U.S. patent application number 14/098980 was filed with the patent office on 2014-04-10 for head mounted display.
This patent application is currently assigned to Apple Inc.. The applicant listed for this patent is Apple Inc.. Invention is credited to M. Evans Hankey, Christopher D. Prest, John G. Tang.
Application Number | 20140098009 14/098980 |
Document ID | / |
Family ID | 49681554 |
Filed Date | 2014-04-10 |
United States Patent
Application |
20140098009 |
Kind Code |
A1 |
Prest; Christopher D. ; et
al. |
April 10, 2014 |
HEAD MOUNTED DISPLAY
Abstract
A goggle system for providing a personal media viewing
experience to a user is provided. The goggle system may include an
outer cover, a mid-frame, optical components for generating the
media display, and a lens on which the generated media displayed is
provided to the user. The goggle system, or head mounted display
may have any suitable appearance. For example, the goggle system
may resemble ski or motorcycle goggles. To enhance the user's
comfort, the goggle system may include breathable components,
including for example breathable foam that rests against the user's
face, and may allow the user to move the display generation
components for alignment with the user's eyes. In some embodiments,
the goggle system may include data processing circuitry operative
to adjust left and right images generated by the optical components
to display 3-D media, or account for a user's eyesight
limitations.
Inventors: |
Prest; Christopher D.;
(Mountain View, CA) ; Tang; John G.; (San Carlos,
CA) ; Hankey; M. Evans; (San Francisco, CA) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Apple Inc. |
Cupertino |
CA |
US |
|
|
Assignee: |
Apple Inc.
Cupertino
CA
|
Family ID: |
49681554 |
Appl. No.: |
14/098980 |
Filed: |
December 6, 2013 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
|
|
12114499 |
May 2, 2008 |
8605008 |
|
|
14098980 |
|
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60927624 |
May 4, 2007 |
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Current U.S.
Class: |
345/8 |
Current CPC
Class: |
G02B 27/0172 20130101;
G02B 2027/0185 20130101; G02B 27/0176 20130101; G09G 3/003
20130101; G02B 2027/0181 20130101 |
Class at
Publication: |
345/8 |
International
Class: |
G02B 27/01 20060101
G02B027/01 |
Claims
1. (canceled)
2. A personal display system, comprising: a frame; display
generation circuitry mounted to the frame; data processing
circuitry coupled to and operative to provide media to the display
generation circuitry; and a display screen coupled to the frame and
operative to display images generated by the display generation
circuitry.
3. The personal display system of claim 2, further comprising an
adjustment assembly operative to displace the display generation
circuitry in at least two axes, with respect to the frame, and
rotate the display generation circuitry around at least one axis,
with respect to the frame.
4. The personal display system of claim 3, wherein the adjustment
assembly displaces the display generation circuitry to align with a
user's eye.
5. The personal display system of claim 4, wherein the adjustment
assembly is powered.
6. The personal display system of claim 5, further comprising a
memory device operative to store adjustment settings of the
adjustment assembly for individual users.
7. The personal display system of claim 6, further comprising an
adjustment control interface operative to store and select the
adjustment settings for individual users.
8. The personal display system of claim 2, further comprising a
removable outer cover coupled to the frame, the removable outer
cover forming at least a portion of an outer surface of the
personal display system.
9. The personal display system of claim 8, wherein the removable
outer cover includes a reflective curved surface approximately
following a shape of a user's eyes and extending approximately from
the user's forehead to the user's nose.
10. A personal display system, comprising: a frame; display
generation circuitry mounted to the frame; data processing
circuitry coupled to and operative to provide media to the display
generation circuitry; a display screen coupled to the frame and
operative to display images generated by the display generation
circuitry; audio generation circuitry mounted to the frame and
configured to extract an audio stream from the data processing
circuitry; a speaker coupled to the frame and operative to produce
sound corresponding to the audio stream; and communications
circuitry for receiving media data from a remote source over a
wireless link.
11. The personal display system of claim 10, further comprising an
adjustment assembly operative to displace the display generation
circuitry in at least two axes, with respect to the frame, and
rotate the display generation circuitry around at least one axis,
with respect to the frame.
12. The personal display system of claim 11, wherein the adjustment
assembly displaces the display generation circuitry to align with a
user's eye.
13. The personal display system of claim 12, wherein the adjustment
assembly is powered.
14. The personal display system of claim 13, further comprising a
memory device operative to store adjustment settings of the
adjustment assembly for individual users.
15. The personal display system of claim 14, further comprising an
adjustment control interface operative to store and select the
adjustment settings for individual users.
16. The personal display system of claim 10, further comprising an
optical module operative to modify the images generated by the
display generation circuitry such that the images appear to be
displayed to an eye of a user at a greater distance than a
separation between the optical module and the eye of the user.
17. A personal display system, comprising: a frame; display
generation circuitry mounted to the frame; data processing
circuitry coupled to and operative to provide media to the display
generation circuitry; and a display screen coupled to the frame and
operative to display images generated by the display generation
circuitry; communications circuitry for receiving media data from a
remote source over a wireless link; and an optical module operative
to modify the images generated by the display generation circuitry
such that the images appear to be displayed to an eye of a user at
a greater distance than a separation between the optical module and
the eye of the user.
18. The personal display system of claim 17, further comprising an
adjustment assembly operative to displace the display generation
circuitry in at least two axes, with respect to the frame, and
rotate the display generation circuitry around at least one axis,
with respect to the frame.
19. The personal display system of claim 18, wherein the adjustment
assembly displaces the display generation circuitry to align with a
user's eye; and wherein the adjustment assembly is powered.
20. The personal display system of claim 19, further comprising: a
memory device operative to store adjustment settings of the
adjustment assembly for individual users; and an adjustment control
interface operative to store and select the adjustment settings for
individual users.
Description
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This applications claims the benefit of prior filed U.S.
Provisional Patent Application No. 60/927,624, filed May 4, 1997,
which is incorporated by reference herein in its entirety.
BACKGROUND OF THE INVENTION
[0002] This invention is directed to a display for video that is
mounted to a user's head.
[0003] Users of electronic devices may view media on different
types of screens. For example, users may view media on a screen
integrated in the electronic device (e.g., view media on the
display screen of a personal electronic device, for example the
iPod.TM. available by Apple Inc. of Cupertino, Calif.). As another
example, users may couple the electronic device to a separate
display and direct the display to provide the media. For example,
users may couple a computer to a screen and display media on the
computer screen. As another example, users may direct a television
to display media streamed or downloaded from an electronic device
(e.g., using an Apple TV.TM. available by Apple Inc. of Cupertino,
Calif. to display content from a user's computer on a
television).
[0004] For users who wish to view media provided by an electronic
device when they are away from their homes and away from their
television and computer screens (e.g., users traveling), integrated
displays may be limiting. Such users may instead desire a personal
display system with which the user may appear to view media on a
large display (e.g., on a home television) while in fact using a
portable display system. Such users may also desire a personal
display that is visible only to the user (e.g., for viewing private
or sensitive content).
[0005] Accordingly, there is a need for a personal display system
with which users can privately view media provided by an electronic
device. In particular, there is a need for a head-mounted display
for allowing users to view media.
SUMMARY OF THE INVENTION
[0006] A system for providing a personal display for viewing media
provided by an electronic device is provided.
[0007] A personal goggle system for presenting a personal display
of media is provided. The goggle system may include an outer cover,
a frame and a display generation component. To enhance the
appearance and aesthetic appeal of the goggle system, the outer
cover and frame may be designed to resemble ski or motorcycle
goggles (e.g., covering only the user's eyes, with a foam layer
against the user's face).
[0008] In some embodiments, the outer layer may include one or more
surfaces covering the frame. The surfaces may be curved or flat,
and may include one or more features for customizing or enhancing
the appearance of the outer cover. For example, the outer layer may
include a curved surface on which a graphic or design may be
painted, fixed (e.g., a sticker), carved, sculpted, molded, or
embedded using any other suitable process. To further customize or
personalize the goggle system, the outer cover may be removable and
replaceable (e.g., for a user to change the appearance of the
goggle system at different times).
[0009] The goggle frame may be constructed from one or several
components. For example, the goggle frame may include at least one
of a mid-frame or spacer, an inner cover, and a mounting frame. The
frame may include one or more features operative to receive the
outer cover (e.g., a surface against which the outer cover is
glued, or a catch mechanism for engaging the outer cover). The
mid-frame may form the structural component to which the remaining
components of the goggle system are coupled. For example, the inner
cover, which may support the mounting frame (which in turn may
support the display generation component) may be coupled to the
mid-frame. The mid-frame and outer cover may be constructed from
any suitable material, including for example from a flexible
material operative to bend or flex to match the shape of a user's
face.
[0010] The goggle system may include any suitable display
generation component. For example, the goggle system may include
two display generation components operative to provide the
displayed images for each eye. In some embodiments, the display
generation components may be moved relative the goggle frame to be
placed opposite the user's eyes (e.g., move or tilt the display
generation components to align them with the user's eyes). The
display generation components may be operative to provide different
images for each eye. For example, the components may offset the
images to give the user the illusion of viewing media in three
dimensions. As another example, the components may provide
different images for each eye based on the eyesight corrections
needed by the user (e.g., change the focus to reflect an eyesight
prescription). In some embodiments, the display generation
components may provide the displayed images on a lens coupled to
the frame (e.g., attached to the inner cover).
[0011] The goggle system may include a foam layer adjacent the
frame that rests against the user's face. The foam may serve to
prevent ambient light from entering the goggle system and affecting
the images displayed on the lens. The foam layer may be formed from
any suitable compressible material, including for example different
types of foam or flock. In some embodiments, the foam may be more
compressible in regions where a user's eyeglasses contact the frame
to enhance the comfort of the goggle system.
BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The above and other features of the present invention, its
nature and various advantages will be more apparent upon
consideration of the following detailed description, taken in
conjunction with the accompanying drawings in which:
[0013] FIG. 1 is an exploded view of a goggle system for providing
a personal display of media in accordance with one embodiment of
the present invention;
[0014] FIG. 2 is a perspective view of the goggle system of FIG. 1
when it is assembled in accordance with one embodiment of the
invention;
[0015] FIG. 3 is a side view of the goggle system of FIG. 2 in
accordance with one embodiment of the invention;
[0016] FIG. 4 is a top view of the goggle system of FIG. 2 in
accordance with one embodiment of the invention;
[0017] FIG. 5 is a rear view of the goggle system of FIG. 2 in
accordance with one embodiment of the invention;
[0018] FIG. 6 is a perspective view of an outer cover used in a
goggle system in accordance with one embodiment of the
invention;
[0019] FIG. 7A is a perspective view of a goggle system on a user's
head in accordance with one embodiment of the invention;
[0020] FIG. 7B is a rear perspective view of a goggle system on a
user's head in accordance with one embodiment of the invention;
[0021] FIG. 7C is a front view of a goggle system on a user's head
in accordance with one embodiment of the invention;
[0022] FIG. 7D is a side view of a goggle system on a user's head
in accordance with one embodiment of the invention;
[0023] FIG. 7E is a top view of a goggle system on a user's head in
accordance with one embodiment of the invention;
[0024] FIG. 7F is a bottom view of a goggle system on a user's head
in accordance with one embodiment of the invention;
[0025] FIG. 8A is a perspective view of a goggle system with a
translucent outer cover on a user's head in accordance with one
embodiment of the invention;
[0026] FIG. 8B is a top view of a goggle system with a translucent
outer cover on a user's head in accordance with one embodiment of
the invention;
[0027] FIG. 8C is a front view of a goggle system without the outer
cover on a user's head in accordance with one embodiment of the
invention;
[0028] FIG. 8D is a side view of a goggle system without the outer
cover on a user's head in accordance with one embodiment of the
invention
[0029] FIG. 8E is a top view of a goggle system without an outer
cover on a user's head in accordance with one embodiment of the
invention;
[0030] FIG. 9 is a perspective view of an assembled goggle system
in accordance with one embodiment of the invention;
[0031] FIG. 10 is a perspective view of foam formed by a first
process in accordance with one embodiment of the invention;
[0032] FIG. 11 is a perspective view of foam formed by a second
process in accordance with one embodiment of the invention;
[0033] FIG. 12 is a perspective view of foam formed by a third
process in accordance with one embodiment of the invention;
[0034] FIG. 13 is a perspective view of foam formed by a fourth
process in accordance with one embodiment of the invention;
[0035] FIG. 14 is a perspective view of a mounting frame assembled
to an inner cover of a goggle system in accordance with one
embodiment of the invention;
[0036] FIG. 15 is a schematic view of a goggle system as the inner
cover flexes in accordance with one embodiment of the
invention;
[0037] FIG. 16 is a perspective view of an illustrative bottom
frame in accordance with one embodiment of the invention;
[0038] FIG. 17 is a perspective view of another bottom frame in
accordance with one embodiment of the invention;
[0039] FIG. 18 is a perspective view of a display adjust mechanism
coupled to a bottom frame in accordance with one embodiment of the
invention;
[0040] FIGS. 19A and 19B are a perspective view and a top view of
another display adjust mechanism coupled to a bottom frame in
accordance with one embodiment of the invention;
[0041] FIGS. 20A-C are side views of an illustrative goggle system
as a display adjust mechanism tilts dovetailed followers in
accordance with one embodiment of the invention;
[0042] FIGS. 21A-C are a top view, side view, and perspective view
of a goggle system used in conjunction with eyeglasses in
accordance with one embodiment of the invention;
[0043] FIG. 22 is a schematic view of an illustrative optical
module that uses a free shaped prism in accordance with one
embodiment of the invention;
[0044] FIG. 23 is a schematic view of an illustrative optical
module that uses an inline reflective optical collimator to provide
images to the user in accordance with one embodiment of the
invention;
[0045] FIGS. 24-26 are schematic views of different approaches for
providing media from an electronic device to the goggle system in
accordance with one embodiment of the invention;
[0046] FIG. 27 is an exploded view of a goggle system in accordance
with another embodiment of the invention;
[0047] FIG. 28A is a top view and FIG. 28B is a perspective view of
another goggle system in accordance with one embodiment of the
invention;
[0048] FIG. 29 is a perspective view of a foam layer placed on a
user's face in accordance with one embodiment of the invention;
[0049] FIG. 30 is a perspective view of the back side of the foam
layer of FIG. 29 in accordance with one embodiment of the
invention;
[0050] FIG. 31 is a cross-sectional view of the foam layer of FIG.
29 in accordance with one embodiment of the invention; and
[0051] FIG. 32 is a top view of a schematic head-mounted display in
accordance with one embodiment of the invention.
DETAILED DESCRIPTION
[0052] FIG. 1 is an exploded view of a goggle system for providing
a personal display of media in accordance with one embodiment of
the present invention. Goggle system 100 may include outer cover
102, mid-frame 110, inner cover 120, inner lens 130, foam 140, and
mounting frame 150.
[0053] Outer cover 102 may be coupled to mid-frame 110 to form the
outer surface of goggle system 100. Outer cover 102 may be formed
from any suitable material including, for example, glass, plastic,
ceramic, metal (e.g., polished aluminum), or any other suitable
material. In some embodiments, outer surface 104 of outer cover 102
may be treated to provide an aesthetically pleasing finish (e.g., a
reflective finish, or added logos or designs) to enhance the
appearance of the goggle system. In some embodiments, outer surface
104 may be personalized. For example, a user may paint outer
surface 104, attach decals or stickers, or modify outer surface 104
in any other suitable manner to personalize outer surface 104.
[0054] Outer cover 102 may be constructed into any suitable shape.
In the example shown in FIG. 1, outer cover 102 is a curved surface
that generally follows the contours of a user's face. As another
example, outer cover 102 may be a planar or substantially planar
surface. In some embodiments, outer cover 102 may be constructed
into a particular shape defined or selected by the user. For
example, outer cover 102 may include a feature (e.g., a recessed or
protruding design formed by machining) embedded on outer cover 102,
or outer cover may extend beyond or not reach the edges of
mid-frame 110 (e.g., outer cover 102 manufactured in the shape of a
logo, or may include wings extending beyond the periphery of
mid-frame 110). In some embodiments, outer cover 102 may be formed
from several pieces that are combined (e.g., and held in place by
mid-frame 110). To enhance customization of goggle system 100,
outer cover 102 may be removable and replaceable with different
outer covers (e.g., as skins for the goggle system).
[0055] In some embodiments, inner surface 106 of outer cover 102
may be darkened. For example, inner surface 106 may be black (e.g.,
painted black, or manufactured from black material). This may
provide a better viewing contrast for a user of goggle system 100,
as images provided by display generation components for display on
lens 130 may contrast with outer cover 102. In addition, a darkened
inner surface 106 may enhance a user's experience by giving the
user the impression of being in a theater or other optimal
environment for viewing media.
[0056] Mid-frame 110 may form the outer support structure for
goggle system 100. Mid-frame 110 may be formed from any suitable
material that has suitable properties for supporting some or all of
the components of goggle system 100. For example, mid-frame 110 may
be formed from a material capable of withstanding impacts or shocks
to protect the components of goggle system 100. As another example,
mid-frame 110 may be formed from a lightweight material that
affords the user comfort. Suitable materials may include, for
example, composite materials, plastics, metals, metal alloys (e.g.,
steel, stainless steel, aluminum, titanium, or magnesium-based
alloys), or any other suitable material. Portions of mid-frame 110
that are visible during use may be treated or finished to provide
an aesthetically pleasing appearance.
[0057] In some embodiments, mid-frame 110 may include groove 112
for receiving outer cover 102 (e.g., formed on the outer portion of
mid-frame 110) or any other suitable attachment feature. Any
suitable approach may be used to couple outer cover 102 to groove
112, including for example press-fitting, an adhesive, a gasket,
tape, a mechanical fastener, combinations of these, or any other
suitable approach. In some embodiments, groove 112 and outer cover
102 may include interlocking elements (e.g., grooves and ridges,
fingers and holes, or a snap fit) operative to engage and maintain
outer cover 102 in mid-frame 110.
[0058] Mid-frame 110 may include any suitable features for
optimizing a user's comfort and the performance of components of
goggle system 100. For example, mid-frame 110 may include
perforations 114 designed to allow humidity to escape from within
goggle system 100, and to maintain a constant temperature inside
and outside goggle system 100 (e.g., to prevent fogging or failure
of electronic components of the goggle system). Perforations 114
may be circular, oval, rectangular, or any other suitable shape,
and may be distributed using any suitable pattern or approach on
mid-frame 110 (e.g., the size and location of perforations 114 may
be selected to optimize user comfort and goggle system
performance).
[0059] In some embodiments, mid-frame 110 may include slots 116 for
receiving a strap for securing goggle system 100 to the user's
face. The strap may include any suitable strap or apparatus for
securing goggle system 100 to the user's face including, for
example, an elastic strap, a fabric or cloth strap (e.g., with a
buckle or tightening mechanism), several straps, or any other
suitable mechanism for securing the goggle system. Slots for
receiving the strap may be seen more clearly in FIG. 5, for example
(see, e.g., slots 222). Slots 116 may be formed in any suitable
shape and located on any suitable portion of mid-frame 110.
[0060] Mid-frame 110 may include channel 118 for receiving inner
cover 120 or any other suitable attachment feature (e.g., formed on
the inner portion of mid-frame 110). Any suitable approach may be
used to couple inner cover 120 to channel 118, including for
example press-fitting, an adhesive, a gasket, tape, a mechanical
fastener, combinations of these, or any other suitable approach. In
some embodiments, groove 112 and outer cover 102 may include
interlocking elements (e.g., grooves and ridges, fingers and holes,
or a snap fit) operative to engage and maintain outer cover 102 in
mid-frame 110.
[0061] Inner cover 120 may form the support structure for the
display generation components of goggle system 100. Combined with
mid-frame 110, inner cover 120 and mid-frame 110 may provide
structural integrity to goggle system 100. Inner cover 120 may be
manufactured from any suitable material, including for example,
plastic, composite materials, metal or metallic alloys (e.g.,
aluminum), combinations thereof, or any other suitable material.
The material used for inner cover 120 may be selected for any
particular quality or attribute. For example, the material used may
be selected for its weight, strength or rigidity, flexibility or
suppleness, combinations of these, or any other suitable
attribute.
[0062] Inner cover 120 may include curved surface 122 along all or
at least part of the outer edge of inner cover 120. Curved surface
122 may be operative to conform to the shape of a user's face, for
example along a user's forehead, cheeks, and nose. In some
embodiments, curved surface 122 may be configured to closely follow
a user's face to reduce or eliminate ambient light entering between
inner cover 120 and the user's face (and affecting the media
displayed on lens 130).
[0063] Inner cover 120 may include protrusion 124 extending from
curved surface 122 operative to support the display generation
components of goggle system 100. Protrusion 124 may include
mounting plate 126 and side walls 128. Mounting plate 126 may be
operative to receive mounting frame 150, which may support some or
all of the display generation components of goggle system 100. Side
walls 128 may be constructed such that the distance between the
user's eyes and mounting plate 126 is optimized for the user's
viewing experience (e.g., side walls 128 have a length such that
the distance between a user's eyes and the display generation
components and the size or resolution of the displayed image is
equivalent to watching media in a movie theater, for example 5
meters from a large screen).
[0064] Inner cover 120 may include aperture 129 aligned with the
display generation components of goggle system 100. In some
embodiments, inner cover 120 may include a single aperture 129
through which displays provided by several display generation
components may be projected (e.g., the displays of two display
generation components, one for each eye). In some embodiments,
inner cover 120 may include several apertures, for example one for
each eye or one for each of several display generation components.
If the position of the display generation components is adjustable,
aperture 129 may be enlarged to allow images generated by the
display generation components to project through inner cover 120
for each display generation component position. In some
embodiments, inner cover 120 may include a transparent or
translucent pane within aperture 129 through which displays
generated by the display generations components may pass. The panes
may serve, for example, to protect the display generation circuitry
from impacts, scratches, or other damage originating from the inner
surface of inner cover 120.
[0065] Images provided by the display generation components of
goggle system 100 may be displayed for the user on lens 130. Lens
130 may be positioned in inner cover 120 such that lens 130 covers
or substantially covers aperture 129, and is opposite the display
generation components of goggle system 100 (e.g., for images
generated by the display generation components to appear on lens
130). Lens 130 may be coupled to the inner surface of inner cover
120 using any suitable approach. In some embodiments, lens 130 may
be detachedly coupled to inner cover 120, for example using an
adhesive, tape, hook and fastener material (e.g., Velcro.TM.), a
mechanical fastener (e.g., a screw or bolt), a rubber gasket, or
any other suitable detachable mechanism. Such an approach may allow
a user to remove lens 130 for cleaning, repairing or replacing
components of goggle system 100 (e.g., the display generation
components). In some embodiments, lens 130 may instead be
permanently coupled to inner surface 120, for example using an
adhesive, a fastener, an engagement system (e.g., a knob that
mushrooms), or any other suitable mechanism or combination of
mechanisms.
[0066] Lens 130 may be manufactured from any suitable material. In
some embodiments, the material for lens 130 may be selected for
optical properties to optimize the display of images or media
generated by the display generation components of goggle system
100. Such materials may include, for example, glass, plastic, a
composite material, paper, or any other suitable material. The
material may be selected based on any other suitable attribute,
including for example ease of cleaning, resistance to scratches or
other damage affecting the optical properties of the lens, impact
resistance or tight sealing to protect the display generation
components from damage, or any other attribute or combination of
attributes. In some embodiments, lens 130 may instead or in
addition be embedded in one or more of the display generation
components (e.g., near aperture 129).
[0067] FIG. 2 is a perspective view of the goggle system of FIG. 1
when it is assembled in accordance with one embodiment of the
invention. Goggle system 200 may include outer cover 204, mid-frame
210, inner cover 220, mounting frame 250 and foam 240, which may
include some or all of the features of related elements of goggle
system 100 (FIG. 1). Outer cover 204 may be coupled to mid-frame
210 to form the exterior face of goggle system 200. Inner cover 220
may be coupled to mid-frame 220 to form the structural backbone of
goggle system 200. Mounting frame 250 may be coupled to inner cover
220 to support the display generation components, electronic
components, power supply, or other components of goggle system 200.
Foam 240 may be coupled to the inner surface of inner cover 220 to
provide a comfortable fit for the user of goggle system 200. Lens
230 (FIG. 5) may be coupled to the inner surface of inner cover 220
to display images provided by the display generation components of
goggle system 200.
[0068] FIG. 3 is a side view of goggle system 200 in accordance
with one embodiment of the invention. FIG. 4 is a top view of
goggle system 200 in accordance with one embodiment of the
invention. FIG. 5 is a rear view of goggle system 200 in accordance
with one embodiment of the invention. Goggle system 200 may have
any suitable dimension. For example, the height 211 (FIG. 3) of
goggle system 200 may be in the range of 65 to 110 mm (e.g., 102
mm) or within any other suitable range (e.g., 80 to 100 mm). As
another example, the length 212 of goggle system 200 may be in the
range of 60 to 110 mm (e.g., 80 mm) or within any other suitable
range (e.g., 70 to 100 mm). As still another example, the width 213
of goggle system 200 may be in the range of 130 to 210 mm (e.g.,
188 mm) or within any other suitable range (e.g., 150 to 180
mm).
[0069] FIG. 6 is a perspective view of an outer cover used in a
goggle system in accordance with one embodiment of the invention.
Outer cover 604 may include a curved material operative to
generally follow the contours of the user's face. The shape of
outer cover may be defined or characterized by any suitable
characteristic length, angle, curvature or other dimension. For
example, outer cover 604 may be characterized by vertical
dimensions 610 and horizontal dimension 612. Vertical dimensions
610 and horizontal dimension 612 may be located opposite the
position of a particular element of the goggle system (e.g.,
opposite the display generation components), or at any other
suitable location on outer cover 604. In some embodiments, the
curvature of outer cover 604 may be designed to allow for clearance
of components of goggle system 200 located between outer cover 204
and inner cover 220 (e.g., the movable display generation
components).
[0070] Once assembled, goggle system 200 may have any suitable
appearance. For example, goggle system 200 may resemble ski,
snowboard or motorcycle goggles (e.g., include a rounded outer
surface following the contour of the user's face). The height
(e.g., height 211) and width (e.g., width 213) of goggle system 200
may be selected to approximate the size of ski goggles and reduce
the amount of the user's face that is covered by goggle system 200.
As another example, goggle system 200 may be incorporated in a hat
or helmet, or may include straps or another attaching mechanism
operative to be placed over the user's head to secure the goggle
system while in use.
[0071] FIGS. 7A-7F and 8A-8E show a series of schematic views of a
goggle system on a user's head in accordance with one embodiment of
the invention. In these views, the goggle system displayed
resembles ski or motorcycle goggles. FIG. 7A is a perspective view
of a goggle system on a user's head in accordance with one
embodiment of the invention. FIG. 7B is a rear perspective view of
a goggle system on a user's head in accordance with one embodiment
of the invention. FIG. 7C is a front view of a goggle system on a
user's head in accordance with one embodiment of the invention.
FIG. 7D is a side view of a goggle system on a user's head in
accordance with one embodiment of the invention. FIG. 7E is a top
view of a goggle system on a user's head in accordance with one
embodiment of the invention. FIG. 7F is a bottom view of a goggle
system on a user's head in accordance with one embodiment of the
invention. Goggle system 700 is placed on user's head 702.
[0072] FIG. 8A is a perspective view of a goggle system with a
translucent outer cover on a user's head in accordance with one
embodiment of the invention. FIG. 8B is a top view of a goggle
system with a translucent outer cover on a user's head in
accordance with one embodiment of the invention. FIG. 8C is a front
view of a goggle system without the outer cover on a user's head in
accordance with one embodiment of the invention. FIG. 8D is a side
view of a goggle system without the outer cover on a user's head in
accordance with one embodiment of the invention. FIG. 8E is a top
view of a goggle system without an outer cover on a user's head in
accordance with one embodiment of the invention. Goggle system 800
is placed on the head of user 802.
[0073] FIG. 9 is a perspective view of an assembled goggle system
in accordance with one embodiment of the invention. Illustrative
goggle system 900 may include mid-frame 910, inner cover 920, foam
940, and lens 930. Inner surface 932 of lens 930 may include left
image portion 934 and right image portion 936. Left and right image
portions 934 and 936 may be transparent or translucent portions of
lens 930 that are aligned with the display generation components of
goggle system 900 (not shown, located behind inner cover 920). In
contrast, the remaining portion of lens 930 may be opaque or
non-reflective for differentiating from left and right image
portions 934 and 936. The size of left and right image portions 934
and 936 may be selected to allow for full-screen, wide-screen, or
panoramic displays of media. As discussed in more detail below, the
display generation components of the goggle system may provide the
same or different images for each of the left and right image
portions 934 and 936, for example to provide optical effects to the
media displayed to the user (e.g., 3D effects, or to account for
deficiencies in a user's vision).
[0074] Returning to FIG. 1, foam 140 may be attached to inner cover
120. In particular, foam 140 may be attached to curved surface 122
to provide a closer fit to a user's face. In some embodiments, foam
140 may be used to prevent ambient light from entering goggle
system 100 between the user's face and lens 130. Foam 140 may also
serve to increase a user's comfort with goggle system 100. Foam 140
may be formed using a number of different approaches, or
combinations of different approaches.
[0075] FIG. 10 is a perspective view of foam formed by a first
process in accordance with one embodiment of the invention.
Illustrative foam 1000 may be formed from flock laminated to foam.
Different foams, for example foams having different densities, may
be die-cut then pressed after lamination to form foam 1000. Foam
1000 may have different densities and different thicknesses at
different portions of the foam. In some embodiments, foam 1000 may
be gray with black flock.
[0076] FIG. 11 is a perspective view of foam formed by a second
process in accordance with one embodiment of the invention.
Illustrative foam 1100 may be formed from flock laminated to foam.
Different foams, for example foams having different densities, may
be pressed together, and then cut after lamination to form foam
1100. In some embodiments, the flock of foam 1100 may be black.
[0077] FIG. 12 is a perspective view of foam formed by a third
process in accordance with one embodiment of the invention.
Illustrative foam 1200 may be formed from a polyurethane paint
applied to a mold to provide a skin for foam 1200. Once the mold
has been painted, foam may be applied in the painted mold. The
resulting foam and polyurethane skin may form foam 1200. The amount
of foam applied to the painted mold may be varied to vary the
thickness of foam 1200. In some embodiments, different types of
foam may be applied to vary the density of foam 1200.
[0078] FIG. 13 is a perspective view of foam formed by a fourth
process in accordance with one embodiment of the invention.
Illustrative foam 1300 may be formed by first creating a skin, for
example by vacuum forming. The skin may be in any suitable material
that may be used in vacuum forming. Once the skin has been created,
foam may be applied to the skin to form foam 1300. The amount of
foam applied to the vacuum formed skin may be varied to vary the
thickness of foam 1300. In some embodiments, different types of
foam may be applied to vary the density of foam 1300.
[0079] Returning to FIG. 1, goggle system 100 may include mounting
frame 150 operative to support electronic components of the goggle
system, including for example the display generation components
goggle system 100. Mounting frame 150 may be coupled to inner cover
120, for example to mounting plate 126. Mounting frame 150 may
include a rigid frame operative to support at least the display
generation components of goggle system 100 so that the display
generation components may be held opposite the user's eyes.
Mounting frame 150 may be constructed from any suitable material,
including for example from plastic, a composite material, a metal
or metallic alloy (e.g., aluminum), combinations thereof, or any
other suitable material.
[0080] In some embodiments, mounting frame 150 may be configured to
remain substantially immobile relative to a user's eyes when inner
cover 120 and foam 140 are moved (e.g., when goggle system 100 is
adjusted to fit the contours of a user's face). Mounting frame 150
may be coupled to inner cover 120 using any suitable approach,
including approaches that allow mounting frame 150 to remain
substantially immobile relative lens 130. For example, mounting
frame 150 may be coupled to inner cover 120 using an adhesive,
tape, a fastener (e.g., a screw or a bold and nut), an interlocking
mechanism (e.g., a snap-fit), or any other suitable approach. In
some embodiments, mounting frame 150 may include apertures 151 that
are configured to be aligned with apertures 121 of inner cover 120
to receive a fastener for coupling mounting frame 150 to inner
cover 120. Apertures 121 and 151 may be located adjacent the
position of the display generation components such that inner cover
120 may bend without affecting the display of media on the
lens.
[0081] FIG. 14 is a perspective view of a mounting frame assembled
to an inner cover of a goggle system in accordance with one
embodiment of the invention. Mounting frame 1450 may be operative
to support display generation components 1430 by means of support
structure 1432 (described in more detail below). Mounting frame
1450 may be coupled to inner cover 1420 using any suitable
approach, including for example using a single or several
connection points 1422. In the example of FIG. 14, mounting frame
1450 may include aperture 1452 operative to be aligned with a
feature of inner cover 1420 (e.g., an aperture or a connector
embedded in inner cover 1420). Connector 1421, which may be
integrated within inner cover 1420, may be operative to pass
through aperture 1452 to couple mounting frame 1450 to inner cover
1420. In some embodiments, other coupling mechanisms may be used
instead of or in addition to connector 1421, including for example
several connectors, adhesives, heat treatment, hook and fastener
material, or any other suitable coupling mechanism.
[0082] Aperture 1452, and the corresponding feature of inner cover
1420, may be located at any suitable position relative to the edges
of mounting frame 1450 and inner cover 1420. For example, aperture
1452 and the feature of inner cover 1420 may be located adjacent
the centerline of goggle system 1400. To prevent mounting frame
1450 from rotating or twisting relative inner cover 1420, aperture
1452 may be constructed using an asymmetrical shape (e.g., an oval
or a polygon), or mounting frame 1450, inner cover 1420, or both
may include a second feature (e.g., a pin in mounting frame 1450
extending into an aperture in inner cover 1420) to prevent the
rotation of mounting frame around connector 1452. In some
embodiments, to further reduce movement of mounting frame 1450,
mounting wings 1454 of mounting frame 1450 may be secured to inner
cover 1420 (e.g., using an adhesive).
[0083] In some embodiments, mounting frame 1450 may be coupled to
inner cover 1420 such that inner cover may bend relative mounting
frame 1450 to enhance the fit of goggle system 1400 around the
user's face. FIG. 15 is a schematic view of a goggle system as the
inner cover flexes in accordance with one embodiment of the
invention. Goggle system 1500 may include inner cover 1520, to
which a mounting frame may be coupled using connectors 1521. Inner
cover may flex from initial position 1530 (indicated in wire frame)
to final position 1532. The amount of movement of each portion of
inner cover 1520 is indicated by the shade used to draw final
position 1532. In particular, curved surface 1534, near the outer
edge of inner cover 1520 may have moved a large amount, while
connectors 1521, and by extension the mounting plate, may have
moved very little, perhaps imperceptibly.
[0084] Returning to FIG. 1, mounting frame 150 may support the
display generation components 160 of goggle system 100 using any
suitable approach. For example, bottom frame 152, dovetailed
followers 154 and display adjust mechanism 156 may be coupled to
mounting frame 150 and operative to support display generation
components 160 of goggle system 100. FIG. 16 is a perspective view
of an illustrative bottom frame in accordance with one embodiment
of the invention. Bottom frame 1600 may include frame 1601 that
includes slots 1602 for receiving dovetailed followers 1610.
Dovetailed followers 1610 may be coupled to tube 1620 via apertures
1612. Tube 1620 may include screws 1622, and apertures 1612 may
include corresponding grooves (not shown) such that when tube 1620
rotates, screws 1622 engage or disengage grooves in apertures 1612,
thus causing dovetailed followers 1610 to translate laterally along
the axis of tube 1620. This movement may allow a user to move the
display generation components (e.g., display generation components
160, FIG. 1), which may be coupled to dovetailed followers 1610, to
align the display generation components with the user's eyes. In
some embodiments, tube 1620 may include two decoupled portions such
that a user can rotate only half of tube 1620 at a time, thus
moving only one of the dovetailed followers 1610 at a time.
[0085] Bottom frame 1600 may include gear 1624 coupled to tube
1620, such that gear 1624 rotates when tube 1620 rotates. If tube
1620 is decoupled into several portions, bottom frame 1600 may
include several gears 1624, one for each portion. Bottom frame 1600
may be coupled to any suitable element or assembly operative to
control the rotation of tube 1620. For example, bottom frame 1600
may be coupled to a display adjust mechanism that includes a second
gear operative to engage gear 1624 for controlling the position of
dovetailed followers 1610.
[0086] Bottom frame 1600 may include pads 1630 for coupling bottom
frame 1600 to a mounting frame of the goggle system (e.g., mounting
frame 150, FIG. 1). For example, protrusions 153 of mounting frame
150 (FIG. 1) may be configured to engage pads 1630 using any
suitable approach. For example, protrusions 153 may be coupled to
pads 1630 using a press fit, an adhesive, an interlocking
mechanism, a snap-fit mechanism, a fastener, a combination thereof,
or any other suitable mechanism or combination of mechanisms.
Alternatively, or in addition, bottom frame 1600 may include
openings 1632 operative to receive fasteners or features of the
mounting frame for coupling bottom frame 1600 to the mounting frame
(e.g., mounting frame 150, FIG. 1).
[0087] FIG. 17 is a perspective view of another bottom frame in
accordance with one embodiment of the invention. Illustrative
bottom frame 1700 may be substantially similar to bottom frame
1600, and may include frame 1701, slots 1702, dovetailed followers
1710, apertures 1712, tube 1720, screws 1722, and gear 1724. In
addition, bottom frame 1700 may include wheel 1730. Wheel 1730 may
be coupled to tube 1720 such that when a user rotates wheel 1730,
tube 1720 rotates as well, causing dovetailed followers 1710 to
move laterally.
[0088] In some embodiments, wheel 1730 may extend from top surface
1732 or bottom surface 1734 of bottom frame 1700 such that a user
may directly access wheel 1730 to move dovetailed followers 1710.
For example, wheel 1730 may be configured to extend out of
mid-frame 710 (e.g., through opening 420, FIG. 4).
[0089] In some embodiments, a display adjust mechanism may be
coupled to the bottom frame (e.g., bottom frame 1600 or bottom
frame 1700) to control the movement of the dovetailed followers
(e.g., which support the display generation components). FIG. 18 is
a perspective view of a display adjust mechanism coupled to a
bottom frame in accordance with one embodiment of the invention.
Display adjust mechanism 1810 may be coupled to bottom frame 1830
using fasteners 1802 (e.g., engaging pads 1630, FIG. 16). In some
embodiments, one or more other attachment mechanisms may be used
instead or in addition to couple display adjust mechanism 1810 to
bottom frame 1830.
[0090] Display adjust mechanism 1810 may include wheel 1812 for
allowing a user to control dovetailed followers 1834 inserted in
bottom frame 1830. Wheel 1812 may be coupled to first gear 1814,
which may be placed adjacent to second gear 1816, which may in turn
be placed adjacent to third gear 1818. Third gear 1818 may then
engage worm gear 1820, which may engage gear 1832 of bottom frame
1830, such that when the user rotates wheel 1812, gear 1832 rotates
and causes dovetailed followers 1834 to move laterally. Support
structure 1811 may include several apertures or other structural
features operative to support the axes on which gears 1814, 1816,
1818, and 1820 are placed.
[0091] To align the display generation components of the goggle
system with the user's eyes, the user may rotate wheel 1812 to
cause dovetailed followers 1834, and the display generation
components coupled to dovetailed followers 1834 (e.g., coupled to
the bottom surface of dovetailed followers 1834), to translate
until the display generation components are in a satisfactory
position. In some embodiments, wheel 1812 may be configured to
rotate 1.8 times to cause dovetailed followers 1834, and thus the
display generation components, to move from 55 mm separation to 81
mm separation. Alternatively, the size, number of gears, and pitch
of the screws may be modified to change the relation between the
rotation of wheel 1812 and the movement of dovetailed followers
1834.
[0092] To provide easy access to wheel 1812, the mid-frame may
include an aperture (e.g., aperture 420, FIG. 4) through which at
least a portion of wheel 1812 may extend. The aperture and the
wheel may be designed to minimize the free space surrounding the
wheel to limit foreign particles from entering the goggle system
and affecting the display generation components. For example, the
aperture may include a silicone or rubber ring, or brush elements
operative to contact wheel 1812 to further eliminate space between
wheel 1812 and the aperture in the goggle system through which
debris may enter. Alternatively, or in addition, the goggle system
may include a cover or covering element operative to be placed over
the aperture and wheel 1812 when the wheel is not in use to prevent
particles from entering the goggle system.
[0093] In some embodiments, display adjust mechanism 1810 may be
coupled to an actuator or motor for automatically displacing
dovetailed followers 1834. The actuator or motor may be controlled
by control circuitry embedded in the goggle system, or by control
circuitry remote from the goggle system (e.g., connected to the
goggle system wirelessly or by a wire). In some embodiments, the
user may actuate the motor using a suitable user interface (e.g.,
embedded on or coupled to the goggle system, or using an electronic
device coupled to the goggle system). In some embodiments, the
goggle system may automatically control the actuator or motor by
determining where a user's eyes are (e.g., using suitable sensing
circuitry, such as light sensing circuitry) and may move dovetailed
followers 1834 such that the display generation components are
automatically aligned with the user's eyes.
[0094] FIGS. 19A and 19B are a perspective view and a top view of
another display adjust mechanism coupled to a bottom frame in
accordance with one embodiment of the invention. Display adjust
mechanism 1910 may be coupled to bottom frame 1930 having
dovetailed followers 1934 with display generation components 1960.
As opposed to display adjust mechanism 1810 of FIG. 18 which is
shown to be coupled on top of frame 1830 above dovetailed followers
1834, display adjust mechanism 1910 may be coupled to the front of
frame 1930 between dovetailed followers 1934, as shown in FIG. 19A
for example. This may allow the height of the goggle system to be
reduced.
[0095] In some embodiments, display adjust mechanism 1910 may be
operative to move dovetailed followers 1934 in directions other
than laterally in the direction of arrows L. For example, display
adjust mechanism 1910 may be operative to move dovetailed followers
1934 up and down in the direction of arrows H, to tilt dovetailed
followers 1934 up and down in the direction of arrows Tu and Td, or
both. FIGS. 20A-C are side views of an illustrative goggle system
as a display adjust mechanism tilts dovetailed followers in
accordance with one embodiment of the invention. As display adjust
mechanism 2010 tilts dovetailed followers 2034 down in the
direction of arrow Td, the distance between the display generation
components and the user's nose may decrease. To prevent the user's
nose from interfering with the movement of the display generation
circuitry, a compressible foam element may be provided to compress
when dovetailed followers 2034 and the display generation
components coupled thereto are tilted down in the direction of
arrow Td.
[0096] In some embodiments, display adjust mechanisms 1910, 2010 or
both may be coupled to an actuator or motor for electrically
displacing dovetailed followers 1934 and 2034, respectively. The
actuator or motor may be controlled by signals provided by control
circuitry of the goggle system or control circuitry remote from the
goggle system (e.g., connected to the goggle system wirelessly or
by a wire). In some embodiments, the user may actuate the motor
using a suitable user interface (e.g., embedded on or coupled to
the goggle system, or using an electronic device coupled to the
goggle system). In some embodiments, the goggle system may
automatically control the actuator or motor by determining where a
user's eyes are (e.g., using suitable sensing circuitry, such as
light sensing circuitry) and may move dovetailed followers 1834 in
any of the directions H, L, and T such that the display generation
components are automatically aligned with the user's eyes.
[0097] Returning again to FIG. 1, circuit board 161 and optical
module 162 may be coupled to form each display generation component
160 of goggle system 100. Each circuit board 161 may be operative
to at least partially direct the operations of optical module 162.
For example, each circuit board 161 may be operative to receive
media for display from a media source, and provide the appropriate
media signals to each optical module 162. In some embodiments, a
circuit board 161 may include power circuitry operative to direct
or provide power to optical module 662, receive and process user
inputs (e.g., user inputs received from cable 164 or from a user
interface integrated in goggle system 100), and provide images and
video to optical module 162. In some embodiments, each circuit
board 161 may include or may be coupled to one or more batteries,
for example a rechargeable battery, for conditioning the received
power and providing the conditioned power to optical modules
162.
[0098] Optical modules 162 may be coupled to dovetailed followers
154 using any suitable mechanism. For example, optical modules 162
may be coupled to dovetailed followers 154 using a fastener (e.g.,
a bolt), an adhesive, tape, a mating feature, or any other suitable
approach. In some embodiments, optical modules 162 may be removably
coupled to dovetailed followers 154 to allow for easier replacement
or repair. Optical modules 162 may include any suitable modules for
receiving a media signal (e.g., an image or a video signal) and
generating a display corresponding to the media on lens 130.
[0099] In some embodiments, optical modules 162 may be operative to
adjust or modify the displayed media based on any suitable criteria
(e.g., as standalone modules or using circuit board 161). For
example, optical modules 162 may be operative to resize or
otherwise modify an image such that the image appears to be
displayed at a greater distance than the distance between optical
modules 162 and the user's eyes (e.g., the image appears to be
viewed from 4 meters and not 20 mm). As another example, optical
modules 162 may be operative to generate media displays that
correspond to standard definition or high definition images.
[0100] In some embodiments, left and right optical modules 162 may
generate and display different images associated with the received
media. For example, optical modules 162 (e.g., upon receiving
appropriate instructions from circuit board 161), may offset left
and right images so that the user is given the illusion of viewing
media in three dimensions. The optical modules 162 may identify the
appropriate left and right images using any suitable approach,
including for example receiving separate left and right images from
the media source, or generating left and right images from the
single media provided by the media source.
[0101] As another example, left and right optical modules 162 may
adjust the images displayed to account for limitations or
corrections (e.g., by glasses or contact lens) of the user's
eyesight. For example, if a user is myopic in one eye, the optical
module 162 associated with that eye may modify the image displayed
to correct the user's myopia. The goggle system may determine the
correction required for each eye, if any, using any suitable
approach. For example, the user may enter a glasses or contact lens
prescription that indicates the required correction. As another
example, each optical module 162 may automatically analyze the
user's eyes, and determine the adjustment needed based on the
analysis. This may allow users who normally wear glasses to use
goggle system 100 without their glasses, which may lead to
discomfort.
[0102] The goggle system may be operative to store a user's display
generation component settings in memory. For example, the goggle
system may store eyesight correction values (if any), the position
of the display generation components (e.g., along 3 axes), a
preferred volume level, or any other preference related to the
user's interaction with the system. When the user puts on the
goggle system, the system may identify the user and retrieve from
memory the goggle system settings associated with the user. The
goggle system may identify the user in response to a user input
(e.g., the user logs in, or selects a particular profile from a
menu), or the goggle system may automatically identify the user
(e.g., using a retina or fingerprint scan, or voiceprint
analysis).
[0103] FIGS. 21A-C are a top view, side view, and perspective view
of a goggle system used in conjunction with eyeglasses in
accordance with one embodiment of the invention. Illustrative
goggle system 2100 may include inner lens 2105 and foam 2110. To
ensure that the experience of a user with eyeglasses remains
enjoyable, inner lens 2105, foam 2110, and other components of
goggle system 2100 may be selected such that when in use, the
eyeglasses 2130 approach, but do not contact, inner lens 2105.
Distance 2106 between eyeglasses 2130 and inner lens 2105 may be
selected to limit the interference between eyeglass lens 2130 and
inner lens 2105. For example, distance 2106 may be in the range of
0.25 to 5.0 mm (e.g., 1.7 mm). Inner lens 2105 may also be
positioned such that distance 2107 between inner lens 2105 and eye
2132 reduces the stress on the user's eyes as the user watches
media on lens 2105. For example, distance 2107 may be in the range
of 10 to 40 mm (e.g., 20 mm).
[0104] In some embodiments, length 2108 of lens 2105 may be
selected such that length 2108 is larger than the length of a
user's eyeglasses. For example, length 2108 may be in the range of
120 to 160 mm (e.g., 140 mm). Eyeglass temples 2132 may come into
contact with one or more portions of foam 2110 to ensure that no
ambient light affects the media displayed on inner lens 2105. Foam
2110 may be wrapped around eyeglass temples 2132 such that foam
2110 substantially contacts the user's face in the vicinity of
eyeglass temple 2132. Using the approach described above, however,
whereby each optical module 162 provides different images based on
the user's vision, any limitations or discomfort caused by wearing
glasses may be eliminated.
[0105] Optical modules 162 may be constructed in any suitable
shape. In some embodiments, optical modules 162 may include a free
shaped prism. FIG. 22 is a schematic view of an illustrative
optical module that uses a free shaped prism in accordance with one
embodiment of the invention. Optical module 2200 may include image
source 2202, which may provide several light waves 2204 that form
an image. Light waves 2204 may enter first face 2212 of free shaped
prism 2210, where light waves 2204 may be refracted. Light waves
2204 may then impact second face 2214 of free shaped prism 2210,
and subsequently be reflected to third face 2216 of free shaped
prism 2210. Light waves 2204 may finally pass through second face
2214 and reach the user's eye 2220.
[0106] The shapes of first, second, and third faces 2212, 2214, and
2216 of prism 2210 may be complex shapes operative to reflect light
received from images source 2202 in specific manners. In
particular, the shapes may be designed such that every light wave
2204 emitted by source 2202 spends the exact same amount of time
refracting and reflecting within prism 2210 such that all of the
light waves 2204 that were emitted at a single point in time reach
the user's eye at the same time. In some cases, the creation of
faces 2212, 2214 and 2216 may require significant engineering
efforts to design and manufacture.
[0107] FIG. 23 is a schematic view of an illustrative optical
module that uses an inline reflective optical collimator to provide
images to the user in accordance with one embodiment of the
invention. Optical module 2300 may include inline reflective
optical collimator 2301, and image source 2302 may be incorporated
within collimator 2301. When light waves 2304 of an image are
emitted by image source 2302, the light waves may be reflected by
reflective surface 2310, and in turn be reflected again by opposing
reflective surface 2312.
[0108] Reflective surfaces 2310 and 2312 may be designed such that
light waves 2304 may reflect between surfaces 2310 and 2312 until
the image represented by the light waves has been sufficiently
modified (e.g., modified to appear that it is displayed from a
suitable distance, for example 4 meters). Light waves 2304 may then
escape collimator 2301 and reach the user's eye 2320.
[0109] Goggle system 100 may provide for audio in any suitable
manner. In some embodiments, the user may receive audio from the
electronic device from which media is provided to goggle system 100
(e.g., an iPod.TM. available by Apple Inc. of Cupertino, Calif.,
that is coupled to goggle system 100). Audio may then be received
using headphones or speakers connected to the electronic device. In
some embodiments, goggle system 100 may include an audio connector
(e.g., a jack) or an integrated speaker or headset for providing
audio directly from goggle system 100. In such embodiments, circuit
board 161 or other components of goggle system 100 may be operative
to extract audio streams from the media received by goggle system
100 (e.g., from an electronic device) and provide the audio stream
to the audio connector, speakers or headset. In some embodiments,
the speaker or headset may be integrated in a strap or other
mechanism that holds goggle system 100 around a user's head (e.g.,
headphone speakers located in the strap at the user's ear
level).
[0110] To improve the user's experience, goggle system 100 may
include any suitable noise cancellation or noise reduction
mechanism. For example, the goggle system may be provided with
noise-proof earphones. As another example, the goggle system may
identify outside and ambient noises (e.g., using a microphone
embedded in the goggle system) and cancel the identified ambient
noises when providing audio to the user.
[0111] In some embodiments, the components of the goggle system may
be selected and manufactured to minimize weight. For example, the
outer cover may be constructed to weigh no more than 33 grams, the
mid-frame no more than 17 grams, the inner cover no more than 30
grams, the foam no more than 20 grams, the inner lens no more than
4 grams, the optical modules no more than 13 grams each, the
dovetailed followers no more than 14 grams, the bottom frame no
more than 19 grams, the mounting frame no more than 12 grams, and
the display adjust mechanism no more than 18 grams. In some
embodiments, the dovetailed followers, bottom frame, mounting
frame, and display adjust mechanism may be manufactured in mass
such that their combined weight is no more than 30 grams.
[0112] Goggle system 100 may be configured to receive media for
display in the lens in any suitable manner. FIGS. 24-26 are
schematic views of different approaches for providing media from an
electronic device to the goggle system in accordance with one
embodiment of the invention. Entertainment system 2400, displayed
in FIG. 24, may include goggle system 2401, electronic device 2420,
and cable 2402 coupling electronic device 2420 to goggle system
2401. Electronic device 2420 may be any suitable electronic device
for providing media to goggle system 2401, such as, for example, a
computer, a cellular telephone, a mobile communications device, a
personal media device, a gaming device, a set-top box, a television
system, or any other suitable electronic device.
[0113] Using cable 2402, media signals, control signals, power, or
any other suitable type of signal may be transferred between
electronic device 2420 and goggle system 2401. In some embodiments,
goggle system 2401 may include a user interface allowing the user
to control one or more features of electronic device 2401 through
cable 2402.
[0114] Entertainment system 2400 may include connector box 2410.
Connector box 2410 may include one or more connector portions for
connecting to goggle system 2401 and electronic device 2420. In
some embodiments, box 2410 may be permanently coupled to one of
goggle system 2401 and electronic device 2420. Box 2410 may include
a power connector, a video connector, and an audio connector, or
any other suitable input/output interface. For example, box 2410
may include a connector for a 30-pin cable coupled to electronic
device 2420 (e.g., a connector for media incoming from the
electronic device).
[0115] In some embodiments, box 2410 may provide power to goggle
system 2401. For example, box 2410 may power the circuit boards and
optical modules of goggle system 2401. As another example, box 2410
may recharge a battery in goggle system 2401 that powers the
components of goggle system 2401. In some embodiments, box 2410 may
be configured to provide a conversion of video or audio signals
from electronic device 2420 to goggle system 2401. For example, box
2410 may be configured to perform an analog to digital conversion
for the media provided by electronic device 2420, or box 2410 may
extract left and right images from received media.
[0116] In some embodiments, box 2410 may include memory, for
example for storing or caching media to display in goggle system
2401. If box 2410 is coupled to goggle system 2401 only, box 2410
may store media available to goggle system 2401 in the absence of
an electronic device. For example, box 2410 may incorporate some or
all of the functionality of the electronic device (e.g., box 2410
used as an iPod). Box 2410 may include a user interface for
allowing the user to control one or more features of goggle system
2401, electronic device 2420, or both. For example, the user
interface may allow a user to control the media currently displayed
in goggle system 2401 (e.g., fast forward, rewind, pause, next, or
slow-motion), the volume of media, playlist controls, the
luminosity of the display, or any other operation of the goggle
system that may be electrically controlled (e.g., as opposed to
mechanically controlled, such as the wheel of the display adjust
mechanism in some embodiments of the invention). The user interface
may include any suitable user interface such as, for example, a
button, keypad, dial, click wheel, touch screen or pad, multi-touch
screen or pad, or any other suitable interface.
[0117] In some embodiments, box 2410 may authenticate goggle system
2401 or electronic device 2420 before providing media from the
electronic device to the goggle system. This approach may allow box
2410 to verify that a user has properly purchased or acquired
access to the media that will be displayed.
[0118] Entertainment system 2500, displayed in FIG. 25, may include
goggle system 2501 and electronic device 2520. Goggle system 2501
may be coupled to electronic device 2520 using cable 2502. In some
embodiments, the some or all of the functionality and components of
box 2410 (FIG. 24) may be incorporated in goggle system 2501,
electronic device 2520, or both. For example, goggle system 2501
may include a user interface for controlling various features of
goggle system 2501 and of electronic device 2520, memory,
processing or control circuitry, or any other suitable
components.
[0119] Entertainment system 2600, displayed in FIG. 26, may include
goggle system 2601 and electronic device 2620. Electronic device
2620 may use a wireless communications protocol to provide data,
such as media or playback instructions, to goggle system 2601.
Suitable communications protocols may include, for example, Wi-Fi
communications (e.g., one of the 802.11 standards), Bluetooth,
Nordic, high frequency systems (e.g., 900 MHz, 2.4 GHz, and 5.6 GHz
communication systems), short-range radio circuitry (e.g.,
walkie-talkie type circuitry), infrared, Global System for Mobile
Communications (GSM), Synchronous Code Division Multiplexing
(CDMA), General Packet Radio Service (GPRS), GSM Evolution (EDGE),
combinations thereof, or any other suitable communications
protocol.
[0120] Goggle system 2601 and electronic device 2620 may
communicate any suitable data. For example, goggle system 2601 may
transmit instructions for electronic device 2620 to perform one or
more operations (e.g., provide media, create a playlist, shuffle
songs, or navigate a menu). As another example, electronic device
2620 may transmit media streams (e.g., video streams or audio
streams) to goggle system 2601 for display by the display
generation components.
[0121] In some embodiments, some or all of the functionality and
components of box 2410 (FIG. 24) may be incorporated in goggle
system 2601, electronic device 2620, or both. For example, goggle
system 2601 may include a user interface for controlling various
features of goggle system 2601 and of electronic device 2520,
memory, processing or control circuitry, or any other suitable
components.
[0122] In some embodiments, the goggle systems may include some or
all of the components, functionality, or both of the electronic
device. For example, the goggle system may include a processor,
data processing circuitry, or control circuitry, a user interface,
memory for storing media (e.g., a hard-drive, a solid state drive,
flash memory, permanent memory such as ROM, semi-permanent memory
such as RAM, or cache), or any other suitable component. In some
embodiments, the goggle system may include some or all of the
software or firmware of the electronic device (e.g., a CODEC).
[0123] In some embodiments, the electronic device, the goggle
system, or both may include one or more tuners for tuning
television or radio signals. The tuners may allow the user to watch
live television or listen to live radio with the goggle system. In
some embodiments, the electronic device, the goggle system, or both
may include circuitry or software for downloading media, streaming
media (e.g., on demand media), purchasing access to content (e.g.,
pay-per-view programs), or for accessing any other type of media or
content.
[0124] The user may control the playback of media, and other goggle
system operations using any suitable approach. For example, the
goggle system may include a user interface for controlling one or
more of the operations of the goggle system and one or more of the
operations of an electronic device coupled to the goggle system.
Suitable operations may include, for example, controlling the
display of media in the goggle system (e.g., the position of the
display generation components, the luminosity of the display, audio
volume, playback control, or 2-D/3-D toggle), controlling the
remote device (e.g., on/off, playback control, playlist generation
and management, library management, etc.), or any other suitable
operation.
[0125] The user interface may be any suitable user interface
including, for example, a button, keypad, dial, click wheel, touch
screen or pad, multi-touch screen or pad, combinations thereof, or
any other suitable user interface.
[0126] In some embodiments, the goggle system may include different
components, or combinations of components from goggle system 100.
FIG. 27 is an exploded view of a goggle system in accordance with
another embodiment of the invention. Goggle system 2700 may include
outer lens or cover 2702, spacer or mid-frame 2710, foam layer
2740, and optical modules 2750. It is to be noted that goggle
system 2700 may not include an inner cover coupled to the optical
modules (e.g., inner cover 120, FIG. 1), for example to further
reduce the rigidity and enhance the flexibility of goggle system
2700.
[0127] Outer cover 2702 may include some or all of the features of
outer cover 104 (FIG. 1). In particular, outer cover 2702 may be
manufactured from any suitable material including, for example,
glass, plastic, ceramic, metal (e.g., polished aluminum), or any
other suitable material. Spacer or mid-frame 2710 may include some
or all of the features of mid-frame 110, inner cover 120 (FIG. 1),
or both. Spacer 2710 may be coupled to outer cover 2702 around
optical modules 2750. Spacer 2710 may be manufactured from any
flexible material operative to bend or deflect with outer cover
2702 but also stiff enough as not to compress (e.g., and damage
optical modules 2750). Spacer 2710 may conform to the shape of a
user's face but still provide the desired spacing between the
user's eyes and modules 2750.
[0128] Foam layer 2740 may include some or all of the features of
foam 140 (FIG. 1). For example, foam layer 2740 may include any
compressible foam or material operative to compress to accommodate
uneven matches between the curvature of spacer 2710 and the shape
of a user's face to maximize the user's comfort when wearing goggle
system 2700.
[0129] Optical modules 2750 may include a frame, a display adjust
mechanism, dovetailed followers, and display generation modules,
all of which may include some or all of the features of the
corresponding components described above in connection with goggle
system 100 (FIG. 1). Optical modules 2750 may be protected in a
rigid shell 2752 and compliantly coupled to outer cover 2702 via a
rotatable hinge coupling system 2754 that may allow shell 2752 with
modules 2750 to swivel with respect to outer cover 2702 (e.g.,
adjusting the user's display). In some embodiments, optical modules
2750 may instead or in addition be coupled to spacer 2710.
[0130] In some embodiments, flexible padding 2756 may be provided
between modules 2750 and outer cover 2702 to protect modules 2750
when they rotate relative hinge coupling system 2754 and impact
outer cover 2702. Padding 2756 may include any suitable type of
foam or spring system or any other suitable flexible material or
system that may allow for deflection of padding 2756 as shell 2752
rotates in the direction of arrows F about the center line of the
outer cover. In some embodiments, outer cover 2702 may instead or
in addition be operative to deflect to allow shell 2752 to
move.
[0131] FIG. 28A is a top view, and FIG. 28B is a perspective view
of another goggle system in accordance with one embodiment of the
invention. Goggle system 2800 may include outer cover 2802, foam
layer 2840 and optical modules 2850. Outer cover 2802 may include
outer surface 2804 and several fins 2806 extending away from outer
surface 2804 about shell 2852 of optical modules 2850. Fins 2806
may be manufactured by creating several spaced apertures or slots
2807 in a portion of outer cover 2802 (e.g., along the top surface,
bottom surface, or both of outer cover 2802). Any suitable material
may be selected for fins 2806. For example, the material used for
fins 2806 may be selected so that fins 2806 are stiff in the
direction of arrows S (i.e., along their long axis) to maintain the
desired spacing between optical modules 2850 and a user's eyes, but
also such that fins 2806 may deflect towards one another in the
direction of arrows E when outer cover 2802 is deflected. The
length L of each fin 2806 may be selected such that a user's eyes
may be separated from modules 2850 by the desired distance once
foam layer 2840 is coupled to the ends of fins 2806 of outer cover
2802 (e.g., as shown in FIG. 28B).
[0132] The goggle system may use any suitable foam for ensuring the
user a comfortable fit. For example, the goggle system may include
different types of foam layers. FIG. 29 is a perspective view of a
foam layer placed on a user's face in accordance with one
embodiment of the invention. FIG. 30 is a perspective view of the
back side of the foam layer of FIG. 29 in accordance with one
embodiment of the invention. Foam layer 2940, which may include
some or all of the features of foam layer 140 (FIG. 1), may include
a soft foam portion 2942 through the full part thickness of foam
layer 2940 in at least certain specific locations. This may improve
the comfort of a user using goggles with foam layer 2940,
especially for users who wear eyeglasses (e.g., user 2900 who is
wearing eyeglasses 2910 with temples 2912 supported by nose 2902).
As shown in FIG. 30, soft foam portion 2942 may be provided through
the full part thickness of foam layer 2940 at locations 2942',
which may correspond to temples 2912 of eyeglasses 2910, and at
location 2942'', which may correspond to the user's nose 2902. The
portions of soft foam portion 2942 that run through the full part
thickness of foam layer 2940 may improve the comfort of user 2900
by at least reducing the pressure created by foam layer 2940 on
temples 2912 and nose 2902, for example.
[0133] FIG. 31 is a cross-sectional view of the foam layer of FIG.
29 in accordance with one embodiment of the invention. Foam layer
2940 may include soft foam portion 2942 and a hard foam portion
2944 that may be of a harder density than soft foam portion 2944.
Foam layer 2940 may also include a flocked material 2946 forming
the cosmetic external surface of foam portions 2942 and 2944 to
increase the comfort of the user and enhance the aesthetic
appearance of the goggle system. In some embodiments, foam layer
2940 may include mounting plate 2948 provided on the surface of
foam layer 2940 facing away from the user for coupling foam layer
2940 to another portion of the goggle system (e.g., an outer
cover). Mounting plate 2948 may be formed from any suitable
material, including for example metal, a composite material,
plastic (e.g., polyurethane), or any other suitable material.
[0134] FIG. 32 is a top view of a schematic head-mounted display in
accordance with one embodiment of the invention. Head mounted
display 3210 may include outer shield 3212, which may be formed in
a wide variety of shapes. For example, outer shield 3212 may
include rectilinear shapes, curvilinear shapes, a sheet (e.g., a
curved surface), a box-like shape (e.g., with one or more side
walls), or any other suitable shape. Outer shield 3212 may be
formed from any suitable material including, for example, a
plastic, metal, rubber, ceramic material, combinations of these, or
any other suitable material. In some embodiments, a flexible
material may be selected for outer shield 3212 to ensure the head
mounted display remains somewhat compliant, thereby improving the
feel of the head mounted display when worn on the face (e.g.,
conforming better to the face).
[0135] Head mounted display 3210 may include optical module 3214,
which may include a frame operative to support and protect display
elements 3215. Because optical module 3214 includes display
elements 3215 (which may be fragile), the frame may include one or
more rigid or durable components. In some embodiments, the frame
may include a cross bar and one or more integrally formed
enclosures for housing display elements 3215.
[0136] Head mounted display 3210 may include connector assembly
3216 operative to couple optical module 3214 to outer shield 3212
using any suitable approach. Connector assembly 3216 may rigidly
secure optical module 3214 to outer shield 3212 (e.g., does not
allow optical module 3214 to move), or connector assembly 3216 may
allow optical module 3214 to move relative to outer shield 3212.
For example, connector assembly 3216 may allow the optical module
3214 to slide relative to the inner surface of outer shield 3212
along one or more axes, or to pivot about one or more axes. In some
embodiments, optical module 3214 may be coupled to connector
assembly 3216 using a flexure system, a gimbal type arrangement, a
linkage system, a combination of these, or any other suitable
system. Connector assembly 3216 may provide any number of degrees
of freedom depending on the needs of head mounted display 3210.
[0137] Connector assembly 3216 may include a stabilization system
for stabilizing optical module 3214 relative to outer shield 3212.
For example, a spring (e.g., a sprung system) may be used such that
the spring force between optical module 3214 and outer shield 3212
may equalize the forces to maintain the optical elements of optical
module 3214 parallel to the user's face when outer shield 3212
bends around the user's face. The spring force may be embodied in a
variety of ways, including for example conventional springs such as
compression, tension, torsion, and leaf springs may be used,
compressive materials (e.g., foam), or any other suitable
manner.
[0138] Head mounted display 3210 may include face frame 3218, which
may be constructed to both bend easily, but be very stiff in
compression. This can be implemented in a wide variety of ways,
including for example using a fanned structure with air voids,
voids filled with selected materials (e.g., foam), combinations of
these, or any other suitable material. The fanned structure may be
formed from a variety of materials depending on the desired
rigidity and flexibility. Such materials may include, for example,
plastics, rubbers, and various foam materials.
[0139] Face frame 3218 may be fixed or mounted to inner portion of
the outer shield 3212. For example, face frame 3218 may be coupled
along the peripheral edge portion of outer shield 3212. In some
embodiments, face frame 3218 may include a mounting system for
attaching itself to outer shield 3212. For example, face frame 3218
may include slots that receive flanges on the inner surface of
outer shield 3212 (or vice versa). In this manner, face frame 3218
may be very easily snapped into place. This may allow for different
sized face frames 3218 to be used (e.g., people have different
faces and therefore different sizes of face frames may be needed).
Any suitable mounting arrangement may be used including, for
example, friction couplings, screws, adhesives (e.g., glue or
epoxy), hook and fastener material (e.g., Velcro), or any other
suitable mounting arrangement.
[0140] Head mounted display 3210 may include face contacting member
3220 operative to comfortably conform to a user's face when head
mounted display 3210 is worn. Face contacting member 3220 may
compress as necessary to conform to the user's face using uniform
compressibility or varying compressibility about the perimeter
(discrete points or portions may be more or less compressible than
other points or portions). Face contacting member 3220 may be
affixed or mounted to face frame 3218, for example in a manner
similar to how face frame 3218 is attached to the outer shield
3212. In some embodiments, face frame 3218 and face contacting
member 3220 may be coupled together as an integrated unit. Various
materials may be used for the face contacting member 3220,
including for example foam-like materials (e.g., as a single piece
of foam or a combination of several pieces of foam) or other
compressible materials. By changing the material or materials used
for different portions of face contacting member 3220, the
compressive forces at discrete points about the perimeter may vary
thereby making head mounted display 3210 more comfortable to wear.
In some embodiments, face contacting member 3220 may include an
outer layer selected for its aesthetic appearance. For example, one
or more sides of face contacting member 3220 (e.g., the side
surfaces and face contacting surfaces) may be covered with a
coating or flocking material such as fabric or rubber like
materials.
[0141] It will be understood that this invention may be implemented
in any suitable device for supporting the display generation
components. For example, the principles of this invention may also
be applied to glasses (e.g., sunglasses), a helmet, a hat, or any
other suitable device for supporting the display generation
components on a user.
[0142] The above described embodiments of the present invention are
presented for purposes of illustration and not of limitation, and
the present invention is limited only by the claims which
follow.
* * * * *