U.S. patent application number 16/421347 was filed with the patent office on 2020-04-30 for automated teller machine with hand location detection.
The applicant listed for this patent is Hyosung TNS Inc.. Invention is credited to Jin Young HWANG, Kyoung Soo KIM, Sang Kyu LEE, Young Chul LEE.
Application Number | 20200134983 16/421347 |
Document ID | / |
Family ID | 70328341 |
Filed Date | 2020-04-30 |
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United States Patent
Application |
20200134983 |
Kind Code |
A1 |
LEE; Young Chul ; et
al. |
April 30, 2020 |
AUTOMATED TELLER MACHINE WITH HAND LOCATION DETECTION
Abstract
The present disclosure relates to a deposit/withdrawal apparatus
of an automated teller machine (ATM) and a control method thereof,
and more particularly, relates to a deposit/withdrawal apparatus of
ATM which is a deposit/withdrawal apparatus of a present type ATM
which receives or discharges a bill by moving a tray for loading a
bill forwards and backwards during a deposit/withdrawal
transaction, and a control method thereof, in which the
deposit/withdrawal apparatus is configured to include a tray for
loading a bill, a clamp for fixing a bill, a shutter for opening or
closing an entrance of a bill, and a camera mounted at one side of
the bill insertion slot through which the tray enters, to grasp an
insertion situation of a bill from an image photographed by the
camera, and to control operations of the tray, the clamp, and the
shutter.
Inventors: |
LEE; Young Chul; (Yongin-si,
KR) ; KIM; Kyoung Soo; (Ansan-si, KR) ; LEE;
Sang Kyu; (Incheon, KR) ; HWANG; Jin Young;
(Seoul, KR) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Hyosung TNS Inc. |
Seoul |
|
KR |
|
|
Family ID: |
70328341 |
Appl. No.: |
16/421347 |
Filed: |
May 23, 2019 |
Current U.S.
Class: |
1/1 |
Current CPC
Class: |
G06Q 20/1085 20130101;
G07F 19/205 20130101; G07F 19/202 20130101; G08B 21/18
20130101 |
International
Class: |
G07F 19/00 20060101
G07F019/00; G08B 21/18 20060101 G08B021/18 |
Foreign Application Data
Date |
Code |
Application Number |
Oct 29, 2018 |
KR |
10-2018-0129583 |
Claims
1. A deposit/withdrawal apparatus of a present type automated
teller machine, comprising: a case formed with a bill insertion
slot through which a bill is inserted; a camera which is installed
at one side of the case to photograph a front side of the bill
insertion slot; a shutter which is provided in the case to open or
close the bill insertion slot; a tray having a bill loading space
provided at an upper part thereof and movable to the front side or
a back side of the bill insertion slot; and a clamp configured to
prevent a bill loaded into the tray from being separated from the
tray, wherein the deposit/withdrawal apparatus is configured to
determine an insertion state of a bill and a location where a
user's hand is placed from an image photographed by the camera, and
operations of the tray, the clamp, and the shutter controlled based
on the determined state of the bill and the location where the
user's hand is placed, wherein when the bill is loaded on an upper
part of the tray and the location where the user's hand is placed
is outside a preset first reference area based on the image
photographed by the camera, wherein the clamp is operated to be
seated onto the bill loaded into the upper part of the tray, and
wherein the first reference area is an area where the clamp is
seated on the bill loaded onto the upper part of the tray when the
tray moves toward the front side of the bill insertion slot.
2. The deposit/withdrawal apparatus of claim 1, wherein the camera
is mounted at an upper center of a front surface of the case.
3-4. (canceled)
5. The deposit/withdrawal apparatus of claim 1, wherein when the
location where the user's hand is placed is outside a preset second
reference area based on the image photographed by the camera with
the clamp seated on the bill loaded into the upper part of the
tray, the tray is moved to the back side of the bill insertion slot
and the shutter is closed.
6. The deposit/withdrawal apparatus of claim 5, wherein the second
reference area includes a tray area moving toward the front side of
the bill insertion slot and an upper area of the tray.
7. The deposit/withdrawal apparatus of claim 1, wherein the
deposit/withdrawal apparatus determines an alignment state of the
bill loaded into the upper part of the tray with respect to the
tray based on the image photographed by the camera during a bill
deposit operation, and when the alignment state is outside a preset
reference range, the a bill alignment request message is presented
to the user together with an alarm.
8. The deposit/withdrawal apparatus of claim 1, wherein when a bill
to be withdrawn remains loaded into the upper part of the tray even
after a predetermined time during a bill withdrawal operation, a
bill receipt request message is presented to the user together with
an alarm.
9. A control method of a deposit/withdrawal apparatus of an
automated teller machine, the control method comprising:
photographing an image a front side of a bill insertion slot of the
deposit/withdrawal apparatus by a camera installed at one side of a
case of the deposit/withdrawal apparatus formed with a bill
insertion slot; determining an insertion state of a bill and a
location where a user's hand is placed from the image photographed
by the camera; and controlling operations of a tray for loading the
bill, a clamp for securing the bill onto the tray, and a shutter
for opening or closing an entrance of the bill insertion slot based
on the determined insertion state of the bill and the location
where the user's hand is placed, controlling the operations
comprising: when the bill is loaded onto an upper part of the tray
and the location of the user's hand is determined, based on the
image photographed by the camera, to be outside an area in which
the clamp is seated on the bill loaded at the upper part of the
tray with the tray moving toward a front side of the bill insertion
slot, operating the clamp to be seated on the bill loaded on the
upper part of the tray.
10. (canceled)
11. The control method of claim 9, wherein controlling the
operations further comprises: moving the tray to a back of the bill
insertion slot and closing the shutter when the location of the
user's hand is determined to be outside a tray area in which the
tray moves toward the front side of the bill insertion slot based
on the image photographed by the camera with the clamp seated on
the bill loaded on the upper part of the tray.
12. The control method of claim 9, wherein controlling the
operations further comprises: presenting a bill alignment request
message to the user together with an alarm when an alignment state
of the bill loaded into an upper part of the tray with respect to
the tray is determined to be outside a preset reference range based
on the image photographed by the camera.
13. The control method of claim 9, wherein controlling the
operations further comprises: presenting a bill reception request
message to the user together with an alarm when a bill to be
withdrawn remains loaded on the upper part of the tray even after a
predetermined time during a bill withdrawal operation.
Description
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application claims priority under 35 U.S.C .sctn.
119(a) to Republic of Korea Patent Application No. 10-2018-0129583
filed on Oct. 29, 2018, which is incorporated by reference herein
in its entirety.
BACKGROUND
1. Technical Field
[0002] The present disclosure relates to a deposit/withdrawal
apparatus of an automated teller machine (ATM) and a control method
thereof. More particularly, the present disclosure relates to a
deposit/withdrawal apparatus of ATM which is a deposit/withdrawal
apparatus of a present type ATM which receives or discharges a bill
by moving a tray for loading a bill forwards and backwards during a
deposit/withdrawal transaction, and a control method thereof, in
which the deposit/withdrawal apparatus is configured to include a
tray for loading a bill, a clamp for fixing a bill, a shutter for
opening or closing an entrance of a bill, and a camera mounted at
one side of a bill insertion slot through which the tray enters, to
grasp an insertion situation of a bill from an image photographed
by the camera, and to control operations of the tray, the clamp,
and the shutter, thereby making it possible to effectively support
the deposit/withdrawal transaction with a simple structure using
the camera.
2. Related Art
[0003] An automated teller machine (ATM) is an automated instrument
that can support basic financial services such as
deposit/withdrawal without bank staffs any time and at any place in
relation to financial services, and is configured so that users
themselves directly carry out financial transaction such as
deposit/withdrawal of cash using media such as a card or a
bankbook.
[0004] Such an automated teller machine provides various financial
services such as depositing or withdrawing a paper medium such as a
bill or a check, checking a balance, and doing an account transfer,
and the automated teller machine is provided with various
independent modules such as a deposit/withdrawal apparatus, a card
reader, and a bankbook updating machine in order to provide the
financial services, in which the modules are electrically connected
to a controller and thus controlled by the controller.
[0005] Such an automated teller machine includes a
deposit/withdrawal apparatus for deposit/withdrawal transactions.
As the conventional deposit/withdrawal apparatus, a pocket type
which enables a user to put his or her hand in a bill storage space
provided inside a shutter to insert or receive a bill when the
shutter is opened has been mainly applied.
[0006] However, there is a problem in that the shutter is closed
even though a user's hand is located inside the shutter while the
user inserts the bill into the bill storage space provided inside
the shutter or receives the loaded bill. When such a problem
occurs, the user's hand may be injured by a force of a motor
operating the shutter, and a load impact occurs as the shutter
repeatedly and continuously performs the opening/closing operation
even when the shutter is pressed by the user's hand to hinder the
opening/closing operation, thereby causing the problem in that the
life of the motor and the gear for performing the opening/closing
operation of the shutter is shortened and frequent malfunction
occurs.
[0007] In order to solve such a problem, Korean Patent No.
1,363,769 discloses a technique for controlling an operation of
opening and closing a shutter after determining whether a user's
hand enters by providing an optical sensor at a deposit/withdrawal
portion.
[0008] In the prior art, an optical sensor module including a light
emitting portion and a light receiving portion is provided on an
inner lower portion and an outer upper portion of the shutter,
respectively, and the optical sensor module determines whether the
user's hand enters, such that the opening/closing operation of the
shutter is performed.
[0009] On the other hand, in configuring the deposit/withdrawal
apparatus of the ATM, a present type in which a tray on which a
bill can be loaded moves to a front and a back of a bill insertion
slot to receive or discharge a bill can be applied. In recent, a
drive-through ATM which can use the ATM even in the state in which
a customer gets into a vehicle is becoming common, and as a result,
in order for a user to be able to conveniently deposit/withdraw
cash or a check without stretching out his or her body and arm out
of a vehicle, the preference of the ATM to which the present type
is applied is increasing.
[0010] Such a present type deposit/withdrawal apparatus requires a
shutter opening/closing control system for moving the tray, but
when the method for determining whether a user's hand enters by
using the conventional optical sensor is applied to the present
type deposit/withdrawal apparatus, the light emitting unit for
emitting an infrared ray and the light receiving unit for receiving
the infrared ray emitted from the light emitting unit need to be
installed so as to protrude further forward than the tray due to
the tray moving to a front and a back of the bill insertion slot,
such that there is a problem in that the overall structure of the
deposit/withdrawal apparatus is complicated and the installation
cost thereof is increased.
SUMMARY
[0011] The present disclosure has been made to solve the above
conventional problems. That is, various embodiments are directed to
a deposit/withdrawal apparatus of an automated teller machine (ATM)
which is a deposit/withdrawal apparatus of a present type ATM, and
a control method thereof, in which the deposit/withdrawal apparatus
is configured to a tray for loading a bill, a clamp for fixing a
bill, a shutter for opening or closing an entrance of a bill, and a
camera mounted at one side of a bill insertion slot through which
the tray enters, to grasp an insertion situation of a bill from an
image photographed by the camera, and to control operations of the
tray, the clamp, and the shutter, thereby making it possible to
effectively support the deposit/withdrawal transaction with a
simple structure using the camera.
[0012] As a technical idea for achieving the above object, various
embodiments are directed to a deposit/withdrawal apparatus of an
automated teller machine which is configured to include a case
which forms a bill insertion slot through which a bill is inserted;
a camera which is installed at one side of the case to photograph a
front of the bill insertion slot; a shutter which is provided in
the case to open/close the bill insertion slot; a tray which has a
bill loading space provided at an upper part thereof and is
provided to be movable to a front and a back of the bill insertion
slot; and a clamp which prevents the bill loaded into the tray from
being separated, and is configured to grasp an insertion situation
of a bill and a location where a user's hand is placed, from an
image photographed by the camera and to control operations of the
tray, the clamp, and the shutter based on the grasped
information.
BRIEF DESCRIPTION OF THE DRAWINGS
[0013] FIG. 1 is a perspective view schematically illustrating an
appearance of a deposit/withdrawal apparatus according to an
embodiment of the present disclosure;
[0014] FIG. 2 is a cross-sectional view illustrating a state in
which a camera is installed in a deposit/withdrawal apparatus
according to an embodiment of the present disclosure.
[0015] FIGS. 3 and 4 are diagrams for describing an example of a
preset reference area according to an embodiment of the present
disclosure.
[0016] FIG. 5 is a flow chart illustrating a control method of a
deposit/withdrawal apparatus according to an embodiment of the
present disclosure.
DETAILED DESCRIPTION
[0017] The present disclosure may be variously modified and have
several forms. Therefore, specific exemplary embodiments of the
present disclosure will be illustrated in the accompanying drawings
and be described in detail in the detailed description.
[0018] However, it is to be understood that the present disclosure
is not limited to the specific exemplary embodiments, but includes
all modifications, equivalents, and substitutions included in the
spirit and the scope of the present disclosure. Terms such as
`first`, `second`, or the like, may be used to describe various
components, but these components are not to be construed as being
limited to these terms. The terms are used only to differentiate
one component from other components. For example, the `first`
component may be named the `second` component, and vice versa,
without departing from the scope of the present disclosure.
[0019] Terms used in the present specification are used only for
describing specific embodiments of the present disclosure, and do
not intend to limit the present disclosure. Singular forms used
herein are intended to include plural forms unless context
explicitly indicates otherwise. It is to be understood that the
terms "comprises/includes" or "have" used in this specification or
any other variation thereof specify the presence of stated
features, numerals, steps, operations, components, parts, or a
combination thereof, but do not preclude the presence or addition
of one or more other features, numerals, steps, operations,
components, parts, or a combination thereof.
[0020] Hereinafter, preferred embodiments of the present disclosure
will be described in detail with reference to the accompanying
drawings.
[0021] FIG. 1 is a perspective view schematically illustrating an
appearance of a deposit/withdrawal apparatus according to an
embodiment of the present disclosure, FIG. 2 is a cross-sectional
view illustrating a state in which a camera is installed in a
deposit/withdrawal apparatus according to an embodiment of the
present disclosure, and FIGS. 3 and 4 are diagrams for describing
an example of a preset reference area according to an embodiment of
the present disclosure.
[0022] In general, the automated teller machine is provided with a
deposit/withdrawal apparatus. The deposit/withdrawal apparatus
performs a function of receiving a bill from a user when the user
requests a deposit transaction or withdrawing a bill corresponding
to an amount of money when the user requests a withdrawal
transaction. In the present disclosure, the deposit/withdrawal
apparatus has a concept which includes both a bill
deposit/withdrawal for depositing/withdrawing cash, and a check
deposit/withdrawal for depositing/withdrawing a check.
[0023] The deposit/withdrawal apparatus according to the present
disclosure is constituted by a present type in which a bill is
inserted or discharged through a forward and backward movement of a
tray for loading a bill. To this end, as illustrated in FIGS. 1 and
2, the deposit/withdrawal apparatus according to the present
disclosure is configured to include a case 120 which forms a bill
insertion slot 110 through which a bill is inserted; a camera 130
which is installed at one side of the case 120 to photograph a
front of the bill insertion slot 110; a shutter 140 which is
provided in the case 120 to open/close the bill insertion slot 110;
a tray 150 which has a bill loading space provided at an upper part
thereof and is provided to be movable to a front and a back of the
bill insertion slot 110; and a clamp 160 which prevents the bill
loaded into the tray 150 from being separated. In addition, the
components are electrically connected to a controller (not
illustrated) which controls the overall operation of the ATM and
thus controlled by the controller.
[0024] Therefore, the present disclosure is configured to grasp an
insertion situation of a bill based on an image photographed by the
camera 130 to control the operations of the tray 150, the clamp
160, and the shutter 140, which makes it possible to prevent an
accident that a user's hand is pressed or caught by the clamp 160
or the shutter 140, and to determine an alignment state of bills
during a deposit operation and checking whether or not the
non-received bills are present during a withdrawal operation to
inform the user of the presence of the non-received bills, which
makes it possible to effectively support the deposit/withdrawal
transaction with the simple structure using the camera.
[0025] The camera 130 according to the present disclosure
photographs a front of the bill insertion slot 110 while the
shutter 140 is opened and the transaction is made, and transmits
the photographed image to the controller. In the present
disclosure, as illustrated in FIGS. 1 and 2, the camera 130 is
disposed at an upper center of a front surface of the case 120
which forms the bill insertion slot 110. However, the present
disclosure is not limited thereto, and it is obvious that the
camera can be installed at any location around the case including
the left and right sides of the front surface of the case as long
as the camera can photograph the front of the bill insertion slot
110. At this time, as illustrated in FIGS. 3 and 4, it is
preferable that the camera 130 has a clamp area in which the clamp
160 seated on a bill loaded into the upper part of the tray 150 in
a state in which the tray 150 protrudes toward the front of the
bill insertion slot 110 may be located and a photographing area
including a tray area so as to check that a user's hand is
completely out of the tray.
[0026] The controller opens the shutter 140 to allow the tray 150
to protrude toward the front of the bill insertion slot 110 when
receiving the deposit/withdrawal request from a user, and analyzes
the image received through the camera 130 to determine whether an
insertion of a bill that a user wants to deposit is inserted or a
reception of a bill that a user wants to withdraw is completed.
Only when it is determined that a user has completed a
deposit/withdrawal operation, the controller controls the
respective operations of the tray 150, the clamp 160, and the
shutter 140.
[0027] That is, when receiving the deposit request from the user,
the controller opens the shutter 140 to allow the tray 150 to
protrude toward the front of the bill insertion slot 110, and at
the same time, operates the camera 130 to photograph the front of
the bill insertion slot 110 while the shutter 140 is opened so that
the transaction is made, and analyzes an image transmitted from the
camera 130 to detect a current location of a user's hand. At this
time, as illustrated in FIGS. 3 and 4, based on the location of the
clamp 160 seated on the bill loaded into the upper part of the tray
150 in the state in which the tray 150 protrudes forward, when the
user's hand is detected within the clamp area, the controller
determines that the user is still performing the deposit operation,
and when the user's hand is detected beyond the clamp area, the
controller determines that the user has completed the deposit
operation, and seats the clamp 160 on the tray 150. After the clamp
is seated on the tray, as illustrated in FIGS. 3 and 4, based on
the location of the tray in the state in which the tray protrudes
toward the front of the bill insertion slot, the controller
determines whether the user's hand is located beyond the clamp
area. When the user's hand is completely out of the tray area, the
controller transfers the tray 150 to the back of the bill insertion
slot 110 and then closes the shutter 140 to close the bill
insertion slot 110.
[0028] In addition, when receiving the withdrawal request from the
user, the controller opens the shutter 140 to allow the tray 150,
having the clamp 160 and the withdrawn bill seated thereon, to
protrude toward the front of the bill insertion slot 110, and at
the same time, operates the camera 130 to photograph the front of
the bill insertion slot 110. At this time, when the user's hand is
detected within the clamp area, the controller determines that the
user is still performing the withdrawal operation. When the user's
hand is completely out of the tray area, the controller transfers
the tray to the back of the bill insertion slot and then closes the
shutter to close the bill insertion slot.
[0029] On the other hand, the controller keeps monitoring the
location of the user's hand by the camera even while the clamp is
seated, the tray is transferred backwards, and the shutter is
closed and preferably stops the operations of the tray, the clamp,
and the shutter for safety when it is detected that the user's hand
enters the clamp area or the tray area. In addition, when the
current location of the user's hand is located within the clamp
area or the tray area even after a predetermined time, a message
informing the user of such a fact may be displayed on the automated
teller machine together with an alarm or output as a voice.
[0030] In the present disclosure, the method of analyzing the image
transmitted from the camera 130 and grasping the location of the
user's hand can be performed in various ways. A user's skin color
area may be detected from the image transmitted from the camera to
track the location of the user's hand, and boundary areas may be
detected from an image data acquired from the camera to track the
location of the user's hand by means of a hand shape extraction and
a feature extraction.
[0031] As described above, the present disclosure sets a reference
area in the photographed area and sequentially controls the
operations of the clamp 160, the tray 150, and the shutter 140 only
when the user's hand is not detected within the reference area,
thereby making it possible to prevent the accident that the user's
hand is pressed or caught by the clamp or the shutter.
[0032] In addition, the controller checks the alignment state of
bills during the deposit operation based on the image photographed
through the camera 130, and when the bills are abnormally disposed,
the controller displays a message informing the user of such a
fact, on the automated teller machine together with an alarm, such
that the user can normally realign bills.
[0033] That is, after determining that the user has completed the
deposit operation and seating the clamp 160 on the tray 150, the
controller checks the alignment state of bills based on the image
photographed by the camera 130 to request the user to realign bills
when the bills are abnormally disposed beyond the preset reference
range. At this time, since the clamp 160 seated on the tray 150 is
slightly placed on an upper surface of a bill, the user can align
the bills by pushing the bills, which are abnormally disposed,
backwards or collecting the bills again.
[0034] As such, when the user loads bills into the tray during the
deposit operation, the controller checks whether the current
location of the user's hand is located beyond the clamp area based
on the image photographed by the camera, to allow the clamp to be
seated on bills loaded into the tray. Then, the controller checks
the alignment state of bills in the state in which the clamp is
seated, and when the bills are abnormally disposed, the controller
requests the user to realign the bills, and when the controller
checks that the bills are completely realigned and the current
location of the user's hand is beyond the tray area, the controller
transfers the tray to the back of the bill insertion slot and then
closes the shutter to close the bill insertion slot.
[0035] Accordingly, the present disclosure may prevent jamming of
bills, improper loading of bills, and poor recognition of bills
through the alignment of bills to be deposited, and prevent the
occurrence of the case in which the user checks the alignment state
of bills too late to suddenly put his or her hand into the
tray.
[0036] In addition, when the non-received bills are present at the
upper part of the tray even after a predetermined time when the
user can receive money loaded into the tray lapses during the
withdrawal operation based on the image photographed by the camera,
the controller displays the message, informing the user of such a
fact, on the automated teller machine together with an alarm,
thereby making it possible to request the user to receive the
non-received bills again.
[0037] FIG. 5 is a flow chart illustrating a control method of a
deposit/withdrawal apparatus according to an embodiment of the
present disclosure.
[0038] As illustrated in FIG. 5, when receiving the deposit request
from the user (S512), the controller opens the shutter to allow the
tray to protrude toward the front of the bill insertion slot
(S514), and at the same time, operates the camera to photograph the
front of the bill insertion slot while the shutter is opened so
that the transaction is made (S516).
[0039] Next, when the user loads bills to be deposited into the
tray, the controller analyzes the image transmitted from the camera
to detect the current position of the user's hand (S518).
[0040] At this time, the controller grasps the current position of
the user's hand detected by analyzing the image transmitted from
the camera. When the controller determines that the user's hand is
located within the clamp area in which the clamp can be seated on
the tray in the state in which the tray protrudes forward, the
controller determines that the user is still inserting bills to be
deposited. On the other hand, when the controller determines that
the user's hand is located beyond the clamp area (S520), the
controller determines that the user has completely inserted bills
to be deposited, and then seats the clamp on the tray to fix the
bills loaded into the tray (S522).
[0041] Next, the controller checks the alignment state of the bills
which the user loads into the tray for the deposit operation, based
on the image photographed by the camera (S524), and when the bills
are abnormally disposed, the controller displays a message,
informing the user of such a fact, on an automated teller machine
together with an alarm, such that the user may normally realign the
bills.
[0042] Thereafter, when a deposit check command indicating that the
bills has been completed inserted is inputted by the user, after
checking whether the current location of the user's hand is located
beyond the tray area, the controller transfers the tray to the back
of the bill insertion slot (S526), closes the shutter to close the
bill insertion slot, and then completes the camera photographing
(S528).
[0043] Accordingly, the present disclosure controls the operations
of the clamp, the tray, and the shutter only when the user's hand
is not detected within the reference area photographed by the
camera, thereby making it possible to prevent the accident that the
user's hand is pressed or caught by the clamp or the shutter, and
determines the alignment state of bills during the deposit
operation with the simple structure using the camera to inform the
user of the determined alignment state, thereby making it possible
to effectively support the deposit transaction.
[0044] According to the deposit/withdrawal apparatus of the ATM and
the control method thereof according to the present disclosure, the
operations of the clamp, the tray, and the shutter are controlled
only when the user's hand is not detected within the reference area
photographed by the camera, thereby making it possible to prevent
the accident that the user's hand is pressed or caught by the clamp
or the shutter.
[0045] In addition, with the simple structure using the camera, it
is possible to determine the alignment state of bills during the
deposit operation and check whether or not the non-received bills
are present during the withdrawal operation to inform the user of
the alignment state and the presence of the non-received bills,
thereby making it possible to effectively support the
deposit/withdrawal transaction.
[0046] It will be obvious to those skilled in the art to which the
present invention pertains that the present invention described
above is not limited to the above-mentioned exemplary embodiments
and the accompanying drawings, but may be variously substituted,
modified, and altered without departing from the scope and spirit
of the present invention.
* * * * *