U.S. patent number D359,024 [Application Number D/015,945] was granted by the patent office on 1995-06-06 for dielectric filter.
This patent grant is currently assigned to NGK Spark Plug Co., Ltd.. Invention is credited to Kenji Ito.
United States Patent |
D359,024 |
Ito |
June 6, 1995 |
Dielectric filter
Claims
The ornamental design for a piezoelectric filter, as shown and
described.
Inventors: |
Ito; Kenji (Nagoya,
JP) |
Assignee: |
NGK Spark Plug Co., Ltd.
(Aichi, JP)
|
Appl.
No.: |
D/015,945 |
Filed: |
December 2, 1993 |
Foreign Application Priority Data
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Jun 2, 1993 [JP] |
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5-16211 |
Jun 2, 1993 [JP] |
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5-16212 |
Jun 2, 1993 [JP] |
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5-16213 |
Jun 16, 1993 [JP] |
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5-18106 |
Jun 16, 1993 [JP] |
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5-18107 |
Jun 16, 1993 [JP] |
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5-18108 |
Jun 23, 1993 [JP] |
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5-18917 |
Jun 23, 1993 [JP] |
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5-18918 |
Jun 23, 1993 [JP] |
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5-18919 |
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Current U.S.
Class: |
D13/123;
D13/182 |
Field of
Search: |
;D13/123,182
;333/202,204,206,208,219 ;174/52.1,52.4,260 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
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563987 |
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Oct 1993 |
|
EP |
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405152803 |
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Jun 1993 |
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JP |
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Primary Examiner: Sincavage; Joel
Attorney, Agent or Firm: Larson and Taylor
Description
FIG. 1 is a top plan view of a first embodiment of the
piezoelectric filter of the present invention;
FIG. 2 is a front elevation view of the piezoelectric filter
depicted in FIG. 1;
FIG. 3 is a right side elevation view of the piezoelectric filter
depicted in FIG. 1;
FIG. 4 is a left side elevation view of the piezoelectric filter
depicted in FIG. 1;
FIG. 5 is a bottom plan view of the piezoelectric filter depicted
in FIG. 1;
FIG. 6 is a rear view of the piezoelectric filter depicted in FIG.
1;
FIG. 7 is a cross-sectional view of the piezoelectric filter
depicted in FIG. 1 taken along the line 7--7 in FIG. 1;
FIG. 8 is a cross-sectional view of the piezoelectric filter
depicted in FIG. 2 taken along the line 8--8 in FIG. 2;
FIG. 9 is a perspective view showing the upper and front side
surfaces of the piezoelectric filter depicted in FIG. 1;
FIG. 10 is a perspective view showing the lower and rear surfaces
of the piezoelectric filter depicted in FIG. 1;
FIG. 11 is a perspective view showing the upper and front side
surfaces of the piezoelectric filter of a second embodiment of the
present invention;
FIG. 12 is a perspective view showing the lower and rear surfaces
of the piezoelectric filter depicted in FIG. 11;
FIG. 13 is a perspective view showing the upper and front side
surfaces of the piezoelectric filter of a third embodiment of the
present invention;
FIG. 14 is a perspective view showing the lower and rear surfaces
of the piezoelectric filter depicted in FIG. 13;
FIG. 15 is a perspective view showing the upper and front side
surfaces of the piezoelectric filter of a fourth embodiment of the
present invention;
FIG. 16 is a perspective view showing the lower and rear surfaces
of the piezoelectric filter depicted in FIG. 15;
FIG. 17 is a perspective view showing the upper and front side
surfaces of the piezoelectric filter of a fifth embodiment of the
present invention;
FIG. 18 is a perspective view showing the lower and rear surfaces
of the piezoelectric filter depicted in FIG. 17;
FIG. 19 is a perspective view showing the upper and front side
surfaces of the piezoelectric filter of a sixth embodiment of the
present invention;
FIG. 20 is a perspective view showing the lower and rear surfaces
of the piezoelectric filter depicted in FIG. 19;
FIG. 21 is a perspective view showing the upper and front side
surfaces of the piezoelectric filter of a seventh embodiment of the
present invention;
FIG. 22 is a perspective view showing the lower and rear surfaces
of the piezoelectric filter depicted in FIG. 21;
FIG. 23 is a perspective view showing the upper and front side
surfaces of the piezoelectric filter of an eighth embodiment of the
present invention;
FIG. 24 is a perspective view showing the lower and rear surfaces
of the piezoelectric filter depicted in FIG. 23;
FIG. 25 is a perspective view showing the upper and front side
surfaces of the piezoelectric filter of a ninth embodiment of the
present invention;
FIG. 26 is a perspective view showing the lower and rear surfaces
of the piezoelectric filter depicted in FIG. 25;
FIG. 27 is a top plan view of a tenth embodiment of the
piezoelectric filter of the present invention;
FIG. 28 is a front elevation view of the piezoelectric filter
depicted in FIG. 27;
FIG. 29 is a side elevation view of the piezoelectric filter
depicted in FIG. 27;
FIG. 30 is a bottom plan view of the piezoelectric filter depicted
in FIG. 27;
FIG. 31 is a rear view of the piezoelectric filter depicted in FIG.
27;
FIG. 32 is a cross-sectional view of the piezoelectric filter
depicted in FIG. 27 taken along the line 32--32 in FIG. 27;
FIG. 33 is a perspective view showing the upper and front surfaces
of the piezoelectric filter depicted in FIG. 27;
FIG. 34 is a perspective view showing of an eleventh embodiment of
the piezoelectric filter of the present invention, the bottom, rear
and left side being the same as the tenth embodiment except for the
central channel on the bottom surface; and,
FIG. 35 is a perspective view showing of a twelfth embodiment of
the piezoelectric filter of the present invention, the bottom, rear
and left side being the same as the tenth embodiment.
* * * * *