JPH0224319Y2 - - Google Patents
Info
- Publication number
- JPH0224319Y2 JPH0224319Y2 JP1985099371U JP9937185U JPH0224319Y2 JP H0224319 Y2 JPH0224319 Y2 JP H0224319Y2 JP 1985099371 U JP1985099371 U JP 1985099371U JP 9937185 U JP9937185 U JP 9937185U JP H0224319 Y2 JPH0224319 Y2 JP H0224319Y2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- piezoelectric vibrating
- piezoelectric
- recesses
- vibrating element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985099371U JPH0224319Y2 (pt-PT) | 1985-06-29 | 1985-06-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985099371U JPH0224319Y2 (pt-PT) | 1985-06-29 | 1985-06-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS628798U JPS628798U (pt-PT) | 1987-01-20 |
JPH0224319Y2 true JPH0224319Y2 (pt-PT) | 1990-07-03 |
Family
ID=30968186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985099371U Expired JPH0224319Y2 (pt-PT) | 1985-06-29 | 1985-06-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0224319Y2 (pt-PT) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI116605B (fi) * | 1999-11-05 | 2005-12-30 | Panphonics Oy | Akustinen elementti |
DE102005008514B4 (de) * | 2005-02-24 | 2019-05-16 | Tdk Corporation | Mikrofonmembran und Mikrofon mit der Mikrofonmembran |
JP4910823B2 (ja) | 2007-03-27 | 2012-04-04 | 日本電気株式会社 | 屈曲型送受波器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5245923A (en) * | 1975-10-09 | 1977-04-12 | Nippon Ceramic Kk | High frequency speaker |
JPS5837200U (ja) * | 1981-09-03 | 1983-03-10 | フクビ化学工業株式会社 | 集積回路包装ケ−ス |
-
1985
- 1985-06-29 JP JP1985099371U patent/JPH0224319Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5245923A (en) * | 1975-10-09 | 1977-04-12 | Nippon Ceramic Kk | High frequency speaker |
JPS5837200U (ja) * | 1981-09-03 | 1983-03-10 | フクビ化学工業株式会社 | 集積回路包装ケ−ス |
Also Published As
Publication number | Publication date |
---|---|
JPS628798U (pt-PT) | 1987-01-20 |
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