JPH0163299U - - Google Patents
Info
- Publication number
- JPH0163299U JPH0163299U JP1987157195U JP15719587U JPH0163299U JP H0163299 U JPH0163299 U JP H0163299U JP 1987157195 U JP1987157195 U JP 1987157195U JP 15719587 U JP15719587 U JP 15719587U JP H0163299 U JPH0163299 U JP H0163299U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- metal plate
- protruding
- metal foil
- piezoelectric 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.)
- Pending
Links
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157195U JPH0163299U (Sortimente) | 1987-10-14 | 1987-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157195U JPH0163299U (Sortimente) | 1987-10-14 | 1987-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0163299U true JPH0163299U (Sortimente) | 1989-04-24 |
Family
ID=31436425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987157195U Pending JPH0163299U (Sortimente) | 1987-10-14 | 1987-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0163299U (Sortimente) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5725797A (en) * | 1980-07-24 | 1982-02-10 | Nippon Telegr & Teleph Corp <Ntt> | Piezoelectric electroacoustic transducer |
-
1987
- 1987-10-14 JP JP1987157195U patent/JPH0163299U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5725797A (en) * | 1980-07-24 | 1982-02-10 | Nippon Telegr & Teleph Corp <Ntt> | Piezoelectric electroacoustic transducer |