JPH0419917Y2 - - Google Patents
Info
- Publication number
- JPH0419917Y2 JPH0419917Y2 JP8900386U JP8900386U JPH0419917Y2 JP H0419917 Y2 JPH0419917 Y2 JP H0419917Y2 JP 8900386 U JP8900386 U JP 8900386U JP 8900386 U JP8900386 U JP 8900386U JP H0419917 Y2 JPH0419917 Y2 JP H0419917Y2
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric vibrating
- speaker
- elastic body
- porous elastic
- sound pressure
- 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
- 229920000642 polymer Polymers 0.000 description 11
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8900386U JPH0419917Y2 (pt) | 1986-06-10 | 1986-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8900386U JPH0419917Y2 (pt) | 1986-06-10 | 1986-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62201598U JPS62201598U (pt) | 1987-12-22 |
| JPH0419917Y2 true JPH0419917Y2 (pt) | 1992-05-07 |
Family
ID=30947590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8900386U Expired JPH0419917Y2 (pt) | 1986-06-10 | 1986-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419917Y2 (pt) |
-
1986
- 1986-06-10 JP JP8900386U patent/JPH0419917Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62201598U (pt) | 1987-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4439640A (en) | Piezoelectric loudspeaker | |
| US5142510A (en) | Acoustic transducer and method of making the same | |
| JPS59161800U (ja) | 超音波変換器 | |
| JPH0419917Y2 (pt) | ||
| JPS6248899A (ja) | スピ−カ | |
| JPH0568159B2 (pt) | ||
| JPH0419919Y2 (pt) | ||
| JPS6338640Y2 (pt) | ||
| JPS58184996U (ja) | 圧電形電気音響変換器 | |
| JPH0419920Y2 (pt) | ||
| JPH024552Y2 (pt) | ||
| JPH0446798U (pt) | ||
| JPS6316799A (ja) | 圧電スピ−カ | |
| JPS63312800A (ja) | 電気音響変換器 | |
| JPS6436195A (en) | Piezoelectric speaker | |
| JPS6316800A (ja) | 圧電スピ−カ | |
| JP2601650Y2 (ja) | 音響変換器 | |
| JPH0413914Y2 (pt) | ||
| JPH0567120B2 (pt) | ||
| JPS5941679Y2 (ja) | 電気音響変換器 | |
| JPS58125498U (ja) | 圧電型スピ−カ | |
| JPS5818038B2 (ja) | ムシコウセイスピ−カ | |
| JPS6029279Y2 (ja) | 圧電発音体 | |
| JPS6368298U (pt) | ||
| JPH0743016U (ja) | 圧電型スピーカ |