JPS63263900A - 圧電スピ−カ - Google Patents
圧電スピ−カInfo
- Publication number
- JPS63263900A JPS63263900A JP9831187A JP9831187A JPS63263900A JP S63263900 A JPS63263900 A JP S63263900A JP 9831187 A JP9831187 A JP 9831187A JP 9831187 A JP9831187 A JP 9831187A JP S63263900 A JPS63263900 A JP S63263900A
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- sound pressure
- density
- diameter
- piezoelectric
- 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.)
- Granted
Links
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000004698 Polyethylene Substances 0.000 claims abstract description 4
- -1 polyethylene Polymers 0.000 claims abstract description 4
- 229920000573 polyethylene Polymers 0.000 claims abstract description 4
- 229920006248 expandable polystyrene Polymers 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 239000010985 leather Substances 0.000 abstract description 2
- 239000005060 rubber Substances 0.000 abstract description 2
- 238000005187 foaming Methods 0.000 abstract 4
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9831187A JPS63263900A (ja) | 1987-04-21 | 1987-04-21 | 圧電スピ−カ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9831187A JPS63263900A (ja) | 1987-04-21 | 1987-04-21 | 圧電スピ−カ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63263900A true JPS63263900A (ja) | 1988-10-31 |
| JPH0567120B2 JPH0567120B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-09-24 |
Family
ID=14216378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9831187A Granted JPS63263900A (ja) | 1987-04-21 | 1987-04-21 | 圧電スピ−カ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63263900A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6285770B1 (en) * | 1995-09-02 | 2001-09-04 | New Transducers Limited | Noticeboards incorporating loudspeakers |
| US6396197B1 (en) * | 1995-12-22 | 2002-05-28 | Speaker Acquisition Sub, A Cayman Island Corporation | Piezoelectric speaker |
| JP2003520540A (ja) * | 2000-01-24 | 2003-07-02 | ニュー トランスデューサーズ リミテッド | 変換器 |
-
1987
- 1987-04-21 JP JP9831187A patent/JPS63263900A/ja active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6285770B1 (en) * | 1995-09-02 | 2001-09-04 | New Transducers Limited | Noticeboards incorporating loudspeakers |
| US6396197B1 (en) * | 1995-12-22 | 2002-05-28 | Speaker Acquisition Sub, A Cayman Island Corporation | Piezoelectric speaker |
| US6674219B1 (en) | 1995-12-22 | 2004-01-06 | Speaker Acquisition Sub | Piezoelectric speaker |
| JP2003520540A (ja) * | 2000-01-24 | 2003-07-02 | ニュー トランスデューサーズ リミテッド | 変換器 |
| JP4768949B2 (ja) * | 2000-01-24 | 2011-09-07 | ニュー トランスデューサーズ リミテッド | 変換器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0567120B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-09-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |