JPH0221840Y2 - - Google Patents
Info
- Publication number
- JPH0221840Y2 JPH0221840Y2 JP1955585U JP1955585U JPH0221840Y2 JP H0221840 Y2 JPH0221840 Y2 JP H0221840Y2 JP 1955585 U JP1955585 U JP 1955585U JP 1955585 U JP1955585 U JP 1955585U JP H0221840 Y2 JPH0221840 Y2 JP H0221840Y2
- Authority
- JP
- Japan
- Prior art keywords
- printed wiring
- wiring board
- magnetic field
- piezoelectric vibrator
- generating coil
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011889 copper foil Substances 0.000 claims description 5
- 230000006870 function Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- 208000032041 Hearing impaired Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010370 hearing loss Effects 0.000 description 1
- 231100000888 hearing loss Toxicity 0.000 description 1
- 208000016354 hearing loss disease Diseases 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1955585U JPH0221840Y2 (US06521211-20030218-C00004.png) | 1985-02-14 | 1985-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1955585U JPH0221840Y2 (US06521211-20030218-C00004.png) | 1985-02-14 | 1985-02-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61136697U JPS61136697U (US06521211-20030218-C00004.png) | 1986-08-25 |
| JPH0221840Y2 true JPH0221840Y2 (US06521211-20030218-C00004.png) | 1990-06-12 |
Family
ID=30509237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1955585U Expired JPH0221840Y2 (US06521211-20030218-C00004.png) | 1985-02-14 | 1985-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221840Y2 (US06521211-20030218-C00004.png) |
-
1985
- 1985-02-14 JP JP1955585U patent/JPH0221840Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61136697U (US06521211-20030218-C00004.png) | 1986-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10057691B2 (en) | Miniature sounder | |
| CN212259333U (zh) | 硅基麦克风装置及电子设备 | |
| US4845776A (en) | Piezoelectric transducer and transformer circuit | |
| CN217116394U (zh) | 发声器件 | |
| JPH0221840Y2 (US06521211-20030218-C00004.png) | ||
| JP3158850B2 (ja) | マイクロフォン | |
| JP2023530638A (ja) | シリコンベースマイクロフォン装置及び電子機器 | |
| JP2006166151A (ja) | ステレオ用スピーカ | |
| JPS626400B2 (US06521211-20030218-C00004.png) | ||
| CN217721472U (zh) | 发声器件 | |
| JPH054394Y2 (US06521211-20030218-C00004.png) | ||
| CN213661921U (zh) | 发声器件 | |
| JPH07107593A (ja) | 電気音響変換器 | |
| CN217693701U (zh) | 发声器件 | |
| JPS5822388Y2 (ja) | 電気−音響相互変換器 | |
| JP2508675Y2 (ja) | 圧電スピ―カ | |
| JP2921297B2 (ja) | 電気音響変換器 | |
| JP2528260Y2 (ja) | 小形電気音響変換器のフレーム構造 | |
| JPH0721037Y2 (ja) | 動電型スピーカ | |
| JPH0744158Y2 (ja) | 圧電形電気音響変換器 | |
| JPH046287Y2 (US06521211-20030218-C00004.png) | ||
| JPS59126400A (ja) | 電話機用送受話器 | |
| JPH0744157Y2 (ja) | 圧電形電気音響変換器 | |
| JP2000184495A (ja) | 圧電音響装置 | |
| JPS63113350U (US06521211-20030218-C00004.png) |
