JPH043489Y2 - - Google Patents
Info
- Publication number
- JPH043489Y2 JPH043489Y2 JP17891885U JP17891885U JPH043489Y2 JP H043489 Y2 JPH043489 Y2 JP H043489Y2 JP 17891885 U JP17891885 U JP 17891885U JP 17891885 U JP17891885 U JP 17891885U JP H043489 Y2 JPH043489 Y2 JP H043489Y2
- Authority
- JP
- Japan
- Prior art keywords
- variable capacitor
- plate
- rotor
- stator
- stator plate
- 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
- 239000003990 capacitor Substances 0.000 claims description 47
- 239000000758 substrate Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 description 7
- 125000006850 spacer group Chemical group 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 244000145845 chattering Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17891885U JPH043489Y2 (en]) | 1985-11-20 | 1985-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17891885U JPH043489Y2 (en]) | 1985-11-20 | 1985-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6287427U JPS6287427U (en]) | 1987-06-04 |
| JPH043489Y2 true JPH043489Y2 (en]) | 1992-02-04 |
Family
ID=31121502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17891885U Expired JPH043489Y2 (en]) | 1985-11-20 | 1985-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH043489Y2 (en]) |
-
1985
- 1985-11-20 JP JP17891885U patent/JPH043489Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6287427U (en]) | 1987-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103702268A (zh) | Mems麦克风 | |
| CN101883307A (zh) | 电容mems麦克风振膜 | |
| US20090086999A1 (en) | Acoustic Transducer and Microphone Using the Same | |
| WO2023245789A1 (zh) | 一种mems压电扬声器 | |
| JPH043489Y2 (en]) | ||
| JPS62213400A (ja) | コンデンサ形マイクロホン | |
| US2242756A (en) | Piezoelectric device | |
| JP2004032019A (ja) | コンデンサマイクロホン | |
| JPS6311713Y2 (en]) | ||
| JPS5855637Y2 (ja) | 小型バリコンのステ−タ板抑止構造 | |
| JPH0132736Y2 (en]) | ||
| JPS593561Y2 (ja) | 小型バリコン | |
| WO2022007010A1 (zh) | 用于 mems 麦克风的振膜及 mems 麦克风 | |
| JPH041727Y2 (en]) | ||
| TWI828327B (zh) | 寬頻高音質的壓電材料複合振膜聲學元件及其製造方法 | |
| JPH0353491Y2 (en]) | ||
| JP2001186594A (ja) | コンデンサマイクロホンの絶縁リング及びその固定方法 | |
| CN215818619U (zh) | Mems麦克风 | |
| JPS599517Y2 (ja) | 静電型音響−電気変換装置 | |
| JP2003244791A (ja) | 圧電フィルムスピーカ | |
| CN214429680U (zh) | 一种提升麦克风灵敏度和有效频宽的连接结构及麦克风 | |
| JPS626600A (ja) | 複合形圧電ブザ−振動板 | |
| JPH0419791Y2 (en]) | ||
| CN112804628A (zh) | Mems芯片及电子设备 | |
| KR20110096586A (ko) | 콘덴서형 마이크로폰의 스페이서 및 그 스페이서를 사용한 콘덴서형 마이크로폰 |