JPS6312397Y2 - - Google Patents
Info
- Publication number
- JPS6312397Y2 JPS6312397Y2 JP9592381U JP9592381U JPS6312397Y2 JP S6312397 Y2 JPS6312397 Y2 JP S6312397Y2 JP 9592381 U JP9592381 U JP 9592381U JP 9592381 U JP9592381 U JP 9592381U JP S6312397 Y2 JPS6312397 Y2 JP S6312397Y2
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric buzzer
- drive circuit
- resistor
- piezoelectric
- transistor
- 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
- 230000010355 oscillation Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Electromechanical Clocks (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9592381U JPS581998U (ja) | 1981-06-26 | 1981-06-26 | 圧電ブザ−駆動回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9592381U JPS581998U (ja) | 1981-06-26 | 1981-06-26 | 圧電ブザ−駆動回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS581998U JPS581998U (ja) | 1983-01-07 |
| JPS6312397Y2 true JPS6312397Y2 (enrdf_load_stackoverflow) | 1988-04-08 |
Family
ID=29890810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9592381U Granted JPS581998U (ja) | 1981-06-26 | 1981-06-26 | 圧電ブザ−駆動回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS581998U (enrdf_load_stackoverflow) |
-
1981
- 1981-06-26 JP JP9592381U patent/JPS581998U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS581998U (ja) | 1983-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4139842A (en) | Audible alarm unit | |
| JPS6312397Y2 (enrdf_load_stackoverflow) | ||
| KR900006062A (ko) | 초음파 와이어 본딩장치 | |
| JPH01132127U (enrdf_load_stackoverflow) | ||
| JPS5830392Y2 (ja) | 超音波セラミツクマイクロホン | |
| JP2659966B2 (ja) | 圧電信号発信装置 | |
| JPS6125039Y2 (enrdf_load_stackoverflow) | ||
| JPS6025104Y2 (ja) | 音響発生装置 | |
| JPH028442Y2 (enrdf_load_stackoverflow) | ||
| JPS6076400U (ja) | 圧電ブザ−駆動回路 | |
| JPS6229218A (ja) | 起動回路 | |
| JPS6068598U (ja) | 圧電ブザ−駆動回路 | |
| JPS59196281U (ja) | 音出し玩具 | |
| JPS59225603A (ja) | 発振回路 | |
| JPH0146076B2 (enrdf_load_stackoverflow) | ||
| JPS59180775U (ja) | 電気音響変換器の駆動回路 | |
| JPH0336993U (enrdf_load_stackoverflow) | ||
| JPS6429913U (enrdf_load_stackoverflow) | ||
| GB2205702A (en) | Oscillator circuit with temperature-independent frequency, amplitude | |
| JPS6429914U (enrdf_load_stackoverflow) | ||
| JPS6150582U (enrdf_load_stackoverflow) | ||
| JPS6257417U (enrdf_load_stackoverflow) | ||
| JPS59142830U (ja) | 電源イニシヤライズ信号発生回路 | |
| JPH036309U (enrdf_load_stackoverflow) | ||
| JPS60176499U (ja) | レゾナンス効果発生装置 |