JPH0233278Y2 - - Google Patents
Info
- Publication number
- JPH0233278Y2 JPH0233278Y2 JP7844081U JP7844081U JPH0233278Y2 JP H0233278 Y2 JPH0233278 Y2 JP H0233278Y2 JP 7844081 U JP7844081 U JP 7844081U JP 7844081 U JP7844081 U JP 7844081U JP H0233278 Y2 JPH0233278 Y2 JP H0233278Y2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power supply
- piezoelectric buzzer
- capacitor
- terminal
- 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 43
- 230000010355 oscillation Effects 0.000 claims description 19
- 238000010586 diagram Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7844081U JPH0233278Y2 (en]) | 1981-05-29 | 1981-05-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7844081U JPH0233278Y2 (en]) | 1981-05-29 | 1981-05-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57192596U JPS57192596U (en]) | 1982-12-06 |
JPH0233278Y2 true JPH0233278Y2 (en]) | 1990-09-07 |
Family
ID=29874070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7844081U Expired JPH0233278Y2 (en]) | 1981-05-29 | 1981-05-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0233278Y2 (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007286789A (ja) * | 2006-04-14 | 2007-11-01 | Yazaki Corp | 警報器 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5739386B2 (ja) * | 2012-07-27 | 2015-06-24 | 彦翔 連 | 電気ホイッスル |
-
1981
- 1981-05-29 JP JP7844081U patent/JPH0233278Y2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007286789A (ja) * | 2006-04-14 | 2007-11-01 | Yazaki Corp | 警報器 |
Also Published As
Publication number | Publication date |
---|---|
JPS57192596U (en]) | 1982-12-06 |
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