JPH0136358Y2 - - Google Patents
Info
- Publication number
- JPH0136358Y2 JPH0136358Y2 JP3848584U JP3848584U JPH0136358Y2 JP H0136358 Y2 JPH0136358 Y2 JP H0136358Y2 JP 3848584 U JP3848584 U JP 3848584U JP 3848584 U JP3848584 U JP 3848584U JP H0136358 Y2 JPH0136358 Y2 JP H0136358Y2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- signal
- transistor
- circuit
- key operation
- 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 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Input From Keyboards Or The Like (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Noise Elimination (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3848584U JPS60150826U (ja) | 1984-03-17 | 1984-03-17 | キ−操作ベル音発生装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3848584U JPS60150826U (ja) | 1984-03-17 | 1984-03-17 | キ−操作ベル音発生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60150826U JPS60150826U (ja) | 1985-10-07 |
JPH0136358Y2 true JPH0136358Y2 (is") | 1989-11-06 |
Family
ID=30545540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3848584U Granted JPS60150826U (ja) | 1984-03-17 | 1984-03-17 | キ−操作ベル音発生装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60150826U (is") |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0424663Y2 (is") * | 1987-03-12 | 1992-06-11 |
-
1984
- 1984-03-17 JP JP3848584U patent/JPS60150826U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60150826U (ja) | 1985-10-07 |
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