JPH0139025Y2 - - Google Patents
Info
- Publication number
- JPH0139025Y2 JPH0139025Y2 JP15507681U JP15507681U JPH0139025Y2 JP H0139025 Y2 JPH0139025 Y2 JP H0139025Y2 JP 15507681 U JP15507681 U JP 15507681U JP 15507681 U JP15507681 U JP 15507681U JP H0139025 Y2 JPH0139025 Y2 JP H0139025Y2
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- switch
- button
- diode
- semiconductor element
- 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 48
- 238000011084 recovery Methods 0.000 claims description 25
- 239000004065 semiconductor Substances 0.000 claims description 14
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15507681U JPS5859260U (ja) | 1981-10-19 | 1981-10-19 | ボタン電話機のボタン自動復旧装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15507681U JPS5859260U (ja) | 1981-10-19 | 1981-10-19 | ボタン電話機のボタン自動復旧装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5859260U JPS5859260U (ja) | 1983-04-21 |
| JPH0139025Y2 true JPH0139025Y2 (enrdf_load_html_response) | 1989-11-21 |
Family
ID=29947654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15507681U Granted JPS5859260U (ja) | 1981-10-19 | 1981-10-19 | ボタン電話機のボタン自動復旧装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5859260U (enrdf_load_html_response) |
-
1981
- 1981-10-19 JP JP15507681U patent/JPS5859260U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5859260U (ja) | 1983-04-21 |
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