JPS6224988Y2 - - Google Patents
Info
- Publication number
- JPS6224988Y2 JPS6224988Y2 JP7092580U JP7092580U JPS6224988Y2 JP S6224988 Y2 JPS6224988 Y2 JP S6224988Y2 JP 7092580 U JP7092580 U JP 7092580U JP 7092580 U JP7092580 U JP 7092580U JP S6224988 Y2 JPS6224988 Y2 JP S6224988Y2
- Authority
- JP
- Japan
- Prior art keywords
- relay
- contact
- signal
- series
- break
- 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
- 238000010586 diagram Methods 0.000 description 4
- 230000011664 signaling Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7092580U JPS6224988Y2 (enExample) | 1980-05-23 | 1980-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7092580U JPS6224988Y2 (enExample) | 1980-05-23 | 1980-05-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56174242U JPS56174242U (enExample) | 1981-12-23 |
| JPS6224988Y2 true JPS6224988Y2 (enExample) | 1987-06-26 |
Family
ID=29435254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7092580U Expired JPS6224988Y2 (enExample) | 1980-05-23 | 1980-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6224988Y2 (enExample) |
-
1980
- 1980-05-23 JP JP7092580U patent/JPS6224988Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56174242U (enExample) | 1981-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4113990A (en) | Signal sending control system | |
| JPS6224988Y2 (enExample) | ||
| US3969591A (en) | Circuit for preventing impulse generation by operating a hook switch in a telephone set | |
| JPS58124358A (ja) | 拡声受話状態切替方式 | |
| GB534866A (en) | Improvements relating to telephone and like signalling systems | |
| US4234762A (en) | Ring trip detector circuit | |
| US3576401A (en) | Bridging units for terminating leased lines in telephone line circuits | |
| JPS61103356A (ja) | ボタン電話装置 | |
| JPS6019412Y2 (ja) | 停電時着信表示回路 | |
| SU96880A1 (ru) | Способ управлени переключателем направлений в АТС | |
| JPS5940342B2 (ja) | インタ−ホン装置 | |
| JPS5914953B2 (ja) | 継電器駆動回路 | |
| JPS6114204Y2 (enExample) | ||
| JPS58142659A (ja) | ダイヤル信号発信回路 | |
| JPS6013559B2 (ja) | 自動電話交換機のセンダ制御方式 | |
| JPH0131359B2 (enExample) | ||
| JPS6227585B2 (enExample) | ||
| GB1130982A (en) | Improvements in or relating to telecommunications exchange systems | |
| JPS558170A (en) | Network control unit | |
| JPS6155821B2 (enExample) | ||
| JPS5792962A (en) | Interface circuit | |
| KR960027475A (ko) | 동기 및 루프스위칭회로 | |
| JPH0465963A (ja) | 網制御回路 | |
| KR930022807A (ko) | U인터페이스 디지탈 전화기의 교환기 대용회로 | |
| JPH07240789A (ja) | 電話交換システムの呼出信号作成装置 |