JPH0318385B2 - - Google Patents
Info
- Publication number
- JPH0318385B2 JPH0318385B2 JP61106247A JP10624786A JPH0318385B2 JP H0318385 B2 JPH0318385 B2 JP H0318385B2 JP 61106247 A JP61106247 A JP 61106247A JP 10624786 A JP10624786 A JP 10624786A JP H0318385 B2 JPH0318385 B2 JP H0318385B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- contact
- closed
- series
- polarity
- 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
- 238000001514 detection method Methods 0.000 claims description 11
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61106247A JPS62262550A (ja) | 1986-05-08 | 1986-05-08 | ブランチ電話機使用中検出回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61106247A JPS62262550A (ja) | 1986-05-08 | 1986-05-08 | ブランチ電話機使用中検出回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62262550A JPS62262550A (ja) | 1987-11-14 |
| JPH0318385B2 true JPH0318385B2 (en:Method) | 1991-03-12 |
Family
ID=14428777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61106247A Granted JPS62262550A (ja) | 1986-05-08 | 1986-05-08 | ブランチ電話機使用中検出回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62262550A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839561B (zh) * | 2017-11-27 | 2021-07-16 | 中国航空工业集团公司西安航空计算技术研究所 | 一种具有状态检测功能的开关信号采集电路 |
-
1986
- 1986-05-08 JP JP61106247A patent/JPS62262550A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62262550A (ja) | 1987-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0318385B2 (en:Method) | ||
| JPH0252468B2 (en:Method) | ||
| JPH0354451Y2 (en:Method) | ||
| JP2731247B2 (ja) | 網制御装置 | |
| JPH0418283Y2 (en:Method) | ||
| JP2731248B2 (ja) | 網制御装置 | |
| JPS646618Y2 (en:Method) | ||
| JP3228636B2 (ja) | 端末網制御装置 | |
| KR920007149B1 (ko) | 원격지 모니터링 시스템의 인터페이스 회로 | |
| JP2840116B2 (ja) | ダイヤルイン着呼受信装置 | |
| JPH0326712Y2 (en:Method) | ||
| US5991386A (en) | Method and arrangement for the connection of multiple terminals to one subscriber line of the telephone network, and a terminal | |
| JP2859908B2 (ja) | 網制御装置 | |
| JP2654039B2 (ja) | インターフェイス回路 | |
| JPS6361822B2 (en:Method) | ||
| JPS6358420B2 (en:Method) | ||
| JPH069398B2 (ja) | 発着信衝突検出回路 | |
| JP2502506B2 (ja) | 網制御回路 | |
| JP2984431B2 (ja) | 網制御装置 | |
| JP3710006B2 (ja) | 電話回線の極性検出回路 | |
| JPH0993311A (ja) | Dc負荷保護回路 | |
| JPH0754942B2 (ja) | 端末機器の着信検出回路 | |
| JPH0646755B2 (ja) | 網制御装置 | |
| JPS61112467A (ja) | 網制御装置の誤起動防止回路 | |
| JPH0329221B2 (en:Method) |