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 (ko) | 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 (ko) |
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 |
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