JPH0370958B2 - - Google Patents
Info
- Publication number
- JPH0370958B2 JPH0370958B2 JP15418885A JP15418885A JPH0370958B2 JP H0370958 B2 JPH0370958 B2 JP H0370958B2 JP 15418885 A JP15418885 A JP 15418885A JP 15418885 A JP15418885 A JP 15418885A JP H0370958 B2 JPH0370958 B2 JP H0370958B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- resistor
- subscriber
- circuit
- comparator
- 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 32
- 239000003990 capacitor Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15418885A JPS6215999A (ja) | 1985-07-15 | 1985-07-15 | 自動交換機の加入者状態検出回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15418885A JPS6215999A (ja) | 1985-07-15 | 1985-07-15 | 自動交換機の加入者状態検出回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6215999A JPS6215999A (ja) | 1987-01-24 |
| JPH0370958B2 true JPH0370958B2 (en:Method) | 1991-11-11 |
Family
ID=15578758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15418885A Granted JPS6215999A (ja) | 1985-07-15 | 1985-07-15 | 自動交換機の加入者状態検出回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6215999A (en:Method) |
-
1985
- 1985-07-15 JP JP15418885A patent/JPS6215999A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6215999A (ja) | 1987-01-24 |
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