JPS5630390A - Subscriber's grounding detecting circuit - Google Patents
Subscriber's grounding detecting circuitInfo
- Publication number
- JPS5630390A JPS5630390A JP10623979A JP10623979A JPS5630390A JP S5630390 A JPS5630390 A JP S5630390A JP 10623979 A JP10623979 A JP 10623979A JP 10623979 A JP10623979 A JP 10623979A JP S5630390 A JPS5630390 A JP S5630390A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- subscriber
- call
- detection
- potential
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10623979A JPS5630390A (en) | 1979-08-21 | 1979-08-21 | Subscriber's grounding detecting circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10623979A JPS5630390A (en) | 1979-08-21 | 1979-08-21 | Subscriber's grounding detecting circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5630390A true JPS5630390A (en) | 1981-03-26 |
JPS6362953B2 JPS6362953B2 (ja) | 1988-12-05 |
Family
ID=14428557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10623979A Granted JPS5630390A (en) | 1979-08-21 | 1979-08-21 | Subscriber's grounding detecting circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5630390A (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52126109A (en) * | 1976-04-15 | 1977-10-22 | Nec Corp | Line signal watch circuit |
-
1979
- 1979-08-21 JP JP10623979A patent/JPS5630390A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52126109A (en) * | 1976-04-15 | 1977-10-22 | Nec Corp | Line signal watch circuit |
Also Published As
Publication number | Publication date |
---|---|
JPS6362953B2 (ja) | 1988-12-05 |
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