JPS6411184B2 - - Google Patents
Info
- Publication number
- JPS6411184B2 JPS6411184B2 JP17035780A JP17035780A JPS6411184B2 JP S6411184 B2 JPS6411184 B2 JP S6411184B2 JP 17035780 A JP17035780 A JP 17035780A JP 17035780 A JP17035780 A JP 17035780A JP S6411184 B2 JPS6411184 B2 JP S6411184B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- booster battery
- line
- subscriber
- exchange
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17035780A JPS5793765A (en) | 1980-12-03 | 1980-12-03 | Booster battery detecting system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17035780A JPS5793765A (en) | 1980-12-03 | 1980-12-03 | Booster battery detecting system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5793765A JPS5793765A (en) | 1982-06-10 |
JPS6411184B2 true JPS6411184B2 (en]) | 1989-02-23 |
Family
ID=15903428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17035780A Granted JPS5793765A (en) | 1980-12-03 | 1980-12-03 | Booster battery detecting system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5793765A (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0392481U (en]) * | 1990-01-09 | 1991-09-20 |
-
1980
- 1980-12-03 JP JP17035780A patent/JPS5793765A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0392481U (en]) * | 1990-01-09 | 1991-09-20 |
Also Published As
Publication number | Publication date |
---|---|
JPS5793765A (en) | 1982-06-10 |
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