JPS51134506A - Subscriber's circuit - Google Patents
Subscriber's circuitInfo
- Publication number
- JPS51134506A JPS51134506A JP5915275A JP5915275A JPS51134506A JP S51134506 A JPS51134506 A JP S51134506A JP 5915275 A JP5915275 A JP 5915275A JP 5915275 A JP5915275 A JP 5915275A JP S51134506 A JPS51134506 A JP S51134506A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- subscriber
- detection
- adoption
- economic
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits
Abstract
PURPOSE:Adoption of the economic photosynthesis element into the subscriber's circuit and integration of the call detection and the answer detection into one detection circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5915275A JPS51134506A (en) | 1975-05-16 | 1975-05-16 | Subscriber's circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5915275A JPS51134506A (en) | 1975-05-16 | 1975-05-16 | Subscriber's circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51134506A true JPS51134506A (en) | 1976-11-22 |
JPS5413323B2 JPS5413323B2 (en) | 1979-05-30 |
Family
ID=13105079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5915275A Granted JPS51134506A (en) | 1975-05-16 | 1975-05-16 | Subscriber's circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51134506A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5395509A (en) * | 1977-01-28 | 1978-08-21 | Western Electric Co | Telephone loop current detector |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3187106A (en) * | 1960-07-21 | 1965-06-01 | Int Standard Electric Corp | Telephone ring-trip arrangement |
US3838223A (en) * | 1973-10-01 | 1974-09-24 | Gte Automatic Electric Lab Inc | Ring trip and dial pulse detection circuit |
-
1975
- 1975-05-16 JP JP5915275A patent/JPS51134506A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3187106A (en) * | 1960-07-21 | 1965-06-01 | Int Standard Electric Corp | Telephone ring-trip arrangement |
US3838223A (en) * | 1973-10-01 | 1974-09-24 | Gte Automatic Electric Lab Inc | Ring trip and dial pulse detection circuit |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5395509A (en) * | 1977-01-28 | 1978-08-21 | Western Electric Co | Telephone loop current detector |
JPS576316B2 (en) * | 1977-01-28 | 1982-02-04 |
Also Published As
Publication number | Publication date |
---|---|
JPS5413323B2 (en) | 1979-05-30 |
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