FR2335115A1 - Dispositif detecteur d'etat d'une ligne de telecommunication - Google Patents
Dispositif detecteur d'etat d'une ligne de telecommunicationInfo
- Publication number
- FR2335115A1 FR2335115A1 FR7537659A FR7537659A FR2335115A1 FR 2335115 A1 FR2335115 A1 FR 2335115A1 FR 7537659 A FR7537659 A FR 7537659A FR 7537659 A FR7537659 A FR 7537659A FR 2335115 A1 FR2335115 A1 FR 2335115A1
- Authority
- FR
- France
- Prior art keywords
- circuit
- photo
- line
- detecting unit
- set value
- 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
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0096—Trunk circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7537659A FR2335115A1 (fr) | 1975-12-09 | 1975-12-09 | Dispositif detecteur d'etat d'une ligne de telecommunication |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7537659A FR2335115A1 (fr) | 1975-12-09 | 1975-12-09 | Dispositif detecteur d'etat d'une ligne de telecommunication |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2335115A1 true FR2335115A1 (fr) | 1977-07-08 |
FR2335115B1 FR2335115B1 (fr) | 1981-05-29 |
Family
ID=9163510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7537659A Granted FR2335115A1 (fr) | 1975-12-09 | 1975-12-09 | Dispositif detecteur d'etat d'une ligne de telecommunication |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2335115A1 (fr) |
-
1975
- 1975-12-09 FR FR7537659A patent/FR2335115A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2335115B1 (fr) | 1981-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |