FR2296324B1 - - Google Patents
Info
- Publication number
- FR2296324B1 FR2296324B1 FR7443182A FR7443182A FR2296324B1 FR 2296324 B1 FR2296324 B1 FR 2296324B1 FR 7443182 A FR7443182 A FR 7443182A FR 7443182 A FR7443182 A FR 7443182A FR 2296324 B1 FR2296324 B1 FR 2296324B1
- Authority
- FR
- France
- 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
- H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7443182A FR2296324A1 (fr) | 1974-12-27 | 1974-12-27 | Dispositif d'appel perfectionne pour installations de telephonie |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7443182A FR2296324A1 (fr) | 1974-12-27 | 1974-12-27 | Dispositif d'appel perfectionne pour installations de telephonie |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2296324A1 FR2296324A1 (fr) | 1976-07-23 |
FR2296324B1 true FR2296324B1 (ja) | 1977-07-01 |
Family
ID=9146718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7443182A Granted FR2296324A1 (fr) | 1974-12-27 | 1974-12-27 | Dispositif d'appel perfectionne pour installations de telephonie |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2296324A1 (ja) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL272337A (ja) * | 1960-12-23 | |||
BE627154A (ja) * | 1962-01-26 | |||
FR1408908A (fr) * | 1964-07-09 | 1965-08-20 | Cit Alcatel | Dispositif photo-électronique |
FR2131038A5 (ja) * | 1971-03-30 | 1972-11-10 | Ass Ouvriers Instr Preci | |
BE791415A (fr) * | 1971-11-17 | 1973-05-16 | Int Standard Electric Corp | Circuit d'arret de sonnerie |
-
1974
- 1974-12-27 FR FR7443182A patent/FR2296324A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2296324A1 (fr) | 1976-07-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |