FR2290810A1 - Autocommutateur a capacite variable et procede de commutation automatique pour l'etablissement de liaisons telephoniques - Google Patents
Autocommutateur a capacite variable et procede de commutation automatique pour l'etablissement de liaisons telephoniquesInfo
- Publication number
- FR2290810A1 FR2290810A1 FR7441040A FR7441040A FR2290810A1 FR 2290810 A1 FR2290810 A1 FR 2290810A1 FR 7441040 A FR7441040 A FR 7441040A FR 7441040 A FR7441040 A FR 7441040A FR 2290810 A1 FR2290810 A1 FR 2290810A1
- Authority
- FR
- France
- Prior art keywords
- variable
- switching
- demodulation
- line
- variable capacity
- 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
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000006880 cross-coupling reaction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radio Relay Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7441040A FR2290810A1 (fr) | 1974-11-07 | 1974-11-07 | Autocommutateur a capacite variable et procede de commutation automatique pour l'etablissement de liaisons telephoniques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7441040A FR2290810A1 (fr) | 1974-11-07 | 1974-11-07 | Autocommutateur a capacite variable et procede de commutation automatique pour l'etablissement de liaisons telephoniques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2290810A1 true FR2290810A1 (fr) | 1976-06-04 |
| FR2290810B1 FR2290810B1 (enExample) | 1979-08-03 |
Family
ID=9146091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7441040A Granted FR2290810A1 (fr) | 1974-11-07 | 1974-11-07 | Autocommutateur a capacite variable et procede de commutation automatique pour l'etablissement de liaisons telephoniques |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2290810A1 (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2607853A (en) * | 1947-01-27 | 1952-08-19 | British Telecomm Res Ltd | Telecommunication system |
| US3475561A (en) * | 1965-09-29 | 1969-10-28 | Superior Continental Corp | Telephone carrier system having selfcontained independently attachable line tap units |
-
1974
- 1974-11-07 FR FR7441040A patent/FR2290810A1/fr active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2607853A (en) * | 1947-01-27 | 1952-08-19 | British Telecomm Res Ltd | Telecommunication system |
| US3475561A (en) * | 1965-09-29 | 1969-10-28 | Superior Continental Corp | Telephone carrier system having selfcontained independently attachable line tap units |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2290810B1 (enExample) | 1979-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |