FR2256616A1 - - Google Patents
Info
- Publication number
- FR2256616A1 FR2256616A1 FR7443391A FR7443391A FR2256616A1 FR 2256616 A1 FR2256616 A1 FR 2256616A1 FR 7443391 A FR7443391 A FR 7443391A FR 7443391 A FR7443391 A FR 7443391A FR 2256616 A1 FR2256616 A1 FR 2256616A1
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1074*[A GB1450457A (en) | 1974-01-02 | 1974-01-02 | Telecommunication exchange systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2256616A1 true FR2256616A1 (US06235095-20010522-C00021.png) | 1975-07-25 |
| FR2256616B1 FR2256616B1 (US06235095-20010522-C00021.png) | 1983-02-25 |
Family
ID=9696743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7443391A Expired FR2256616B1 (US06235095-20010522-C00021.png) | 1974-01-02 | 1974-12-31 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR2256616B1 (US06235095-20010522-C00021.png) |
| GB (1) | GB1450457A (US06235095-20010522-C00021.png) |
| ZA (1) | ZA748185B (US06235095-20010522-C00021.png) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2382819A1 (fr) * | 1977-03-02 | 1978-09-29 | Int Standard Electric Corp | Systeme de commutation numerique a commande repartie |
| FR2409651A1 (fr) * | 1977-11-18 | 1979-06-15 | Constr Telephoniques | Dispositif de surveillance de chemins associe a un reseau de connexion a commutation temporelle de signaux codes |
| US4178483A (en) * | 1976-10-05 | 1979-12-11 | Le Material Telephonique | Time-division switching telephone exchange comprising a service signal sender |
| EP0027226A1 (fr) * | 1979-10-12 | 1981-04-22 | COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL S.A. dite: | Système de contrôle d'un réseau de connexion |
| FR2472895A1 (fr) * | 1979-12-26 | 1981-07-03 | Western Electric Co | Dispositif de verification de continuite pour un systeme de commutation telephonique |
| EP0516079A2 (en) * | 1991-05-27 | 1992-12-02 | Fujitsu Limited | Digital signal transmission system having monitor equipment |
| EP0645922A2 (de) * | 1993-09-29 | 1995-03-29 | Siemens Aktiengesellschaft | Verfahren zum Überprüfen der Durchschalteelemente einer Raumstufeneinheit eines Koppelnetzes einer digitalen Zeitmultiplex-Fernmeldevermittlungsanlage |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4298977A (en) * | 1979-09-10 | 1981-11-03 | Bell Telephone Laboratories, Incorporated | Broadcast and alternate message time slot interchanger |
| US4493073A (en) * | 1982-08-30 | 1985-01-08 | At&T Bell Laboratories | Maintenance of stored program controlled switching systems |
| CA1203875A (en) * | 1983-06-16 | 1986-04-29 | Mitel Corporation | Switching system loopback test circuit |
-
1974
- 1974-01-02 GB GB1074*[A patent/GB1450457A/en not_active Expired
- 1974-12-23 ZA ZA00748185A patent/ZA748185B/xx unknown
- 1974-12-31 FR FR7443391A patent/FR2256616B1/fr not_active Expired
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178483A (en) * | 1976-10-05 | 1979-12-11 | Le Material Telephonique | Time-division switching telephone exchange comprising a service signal sender |
| FR2382819A1 (fr) * | 1977-03-02 | 1978-09-29 | Int Standard Electric Corp | Systeme de commutation numerique a commande repartie |
| FR2409651A1 (fr) * | 1977-11-18 | 1979-06-15 | Constr Telephoniques | Dispositif de surveillance de chemins associe a un reseau de connexion a commutation temporelle de signaux codes |
| EP0027226A1 (fr) * | 1979-10-12 | 1981-04-22 | COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL S.A. dite: | Système de contrôle d'un réseau de connexion |
| FR2472895A1 (fr) * | 1979-12-26 | 1981-07-03 | Western Electric Co | Dispositif de verification de continuite pour un systeme de commutation telephonique |
| EP0516079A2 (en) * | 1991-05-27 | 1992-12-02 | Fujitsu Limited | Digital signal transmission system having monitor equipment |
| EP0516079A3 (en) * | 1991-05-27 | 1996-10-30 | Fujitsu Ltd | Digital signal transmission system having monitor equipment |
| EP0645922A2 (de) * | 1993-09-29 | 1995-03-29 | Siemens Aktiengesellschaft | Verfahren zum Überprüfen der Durchschalteelemente einer Raumstufeneinheit eines Koppelnetzes einer digitalen Zeitmultiplex-Fernmeldevermittlungsanlage |
| EP0645922A3 (de) * | 1993-09-29 | 1997-06-11 | Siemens Ag | Verfahren zum Überprüfen der Durchschalteelemente einer Raumstufeneinheit eines Koppelnetzes einer digitalen Zeitmultiplex-Fernmeldevermittlungsanlage. |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA748185B (en) | 1976-01-28 |
| GB1450457A (en) | 1976-09-22 |
| AU7702174A (en) | 1976-07-01 |
| FR2256616B1 (US06235095-20010522-C00021.png) | 1983-02-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| TP | Transmission of property | ||
| CD | Change of name or company name | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |