ZA748185B - Telecommunication exchange systems - Google Patents
Telecommunication exchange systemsInfo
- Publication number
- ZA748185B ZA748185B ZA00748185A ZA748185A ZA748185B ZA 748185 B ZA748185 B ZA 748185B ZA 00748185 A ZA00748185 A ZA 00748185A ZA 748185 A ZA748185 A ZA 748185A ZA 748185 B ZA748185 B ZA 748185B
- Authority
- ZA
- South Africa
- Prior art keywords
- exchange systems
- telecommunication exchange
- telecommunication
- systems
- exchange
- Prior art date
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 (1)
Publication Number | Publication Date |
---|---|
ZA748185B true ZA748185B (en) | 1976-01-28 |
Family
ID=9696743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00748185A ZA748185B (en) | 1974-01-02 | 1974-12-23 | Telecommunication exchange systems |
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) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2367399A1 (fr) * | 1976-10-05 | 1978-05-05 | Materiel Telephonique | Central telephonique a commutation temporelle comportant un dispositif d'emission de signaux de service |
GB1583633A (en) * | 1977-03-02 | 1981-01-28 | Int Standard Electric Corp | Distributed control for switching system |
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 |
US4298977A (en) * | 1979-09-10 | 1981-11-03 | Bell Telephone Laboratories, Incorporated | Broadcast and alternate message time slot interchanger |
FR2467523A1 (fr) * | 1979-10-12 | 1981-04-17 | Thomson Csf | Systeme de controle d'un reseau de connexion |
US4296492A (en) * | 1979-12-26 | 1981-10-20 | Bell Telephone Laboratories, Incorporated | Continuity verification arrangement |
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 |
JPH04348630A (ja) * | 1991-05-27 | 1992-12-03 | Fujitsu Ltd | 信号の伝送監視が可能な直列/並列変換部及び並列/直列変換部を備えたディジタル信号伝送装置 |
ES2204907T3 (es) * | 1993-09-29 | 2004-05-01 | Siemens Aktiengesellschaft | Procedimiento para la verificacion de los elementos de conmutacion de una unidad de fases espaciales de una red de acoplamiento de una instalacion digital de conmutacion de telecomunicaciones en modo multiple por division de tiempo. |
-
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
Also Published As
Publication number | Publication date |
---|---|
FR2256616A1 (US06235095-20010522-C00021.png) | 1975-07-25 |
GB1450457A (en) | 1976-09-22 |
AU7702174A (en) | 1976-07-01 |
FR2256616B1 (US06235095-20010522-C00021.png) | 1983-02-25 |
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