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 (en) |
GB (1) | GB1450457A (en) |
ZA (1) | ZA748185B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2367399A1 (en) * | 1976-10-05 | 1978-05-05 | Materiel Telephonique | TIME-SWITCHED TELEPHONE CENTER WITH A DEVICE FOR SENDING SERVICE SIGNALS |
GB1583633A (en) * | 1977-03-02 | 1981-01-28 | Int Standard Electric Corp | Distributed control for switching system |
FR2409651A1 (en) * | 1977-11-18 | 1979-06-15 | Constr Telephoniques | PATH MONITORING DEVICE ASSOCIATED WITH A TIME SWITCHING CONNECTION NETWORK OF CODED SIGNALS |
US4298977A (en) * | 1979-09-10 | 1981-11-03 | Bell Telephone Laboratories, Incorporated | Broadcast and alternate message time slot interchanger |
FR2467523A1 (en) * | 1979-10-12 | 1981-04-17 | Thomson Csf | SYSTEM FOR CONTROLLING A CONNECTION NETWORK |
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 (en) * | 1991-05-27 | 1992-12-03 | Fujitsu Ltd | Digital signal transmitter provided with serial/parallel conversion section and parallel/serial conversion section capable of monitoring sent signal |
ATE247884T1 (en) * | 1993-09-29 | 2003-09-15 | Siemens Ag | METHOD FOR CHECKING THE CONNECTION ELEMENTS OF A SPACE STEP UNIT OF A SWITCHING NETWORK OF A DIGITAL TIME MULTIPLEX TELECOMMUNICATION SYSTEM |
-
1974
- 1974-01-02 GB GB1074*[A patent/GB1450457A/en not_active Expired
- 1974-12-23 ZA ZA00748185A patent/ZA748185B/en unknown
- 1974-12-31 FR FR7443391A patent/FR2256616B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2256616A1 (en) | 1975-07-25 |
GB1450457A (en) | 1976-09-22 |
FR2256616B1 (en) | 1983-02-25 |
AU7702174A (en) | 1976-07-01 |
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