GB1450457A - Telecommunication exchange systems - Google Patents

Telecommunication exchange systems

Info

Publication number
GB1450457A
GB1450457A GB1074*[A GB1074A GB1450457A GB 1450457 A GB1450457 A GB 1450457A GB 1074 A GB1074 A GB 1074A GB 1450457 A GB1450457 A GB 1450457A
Authority
GB
United Kingdom
Prior art keywords
check
master
equipment
slave
path
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.)
Expired
Application number
GB1074*[A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Healthcare UK Ltd
Original Assignee
GE Healthcare UK Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GE Healthcare UK Ltd filed Critical GE Healthcare UK Ltd
Priority to GB1074*[A priority Critical patent/GB1450457A/en
Priority to ZA00748185A priority patent/ZA748185B/xx
Priority to FR7443391A priority patent/FR2256616B1/fr
Priority to AU77021/74A priority patent/AU494536B2/en
Publication of GB1450457A publication Critical patent/GB1450457A/en
Expired legal-status Critical Current

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)
GB1074*[A 1974-01-02 1974-01-02 Telecommunication exchange systems Expired GB1450457A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1074*[A GB1450457A (en) 1974-01-02 1974-01-02 Telecommunication exchange systems
ZA00748185A ZA748185B (en) 1974-01-02 1974-12-23 Telecommunication exchange systems
FR7443391A FR2256616B1 (enExample) 1974-01-02 1974-12-31
AU77021/74A AU494536B2 (en) 1974-01-02 1974-12-31 Telecommunication exchange systems

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
GB1450457A true GB1450457A (en) 1976-09-22

Family

ID=9696743

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1074*[A Expired GB1450457A (en) 1974-01-02 1974-01-02 Telecommunication exchange systems

Country Status (3)

Country Link
FR (1) FR2256616B1 (enExample)
GB (1) GB1450457A (enExample)
ZA (1) ZA748185B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0025225A1 (en) * 1979-09-10 1981-03-18 Western Electric Company, Incorporated Broadcast and alternate message time slot interchanger
GB2126050A (en) * 1982-08-30 1984-03-14 Western Electric Co Maintenance of stored program controlled switching systems
GB2141606A (en) * 1983-06-16 1984-12-19 Mitel Corp Switching system loopback test circuit

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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
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
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
EP0645922B1 (de) * 1993-09-29 2003-08-20 Siemens Aktiengesellschaft Verfahren zum Überprüfen der Durchschalteelemente einer Raumstufeneinheit eines Koppelnetzes einer digitalen Zeitmultiplex-Fernmeldevermittlungsanlage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0025225A1 (en) * 1979-09-10 1981-03-18 Western Electric Company, Incorporated Broadcast and alternate message time slot interchanger
GB2126050A (en) * 1982-08-30 1984-03-14 Western Electric Co Maintenance of stored program controlled switching systems
GB2141606A (en) * 1983-06-16 1984-12-19 Mitel Corp Switching system loopback test circuit

Also Published As

Publication number Publication date
ZA748185B (en) 1976-01-28
AU7702174A (en) 1976-07-01
FR2256616A1 (enExample) 1975-07-25
FR2256616B1 (enExample) 1983-02-25

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Legal Events

Date Code Title Description
PS Patent sealed
48S Specification amended (sect. 8/1949)
SP Amendment (slips) printed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921231