GB1501291A - Telecommunications exchange having a line signalling bus external to its switching network - Google Patents

Telecommunications exchange having a line signalling bus external to its switching network

Info

Publication number
GB1501291A
GB1501291A GB8408/75A GB840875A GB1501291A GB 1501291 A GB1501291 A GB 1501291A GB 8408/75 A GB8408/75 A GB 8408/75A GB 840875 A GB840875 A GB 840875A GB 1501291 A GB1501291 A GB 1501291A
Authority
GB
United Kingdom
Prior art keywords
circuit
calling
junctors
processor
unit
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
GB8408/75A
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.)
Alcatel CIT SA
Nokia Inc
Original Assignee
Compagnie Industrielle de Telecommunication CIT Alcatel SA
Nokia Inc
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 Compagnie Industrielle de Telecommunication CIT Alcatel SA, Nokia Inc filed Critical Compagnie Industrielle de Telecommunication CIT Alcatel SA
Publication of GB1501291A publication Critical patent/GB1501291A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Telephonic Communication Services (AREA)
GB8408/75A 1974-03-07 1975-02-28 Telecommunications exchange having a line signalling bus external to its switching network Expired GB1501291A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7407793A FR2263655B1 (OSRAM) 1974-03-07 1974-03-07

Publications (1)

Publication Number Publication Date
GB1501291A true GB1501291A (en) 1978-02-15

Family

ID=9135978

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8408/75A Expired GB1501291A (en) 1974-03-07 1975-02-28 Telecommunications exchange having a line signalling bus external to its switching network

Country Status (9)

Country Link
BE (1) BE825401A (OSRAM)
CH (1) CH592993A5 (OSRAM)
DE (1) DE2509580A1 (OSRAM)
FR (1) FR2263655B1 (OSRAM)
GB (1) GB1501291A (OSRAM)
IE (1) IE40820B1 (OSRAM)
IT (1) IT1033155B (OSRAM)
NL (1) NL7502697A (OSRAM)
SE (1) SE7502447L (OSRAM)

Also Published As

Publication number Publication date
BE825401A (fr) 1975-08-11
SE7502447L (OSRAM) 1975-09-08
IT1033155B (it) 1979-07-10
IE40820B1 (en) 1979-08-29
CH592993A5 (OSRAM) 1977-11-15
FR2263655B1 (OSRAM) 1981-02-13
FR2263655A1 (OSRAM) 1975-10-03
DE2509580A1 (de) 1975-09-11
NL7502697A (nl) 1975-09-09
IE40820L (en) 1975-09-07

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee