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GB1074038A - Improvements in or relating to telecommunications exchange systems - Google Patents

Improvements in or relating to telecommunications exchange systems

Info

Publication number
GB1074038A
GB1074038A GB44710/65A GB4471065A GB1074038A GB 1074038 A GB1074038 A GB 1074038A GB 44710/65 A GB44710/65 A GB 44710/65A GB 4471065 A GB4471065 A GB 4471065A GB 1074038 A GB1074038 A GB 1074038A
Authority
GB
United Kingdom
Prior art keywords
exchange systems
relating
telecommunications exchange
oct
siemens
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
GB44710/65A
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of GB1074038A publication Critical patent/GB1074038A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54Circuit 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)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Exchange Systems With Centralized Control (AREA)

Abstract

1,074,038. Automatic exchange systems. SIEMENS A.G. Oct. 22, 1965 [Oct. 23, 1964], No. 44710/65. Heading H4K. In an exchange employing cross-point switches and a common circuit for identifying calling lines, if an outgoing line is required and no intermediate trunk is available, the common identifier is not taken into use.
GB44710/65A 1964-10-23 1965-10-22 Improvements in or relating to telecommunications exchange systems Expired GB1074038A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964S0093857 DE1257869C2 (en) 1964-10-23 1964-10-23 Circuit arrangement for centrally controlled telephone systems with coupling field technology

Publications (1)

Publication Number Publication Date
GB1074038A true GB1074038A (en) 1967-06-28

Family

ID=7518309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44710/65A Expired GB1074038A (en) 1964-10-23 1965-10-22 Improvements in or relating to telecommunications exchange systems

Country Status (6)

Country Link
BE (1) BE671297A (en)
CH (1) CH426949A (en)
DE (1) DE1257869C2 (en)
GB (1) GB1074038A (en)
NL (1) NL153754B (en)
SE (1) SE219597C1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE932248C (en) * 1953-09-01 1955-08-29 Siemens Ag Circuit arrangement for a three-fold preselection by means of relay selectors in telecommunications, in particular telephone systems

Also Published As

Publication number Publication date
DE1257869B (en) 1968-01-04
NL6513145A (en) 1966-04-25
DE1257869C2 (en) 1973-07-12
CH426949A (en) 1966-12-31
SE219597C1 (en) 1968-03-19
BE671297A (en) 1966-04-22
NL153754B (en) 1977-06-15

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