GB1455437A - Line control circuit - Google Patents

Line control circuit

Info

Publication number
GB1455437A
GB1455437A GB5653973A GB5653973A GB1455437A GB 1455437 A GB1455437 A GB 1455437A GB 5653973 A GB5653973 A GB 5653973A GB 5653973 A GB5653973 A GB 5653973A GB 1455437 A GB1455437 A GB 1455437A
Authority
GB
United Kingdom
Prior art keywords
conductor
transistor
line circuits
indicates
current source
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
GB5653973A
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.)
Control Networks Corp
Original Assignee
Control Networks 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 Control Networks Corp filed Critical Control Networks Corp
Publication of GB1455437A publication Critical patent/GB1455437A/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
    • H04Q3/52Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Electronic Switches (AREA)
GB5653973A 1973-06-21 1973-12-06 Line control circuit Expired GB1455437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US372224A US3864530A (en) 1973-06-21 1973-06-21 Line control circuit

Publications (1)

Publication Number Publication Date
GB1455437A true GB1455437A (en) 1976-11-10

Family

ID=23467227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5653973A Expired GB1455437A (en) 1973-06-21 1973-12-06 Line control circuit

Country Status (8)

Country Link
US (1) US3864530A (enExample)
JP (1) JPS5049906A (enExample)
DE (1) DE2364146A1 (enExample)
FR (1) FR2234727B3 (enExample)
GB (1) GB1455437A (enExample)
IT (1) IT1008679B (enExample)
NL (1) NL7315865A (enExample)
SE (1) SE7315044L (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS576833B2 (enExample) * 1974-12-20 1982-02-06

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1293441A (en) * 1970-04-08 1972-10-18 Plessey Co Ltd Supervision of the control of telecommunications switching networks
US3694812A (en) * 1971-08-20 1972-09-26 Nippon Electric Co Switching circuit having a controllable semiconductor switching element and a switching matrix employing the switching circuit
US3781484A (en) * 1971-12-23 1973-12-25 Gte Automatic Electric Lab Inc Path selection technique for electronic switching network

Also Published As

Publication number Publication date
SE7315044L (enExample) 1974-12-23
NL7315865A (enExample) 1974-12-24
DE2364146A1 (de) 1975-01-16
JPS5049906A (enExample) 1975-05-06
FR2234727A1 (enExample) 1975-01-17
FR2234727B3 (enExample) 1976-10-15
US3864530A (en) 1975-02-04
IT1008679B (it) 1976-11-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee