BE879450A - Circuit de commutation a relais a faible consommation de puissance - Google Patents

Circuit de commutation a relais a faible consommation de puissance

Info

Publication number
BE879450A
BE879450A BE2/58138A BE2058138A BE879450A BE 879450 A BE879450 A BE 879450A BE 2/58138 A BE2/58138 A BE 2/58138A BE 2058138 A BE2058138 A BE 2058138A BE 879450 A BE879450 A BE 879450A
Authority
BE
Belgium
Prior art keywords
power consumption
low power
switching circuit
relay switching
consumption relay
Prior art date
Application number
BE2/58138A
Other languages
English (en)
Inventor
Huan-Tong-Yang
Original Assignee
Gte Automatic Electric Lab 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 Gte Automatic Electric Lab Inc filed Critical Gte Automatic Electric Lab Inc
Publication of BE879450A publication Critical patent/BE879450A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE2/58138A 1978-12-26 1979-10-17 Circuit de commutation a relais a faible consommation de puissance BE879450A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/972,747 US4204241A (en) 1978-12-26 1978-12-26 Low power consumption relay switching circuit for use in conjunction with a line test trunk interfacing to a test desk

Publications (1)

Publication Number Publication Date
BE879450A true BE879450A (fr) 1980-02-15

Family

ID=25520067

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/58138A BE879450A (fr) 1978-12-26 1979-10-17 Circuit de commutation a relais a faible consommation de puissance

Country Status (4)

Country Link
US (1) US4204241A (fr)
BE (1) BE879450A (fr)
CA (1) CA1128628A (fr)
IT (1) IT1127694B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551671A (en) * 1983-06-23 1985-11-05 International Business Machines Corp. Terminal disconnect and media wire fault detect mechanism
US5782733A (en) 1992-10-26 1998-07-21 Innoflex Incorporated Zippered film and bag

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3875351A (en) * 1974-01-09 1975-04-01 Bell Telephone Labor Inc Trunk busy test circuit
US3928735A (en) * 1974-01-09 1975-12-23 Bell Telephone Labor Inc Trunk make-busy circuit
US3951248A (en) * 1974-11-07 1976-04-20 Bell Telephone Laboratories, Incorporated Telephone line visual status indication circuit
US4017696A (en) * 1975-12-31 1977-04-12 Bell Telephone Laboratories, Incorporated Initializing circuit

Also Published As

Publication number Publication date
CA1128628A (fr) 1982-07-27
US4204241A (en) 1980-05-20
IT7928034A0 (it) 1979-12-17
IT1127694B (it) 1986-05-21

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC.

Effective date: 19891031