BE684596A - - Google Patents

Info

Publication number
BE684596A
BE684596A BE684596DA BE684596A BE 684596 A BE684596 A BE 684596A BE 684596D A BE684596D A BE 684596DA BE 684596 A BE684596 A BE 684596A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE684596A publication Critical patent/BE684596A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
BE684596D 1965-07-26 1966-07-26 BE684596A (US06252093-20010626-C00008.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31807/65A GB1049359A (en) 1965-07-26 1965-07-26 Improvements in or relating to electrical telecommunication circuits

Publications (1)

Publication Number Publication Date
BE684596A true BE684596A (US06252093-20010626-C00008.png) 1967-01-26

Family

ID=10328710

Family Applications (1)

Application Number Title Priority Date Filing Date
BE684596D BE684596A (US06252093-20010626-C00008.png) 1965-07-26 1966-07-26

Country Status (4)

Country Link
US (1) US3517133A (US06252093-20010626-C00008.png)
BE (1) BE684596A (US06252093-20010626-C00008.png)
GB (1) GB1049359A (US06252093-20010626-C00008.png)
NL (1) NL6610416A (US06252093-20010626-C00008.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150260A (en) * 1975-06-18 1979-04-17 Hitachi, Ltd. Subscriber's circuit for four-wire-system local switch

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1406678A (en) * 1920-03-02 1922-02-14 Western Electric Co Telephone system
NL133409C (US06252093-20010626-C00008.png) * 1960-07-21
US3230315A (en) * 1962-06-04 1966-01-18 Itt Two-wire switching system for fourwire circuits

Also Published As

Publication number Publication date
NL6610416A (US06252093-20010626-C00008.png) 1967-01-27
GB1049359A (en) 1966-11-23
US3517133A (en) 1970-06-23

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