BE660689A - - Google Patents

Info

Publication number
BE660689A
BE660689A BE660689DA BE660689A BE 660689 A BE660689 A BE 660689A BE 660689D A BE660689D A BE 660689DA BE 660689 A BE660689 A BE 660689A
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 BE660689A publication Critical patent/BE660689A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/08Indicating faults in circuits or apparatus
    • H04M3/12Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0008Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
BE660689D 1964-03-05 1965-03-05 BE660689A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES89859A DE1211282B (en) 1964-03-05 1964-03-05 Circuit arrangement for a telephone, in particular telephone branch exchange, with a central device for identification

Publications (1)

Publication Number Publication Date
BE660689A true BE660689A (en) 1965-09-06

Family

ID=7515395

Family Applications (1)

Application Number Title Priority Date Filing Date
BE660689D BE660689A (en) 1964-03-05 1965-03-05

Country Status (7)

Country Link
BE (1) BE660689A (en)
CH (1) CH420282A (en)
DE (1) DE1211282B (en)
FR (1) FR1431203A (en)
GB (1) GB1055867A (en)
NL (1) NL150982B (en)
SE (1) SE311544B (en)

Also Published As

Publication number Publication date
FR1431203A (en) 1966-03-11
NL150982B (en) 1976-09-15
GB1055867A (en) 1967-01-18
CH420282A (en) 1966-09-15
NL6501793A (en) 1965-09-06
DE1211282B (en) 1966-02-24
SE311544B (en) 1969-06-16

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