BE719887A - - Google Patents

Info

Publication number
BE719887A
BE719887A BE719887DA BE719887A BE 719887 A BE719887 A BE 719887A BE 719887D A BE719887D A BE 719887DA BE 719887 A BE719887 A BE 719887A
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 BE719887A publication Critical patent/BE719887A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
BE719887D 1968-08-23 1968-08-23 BE719887A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR163940 1968-08-23
BE719887 1968-08-23

Publications (1)

Publication Number Publication Date
BE719887A true BE719887A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-02-24

Family

ID=25656702

Family Applications (1)

Application Number Title Priority Date Filing Date
BE719887D BE719887A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-08-23 1968-08-23

Country Status (2)

Country Link
BE (1) BE719887A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1599738A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
FR1599738A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-07-20

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