BE463852A - - Google Patents

Info

Publication number
BE463852A
BE463852A BE463852DA BE463852A BE 463852 A BE463852 A BE 463852A BE 463852D A BE463852D A BE 463852DA BE 463852 A BE463852 A BE 463852A
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.)
Publication of BE463852A publication Critical patent/BE463852A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/42—Circuits for by-passing of ringing signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
BE463852D 1944-09-13 BE463852A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH916162X 1944-09-13

Publications (1)

Publication Number Publication Date
BE463852A true BE463852A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=4547839

Family Applications (1)

Application Number Title Priority Date Filing Date
BE463852D BE463852A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1944-09-13

Country Status (3)

Country Link
BE (1) BE463852A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH241540A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR916162A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
FR916162A (fr) 1946-11-28
CH241540A (de) 1946-03-15

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