BE516334A - - Google Patents

Info

Publication number
BE516334A
BE516334A BE516334DA BE516334A BE 516334 A BE516334 A BE 516334A BE 516334D A BE516334D A BE 516334DA BE 516334 A BE516334 A BE 516334A
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 BE516334A publication Critical patent/BE516334A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Control Of Eletrric Generators (AREA)
BE516334D 1951-12-19 BE516334A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE721795X 1951-12-19

Publications (1)

Publication Number Publication Date
BE516334A true BE516334A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=20316016

Family Applications (1)

Application Number Title Priority Date Filing Date
BE516334D BE516334A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1951-12-19

Country Status (3)

Country Link
BE (1) BE516334A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1067734A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB721795A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
FR1067734A (fr) 1954-06-17
GB721795A (en) 1955-01-12

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