BE484067A - - Google Patents

Info

Publication number
BE484067A
BE484067A BE484067DA BE484067A BE 484067 A BE484067 A BE 484067A BE 484067D A BE484067D A BE 484067DA BE 484067 A BE484067 A BE 484067A
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 BE484067A publication Critical patent/BE484067A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/42Circuits for by-passing of ringing signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Devices For Supply Of Signal Current (AREA)
BE484067D 1947-10-28 BE484067A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR837125X 1947-10-28

Publications (1)

Publication Number Publication Date
BE484067A true BE484067A (de)

Family

ID=9298447

Family Applications (1)

Application Number Title Priority Date Filing Date
BE484067D BE484067A (de) 1947-10-28

Country Status (6)

Country Link
US (1) US2598159A (de)
BE (1) BE484067A (de)
CH (1) CH283259A (de)
DE (1) DE837125C (de)
FR (1) FR1006007A (de)
GB (1) GB668370A (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1811963A (en) * 1928-06-20 1931-06-30 Bell Telephone Labor Inc Apparatus for reducing crosstalk currents
NL36256C (de) * 1929-05-06
US1811947A (en) * 1929-05-14 1931-06-30 Bell Telephone Labor Inc Noise suppressing circuit
US2018464A (en) * 1930-06-07 1935-10-22 Bell Telephone Labor Inc Voice operated transmission circuit
US1866592A (en) * 1930-06-07 1932-07-12 Bell Telephone Labor Inc Voice operated repeater circuit
DE643015C (de) * 1933-06-09 1937-03-31 Siemens & Halske Akt Ges Schaltungsanordnung zur UEbertragung von Stromstoessen mit Hilfe von im Sprachbereich liegenden Frequenzen ueber Verbindungsleitungen in Fernsprechanlagen mit Waehlerbetrieb
US2019577A (en) * 1934-10-02 1935-11-05 American Telephone & Telegraph System of variable amplification
US2422309A (en) * 1945-03-10 1947-06-17 Automatic Elect Lab Distortion correcting impulse repeater

Also Published As

Publication number Publication date
GB668370A (en) 1952-03-19
FR1006007A (fr) 1952-04-18
CH283259A (fr) 1952-05-31
US2598159A (en) 1952-05-27
DE837125C (de) 1952-04-21

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