BE401674A - - Google Patents

Info

Publication number
BE401674A
BE401674A BE401674DA BE401674A BE 401674 A BE401674 A BE 401674A BE 401674D A BE401674D A BE 401674DA BE 401674 A BE401674 A BE 401674A
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 BE401674A publication Critical patent/BE401674A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BE401674D 1933-03-01 BE401674A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6227/33A GB415767A (en) 1933-03-01 1933-03-01 Improvements in alternating current transmission systems such as telephone systems incorporating echo suppressors

Publications (1)

Publication Number Publication Date
BE401674A true BE401674A (xx)

Family

ID=9810720

Family Applications (1)

Application Number Title Priority Date Filing Date
BE401674D BE401674A (xx) 1933-03-01

Country Status (6)

Country Link
US (1) US1992774A (xx)
BE (1) BE401674A (xx)
DE (1) DE672795C (xx)
FR (1) FR769401A (xx)
GB (2) GB416372A (xx)
NL (1) NL39810C (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE882420C (de) * 1938-04-12 1953-07-09 Siemens Ag Schaltungsanordnung fuer Rueckkopplungssperren in Lautfernsprechanlagen
US2164344A (en) * 1938-04-28 1939-07-04 Bell Telephone Labor Inc Signal transmission system
GB561405A (en) * 1942-11-14 1944-05-18 Automatic Telephone & Elect Improvements in or relating to telecommunication systems
US2511468A (en) * 1945-01-15 1950-06-13 Telephone Mfg Co Ltd Electrical control network
DE842503C (de) * 1948-12-09 1952-06-26 Rudolf Wagner Schaltungsanordnung zur Steuerung des UEbertragungsgrades von Fernmeldeanlagen
DE849572C (de) * 1948-12-09 1952-09-15 Rudolf Wagner Schaltungsanordnung zur Steuerung des UEbertragungsgrades von Fernmeldeanlagen
US2949579A (en) * 1957-12-27 1960-08-16 Mc Graw Edison Co Transistor amplifier with a.v.c.

Also Published As

Publication number Publication date
FR769401A (fr) 1934-08-25
DE672795C (de) 1939-03-10
NL39810C (xx)
US1992774A (en) 1935-02-26
GB416372A (en) 1934-09-03
GB415767A (en) 1934-09-03

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