NL39810C - - Google Patents

Info

Publication number
NL39810C
NL39810C NL39810DA NL39810C NL 39810 C NL39810 C NL 39810C NL 39810D A NL39810D A NL 39810DA NL 39810 C NL39810 C NL 39810C
Authority
NL
Netherlands
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 NL39810C publication Critical patent/NL39810C/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)
NL39810D 1933-03-01 NL39810C (enrdf_load_stackoverflow)

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
NL39810C true NL39810C (enrdf_load_stackoverflow)

Family

ID=9810720

Family Applications (1)

Application Number Title Priority Date Filing Date
NL39810D NL39810C (enrdf_load_stackoverflow) 1933-03-01

Country Status (6)

Country Link
US (1) US1992774A (enrdf_load_stackoverflow)
BE (1) BE401674A (enrdf_load_stackoverflow)
DE (1) DE672795C (enrdf_load_stackoverflow)
FR (1) FR769401A (enrdf_load_stackoverflow)
GB (2) GB415767A (enrdf_load_stackoverflow)
NL (1) NL39810C (enrdf_load_stackoverflow)

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
DE849572C (de) * 1948-12-09 1952-09-15 Rudolf Wagner Schaltungsanordnung zur Steuerung des UEbertragungsgrades von Fernmeldeanlagen
DE842503C (de) * 1948-12-09 1952-06-26 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
US1992774A (en) 1935-02-26
FR769401A (fr) 1934-08-25
GB416372A (en) 1934-09-03
BE401674A (enrdf_load_stackoverflow)
DE672795C (de) 1939-03-10
GB415767A (en) 1934-09-03

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