BE406242A - - Google Patents

Info

Publication number
BE406242A
BE406242A BE406242DA BE406242A BE 406242 A BE406242 A BE 406242A BE 406242D A BE406242D A BE 406242DA BE 406242 A BE406242 A BE 406242A
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 BE406242A publication Critical patent/BE406242A/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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Interface Circuits In Exchanges (AREA)
BE406242D 1933-11-14 BE406242A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB202982X 1933-11-14

Publications (1)

Publication Number Publication Date
BE406242A true BE406242A (enrdf_load_stackoverflow)

Family

ID=10143647

Family Applications (1)

Application Number Title Priority Date Filing Date
BE406242D BE406242A (enrdf_load_stackoverflow) 1933-11-14

Country Status (7)

Country Link
US (1) US2082357A (enrdf_load_stackoverflow)
BE (1) BE406242A (enrdf_load_stackoverflow)
CH (1) CH202982A (enrdf_load_stackoverflow)
DE (1) DE677043C (enrdf_load_stackoverflow)
FR (1) FR781186A (enrdf_load_stackoverflow)
GB (2) GB430567A (enrdf_load_stackoverflow)
NL (1) NL40266C (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE890062C (de) * 1936-10-14 1953-09-17 Siemens Ag Schaltungsanordnung zur Verhinderung der elektroakustischen Rueckkopplung, insbesondere in Lautfernsprechanlagen
DE882420C (de) * 1938-04-12 1953-07-09 Siemens Ag Schaltungsanordnung fuer Rueckkopplungssperren in Lautfernsprechanlagen
DE744088C (de) * 1938-05-10 1944-01-08 Siemens Ag Lautfernsprechanlage mit Rueckkopplungssperre
DE759529C (de) * 1940-04-26 1954-05-03 Hell Rudolf Dr Ing Rueckkopplungssperre
DE896058C (de) * 1941-02-21 1953-11-09 Electrical Fono Films Co As Dynamikregelschaltung mit einstellbarem Regelgrad
GB561405A (en) * 1942-11-14 1944-05-18 Automatic Telephone & Elect Improvements in or relating to telecommunication systems
US2696529A (en) * 1950-09-02 1954-12-07 Bell Telephone Labor Inc Voice-operated switching system

Also Published As

Publication number Publication date
CH202982A (de) 1939-02-15
FR781186A (fr) 1935-05-10
DE677043C (de) 1939-06-17
GB430567A (en) 1935-06-14
GB430158A (en) 1935-06-14
NL40266C (enrdf_load_stackoverflow)
US2082357A (en) 1937-06-01

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