CH236317A - Circuit répéteur pour installations de télécommunication. - Google Patents

Circuit répéteur pour installations de télécommunication.

Info

Publication number
CH236317A
CH236317A CH236317DA CH236317A CH 236317 A CH236317 A CH 236317A CH 236317D A CH236317D A CH 236317DA CH 236317 A CH236317 A CH 236317A
Authority
CH
Switzerland
Prior art keywords
repeater circuit
telecommunications installations
installations
telecommunications
repeater
Prior art date
Application number
Other languages
English (en)
Inventor
Sa Standard Telephone Radio
Original Assignee
Standard Telephone & Radio Sa
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.)
Filing date
Publication date
Application filed by Standard Telephone & Radio Sa filed Critical Standard Telephone & Radio Sa
Publication of CH236317A publication Critical patent/CH236317A/fr

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)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CH236317D 1939-10-06 1942-04-02 Circuit répéteur pour installations de télécommunication. CH236317A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB27372/39A GB535386A (en) 1939-10-06 1939-10-06 Improvements in electric wave repeater circuits

Publications (1)

Publication Number Publication Date
CH236317A true CH236317A (fr) 1945-01-31

Family

ID=10258538

Family Applications (1)

Application Number Title Priority Date Filing Date
CH236317D CH236317A (fr) 1939-10-06 1942-04-02 Circuit répéteur pour installations de télécommunication.

Country Status (5)

Country Link
US (1) US2577792A (fr)
BE (1) BE441868A (fr)
CH (1) CH236317A (fr)
FR (1) FR870441A (fr)
GB (1) GB535386A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283073A (en) * 1962-11-30 1966-11-01 Webster Electric Co Inc Intercommunication system and eavesdropping preventing means therefor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1880889A (en) * 1931-05-25 1932-10-04 Bell Telephone Labor Inc Signal transmission system
US2034703A (en) * 1934-08-04 1936-03-24 Bell Telephone Labor Inc Transmission control in signaling systems
US2066325A (en) * 1935-10-22 1937-01-05 Bell Telephone Labor Inc Transmission control in two-way signaling system
US2143407A (en) * 1937-08-05 1939-01-10 Bell Telephone Labor Inc Gain control circuits
BE430480A (fr) * 1937-10-05

Also Published As

Publication number Publication date
FR870441A (fr) 1942-03-11
GB535386A (en) 1941-04-08
US2577792A (en) 1951-12-11
BE441868A (fr)

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