FR863363A - Improvements to signal transmission systems - Google Patents

Improvements to signal transmission systems

Info

Publication number
FR863363A
FR863363A FR863363DA FR863363A FR 863363 A FR863363 A FR 863363A FR 863363D A FR863363D A FR 863363DA FR 863363 A FR863363 A FR 863363A
Authority
FR
France
Prior art keywords
signal transmission
transmission systems
systems
signal
transmission
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT 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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Application granted granted Critical
Publication of FR863363A publication Critical patent/FR863363A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal
    • H04B3/12—Control of transmission; Equalising by pilot signal in negative-feedback path of line amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Amplifiers (AREA)
FR863363D 1939-02-11 1940-02-09 Improvements to signal transmission systems Expired FR863363A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US255812A US2208617A (en) 1939-02-11 1939-02-11 Signal transmission system
GB3622/40A GB538807A (en) 1939-02-11 1940-02-27 Electric signal transmission systems

Publications (1)

Publication Number Publication Date
FR863363A true FR863363A (en) 1941-04-01

Family

ID=26238481

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863363D Expired FR863363A (en) 1939-02-11 1940-02-09 Improvements to signal transmission systems

Country Status (4)

Country Link
US (1) US2208617A (en)
BE (1) BE439707A (en)
FR (1) FR863363A (en)
GB (1) GB538807A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477028A (en) * 1945-02-03 1949-07-26 Wilkie Harry Dual channel gain control
FR963420A (en) * 1947-02-26 1950-07-10
US2867774A (en) * 1952-12-17 1959-01-06 Bell Telephone Labor Inc Gain regulator for carrier systems
DE1060442B (en) * 1956-06-29 1959-07-02 Siemens Ag Transmission system for the transmission of messages over lines with main amplifiers and unmanned, remotely fed intermediate amplifiers
NL134176C (en) * 1956-12-21
US3082381A (en) * 1959-05-27 1963-03-19 Goodyear Aircraft Corp Automatic gain control circuit
DE1144773B (en) * 1959-11-05 1963-03-07 Int Standard Electric Corp Circuit arrangement for regulating the level in communication systems with intermediate amplifiers

Also Published As

Publication number Publication date
GB538807A (en) 1941-08-18
US2208617A (en) 1940-07-23
BE439707A (en) 1940-12-31

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