FR867449A - Transmission systems - Google Patents

Transmission systems

Info

Publication number
FR867449A
FR867449A FR867449DA FR867449A FR 867449 A FR867449 A FR 867449A FR 867449D A FR867449D A FR 867449DA FR 867449 A FR867449 A FR 867449A
Authority
FR
France
Prior art keywords
transmission systems
systems
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR867449A publication Critical patent/FR867449A/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/66—Amplifiers simultaneously generating oscillations of one frequency and amplifying signals of another frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/06—Control of transmission; Equalising by the transmitted signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR867449D 1939-06-21 1940-10-10 Transmission systems Expired FR867449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US280291A US2231527A (en) 1939-06-21 1939-06-21 Transmission regulation

Publications (1)

Publication Number Publication Date
FR867449A true FR867449A (en) 1941-10-27

Family

ID=23072454

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867449D Expired FR867449A (en) 1939-06-21 1940-10-10 Transmission systems

Country Status (4)

Country Link
US (1) US2231527A (en)
BE (1) BE440390A (en)
FR (1) FR867449A (en)
GB (1) GB537893A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3034041A (en) * 1955-08-17 1962-05-08 Schlumberger Well Surv Corp Feedback amplifying systems
US3082381A (en) * 1959-05-27 1963-03-19 Goodyear Aircraft Corp Automatic gain control circuit
CN106190824A (en) * 2016-08-11 2016-12-07 四川耀康生物科技有限公司 A kind of collagen protein extracts with constant temperature enzyme digestion reaction tank

Also Published As

Publication number Publication date
US2231527A (en) 1941-02-11
GB537893A (en) 1941-07-10
BE440390A (en)

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