BE440390A - - Google Patents

Info

Publication number
BE440390A
BE440390A BE440390DA BE440390A BE 440390 A BE440390 A BE 440390A BE 440390D A BE440390D A BE 440390DA BE 440390 A BE440390 A BE 440390A
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 BE440390A publication Critical patent/BE440390A/xx

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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Amplifiers (AREA)
BE440390D 1939-06-21 BE440390A (enrdf_load_stackoverflow)

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
BE440390A true BE440390A (enrdf_load_stackoverflow)

Family

ID=23072454

Family Applications (1)

Application Number Title Priority Date Filing Date
BE440390D BE440390A (enrdf_load_stackoverflow) 1939-06-21

Country Status (4)

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

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 (zh) * 2016-08-11 2016-12-07 四川耀康生物科技有限公司 一种胶原蛋白提取用恒温酶解反应罐

Also Published As

Publication number Publication date
FR867449A (fr) 1941-10-27
US2231527A (en) 1941-02-11
GB537893A (en) 1941-07-10

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