BE454946A - - Google Patents

Info

Publication number
BE454946A
BE454946A BE454946DA BE454946A BE 454946 A BE454946 A BE 454946A BE 454946D A BE454946D A BE 454946DA BE 454946 A BE454946 A BE 454946A
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 BE454946A publication Critical patent/BE454946A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/62—Two-way amplifiers
    • H03F3/64—Two-way amplifiers with tubes only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits
    • H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Filters And Equalizers (AREA)
BE454946D 1942-12-22 BE454946A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL240688X 1942-12-22

Publications (1)

Publication Number Publication Date
BE454946A true BE454946A (fr)

Family

ID=19780517

Family Applications (1)

Application Number Title Priority Date Filing Date
BE454946D BE454946A (fr) 1942-12-22

Country Status (2)

Country Link
BE (1) BE454946A (fr)
CH (1) CH240688A (fr)

Also Published As

Publication number Publication date
CH240688A (de) 1946-01-15

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