NL41967C - - Google Patents

Info

Publication number
NL41967C
NL41967C NL41967DA NL41967C NL 41967 C NL41967 C NL 41967C NL 41967D A NL41967D A NL 41967DA NL 41967 C NL41967 C NL 41967C
Authority
NL
Netherlands
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 NL41967C publication Critical patent/NL41967C/xx

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
    • 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
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
    • 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)
  • Near-Field Transmission Systems (AREA)
NL41967D 1934-07-02 NL41967C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1951234A GB440572A (en) 1934-07-02 1934-07-02 Improvements in or relating to two-way communication systems

Publications (1)

Publication Number Publication Date
NL41967C true NL41967C (xx)

Family

ID=10130614

Family Applications (1)

Application Number Title Priority Date Filing Date
NL41967D NL41967C (xx) 1934-07-02

Country Status (2)

Country Link
GB (1) GB440572A (xx)
NL (1) NL41967C (xx)

Also Published As

Publication number Publication date
GB440572A (en) 1936-01-02

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