BE447597A - - Google Patents

Info

Publication number
BE447597A
BE447597A BE447597DA BE447597A BE 447597 A BE447597 A BE 447597A BE 447597D A BE447597D A BE 447597DA BE 447597 A BE447597 A BE 447597A
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 BE447597A publication Critical patent/BE447597A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, 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
    • H04B1/40Circuits
    • H04B1/44Transmit/receive switching
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, 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
    • H04B1/40Circuits
    • H04B1/50Circuits using different frequencies for the two directions of communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, 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
    • H04B1/40Circuits
    • H04B1/54Circuits using the same frequency for two directions of communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
BE447597D 1941-11-12 BE447597A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE886811X 1941-11-12
DEL0004362 1941-11-12

Publications (1)

Publication Number Publication Date
BE447597A true BE447597A (zh)

Family

ID=33030577

Family Applications (1)

Application Number Title Priority Date Filing Date
BE447597D BE447597A (zh) 1941-11-12

Country Status (2)

Country Link
BE (1) BE447597A (zh)
FR (1) FR886811A (zh)

Also Published As

Publication number Publication date
FR886811A (fr) 1943-10-26

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