BE476953A - - Google Patents

Info

Publication number
BE476953A
BE476953A BE476953DA BE476953A BE 476953 A BE476953 A BE 476953A BE 476953D A BE476953D A BE 476953DA BE 476953 A BE476953 A BE 476953A
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 BE476953A publication Critical patent/BE476953A/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
    • 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
    • H04B1/44—Transmit/receive switching
    • H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
BE476953D 1942-07-11 BE476953A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US450499A US2330593A (en) 1942-07-11 1942-07-11 High frequency communication system

Publications (1)

Publication Number Publication Date
BE476953A true BE476953A (enrdf_load_stackoverflow)

Family

ID=23788338

Family Applications (1)

Application Number Title Priority Date Filing Date
BE476953D BE476953A (enrdf_load_stackoverflow) 1942-07-11

Country Status (3)

Country Link
US (1) US2330593A (enrdf_load_stackoverflow)
BE (1) BE476953A (enrdf_load_stackoverflow)
FR (1) FR950377A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR959684A (enrdf_load_stackoverflow) * 1941-04-11 1950-03-31
US2516361A (en) * 1945-08-21 1950-07-25 Gen Railway Signal Co Voice frequency signal device

Also Published As

Publication number Publication date
FR950377A (fr) 1949-09-26
US2330593A (en) 1943-09-28

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