FR950377A - High frequency communication system - Google Patents

High frequency communication system

Info

Publication number
FR950377A
FR950377A FR950377DA FR950377A FR 950377 A FR950377 A FR 950377A FR 950377D A FR950377D A FR 950377DA FR 950377 A FR950377 A FR 950377A
Authority
FR
France
Prior art keywords
communication system
high frequency
frequency communication
frequency
communication
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR950377A publication Critical patent/FR950377A/en
Expired legal-status Critical Current

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)
FR950377D 1942-07-11 1947-07-21 High frequency communication system Expired FR950377A (en)

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
FR950377A true FR950377A (en) 1949-09-26

Family

ID=23788338

Family Applications (1)

Application Number Title Priority Date Filing Date
FR950377D Expired FR950377A (en) 1942-07-11 1947-07-21 High frequency communication system

Country Status (3)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR959684A (en) * 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
BE476953A (en)
US2330593A (en) 1943-09-28

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