FR56578E - Installation radioélectrique d'émission et de réception sur onde commune - Google Patents

Installation radioélectrique d'émission et de réception sur onde commune

Info

Publication number
FR56578E
FR56578E FR56578DA FR56578E FR 56578 E FR56578 E FR 56578E FR 56578D A FR56578D A FR 56578DA FR 56578 E FR56578 E FR 56578E
Authority
FR
France
Prior art keywords
radio transmission
wave radio
common wave
reception installation
reception
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
English (en)
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.)
SIF Societe Independante de Telegraphie Sans Fil
Original Assignee
SIF Societe Independante de Telegraphie Sans Fil
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 SIF Societe Independante de Telegraphie Sans Fil filed Critical SIF Societe Independante de Telegraphie Sans Fil
Application granted granted Critical
Publication of FR56578E publication Critical patent/FR56578E/fr
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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR56578D 1951-02-23 1947-05-08 Installation radioélectrique d'émission et de réception sur onde commune Expired FR56578E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR61433T 1951-02-23

Publications (1)

Publication Number Publication Date
FR56578E true FR56578E (fr) 1952-09-30

Family

ID=8695002

Family Applications (3)

Application Number Title Priority Date Filing Date
FR940556D Expired FR940556A (fr) 1951-02-23 1947-01-28 Installation radioélectrique d'émission et de réception sur onde commune
FR56578D Expired FR56578E (fr) 1951-02-23 1947-05-08 Installation radioélectrique d'émission et de réception sur onde commune
FR61433D Expired FR61433E (fr) 1951-02-23 1951-02-23 Installation radioélectrique d'émission et de réception sur onde com?unne

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR940556D Expired FR940556A (fr) 1951-02-23 1947-01-28 Installation radioélectrique d'émission et de réception sur onde commune

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR61433D Expired FR61433E (fr) 1951-02-23 1951-02-23 Installation radioélectrique d'émission et de réception sur onde com?unne

Country Status (1)

Country Link
FR (3) FR940556A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3324396A (en) * 1964-09-28 1967-06-06 Bell Telephone Labor Inc Multiple conversion transceiver utilizing single oscillator

Also Published As

Publication number Publication date
FR61433E (fr) 1955-05-04
FR940556A (fr) 1948-12-16

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