FR867237A - Systèmes de transmission à ondes porteuses - Google Patents

Systèmes de transmission à ondes porteuses

Info

Publication number
FR867237A
FR867237A FR867237DA FR867237A FR 867237 A FR867237 A FR 867237A FR 867237D A FR867237D A FR 867237DA FR 867237 A FR867237 A FR 867237A
Authority
FR
France
Prior art keywords
carrier wave
wave transmission
transmission systems
systems
carrier
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR867237A publication Critical patent/FR867237A/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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FR867237D 1939-07-05 1940-09-19 Systèmes de transmission à ondes porteuses Expired FR867237A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB867237X 1939-07-05
GB19568/39A GB531556A (en) 1939-07-05 1939-07-05 Improved arrangements for suppressing the carrier frequency on transmission systems

Publications (1)

Publication Number Publication Date
FR867237A true FR867237A (fr) 1941-10-07

Family

ID=33031448

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867237D Expired FR867237A (fr) 1939-07-05 1940-09-19 Systèmes de transmission à ondes porteuses

Country Status (2)

Country Link
FR (1) FR867237A (fr)
GB (1) GB531556A (fr)

Also Published As

Publication number Publication date
GB531556A (en) 1941-01-07

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