BE779857A - Systeme de communication multiplex a division de frequence - Google Patents

Systeme de communication multiplex a division de frequence

Info

Publication number
BE779857A
BE779857A BE779857A BE779857A BE779857A BE 779857 A BE779857 A BE 779857A BE 779857 A BE779857 A BE 779857A BE 779857 A BE779857 A BE 779857A BE 779857 A BE779857 A BE 779857A
Authority
BE
Belgium
Prior art keywords
communication system
frequency division
division multiplex
multiplex communication
frequency
Prior art date
Application number
BE779857A
Other languages
English (en)
French (fr)
Inventor
T J Haley
T B Merrick
J S Ronne
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE779857A publication Critical patent/BE779857A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
    • H04J1/065—Synchronisation of carrier sources at the receiving station with the carrier source at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Relay Systems (AREA)
  • Transmitters (AREA)
BE779857A 1971-03-01 1972-02-25 Systeme de communication multiplex a division de frequence BE779857A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11975071A 1971-03-01 1971-03-01

Publications (1)

Publication Number Publication Date
BE779857A true BE779857A (fr) 1972-06-16

Family

ID=22386145

Family Applications (1)

Application Number Title Priority Date Filing Date
BE779857A BE779857A (fr) 1971-03-01 1972-02-25 Systeme de communication multiplex a division de frequence

Country Status (9)

Country Link
US (1) US3733438A (OSRAM)
JP (1) JPS5535903B1 (OSRAM)
AU (1) AU458114B2 (OSRAM)
BE (1) BE779857A (OSRAM)
CA (1) CA962788A (OSRAM)
DE (1) DE2208610C2 (OSRAM)
FR (1) FR2127877A5 (OSRAM)
GB (1) GB1358782A (OSRAM)
SE (1) SE382541B (OSRAM)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2290104A1 (fr) * 1974-10-30 1976-05-28 Trt Telecom Radio Electr Systeme de transmission de donnees par les canaux d'un multiplex a repartition en frequence
FR2290103A1 (fr) * 1974-10-31 1976-05-28 Thomson Csf Artere telephonique a points d'acces multiples et reseau comportant de telles arteres
FR2290116A1 (fr) * 1974-10-31 1976-05-28 Thomson Csf Circuit de voie pour centre de commutation telephonique et dispositifs de commutation utilisant ce circuit
DE2856752C2 (de) * 1978-12-29 1981-10-01 Rediffusion AG, Zürich Verfahren und Vorrichtung für die Frequenzmultiplex-Informationsübertragung
US4380062A (en) * 1981-04-22 1983-04-12 Rixon, Inc. Communication system providing simultaneous two-way transmission
EP0208425A3 (en) * 1985-06-13 1988-01-13 Devon County Council Television sub-carrier transmission
US4959827A (en) * 1989-03-30 1990-09-25 Laser Communications, Inc. Laser signal mixer circuit
DE19716323A1 (de) * 1997-04-18 1998-10-22 Alsthom Cge Alcatel Modulationseinrichtung zur Modulation digitaler Signale
JP2001053640A (ja) * 1999-08-11 2001-02-23 Communication Research Laboratory Mpt 無線通信装置および無線通信方法
JP2002009655A (ja) * 2000-06-23 2002-01-11 Communication Research Laboratory 双方向無線通信システム及び双方向無線通信方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA411423A (en) * 1940-01-27 1943-03-30 M. Deerhake Franklin Frequency conversion system
US2445664A (en) * 1946-02-27 1948-07-20 Collins Radio Co Multifrequency generating and selecting system
US2602159A (en) * 1946-06-14 1952-07-01 Collins Radio Co Frequency modulation generator
US2849605A (en) * 1957-05-06 1958-08-26 Westinghouse Electric Corp Single sideband communication system
US3049674A (en) * 1959-04-30 1962-08-14 Jr Robert R Stone Frequency synthesizer employing at least one frequency drift cancellation loop
US3176226A (en) * 1961-11-28 1965-03-30 Bell Telephone Labor Inc Elimination of frequency shift in suppressed carrier systems
US3555426A (en) * 1968-05-29 1971-01-12 Us Navy Frequency synthesizer

Also Published As

Publication number Publication date
DE2208610C2 (de) 1981-09-17
GB1358782A (en) 1974-07-03
CA962788A (en) 1975-02-11
AU3944072A (en) 1973-08-30
AU458114B2 (en) 1975-01-31
DE2208610A1 (de) 1972-09-21
JPS5535903B1 (OSRAM) 1980-09-17
SE382541B (sv) 1976-02-02
FR2127877A5 (OSRAM) 1972-10-13
US3733438A (en) 1973-05-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19840225