FR952462A - Systèmes de transmission de communications - Google Patents

Systèmes de transmission de communications

Info

Publication number
FR952462A
FR952462A FR952462DA FR952462A FR 952462 A FR952462 A FR 952462A FR 952462D A FR952462D A FR 952462DA FR 952462 A FR952462 A FR 952462A
Authority
FR
France
Prior art keywords
transmission systems
communication transmission
communication
systems
transmission
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)
Inventor
Emile Labin
Donald David Grieg
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR952462A publication Critical patent/FR952462A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/17—Ground-based stations employing pulse modulation, e.g. pulse code modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
FR952462D 1945-02-26 1947-08-07 Systèmes de transmission de communications Expired FR952462A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US579723A US2425066A (en) 1945-02-26 1945-02-26 Pulsed multiplex system employing different width and repetition frequencies for each channel

Publications (1)

Publication Number Publication Date
FR952462A true FR952462A (fr) 1949-11-17

Family

ID=24318085

Family Applications (1)

Application Number Title Priority Date Filing Date
FR952462D Expired FR952462A (fr) 1945-02-26 1947-08-07 Systèmes de transmission de communications

Country Status (4)

Country Link
US (1) US2425066A (fr)
ES (1) ES182437A1 (fr)
FR (1) FR952462A (fr)
GB (1) GB623415A (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE467392A (fr) * 1944-05-05
US2567203A (en) * 1946-02-05 1951-09-11 Marcel J E Golay Multiplex communication system utilizing successive, different pulse modulation techniques
US2535547A (en) * 1946-09-10 1950-12-26 Rca Corp Telemetering system
US2451347A (en) * 1947-01-17 1948-10-12 Clarence H Mcshan Frequency shift pulse time modulation
US2530081A (en) * 1947-03-28 1950-11-14 Karl F Ross Receiver for wave-length modulated electric waves
US2552013A (en) * 1947-04-22 1951-05-08 Gen Railway Signal Co Pulse duration discriminator
US2524776A (en) * 1947-07-02 1950-10-10 Standard Telephones Cables Ltd Pulse time modulation repeater system
US2563879A (en) * 1947-07-22 1951-08-14 Komnenus M Soukaras Time characteristic determination of recurrent signals
US2556074A (en) * 1947-10-29 1951-06-05 Rca Corp Pulse width selection
US2685044A (en) * 1948-02-05 1954-07-27 Rca Corp Quantizing tube
US2676202A (en) * 1949-01-12 1954-04-20 Companhia Portuguesa Radio Mar Multichannel communication with varying impulse frequency
US2640151A (en) * 1949-07-14 1953-05-26 Westinghouse Electric Corp Blocking oscillator system
US2719188A (en) * 1950-05-05 1955-09-27 Bell Telephone Labor Inc Non-synchronous time division multiplex telephone transmission
US2890283A (en) * 1953-05-02 1959-06-09 Int Standard Electric Corp Repeating system for time-division multiplex communication circuits
BE566421A (fr) * 1957-04-04
US3177488A (en) * 1959-12-24 1965-04-06 Bell Telephone Labor Inc Broad band microwave radio link
US3160711A (en) * 1960-06-04 1964-12-08 Bell Telephone Labor Inc Nonsynchronous time-frequency multiplex transmission system
US3261920A (en) * 1961-12-01 1966-07-19 Bell Telephone Labor Inc Asynchronous pulse multiplexing
US3261919A (en) * 1961-12-01 1966-07-19 Bell Telephone Labor Inc Asynchronous pulse multiplexing
SE404268B (sv) * 1977-04-28 1978-09-25 Inst Mikrovagsteknik Vid Tekni Forfarande for att vid en enkel- eller dubbelriktad informationslenk astadkomma undertryckning av storningar samt anordning for genomforande av forfarandet
US7912376B2 (en) * 2007-09-28 2011-03-22 Rockwell Automation Technologies, Inc. Non-interfering transmitted-beam pairs

Also Published As

Publication number Publication date
GB623415A (en) 1949-05-17
US2425066A (en) 1947-08-05
ES182437A1 (es) 1948-04-16

Similar Documents

Publication Publication Date Title
FR65352E (fr) Systèmes radioélectriques de communication
FR952462A (fr) Systèmes de transmission de communications
FR947270A (fr) Système de communication
FR951383A (fr) Systèmes électriques de communication
FR951330A (fr) Systèmes de communications radioélectriques
FR946925A (fr) Système de communication
FR941062A (fr) Systèmes de communication
FR950322A (fr) Système de communication
ES182282A1 (es) Sistemas de transmisión
FR951020A (fr) Systèmes de transmission de communications
FR938282A (fr) Perfectionnements aux systèmes de communication
FR951261A (fr) Systèmes de communications radioélectriques à voies multiples
CH271780A (de) Telegraphen-Empfänger.
FR946506A (fr) Systemes de transmission de communications
FR946807A (fr) Systèmes de transmission de communications télégraphiques
FR930641A (fr) Perfectionnements aux systèmes électriques de communication
FR58601E (fr) Systèmes radioélectriques de communication
FR950746A (fr) Systèmes de communications duplex à fréquence porteuse
FR950767A (fr) Systèmes de communications radioélectriques
CH275629A (de) Drucktelegraphen-Empfänger.
FR919904A (fr) Compteur de communications pour systèmes téléphoniques manuels
CH269347A (fr) Emetteur télégraphique de précision.
FR943768A (fr) Systèmes radioélectriques de communication
FR57665E (fr) Systèmes de communications radioélectriques
FR57635E (fr) Systèmes de communications radioélectriques