FR1206983A - Systèmes de transmission - Google Patents

Systèmes de transmission

Info

Publication number
FR1206983A
FR1206983A FR1206983DA FR1206983A FR 1206983 A FR1206983 A FR 1206983A FR 1206983D A FR1206983D A FR 1206983DA FR 1206983 A FR1206983 A FR 1206983A
Authority
FR
France
Prior art keywords
transmission systems
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)
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 FR1206983A publication Critical patent/FR1206983A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Magnetically Actuated Valves (AREA)
  • Mobile Radio Communication Systems (AREA)
FR1206983D 1957-05-27 1958-05-27 Systèmes de transmission Expired FR1206983A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US661821A US2985755A (en) 1957-05-27 1957-05-27 Communication system

Publications (1)

Publication Number Publication Date
FR1206983A true FR1206983A (fr) 1960-02-12

Family

ID=24655249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1206983D Expired FR1206983A (fr) 1957-05-27 1958-05-27 Systèmes de transmission

Country Status (3)

Country Link
US (1) US2985755A (fr)
FR (1) FR1206983A (fr)
GB (1) GB884418A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095538A (en) * 1960-10-28 1963-06-25 Silberstein Richard Satellite relay station using antenna diversity selection
US3155909A (en) * 1961-10-31 1964-11-03 Gen Electric Mobile communication system in which the base station receiver, which receives the strongest signal, is automatically selected
US3328698A (en) * 1963-06-28 1967-06-27 Itt Selector for choosing the strongest signal including means for inhibiting all signals below a selected level
US3328697A (en) * 1963-06-28 1967-06-27 Itt Selector for selecting the best responding one of a plurality of equal rank devices
US3483562A (en) * 1963-10-14 1969-12-09 Automatic Radio Mfg Co Remote controlling
US3403341A (en) * 1965-09-13 1968-09-24 Rucker Co Communication system with autoamtic channel selection
US3513399A (en) * 1967-10-17 1970-05-19 Keith H Wycoff Tone control circuit
US4010327A (en) * 1976-05-11 1977-03-01 Motorola, Inc. Communication system interface circuit
US4485486A (en) * 1982-08-03 1984-11-27 Motorola, Inc. Method and apparatus for assigning duplex radio channels and scanning duplex radio channels assigned to mobile and portable radio telephones in a cellular radiotelephone communications system
US4549311A (en) * 1982-08-03 1985-10-22 Motorola, Inc. Method and apparatus for measuring the strength of a radio signal frequency
US4611334A (en) * 1984-08-31 1986-09-09 Motorola, Inc. Message capturing radio data system
AU2001261143A1 (en) * 2000-05-05 2001-11-20 Adsi, Inc Data packet communications system with a plurality of antennas

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1922059A (en) * 1930-11-01 1933-08-15 Bell Telephone Labor Inc Radio receiving system
US2292222A (en) * 1939-12-28 1942-08-04 Elmer G Van Name Two-way radio communication system
US2572912A (en) * 1948-03-01 1951-10-30 Rca Corp Diversity system
US2737578A (en) * 1951-04-25 1956-03-06 Automatic Elect Lab Control terminal for mobile radio telephone systems
US2870326A (en) * 1956-05-14 1959-01-20 Collins Radio Co Device for selecting signal of greatest energy

Also Published As

Publication number Publication date
US2985755A (en) 1961-05-23
GB884418A (en) 1961-12-13

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