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FR833743A - Systèmes de transmission radioélectriques - Google Patents

Systèmes de transmission radioélectriques

Info

Publication number
FR833743A
FR833743A FR833743DA FR833743A FR 833743 A FR833743 A FR 833743A FR 833743D A FR833743D A FR 833743DA FR 833743 A FR833743 A FR 833743A
Authority
FR
France
Prior art keywords
radio transmission
transmission systems
systems
radio
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)
French (fr)
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 FR833743A publication Critical patent/FR833743A/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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
FR833743D 1937-02-17 1938-02-14 Systèmes de transmission radioélectriques Expired FR833743A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US126158A US2159647A (en) 1937-02-17 1937-02-17 Diversity transmission

Publications (1)

Publication Number Publication Date
FR833743A true FR833743A (fr) 1938-10-28

Family

ID=22423290

Family Applications (1)

Application Number Title Priority Date Filing Date
FR833743D Expired FR833743A (fr) 1937-02-17 1938-02-14 Systèmes de transmission radioélectriques

Country Status (4)

Country Link
US (1) US2159647A (de)
DE (1) DE886773C (de)
FR (1) FR833743A (de)
GB (1) GB493679A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497958A (en) * 1942-05-21 1950-02-21 Rca Corp Communication system for ultrashort radio waves
US2428582A (en) * 1942-05-21 1947-10-07 Rca Corp Radio diversity transmitter
NL79489C (de) * 1943-03-13
US2568408A (en) * 1947-05-17 1951-09-18 Rca Corp Frequency shift diversity transmission system
DE1016326B (de) * 1953-11-07 1957-09-26 Therese Eckert Geb Albrecht Verfahren zur Vermeidung von Gespraechsunterbrechungen in Sprechfunkverbindungen mit frequenzmodulierten Traegern
US3078348A (en) * 1959-01-27 1963-02-19 Frank H Mcintosh Lecture broadcasting system
US4280020A (en) * 1979-01-09 1981-07-21 Essex County Council Radio telephone system with direct digital carrier modulation for data transmission

Also Published As

Publication number Publication date
GB493679A (en) 1938-10-12
US2159647A (en) 1939-05-23
DE886773C (de) 1953-08-17

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