FR867359A - Radio communications systems - Google Patents

Radio communications systems

Info

Publication number: FR867359A
Authority: FR; France
Prior art keywords: communications systems; radio communications; radio; systems; communications
Prior art date: 1939-08-23
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

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.)

1939-08-23

Filing date

1940-10-02

Publication date

1941-10-20

1940-10-02 Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF

1941-10-20 Application granted granted Critical

1941-10-20 Publication of FR867359A publication Critical patent/FR867359A/en

Status Expired legal-status Critical Current

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
- H04B7/0837—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 pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
- H04B1/302—Circuits for homodyne or synchrodyne receivers for single sideband receivers

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Radio Transmission System (AREA)

FR867359D 1939-08-23 1940-10-02 Radio communications systems Expired FR867359A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US291481A US2219751A (en)	1939-08-23	1939-08-23	Single side band diversity radio receiving system

Publications (1)

Publication Number	Publication Date
FR867359A true FR867359A (en)	1941-10-20

Family

ID=23120473

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR867359D Expired FR867359A (en)	1939-08-23	1940-10-02	Radio communications systems

Country Status (5)

Country	Link
US (1)	US2219751A (en)
BE (1)	BE479917A (en)
CH (1)	CH270712A (en)
FR (1)	FR867359A (en)
GB (1)	GB539655A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2555557A (en) *	1947-02-25	1951-06-05	Rca Corp	Diversity receiver
US2720583A (en) *	1950-12-06	1955-10-11	Murray G Crosby	Diversity receiving system
US4313211A (en) *	1979-08-13	1982-01-26	Bell Telephone Laboratories, Incorporated	Single sideband receiver with pilot-based feed forward correction for motion-induced distortion
US5222250A (en) *	1992-04-03	1993-06-22	Cleveland John F	Single sideband radio signal processing system

0
- BE BE479917D patent/BE479917A/xx unknown
1939
- 1939-08-23 US US291481A patent/US2219751A/en not_active Expired - Lifetime
1940
- 1940-06-28 GB GB10998/40A patent/GB539655A/en not_active Expired
- 1940-10-02 FR FR867359D patent/FR867359A/en not_active Expired
1948
- 1948-01-09 CH CH270712D patent/CH270712A/en unknown

Also Published As

Publication number	Publication date
BE479917A (en)
US2219751A (en)	1940-10-29
GB539655A (en)	1941-09-18
CH270712A (en)	1950-09-15

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