DE69215737D1 - Radioempfangssysteme - Google Patents

Radioempfangssysteme

Info

Publication number
DE69215737D1
DE69215737D1 DE69215737T DE69215737T DE69215737D1 DE 69215737 D1 DE69215737 D1 DE 69215737D1 DE 69215737 T DE69215737 T DE 69215737T DE 69215737 T DE69215737 T DE 69215737T DE 69215737 D1 DE69215737 D1 DE 69215737D1
Authority
DE
Germany
Prior art keywords
radio reception
reception systems
systems
radio
reception
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 - Fee Related
Application number
DE69215737T
Other languages
English (en)
Other versions
DE69215737T2 (de
Inventor
Paul Robert Sharples
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.)
General Electric Co PLC
General Electric Co
Original Assignee
General Electric Co PLC
General 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 General Electric Co PLC, General Electric Co filed Critical General Electric Co PLC
Application granted granted Critical
Publication of DE69215737D1 publication Critical patent/DE69215737D1/de
Publication of DE69215737T2 publication Critical patent/DE69215737T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B7/0805—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 single receiver and antenna switching
    • H04B7/0814—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 single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
DE69215737T 1991-04-15 1992-04-01 Radioempfangssysteme Expired - Fee Related DE69215737T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919107919A GB9107919D0 (en) 1991-04-15 1991-04-15 Radio receiver systems

Publications (2)

Publication Number Publication Date
DE69215737D1 true DE69215737D1 (de) 1997-01-23
DE69215737T2 DE69215737T2 (de) 1997-04-03

Family

ID=10693243

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69215737T Expired - Fee Related DE69215737T2 (de) 1991-04-15 1992-04-01 Radioempfangssysteme

Country Status (6)

Country Link
US (1) US5204980A (de)
EP (1) EP0509677B1 (de)
JP (1) JPH07170219A (de)
DE (1) DE69215737T2 (de)
ES (1) ES2094873T3 (de)
GB (2) GB9107919D0 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05102899A (ja) * 1991-08-16 1993-04-23 Shiyoudenriyoku Kosoku Tsushin Kenkyusho:Kk 多周波通信方式
DE4309518A1 (de) * 1993-03-24 1994-10-06 Blaupunkt Werke Gmbh Schaltungsanordnung zur Ableitung mindestens eines von der Qualität eines empfangenen Signals abhängigen Qualitätssignals
US5481571A (en) * 1993-11-12 1996-01-02 Pacific Communication Sciences, Inc. Method and apparatus for switching between radio frequency circuits
DE10228723B4 (de) * 2002-06-27 2007-04-26 Harman Becker Automotive Systems Gmbh Verfahren zur Bewertung der Empfangsqualität eines Stereorundfunkempfängers und Stereorundfunkempfänger
DE102012211612A1 (de) * 2012-07-04 2014-01-09 Dr. Johannes Heidenhain Gmbh Tastsystem und Verfahren zum Betrieb eines Tastsystems
CN109950696B (zh) * 2018-04-25 2021-01-29 京东方科技集团股份有限公司 整流天线
CN113497351B (zh) * 2021-09-07 2022-01-11 华南理工大学 滤波天线及无线通信设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2243118A (en) * 1939-03-15 1941-05-27 Rca Corp Automatic antenna switching diversity system
US2504341A (en) * 1946-12-27 1950-04-18 Rca Corp Diversity receiver
US4696058A (en) * 1983-12-06 1987-09-22 Matsushita Electric Industrial Co., Ltd. Diversity receiver
US4742568A (en) * 1985-06-10 1988-05-03 Nec Corporation Receiver for antenna switching diversity systems
JPH0683127B2 (ja) * 1985-07-22 1994-10-19 日本電気株式会社 ダイバーシチ受信無線機
US4823398A (en) * 1985-12-23 1989-04-18 Kazuya Hashimoto Diversity receiver
DE3612235A1 (de) * 1986-04-11 1987-10-15 Blaupunkt Werke Gmbh Verfahren und schaltungsanordnung zum empfang von radiowellen mit mehreren antennen

Also Published As

Publication number Publication date
GB2255475B (en) 1995-03-01
GB9207093D0 (en) 1992-05-13
ES2094873T3 (es) 1997-02-01
US5204980A (en) 1993-04-20
EP0509677A2 (de) 1992-10-21
DE69215737T2 (de) 1997-04-03
EP0509677B1 (de) 1996-12-11
GB2255475A (en) 1992-11-04
EP0509677A3 (en) 1993-04-07
JPH07170219A (ja) 1995-07-04
GB9107919D0 (en) 1991-05-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee