GB9003721D0 - Antennas - Google Patents

Antennas

Info

Publication number
GB9003721D0
GB9003721D0 GB909003721A GB9003721A GB9003721D0 GB 9003721 D0 GB9003721 D0 GB 9003721D0 GB 909003721 A GB909003721 A GB 909003721A GB 9003721 A GB9003721 A GB 9003721A GB 9003721 D0 GB9003721 D0 GB 9003721D0
Authority
GB
United Kingdom
Prior art keywords
antennas
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.)
Withdrawn
Application number
GB909003721A
Other versions
GB2243489A (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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to GB9003721A priority Critical patent/GB2243489A/en
Publication of GB9003721D0 publication Critical patent/GB9003721D0/en
Publication of GB2243489A publication Critical patent/GB2243489A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02—Details
    • H01Q19/021—Means for reducing undesirable effects
    • H01Q19/027—Means for reducing undesirable effects for compensating or reducing aperture blockage
GB9003721A 1990-02-19 1990-02-19 Antenna Withdrawn GB2243489A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9003721A GB2243489A (en) 1990-02-19 1990-02-19 Antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9003721A GB2243489A (en) 1990-02-19 1990-02-19 Antenna

Publications (2)

Publication Number Publication Date
GB9003721D0 true GB9003721D0 (en) 1990-04-18
GB2243489A GB2243489A (en) 1991-10-30

Family

ID=10671248

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9003721A Withdrawn GB2243489A (en) 1990-02-19 1990-02-19 Antenna

Country Status (1)

Country Link
GB (1) GB2243489A (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178576A (en) * 1977-09-01 1979-12-11 Andrew Corporation Feed system for microwave antenna employing pattern control elements
NO148579C (en) * 1981-03-23 1983-11-02 Sintef Antenna
JPS5843604A (en) * 1981-09-09 1983-03-14 Japan Radio Co Ltd Antenna element
US4631547A (en) * 1984-06-25 1986-12-23 The United States Of America As Represented By The Secretary Of The Air Force Reflector antenna having sidelobe suppression elements
JPS62501326A (en) * 1984-11-19 1987-05-21 ヒユ−ズ・エアクラフト・カンパニ− Antenna design with high gain 1 area product
US4689632A (en) * 1985-05-30 1987-08-25 Rca Corporation Reflector antenna system having reduced blockage effects

Also Published As

Publication number Publication date
GB2243489A (en) 1991-10-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)