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GB2145569B - Reflector antenna - Google Patents

Reflector antenna

Info

Publication number
GB2145569B
GB2145569B GB08408429A GB8408429A GB2145569B GB 2145569 B GB2145569 B GB 2145569B GB 08408429 A GB08408429 A GB 08408429A GB 8408429 A GB8408429 A GB 8408429A GB 2145569 B GB2145569 B GB 2145569B
Authority
GB
United Kingdom
Prior art keywords
reflector antenna
reflector
antenna
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
GB08408429A
Other versions
GB8408429D0 (en
GB2145569A (en
Inventor
Hideo Sato
Akiyoshi Ogawa
Naoto Matsunaka
Takashi Katagi
Takashi Ebisui
Katsuhiko Aoki
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.)
Mitsubishi Electric Corp
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
Mitsubishi Electric Corp
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 Kokusai Denshin Denwa KK, Mitsubishi Electric Corp filed Critical Kokusai Denshin Denwa KK
Publication of GB8408429D0 publication Critical patent/GB8408429D0/en
Publication of GB2145569A publication Critical patent/GB2145569A/en
Application granted granted Critical
Publication of GB2145569B publication Critical patent/GB2145569B/en
Expired 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
    • H01Q19/10—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 using reflecting surfaces
    • H01Q19/18—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 using reflecting surfaces having two or more spaced reflecting surfaces
    • H01Q19/19—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 using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • 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
    • H01Q19/023—Means for reducing undesirable effects for reducing the scattering of mounting structures, e.g. of the struts
    • 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
    • H01Q19/10—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 using reflecting surfaces
    • H01Q19/12—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 using reflecting surfaces wherein the surfaces are concave
GB08408429A 1980-06-03 1984-04-02 Reflector antenna Expired GB2145569B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7454880A JPS56169906A (en) 1980-06-03 1980-06-03 Antenna device

Publications (3)

Publication Number Publication Date
GB8408429D0 GB8408429D0 (en) 1984-05-10
GB2145569A GB2145569A (en) 1985-03-27
GB2145569B true GB2145569B (en) 1985-09-18

Family

ID=13550410

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08408429A Expired GB2145569B (en) 1980-06-03 1984-04-02 Reflector antenna

Country Status (2)

Country Link
JP (1) JPS56169906A (en)
GB (1) GB2145569B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU627493B2 (en) * 1988-09-23 1992-08-27 Alcatel N.V. A circularly symmetrical reflector
US5182569A (en) * 1988-09-23 1993-01-26 Alcatel N.V. Antenna having a circularly symmetrical reflector
FR2637130B1 (en) * 1988-09-23 1991-05-31 Alcatel Transmission HIGH EFFICIENCY CASSEGRAIN OPTICAL ANTENNA
JP4884670B2 (en) * 2004-12-24 2012-02-29 株式会社デバイス Antenna lifting device
JPWO2011048941A1 (en) * 2009-10-21 2013-03-07 三菱電機株式会社 Antenna device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB609060A (en) * 1946-03-05 1948-09-24 Athur Harold Stevens Improvements in or relating to an absorption device for ultra high frequency radiant energy
GB1205014A (en) * 1966-10-04 1970-09-09 Gen Electric & English Elect Improvements in or relating to directional aerial systems
GB1162312A (en) * 1967-02-16 1969-08-27 Mini Of Technology London Improvements in or relating to Microwave Aerial Assemblies
JPS53105343A (en) * 1977-02-26 1978-09-13 Nippon Telegr & Teleph Corp <Ntt> Antenna unit
JPS54134959A (en) * 1978-04-12 1979-10-19 Mitsubishi Electric Corp Radio-wave shielding board

Also Published As

Publication number Publication date
GB8408429D0 (en) 1984-05-10
JPS56169906A (en) 1981-12-26
GB2145569A (en) 1985-03-27
JPH0221169B2 (en) 1990-05-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010601