CA969631A - Antenna system - Google Patents

Antenna system

Info

Publication number
CA969631A
CA969631A CA156,850A CA156850A CA969631A CA 969631 A CA969631 A CA 969631A CA 156850 A CA156850 A CA 156850A CA 969631 A CA969631 A CA 969631A
Authority
CA
Canada
Prior art keywords
antenna system
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
CA156,850A
Other languages
English (en)
Other versions
CA156850S (en
Inventor
Shinichi Betsudan
Motoo Mizusawa
Yoshihiro Takeichi
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
Original Assignee
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
Priority claimed from JP9221171A external-priority patent/JPS5211872B2/ja
Priority claimed from JP9221071A external-priority patent/JPS5211871B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of CA969631A publication Critical patent/CA969631A/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
    • H01Q19/191—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 wherein the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds
CA156,850A 1971-11-17 1972-11-17 Antenna system Expired CA969631A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9221171A JPS5211872B2 (it) 1971-11-17 1971-11-17
JP9221071A JPS5211871B2 (it) 1971-11-17 1971-11-17

Publications (1)

Publication Number Publication Date
CA969631A true CA969631A (en) 1975-06-17

Family

ID=26433679

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,850A Expired CA969631A (en) 1971-11-17 1972-11-17 Antenna system

Country Status (3)

Country Link
US (1) US3821746A (it)
CA (1) CA969631A (it)
IT (1) IT970309B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2265190B1 (it) * 1974-03-19 1978-01-06 Thomson Csf
JPS51130143A (en) * 1975-05-08 1976-11-12 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna unit
JPS52140254A (en) * 1976-05-18 1977-11-22 Mitsubishi Electric Corp Antenna unit
US4186402A (en) * 1976-05-18 1980-01-29 Mitsubishi Denki Kabushiki Kaisha Cassegrainian antenna with beam waveguide feed to reduce spillover
US4145695A (en) * 1977-03-01 1979-03-20 Bell Telephone Laboratories, Incorporated Launcher reflectors for correcting for astigmatism in off-axis fed reflector antennas
JPS5412550A (en) * 1977-06-29 1979-01-30 Nippon Telegr & Teleph Corp <Ntt> Dual reflecting mirror antenna of offset type
US4203105A (en) * 1978-05-17 1980-05-13 Bell Telephone Laboratories, Incorporated Scanable antenna arrangements capable of producing a large image of a small array with minimal aberrations
JPS56107605A (en) * 1980-01-30 1981-08-26 Mitsubishi Electric Corp Double-reflector antenna device
US4343004A (en) * 1980-11-24 1982-08-03 Bell Telephone Laboratories, Incorporated Broadband astigmatic feed arrangement for an antenna
US4339757A (en) * 1980-11-24 1982-07-13 Bell Telephone Laboratories, Incorporated Broadband astigmatic feed arrangement for an antenna
US4343000A (en) * 1981-04-06 1982-08-03 The United States Of America As Represented By The Secretary Of The Navy Aircraft self-protection radar
JPS58139503A (ja) * 1982-02-15 1983-08-18 Kokusai Denshin Denwa Co Ltd <Kdd> ビ−ム給電装置
US4535338A (en) * 1982-05-10 1985-08-13 At&T Bell Laboratories Multibeam antenna arrangement
US4491848A (en) * 1982-08-30 1985-01-01 At&T Bell Laboratories Substantially frequency-independent aberration correcting antenna arrangement
US4482898A (en) * 1982-10-12 1984-11-13 At&T Bell Laboratories Antenna feed arrangement for correcting for astigmatism
FR2580868B1 (fr) * 1985-04-19 1988-04-08 Thomson Csf Dispositif reflechissant les ondes electromagnetiques d'une polarisation et son procede de realisation
US6225961B1 (en) 1999-07-27 2001-05-01 Prc Inc. Beam waveguide antenna with independently steerable antenna beams and method of compensating for planetary aberration in antenna beam tracking of spacecraft
FR2897722B1 (fr) * 2006-02-23 2008-07-11 Agence Spatiale Europeenne Antenne multi faisceaux.
EP2137789B1 (en) * 2007-03-16 2013-05-08 Mobile SAT Ltd. A vehicle mounted antenna and methods for transmitting and/or receiving signals

Also Published As

Publication number Publication date
US3821746A (en) 1974-06-28
IT970309B (it) 1974-04-10

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