IT970309B - Sistema di antenne - Google Patents

Sistema di antenne

Info

Publication number
IT970309B
IT970309B IT31416/72A IT3141672A IT970309B IT 970309 B IT970309 B IT 970309B IT 31416/72 A IT31416/72 A IT 31416/72A IT 3141672 A IT3141672 A IT 3141672A IT 970309 B IT970309 B IT 970309B
Authority
IT
Italy
Prior art keywords
antennas system
antennas
Prior art date
Application number
IT31416/72A
Other languages
English (en)
Original Assignee
Mitsubishi Electric Corp
Yoshihiro T
Shinchi B
Motoo M
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, Yoshihiro T, Shinchi B, Motoo M filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of IT970309B publication Critical patent/IT970309B/it

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
IT31416/72A 1971-11-17 1972-11-08 Sistema di antenne IT970309B (it)

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
IT970309B true IT970309B (it) 1974-04-10

Family

ID=26433679

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31416/72A IT970309B (it) 1971-11-17 1972-11-08 Sistema di antenne

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
US4339757A (en) * 1980-11-24 1982-07-13 Bell Telephone Laboratories, Incorporated Broadband astigmatic feed arrangement for an antenna
US4343004A (en) * 1980-11-24 1982-08-03 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.
ES2424626T3 (es) * 2007-03-16 2013-10-07 Mobile Sat Ltd. Antena montada en un vehículo y procedimiento para transmitir y/o recibir señales

Also Published As

Publication number Publication date
CA969631A (en) 1975-06-17
US3821746A (en) 1974-06-28

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