FR2396436B1 - - Google Patents

Info

Publication number
FR2396436B1
FR2396436B1 FR7819321A FR7819321A FR2396436B1 FR 2396436 B1 FR2396436 B1 FR 2396436B1 FR 7819321 A FR7819321 A FR 7819321A FR 7819321 A FR7819321 A FR 7819321A FR 2396436 B1 FR2396436 B1 FR 2396436B1
Authority
FR
France
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
FR7819321A
Other versions
FR2396436A1 (fr
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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of FR2396436A1 publication Critical patent/FR2396436A1/fr
Application granted granted Critical
Publication of FR2396436B1 publication Critical patent/FR2396436B1/fr
Granted 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
    • H01Q19/192—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 with dual offset reflectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
    • H01Q15/161—Collapsible reflectors
    • H01Q15/162—Collapsible reflectors composed of a plurality of rigid panels

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
FR7819321A 1977-06-29 1978-06-28 Perfectionnements aux antennes a deux reflecteurs Granted FR2396436A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7747777A JPS5412550A (en) 1977-06-29 1977-06-29 Dual reflecting mirror antenna of offset type

Publications (2)

Publication Number Publication Date
FR2396436A1 FR2396436A1 (fr) 1979-01-26
FR2396436B1 true FR2396436B1 (fr) 1984-03-09

Family

ID=13635056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7819321A Granted FR2396436A1 (fr) 1977-06-29 1978-06-28 Perfectionnements aux antennes a deux reflecteurs

Country Status (4)

Country Link
US (1) US4319250A (fr)
JP (1) JPS5412550A (fr)
FR (1) FR2396436A1 (fr)
GB (1) GB2001476B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE331314T1 (de) * 2001-03-22 2006-07-15 Cit Alcatel Doppeltreflektor-antenne mit ablenker
US6608607B2 (en) * 2001-11-27 2003-08-19 Northrop Grumman Corporation High performance multi-band frequency selective reflector with equal beam coverage
RU2580461C2 (ru) * 2011-08-26 2016-04-10 Нек Корпорейшн Антенное устройство

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2703842A (en) * 1950-03-08 1955-03-08 Willard D Lewis Radar reflector
FR1445474A (fr) * 1964-12-09 1966-07-15 Procédé pour la fabrication de dispositifs collecteurs d'ondes comportant une paroi réfléchissante et dispositifs obtenus par un tel procédé
US3821746A (en) * 1971-11-17 1974-06-28 Mitsubishi Electric Corp Antenna system with distortion compensating reflectors
US3852765A (en) * 1972-12-19 1974-12-03 Itt Spherical double reflector antenna
JPS5513444B2 (fr) * 1973-12-21 1980-04-09
JPS51130144A (en) * 1975-05-06 1976-11-12 Nippon Telegr & Teleph Corp <Ntt> Offset cassegrain antenna

Also Published As

Publication number Publication date
US4319250A (en) 1982-03-09
FR2396436A1 (fr) 1979-01-26
JPS5412550A (en) 1979-01-30
GB2001476B (en) 1982-06-16
GB2001476A (en) 1979-01-31

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Legal Events

Date Code Title Description
TP Transmission of property