EP0290969A3 - Antenne pliable à deux surfaces réfléchissantes - Google Patents

Antenne pliable à deux surfaces réfléchissantes Download PDF

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Publication number
EP0290969A3
EP0290969A3 EP88107264A EP88107264A EP0290969A3 EP 0290969 A3 EP0290969 A3 EP 0290969A3 EP 88107264 A EP88107264 A EP 88107264A EP 88107264 A EP88107264 A EP 88107264A EP 0290969 A3 EP0290969 A3 EP 0290969A3
Authority
EP
European Patent Office
Prior art keywords
antenna
reflecting surfaces
reflector
sub
applications
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Withdrawn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
EP88107264A
Other languages
German (de)
English (en)
Other versions
EP0290969A2 (fr
Inventor
Giovanni Manoni
Enrico Nisi
Giorgio Perrotta
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.)
Alenia Spazio SpA
Original Assignee
Selenia Spazio SpA
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 Selenia Spazio SpA filed Critical Selenia Spazio SpA
Publication of EP0290969A2 publication Critical patent/EP0290969A2/fr
Publication of EP0290969A3 publication Critical patent/EP0290969A3/fr
Withdrawn legal-status Critical Current

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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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
EP88107264A 1987-05-15 1988-05-06 Antenne pliable à deux surfaces réfléchissantes Withdrawn EP0290969A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT47946/87A IT1205964B (it) 1987-05-15 1987-05-15 Antenna con due superfici riflettenti e sub-reflettore dispiegabile
IT4794687 1987-05-15

Publications (2)

Publication Number Publication Date
EP0290969A2 EP0290969A2 (fr) 1988-11-17
EP0290969A3 true EP0290969A3 (fr) 1990-03-28

Family

ID=11263532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107264A Withdrawn EP0290969A3 (fr) 1987-05-15 1988-05-06 Antenne pliable à deux surfaces réfléchissantes

Country Status (2)

Country Link
EP (1) EP0290969A3 (fr)
IT (1) IT1205964B (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646564A (en) * 1969-03-03 1972-02-29 Raytheon Co Antenna slew system
FR2517626A1 (fr) * 1981-12-04 1983-06-10 Europ Agence Spatiale Engin spatial orbital, notamment satellite, a missions multiples
EP0152221A2 (fr) * 1984-02-09 1985-08-21 THE GENERAL ELECTRIC COMPANY, p.l.c. Station terrienne pour systèmes de télécommunications par satellite
EP0181221A2 (fr) * 1984-11-07 1986-05-14 THE GENERAL ELECTRIC COMPANY, p.l.c. Arrangement de reflectors pour une antenne pliable

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6051004A (ja) * 1983-08-30 1985-03-22 Nec Corp 人工衛星塔載用のパラボラアンテナ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646564A (en) * 1969-03-03 1972-02-29 Raytheon Co Antenna slew system
FR2517626A1 (fr) * 1981-12-04 1983-06-10 Europ Agence Spatiale Engin spatial orbital, notamment satellite, a missions multiples
EP0152221A2 (fr) * 1984-02-09 1985-08-21 THE GENERAL ELECTRIC COMPANY, p.l.c. Station terrienne pour systèmes de télécommunications par satellite
EP0181221A2 (fr) * 1984-11-07 1986-05-14 THE GENERAL ELECTRIC COMPANY, p.l.c. Arrangement de reflectors pour une antenne pliable

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 178 (E-330)[1901], 23rd July 1985; & JP-A-60 051 004 (NIPPON DENKI K.K.) 22-03-1985 *

Also Published As

Publication number Publication date
IT8747946A0 (it) 1987-05-15
IT1205964B (it) 1989-04-05
EP0290969A2 (fr) 1988-11-17

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