GB9225755D0 - A multibeam passive antenna with shaped reflector(s) - Google Patents

A multibeam passive antenna with shaped reflector(s)

Info

Publication number
GB9225755D0
GB9225755D0 GB929225755A GB9225755A GB9225755D0 GB 9225755 D0 GB9225755 D0 GB 9225755D0 GB 929225755 A GB929225755 A GB 929225755A GB 9225755 A GB9225755 A GB 9225755A GB 9225755 D0 GB9225755 D0 GB 9225755D0
Authority
GB
United Kingdom
Prior art keywords
multibeam
passive antenna
shaped reflector
reflector
passive
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.)
Granted
Application number
GB929225755A
Other versions
GB2262387B (en
GB2262387A (en
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.)
Alcatel Espace Industries SA
Original Assignee
Alcatel Espace Industries SA
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 Alcatel Espace Industries SA filed Critical Alcatel Espace Industries SA
Publication of GB9225755D0 publication Critical patent/GB9225755D0/en
Publication of GB2262387A publication Critical patent/GB2262387A/en
Application granted granted Critical
Publication of GB2262387B publication Critical patent/GB2262387B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
    • 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
    • H01Q15/22—Reflecting surfaces; Equivalent structures functioning also as polarisation filter
    • 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
    • H01Q19/195—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 a reflecting surface acts also as a polarisation filter or a polarising device

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB9225755A 1991-12-09 1992-12-09 A multibeam antenna Expired - Fee Related GB2262387B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9115224A FR2684809B1 (en) 1991-12-09 1991-12-09 MULTI-BEAM PASSIVE ANTENNA WITH CONFORMITY REFLECTOR (S).

Publications (3)

Publication Number Publication Date
GB9225755D0 true GB9225755D0 (en) 1993-02-03
GB2262387A GB2262387A (en) 1993-06-16
GB2262387B GB2262387B (en) 1996-01-10

Family

ID=9419816

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9225755A Expired - Fee Related GB2262387B (en) 1991-12-09 1992-12-09 A multibeam antenna

Country Status (2)

Country Link
FR (1) FR2684809B1 (en)
GB (1) GB2262387B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2709380B1 (en) * 1993-08-23 1995-09-22 Alcatel Espace Bi-beam antenna with electronic scanning.
FR2719162B1 (en) * 1994-04-20 1996-12-06 Henri Sadones Wireless beam antenna with at least two directions of reflection.
US6137451A (en) * 1997-10-30 2000-10-24 Space Systems/Loral, Inc. Multiple beam by shaped reflector antenna
US6621461B1 (en) * 2000-08-09 2003-09-16 Hughes Electronics Corporation Gridded reflector antenna
US8552917B2 (en) 2010-04-28 2013-10-08 The Boeing Company Wide angle multibeams
FR2965412B1 (en) 2010-09-24 2013-03-22 Thales Sa ANTENNAIRE SYSTEM WITH TWO GRIDS OF SPOTS WITH ADDITIONAL IMBRIQUE MESH
US9153877B2 (en) 2011-12-20 2015-10-06 Space Systems/Loral, Llc High efficiency multi-beam antenna

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1158932A (en) * 1956-10-01 1958-06-20 Csf Improvements to horizontally polarized antennas
US3096519A (en) * 1958-04-14 1963-07-02 Sperry Rand Corp Composite reflector for two independent orthogonally polarized beams
DE1825829U (en) * 1960-06-09 1961-02-02 Telefunken Gmbh DIRECTIONAL ANTENNA ARRANGEMENT FOR ACHIEVING A COSECANS DIAGRAM WITH LARGE EDGE PITCH.
FR2368836A1 (en) * 1976-10-22 1978-05-19 Matra SWITCHABLE MULTI-BEAM RADIO-ELECTRIC HYPERFREQUENCY TRANSMISSION DEVICE
DE3484684D1 (en) * 1984-06-14 1991-07-11 Trw Inc MULTI-BEAM ANTENNA WITH HIGH EFFICIENCY.
US4647938A (en) * 1984-10-29 1987-03-03 Agence Spatiale Europeenne Double grid reflector antenna
CA1263180A (en) * 1985-11-12 1989-11-21 Rca Corporation Linearly polarized grid reflector antenna systems with improved cross-polarization performance
US5023619A (en) * 1986-12-01 1991-06-11 General Electric Company Satellite communications system
DE3885308D1 (en) * 1987-01-12 1993-12-09 Nec Corp Multi-beam antenna.
US4855751A (en) * 1987-04-22 1989-08-08 Trw Inc. High-efficiency multibeam antenna
GB2231203B (en) * 1989-03-14 1993-09-08 Kokusai Denshin Denwa Co Ltd An antenna system for shaped beam

Also Published As

Publication number Publication date
GB2262387B (en) 1996-01-10
FR2684809A1 (en) 1993-06-11
GB2262387A (en) 1993-06-16
FR2684809B1 (en) 1994-01-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20011209