GB2231203B - An antenna system for shaped beam - Google Patents

An antenna system for shaped beam

Info

Publication number
GB2231203B
GB2231203B GB9005614A GB9005614A GB2231203B GB 2231203 B GB2231203 B GB 2231203B GB 9005614 A GB9005614 A GB 9005614A GB 9005614 A GB9005614 A GB 9005614A GB 2231203 B GB2231203 B GB 2231203B
Authority
GB
United Kingdom
Prior art keywords
antenna system
shaped beam
shaped
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 - Fee Related
Application number
GB9005614A
Other versions
GB9005614D0 (en
GB2231203A (en
Inventor
Shinichi Nomoto
Fumio Watanabe
Yoshihiko Mizuguchi
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 JP1059762A external-priority patent/JPH02239724A/en
Priority claimed from JP1059763A external-priority patent/JP2596119B2/en
Application filed by Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Publication of GB9005614D0 publication Critical patent/GB9005614D0/en
Publication of GB2231203A publication Critical patent/GB2231203A/en
Application granted granted Critical
Publication of GB2231203B publication Critical patent/GB2231203B/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
    • H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
    • H01Q15/168—Mesh reflectors mounted on a non-collapsible frame

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
GB9005614A 1989-03-14 1990-03-13 An antenna system for shaped beam Expired - Fee Related GB2231203B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1059762A JPH02239724A (en) 1989-03-14 1989-03-14 Reflector
JP1059763A JP2596119B2 (en) 1989-03-14 1989-03-14 Shaped beam reflector antenna device

Publications (3)

Publication Number Publication Date
GB9005614D0 GB9005614D0 (en) 1990-05-09
GB2231203A GB2231203A (en) 1990-11-07
GB2231203B true GB2231203B (en) 1993-09-08

Family

ID=26400831

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9005614A Expired - Fee Related GB2231203B (en) 1989-03-14 1990-03-13 An antenna system for shaped beam

Country Status (1)

Country Link
GB (1) GB2231203B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2684809B1 (en) * 1991-12-09 1994-01-21 Alcatel Espace MULTI-BEAM PASSIVE ANTENNA WITH CONFORMITY REFLECTOR (S).
EP0562355A3 (en) * 1992-03-26 1995-06-14 Siemens Ag Antenna for radar surveillance

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2113011A (en) * 1981-11-12 1983-07-27 Focus Communications Inc Frequency selective antenna
EP0219321A1 (en) * 1985-10-10 1987-04-22 British Aerospace Public Limited Company Antenna systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2113011A (en) * 1981-11-12 1983-07-27 Focus Communications Inc Frequency selective antenna
EP0219321A1 (en) * 1985-10-10 1987-04-22 British Aerospace Public Limited Company Antenna systems

Also Published As

Publication number Publication date
GB9005614D0 (en) 1990-05-09
GB2231203A (en) 1990-11-07

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Legal Events

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

Effective date: 19990313