GB2235585B - Rf receiver/transmitter - Google Patents

Rf receiver/transmitter

Info

Publication number
GB2235585B
GB2235585B GB8330210A GB8330210A GB2235585B GB 2235585 B GB2235585 B GB 2235585B GB 8330210 A GB8330210 A GB 8330210A GB 8330210 A GB8330210 A GB 8330210A GB 2235585 B GB2235585 B GB 2235585B
Authority
GB
United Kingdom
Prior art keywords
transmitter
receiver
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 - Lifetime
Application number
GB8330210A
Other versions
GB2235585A (en
Inventor
Michael William Hosking
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.)
BAE Systems PLC
Original Assignee
British Aerospace PLC
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 British Aerospace PLC filed Critical British Aerospace PLC
Priority to GB8330210A priority Critical patent/GB2235585B/en
Publication of GB2235585A publication Critical patent/GB2235585A/en
Application granted granted Critical
Publication of GB2235585B publication Critical patent/GB2235585B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01Q25/008—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 lens fed multibeam arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/247—Supports; Mounting means by structural association with other equipment or articles with receiving set with frequency mixer, e.g. for direct satellite reception or Doppler radar

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB8330210A 1982-11-12 1983-11-14 Rf receiver/transmitter Expired - Lifetime GB2235585B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8330210A GB2235585B (en) 1982-11-12 1983-11-14 Rf receiver/transmitter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8232262 1982-11-12
GB8330210A GB2235585B (en) 1982-11-12 1983-11-14 Rf receiver/transmitter

Publications (2)

Publication Number Publication Date
GB2235585A GB2235585A (en) 1991-03-06
GB2235585B true GB2235585B (en) 1991-08-07

Family

ID=26284380

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8330210A Expired - Lifetime GB2235585B (en) 1982-11-12 1983-11-14 Rf receiver/transmitter

Country Status (1)

Country Link
GB (1) GB2235585B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0683561A1 (en) * 1994-05-18 1995-11-22 Guan-Wu Wang Low-cost low noise block down-converter with a self-oscillating mixer for satellite broadcast receivers
AU2452799A (en) * 1999-01-07 2000-07-24 Spike Broadband Systems, Inc. Apparatus for high-performance sectored antenna system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488850A (en) * 1973-12-27 1977-10-12 Rca Corp Electronic identification system
GB1545883A (en) * 1975-03-17 1979-05-16 Int Standard Electric Corp Antenna element and phase shifter for scanning antenna array
GB2121610A (en) * 1982-05-13 1983-12-21 Mini Defence Broadband microstrip antennas

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488850A (en) * 1973-12-27 1977-10-12 Rca Corp Electronic identification system
GB1545883A (en) * 1975-03-17 1979-05-16 Int Standard Electric Corp Antenna element and phase shifter for scanning antenna array
GB2121610A (en) * 1982-05-13 1983-12-21 Mini Defence Broadband microstrip antennas

Also Published As

Publication number Publication date
GB2235585A (en) 1991-03-06

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Legal Events

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

Effective date: 19931114