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AU6964487A - Direction-finding antenna system - Google Patents

Direction-finding antenna system

Info

Publication number
AU6964487A
AU6964487A AU69644/87A AU6964487A AU6964487A AU 6964487 A AU6964487 A AU 6964487A AU 69644/87 A AU69644/87 A AU 69644/87A AU 6964487 A AU6964487 A AU 6964487A AU 6964487 A AU6964487 A AU 6964487A
Authority
AU
Australia
Prior art keywords
antenna system
finding antenna
finding
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.)
Granted
Application number
AU69644/87A
Other versions
AU610061B2 (en
Inventor
Kelvin Cleophas Clarke
Percy William Hoare
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.)
EMI Group Electronics Ltd
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of AU6964487A publication Critical patent/AU6964487A/en
Application granted granted Critical
Publication of AU610061B2 publication Critical patent/AU610061B2/en
Assigned to THORN EMI ELECTRONICS LTD. reassignment THORN EMI ELECTRONICS LTD. Alteration of Name(s) in Register under S187 Assignors: N.V. PHILIPS GLOEILAMPENFABRIEKEN
Anticipated expiration legal-status Critical
Ceased 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
    • H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
    • 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
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/45—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
AU69644/87A 1986-03-05 1987-03-03 Direction-finding antenna system Ceased AU610061B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8605457 1986-03-05
GB8605457 1986-03-05

Publications (2)

Publication Number Publication Date
AU6964487A true AU6964487A (en) 1987-09-10
AU610061B2 AU610061B2 (en) 1991-05-16

Family

ID=10594094

Family Applications (1)

Application Number Title Priority Date Filing Date
AU69644/87A Ceased AU610061B2 (en) 1986-03-05 1987-03-03 Direction-finding antenna system

Country Status (3)

Country Link
EP (1) EP0237110A1 (en)
JP (1) JPS62272171A (en)
AU (1) AU610061B2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248344B (en) * 1990-09-25 1994-07-20 Secr Defence Three-dimensional patch antenna array
US9350086B2 (en) 2012-11-09 2016-05-24 Src, Inc. Shaped lens antenna for direction finding at the Ka-band
DE102015202801A1 (en) * 2015-02-17 2016-08-18 Robert Bosch Gmbh Antenna arrangement and method for producing an antenna arrangement
CN106654595B (en) * 2017-02-08 2022-09-27 华南理工大学 A high-gain low-profile vehicle-mounted antenna
CN107645066B (en) * 2017-08-03 2024-06-14 东莞市云通通讯科技有限公司 Communication base station antenna for improving side lobe suppression
CN116259957A (en) * 2021-12-10 2023-06-13 上海诺基亚贝尔股份有限公司 Antenna structure and radio device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1564646A (en) * 1968-02-09 1969-04-25
GB1238424A (en) * 1969-07-10 1971-07-07
DE2737750C1 (en) * 1977-08-22 1985-10-31 Siemens AG, 1000 Berlin und 8000 München Aircraft antenna system for IFF boarding
FR2442519A1 (en) * 1978-11-24 1980-06-20 Thomson Csf PRINTED MONOPULSE PRIMER SOURCE FOR AIRPORT RADAR ANTENNA AND ANTENNA COMPRISING SUCH A SOURCE
FR2445629A1 (en) * 1978-12-27 1980-07-25 Thomson Csf COMMON ANTENNA FOR PRIMARY RADAR AND SECONDARY RADAR
IT1166889B (en) * 1979-06-14 1987-05-06 Contraves Italiana Spa ARRANGEMENT OF INTEGRATED ANTENNAS FOR RADAR EQUIPMENT THAT ALLOWS THE CONTEMPORARY GENERATION OF TWO OR MORE IRRADIATION DIAGRAMS, ONE DIFFERENT FROM THE OTHER
US4283729A (en) * 1979-12-26 1981-08-11 Texas Instruments Incorporated Multiple beam antenna feed

Also Published As

Publication number Publication date
JPS62272171A (en) 1987-11-26
AU610061B2 (en) 1991-05-16
EP0237110A1 (en) 1987-09-16

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