CA2505482C - Directional antenna array - Google Patents

Directional antenna array Download PDF

Info

Publication number
CA2505482C
CA2505482C CA2505482A CA2505482A CA2505482C CA 2505482 C CA2505482 C CA 2505482C CA 2505482 A CA2505482 A CA 2505482A CA 2505482 A CA2505482 A CA 2505482A CA 2505482 C CA2505482 C CA 2505482C
Authority
CA
Canada
Prior art keywords
antenna array
directional antenna
parasitic element
portable
parasitic
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
CA2505482A
Other languages
English (en)
French (fr)
Other versions
CA2505482A1 (en
Inventor
Richard T. Knadle, Jr.
Hal E. Charych
Henry Grossfeld
Robert P. Pandorf
Minh Luong Ngoc
Raj Bridgelall
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.)
Symbol Technologies LLC
Original Assignee
Symbol Technologies LLC
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 Symbol Technologies LLC filed Critical Symbol Technologies LLC
Publication of CA2505482A1 publication Critical patent/CA2505482A1/en
Application granted granted Critical
Publication of CA2505482C publication Critical patent/CA2505482C/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
    • H01Q21/00—Antenna arrays or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • H01Q9/285—Planar dipole
    • 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
    • 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
    • H01Q19/28—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 a secondary device in the form of two or more substantially straight conductive elements
    • H01Q19/30—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 a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
CA2505482A 2003-09-12 2004-08-23 Directional antenna array Expired - Lifetime CA2505482C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/661,652 2003-09-12
US10/661,652 US7205953B2 (en) 2003-09-12 2003-09-12 Directional antenna array
PCT/US2004/027440 WO2005038983A1 (en) 2003-09-12 2004-08-23 Directional antenna array

Publications (2)

Publication Number Publication Date
CA2505482A1 CA2505482A1 (en) 2005-04-28
CA2505482C true CA2505482C (en) 2013-01-22

Family

ID=34273900

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2505482A Expired - Lifetime CA2505482C (en) 2003-09-12 2004-08-23 Directional antenna array

Country Status (8)

Country Link
US (1) US7205953B2 (enExample)
EP (1) EP1665460A1 (enExample)
JP (1) JP4689610B2 (enExample)
KR (1) KR101145191B1 (enExample)
CN (1) CN1706075B (enExample)
AU (2) AU2004275396A1 (enExample)
CA (1) CA2505482C (enExample)
WO (1) WO2005038983A1 (enExample)

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US20070139249A1 (en) * 2005-12-16 2007-06-21 Izhak Baharav Handheld microwave imaging device
US7463211B2 (en) * 2006-03-28 2008-12-09 Fluid Motion, Inc. Adjustable antenna element and antennas employing same
US7911406B2 (en) * 2006-03-31 2011-03-22 Bradley Lee Eckwielen Modular digital UHF/VHF antenna
US7626557B2 (en) 2006-03-31 2009-12-01 Bradley L. Eckwielen Digital UHF/VHF antenna
JP4724093B2 (ja) * 2006-10-30 2011-07-13 株式会社日立製作所 Ｒｆｉｄタグリーダ用アンテナ
JP2008225959A (ja) * 2007-03-14 2008-09-25 Sato Corp 情報記録担体
KR100876332B1 (ko) * 2007-03-22 2008-12-31 신정현 수신 안테나
TW200939573A (en) * 2008-03-12 2009-09-16 China Steel Corp Radio frequency identification system tag utilizing monopole antenna
US8842053B1 (en) 2008-03-14 2014-09-23 Fluidmotion, Inc. Electrically shortened Yagi having improved performance
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CN102067380A (zh) * 2008-05-19 2011-05-18 盖尔创尼克斯有限公司 整合式天线
JP4623141B2 (ja) * 2008-05-28 2011-02-02 株式会社日本自動車部品総合研究所 平面アンテナ、通信装置、および平面アンテナの搭載方法
USD612838S1 (en) * 2009-09-08 2010-03-30 Tracker Inc. Antenna structure for radio tracking receiver
US8558748B2 (en) * 2009-10-19 2013-10-15 Ralink Technology Corp. Printed dual-band Yagi-Uda antenna and circular polarization antenna
US8319694B2 (en) 2009-12-11 2012-11-27 Symbol Technologies, Inc. Compact dual-mode UHF RFID reader antenna systems and methods
US8643562B2 (en) 2010-07-30 2014-02-04 Donald C. D. Chang Compact patch antenna array
TWI536656B (zh) * 2011-05-18 2016-06-01 瑞軒科技股份有限公司 具指向性天線之顯示裝置
CN103996356B (zh) * 2011-05-25 2017-05-03 瑞轩科技股份有限公司 具指向性天线的显示装置
US9337542B2 (en) * 2012-03-14 2016-05-10 The United States Of America As Represented By The Secretary Of The Army Modular gridded tapered slot antenna
US9105963B2 (en) 2012-11-27 2015-08-11 Fluidmotion, Inc. Tunable Yagi and other antennas
USD863268S1 (en) 2018-05-04 2019-10-15 Scott R. Archer Yagi-uda antenna with triangle loop
CN114256606B (zh) * 2021-12-21 2024-03-29 上海海积信息科技股份有限公司 一种天线

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US4336543A (en) * 1977-05-18 1982-06-22 Grumman Corporation Electronically scanned aircraft antenna system having a linear array of yagi elements
US4218686A (en) * 1978-02-23 1980-08-19 Blonder-Tongue Laboratories, Inc. Yagi-type antennas and method
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JPH02183603A (ja) * 1989-01-10 1990-07-18 Matsushita Electric Works Ltd 雨樋アンテナ
US4977408A (en) * 1989-06-28 1990-12-11 General Electric Company Deployable antenna bay
US5220335A (en) * 1990-03-30 1993-06-15 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Planar microstrip Yagi antenna array
NZ255598A (en) * 1992-08-07 1996-06-25 Deltec New Zealand Dipole antenna; radiators electrically coupled by spaced tabs provide impedance compensation
US6229491B1 (en) * 1992-08-31 2001-05-08 Northrop Grumman Corporation Compact Yagi antenna array for aircraft
NZ314270A (en) 1992-11-18 1998-06-26 British Tech Group Transponder identification system: interrogator transmits inhibiting signal to disable transponders
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US6061036A (en) * 1998-02-03 2000-05-09 Ericsson, Inc. Rigid and flexible antenna
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US6069564A (en) * 1998-09-08 2000-05-30 Hatano; Richard Multi-directional RFID antenna
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US6239765B1 (en) * 1999-02-27 2001-05-29 Rangestar Wireless, Inc. Asymmetric dipole antenna assembly
US6617982B1 (en) * 1999-04-23 2003-09-09 Sony Computer Entertainment Inc. Operating device
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US6307524B1 (en) * 2000-01-18 2001-10-23 Core Technology, Inc. Yagi antenna having matching coaxial cable and driven element impedances
US6326922B1 (en) * 2000-06-29 2001-12-04 Worldspace Corporation Yagi antenna coupled with a low noise amplifier on the same printed circuit board
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Also Published As

Publication number Publication date
CA2505482A1 (en) 2005-04-28
CN1706075B (zh) 2010-10-20
WO2005038983A1 (en) 2005-04-28
AU2004275396A1 (en) 2005-06-02
EP1665460A1 (en) 2006-06-07
AU2004275396A8 (en) 2008-10-02
KR101145191B1 (ko) 2012-05-16
JP2007505560A (ja) 2007-03-08
US7205953B2 (en) 2007-04-17
CN1706075A (zh) 2005-12-07
JP4689610B2 (ja) 2011-05-25
KR20060114281A (ko) 2006-11-06
AU2010221814A1 (en) 2010-10-07
AU2010221814B2 (en) 2012-07-19
US20050057418A1 (en) 2005-03-17

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