[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

HK1068469A1 - A primary radiator for a multibeam antenna - Google Patents

A primary radiator for a multibeam antenna

Info

Publication number
HK1068469A1
HK1068469A1 HK05100530A HK05100530A HK1068469A1 HK 1068469 A1 HK1068469 A1 HK 1068469A1 HK 05100530 A HK05100530 A HK 05100530A HK 05100530 A HK05100530 A HK 05100530A HK 1068469 A1 HK1068469 A1 HK 1068469A1
Authority
HK
Hong Kong
Prior art keywords
primary radiator
multibeam antenna
multibeam
antenna
radiator
Prior art date
Application number
HK05100530A
Other languages
English (en)
Inventor
Hiroaki Imaizumi
Koji Sakauchi
Shuji Hagiwara
Hirofumi Higuchi
Ryotaro Manabe
Original Assignee
Yagi Antenna Inc
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 JP30479196A external-priority patent/JP3190270B2/ja
Priority claimed from JP32297496A external-priority patent/JP3321589B2/ja
Priority claimed from JP32829596A external-priority patent/JP3403907B2/ja
Application filed by Yagi Antenna Inc filed Critical Yagi Antenna Inc
Publication of HK1068469A1 publication Critical patent/HK1068469A1/xx

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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/14—Bandages or dressings; Absorbent pads specially adapted for the breast or abdomen
    • A61F13/148—Abdomen bandages or bandaging garments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/02—Orthopaedic corsets
    • A61F5/028—Braces for providing support to the lower back, e.g. lumbo sacral supports
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/06—Waveguide mouths
    • H01Q13/065—Waveguide mouths provided with a flange or a choke
    • 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
    • H01Q19/12—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 wherein the surfaces are concave
    • 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
    • H01Q19/12—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 wherein the surfaces are concave
    • H01Q19/17—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 wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation 
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
    • H01Q3/18—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is movable and the reflecting device is fixed
    • 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

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Nursing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
HK05100530A 1996-11-15 2005-01-20 A primary radiator for a multibeam antenna HK1068469A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP30479196A JP3190270B2 (ja) 1996-11-15 1996-11-15 マルチビームアンテナ
JP32297496A JP3321589B2 (ja) 1996-12-03 1996-12-03 衛星受信用アンテナの一次放射器及び衛星受信用コンバータ
JP32829596A JP3403907B2 (ja) 1996-12-09 1996-12-09 衛星受信用コンバータ

Publications (1)

Publication Number Publication Date
HK1068469A1 true HK1068469A1 (en) 2005-04-29

Family

ID=27338710

Family Applications (2)

Application Number Title Priority Date Filing Date
HK05100529A HK1068468A1 (en) 1996-11-15 2005-01-20 A converter for receiving microwaves from satellites
HK05100530A HK1068469A1 (en) 1996-11-15 2005-01-20 A primary radiator for a multibeam antenna

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK05100529A HK1068468A1 (en) 1996-11-15 2005-01-20 A converter for receiving microwaves from satellites

Country Status (9)

Country Link
US (3) US6121939A (xx)
EP (3) EP1329988B1 (xx)
KR (2) KR100611422B1 (xx)
CN (3) CN1127778C (xx)
DE (2) DE69735652T2 (xx)
ES (2) ES2260533T3 (xx)
HK (2) HK1068468A1 (xx)
ID (1) ID18955A (xx)
TW (1) TW393800B (xx)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6121939A (en) * 1996-11-15 2000-09-19 Yagi Antenna Co., Ltd. Multibeam antenna
FR2777700B1 (fr) * 1998-04-20 2000-07-07 Org Europeenne Telecommunications Par Satellite Eutelsat Agencement de convertisseur de frequences pour antennes parabolique
GB9810584D0 (en) * 1998-05-15 1998-07-15 Cambridge Ind Ltd Low noise block (LNB) mounting system
US6150990A (en) * 1998-07-20 2000-11-21 Hughes Electronics Corporation Method for reducing cross-polar degradation in multi-feed dual offset reflector antennas
FR2782193A1 (fr) * 1998-08-04 2000-02-11 Agence Spatiale Europeenne Antenne de reception a reflecteur excentre a balayage par la tete de reception,notamment pour la reception de plusieurs satellites de television et son procede de mise en oeuvre
CN2365766Y (zh) * 1998-12-28 2000-02-23 台扬科技股份有限公司 具有可调整脚架的卫星信号接收装置
JP3607825B2 (ja) * 1999-02-01 2005-01-05 シャープ株式会社 マルチビームアンテナ
JP2001036336A (ja) * 1999-05-20 2001-02-09 Alps Electric Co Ltd フィードホーン
SE516053C2 (sv) * 2000-03-03 2001-11-12 Fayek Ashoor Satellitmottagare
US6593893B2 (en) 2000-03-06 2003-07-15 Hughes Electronics Corporation Multiple-beam antenna employing dielectric filled feeds for multiple and closely spaced satellites
TW471197B (en) * 2000-07-20 2002-01-01 Wistron Neweb Corp Integrated type bi-direction feed-in electromagnetic apparatus
KR20030063367A (ko) * 2000-10-28 2003-07-28 권태인 위성안테나용 엘엔비 홀더
DE60200997T2 (de) 2001-09-21 2005-08-18 Alps Electric Co., Ltd. Konverter zum Empfang von Satellitenrundfunk von mehreren Satelliten
US6700549B2 (en) * 2002-03-13 2004-03-02 Ydi Wireless, Inc. Dielectric-filled antenna feed
US6756949B2 (en) * 2002-09-24 2004-06-29 Spx Corporation Wideband cavity-backed antenna
FR2854737A1 (fr) * 2002-10-24 2004-11-12 Centre Nat Rech Scient Antenne a materiau bip multi-faisceaux et/ou multi- frequences et systeme mettant en oeuvre ces antennes.
CN100373813C (zh) * 2004-01-15 2008-03-05 启碁科技股份有限公司 卫星天线接收装置及其卫星讯号降频器
US7224320B2 (en) * 2004-05-18 2007-05-29 Probrand International, Inc. Small wave-guide radiators for closely spaced feeds on multi-beam antennas
TWI280689B (en) * 2004-09-07 2007-05-01 Wistron Neweb Corp Integrated feed horn apparatus
CN100359751C (zh) * 2004-09-14 2008-01-02 启碁科技股份有限公司 整合型集波装置
US7280080B2 (en) * 2005-02-11 2007-10-09 Andrew Corporation Multiple beam feed assembly
JP4519710B2 (ja) * 2005-05-19 2010-08-04 Ｄｘアンテナ株式会社 マルチビームフィードホーン、給電装置及びマルチビームアンテナ
TWI301394B (en) * 2005-12-15 2008-09-21 Wistron Neweb Corp Housing of satellite receiver and method for forming the same
US7511678B2 (en) * 2006-02-24 2009-03-31 Northrop Grumman Corporation High-power dual-frequency coaxial feedhorn antenna
DE102007029528A1 (de) 2006-06-27 2008-01-03 Ipcopter Gmbh & Co. Kg Verfahren zum Betreiben einer Satellitenkommunikationsanlage
JP4406657B2 (ja) * 2007-07-17 2010-02-03 シャープ株式会社 １次放射器、ローノイズ・ブロックダウン・コンバータおよび衛星放送受信用アンテナ
US7957692B2 (en) * 2007-10-19 2011-06-07 Chaparral Communications, Inc. Signal receiver circuit and method of implementation
EP2234204A4 (en) * 2007-12-07 2010-12-22 Nec Corp PARABOLIC ANTENNA
EP2315310A3 (en) * 2008-04-15 2012-05-23 Huber+Suhner AG Surface-mountable antenna with waveguide connector function, communication system, adaptor and arrangement comprising the antenna device
DE102009034429B4 (de) * 2009-07-23 2013-06-27 Kathrein-Werke Kg Flachantenne
KR101046208B1 (ko) * 2010-05-06 2011-07-04 (주) 에스마크텍 위성 안테나 장치
US9203162B2 (en) 2011-03-09 2015-12-01 Thrane & Thrane A/S Device for switching between linear and circular polarization using a rotatable depolarizer
US20130076583A1 (en) 2011-09-23 2013-03-28 Microelectronics Technology, Inc. Multiple feed antenna operating at significantly differing frequencies
CN103296377B (zh) * 2012-02-29 2017-06-23 深圳光启高等理工研究院 一种卫星电视天线支架及其卫星电视接收系统
US9035842B2 (en) * 2012-04-12 2015-05-19 Raytheon Company Miniature horn interrogator antenna with internal sum/difference combiner
CN102820554A (zh) * 2012-08-23 2012-12-12 佛山市健博通电讯实业有限公司 一种抛物面天线、双极化馈源及双极化馈源振子板
JPWO2014073445A1 (ja) * 2012-11-06 2016-09-08 シャープ株式会社 一次放射器
CN104369877B (zh) * 2014-09-03 2016-08-17 北京空间飞行器总体设计部 一种深空探测器天线指向的设计方法
US10249951B2 (en) 2014-10-02 2019-04-02 Viasat, Inc. Multi-beam bi-focal shaped reflector antenna for concurrent communication with multiple non-collocated geostationary satellites and associated method
US10079430B2 (en) * 2016-01-15 2018-09-18 The United States Of America, As Represented By The Secretary Of The Army Antenna mount
EP3419117B1 (en) * 2016-10-09 2023-04-26 Huawei Technologies Co., Ltd. Horn antenna
DE102017111987A1 (de) * 2017-05-31 2018-12-06 Mbda Deutschland Gmbh Vorrichtung zum Reduzieren von Störeinflüssen bei Antennen
FR3085552B1 (fr) * 2018-08-28 2020-11-20 Arianegroup Sas Antenne pour un satellite spatial
CA3170825A1 (en) 2020-02-25 2021-09-02 All.Space Networks Limited Prism for repointing reflector antenna main beam
US10892549B1 (en) 2020-02-28 2021-01-12 Northrop Grumman Systems Corporation Phased-array antenna system

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB222486A (xx) * 1923-09-25 1925-06-18 Deutsche Gasgluhlicht-Auer-Gesellschaft Mit Beschrankter Haftung
US3216017A (en) * 1962-12-04 1965-11-02 Martin Marietta Corp Polarizer for use in antenna and transmission line systems
US3553707A (en) * 1967-05-25 1971-01-05 Andrew Corp Wide-beam horn feed for parabolic antennas
US3803617A (en) * 1972-04-14 1974-04-09 Nasa High efficiency multifrequency feed
JPS5710504A (en) * 1980-06-24 1982-01-20 Kokusai Denshin Denwa Co Ltd <Kdd> Array antenna
DE3144319A1 (de) 1981-11-07 1983-05-19 Deutsche Bundespost, vertreten durch den Präsidenten des Fernmeldetechnischen Zentralamtes, 6100 Darmstadt "hornstrahler"
US4574289A (en) * 1983-05-31 1986-03-04 Harris Corporation Rotary scan antenna
US4658258A (en) 1983-11-21 1987-04-14 Rca Corporation Taperd horn antenna with annular choke channel
JPS60196003A (ja) 1984-03-19 1985-10-04 Nippon Telegr & Teleph Corp <Ntt> 低サイドロ−ブマルチビ−ムアンテナ
CA1262773A (en) * 1985-12-25 1989-11-07 Mitsuhiro Kusano Horn antenna with a choke surface-wave structure on the outer surface thereof
WO1987006066A1 (en) * 1986-03-25 1987-10-08 The Marconi Company Limited Wideband horn antenna
FR2604304B1 (fr) * 1986-09-19 1989-02-03 Portenseigne Tete de reception pour micro-ondes polarisees, antenne parabolique et station de reception munies d'une telle tete de reception
IT1200024B (it) * 1986-09-22 1989-01-05 Gte Telecom Spa Sistema irradiante a diversita' angloare per radiocollegamenti a diffusione troposferica
JPS63114402A (ja) 1986-10-31 1988-05-19 Fujitsu General Ltd フイ−ドフオ−ン
US5166698A (en) * 1988-01-11 1992-11-24 Innova, Inc. Electromagnetic antenna collimator
GB8816276D0 (en) * 1988-07-08 1988-08-10 Marconi Co Ltd Waveguide coupler
DE3829370A1 (de) 1988-08-30 1990-03-01 Kabelmetal Electro Gmbh Doppelerreger fuer spiegelantennen zur erzeugung zweier eng benachbarter strahlungskeulen
US5005023A (en) * 1988-12-01 1991-04-02 Gardiner Communications Corporation Dual band integrated LNB feedhorn system
JPH03141707A (ja) 1989-10-27 1991-06-17 Yagi Antenna Co Ltd 小形ヘリカルアンテナを用いた一次放射器
JPH04117705A (ja) 1990-09-06 1992-04-17 Mitsubishi Electric Corp ホーンアンテナ
JP3251605B2 (ja) 1991-04-30 2002-01-28 マスプロ電工株式会社 衛星受信システム
US5229736A (en) * 1992-01-07 1993-07-20 Adams Douglas W Waveguide polarization coupling
JP2669246B2 (ja) 1992-02-28 1997-10-27 日本電気株式会社 １次放射給電部
JPH05251928A (ja) * 1992-03-05 1993-09-28 Honda Motor Co Ltd アンテナ装置
KR960012973B1 (ko) * 1992-05-08 1996-09-25 모토로라 인코포레이티드 선택 호출 메시지를 수신하는 선택호출 수신장치와 그 정보표시 방법
JP3261173B2 (ja) * 1992-08-05 2002-02-25 デイエツクスアンテナ株式会社 偏波角調整アンテナ
JP3473033B2 (ja) * 1992-11-11 2003-12-02 松下電器産業株式会社 衛星受信用マルチビームアンテナ
JPH06164204A (ja) * 1992-11-24 1994-06-10 Matsushita Electric Ind Co Ltd 衛星受信用コンバータ
DE69320313T2 (de) * 1992-12-22 1998-12-24 Thomson Multimedia, Boulogne, Cedex Antennensystem mit Wendelantennen
KR100300937B1 (ko) * 1992-12-30 2001-10-22 똥송 멀티메디아 에스. 에이. 나선형안테나장치
FR2701337B1 (fr) * 1993-02-05 1995-07-07 Warchol Francois Support universel de tetes pour la reception multiple de satellites sur une seule antenne parabolique fixe.
US5426442A (en) * 1993-03-01 1995-06-20 Aerojet-General Corporation Corrugated feed horn array structure
JP2513406B2 (ja) * 1993-05-21 1996-07-03 日本電気株式会社 アンテナ装置
WO1995006963A1 (fr) * 1993-08-30 1995-03-09 Souren Parisovich Herouni Systeme d'antenne
US5463358A (en) * 1993-09-21 1995-10-31 Dunn; Daniel S. Multiple channel microwave rotary polarizer
JP3263206B2 (ja) * 1993-11-11 2002-03-04 株式会社東芝 アンテナ装置
WO1995025387A1 (fr) * 1994-03-17 1995-09-21 Fujitsu Limited Emetteur-recepteur a antenne
WO1996002953A1 (en) * 1994-07-20 1996-02-01 Commonwealth Scientific And Industrial Research Organisation Feed movement mechanism and control system for a multibeam antenna
FR2725561B1 (fr) * 1994-10-10 1996-11-08 Thomson Consumer Electronics Systeme a antennes sources multiples integrees au convertisseur de frequence a faible bruit
JPH08181523A (ja) * 1994-12-26 1996-07-12 Nec Corp 偏波角度調整機構
DE19505860A1 (de) 1995-02-21 1996-08-22 Philips Patentverwaltung Konverter
US5812096A (en) * 1995-10-10 1998-09-22 Hughes Electronics Corporation Multiple-satellite receive antenna with siamese feedhorn
FR2745661A1 (fr) * 1996-02-29 1997-09-05 Texas De France Commutateur pour tete universelle d'antenne parabolique
US6121939A (en) * 1996-11-15 2000-09-19 Yagi Antenna Co., Ltd. Multibeam antenna

Also Published As

Publication number Publication date
TW393800B (en) 2000-06-11
US6864850B2 (en) 2005-03-08
ES2260533T3 (es) 2006-11-01
DE69735682D1 (de) 2006-05-24
HK1068468A1 (en) 2005-04-29
EP1329987A1 (en) 2003-07-23
DE69735682T2 (de) 2006-08-24
US6121939A (en) 2000-09-19
ES2261810T3 (es) 2006-11-16
EP1329988A1 (en) 2003-07-23
CN1127778C (zh) 2003-11-12
KR100611422B1 (ko) 2006-12-01
KR20060086891A (ko) 2006-08-01
ID18955A (id) 1998-05-28
KR19980042444A (ko) 1998-08-17
DE69735652D1 (de) 2006-05-18
CN1516356A (zh) 2004-07-28
US20020097187A1 (en) 2002-07-25
CN1195900A (zh) 1998-10-14
EP1329988B1 (en) 2006-04-12
US6388633B1 (en) 2002-05-14
EP0843381A2 (en) 1998-05-20
DE69735652T2 (de) 2006-08-24
CN1516357A (zh) 2004-07-28
EP0843381A3 (en) 1999-01-07
EP1329987B1 (en) 2006-04-05
CN1269319C (zh) 2006-08-09
CN1269318C (zh) 2006-08-09

Similar Documents

Publication Publication Date Title
HK1068469A1 (en) A primary radiator for a multibeam antenna
GB2317994B (en) A multiresonant antenna
GB2324219B (en) A multi-beam radar system
HK1038645A1 (en) A dual-band antenna system
GB2321785B (en) A dielectric-loaded antenna
GB9626550D0 (en) A dipole antenna
AU3520297A (en) A dual-frequency antenna
GB2330951B (en) Antenna
EP0917240A4 (en) ADAPTABLE NETWORK ANTENNA
GB2347275B (en) Antenna
EP0965859A4 (en) RADAR SYSTEM
GB9804206D0 (en) A patch antenna
AU131408S (en) Antenna radome
IL132375A0 (en) A coupler for a multi-frequency antenna
IL132379A0 (en) A multi-frequency antenna
EP0923155A4 (en) ADAPTABLE NETWORK ANTENNA
GB9708758D0 (en) Antenna
GB2321343B (en) Antennas
GB2323714B (en) Antennas
KR960007761Y1 (en) Waterproof antenna for automobile
ZA96689B (en) A microloop antenna
SG54109A1 (en) A microloop antenna
AU1254497A (en) Installing a directional antenna
GB9708749D0 (en) A radiator
TW341386U (en) A twin-frequency antenna

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20131115