DK590187D0 - Trykt-kredsloebsantenne - Google Patents

Trykt-kredsloebsantenne

Info

Publication number
DK590187D0
DK590187D0 DK590187A DK590187A DK590187D0 DK 590187 D0 DK590187 D0 DK 590187D0 DK 590187 A DK590187 A DK 590187A DK 590187 A DK590187 A DK 590187A DK 590187 D0 DK590187 D0 DK 590187D0
Authority
DK
Denmark
Prior art keywords
printed
antenna circuit
antenna
circuit
Prior art date
Application number
DK590187A
Other languages
English (en)
Other versions
DK590187A (da
Inventor
Amir Ibrahim Zaghloul
Robert Michael Sorbello
Original Assignee
Communications Satellite Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25459034&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK590187(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Communications Satellite Corp filed Critical Communications Satellite Corp
Publication of DK590187D0 publication Critical patent/DK590187D0/da
Publication of DK590187A publication Critical patent/DK590187A/da

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/065—Patch antenna array
    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration
    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
    • H01Q9/0457—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means electromagnetically coupled to the feed line

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
DK590187A 1986-11-13 1987-11-11 Trykt-kredsloebsantenne DK590187A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/930,187 US5005019A (en) 1986-11-13 1986-11-13 Electromagnetically coupled printed-circuit antennas having patches or slots capacitively coupled to feedlines

Publications (2)

Publication Number Publication Date
DK590187D0 true DK590187D0 (da) 1987-11-11
DK590187A DK590187A (da) 1988-05-14

Family

ID=25459034

Family Applications (1)

Application Number Title Priority Date Filing Date
DK590187A DK590187A (da) 1986-11-13 1987-11-11 Trykt-kredsloebsantenne

Country Status (10)

Country Link
US (1) US5005019A (da)
EP (1) EP0271458B1 (da)
JP (1) JPS63135003A (da)
KR (1) KR960016368B1 (da)
AU (1) AU600990B2 (da)
CA (1) CA1293563C (da)
DE (1) DE3787956T2 (da)
DK (1) DK590187A (da)
IN (1) IN169877B (da)
NO (1) NO874729L (da)

Families Citing this family (142)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1263745A (en) * 1985-12-03 1989-12-05 Nippon Telegraph & Telephone Corporation Shorted microstrip antenna
JPH0693635B2 (ja) * 1986-12-19 1994-11-16 日本電気株式会社 小型無線機
JP2501809B2 (ja) * 1987-01-14 1996-05-29 松下電工株式会社 平面アンテナ
US4926189A (en) * 1988-05-10 1990-05-15 Communications Satellite Corporation High-gain single- and dual-polarized antennas employing gridded printed-circuit elements
KR920002227B1 (ko) * 1988-05-13 1992-03-20 야기 안테나 가부시끼가이샤 마이크로스트립 어레이 안테나
US5181042A (en) * 1988-05-13 1993-01-19 Yagi Antenna Co., Ltd. Microstrip array antenna
JPH01297905A (ja) * 1988-05-26 1989-12-01 Matsushita Electric Works Ltd 平面アンテナ
US5125109A (en) * 1988-06-23 1992-06-23 Comsat Low noise block down-converter for direct broadcast satellite receiver integrated with a flat plate antenna
GB8816276D0 (en) * 1988-07-08 1988-08-10 Marconi Co Ltd Waveguide coupler
US5061943A (en) * 1988-08-03 1991-10-29 Agence Spatiale Europenne Planar array antenna, comprising coplanar waveguide printed feed lines cooperating with apertures in a ground plane
US5001492A (en) * 1988-10-11 1991-03-19 Hughes Aircraft Company Plural layer co-planar waveguide coupling system for feeding a patch radiator array
JP2537390B2 (ja) * 1988-12-23 1996-09-25 原田工業株式会社 プレ―ンアンテナ
JP2693565B2 (ja) * 1989-03-27 1997-12-24 日立化成工業株式会社 平面アンテナ
JP2862265B2 (ja) * 1989-03-30 1999-03-03 デイエツクスアンテナ株式会社 平面アンテナ
US5270721A (en) * 1989-05-15 1993-12-14 Matsushita Electric Works, Ltd. Planar antenna
JPH03158004A (ja) * 1989-11-15 1991-07-08 Matsushita Electric Works Ltd 平面アンテナ
US5001493A (en) * 1989-05-16 1991-03-19 Hughes Aircraft Company Multiband gridded focal plane array antenna
US4965605A (en) * 1989-05-16 1990-10-23 Hac Lightweight, low profile phased array antenna with electromagnetically coupled integrated subarrays
FR2648626B1 (fr) * 1989-06-20 1991-08-23 Alcatel Espace Element rayonnant diplexant
FR2651926B1 (fr) * 1989-09-11 1991-12-13 Alcatel Espace Antenne plane.
JPH0680975B2 (ja) * 1989-10-25 1994-10-12 デイエツクスアンテナ株式会社 誘電体装荷アレイアンテナ
JP2536194B2 (ja) * 1989-10-31 1996-09-18 三菱電機株式会社 マイクロストリップアンテナ
DE69020319T2 (de) * 1989-12-11 1996-03-14 Toyoda Chuo Kenkyusho Kk Mobiles Antennensystem.
CA2030963C (en) * 1989-12-14 1995-08-15 Robert Michael Sorbello Orthogonally polarized dual-band printed circuit antenna employing radiating elements capacitively coupled to feedlines
US5321411A (en) * 1990-01-26 1994-06-14 Matsushita Electric Works, Ltd. Planar antenna for linearly polarized waves
JPH03254208A (ja) * 1990-03-02 1991-11-13 A T R Koudenpa Tsushin Kenkyusho:Kk マイクロストリップアンテナ
US5006859A (en) * 1990-03-28 1991-04-09 Hughes Aircraft Company Patch antenna with polarization uniformity control
US5345205A (en) * 1990-04-05 1994-09-06 General Electric Company Compact high density interconnected microwave system
FR2747844A1 (fr) * 1990-06-22 1997-10-24 Lgt Lab Gen Telecomm Dispositif d'alimentation pour reseau d'antennes plaques a double polarisation croisee et reseau equipe d'un tel dispositif
FR2664432B1 (fr) * 1990-07-04 1992-11-20 Alcatel Espace Module hyperfrequence triplaque.
CA2049597A1 (en) * 1990-09-28 1992-03-29 Clifton Quan Dielectric flare notch radiator with separate transmit and receive ports
JPH04172703A (ja) * 1990-11-06 1992-06-19 Shimada Phys & Chem Ind Co Ltd マイクロストリップアンテナ
JPH04207602A (ja) * 1990-11-30 1992-07-29 Dx Antenna Co Ltd 円―直線偏波変換器
CA2059364A1 (en) * 1991-01-30 1992-07-31 Eric C. Kohls Waveguide transition for flat plate antenna
FR2672437B1 (fr) * 1991-02-01 1993-09-17 Alcatel Espace Dispositif rayonnant pour antenne plane.
CA2061254C (en) * 1991-03-06 2001-07-03 Jean Francois Zurcher Planar antennas
US5231406A (en) * 1991-04-05 1993-07-27 Ball Corporation Broadband circular polarization satellite antenna
GB2256530B (en) * 1991-04-24 1995-08-09 Matsushita Electric Works Ltd Planar antenna
JPH0567912A (ja) * 1991-04-24 1993-03-19 Matsushita Electric Works Ltd 平面アンテナ
FR2677491B1 (fr) * 1991-06-10 1993-08-20 Alcatel Espace Antenne hyperfrequence elementaire bipolarisee.
US5210542A (en) * 1991-07-03 1993-05-11 Ball Corporation Microstrip patch antenna structure
JP2604947B2 (ja) * 1991-09-16 1997-04-30 エルジー電子株式会社 平面アンテナ
DE4139245A1 (de) * 1991-11-26 1993-05-27 Ekkehard Dr Ing Richter Mikrowellenschlitzantennen
JPH0744380B2 (ja) * 1991-12-13 1995-05-15 松下電工株式会社 平面アンテナ
JP3004439B2 (ja) * 1992-01-17 2000-01-31 日立化成工業株式会社 平面アンテナ
US5241321A (en) * 1992-05-15 1993-08-31 Space Systems/Loral, Inc. Dual frequency circularly polarized microwave antenna
FR2706085B1 (fr) * 1993-06-03 1995-07-07 Alcatel Espace Structure rayonnante multicouches à directivité variable.
US5386196A (en) * 1993-08-23 1995-01-31 Denmar, Inc. System and method for accurate contactless measurement of the resistivity of a test material
US5936579A (en) * 1994-06-09 1999-08-10 Zakrytoe Aktsionernoe Obschestvo Flant Planar antenna array and microstrip radiating element for planar antenna array
US5467094A (en) 1994-06-28 1995-11-14 Comsat Corporation Flat antenna low-noise block down converter capacitively coupled to feed network
DE4442894A1 (de) * 1994-12-02 1996-06-13 Dettling & Oberhaeusser Ing Empfangsmodul für den Empfang höchstfrequenter elektromagnetischer Richtstrahlungsfelder
DE19523694A1 (de) * 1995-06-29 1997-01-02 Fuba Automotive Gmbh Planarantenne
US5572172A (en) * 1995-08-09 1996-11-05 Qualcomm Incorporated 180° power divider for a helix antenna
JP3114621B2 (ja) * 1996-06-19 2000-12-04 株式会社村田製作所 表面実装型アンテナおよびこれを用いた通信機
US5923296A (en) * 1996-09-06 1999-07-13 Raytheon Company Dual polarized microstrip patch antenna array for PCS base stations
SE511497C2 (sv) 1997-02-25 1999-10-11 Ericsson Telefon Ab L M Anordning för att mottaga och sända radiosignaler
DE19712510A1 (de) * 1997-03-25 1999-01-07 Pates Tech Patentverwertung Zweilagiger Breitband-Planarstrahler
GB2323713B (en) * 1997-03-27 1999-03-03 Andrew Jesman Antenna more especially for motor vehicles
FR2767970B1 (fr) * 1997-09-01 1999-10-15 Alsthom Cge Alcatel Structure rayonnante
EP1012911A1 (en) * 1997-09-26 2000-06-28 Raytheon Company Dual polarized microstrip patch antenna array for pcs base stations
FR2773271B1 (fr) * 1997-12-31 2000-02-25 Thomson Multimedia Sa Emetteur/recepteur d'ondes electromagnetiques
US6011522A (en) * 1998-03-17 2000-01-04 Northrop Grumman Corporation Conformal log-periodic antenna assembly
US6018323A (en) * 1998-04-08 2000-01-25 Northrop Grumman Corporation Bidirectional broadband log-periodic antenna assembly
US6140965A (en) * 1998-05-06 2000-10-31 Northrop Grumman Corporation Broad band patch antenna
US6181279B1 (en) 1998-05-08 2001-01-30 Northrop Grumman Corporation Patch antenna with an electrically small ground plate using peripheral parasitic stubs
DE69832964T2 (de) * 1998-05-15 2006-08-24 Ses Astra S.A. Elektromagnetisch gekoppelte Mikrostreifenleiterantenne
EP1341258A1 (en) * 1998-06-26 2003-09-03 Thales Antennas Limited Signal coupling methods and arrangements
US6198437B1 (en) * 1998-07-09 2001-03-06 The United States Of America As Represented By The Secretary Of The Air Force Broadband patch/slot antenna
US6118405A (en) * 1998-08-11 2000-09-12 Nortel Networks Limited Antenna arrangement
DE19850895A1 (de) * 1998-11-05 2000-05-11 Pates Tech Patentverwertung Mikrowellenantenne mit optimiertem Kopplungsnetzwerk
US6175333B1 (en) * 1999-06-24 2001-01-16 Nortel Networks Corporation Dual band antenna
WO2001020720A1 (en) * 1999-09-14 2001-03-22 Paratek Microwave, Inc. Serially-fed phased array antennas with dielectric phase shifters
FR2810164A1 (fr) * 2000-06-09 2001-12-14 Thomson Multimedia Sa Perfectionnement aux antennes source d'emission/reception d'ondes electromagnetiques pour systemes de telecommunications par satellite
WO2002015334A1 (en) * 2000-08-16 2002-02-21 Raytheon Company Switched beam antenna architecture
SE0003333D0 (sv) * 2000-09-19 2000-09-19 Medipeda Ab Medical System
US6518929B1 (en) * 2000-10-19 2003-02-11 Mobilian Corporation Antenna polarization separation to provide signal isolation
ATE448584T1 (de) * 2001-01-26 2009-11-15 Agency Science Tech & Res Breitband-aufhängungsplattenantennen mit geringer kreuzpolarisation
US6462711B1 (en) * 2001-04-02 2002-10-08 Comsat Corporation Multi-layer flat plate antenna with low-cost material and high-conductivity additive processing
US6466171B1 (en) * 2001-09-05 2002-10-15 Georgia Tech Research Corporation Microstrip antenna system and method
US6624787B2 (en) * 2001-10-01 2003-09-23 Raytheon Company Slot coupled, polarized, egg-crate radiator
BG64431B1 (bg) * 2001-12-19 2005-01-31 Skygate International Technology N.V. Антенен елемент
FR2833764B1 (fr) * 2001-12-19 2004-01-30 Thomson Licensing Sa Dispositif pour la reception et/ou l'emission de signaux electromagnetiques polarises circulairement
US6717549B2 (en) * 2002-05-15 2004-04-06 Harris Corporation Dual-polarized, stub-tuned proximity-fed stacked patch antenna
KR100526585B1 (ko) 2002-05-27 2005-11-08 삼성탈레스 주식회사 이중 편파 특성을 갖는 평판형 안테나
US7379707B2 (en) * 2004-08-26 2008-05-27 Raysat Antenna Systems, L.L.C. System for concurrent mobile two-way data communications and TV reception
US7705793B2 (en) * 2004-06-10 2010-04-27 Raysat Antenna Systems Applications for low profile two way satellite antenna system
JP4013814B2 (ja) * 2003-04-07 2007-11-28 株式会社村田製作所 アンテナ構造およびそれを備えた通信機
US7973733B2 (en) * 2003-04-25 2011-07-05 Qualcomm Incorporated Electromagnetically coupled end-fed elliptical dipole for ultra-wide band systems
FR2858468A1 (fr) 2003-07-30 2005-02-04 Thomson Licensing Sa Antenne planaire a diversite de rayonnement
US20060273965A1 (en) * 2005-02-07 2006-12-07 Raysat, Inc. Use of spread spectrum for providing satellite television or other data services to moving vehicles equipped with small size antenna
US20110215985A1 (en) * 2004-06-10 2011-09-08 Raysat Antenna Systems, L.L.C. Applications for Low Profile Two Way Satellite Antenna System
US7911400B2 (en) * 2004-01-07 2011-03-22 Raysat Antenna Systems, L.L.C. Applications for low profile two-way satellite antenna system
US8761663B2 (en) 2004-01-07 2014-06-24 Gilat Satellite Networks, Ltd Antenna system
FR2866987A1 (fr) * 2004-03-01 2005-09-02 Thomson Licensing Sa Antenne planaire multibandes
JP2005340933A (ja) * 2004-05-24 2005-12-08 Mitsubishi Electric Corp 円偏波アンテナ、及びこれを用いたレクテナ
GB2429585B (en) 2004-05-27 2008-06-18 Murata Manufacturing Co Circularly polarized microstrip antenna and radio communication apparatus including the same
US20070053314A1 (en) * 2004-08-26 2007-03-08 Yoel Gat Method and apparatus for providing satellite television and other data to mobile antennas
US20070001914A1 (en) * 2004-08-26 2007-01-04 Raysat, Inc. Method and apparatus for incorporating an antenna on a vehicle
US20060273967A1 (en) * 2004-08-26 2006-12-07 Raysat, Inc. System and method for low cost mobile TV
US7158089B2 (en) * 2004-11-29 2007-01-02 Qualcomm Incorporated Compact antennas for ultra wide band applications
JP4315938B2 (ja) * 2004-11-30 2009-08-19 本田技研工業株式会社 車両用アンテナ装置の給電構造および車両用アンテナ装置
TWI239681B (en) * 2004-12-22 2005-09-11 Tatung Co Ltd Circularly polarized array antenna
US20100183050A1 (en) * 2005-02-07 2010-07-22 Raysat Inc Method and Apparatus for Providing Satellite Television and Other Data to Mobile Antennas
US20100218224A1 (en) * 2005-02-07 2010-08-26 Raysat, Inc. System and Method for Low Cost Mobile TV
JP4328783B2 (ja) 2006-05-17 2009-09-09 日本電気株式会社 折り曲げ広帯域アンテナ及びその使用方法
JP4637792B2 (ja) * 2006-05-30 2011-02-23 アルプス電気株式会社 車載用アンテナ装置
JP4769664B2 (ja) * 2006-08-25 2011-09-07 古野電気株式会社 円偏波パッチアンテナ
US7671696B1 (en) * 2006-09-21 2010-03-02 Raytheon Company Radio frequency interconnect circuits and techniques
US8279131B2 (en) * 2006-09-21 2012-10-02 Raytheon Company Panel array
US9019166B2 (en) 2009-06-15 2015-04-28 Raytheon Company Active electronically scanned array (AESA) card
US9172145B2 (en) 2006-09-21 2015-10-27 Raytheon Company Transmit/receive daughter card with integral circulator
JP5366932B2 (ja) * 2007-05-08 2013-12-11 スキャニメトリクス，インコーポレイテッド 超高速信号送受信
US20090231186A1 (en) * 2008-02-06 2009-09-17 Raysat Broadcasting Corp. Compact electronically-steerable mobile satellite antenna system
US8723731B2 (en) * 2008-09-25 2014-05-13 Topcon Gps, Llc Compact circularly-polarized antenna with expanded frequency bandwidth
US7859835B2 (en) * 2009-03-24 2010-12-28 Allegro Microsystems, Inc. Method and apparatus for thermal management of a radio frequency system
US8472904B2 (en) * 2009-03-30 2013-06-25 The Charles Stark Draper Laboratory, Inc. Antenna with integrated tuning detection elements
US8537552B2 (en) * 2009-09-25 2013-09-17 Raytheon Company Heat sink interface having three-dimensional tolerance compensation
US8508943B2 (en) 2009-10-16 2013-08-13 Raytheon Company Cooling active circuits
US8427371B2 (en) 2010-04-09 2013-04-23 Raytheon Company RF feed network for modular active aperture electronically steered arrays
SG10201504617XA (en) 2010-06-11 2015-07-30 Ricoh Co Ltd Information storage device, removable device, developer container, and image forming apparatus
US9077082B2 (en) * 2010-09-02 2015-07-07 Topcon Positioning Systems, Inc. Patch antenna with capacitive radiating patch
US8363413B2 (en) 2010-09-13 2013-01-29 Raytheon Company Assembly to provide thermal cooling
US8810448B1 (en) 2010-11-18 2014-08-19 Raytheon Company Modular architecture for scalable phased array radars
US8355255B2 (en) 2010-12-22 2013-01-15 Raytheon Company Cooling of coplanar active circuits
JP2013005296A (ja) * 2011-06-17 2013-01-07 Hitachi Chem Co Ltd 線路層間接続器、線路層間接続器を有する平面アレーアンテナ、平面アレーアンテナモジュール
US9124361B2 (en) 2011-10-06 2015-09-01 Raytheon Company Scalable, analog monopulse network
JP5726787B2 (ja) * 2012-02-28 2015-06-03 株式会社東芝 無線装置、それを備えた情報処理装置および記憶装置
JP5710558B2 (ja) 2012-08-24 2015-04-30 株式会社東芝 無線装置、それを備えた情報処理装置及び記憶装置
US9130278B2 (en) 2012-11-26 2015-09-08 Raytheon Company Dual linear and circularly polarized patch radiator
US9391375B1 (en) * 2013-09-27 2016-07-12 The United States Of America As Represented By The Secretary Of The Navy Wideband planar reconfigurable polarization antenna array
JP6231458B2 (ja) * 2014-01-30 2017-11-15 京セラ株式会社 アンテナ基板
CN207409650U (zh) * 2017-10-25 2018-05-25 中兴通讯股份有限公司 一种微带天线
KR102425821B1 (ko) 2017-11-28 2022-07-27 삼성전자주식회사 커플링 급전을 이용한 이중 대역 안테나 및 그것을 포함하는 전자 장치
US11233310B2 (en) * 2018-01-29 2022-01-25 The Boeing Company Low-profile conformal antenna
DE102018103288A1 (de) * 2018-02-14 2019-08-14 Turck Holding Gmbh Antenne zur Kommunikation mit einem Transponder
CN110400779B (zh) * 2018-04-25 2022-01-11 华为技术有限公司 封装结构
EP3912229A4 (en) * 2019-01-17 2022-11-09 Kyocera International, Inc. ANTENNA APPARATUS WITH INTEGRATED FILTER WITH STACKED PLANE RESONATORS
CN110311211A (zh) * 2019-06-20 2019-10-08 成都天锐星通科技有限公司 一种微带接收天线、发射天线及车载相控阵天线
US11276933B2 (en) 2019-11-06 2022-03-15 The Boeing Company High-gain antenna with cavity between feed line and ground plane
CN112952340B (zh) 2019-11-26 2023-04-28 华为技术有限公司 一种天线结构、带天线结构的电路板和通信设备
US11398666B2 (en) * 2020-04-17 2022-07-26 United States Of America As Represented By The Secretary Of The Navy Planar antenna clamp system
EP3910735B1 (en) * 2020-05-11 2024-03-06 Nokia Solutions and Networks Oy An antenna arrangement

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054874A (en) * 1975-06-11 1977-10-18 Hughes Aircraft Company Microstrip-dipole antenna elements and arrays thereof
JPS593042B2 (ja) * 1979-01-09 1984-01-21 日本電信電話株式会社 マイクロストリツプアンテナ
GB2046530B (en) * 1979-03-12 1983-04-20 Secr Defence Microstrip antenna structure
FR2471679A1 (fr) * 1979-12-14 1981-06-19 Labo Electronique Physique Antenne hyperfrequence a elements rayonnants ou recepteurs repartis sur un support dielectrique
FR2487588A1 (fr) * 1980-07-23 1982-01-29 France Etat Doublets replies en plaques pour tres haute frequence et reseaux de tels doublets
FR2505097A1 (fr) * 1981-05-04 1982-11-05 Labo Electronique Physique Element rayonnant ou recepteur de signaux hyperfrequences a polarisations circulaires et antenne plane hyperfrequence comprenant un reseau de tels elements
US4477813A (en) * 1982-08-11 1984-10-16 Ball Corporation Microstrip antenna system having nonconductively coupled feedline
JPS59207703A (ja) * 1983-05-11 1984-11-24 Nippon Telegr & Teleph Corp <Ntt> マイクロストリツプアンテナ
US4554549A (en) * 1983-09-19 1985-11-19 Raytheon Company Microstrip antenna with circular ring
US4761654A (en) * 1985-06-25 1988-08-02 Communications Satellite Corporation Electromagnetically coupled microstrip antennas having feeding patches capacitively coupled to feedlines
JPH0720008B2 (ja) * 1986-02-25 1995-03-06 松下電工株式会社 平面アンテナ
JPS6365703A (ja) * 1986-09-05 1988-03-24 Matsushita Electric Works Ltd 平面アンテナ
JPS6398202A (ja) * 1986-10-15 1988-04-28 Matsushita Electric Works Ltd 平面アンテナ

Also Published As

Publication number Publication date
DK590187A (da) 1988-05-14
EP0271458A2 (en) 1988-06-15
CA1293563C (en) 1991-12-24
AU8095987A (en) 1988-05-19
IN169877B (da) 1992-01-04
US5005019A (en) 1991-04-02
DE3787956D1 (de) 1993-12-02
AU600990B2 (en) 1990-08-30
EP0271458A3 (en) 1990-07-04
EP0271458B1 (en) 1993-10-27
KR960016368B1 (en) 1996-12-09
NO874729L (no) 1988-05-16
JPS63135003A (ja) 1988-06-07
NO874729D0 (no) 1987-11-12
DE3787956T2 (de) 1994-05-26

Similar Documents

Publication Publication Date Title
DK590187A (da) Trykt-kredsloebsantenne
DK638687D0 (da) Baereboelgereproducerende kredsloeb
KR880700419A (ko) 집적회로
KR880700420A (ko) 집적회로
KR880006943U (ko) 회로 차단기
KR870009546A (ko) 지연회로
KR880701485A (ko) 회로보호기
KR890700287A (ko) 셀프-타이밍 회로
KR880006969U (ko) 회로 차단기
DK437387D0 (da) Maalekredsloeb
KR880006941U (ko) 회로 차단기
DK290487A (da) Substituerede 3-amino-2-benzoylcyklohex-2-enoner
KR890700245A (ko) 회로장치
IT8619722A1 (it) Disposizione circuitale
BR8704856A (pt) Disjuntor
DE3787037D1 (de) Halteschaltung.
KR880003379U (ko) 회로 차단기
DK158422C (da) Afbryder
KR880006940U (ko) 회로 차단기
KR880006849A (ko) 논리회로
DK115687D0 (da) Kredsloebplade
KR880008915U (ko) 귀선소거회로
BR6602372U (pt) Minuteria eletronica
KR880013522U (ko) 피크 홀드 회로
NO870411D0 (no) Middelverdi-krets.

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment