ZA200205546B - Antenna for transponder. - Google Patents

Antenna for transponder. Download PDF

Info

Publication number
ZA200205546B
ZA200205546B ZA200205546A ZA200205546A ZA200205546B ZA 200205546 B ZA200205546 B ZA 200205546B ZA 200205546 A ZA200205546 A ZA 200205546A ZA 200205546 A ZA200205546 A ZA 200205546A ZA 200205546 B ZA200205546 B ZA 200205546B
Authority
ZA
South Africa
Prior art keywords
antenna
excited
antenna according
antenna element
shaped
Prior art date
Application number
ZA200205546A
Other languages
English (en)
Inventor
Atle Saegrov
Geir Vavik
Original Assignee
Q Free Asa
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 Q Free Asa filed Critical Q Free Asa
Publication of ZA200205546B publication Critical patent/ZA200205546B/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
  • Radar Systems Or Details Thereof (AREA)
ZA200205546A 2000-02-08 2002-07-11 Antenna for transponder. ZA200205546B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20000613A NO313975B1 (no) 2000-02-08 2000-02-08 Antenne for transponder

Publications (1)

Publication Number Publication Date
ZA200205546B true ZA200205546B (en) 2003-02-17

Family

ID=19910700

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200205546A ZA200205546B (en) 2000-02-08 2002-07-11 Antenna for transponder.

Country Status (10)

Country Link
US (1) US6885342B2 (zh)
EP (2) EP2093830A1 (zh)
JP (1) JP4808355B2 (zh)
CN (1) CN1293672C (zh)
AU (1) AU767736B2 (zh)
BR (1) BRPI0108162B1 (zh)
CA (1) CA2399383C (zh)
NO (1) NO313975B1 (zh)
WO (1) WO2001059879A1 (zh)
ZA (1) ZA200205546B (zh)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT411940B (de) * 2001-12-21 2004-07-26 Efkon Ag Mobile kommunikations-einrichtung, insbesondere für ein elektronisches gebührenzahlungssystem
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
DE102005010894B4 (de) * 2005-03-09 2008-06-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Planare Mehrbandantenne
US7728785B2 (en) * 2006-02-07 2010-06-01 Nokia Corporation Loop antenna with a parasitic radiator
WO2008084801A1 (ja) * 2007-01-11 2008-07-17 Panasonic Corporation 広帯域スロットアンテナ
WO2009036406A1 (en) * 2007-09-13 2009-03-19 Nigel Power, Llc Antennas for wireless power applications
EP2141635A1 (en) * 2008-06-30 2010-01-06 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO A radio frequency tag
JP5029559B2 (ja) * 2008-09-30 2012-09-19 日立電線株式会社 アンテナ及びそれを備えた電気機器
US8072384B2 (en) * 2009-01-14 2011-12-06 Laird Technologies, Inc. Dual-polarized antenna modules
US20100314454A1 (en) * 2009-06-15 2010-12-16 Tc License Ltd. Configurable external rfid tag
US8578599B2 (en) * 2010-03-22 2013-11-12 Rogers Corporation Method of making a supported foam circuit laminate
US9444147B2 (en) * 2011-07-18 2016-09-13 The United States Of America As Represented By The Secretary Of The Army Ultra-wide-band (UWB) antenna assembly with at least one director and electromagnetic reflective subassembly and method
CN104332717B (zh) * 2014-11-27 2017-09-15 陈念 反射器
KR102246561B1 (ko) * 2019-06-11 2021-04-29 한양대학교 산학협력단 편파 방향을 가변시킬 수 있는 안테나
CN111585006B (zh) * 2020-05-08 2022-04-15 武汉虹信科技发展有限责任公司 辐射单元及阵列天线
US11417951B2 (en) 2020-09-01 2022-08-16 Apple Inc. Electronic devices having antennas that radiate through three-dimensionally curved cover layers

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2352807C3 (de) * 1973-10-20 1979-10-25 Philips Patentverwaltung Gmbh, 2000 Hamburg Die Summenfrequenz erzeugender Antwortgeber für ein Sende- und Empfangssystem zur Erkennung bewegbarer Körper
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
GB2142475A (en) * 1983-06-29 1985-01-16 Decca Ltd Wide beam microwave antenna
JPH01248805A (ja) * 1988-03-30 1989-10-04 Shigeru Egashira マイクロストリップアンテナ
US4853705A (en) * 1988-05-11 1989-08-01 Amtech Technology Corporation Beam powered antenna
JPH04115606A (ja) * 1990-08-31 1992-04-16 Matsushita Electric Works Ltd 無線装置
US5307075A (en) 1991-12-12 1994-04-26 Allen Telecom Group, Inc. Directional microstrip antenna with stacked planar elements
JPH0585112U (ja) * 1992-04-22 1993-11-16 顯 神明 平行ループアンテナ
US5241321A (en) 1992-05-15 1993-08-31 Space Systems/Loral, Inc. Dual frequency circularly polarized microwave antenna
FR2692404B1 (fr) * 1992-06-16 1994-09-16 Aerospatiale Motif élémentaire d'antenne à large bande passante et antenne-réseau le comportant.
JP3452971B2 (ja) * 1994-03-08 2003-10-06 日本電業工作株式会社 偏波可変アンテナ
US5777470A (en) * 1994-06-15 1998-07-07 General Microwave Corporation Broadband probe for detecting the magnetic field component of an electromagnetic field
JPH08162831A (ja) * 1994-12-07 1996-06-21 Kansei Corp 自動車用キーレスユニットの内蔵アンテナ
US5815121A (en) * 1995-09-15 1998-09-29 Northrop Grumman Corporation Flatplate array antenna with polarizer lens
JP3046233B2 (ja) * 1995-12-22 2000-05-29 三菱電機株式会社 薄型受信装置並びに送信装置
JPH1022721A (ja) * 1996-06-28 1998-01-23 Mitsubishi Electric Corp プリントループアンテナ
JPH1084219A (ja) * 1996-09-06 1998-03-31 Tokimec Inc 直交2直線偏波アンテナ
US5874919A (en) * 1997-01-09 1999-02-23 Harris Corporation Stub-tuned, proximity-fed, stacked patch antenna
SE509448C2 (sv) * 1997-05-07 1999-01-25 Ericsson Telefon Ab L M Dubbelpolariserad antenn samt enkelpolariserat antennelement
JP2000013131A (ja) * 1998-06-23 2000-01-14 Harada Ind Co Ltd 広帯域円偏波ダイポールアンテナ

Also Published As

Publication number Publication date
NO20000613D0 (no) 2000-02-08
CN1398443A (zh) 2003-02-19
BR0108162A (pt) 2003-01-21
AU767736B2 (en) 2003-11-20
EP2093830A1 (en) 2009-08-26
US6885342B2 (en) 2005-04-26
WO2001059879A1 (en) 2001-08-16
AU3248701A (en) 2001-08-20
BRPI0108162B1 (pt) 2015-08-11
CA2399383A1 (en) 2001-08-16
CN1293672C (zh) 2007-01-03
JP2003523121A (ja) 2003-07-29
NO313975B1 (no) 2003-01-06
EP1254490A1 (en) 2002-11-06
CA2399383C (en) 2010-07-27
US20030117329A1 (en) 2003-06-26
JP4808355B2 (ja) 2011-11-02
NO20000613L (no) 2001-08-09

Similar Documents

Publication Publication Date Title
AU767736B2 (en) Antenna for transponder
US7423591B2 (en) Antenna system
US6759990B2 (en) Compact antenna with circular polarization
US7746283B2 (en) Radio frequency identification (RFID) antenna assemblies with folded patch-antenna structures
US20080143620A1 (en) Increasing the bandwidth of a RFID dipole tag
JP3623714B2 (ja) 広帯域アンテナ及びアレイアンテナ装置
JPH0221164B2 (zh)
US20090073065A1 (en) Tunable Dielectric Resonator Circuit
US6107967A (en) Billboard antenna
EP2666207B1 (en) Communications device and tracking device with slotted antenna and related methods
US6819288B2 (en) Singular feed broadband aperture coupled circularly polarized patch antenna
JP4516246B2 (ja) アンテナ
CN213520315U (zh) 一种c波段宽频二元阵天线
CN207868398U (zh) 双频线极化天线
CN218334334U (zh) 一种新型圆极化透镜天线装置
CN215933820U (zh) 天线模块及智能电视
CN218472282U (zh) 一种小型wifi双频天线组件
JP2000134029A (ja) アンテナ装置および通信装置
CN211789448U (zh) 加强型射频前端装置
Bank et al. Antenna and Anti-antenna
Aghwariya et al. 1 Microstrip Techniques Patch for Wireless Antenna Applications
JPH04336805A (ja) 平面アンテナ
FI116249B (fi) Menetelmä ja laite radiotaajuisen säteilykentän suuntaamiseksi ja vahvistamiseksi antennista yhdellä tai kahdella eri taajuusalueella
JPH04207505A (ja) プリントアンテナ