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ATE429684T1 - Abstimmbare spiralantenne für sicherheitsetiketts - Google Patents

Abstimmbare spiralantenne für sicherheitsetiketts

Info

Publication number
ATE429684T1
ATE429684T1 AT05779760T AT05779760T ATE429684T1 AT E429684 T1 ATE429684 T1 AT E429684T1 AT 05779760 T AT05779760 T AT 05779760T AT 05779760 T AT05779760 T AT 05779760T AT E429684 T1 ATE429684 T1 AT E429684T1
Authority
AT
Austria
Prior art keywords
antenna
connect
antenna portion
spiral antenna
integrated circuit
Prior art date
Application number
AT05779760T
Other languages
English (en)
Inventor
Richard Copeland
Gary Shafer
Original Assignee
Sensormatic Electronics 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
Application filed by Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Application granted granted Critical
Publication of ATE429684T1 publication Critical patent/ATE429684T1/de

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G06K19/0726—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement including a circuit for tuning the resonance frequency of an antenna on the record carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
    • 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
    • H01Q1/2208—Supports; 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
    • H01Q1/2225—Supports; 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 used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49016—Antenna or wave energy "plumbing" making

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
AT05779760T 2004-08-13 2005-08-08 Abstimmbare spiralantenne für sicherheitsetiketts ATE429684T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/917,752 US7202790B2 (en) 2004-08-13 2004-08-13 Techniques for tuning an antenna to different operating frequencies
PCT/US2005/027994 WO2006020529A1 (en) 2004-08-13 2005-08-08 Tunable spiral antenna for security tag

Publications (1)

Publication Number Publication Date
ATE429684T1 true ATE429684T1 (de) 2009-05-15

Family

ID=35276064

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05779760T ATE429684T1 (de) 2004-08-13 2005-08-08 Abstimmbare spiralantenne für sicherheitsetiketts

Country Status (11)

Country Link
US (1) US7202790B2 (de)
EP (1) EP1776662B1 (de)
JP (1) JP4795346B2 (de)
CN (1) CN100552705C (de)
AT (1) ATE429684T1 (de)
AU (1) AU2005274012B2 (de)
CA (1) CA2575130C (de)
DE (1) DE602005014111D1 (de)
ES (1) ES2322604T3 (de)
HK (1) HK1108956A1 (de)
WO (1) WO2006020529A1 (de)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4567988B2 (ja) 2004-02-05 2010-10-27 株式会社日立製作所 紙状ｒｆｉｄタグおよびその製造方法
JP2006229190A (ja) * 2005-01-24 2006-08-31 Sanyo Electric Co Ltd 半導体装置
CN103022704B (zh) * 2005-01-27 2015-09-02 株式会社村田制作所 天线及无线通信设备
JP4945459B2 (ja) * 2005-03-03 2012-06-06 センサーマティック・エレクトロニクス・エルエルシー インテリジェントネットワーク及びｒｆｉｄ信号ルータを用いる装置及び方法
MX2007012437A (es) * 2005-03-07 2007-12-05 Sensormatic Electronics Corp Metodo de sintonizacion automatica para etiquetas con identificacion por radiofrecuencia (rfid).
WO2006101628A1 (en) * 2005-03-22 2006-09-28 Nordson Corporation Use of a conductive adhesive for bonding and as a radio frequency antenna
US7414532B2 (en) 2005-04-20 2008-08-19 Nordson Corporation Method of attaching RFID tags to substrates
US7801556B2 (en) 2005-08-26 2010-09-21 Qualcomm Incorporated Tunable dual-antenna system for multiple frequency band operation
US20070262866A1 (en) * 2005-11-14 2007-11-15 Ronald Eveland Multi-Dimensional Broadband Track and Trace Sensor Radio Frequency Identification Device
US20070115130A1 (en) * 2005-11-14 2007-05-24 Ronald Eveland Multi-dimensional, broadband track and trace sensor radio frequency identification device
US20070229264A1 (en) * 2005-11-14 2007-10-04 Ronald Eveland Software method and system for encapsulation of RFID data into a standardized globally routable format
US20070188327A1 (en) * 2006-02-16 2007-08-16 Ncr Corporation Radio frequency device
JP4755921B2 (ja) * 2006-02-24 2011-08-24 富士通株式会社 Ｒｆｉｄタグ
US7439860B2 (en) * 2006-03-22 2008-10-21 Assa Abloy Ab Auto-tuned RFID reader antenna
JP2007295395A (ja) * 2006-04-26 2007-11-08 Fujitsu Ltd タグ用アンテナ及びそれを用いたタグ
KR100756410B1 (ko) 2006-05-26 2007-09-10 삼성전자주식회사 Ｒｆｉｄ 트랜스폰더에 사용되는 소형 렉테나
US7479881B2 (en) * 2006-08-07 2009-01-20 International Business Machines Corporation System and method for RFID tag hole puncher
US7973729B2 (en) * 2006-08-08 2011-07-05 Sensormatic Electronics, LLC Thin-film EAS and RFID antennas
US8344888B2 (en) * 2006-08-31 2013-01-01 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device
FR2905780B1 (fr) * 2006-09-11 2008-11-14 Systemes Et Technologies Ident Transpondeur rfid-uhf pour l'identification de surfaces vitrees.
JP2008092198A (ja) * 2006-09-29 2008-04-17 Renesas Technology Corp Ｒｆｉｄラベルタグおよびその製造方法
US8063782B2 (en) * 2007-01-22 2011-11-22 Cisco Technology, Inc. Remote inventory of devices
US8866616B2 (en) * 2007-08-22 2014-10-21 Tyco Fire & Security Gmbh RFID tag having antenna with co-planar radiation pattern
US20090066516A1 (en) * 2007-09-06 2009-03-12 Symbol Technologies, Inc. Dual Mode RFID Tag Utilizing Dual Antennas
JP5536651B2 (ja) * 2007-09-24 2014-07-02 クーパー タイヤ アンド ラバー カンパニー Ｒｆｉｄのための自動アンテナチューナシステム
JP2009106307A (ja) * 2007-09-28 2009-05-21 National Institute Of Information & Communication Technology 医療無線通信システム用の人体埋設型アンテナ
US8212674B2 (en) 2007-10-04 2012-07-03 Cisco Technology, Inc. Inventory devices and methods
US9300032B2 (en) * 2007-10-31 2016-03-29 Tyco Fire & Security Gmbh RFID antenna system and method
US7926728B2 (en) * 2007-10-31 2011-04-19 Infineon Technologies Ag Integrated circuit device including a contactless integrated circuit inlay
JP4281023B1 (ja) 2008-02-18 2009-06-17 日本電気株式会社 ワイドバンドアンテナおよびそれを用いたウエア、持ち物
US8881373B1 (en) 2008-03-11 2014-11-11 Impinj, Inc. Assembling a radio frequency identification (RFID) tag precursor
US8188927B1 (en) 2008-03-11 2012-05-29 Impinj, Inc. RFID tag assembly methods
US11288564B1 (en) 2008-03-11 2022-03-29 Impinj, Inc. High-speed RFID tag assembly using impulse heating
US9436902B1 (en) 2008-03-11 2016-09-06 Impinj, International Ltd. RFID integrated circuits with large contact pads
KR100978271B1 (ko) * 2008-04-01 2010-08-26 엘에스산전 주식회사 내장형 안테나를 사용한 ｒｆｉｄ 태그 및 이를 이용한ｒｆｉｄ 시스템
DE102008031751B3 (de) * 2008-07-04 2009-08-06 Batop Gmbh Photoleitende Antenne zur Abstrahlung oder zum Empfang von Terahertz-Strahlung
US9111191B2 (en) * 2008-11-25 2015-08-18 Avery Dennison Corporation Method of making RFID devices
US8013742B2 (en) * 2008-12-10 2011-09-06 Sensormatic Electronics, LLC Metal oxide semiconductor device for use in UHF electronic article surveillance systems
US8711047B2 (en) * 2009-03-13 2014-04-29 Qualcomm Incorporated Orthogonal tunable antenna array for wireless communication devices
US8393547B2 (en) * 2009-08-05 2013-03-12 Perfect Plastic Printing Corporation RF proximity financial transaction card having metallic foil layer(s)
US8128000B2 (en) * 2009-09-25 2012-03-06 Avery Dennison Corporation Method, system and apparatus for manufacturing a radio frequency identification device
US8991709B2 (en) 2010-08-30 2015-03-31 Tagstar Systems Gmbh Tamper-proof RFID label
EP2466686A1 (de) 2010-12-15 2012-06-20 Philipps-Universität Marburg Antenne zum Senden und Empfangen von GHz- und oder THz-Strahlung mit optimierter Frequenzcharakteristik
KR102168063B1 (ko) * 2012-01-27 2020-10-20 어플라이드 머티어리얼스, 인코포레이티드 세그먼트화된 안테나 조립체
CN102832011B (zh) * 2012-08-15 2014-09-24 宝鸡烽火诺信科技有限公司 多波段通信设备自适应天调微调电感
US8976561B2 (en) 2012-11-14 2015-03-10 Power Integrations, Inc. Switch mode power converters using magnetically coupled galvanically isolated lead frame communication
US8818296B2 (en) 2012-11-14 2014-08-26 Power Integrations, Inc. Noise cancellation for a magnetically coupled communication link utilizing a lead frame
US9035435B2 (en) 2012-11-14 2015-05-19 Power Integrations, Inc. Magnetically coupled galvanically isolated communication using lead frame
US9373893B2 (en) * 2013-06-26 2016-06-21 William Frick & Company Method for optimizing a Yagi-Uda antenna for a RFID inlay or integrated circuit
ES2554990B1 (es) * 2014-06-24 2016-06-09 Universidad Pública de Navarra Etiqueta inalámbrica de desactivación controlada, método de fabricación y método y sistema para el uso de dicha etiqueta
KR102177285B1 (ko) * 2014-09-01 2020-11-10 삼성전자주식회사 안테나 장치 및 그것을 포함하는 전자 장치
CN108370095A (zh) * 2015-08-06 2018-08-03 薄膜电子有限公司 具有集成铁氧体屏蔽和天线的无线通信装置及其制造和使用方法
DE102017121897B4 (de) * 2017-09-21 2019-05-02 Infineon Technologies Ag Verfahren zum Herstellen einer Antennenstruktur, Antennenstruktur, Boosterantenne, Chipkarte und Einrichtung zum Herstellen einer Antennenstruktur
US11596794B2 (en) 2017-12-14 2023-03-07 NeuSpera Medical Inc. Enhanced wireless communication and power transfer between external and implanted devices
US10561842B2 (en) 2017-12-14 2020-02-18 NeuSpera Medical Inc. Layered midfield transmitter with dielectric tuning
CA3096463A1 (en) * 2018-04-12 2019-10-17 NeuSpera Medical Inc. Midfield power source for wireless implanted devices
BR102018007799A2 (pt) * 2018-04-18 2019-11-05 Centro Nac De Tecnologia Eletronica Avancada S A dispositivo eletrônico de identificação por radiofrequência do tipo módulo
DE102018117364A1 (de) 2018-07-18 2020-01-23 Infineon Technologies Ag Verfahren und Vorrichtung zum Trimmen einer auf einem Träger aufgebrachten Antenne, Verfahren zum Herstellen einer Trägerstruktur, Trägerstruktur und Chipkarte
CN109063809A (zh) * 2018-08-02 2018-12-21 上海祯显电子科技有限公司 一种日字形小型rfid标签
CN113869479A (zh) * 2021-09-28 2021-12-31 上扬无线射频科技扬州有限公司 一种适用不同频段多用型无线rfid标签

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4560445A (en) * 1984-12-24 1985-12-24 Polyonics Corporation Continuous process for fabricating metallic patterns on a thin film substrate
US5109217A (en) * 1990-08-09 1992-04-28 Sensormatic Electronics Corporation Method and apparatus for enhancing detection of electronic article surveillance tags in close proximity to electrically conductive objects
JPH04321190A (ja) * 1991-04-22 1992-11-11 Mitsubishi Electric Corp 非接触型携帯記憶装置のアンテナ回路
JP3214710B2 (ja) * 1991-05-21 2001-10-02 株式会社光電製作所 ダイポールアンテナ
JPH05259728A (ja) * 1992-03-12 1993-10-08 Nec Gumma Ltd ダイポールアンテナ装置
JPH05298568A (ja) * 1992-04-22 1993-11-12 Hitachi Tokyo Electron Co Ltd 盗難防止用タグ
JPH09198481A (ja) * 1996-01-17 1997-07-31 Toshiba Chem Corp 電子タグ
US6104311A (en) * 1996-08-26 2000-08-15 Addison Technologies Information storage and identification tag
US6281794B1 (en) * 1998-01-02 2001-08-28 Intermec Ip Corp. Radio frequency transponder with improved read distance
JPH11242786A (ja) * 1998-02-24 1999-09-07 Matsushita Electric Works Ltd 非接触ラベルのアンテナ長の調整方法
AU762495B2 (en) * 1998-08-14 2003-06-26 3M Innovative Properties Company Application for a radio frequency identification system
US6285342B1 (en) * 1998-10-30 2001-09-04 Intermec Ip Corp. Radio frequency tag with miniaturized resonant antenna
JP2000183789A (ja) * 1998-12-10 2000-06-30 Matsushita Electric Ind Co Ltd デジタルテレビジョン放送受信装置
ES2246759T3 (es) * 1999-02-09 2006-03-01 Magnus Granhed Antena encapsulada para transpondor pasivo.
JP2000339432A (ja) * 1999-05-25 2000-12-08 Tokin Corp Ｉｃカード用モジュール及びその製造方法
GB9913526D0 (en) * 1999-06-10 1999-08-11 Harada Ind Europ Limited Multiband antenna
US6806812B1 (en) * 2000-04-26 2004-10-19 Micron Technology, Inc. Automated antenna trim for transmitting and receiving semiconductor devices
US6535175B2 (en) * 2000-06-01 2003-03-18 Intermec Ip Corp. Adjustable length antenna system for RF transponders
AU2001279161A1 (en) * 2000-08-04 2002-02-18 Hei, Inc. Structures and assembly methods for radio-frequency-identification modules
JP4053231B2 (ja) * 2000-11-09 2008-02-27 株式会社日立製作所 無線通信装置
US6480110B2 (en) * 2000-12-01 2002-11-12 Microchip Technology Incorporated Inductively tunable antenna for a radio frequency identification tag
JP2002290131A (ja) * 2000-12-18 2002-10-04 Mitsubishi Materials Corp トランスポンダ用アンテナ
KR20040025680A (ko) * 2001-05-17 2004-03-24 사이프레스 세미컨덕터 코포레이션 볼 그리드 어레이 안테나
DE60102574T2 (de) * 2001-06-26 2005-02-03 Sony International (Europe) Gmbh Gedruckte Dipolantenne mit dualen Spiralen
FI20012285A0 (fi) * 2001-11-22 2001-11-22 Valtion Teknillinen Etätunnistimen (RFID) optimoitu ympärisäteilevä modifioitu silmukka-antenni
JP2003221126A (ja) * 2002-01-30 2003-08-05 Sato Corp 配送システム
JP3908549B2 (ja) * 2002-01-31 2007-04-25 大日本印刷株式会社 Ｒｆｉｄタグの製造方法
JP3781109B2 (ja) * 2002-01-31 2006-05-31 三菱マテリアル株式会社 Ｒｆｉｄ用トランスポンダのアンテナコイルの構造及び該アンテナコイルを用いた共振周波数の調整方法
JP4029697B2 (ja) * 2002-08-30 2008-01-09 王子製紙株式会社 Ｉｃチップ実装体
AU2003272420A1 (en) * 2002-09-20 2004-04-08 Fairchild Semiconductor Corporation Rfid tag wide bandwidth logarithmic spiral antenna method and system

Also Published As

Publication number Publication date
DE602005014111D1 (de) 2009-06-04
US20060033624A1 (en) 2006-02-16
CN101006457A (zh) 2007-07-25
HK1108956A1 (en) 2008-05-23
EP1776662A1 (de) 2007-04-25
AU2005274012B2 (en) 2011-12-15
JP4795346B2 (ja) 2011-10-19
CA2575130C (en) 2011-02-08
ES2322604T3 (es) 2009-06-23
JP2008510227A (ja) 2008-04-03
WO2006020529A1 (en) 2006-02-23
EP1776662B1 (de) 2009-04-22
CA2575130A1 (en) 2006-02-23
AU2005274012A1 (en) 2006-02-23
US7202790B2 (en) 2007-04-10
CN100552705C (zh) 2009-10-21

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