DE60129525D1 - Eingangsimpedanzanordnung für RF Transponder - Google Patents

Eingangsimpedanzanordnung für RF Transponder

Info

Publication number
DE60129525D1
DE60129525D1 DE60129525T DE60129525T DE60129525D1 DE 60129525 D1 DE60129525 D1 DE 60129525D1 DE 60129525 T DE60129525 T DE 60129525T DE 60129525 T DE60129525 T DE 60129525T DE 60129525 D1 DE60129525 D1 DE 60129525D1
Authority
DE
Germany
Prior art keywords
transponders
input impedance
transponder
real part
value
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
DE60129525T
Other languages
English (en)
Inventor
Christopher Gordon Gerv Turner
John Mcmurray
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.)
ZIH Corp
Original Assignee
ZIH 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 ZIH Corp filed Critical ZIH Corp
Application granted granted Critical
Publication of DE60129525D1 publication Critical patent/DE60129525D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G06K19/0701—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 at least one of the integrated circuit chips comprising an arrangement for power management
    • 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
DE60129525T 2000-11-30 2001-11-30 Eingangsimpedanzanordnung für RF Transponder Expired - Lifetime DE60129525D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA200007062 2000-11-30

Publications (1)

Publication Number Publication Date
DE60129525D1 true DE60129525D1 (de) 2007-09-06

Family

ID=25588996

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60129525T Expired - Lifetime DE60129525D1 (de) 2000-11-30 2001-11-30 Eingangsimpedanzanordnung für RF Transponder

Country Status (6)

Country Link
US (1) US6870460B2 (de)
EP (2) EP1211635B1 (de)
JP (1) JP2002280927A (de)
CN (1) CN1211939C (de)
AT (1) ATE368265T1 (de)
DE (1) DE60129525D1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10301451A1 (de) 2003-01-10 2004-07-22 Atmel Germany Gmbh Verfahren sowie Sende- und Empfangseinrichtung zur drahtlosen Datenübertragung und Modulationseinrichtung
US6940467B2 (en) 2003-01-10 2005-09-06 Atmel Germany Gmbh Circuit arrangement and method for deriving electrical power from an electromagnetic field
US7075437B2 (en) * 2003-01-13 2006-07-11 Symbol Technologies, Inc. RFID relay device and methods for relaying and RFID signal
WO2004107251A2 (en) * 2003-05-23 2004-12-09 Symbol Technologies, Inc. Rfid relay device and methods for relaying an rfid signal
DE10325399A1 (de) 2003-05-28 2004-12-30 Atmel Germany Gmbh Schaltungsanordnung zur Phasenmodulation für rückstreubasierte Transporder
DE10325396A1 (de) 2003-05-28 2004-12-23 Atmel Germany Gmbh Schaltungsanordnung und Verfahren zur Phasenmodulation für rückstreubasierte Transponder
US20050024187A1 (en) * 2003-07-28 2005-02-03 Kranz Mark J. System and method for optimizing power usage in a radio frequency communication device
CN1981290B (zh) * 2004-07-12 2011-09-07 爱特梅尔（德国）有限公司 用于无线数据传输装置的调制器和调制方法
US7479884B1 (en) * 2004-08-31 2009-01-20 Cedar Ridge Research System and method for monitoring objects, people, animals or places
US8078103B2 (en) 2005-10-31 2011-12-13 Zih Corp. Multi-element RFID coupler
US20070115098A1 (en) * 2005-11-18 2007-05-24 Wj Communications, Inc. Rfid system including tags having low rf scattering mode
KR100659273B1 (ko) 2005-12-15 2006-12-20 삼성전자주식회사 Ｒｆｉｄ 태그 및 이를 갖는 ｒｆｉｄ 시스템
FR2901061B1 (fr) * 2006-05-12 2008-11-14 Centre Nat Rech Scient Convertisseur d'onde electromagnetique en tension continue
CN102750568B (zh) * 2012-06-01 2015-11-25 昆腾微电子股份有限公司 非接触ic卡射频接口电路及其调谐方法
US9680520B2 (en) 2013-03-22 2017-06-13 University Of Washington Through Its Center For Commercialization Ambient backscatter tranceivers, apparatuses, systems, and methods for communicating using backscatter of ambient RF signals
US9973367B2 (en) 2014-02-11 2018-05-15 University Of Washington Apparatuses, systems, and methods for communicating using MIMO and spread spectrum coding in backscatter of ambient signals
US10382161B2 (en) 2014-02-11 2019-08-13 University Of Washington Wireless networking communication methods, systems, and devices operable using harvested power
US10079616B2 (en) 2014-12-19 2018-09-18 University Of Washington Devices and methods for backscatter communication using one or more wireless communication protocols including bluetooth low energy examples
WO2017027847A1 (en) 2015-08-12 2017-02-16 University Of Washington Backscatter devices and network systems incorporating backscatter devices
WO2017132400A1 (en) 2016-01-26 2017-08-03 University Of Washington Backscatter devices including examples of single sideband operation
EP3440454A4 (de) * 2016-04-04 2019-12-18 The University of Washington Rückstreuvorrichtungen und systeme zur bereitstellung von rückstreusignalen mit ofdm-paketen
WO2018075653A1 (en) 2016-10-18 2018-04-26 University Of Washington Backscatter systems, devices, and techniques utilizing css modulation and/or higher order harmonic cancellation
US10461783B2 (en) 2017-03-16 2019-10-29 University Of Washington Radio frequency communication devices having backscatter and non-backscatter communication modes and hardware re-use
US11212479B2 (en) 2017-04-06 2021-12-28 University Of Washington Image and/or video transmission using backscatter devices

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4786907A (en) 1986-07-14 1988-11-22 Amtech Corporation Transponder useful in a system for identifying objects
CA1335676C (en) * 1988-01-14 1995-05-23 Akira Iga Portable data transmitter device and a system using the same
JPH03113387A (ja) 1989-09-27 1991-05-14 Nippon Soken Inc 移動体識別装置の応答器
FR2660438B1 (fr) 1990-03-27 1992-08-07 Thomson Composants Microondes Antenne active de transmission bidirectionnelle.
US5970398A (en) * 1996-07-30 1999-10-19 Micron Communications, Inc. Radio frequency antenna with current controlled sensitivity
WO1998011504A1 (de) * 1996-09-12 1998-03-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Passiver transponder
FR2757952B1 (fr) 1996-12-27 1999-03-19 Gemplus Card Int Transpondeur radioelectrique muni d'une antenne et d'un circuit de desaccord en frequence
US6147606A (en) * 1998-03-26 2000-11-14 Intermec Ip Corp. Apparatus and method for radio frequency transponder with improved read distance
AU4137200A (en) * 1999-05-03 2000-11-17 Trolley Scan (Pty) Limited Energy transfer in an electronic identification system

Also Published As

Publication number Publication date
ATE368265T1 (de) 2007-08-15
JP2002280927A (ja) 2002-09-27
EP1760639A1 (de) 2007-03-07
CN1211939C (zh) 2005-07-20
EP1211635B1 (de) 2007-07-25
US6870460B2 (en) 2005-03-22
CN1359198A (zh) 2002-07-17
EP1211635A2 (de) 2002-06-05
US20030025591A1 (en) 2003-02-06
EP1211635A3 (de) 2002-08-14

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Legal Events

Date Code Title Description
8332 No legal effect for de