HK1129777A1 - Resonant circuit tuning system using magnetic field coupled reactive elements - Google Patents

Resonant circuit tuning system using magnetic field coupled reactive elements

Info

Publication number
HK1129777A1
HK1129777A1 HK09107788.2A HK09107788A HK1129777A1 HK 1129777 A1 HK1129777 A1 HK 1129777A1 HK 09107788 A HK09107788 A HK 09107788A HK 1129777 A1 HK1129777 A1 HK 1129777A1
Authority
HK
Hong Kong
Prior art keywords
magnetic field
resonant circuit
tuning system
reactive elements
circuit tuning
Prior art date
Application number
HK09107788.2A
Inventor
Stewart E Hall
Richard Herring
Hap Patterson
Original Assignee
Sensormatic Electronics Llc
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 Llc filed Critical Sensormatic Electronics Llc
Publication of HK1129777A1 publication Critical patent/HK1129777A1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/20—Continuous tuning of single resonant circuit by varying inductance only or capacitance only
HK09107788.2A 2006-06-27 2009-08-25 Resonant circuit tuning system using magnetic field coupled reactive elements HK1129777A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2006/025050 WO2008002303A1 (en) 2006-06-27 2006-06-27 Resonant circuit tuning system using magnetic field coupled reactive elements

Publications (1)

Publication Number Publication Date
HK1129777A1 true HK1129777A1 (en) 2009-12-04

Family

ID=37807902

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09107788.2A HK1129777A1 (en) 2006-06-27 2009-08-25 Resonant circuit tuning system using magnetic field coupled reactive elements

Country Status (7)

Country Link
EP (1) EP2033311A1 (en)
JP (1) JP2009543441A (en)
CN (1) CN101473536B (en)
AU (1) AU2006345217B2 (en)
CA (1) CA2655562A1 (en)
HK (1) HK1129777A1 (en)
WO (1) WO2008002303A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008031149A1 (en) 2008-07-01 2010-01-07 Giesecke & Devrient Gmbh Portable data carrier with active contactless interface and method of operation
US9590761B2 (en) 2011-09-23 2017-03-07 Commscope Technologies Llc Detective passive RF components using radio frequency identification tags
CN102567777B (en) * 2011-12-28 2014-11-05 长沙艾尔丰华电子科技有限公司 Non-contact IC card parameter determination device and method
CN102693446B (en) * 2012-06-01 2016-01-20 昆腾微电子股份有限公司 Contactless IC card and radio-frequency interface circuit thereof and tuning methods
WO2014036375A1 (en) * 2012-08-31 2014-03-06 Andrew Llc Detecting passive rf components using radio frequency identification tags
US9274075B2 (en) * 2014-01-30 2016-03-01 Mitsubishi Electric Research Laboratories, Inc. Proximity sensor detecting metallic and non-metallic objects
CN104821440B (en) * 2015-04-30 2017-10-20 东莞电子科技大学电子信息工程研究院 A kind of tuned antenna tuning methods
US10119837B2 (en) * 2016-07-06 2018-11-06 Biosense Webster (Israel) Ltd. Magnetic-field generating circuit for a tracking system
CN110414087B (en) * 2019-07-10 2023-01-24 北京华安中泰检测技术有限公司 Electronic product service life evaluation method under multi-stress coupling effect

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531117A (en) * 1983-07-05 1985-07-23 Minnesota Mining And Manufacturing Company Variable frequency RF electronic surveillance system
US5715528A (en) * 1996-02-08 1998-02-03 Ford Motor Company Converting capacitance to inductance in a floating resonant
FR2802738A1 (en) * 1999-12-15 2001-06-22 Circe TRANSPONDER READING DEVICE
JP2001344574A (en) * 2000-05-30 2001-12-14 Mitsubishi Materials Corp Antenna device for interrogator
NO313976B1 (en) * 2000-11-06 2003-01-06 Helge Idar Karlsen Device by antenna
JP2002325491A (en) * 2002-03-07 2002-11-08 Sharp Corp Air conditioner
US20080180248A1 (en) * 2004-11-18 2008-07-31 Sensormatic Electronics Corporation Eas Reader Detecting Eas Function From Rfid Device

Also Published As

Publication number Publication date
CN101473536A (en) 2009-07-01
EP2033311A1 (en) 2009-03-11
CN101473536B (en) 2012-03-21
AU2006345217B2 (en) 2011-08-11
WO2008002303A1 (en) 2008-01-03
CA2655562A1 (en) 2008-01-03
AU2006345217A1 (en) 2008-01-03
JP2009543441A (en) 2009-12-03

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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: 20160627