CA2634075C - Resonant circuits - Google Patents

Resonant circuits Download PDF

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Publication number
CA2634075C
CA2634075C CA2634075A CA2634075A CA2634075C CA 2634075 C CA2634075 C CA 2634075C CA 2634075 A CA2634075 A CA 2634075A CA 2634075 A CA2634075 A CA 2634075A CA 2634075 C CA2634075 C CA 2634075C
Authority
CA
Canada
Prior art keywords
resonant circuit
voltage
waveform
resonator
fet
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.)
Active
Application number
CA2634075A
Other languages
English (en)
French (fr)
Other versions
CA2634075A1 (en
Inventor
Nicholas Patrick Roland Hill
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.)
Individual
Original Assignee
Sureflap Ltd
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
Priority claimed from GB0525622A external-priority patent/GB2432999B/en
Priority claimed from GB0525624A external-priority patent/GB2433381B/en
Application filed by Sureflap Ltd filed Critical Sureflap Ltd
Publication of CA2634075A1 publication Critical patent/CA2634075A1/en
Application granted granted Critical
Publication of CA2634075C publication Critical patent/CA2634075C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Near-Field Transmission Systems (AREA)
  • Networks Using Active Elements (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
CA2634075A 2005-12-16 2006-12-07 Resonant circuits Active CA2634075C (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
GB0525622A GB2432999B (en) 2005-12-16 2005-12-16 RF tag detection
GB0525624.3 2005-12-16
GB0525622.7 2005-12-16
GB0525624A GB2433381B (en) 2005-12-16 2005-12-16 Resonant circuits
US75856006P 2006-01-13 2006-01-13
US75855106P 2006-01-13 2006-01-13
US60/758,560 2006-01-13
US60/758,551 2006-01-13
PCT/GB2006/050436 WO2007068974A2 (en) 2005-12-16 2006-12-07 Resonant circuits

Publications (2)

Publication Number Publication Date
CA2634075A1 CA2634075A1 (en) 2007-06-21
CA2634075C true CA2634075C (en) 2014-10-14

Family

ID=43526422

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2634075A Active CA2634075C (en) 2005-12-16 2006-12-07 Resonant circuits

Country Status (6)

Country Link
US (1) US8471642B2 (https=)
EP (1) EP1961117B1 (https=)
JP (1) JP5289057B2 (https=)
AU (1) AU2006325255B2 (https=)
CA (1) CA2634075C (https=)
WO (1) WO2007068974A2 (https=)

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US8766712B2 (en) 2012-05-04 2014-07-01 Analog Devices, Inc. Quality factor tuning for LC circuits
US8918070B2 (en) 2012-05-04 2014-12-23 Analog Devices, Inc. Frequency tuning for LC circuits
US20130335200A1 (en) 2012-06-18 2013-12-19 Master Lock Company Rfid detection system
US20140118160A1 (en) * 2012-10-30 2014-05-01 Quantitative Sampling Technologies, LLC Controller for supervising data acquisition devices
CN103033683B (zh) * 2012-12-14 2015-07-08 南京三宝科技股份有限公司 基于Chirp信号的无源RFID电子标签谐振频率检测系统及方法
WO2014174502A2 (en) * 2013-04-21 2014-10-30 Mizur Technology Ltd. Tuned sensor arrays and methods of constructing and using same
CN103532524B (zh) * 2013-09-27 2017-04-12 南京航空航天大学 一种脉冲无线电信号产生和发射系统及其控制方法
DE102013220596A1 (de) * 2013-10-11 2015-04-16 Continental Automotive Gmbh Treiberschaltung für eine Induktivität, Verfahren zum Betreiben einer Induktivität und aktive Sendeeinrichtung mit einer Treiberschaltung
US10892140B2 (en) 2018-07-27 2021-01-12 Eagle Harbor Technologies, Inc. Nanosecond pulser bias compensation
US11430635B2 (en) 2018-07-27 2022-08-30 Eagle Harbor Technologies, Inc. Precise plasma control system
US11004660B2 (en) * 2018-11-30 2021-05-11 Eagle Harbor Technologies, Inc. Variable output impedance RF generator
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US11810761B2 (en) 2018-07-27 2023-11-07 Eagle Harbor Technologies, Inc. Nanosecond pulser ADC system
US11222767B2 (en) 2018-07-27 2022-01-11 Eagle Harbor Technologies, Inc. Nanosecond pulser bias compensation
US11532457B2 (en) 2018-07-27 2022-12-20 Eagle Harbor Technologies, Inc. Precise plasma control system
EP3834285B1 (en) 2018-08-10 2024-12-25 Eagle Harbor Technologies, Inc. Plasma sheath control for rf plasma reactors
US12456604B2 (en) 2019-12-24 2025-10-28 Eagle Harbor Technologies, Inc. Nanosecond pulser RF isolation for plasma systems
EP3742341B1 (en) * 2019-05-20 2022-07-27 Nxp B.V. Rfid transponder and method of operating the same
TWI778449B (zh) 2019-11-15 2022-09-21 美商鷹港科技股份有限公司 高電壓脈衝電路
KR20230150396A (ko) 2019-12-24 2023-10-30 이글 하버 테크놀로지스, 인코포레이티드 플라즈마 시스템을 위한 나노초 펄서 rf 절연
US11967484B2 (en) 2020-07-09 2024-04-23 Eagle Harbor Technologies, Inc. Ion current droop compensation
WO2022063550A1 (de) 2020-09-23 2022-03-31 Saint-Gobain Glass France Isolierverglasungseinheit und verglasung
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Also Published As

Publication number Publication date
WO2007068974A2 (en) 2007-06-21
AU2006325255B2 (en) 2011-08-11
EP1961117A2 (en) 2008-08-27
US8471642B2 (en) 2013-06-25
AU2006325255A1 (en) 2007-06-21
US20110025410A1 (en) 2011-02-03
EP1961117B1 (en) 2014-01-22
CA2634075A1 (en) 2007-06-21
JP5289057B2 (ja) 2013-09-11
JP2009519651A (ja) 2009-05-14
WO2007068974A3 (en) 2007-07-26

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