DE69715651D1 - Einrichtung zum nachführen einer resonanzfrequenz - Google Patents

Einrichtung zum nachführen einer resonanzfrequenz

Info

Publication number
DE69715651D1
DE69715651D1 DE69715651T DE69715651T DE69715651D1 DE 69715651 D1 DE69715651 D1 DE 69715651D1 DE 69715651 T DE69715651 T DE 69715651T DE 69715651 T DE69715651 T DE 69715651T DE 69715651 D1 DE69715651 D1 DE 69715651D1
Authority
DE
Germany
Prior art keywords
resonant
frequency
resonant structure
signal
tracking
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 - Fee Related
Application number
DE69715651T
Other languages
English (en)
Other versions
DE69715651T2 (de
Inventor
Anthony Lonsdale
Bryan Lonsdale
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
Individual
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 Individual filed Critical Individual
Publication of DE69715651D1 publication Critical patent/DE69715651D1/de
Application granted granted Critical
Publication of DE69715651T2 publication Critical patent/DE69715651T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/02—Varying the frequency of the oscillations by electronic means
    • H03B2201/0208—Varying the frequency of the oscillations by electronic means the means being an element with a variable capacitance, e.g. capacitance diode

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • General Induction Heating (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Measuring Fluid Pressure (AREA)
  • Aerials With Secondary Devices (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Burglar Alarm Systems (AREA)
  • Transmitters (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Telephonic Communication Services (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
DE69715651T 1996-11-13 1997-11-13 Einrichtung zum nachführen einer resonanzfrequenz Expired - Fee Related DE69715651T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPO3590A AUPO359096A0 (en) 1996-11-13 1996-11-13 Apparatus for tracking resonant frequency
PCT/GB1997/003028 WO1998021818A1 (en) 1996-11-13 1997-11-13 Apparatus for tracking resonant frequency

Publications (2)

Publication Number Publication Date
DE69715651D1 true DE69715651D1 (de) 2002-10-24
DE69715651T2 DE69715651T2 (de) 2003-08-07

Family

ID=3797901

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69715651T Expired - Fee Related DE69715651T2 (de) 1996-11-13 1997-11-13 Einrichtung zum nachführen einer resonanzfrequenz

Country Status (13)

Country Link
US (1) US6467351B2 (de)
EP (1) EP0940004B1 (de)
JP (1) JP4177460B2 (de)
KR (1) KR20000053211A (de)
CN (1) CN1188944C (de)
AT (1) ATE224612T1 (de)
AU (1) AUPO359096A0 (de)
BR (1) BR9714969A (de)
CA (1) CA2271479A1 (de)
DE (1) DE69715651T2 (de)
ES (1) ES2186002T3 (de)
PT (1) PT940004E (de)
WO (1) WO1998021818A1 (de)

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GB0208881D0 (en) * 2002-04-18 2002-05-29 Transense Technologies Plc Improved method for tracking a resonant frequency
US6854322B2 (en) * 2002-06-10 2005-02-15 The Procter & Gamble Company Directional coupler sensor
US7261000B2 (en) 2004-04-26 2007-08-28 The Procter & Gamble Company Methods of assessing characteristics of fibrous substrates and treating fibrous substrates
US20080100429A1 (en) * 2006-11-01 2008-05-01 Lear Corporation Tire pressure monitoring (tpm) and remote keyless entry (rke) system for a vehicle
JP5326238B2 (ja) * 2007-08-07 2013-10-30 Ｔｄｋ株式会社 信号検出装置
JP5266728B2 (ja) * 2007-11-16 2013-08-21 Ｔｄｋ株式会社 信号抽出装置
US8085156B2 (en) * 2009-04-08 2011-12-27 Rosemount Inc. RF cavity-based process fluid sensor
CN102111153B (zh) * 2010-04-02 2013-02-27 中国科学院上海天文台 一种氢原子钟腔频自动调谐系统
JP5462698B2 (ja) * 2010-04-28 2014-04-02 公立大学法人会津大学 カンチレバーアレイを有する共振センサ装置
CN103403538B (zh) 2010-10-20 2016-06-01 快速诊断技术公司 利用共振传感器测量结合动力的装置和方法
FR2994777B1 (fr) * 2012-08-22 2014-08-22 Commissariat Energie Atomique Circuit de mesure de frequence de resonance de nano-resonateurs
EP3000177A4 (de) 2013-05-23 2016-12-28 Rapid Diagnostek Inc Verbindungsvorrichtung und modul damit
CN105408747A (zh) 2013-05-23 2016-03-16 快速诊断技术公司 谐振器传感器模块系统和方法
JP6519384B2 (ja) * 2015-07-30 2019-05-29 株式会社デンソー Ｓａｗセンサの共振周波数検出装置
JP6547618B2 (ja) * 2015-12-24 2019-07-24 株式会社デンソー Ｓａｗセンサの共振周波数検出装置
CN106930964B (zh) * 2015-12-31 2018-10-12 华为技术有限公司 压电风扇固有频率测量方法和压电风扇
CN110125793B (zh) * 2016-12-23 2021-02-26 浙江大学台州研究院 基于谐振频率自动搜索机制的石英晶片测控方法
CN107505281A (zh) * 2017-07-25 2017-12-22 西安交通大学 一种基于硅微谐振器的太赫兹波检测器
CN109633264B (zh) * 2018-12-13 2021-07-06 深圳市英威腾电气股份有限公司 一种中频电源的寻频方法、装置及设备
CN109633484B (zh) * 2018-12-13 2021-06-29 深圳市英威腾电气股份有限公司 一种中频电源的锁相方法、装置及设备
CN112968699B (zh) * 2021-02-04 2023-10-17 厦门骏微电子科技有限公司 一种震荡频率的自适应追频方法及超声波雾化器
CN114336761B (zh) * 2022-01-10 2023-09-15 深圳市天德普储能科技有限公司 一种微电网中提高电压质量的逆变器电压控制器设计方法
CN117439544B (zh) * 2023-12-20 2024-04-09 深圳市瀚强科技股份有限公司 工作频率调节方法、工作频率控制电路及射频电源设备

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
GB1451664A (en) * 1973-06-06 1976-10-06 Nat Res Dev Surface acoustic wave oscillators
US4062227A (en) * 1976-12-23 1977-12-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration CW ultrasonic bolt tensioning monitor
US4100811A (en) 1977-03-18 1978-07-18 United Technologies Corporation Differential surface acoustic wave transducer
FR2423916A1 (fr) 1978-04-18 1979-11-16 Thomson Csf Oscillateur hyperfrequences a ondes acoustiques
US4760352A (en) * 1987-09-04 1988-07-26 R.F. Monolithics Coupled resonator phase shift oscillator
US5025222A (en) * 1989-07-07 1991-06-18 Phase Dynamics, Inc. System and method for monitoring substances and reactions
GB9004822D0 (en) * 1990-03-03 1990-04-25 Lonsdale Anthony Method and apparatus for measuring torque
US5076094A (en) * 1990-10-03 1991-12-31 The United States Of America As Represented By The United States Department Of Energy Dual output acoustic wave sensor for molecular identification
US5374521A (en) * 1991-09-17 1994-12-20 Kipling; Arlin L. Acoustic reflection process for molecular sensing using a bulk acoustic wave quartz sensor
WO1993007444A1 (en) * 1991-10-03 1993-04-15 Caterpillar Inc. Apparatus and method for determining the linear position of a hydraulic cylinder
EP0701698B1 (de) * 1993-06-01 1997-11-19 E.I. Du Pont De Nemours And Company Analyt-reagierende ktp zusammensetzung und verfahren
US6166551A (en) * 1993-07-26 2000-12-26 Phase Dynamics Inc. Method for monitoring the state of microcrystalline change of solid materials
US5748002A (en) * 1996-01-26 1998-05-05 Phase Dynamics Inc. RF probe for montoring composition of substances
US5795993A (en) * 1995-11-29 1998-08-18 Sandia Corporation Acoustic-wave sensor for ambient monitoring of a photoresist-stripping agent
GB9618096D0 (en) * 1996-08-29 1996-10-09 Rolls Royce Plc Identification of resonant frequencies of vibration of rotating blades

Also Published As

Publication number Publication date
CN1188944C (zh) 2005-02-09
US6467351B2 (en) 2002-10-22
DE69715651T2 (de) 2003-08-07
ATE224612T1 (de) 2002-10-15
CN1244968A (zh) 2000-02-16
AUPO359096A0 (en) 1996-12-05
US20020100325A1 (en) 2002-08-01
WO1998021818A1 (en) 1998-05-22
EP0940004A1 (de) 1999-09-08
ES2186002T3 (es) 2003-05-01
CA2271479A1 (en) 1998-05-22
JP4177460B2 (ja) 2008-11-05
EP0940004B1 (de) 2002-09-18
PT940004E (pt) 2003-02-28
JP2001505305A (ja) 2001-04-17
BR9714969A (pt) 2001-09-11
KR20000053211A (ko) 2000-08-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee