RU2301405C2 - Измерительная цепь с датчиками из шунтированных конденсаторов - Google Patents

Измерительная цепь с датчиками из шунтированных конденсаторов Download PDF

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Publication number
RU2301405C2
RU2301405C2 RU2004127586/28A RU2004127586A RU2301405C2 RU 2301405 C2 RU2301405 C2 RU 2301405C2 RU 2004127586/28 A RU2004127586/28 A RU 2004127586/28A RU 2004127586 A RU2004127586 A RU 2004127586A RU 2301405 C2 RU2301405 C2 RU 2301405C2
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Russia
Prior art keywords
capacitor
sensitive
phase
cycle
during
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RU2004127586/28A
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English (en)
Russian (ru)
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RU2004127586A (ru
Inventor
Ронгтай ВАНГ (US)
Ронгтай ВАНГ
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Роузмаунт Инк.
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Fluid Pressure (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
RU2004127586/28A 2002-02-15 2003-01-27 Измерительная цепь с датчиками из шунтированных конденсаторов RU2301405C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/077,402 2002-02-15
US10/077,402 US6720777B2 (en) 2002-02-15 2002-02-15 Bridged capacitor sensor measurement circuit

Publications (2)

Publication Number Publication Date
RU2004127586A RU2004127586A (ru) 2005-04-10
RU2301405C2 true RU2301405C2 (ru) 2007-06-20

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RU2004127586/28A RU2301405C2 (ru) 2002-02-15 2003-01-27 Измерительная цепь с датчиками из шунтированных конденсаторов

Country Status (7)

Country Link
US (1) US6720777B2 (enExample)
JP (1) JP4679820B2 (enExample)
CN (1) CN1310015C (enExample)
AU (1) AU2003214897A1 (enExample)
DE (1) DE10392352B4 (enExample)
RU (1) RU2301405C2 (enExample)
WO (1) WO2003071230A2 (enExample)

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US7319421B2 (en) * 2006-01-26 2008-01-15 Emerson Process Management Foldback free capacitance-to-digital modulator
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EP2177880A1 (en) * 2008-10-16 2010-04-21 Dialog Imaging Systems GmbH Distance measurement with capacitive sensor
US9069405B2 (en) 2009-07-28 2015-06-30 Cypress Semiconductor Corporation Dynamic mode switching for fast touch response
US8723827B2 (en) 2009-07-28 2014-05-13 Cypress Semiconductor Corporation Predictive touch surface scanning
DE102010001377A1 (de) * 2010-01-29 2011-08-04 E.G.O. Elektro-Gerätebau GmbH, 75038 Schaltungsanordnung zum Bestimmen einer Kapazität einer Anzahl von kapazitiven Sensorelementen
US8714012B2 (en) * 2010-02-16 2014-05-06 Stmicroelectronics S.R.L. Microelectromechanical gyroscope with inversion of actuation forces, and method for actuating a microelectromechanical gyroscope
JP5287785B2 (ja) * 2010-04-07 2013-09-11 株式会社デンソー 静電容量式物理量センサ回路
WO2012027003A1 (en) 2010-08-23 2012-03-01 Cypress Semiconductor Corporation Capacitance scanning proximity detection
FR2968488B1 (fr) * 2010-12-01 2012-12-21 St Microelectronics Rousset Procede de commande d'une surface tactile capacitive
DE102011114502A1 (de) * 2011-09-29 2013-04-04 GEMAC-Gesellschaft für Mikroelektronikanwendung Chemnitz mbH Messverfahren zur dynamischen Kapazitätsmessung nach dem Delta-Sigma-Prinzip und Schaltungsanordnung zur Durchführung des Verfahrens
DE102012210004B4 (de) * 2012-06-14 2014-11-06 Robert Bosch Gmbh Balkendetektor mit Regelschaltung
DE102012025037C5 (de) * 2012-12-20 2017-10-26 I.G. Bauerhin Gmbh Verfahren zur kapazitiven Sitzbelegungserkennung für Fahrzeugsitze
CN103475373B (zh) * 2013-09-02 2016-08-17 深圳市汇顶科技股份有限公司 一种分段电容阵列结构数模转换器
FI126999B (en) * 2014-01-17 2017-09-15 Murata Manufacturing Co Improved pressure sensor
US9628104B2 (en) 2015-03-13 2017-04-18 Rosemount Inc. High resolution sigma delta modulator for capacitance sensor terminal displacement measurement
CN104767512A (zh) * 2015-04-16 2015-07-08 东莞市乐升电子有限公司 电容触摸按键信号测量装置及其测量方法
CN105742334A (zh) * 2016-05-03 2016-07-06 京东方科技集团股份有限公司 有机电致发光显示器件和显示装置
CN107271939A (zh) * 2017-06-21 2017-10-20 北方电子研究院安徽有限公司 一种电容传感器结构阻容测试开关装置
CN107690584B (zh) * 2017-09-11 2020-01-03 深圳市汇顶科技股份有限公司 电容检测电路、电容检测的方法、触摸检测装置和终端设备
JP7146668B2 (ja) * 2019-02-21 2022-10-04 ラピスセミコンダクタ株式会社 容量センサ回路及び半導体集積回路
CN109828159B (zh) * 2019-03-07 2021-06-18 上海申矽凌微电子科技有限公司 测量电容大小的电路
CN113472351A (zh) * 2021-07-13 2021-10-01 上海料聚微电子有限公司 一种精准测量片上电容比例的电路和方法

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US5194819A (en) * 1990-08-10 1993-03-16 Setra Systems, Inc. Linearized capacitance sensor system
RU2139509C1 (ru) * 1992-05-28 1999-10-10 Роузмаунт Инк. Устройство для измерения давления
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2486530C2 (ru) * 2007-07-11 2013-06-27 Маримилс Ой Способ и устройство для емкостного обнаружения объектов

Also Published As

Publication number Publication date
JP2005517945A (ja) 2005-06-16
CN1310015C (zh) 2007-04-11
AU2003214897A8 (en) 2003-09-09
JP4679820B2 (ja) 2011-05-11
DE10392352B4 (de) 2010-08-19
WO2003071230A3 (en) 2003-11-06
WO2003071230A2 (en) 2003-08-28
US6720777B2 (en) 2004-04-13
DE10392352T5 (de) 2005-05-19
AU2003214897A1 (en) 2003-09-09
RU2004127586A (ru) 2005-04-10
US20030155936A1 (en) 2003-08-21
CN1643342A (zh) 2005-07-20

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Effective date: 20110128