CN1165773C - 阻抗检测装置和检测方法 - Google Patents
阻抗检测装置和检测方法 Download PDFInfo
- Publication number
- CN1165773C CN1165773C CNB998001597A CN99800159A CN1165773C CN 1165773 C CN1165773 C CN 1165773C CN B998001597 A CNB998001597 A CN B998001597A CN 99800159 A CN99800159 A CN 99800159A CN 1165773 C CN1165773 C CN 1165773C
- Authority
- CN
- China
- Prior art keywords
- impedance
- voltage
- sensor
- oscillator
- resistance
- 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
Links
Images
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
- G01D5/241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
- G01D5/2417—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying separation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
- G01D5/2405—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by varying dielectric
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Measuring Fluid Pressure (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7824498 | 1998-02-19 | ||
JP78244/1998 | 1998-02-19 | ||
JP116357/98 | 1998-04-27 | ||
JP11635798 | 1998-04-27 | ||
JP116357/1998 | 1998-04-27 | ||
JP13173698 | 1998-05-14 | ||
JP131736/98 | 1998-05-14 | ||
JP131736/1998 | 1998-05-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1256756A CN1256756A (zh) | 2000-06-14 |
CN1165773C true CN1165773C (zh) | 2004-09-08 |
Family
ID=27302652
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998001600A Expired - Fee Related CN1161624C (zh) | 1998-02-19 | 1999-02-19 | 电容检测***及检测方法 |
CNB998001597A Expired - Fee Related CN1165773C (zh) | 1998-02-19 | 1999-02-19 | 阻抗检测装置和检测方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998001600A Expired - Fee Related CN1161624C (zh) | 1998-02-19 | 1999-02-19 | 电容检测***及检测方法 |
Country Status (10)
Country | Link |
---|---|
US (2) | US6373264B1 (zh) |
EP (3) | EP0975982B1 (zh) |
JP (2) | JP3498318B2 (zh) |
KR (2) | KR100341964B1 (zh) |
CN (2) | CN1161624C (zh) |
AU (2) | AU730847B2 (zh) |
DE (3) | DE69938636D1 (zh) |
IL (2) | IL132448A0 (zh) |
TW (2) | TW526327B (zh) |
WO (2) | WO1999042847A1 (zh) |
Families Citing this family (77)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19964592B4 (de) * | 1999-04-16 | 2011-06-01 | Prüftechnik Dieter Busch AG | Schwingungsmeßgerät |
TW546480B (en) | 2000-03-07 | 2003-08-11 | Sumitomo Metal Ind | Circuit, apparatus and method for inspecting impedance |
KR100382766B1 (ko) * | 2001-07-02 | 2003-05-09 | 삼성전자주식회사 | 커패시턴스 변화량 측정 장치 및 방법 |
JP4508480B2 (ja) * | 2001-07-11 | 2010-07-21 | 株式会社豊田中央研究所 | 静電容量型センサのセンサ特性測定装置 |
TW591236B (en) * | 2001-09-06 | 2004-06-11 | Sumitomo Metal Industry Ltd | Impedance detector circuit and static capacitance detector circuit |
EP1424562B1 (en) * | 2001-09-06 | 2008-06-25 | Tokyo Electron Limited | Sensor capacity sensing apparatus and sensor capacity sensing method |
TWI221196B (en) * | 2001-09-06 | 2004-09-21 | Tokyo Electron Ltd | Impedance measuring circuit, its method, and electrostatic capacitance measuring circuit |
EP1424563B1 (en) * | 2001-09-06 | 2010-07-21 | Tokyo Electron Limited | Capacitance measuring circuit, capacitance measuring instrument, and microphone device |
TWI221195B (en) * | 2001-09-06 | 2004-09-21 | Tokyo Electron Ltd | Electrostatic capacitance measuring circuit, electrostatic capacitance measuring instrument, and microphone device |
US7699059B2 (en) * | 2002-01-22 | 2010-04-20 | Cardiomems, Inc. | Implantable wireless sensor |
US6855115B2 (en) * | 2002-01-22 | 2005-02-15 | Cardiomems, Inc. | Implantable wireless sensor for pressure measurement within the heart |
DE10305788A1 (de) * | 2003-02-06 | 2004-09-02 | E.G.O. Elektro-Gerätebau GmbH | Schaltungsanordnung für induktiv arbeitende Sensoren und Verfahren zum Betrieb derselben |
CA2539261C (en) * | 2003-09-16 | 2011-05-17 | Cardiomems, Inc. | Implantable wireless sensor |
US8026729B2 (en) | 2003-09-16 | 2011-09-27 | Cardiomems, Inc. | System and apparatus for in-vivo assessment of relative position of an implant |
US7245117B1 (en) * | 2004-11-01 | 2007-07-17 | Cardiomems, Inc. | Communicating with implanted wireless sensor |
KR20050072990A (ko) * | 2004-01-08 | 2005-07-13 | 황인덕 | 전기 임피던스 측정 장치 |
CN100523835C (zh) * | 2004-05-12 | 2009-08-05 | 精工电子有限公司 | 电容-电压转换电路 |
US20060021495A1 (en) * | 2004-08-02 | 2006-02-02 | Freitas Paul J | Electric percussion instruments |
US20060174712A1 (en) * | 2005-02-10 | 2006-08-10 | Cardiomems, Inc. | Hermetic chamber with electrical feedthroughs |
US7647836B2 (en) * | 2005-02-10 | 2010-01-19 | Cardiomems, Inc. | Hermetic chamber with electrical feedthroughs |
US8118749B2 (en) * | 2005-03-03 | 2012-02-21 | Cardiomems, Inc. | Apparatus and method for sensor deployment and fixation |
US8021307B2 (en) | 2005-03-03 | 2011-09-20 | Cardiomems, Inc. | Apparatus and method for sensor deployment and fixation |
AU2006262287A1 (en) | 2005-06-21 | 2007-01-04 | Cardiomems, Inc. | Method of manufacturing implantable wireless sensor for in vivo pressure measurement |
US7621036B2 (en) * | 2005-06-21 | 2009-11-24 | Cardiomems, Inc. | Method of manufacturing implantable wireless sensor for in vivo pressure measurement |
ITMO20050159A1 (it) * | 2005-06-22 | 2006-12-23 | Angelo Grandi Cucine Societa P | Sistema per il controllo dell'umidita'. |
JP2007121133A (ja) * | 2005-10-28 | 2007-05-17 | Denshi Kogyo Kk | 水溶液中の絶縁物粒子の濃度を測定する方法及び装置 |
WO2007106490A2 (en) * | 2006-03-14 | 2007-09-20 | Cardiomems, Inc. | Communicating with an implanted wireless sensor |
JP4817987B2 (ja) * | 2006-06-26 | 2011-11-16 | 日置電機株式会社 | インピーダンス測定装置 |
KR100828128B1 (ko) | 2006-07-20 | 2008-05-09 | 에이디반도체(주) | 시분할 복수 주파수를 이용하는 정전용량 검출방법 및검출장치 |
US7583088B2 (en) * | 2007-01-26 | 2009-09-01 | Freescale Semiconductor, Inc. | System and method for reducing noise in sensors with capacitive pickup |
KR100934222B1 (ko) * | 2007-08-29 | 2009-12-29 | 한국전자통신연구원 | 고해상도의 정전용량-시간 변환 회로 |
DE102007042500B4 (de) * | 2007-09-07 | 2022-05-05 | Innovative Sensor Technology Ist Ag | Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße |
JP2011517261A (ja) * | 2008-02-19 | 2011-05-26 | ブルーム エナジー コーポレーション | 電動車両を充電する燃料電池システム |
US7984285B2 (en) * | 2008-02-26 | 2011-07-19 | Dell Products L.P. | Information handling system port security |
FI121898B (fi) * | 2008-07-01 | 2011-05-31 | Valtion Teknillinen | Menetelmä ja laite impedanssin mittaamiseksi |
US8598890B2 (en) * | 2009-02-23 | 2013-12-03 | Lewis Innovative Technologies | Method and system for protecting products and technology from integrated circuits which have been subject to tampering, stressing and replacement as well as detecting integrated circuits that have been subject to tampering |
US8242790B2 (en) * | 2009-02-23 | 2012-08-14 | Lewis James M | Method and system for detection of tampering related to reverse engineering |
US8188754B2 (en) | 2009-07-15 | 2012-05-29 | Maxim Integrated Products, Inc. | Method and apparatus for sensing capacitance value and converting it into digital format |
JP5414546B2 (ja) * | 2010-01-12 | 2014-02-12 | キヤノン株式会社 | 容量検出型の電気機械変換素子 |
JP5075930B2 (ja) * | 2010-02-19 | 2012-11-21 | 本田技研工業株式会社 | 電荷変化型センサの出力回路 |
US8688393B2 (en) * | 2010-07-29 | 2014-04-01 | Medtronic, Inc. | Techniques for approximating a difference between two capacitances |
US8493080B2 (en) * | 2010-09-14 | 2013-07-23 | Himax Technologies Limited | Test system and method |
JP5242735B2 (ja) * | 2011-05-13 | 2013-07-24 | 日置電機株式会社 | インピーダンス測定装置 |
US8933712B2 (en) | 2012-01-31 | 2015-01-13 | Medtronic, Inc. | Servo techniques for approximation of differential capacitance of a sensor |
CN103391088B (zh) * | 2012-05-10 | 2016-02-03 | 珠海格力电器股份有限公司 | 电路状态反转处理器 |
CN102749525B (zh) * | 2012-06-05 | 2015-05-20 | 泰凌微电子(上海)有限公司 | 电容检测方法及电容检测电路 |
TWI458969B (zh) * | 2012-11-07 | 2014-11-01 | China Steel Corp | Humidity detection device |
EP2757352B1 (fr) * | 2013-01-17 | 2015-11-18 | EM Microelectronic-Marin SA | Système de contrôle et méthode de gestion de capteur |
CN103134996B (zh) * | 2013-01-31 | 2015-12-09 | 珠海中慧微电子有限公司 | 采用电荷补偿的互电容感测电路及方法 |
RU2556301C2 (ru) * | 2013-07-23 | 2015-07-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Юго-Западный государственный университет" (ЮЗ ГУ) | Измеритель параметров многоэлементных rlc-двухполюсников |
CN103532498A (zh) * | 2013-10-23 | 2014-01-22 | 成都市宏山科技有限公司 | 一种低失调的传感器检测电路 |
CN103743420A (zh) * | 2013-11-21 | 2014-04-23 | 成都市宏山科技有限公司 | 用于电容传感器的测量电路 |
FR3014206B1 (fr) * | 2013-12-04 | 2015-12-11 | Renault Sas | Estimation de la resistance d'isolement entre une batterie de vehicule automobile et la masse |
CN104764932B (zh) * | 2014-01-07 | 2017-10-24 | 北大方正集团有限公司 | 一种mos管阱电阻的测量装置及测量方法 |
CN105277786A (zh) * | 2014-07-25 | 2016-01-27 | 南京瀚宇彩欣科技有限责任公司 | 传感器的最大阻抗检测方法及检测装置 |
JP6211493B2 (ja) * | 2014-09-10 | 2017-10-11 | 矢崎総業株式会社 | 温度検出装置 |
JP6795495B2 (ja) | 2014-10-14 | 2020-12-02 | ベクトン・ディキンソン・アンド・カンパニーBecton, Dickinson And Company | 微生物を検出するリアクタンス及びキャパシタンス検知プラットフォーム |
KR20160144135A (ko) * | 2015-06-08 | 2016-12-16 | 크루셜텍 (주) | 지문 검출 장치 및 지문 검출 방법 |
DE102015216438A1 (de) | 2015-08-27 | 2017-03-02 | Carl Zeiss Smt Gmbh | Sensoranordnung für eine Lithographieanlage, Lithographieanlage und Verfahren zum Betreiben einer Lithographieanlage |
RU2615014C1 (ru) * | 2015-12-10 | 2017-04-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет" (ЮЗГУ) | Измеритель параметров многоэлементных RLC- двухполюсников |
GB2559791B (en) * | 2017-02-20 | 2021-10-20 | Skf Ab | A method and system of condition monitoring |
RU2644531C1 (ru) * | 2017-04-12 | 2018-02-12 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет "(ЮЗГУ) | Дифференциатор |
CN106918796B (zh) * | 2017-04-27 | 2020-10-13 | 中国电力科学研究院 | 一种电流互感器二次回路阻抗在线检测***及方法 |
CN107247190B (zh) * | 2017-05-24 | 2019-09-10 | 欧常春 | 一种利用电荷缩放技术的电容检测电路 |
CN111279365A (zh) * | 2017-10-26 | 2020-06-12 | 深圳源光科技有限公司 | 计算单元 |
CN108226642B (zh) * | 2018-01-15 | 2020-04-10 | 湖北工业大学 | 一种阻抗匹配的阻抗谱测量***及方法 |
CN111771110B (zh) * | 2018-03-30 | 2022-06-24 | 松下知识产权经营株式会社 | 静电电容检测装置 |
CN109064956A (zh) * | 2018-07-16 | 2018-12-21 | 深圳市华星光电半导体显示技术有限公司 | 用于侦测感测线电容的侦测电路及感测线电容侦测方法与oled显示装置 |
CN108918980B (zh) * | 2018-07-25 | 2021-04-06 | 济南大学 | 一种电容信号测量电路及测量方法 |
JP7094190B2 (ja) * | 2018-10-16 | 2022-07-01 | 日置電機株式会社 | インピーダンス測定装置およびインピーダンス測定装置における負帰還回路の調整方法 |
CN110542796B (zh) * | 2019-06-26 | 2021-11-09 | 南京理工大学 | 测量电解电容和esr的简易装置 |
US11594244B2 (en) | 2019-10-22 | 2023-02-28 | British Cayman Islands Intelligo Technology Inc. | Apparatus and method for voice event detection |
CN112462258B (zh) * | 2020-11-06 | 2021-11-09 | 珠海格力电器股份有限公司 | 电机端电压检测方法、装置、电路及空调*** |
CN112798872B (zh) * | 2020-12-25 | 2023-08-08 | 南京邮电大学 | 一种触摸屏电容检测电路 |
CN113261960B (zh) * | 2021-03-23 | 2023-01-10 | 微传智能科技(上海)有限公司 | 女性盆底肌压力检测方法 |
CN113960144B (zh) * | 2021-08-26 | 2022-07-19 | 中国科学院上海微***与信息技术研究所 | 一种硅纳米线fet传感器阻值的测量装置及方法 |
TWI797832B (zh) * | 2021-11-12 | 2023-04-01 | 黄竹熊 | 電子吸濕系統及其吸濕感測方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1580335A (en) | 1977-06-27 | 1980-12-03 | Avery Ltd W & T | Capacitance to frequency converter |
JPS5425381A (en) * | 1977-07-27 | 1979-02-26 | Matsushita Electric Ind Co Ltd | Home-use electric appliance |
GB2020816B (en) | 1977-08-09 | 1983-02-02 | Micro Sensors Inc | Capacitive measuring system with automatic calibration means |
US4187459A (en) * | 1978-02-13 | 1980-02-05 | Automatic Systems Laboratories Limited | Digital measurement of impedance ratios |
US4473796A (en) | 1981-03-02 | 1984-09-25 | Ford Aerospace & Communications Corporation | Resistance and capacitance measuring device |
CH652215A5 (de) | 1981-05-18 | 1985-10-31 | Novasina Ag | Verfahren und schaltungsanordnung zur messung der impedanz eines sensors. |
US4526623A (en) | 1983-04-15 | 1985-07-02 | Olympus Optical Co., Ltd. | Method of cleaning endoscope channels |
DE3413849C2 (de) * | 1984-02-21 | 1986-07-10 | Dietrich 8891 Obergriesbach Lüderitz | Kapazitäts-Meßgerät |
FR2576421B1 (fr) | 1985-01-22 | 1987-02-13 | Renault | Transducteur capacite-frequence notamment pour capteurs capacitifs |
DE3703946A1 (de) * | 1987-02-09 | 1988-08-18 | Fraunhofer Ges Forschung | Frequenzselektiver schwingungssensor |
DE3731196A1 (de) * | 1987-09-17 | 1989-03-30 | Messerschmitt Boelkow Blohm | Frequenzselektiver schallwandler |
US4918376A (en) | 1989-03-07 | 1990-04-17 | Ade Corporation | A.C. capacitive gauging system |
DE4135991C1 (en) * | 1990-12-06 | 1992-12-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De | Capacitance-frequency converter producing rectangular pulse train signal - has two changeover switches connected to respective plates of capacitor for connection to different potentials |
JP3262819B2 (ja) | 1991-10-28 | 2002-03-04 | アジレント・テクノロジー株式会社 | 接触判定回路を備えるインピーダンス測定装置及びその接触判定方法 |
US5585733A (en) * | 1992-09-10 | 1996-12-17 | David Sarnoff Research Center | Capacitive sensor and method of measuring changes in capacitance |
JPH06180336A (ja) * | 1992-12-14 | 1994-06-28 | Nippondenso Co Ltd | 静電容量式物理量検出装置 |
JP2613358B2 (ja) | 1994-02-17 | 1997-05-28 | ティーディーケイ株式会社 | 湿度センサ |
JP2795807B2 (ja) * | 1994-06-16 | 1998-09-10 | ティーディーケイ株式会社 | 湿度センサ |
JP2561040B2 (ja) * | 1994-11-28 | 1996-12-04 | 日本電気株式会社 | 容量型センサの容量変化検出回路およびその検出方法 |
US5701101A (en) | 1995-03-20 | 1997-12-23 | The United States Of America As Represented By The Secretary Of The Navy | Charge amplifier for blast gauges |
JPH09280806A (ja) | 1996-04-09 | 1997-10-31 | Nissan Motor Co Ltd | 静電容量式変位計 |
JP3851375B2 (ja) | 1996-04-18 | 2006-11-29 | アジレント・テクノロジーズ・インク | インピーダンス測定装置 |
US5808516A (en) | 1996-06-28 | 1998-09-15 | Harris Corporation | Linearization of voltage-controlled amplifier using MOSFET gain control circuit |
JP3930586B2 (ja) | 1996-07-26 | 2007-06-13 | アジレント・テクノロジーズ・インク | インピーダンス測定装置の帰還ループ安定化方法 |
-
1999
- 1999-02-12 TW TW088102456A patent/TW526327B/zh not_active IP Right Cessation
- 1999-02-12 TW TW088102342A patent/TW418323B/zh not_active IP Right Cessation
- 1999-02-19 EP EP99905244A patent/EP0975982B1/en not_active Expired - Lifetime
- 1999-02-19 KR KR1019997009679A patent/KR100341964B1/ko not_active IP Right Cessation
- 1999-02-19 CN CNB998001600A patent/CN1161624C/zh not_active Expired - Fee Related
- 1999-02-19 CN CNB998001597A patent/CN1165773C/zh not_active Expired - Fee Related
- 1999-02-19 IL IL13244899A patent/IL132448A0/xx unknown
- 1999-02-19 DE DE69938636T patent/DE69938636D1/de not_active Expired - Lifetime
- 1999-02-19 AU AU25479/99A patent/AU730847B2/en not_active Ceased
- 1999-02-19 DE DE69935760T patent/DE69935760T2/de not_active Expired - Lifetime
- 1999-02-19 IL IL13245099A patent/IL132450A0/xx unknown
- 1999-02-19 DE DE69936551T patent/DE69936551T2/de not_active Expired - Lifetime
- 1999-02-19 EP EP99905245A patent/EP0975983B1/en not_active Expired - Lifetime
- 1999-02-19 KR KR10-1999-7009617A patent/KR100377027B1/ko not_active IP Right Cessation
- 1999-02-19 WO PCT/JP1999/000735 patent/WO1999042847A1/en active IP Right Grant
- 1999-02-19 US US09/402,724 patent/US6373264B1/en not_active Expired - Fee Related
- 1999-02-19 EP EP06000364A patent/EP1653771B1/en not_active Expired - Lifetime
- 1999-02-19 US US09/402,699 patent/US6326795B1/en not_active Expired - Fee Related
- 1999-02-19 JP JP54236799A patent/JP3498318B2/ja not_active Expired - Fee Related
- 1999-02-19 AU AU25480/99A patent/AU731610B2/en not_active Ceased
- 1999-02-19 JP JP54236699A patent/JP3498317B2/ja not_active Expired - Fee Related
- 1999-02-19 WO PCT/JP1999/000736 patent/WO1999042848A2/en active IP Right Grant
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1165773C (zh) | 阻抗检测装置和检测方法 | |
US5233180A (en) | Light sensor having an integration circuit | |
US5821745A (en) | Sensor signal processor having accurate digitizing capabilities | |
CN1134564A (zh) | 半导体器件,具有该器件的电路,和相关计算装置,信号转换器和利用该电路的信号处理*** | |
US20180254716A1 (en) | Capacitive transducer drive device and object information acquiring device | |
CN102119479A (zh) | 温度补偿电压泵 | |
US11507228B2 (en) | Acoustic wave signal reading circuits, control methods, and acoustic wave signal reading apparatuses | |
CN101139653A (zh) | 一种频率自适应的振动时效方法及装置 | |
US20140043282A1 (en) | Capacitive touch apparatus and sensing method thereof | |
TW201629845A (zh) | 指紋檢測電路及電子裝置 | |
JP6981549B2 (ja) | 超音波センサ | |
CN103364075B (zh) | 灯具振动检测电路、装置及灯具 | |
CN108875637B (zh) | 信号接收单元及其驱动方法、显示面板和显示装置 | |
CN1258054A (zh) | 改进的用于信号处理的方法和电路装置 | |
JP6032243B2 (ja) | 電流電圧変換回路及び自励発振回路 | |
CN2788445Y (zh) | 一种高集成度可调升压电路 | |
CN114762252A (zh) | 峰值检测器电路和用于评估第一输入电压的峰值的方法 | |
CN117804514A (zh) | 超声探测装置、超声控制电路及其驱动方法 | |
JP4047750B2 (ja) | 静電容量の検出回路及び検出方法 | |
JP6310171B1 (ja) | フォトン検出器 | |
JP2013251804A (ja) | 測定装置の駆動装置、及び駆動方法 | |
CN211702385U (zh) | 随频电子喇叭 | |
RU106361U1 (ru) | Датчик колебаний | |
CN101178893A (zh) | 一种自动跟踪号筒谐振频率的汽车电子喇叭 | |
Haider et al. | A low-power sensor read-out circuit with FSK telemetry for inductively-powered implant system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TOKYO ELECTRON LTD. Free format text: FORMER OWNER: SUMITOMO METAL INDUSTRIES, LTD. Effective date: 20050204 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20050204 Address after: Tokyo, Japan Patentee after: Tokyo Electron Limited Address before: Osaka Japan Patentee before: Sumitomo Metal Industries Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040908 Termination date: 20100219 |