DE3689632D1 - Kapazitätsmessbrücke hoher genauigkeit. - Google Patents

Kapazitätsmessbrücke hoher genauigkeit.

Info

Publication number
DE3689632D1
DE3689632D1 DE86906197T DE3689632T DE3689632D1 DE 3689632 D1 DE3689632 D1 DE 3689632D1 DE 86906197 T DE86906197 T DE 86906197T DE 3689632 T DE3689632 T DE 3689632T DE 3689632 D1 DE3689632 D1 DE 3689632D1
Authority
DE
Germany
Prior art keywords
high accuracy
measuring bridge
capacity measuring
bridge high
capacity
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
DE86906197T
Other languages
English (en)
Other versions
DE3689632T2 (de
Inventor
Carl Andeen
Carl Hagerling
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.)
Andeen Hagerling Inc
Original Assignee
Andeen Hagerling Inc
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 Andeen Hagerling Inc filed Critical Andeen Hagerling Inc
Publication of DE3689632D1 publication Critical patent/DE3689632D1/de
Application granted granted Critical
Publication of DE3689632T2 publication Critical patent/DE3689632T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G01R27/2605—Measuring capacitance
    • 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
    • G01R27/08—Measuring resistance by measuring both voltage and current
    • G01R27/10—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
DE3689632T 1985-10-01 1986-10-01 Kapazitätsmessbrücke hoher genauigkeit. Expired - Fee Related DE3689632T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/782,484 US4772844A (en) 1985-10-01 1985-10-01 High precision capacitance bridge
PCT/US1986/002063 WO1987002142A1 (en) 1985-10-01 1986-10-01 High precision capacitance bridge

Publications (2)

Publication Number Publication Date
DE3689632D1 true DE3689632D1 (de) 1994-03-24
DE3689632T2 DE3689632T2 (de) 1994-09-01

Family

ID=25126199

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3689632T Expired - Fee Related DE3689632T2 (de) 1985-10-01 1986-10-01 Kapazitätsmessbrücke hoher genauigkeit.

Country Status (5)

Country Link
US (1) US4772844A (de)
EP (1) EP0240556B1 (de)
JP (1) JPS63501979A (de)
DE (1) DE3689632T2 (de)
WO (1) WO1987002142A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2685748B2 (ja) * 1986-07-11 1997-12-03 日本ヒューレット・パッカード株式会社 回路定数測定器
US4896100A (en) * 1988-08-30 1990-01-23 Hitec Products, Inc. Signal conditioner for capacitive transducer
US5113140A (en) * 1990-06-20 1992-05-12 National Research Council Of Canada Microprocessor-controlled high-voltage capacitance bridge
US5287065A (en) * 1991-10-04 1994-02-15 Doble Engineering Company Automatic bridge balancing using controllable impedance in characterizing unknown impedance
FR2693555B1 (fr) * 1992-07-09 1994-09-09 Onera (Off Nat Aerospatiale) Dispositif de mesure d'impédance.
JP3356043B2 (ja) * 1997-12-26 2002-12-09 三菱電機株式会社 レーザ加工装置用距離検出器
US6204673B1 (en) 1998-12-01 2001-03-20 Andeen-Hagerling, Inc. Method and apparatus using feedback to correct the production of magnitude and phase relationships between two sinusoidal signals for use in a ratio-transformer capacitance bridge
JP2004184186A (ja) * 2002-12-02 2004-07-02 Agilent Technologies Japan Ltd 容量測定システム
US6987391B2 (en) * 2003-06-16 2006-01-17 Andeen-Hagerling, Inc. Apparatus for and method of synchronous rejection
GB2419950A (en) * 2004-11-09 2006-05-10 Sharp Kk Capacitance measuring apparatus for LCD touch screen
CH699753A1 (de) * 2008-10-16 2010-04-30 Uster Technologies Ag Vorrichtung und verfahren zum ausmessen einer kapazität.
US8255191B1 (en) * 2009-04-30 2012-08-28 Cadence Design Systems, Inc. Using real value models in simulation of analog and mixed-signal systems
US8704537B2 (en) 2011-09-27 2014-04-22 The Board Of Trustees Of The Leland Stanford Junior University Integrated capacitance bridge for high-resolution wide-temperature-range capacitance measurement
CN103487663B (zh) * 2013-08-12 2015-09-09 中国振华（集团）新云电子元器件有限责任公司 一种超级电容器的电容量测试系统及其测试方法
CN108828322B (zh) * 2018-05-09 2024-02-06 江苏电子信息职业学院 一种小容量电容高速检测电路
GB202001429D0 (en) 2020-02-03 2020-03-18 Razorbill Instruments Ltd A displacement sensor
CN113466563B (zh) * 2021-07-30 2024-08-30 深圳市汇创达科技股份有限公司 一种用于测试多路电阻阻值的装置
CN114548133B (zh) * 2022-03-09 2022-10-14 浙江海康科技有限公司 超高频rfid收发一体与收发分离复用读写系统及其自适应配置方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3473117A (en) * 1965-12-15 1969-10-14 Hewlett Packard Yokogawa Bridge circuit having phase shifter and nulling direction indicator
US3562641A (en) * 1968-11-25 1971-02-09 Gen Radio Co Impedance-measuring transformer bridge with automatic digital balancing circuit

Also Published As

Publication number Publication date
EP0240556B1 (de) 1994-02-09
EP0240556A1 (de) 1987-10-14
WO1987002142A1 (en) 1987-04-09
JPS63501979A (ja) 1988-08-04
DE3689632T2 (de) 1994-09-01
US4772844A (en) 1988-09-20
EP0240556A4 (de) 1989-10-27

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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