GB2078966B - Capacitive displacement measurement - Google Patents

Capacitive displacement measurement

Info

Publication number
GB2078966B
GB2078966B GB8116126A GB8116126A GB2078966B GB 2078966 B GB2078966 B GB 2078966B GB 8116126 A GB8116126 A GB 8116126A GB 8116126 A GB8116126 A GB 8116126A GB 2078966 B GB2078966 B GB 2078966B
Authority
GB
United Kingdom
Prior art keywords
displacement measurement
capacitive displacement
capacitive
measurement
displacement
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
Application number
GB8116126A
Other languages
English (en)
Other versions
GB2078966A (en
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 GB2078966A publication Critical patent/GB2078966A/en
Application granted granted Critical
Publication of GB2078966B publication Critical patent/GB2078966B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01D5/2412—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 overlap
    • G01D5/2415—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 overlap adapted for encoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measuring Fluid Pressure (AREA)
GB8116126A 1980-05-27 1981-05-27 Capacitive displacement measurement Expired GB2078966B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3020411A DE3020411C2 (de) 1980-05-27 1980-05-27 Vorrichtung zum Messen der Verschiebung zweier Körper

Publications (2)

Publication Number Publication Date
GB2078966A GB2078966A (en) 1982-01-13
GB2078966B true GB2078966B (en) 1984-04-18

Family

ID=6103514

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8116126A Expired GB2078966B (en) 1980-05-27 1981-05-27 Capacitive displacement measurement

Country Status (6)

Country Link
US (1) US4449179A (US07582779-20090901-C00044.png)
JP (1) JPS5761914A (US07582779-20090901-C00044.png)
CH (1) CH643652A5 (US07582779-20090901-C00044.png)
DE (1) DE3020411C2 (US07582779-20090901-C00044.png)
FR (1) FR2483603B1 (US07582779-20090901-C00044.png)
GB (1) GB2078966B (US07582779-20090901-C00044.png)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1152526B (it) * 1982-09-03 1987-01-07 Giacomo Giacomello Trasdutture a nastro metallico per misure micrometriche di grandezze lineari
DE3301741A1 (de) * 1983-01-20 1984-07-26 Bosch Gmbh Robert Kraftstoffpumpe mit permanentmagnetischer vorerregung und geregeltem kolbenhub
US4606008A (en) * 1983-07-25 1986-08-12 Cain Encoder Company Angular position detector
DE3440221C2 (de) * 1984-11-03 1993-11-18 Mauser Werke Oberndorf Meßuhr mit digitaler Anzeigeeinheit
AT383212B (de) * 1985-07-10 1987-06-10 Rsf Elektronik Gmbh Laengenmesssystem fuer werkzeugmaschinen
CH665714A5 (fr) * 1985-11-22 1988-05-31 Hans Ulrich Meyer Dispositif de mesure capacitif de longueurs et d'angles.
JPS62156519A (ja) * 1985-12-27 1987-07-11 Mitsutoyo Mfg Corp 静電容量型エンコ−ダ
CH670306A5 (US07582779-20090901-C00044.png) * 1986-11-13 1989-05-31 Hans Ulrich Meyer
US4893071A (en) * 1988-05-24 1990-01-09 American Telephone And Telegraph Company, At&T Bell Laboratories Capacitive incremental position measurement and motion control
CH677044A5 (US07582779-20090901-C00044.png) * 1988-06-20 1991-03-28 Weber Hans R
US5049824A (en) * 1988-12-12 1991-09-17 Mitutoyo Corp. Phase discrimination type electrostatic capacity detector
US5070302A (en) * 1989-09-05 1991-12-03 Eastman Kodak Company Capacitance probe for measuring a width of a clearance between parts
CH685214A5 (fr) * 1991-10-15 1995-04-28 Hans Ulrich Meyer Capteur capacitif de position.
US5237307A (en) * 1991-11-27 1993-08-17 The United States Of America As Represented By The United States Department Of Energy Non-contact tamper sensing by electronic means
US5406715A (en) * 1992-07-07 1995-04-18 Mitutoyo Corporation Tape measure device
US5477621A (en) * 1993-04-26 1995-12-26 Mitutoyo Corporation Electrical capacitance instrument and manufacturing method of the same
US5731707A (en) * 1996-04-17 1998-03-24 Mitutoyo Corporation Method and apparatus for synthesizing spatial waveforms in an electronic position encoder
DE69621334T2 (de) * 1996-10-11 2003-01-09 Tesa Brown & Sharpe Sa Kapazitive Dimensionsmesseinrichtung
CN1064754C (zh) * 1998-12-18 2001-04-18 赵飙 改进型电容性位移传感器
JP4350220B2 (ja) * 1999-08-06 2009-10-21 株式会社ミツトヨ 変位測定装置
CN1155794C (zh) 1999-12-02 2004-06-30 株式会社三丰 静电电容式变位检测装置
DE10008093B4 (de) * 2000-02-22 2007-07-05 Ifm Electronic Gmbh Kapazitives Füllstandsmessgerät
US6892590B1 (en) * 2003-11-04 2005-05-17 Andermotion Technologies Llc Single-balanced shield electrode configuration for use in capacitive displacement sensing systems and methods
US7574950B2 (en) 2004-04-15 2009-08-18 Milwaukee Electric Tool Corporation Bevel adjustment assembly for a saw
US7259695B2 (en) * 2004-09-17 2007-08-21 Andermotion Technologies Llc Low-profile multi-turn encoder systems and methods
CN102988054A (zh) * 2012-11-23 2013-03-27 东华大学 一种柔性无线电子卷尺的智能化测量人体的装置及方法
CN103822571B (zh) * 2014-03-19 2016-11-02 重庆理工大学 基于单排多层结构的电场式时栅直线位移传感器
DE102022117186A1 (de) 2022-07-11 2024-01-11 Ewellix AB Positionsgeber, Linearaktuator und Verfahren zur Positionsbestimmung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925590A (en) * 1957-08-01 1960-02-16 North American Aviation Inc Capacitive pickoff
US3039051A (en) * 1959-08-12 1962-06-12 Zellweger Uster Ag Apparatus for gaging textile materials
US3312892A (en) * 1964-05-04 1967-04-04 Technology Instr Corp Of Calif Contactless electrical transducer having moving parts
US3487402A (en) * 1966-09-08 1969-12-30 Gen Electric Digital capacitance motion transducer
DE2149881B1 (de) * 1971-10-06 1973-02-01 Hartmann & Braun Ag Kapazitiver geber
GB1370233A (en) * 1972-01-06 1974-10-16 Goring Kerr Ltd Electrical sorting apparatus
CH539837A (de) * 1972-03-22 1973-07-31 Ulrich Meyer Hans Kapazitive Längenmesseinrichtung
JPS5412824B2 (US07582779-20090901-C00044.png) * 1972-04-20 1979-05-25
FR2213480B1 (US07582779-20090901-C00044.png) * 1973-01-08 1979-01-12 Cii
US3824460A (en) * 1973-04-02 1974-07-16 R Gustafson Leakage sensor
JPS5263361A (en) * 1975-11-19 1977-05-25 Fujitsu Ltd Static electricity angle detection device
SE411392B (sv) * 1977-12-09 1979-12-17 Inst Mikrovagsteknik Vid Tekni Metanordning for kapacitiv bestemning av det inbordes leget hos tva relativt varandra rorliga delar
FR2457003A1 (fr) * 1979-05-15 1980-12-12 Herve Marcel Capteur capacitif a dielectrique mobile

Also Published As

Publication number Publication date
FR2483603A1 (fr) 1981-12-04
FR2483603B1 (fr) 1986-01-03
DE3020411C2 (de) 1983-09-22
CH643652A5 (fr) 1984-06-15
US4449179A (en) 1984-05-15
JPS5761914A (en) 1982-04-14
JPH0136563B2 (US07582779-20090901-C00044.png) 1989-08-01
GB2078966A (en) 1982-01-13
DE3020411A1 (de) 1981-12-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930527