AU2002210873A1 - Capacitive displacement encoder - Google Patents

Capacitive displacement encoder

Info

Publication number
AU2002210873A1
AU2002210873A1 AU2002210873A AU1087302A AU2002210873A1 AU 2002210873 A1 AU2002210873 A1 AU 2002210873A1 AU 2002210873 A AU2002210873 A AU 2002210873A AU 1087302 A AU1087302 A AU 1087302A AU 2002210873 A1 AU2002210873 A1 AU 2002210873A1
Authority
AU
Australia
Prior art keywords
capacitive displacement
displacement encoder
encoder
capacitive
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.)
Abandoned
Application number
AU2002210873A
Inventor
Yishay Netzer
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.)
Netzer Precision Motion Sensors Ltd
Original Assignee
NETZER PREC MOTION SENSORS Ltd
Netzer Precision Motion Sensors Ltd
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 NETZER PREC MOTION SENSORS Ltd, Netzer Precision Motion Sensors Ltd filed Critical NETZER PREC MOTION SENSORS Ltd
Publication of AU2002210873A1 publication Critical patent/AU2002210873A1/en
Abandoned 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
    • 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
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • G01D11/245—Housings for sensors
    • 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
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
    • G01D2205/73—Targets mounted eccentrically with respect to the axis of rotation
AU2002210873A 2000-10-12 2001-10-07 Capacitive displacement encoder Abandoned AU2002210873A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL13898300A IL138983A0 (en) 2000-10-12 2000-10-12 Capacitive displacement encoder
IL138983 2000-10-12
PCT/IL2001/000932 WO2002031432A2 (en) 1999-04-19 2001-10-07 Capacitive displacement encoder

Publications (1)

Publication Number Publication Date
AU2002210873A1 true AU2002210873A1 (en) 2002-04-22

Family

ID=11074731

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002210873A Abandoned AU2002210873A1 (en) 2000-10-12 2001-10-07 Capacitive displacement encoder

Country Status (3)

Country Link
AU (1) AU2002210873A1 (en)
IL (1) IL138983A0 (en)
WO (1) WO2002031432A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7423176B2 (en) * 2004-04-13 2008-09-09 Cephalon, Inc. Bicyclic aromatic sulfinyl derivatives
EP2330388B1 (en) * 2009-12-04 2013-09-04 Hengstler GmbH Method of determining an absolute angle of rotation of a capacitive motion encoder
DE102010050608A1 (en) 2010-11-05 2012-05-10 Hengstler Gmbh Capacitive rotation sensor
DE102012218890A1 (en) 2012-10-17 2014-04-17 Dr. Johannes Heidenhain Gmbh Absolute position measuring device
US11567471B2 (en) * 2021-06-28 2023-01-31 Stmicroelectronics (China) Investment Co. Digital resolver decoder with hardware filter and rectifier

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312892A (en) * 1964-05-04 1967-04-04 Technology Instr Corp Of Calif Contactless electrical transducer having moving parts
US3668672A (en) * 1970-11-13 1972-06-06 Bausch & Lomb Capacitive transducer
US3732553A (en) * 1971-04-16 1973-05-08 Spearhead Inc Capacitive pick-off transducer
JPS5412824B2 (en) * 1972-04-20 1979-05-25
US3961318A (en) * 1975-01-17 1976-06-01 Inductosyn Corporation Electrostatic position-measuring transducer
US4092579A (en) * 1976-12-15 1978-05-30 Contraves Goerz Corporation Brushless printed circuit resolver
US4238781A (en) * 1979-02-09 1980-12-09 Westinghouse Electric Corp. Capacitive angular displacement transducer for remote meter reading
US4429307A (en) * 1982-01-29 1984-01-31 Dataproducts Corporation Capacitive transducer with continuous sinusoidal output
US4586260A (en) * 1984-05-29 1986-05-06 The L. S. Starrett Company Capacitive displacement measuring instrument
JPS61105421A (en) * 1984-10-29 1986-05-23 Mitsutoyo Mfg Co Ltd Electrostatic capacity type encoder
DE3631376C1 (en) * 1986-09-15 1988-05-11 Werner & Pfleiderer Cooling device for plastic granulate
US4906992A (en) * 1988-02-22 1990-03-06 Dynamics Research Corporation Single track absolute encoder
US4947166A (en) * 1988-02-22 1990-08-07 Dynamics Research Corporation Single track absolute encoder
US5172039A (en) * 1991-09-16 1992-12-15 Staodyn, Inc. Device utilizing capacitive coupling to provide an output indicative of angular relationship
AT398245B (en) * 1991-12-30 1994-10-25 Brasseur Georg Dr Techn CAPACITIVE ROTARY ANGLE SENSOR
US5519393A (en) * 1993-07-22 1996-05-21 Bouens, Inc. Absolute digital position encoder with multiple sensors per track
US5880683A (en) * 1993-07-22 1999-03-09 Bourns, Inc. Absolute digital position encoder
US6118283A (en) * 1997-10-20 2000-09-12 Methode Electronics, Inc. Capacitive rotary position sensor
US6170162B1 (en) * 1999-05-27 2001-01-09 Sarcos, L.C. Rotary displacement system using differential measuring

Also Published As

Publication number Publication date
WO2002031432A2 (en) 2002-04-18
WO2002031432A3 (en) 2002-09-12
IL138983A0 (en) 2001-11-25

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