CH623412A5 - Absolute electrical precision transducer for measuring linear or angular positions - Google Patents

Absolute electrical precision transducer for measuring linear or angular positions Download PDF

Info

Publication number
CH623412A5
CH623412A5 CH535778A CH535778A CH623412A5 CH 623412 A5 CH623412 A5 CH 623412A5 CH 535778 A CH535778 A CH 535778A CH 535778 A CH535778 A CH 535778A CH 623412 A5 CH623412 A5 CH 623412A5
Authority
CH
Switzerland
Prior art keywords
transducer
absolute
cyclic
code
transducer according
Prior art date
Application number
CH535778A
Other languages
English (en)
Italian (it)
Inventor
Alberto Conte
Original Assignee
Selca Spa
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 Selca Spa filed Critical Selca Spa
Publication of CH623412A5 publication Critical patent/CH623412A5/it

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
    • G01D5/25—Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts
    • G01D5/252—Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts a combination of conductors or channels
    • 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
    • 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
    • G01D5/20—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 inductance, e.g. by a movable armature
    • G01D5/204—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 inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
    • G01D5/2073—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 inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of a single coil with respect to two or more coils
    • G01D5/208—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 inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of a single coil with respect to two or more coils using polyphase currents
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/26—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with weighted coding, i.e. the weight given to a digit depends on the position of the digit within the block or code word, e.g. there is a given radix and the weights are powers of this radix

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
CH535778A 1977-05-18 1978-05-17 Absolute electrical precision transducer for measuring linear or angular positions CH623412A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68123/77A IT1111425B (it) 1977-05-18 1977-05-18 Trasduttore assoluto di precisione per misure di posizioni lineari od angolari

Publications (1)

Publication Number Publication Date
CH623412A5 true CH623412A5 (en) 1981-05-29

Family

ID=11307996

Family Applications (1)

Application Number Title Priority Date Filing Date
CH535778A CH623412A5 (en) 1977-05-18 1978-05-17 Absolute electrical precision transducer for measuring linear or angular positions

Country Status (15)

Country Link
US (1) US4504832A (sv)
JP (1) JPS53143348A (sv)
AU (1) AU524646B2 (sv)
BR (1) BR7803124A (sv)
CA (1) CA1136238A (sv)
CH (1) CH623412A5 (sv)
DE (1) DE2817544A1 (sv)
FR (1) FR2391451A1 (sv)
GB (1) GB1595127A (sv)
IT (1) IT1111425B (sv)
MX (1) MX149962A (sv)
NL (1) NL188541C (sv)
NO (1) NO151172C (sv)
SE (1) SE426989B (sv)
SU (1) SU759059A3 (sv)

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FR2454083A1 (fr) * 1979-04-09 1980-11-07 Facom Dispositif de mesure de la position relative de deux objets
JPS5941014A (ja) * 1982-08-31 1984-03-07 Canon Inc コ−ド板
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JPS6294251A (ja) * 1985-10-17 1987-04-30 Toshiba Mach Co Ltd 位置制御装置
CH665714A5 (fr) * 1985-11-22 1988-05-31 Hans Ulrich Meyer Dispositif de mesure capacitif de longueurs et d'angles.
US4786891A (en) * 1986-04-08 1988-11-22 Yokogawa Electric Corporation Absolute encoder for linear or angular position measurements
US4794393A (en) * 1986-08-22 1988-12-27 Imran Mir A Device for measuring parameters on electrocardiogram strip recordings
SE460928B (sv) * 1986-10-13 1989-12-04 Johansson Ab C E Absolutmaetande skalsystem
US4893077A (en) * 1987-05-28 1990-01-09 Auchterlonie Richard C Absolute position sensor having multi-layer windings of different pitches providing respective indications of phase proportional to displacement
US4893078A (en) * 1987-05-28 1990-01-09 Auchterlonie Richard C Absolute position sensing using sets of windings of different pitches providing respective indications of phase proportional to displacement
DE3834200A1 (de) * 1988-10-07 1990-04-12 Rexroth Mannesmann Gmbh Kapazitiver wegaufnehmer
EP0413922B1 (en) * 1989-06-29 1993-09-22 Mitutoyo Corporation Capacitance-type measuring device for absolute measurement of positions
JPH06507476A (ja) * 1991-01-04 1994-08-25 サイエンティフィック　ジェネリックス　リミテッド 表示器及びその装置
US5115195A (en) * 1991-01-22 1992-05-19 Mts Systems Corporation System and method for measuring the absolute position of one body which is constrained to move with respect to another body
DE4124160C2 (de) * 1991-07-20 1994-07-28 Diehl Gmbh & Co Kapazitiver Drehwinkelgeber
DE4308462A1 (de) * 1993-03-17 1994-09-22 Vdo Schindling Anordnung zur Signalverarbeitung für Absolutwertsensoren mit periodischen Strukturen, insbesondere für Positions- und Winkelsensoren
US5477621A (en) * 1993-04-26 1995-12-26 Mitutoyo Corporation Electrical capacitance instrument and manufacturing method of the same
US6249234B1 (en) 1994-05-14 2001-06-19 Absolute Sensors Limited Position detector
ATE165659T1 (de) * 1994-05-14 1998-05-15 Scient Generics Ltd Weggeber
US20030062889A1 (en) * 1996-12-12 2003-04-03 Synaptics (Uk) Limited Position detector
JP3222018B2 (ja) * 1994-09-28 2001-10-22 キヤノン株式会社 光学機器
US6788221B1 (en) 1996-06-28 2004-09-07 Synaptics (Uk) Limited Signal processing apparatus and method
AU7665998A (en) 1997-05-28 1998-12-30 Absolute Sensors Limited Transducer and method of manufacture
DE19729347A1 (de) * 1997-07-09 1999-01-14 Franz Gleixner Kapazitive Meßvorrichtung für Winkel oder Wege
GB9720954D0 (en) 1997-10-02 1997-12-03 Scient Generics Ltd Commutators for motors
GB9721891D0 (en) 1997-10-15 1997-12-17 Scient Generics Ltd Symmetrically connected spiral transducer
GB9811151D0 (en) 1998-05-22 1998-07-22 Scient Generics Ltd Rotary encoder
DE69911641T2 (de) * 1998-11-27 2004-08-05 Synaptics (Uk) Ltd., Harston Positionssensor
US7019672B2 (en) * 1998-12-24 2006-03-28 Synaptics (Uk) Limited Position sensor
DE19905847C2 (de) * 1999-02-05 2001-02-22 Siedle Horst Gmbh & Co Kg Weg- und/oder Winkelaufnehmer mit mäanderförmiger Meßwicklung
EP1151248B1 (de) 1999-02-05 2004-04-14 HORST SIEDLE GmbH & Co. KG. Weg- und/oder winkelaufnehmer mit mäanderförmiger messwicklung
DE60024321T2 (de) * 1999-12-10 2006-08-17 Sensopad Ltd., Harston Mensch/maschine-schnittstelle
US6694636B1 (en) 2000-09-01 2004-02-24 Kevin Maher Electrocardiogram compass
US7511705B2 (en) * 2001-05-21 2009-03-31 Synaptics (Uk) Limited Position sensor
GB2403017A (en) * 2002-03-05 2004-12-22 Synaptics Position sensor
WO2003105072A2 (en) * 2002-06-05 2003-12-18 Synaptics (Uk) Limited Signal transfer method and apparatus
GB0317370D0 (en) * 2003-07-24 2003-08-27 Synaptics Uk Ltd Magnetic calibration array
GB0319945D0 (en) * 2003-08-26 2003-09-24 Synaptics Uk Ltd Inductive sensing system
WO2008139216A2 (en) 2007-05-10 2008-11-20 Cambridge Integrated Circuits Limited Transducer
US20100123302A1 (en) * 2008-11-18 2010-05-20 Ford Global Technologies, Llc Inductive vehicle seat position sensor assembly
US9727175B2 (en) 2010-05-14 2017-08-08 Elo Touch Solutions, Inc. System and method for detecting locations of touches on a projected capacitive touch sensor
EP2569687A2 (en) * 2010-05-14 2013-03-20 Elo Touch Solutions, Inc. System and method for detecting locations of touches on a touch sensor
GB2488389C (en) 2010-12-24 2018-08-22 Cambridge Integrated Circuits Ltd Position sensing transducer
GB2503006B (en) 2012-06-13 2017-08-09 Cambridge Integrated Circuits Ltd Position sensing transducer
CN104515463A (zh) * 2013-10-03 2015-04-15 上海雷尼威尔技术有限公司 一种位移测量系统和装置
CN104515464A (zh) * 2013-10-03 2015-04-15 上海球栅测量系统有限公司 一种位移测量系统和装置
DE102020111817A1 (de) 2020-04-30 2021-11-04 Pleiger Maschinenbau Gmbh & Co. Kg Vorrichtung zur Stellungserfassung bei hydraulischen oder elektrohydraulischen Antrieben sowie Antrieb mit Stellungserfassungsmittel
CN113884702B (zh) * 2021-10-18 2023-09-26 兰州空间技术物理研究所 一种提高静电悬浮加速度计标度因数一致性的设计方法

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Also Published As

Publication number Publication date
NO781717L (no) 1978-11-21
AU524646B2 (en) 1982-09-30
FR2391451A1 (fr) 1978-12-15
GB1595127A (en) 1981-08-05
US4504832A (en) 1985-03-12
NL7805353A (nl) 1978-11-21
SE7805231L (sv) 1978-11-19
IT1111425B (it) 1986-01-13
NL188541C (nl) 1992-07-16
NO151172B (no) 1984-11-12
FR2391451B1 (sv) 1983-08-26
DE2817544C2 (sv) 1989-08-17
CA1136238A (en) 1982-11-23
AU3606978A (en) 1979-11-15
SU759059A3 (ru) 1980-08-23
SE426989B (sv) 1983-02-21
MX149962A (es) 1984-02-21
JPS53143348A (en) 1978-12-13
DE2817544A1 (de) 1978-11-23
NL188541B (nl) 1992-02-17
BR7803124A (pt) 1979-02-20
NO151172C (no) 1985-02-20

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