FR2463934A1 - Appareil et procede pour le controle a distance de la position, la vitesse et/ou la direction du mouvement d'un objet mobile - Google Patents

Appareil et procede pour le controle a distance de la position, la vitesse et/ou la direction du mouvement d'un objet mobile Download PDF

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Publication number
FR2463934A1
FR2463934A1 FR8018224A FR8018224A FR2463934A1 FR 2463934 A1 FR2463934 A1 FR 2463934A1 FR 8018224 A FR8018224 A FR 8018224A FR 8018224 A FR8018224 A FR 8018224A FR 2463934 A1 FR2463934 A1 FR 2463934A1
Authority
FR
France
Prior art keywords
electrodes
electric field
needle
polyphase
row
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.)
Pending
Application number
FR8018224A
Other languages
English (en)
French (fr)
Inventor
Charles J Cain
David W Mosier Jr
Thomas D Wason
Edward J Walker
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.)
Cain Encoder Co
Original Assignee
Cain Encoder Co
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 Cain Encoder Co filed Critical Cain Encoder Co
Publication of FR2463934A1 publication Critical patent/FR2463934A1/fr
Pending 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
    • 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
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G01P1/11—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds by the detection of the position of the indicator needle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/02—Indicating direction only, e.g. by weather vane
    • G01P13/04—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
    • G01P13/045—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement with speed indication

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)
  • Arrangements For Transmission Of Measured Signals (AREA)
FR8018224A 1979-08-20 1980-08-20 Appareil et procede pour le controle a distance de la position, la vitesse et/ou la direction du mouvement d'un objet mobile Pending FR2463934A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6791179A 1979-08-20 1979-08-20

Publications (1)

Publication Number Publication Date
FR2463934A1 true FR2463934A1 (fr) 1981-02-27

Family

ID=22079214

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8018224A Pending FR2463934A1 (fr) 1979-08-20 1980-08-20 Appareil et procede pour le controle a distance de la position, la vitesse et/ou la direction du mouvement d'un objet mobile

Country Status (6)

Country Link
JP (1) JPS56108193A (ja)
BR (1) BR8005273A (ja)
DE (1) DE3031457A1 (ja)
FR (1) FR2463934A1 (ja)
GB (1) GB2059593B (ja)
MX (1) MX148528A (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9507650A (pt) * 1994-05-14 1997-09-09 Scient Generics Ltd Codificador de posiçao
US6249234B1 (en) 1994-05-14 2001-06-19 Absolute Sensors Limited Position detector
US6788221B1 (en) 1996-06-28 2004-09-07 Synaptics (Uk) Limited Signal processing apparatus and method
WO1998054545A2 (en) 1997-05-28 1998-12-03 Absolute Sensors Limited Position transducer and method of manufacture
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
DE60227174D1 (de) 2001-05-21 2008-07-31 Synaptics Uk Ltd Positionssensor
US7907130B2 (en) 2002-06-05 2011-03-15 Synaptics (Uk) Limited Signal transfer method and apparatus
GB0319945D0 (en) 2003-08-26 2003-09-24 Synaptics Uk Ltd Inductive sensing system
GB2461448B (en) 2007-05-10 2011-08-31 Cambridge Integrated Circuits Ltd Transducer
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500365A (en) * 1968-11-12 1970-03-10 Charles J Cain Apparatus for remotely determining the angular orientation,speed,and/or direction of rotation of objects
CH507779A (fr) * 1969-04-11 1971-05-31 Battelle Memorial Institute Dispositif pour indiquer la présence d'un organe mobile dans une zone prédéterminée de sa trajectoire
US4007454A (en) * 1975-09-12 1977-02-08 Charles J. Cain Apparatus for remotely determining the angular orientation, speed, and/or direction of rotation of objects
FR2411391A1 (fr) * 1977-12-09 1979-07-06 Stiftelsen Inst Mikrovags Dispositif de mesure capacitif

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500365A (en) * 1968-11-12 1970-03-10 Charles J Cain Apparatus for remotely determining the angular orientation,speed,and/or direction of rotation of objects
CH507779A (fr) * 1969-04-11 1971-05-31 Battelle Memorial Institute Dispositif pour indiquer la présence d'un organe mobile dans une zone prédéterminée de sa trajectoire
US4007454A (en) * 1975-09-12 1977-02-08 Charles J. Cain Apparatus for remotely determining the angular orientation, speed, and/or direction of rotation of objects
FR2411391A1 (fr) * 1977-12-09 1979-07-06 Stiftelsen Inst Mikrovags Dispositif de mesure capacitif

Also Published As

Publication number Publication date
BR8005273A (pt) 1981-03-04
MX148528A (es) 1983-04-29
DE3031457A1 (de) 1982-03-11
JPS56108193A (en) 1981-08-27
GB2059593B (en) 1984-02-08
GB2059593A (en) 1981-04-23

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