GB2059593B - Apparatus and method for remotely determining the position speed and/or direction of movement of a movable object - Google Patents

Apparatus and method for remotely determining the position speed and/or direction of movement of a movable object

Info

Publication number
GB2059593B
GB2059593B GB8026929A GB8026929A GB2059593B GB 2059593 B GB2059593 B GB 2059593B GB 8026929 A GB8026929 A GB 8026929A GB 8026929 A GB8026929 A GB 8026929A GB 2059593 B GB2059593 B GB 2059593B
Authority
GB
United Kingdom
Prior art keywords
movement
direction
apparatus
method
movable object
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
GB8026929A
Other versions
GB2059593A (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.)
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
Priority to US6791179A priority Critical
Application filed by CAIN ENCODER Co filed Critical CAIN ENCODER Co
Publication of GB2059593A publication Critical patent/GB2059593A/en
Application granted granted Critical
Publication of GB2059593B publication Critical patent/GB2059593B/en
Application status is Expired legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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
    • G01D5/14Mechanical 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
    • G01D5/24Mechanical 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
    • G01D5/241Mechanical 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
    • G01D5/2412Mechanical 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
    • G01D5/2415Mechanical 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00Details of instruments
    • G01P1/07Indicating devices, e.g. for remote indication
    • G01P1/08Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G01P1/11Arrangements 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00Indicating or recording presence, absence, or direction, of movement
    • G01P13/02Indicating direction only, e.g. by weather vane
    • G01P13/04Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
    • G01P13/045Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement with speed indication
GB8026929A 1979-08-20 1980-08-19 Apparatus and method for remotely determining the position speed and/or direction of movement of a movable object Expired GB2059593B (en)

Priority Applications (1)

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

Publications (2)

Publication Number Publication Date
GB2059593A GB2059593A (en) 1981-04-23
GB2059593B true GB2059593B (en) 1984-02-08

Family

ID=22079214

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8026929A Expired GB2059593B (en) 1979-08-20 1980-08-19 Apparatus and method for remotely determining the position speed and/or direction of movement of a movable object

Country Status (6)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6489899B1 (en) 1994-05-14 2002-12-03 Synaptics (Uk) Limited Position detector
US6522128B1 (en) 1997-10-15 2003-02-18 Synaptics (Uk) Limited Position sensor having compact arrangement of coils
US6534970B1 (en) 1998-05-22 2003-03-18 Synaptics (Uk) Limited Rotary position sensor and transducer for use therein
US6705511B1 (en) 1997-05-28 2004-03-16 Synaptics (Uk) Limited Transducer and method of manufacture
US8570028B2 (en) 2007-05-10 2013-10-29 Cambridge Integrated Circuits Limited Transducer for a position sensor

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5815091A (en) * 1994-05-14 1998-09-29 Scientific Generics Limited Position encoder
US6788221B1 (en) 1996-06-28 2004-09-07 Synaptics (Uk) Limited Signal processing apparatus and method
GB9720954D0 (en) 1997-10-02 1997-12-03 Scient Generics Ltd Commutators for motors
AU2002326008A1 (en) 2001-05-21 2003-01-02 Synaptics (Uk) Limited Position sensor
AU2003232360A1 (en) 2002-06-05 2003-12-22 Synaptics (Uk) Limited Signal transfer method and apparatus
GB0319945D0 (en) 2003-08-26 2003-09-24 Synaptics Uk Ltd Inductive sensing system
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

Family Cites Families (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 (en) * 1969-04-11 1971-05-31 Battelle Memorial Institute Device to indicate the presence of a movable member in a predetermined area of ​​its trajectory
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
SE411392B (en) * 1977-12-09 1979-12-17 Inst Mikrovagsteknik Vid Tekni Meta device for capacitive bestemning the mutual leget of two relatively movable parts

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6489899B1 (en) 1994-05-14 2002-12-03 Synaptics (Uk) Limited Position detector
US6705511B1 (en) 1997-05-28 2004-03-16 Synaptics (Uk) Limited Transducer and method of manufacture
US6522128B1 (en) 1997-10-15 2003-02-18 Synaptics (Uk) Limited Position sensor having compact arrangement of coils
US6534970B1 (en) 1998-05-22 2003-03-18 Synaptics (Uk) Limited Rotary position sensor and transducer for use therein
US8570028B2 (en) 2007-05-10 2013-10-29 Cambridge Integrated Circuits Limited Transducer for a position sensor

Also Published As

Publication number Publication date
FR2463934A1 (en) 1981-02-27
JPS56108193A (en) 1981-08-27
DE3031457A1 (en) 1982-03-11
GB2059593A (en) 1981-04-23
BR8005273A (en) 1981-03-04
MX148528A (en) 1983-04-29

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Legal Events

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