GB2454045B - Inductive linear displacement sensor - Google Patents

Inductive linear displacement sensor

Info

Publication number
GB2454045B
GB2454045B GB0813089A GB0813089A GB2454045B GB 2454045 B GB2454045 B GB 2454045B GB 0813089 A GB0813089 A GB 0813089A GB 0813089 A GB0813089 A GB 0813089A GB 2454045 B GB2454045 B GB 2454045B
Authority
GB
United Kingdom
Prior art keywords
displacement sensor
linear displacement
inductive linear
inductive
sensor
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 - Fee Related
Application number
GB0813089A
Other versions
GB2454045A (en
GB0813089D0 (en
Inventor
Peter Kenneth Smith
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.)
ACTIVE SENSORS Ltd
Original Assignee
ACTIVE 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 ACTIVE SENSORS Ltd filed Critical ACTIVE SENSORS Ltd
Publication of GB0813089D0 publication Critical patent/GB0813089D0/en
Publication of GB2454045A publication Critical patent/GB2454045A/en
Application granted granted Critical
Publication of GB2454045B publication Critical patent/GB2454045B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01D5/20—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
    • G01D5/2046—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 a movable ferromagnetic element, e.g. a core
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • 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
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
    • 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
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
    • G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
    • 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
    • G01D5/2006—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 self-induction of one or more coils
    • G01D5/2013—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 self-induction of one or more coils by a movable ferromagnetic element, e.g. a core

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
GB0813089A 2007-07-20 2008-07-17 Inductive linear displacement sensor Expired - Fee Related GB2454045B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0714208A GB0714208D0 (en) 2007-07-20 2007-07-20

Publications (3)

Publication Number Publication Date
GB0813089D0 GB0813089D0 (en) 2008-08-27
GB2454045A GB2454045A (en) 2009-04-29
GB2454045B true GB2454045B (en) 2011-10-26

Family

ID=38476716

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0714208A Ceased GB0714208D0 (en) 2007-07-20 2007-07-20
GB0813089A Expired - Fee Related GB2454045B (en) 2007-07-20 2008-07-17 Inductive linear displacement sensor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0714208A Ceased GB0714208D0 (en) 2007-07-20 2007-07-20

Country Status (1)

Country Link
GB (2) GB0714208D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT509627B1 (en) 2010-03-29 2012-04-15 Ait Austrian Institute Of Technology Gmbh DEVICE FOR DETECTING THE POSITION OF A PLAY UNIT

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1148064A (en) * 1965-08-12 1969-04-10 English Electric Co Ltd Inductive proximity transducers
EP0338966A2 (en) * 1988-01-22 1989-10-25 Data Instruments Inc. Position compensation winding for displacement transducer
JPH0365794A (en) * 1989-08-04 1991-03-20 Tokyo Electric Co Ltd Order data radio controller
DE9321476U1 (en) * 1992-10-05 1998-06-18 DeFelsko Corp., Ogdensburg, N.Y. Device for measuring the layer thickness and measuring probe for a combined layer thickness measuring device
EP1139070A1 (en) * 2000-03-27 2001-10-04 Sony Precision Technology Inc. Inductive position transducer
JP2002116054A (en) * 2000-10-11 2002-04-19 Shinko Denki Kk Displacement detector and displacement measurement device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1148064A (en) * 1965-08-12 1969-04-10 English Electric Co Ltd Inductive proximity transducers
EP0338966A2 (en) * 1988-01-22 1989-10-25 Data Instruments Inc. Position compensation winding for displacement transducer
JPH0365794A (en) * 1989-08-04 1991-03-20 Tokyo Electric Co Ltd Order data radio controller
DE9321476U1 (en) * 1992-10-05 1998-06-18 DeFelsko Corp., Ogdensburg, N.Y. Device for measuring the layer thickness and measuring probe for a combined layer thickness measuring device
EP1139070A1 (en) * 2000-03-27 2001-10-04 Sony Precision Technology Inc. Inductive position transducer
JP2002116054A (en) * 2000-10-11 2002-04-19 Shinko Denki Kk Displacement detector and displacement measurement device

Also Published As

Publication number Publication date
GB2454045A (en) 2009-04-29
GB0813089D0 (en) 2008-08-27
GB0714208D0 (en) 2007-08-29

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Legal Events

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

Effective date: 20140717