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ES433104A1 - Un aparato transformador de radiofrecuencia para detectar cambios de posicion entre un elemento fijo y otro movil. - Google Patents

Un aparato transformador de radiofrecuencia para detectar cambios de posicion entre un elemento fijo y otro movil.

Info

Publication number
ES433104A1
ES433104A1 ES433104A ES433104A ES433104A1 ES 433104 A1 ES433104 A1 ES 433104A1 ES 433104 A ES433104 A ES 433104A ES 433104 A ES433104 A ES 433104A ES 433104 A1 ES433104 A1 ES 433104A1
Authority
ES
Spain
Prior art keywords
coil
reduces
primary
detecting
high frequency
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
ES433104A
Other languages
English (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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of ES433104A1 publication Critical patent/ES433104A1/es
Expired 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
    • G01D5/20—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
    • 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
    • G01D5/22—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 differentially influencing two coils
    • G01D5/225—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 differentially influencing two coils by influencing the mutual induction between the two coils

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)
  • Train Traffic Observation, Control, And Security (AREA)
ES433104A 1973-12-20 1974-12-19 Un aparato transformador de radiofrecuencia para detectar cambios de posicion entre un elemento fijo y otro movil. Expired ES433104A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US426837A US3898635A (en) 1973-12-20 1973-12-20 Position measuring transformer

Publications (1)

Publication Number Publication Date
ES433104A1 true ES433104A1 (es) 1976-11-16

Family

ID=23692415

Family Applications (1)

Application Number Title Priority Date Filing Date
ES433104A Expired ES433104A1 (es) 1973-12-20 1974-12-19 Un aparato transformador de radiofrecuencia para detectar cambios de posicion entre un elemento fijo y otro movil.

Country Status (11)

Country Link
US (1) US3898635A (es)
JP (1) JPS5821685B2 (es)
CA (1) CA1023825A (es)
CH (1) CH578165A5 (es)
DE (1) DE2448950C3 (es)
ES (1) ES433104A1 (es)
FR (1) FR2255576B1 (es)
GB (1) GB1469677A (es)
IT (1) IT1026647B (es)
NL (1) NL183784C (es)
SE (1) SE403653B (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030085A (en) * 1976-07-20 1977-06-14 The United States Of America As Represented By The United States Energy Research And Development Administration Nonferromagnetic linear variable differential transformer
GB2029327B (en) * 1978-09-02 1982-08-25 Ibm Printing apparatus
GB2204410B (en) * 1987-05-05 1991-11-06 British Gas Plc Discontinuity locator
US5008619A (en) * 1988-11-18 1991-04-16 Amp-Akzo Corporation Multilevel circuit board precision positioning
JPH05187803A (ja) * 1992-01-14 1993-07-27 Kanbayashi Seisakusho:Kk センサ
DK0760087T4 (da) * 1994-05-14 2004-08-09 Synaptics Uk Ltd Positionskodeorgan
US20030062889A1 (en) * 1996-12-12 2003-04-03 Synaptics (Uk) Limited Position detector
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
CA2352363A1 (en) * 1998-11-27 2000-06-08 Synaptics (Uk) Limited Position sensor
US7019672B2 (en) * 1998-12-24 2006-03-28 Synaptics (Uk) Limited Position sensor
US7511705B2 (en) * 2001-05-21 2009-03-31 Synaptics (Uk) Limited Position sensor
GB2403017A (en) * 2002-03-05 2004-12-22 Synaptics Position sensor
US7907130B2 (en) * 2002-06-05 2011-03-15 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
JP2008029125A (ja) * 2006-07-21 2008-02-07 Sony Corp 電磁誘導型処理装置
EP2145158B1 (en) 2007-05-10 2018-03-07 Cambridge Integrated Circuits Limited 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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767365A (en) * 1955-05-06 1956-10-16 Westinghouse Electric Corp Motor control system
US3183496A (en) * 1961-06-15 1965-05-11 Westinghouse Electric Corp Position indicating arrangement
BE670166A (es) * 1964-10-01
US3356933A (en) * 1964-10-27 1967-12-05 Clifford O Stettler Displacement sensor comprising differential transformer with nonmagnetic core
US3683343A (en) * 1970-07-27 1972-08-08 Stephen Feldman Demand metering system for electric energy
GB1414517A (en) * 1971-11-26 1975-11-19 Bosch Gmbh Robert Rotary inductive transducers

Also Published As

Publication number Publication date
FR2255576B1 (es) 1977-05-20
IT1026647B (it) 1978-10-20
CH578165A5 (es) 1976-07-30
NL183784B (nl) 1988-08-16
US3898635A (en) 1975-08-05
SE403653B (sv) 1978-08-28
SE7415898L (es) 1975-06-23
GB1469677A (en) 1977-04-06
CA1023825A (en) 1978-01-03
JPS5821685B2 (ja) 1983-05-02
NL183784C (nl) 1989-01-16
DE2448950A1 (de) 1975-06-26
DE2448950C3 (de) 1980-01-24
NL7416100A (nl) 1975-06-24
JPS5096250A (es) 1975-07-31
DE2448950B2 (de) 1979-05-17
FR2255576A1 (es) 1975-07-18

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