ZA794794B - Displacement transducers - Google Patents

Displacement transducers

Info

Publication number
ZA794794B
ZA794794B ZA00794794A ZA794794A ZA794794B ZA 794794 B ZA794794 B ZA 794794B ZA 00794794 A ZA00794794 A ZA 00794794A ZA 794794 A ZA794794 A ZA 794794A ZA 794794 B ZA794794 B ZA 794794B
Authority
ZA
South Africa
Prior art keywords
displacement transducers
transducers
displacement
Prior art date
Application number
ZA00794794A
Other languages
English (en)
Inventor
A Seilly
Original Assignee
Lucas Industries 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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of ZA794794B publication Critical patent/ZA794794B/xx

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
    • G01D5/20Mechanical 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
    • G01D5/2006Mechanical 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
    • G01D5/202Mechanical 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 movable a non-ferromagnetic conductive element

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
ZA00794794A 1978-09-28 1979-09-10 Displacement transducers ZA794794B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7838586 1978-09-28

Publications (1)

Publication Number Publication Date
ZA794794B true ZA794794B (en) 1980-08-27

Family

ID=10499978

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00794794A ZA794794B (en) 1978-09-28 1979-09-10 Displacement transducers

Country Status (18)

Country Link
US (1) US4350954A (de)
JP (1) JPS5546200A (de)
AR (1) AR217200A1 (de)
AU (1) AU521152B2 (de)
BR (1) BR7906039A (de)
CA (1) CA1128170A (de)
DD (1) DD146339A5 (de)
DE (1) DE2939147A1 (de)
ES (1) ES484335A1 (de)
FR (1) FR2437608A1 (de)
HU (1) HU182520B (de)
IN (1) IN152335B (de)
IT (1) IT1123325B (de)
MX (1) MX147042A (de)
PL (1) PL120606B1 (de)
RO (1) RO77678A (de)
TR (1) TR20832A (de)
ZA (1) ZA794794B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2074736B (en) * 1980-04-26 1984-03-07 Lucas Industries Ltd Displacement measuring transducers and their use for sensing vehicle suspension displacements
DE3334548A1 (de) * 1983-09-23 1985-04-04 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Verfahren und vorrichtung zur spurfuehrung eines gleislosen fahrzeuges
GB8507319D0 (en) * 1985-03-21 1985-05-01 Vs Remek Ltd Measuring instruments
US4788489A (en) * 1985-07-12 1988-11-29 Nissan Motor Co., Ltd. Position sensor for use in variable height automotive suspension or the like
US4644570A (en) * 1985-09-20 1987-02-17 Bitronics, Inc. Sensor amplification and enhancement apparatus using digital techniques
IE59150B1 (en) * 1986-05-16 1994-01-12 Kollmorgen Ireland Limited Transducers for hostile environments
IT209873Z2 (it) * 1987-01-16 1988-11-04 Itt Ind Riunite Srl Dispositivo circuitale per il rilevamento dell'assetto di veicoli.
ATE153443T1 (de) * 1988-01-22 1997-06-15 Data Instr Inc Weggeber mit gegenüberliegenden spulen für verbesserte linearität und temperaturkompensation
US4926123A (en) * 1988-01-22 1990-05-15 Sunpower, Inc. Precision variable pitch compensation winding for displacement transducer
JP3027242B2 (ja) * 1990-10-04 2000-03-27 ヴェルナー トゥルク ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト 誘導近接スイッチ
US5680201A (en) * 1992-10-15 1997-10-21 Carrier Corporation Apparatus for including tank circuit with shielded, single turn coil, detecting passage of end of workpiece
US5497147A (en) * 1993-06-21 1996-03-05 Microstrain, Company Differential variable reluctance transducer
US5453685A (en) * 1993-07-30 1995-09-26 Philips Electronics North America Corporation Inductive position sensing device and apparatus with selectable winding configuration
US5655954A (en) * 1994-11-29 1997-08-12 Toshiba Kikai Kabushiki Kaisha Polishing apparatus
CN1483136A (zh) * 2000-11-30 2004-03-17 阿赛勒姆研究股份有限公司 用于高精度位置测量的改进线性变量差接变压器

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2178653A (en) * 1938-10-22 1939-11-07 Bell Telephone Labor Inc Building-out unit
US2322722A (en) * 1942-05-29 1943-06-22 Rca Corp Permeability tuning system
US2368857A (en) * 1943-06-24 1945-02-06 Johnson Lab Inc High-frequency inductance unit
US2471777A (en) * 1946-03-27 1949-05-31 Rca Corp Method of making ultra high frequency inductors
US2550736A (en) * 1949-07-15 1951-05-01 Rca Corp Metal detection apparatus
US2769969A (en) * 1955-03-30 1956-11-06 Norton Co Electromagnetic micrometer
US2942212A (en) * 1956-01-31 1960-06-21 British Thomson Houston Co Ltd Position sensing devices
US3356933A (en) * 1964-10-27 1967-12-05 Clifford O Stettler Displacement sensor comprising differential transformer with nonmagnetic core
US3521159A (en) * 1968-01-11 1970-07-21 Ird Mechanalysis Electrical sensing apparatus incorporating temperature compensation
US3639860A (en) * 1970-07-31 1972-02-01 Kabel Metallwerke Ghh Delay line
DE2046336A1 (de) * 1970-09-19 1972-04-27 Daimler Benz Ag Elektronischer Weggeber
US3891918A (en) * 1971-03-23 1975-06-24 James F Ellis Linear displacement transducer utilizing an oscillator whose average period varies as a linear function of the displacement
CH573104A5 (de) * 1973-11-20 1976-02-27 Bosch Gmbh Robert
US4085394A (en) * 1976-10-14 1978-04-18 Clare-Pendar Co. Contactless key switch
US4091671A (en) * 1977-01-05 1978-05-30 Mclees Donald J Electronic fluid level sensor
JPS5398840A (en) * 1977-02-09 1978-08-29 Ricoh Co Ltd Detection of deterioration state of developing agnet

Also Published As

Publication number Publication date
IT1123325B (it) 1986-04-30
IN152335B (de) 1983-12-24
FR2437608B1 (de) 1983-06-17
DD146339A5 (de) 1981-02-04
IT7925977A0 (it) 1979-09-25
ES484335A1 (es) 1980-04-16
HU182520B (en) 1984-01-30
AU521152B2 (en) 1982-03-18
AU5075579A (en) 1980-04-03
DE2939147A1 (de) 1980-04-10
US4350954A (en) 1982-09-21
CA1128170A (en) 1982-07-20
TR20832A (tr) 1982-09-16
FR2437608A1 (fr) 1980-04-25
RO77678A (ro) 1982-02-01
MX147042A (es) 1982-09-23
BR7906039A (pt) 1980-07-08
PL120606B1 (en) 1982-03-31
AR217200A1 (es) 1980-02-29
JPS5546200A (en) 1980-03-31
PL218568A1 (de) 1980-06-02

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