FI97916B - Menetelmä ja laite magneettisen kappaleen siirtymän mittaamiseksi - Google Patents

Menetelmä ja laite magneettisen kappaleen siirtymän mittaamiseksi

Info

Publication number
FI97916B
FI97916B FI951030A FI951030A FI97916B FI 97916 B FI97916 B FI 97916B FI 951030 A FI951030 A FI 951030A FI 951030 A FI951030 A FI 951030A FI 97916 B FI97916 B FI 97916B
Authority
FI
Finland
Prior art keywords
displacement
measuring
magnetic body
magnetic
Prior art date
Application number
FI951030A
Other languages
English (en)
Swedish (sv)
Other versions
FI951030A0 (fi
FI951030A (fi
FI97916C (fi
Inventor
Pekka Ruuskanen
Ari Virtanen
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI951030A priority Critical patent/FI97916C/fi
Publication of FI951030A0 publication Critical patent/FI951030A0/fi
Priority to PCT/FI1996/000131 priority patent/WO1996027777A1/en
Priority to AU48330/96A priority patent/AU4833096A/en
Publication of FI951030A publication Critical patent/FI951030A/fi
Publication of FI97916B publication Critical patent/FI97916B/fi
Application granted granted Critical
Publication of FI97916C publication Critical patent/FI97916C/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • 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
    • G01D5/48—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 wave or particle radiation means
    • G01D5/485—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 wave or particle radiation means using magnetostrictive devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FI951030A 1995-03-06 1995-03-06 Menetelmä ja laite magneettisen kappaleen siirtymän mittaamiseksi FI97916C (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI951030A FI97916C (fi) 1995-03-06 1995-03-06 Menetelmä ja laite magneettisen kappaleen siirtymän mittaamiseksi
PCT/FI1996/000131 WO1996027777A1 (en) 1995-03-06 1996-03-04 Method and apparatus for measuring a displacement of a magnetic object
AU48330/96A AU4833096A (en) 1995-03-06 1996-03-04 Method and apparatus for measuring a displacement of a magnetic object

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI951030 1995-03-06
FI951030A FI97916C (fi) 1995-03-06 1995-03-06 Menetelmä ja laite magneettisen kappaleen siirtymän mittaamiseksi

Publications (4)

Publication Number Publication Date
FI951030A0 FI951030A0 (fi) 1995-03-06
FI951030A FI951030A (fi) 1996-09-07
FI97916B true FI97916B (fi) 1996-11-29
FI97916C FI97916C (fi) 1997-03-10

Family

ID=8542982

Family Applications (1)

Application Number Title Priority Date Filing Date
FI951030A FI97916C (fi) 1995-03-06 1995-03-06 Menetelmä ja laite magneettisen kappaleen siirtymän mittaamiseksi

Country Status (3)

Country Link
AU (1) AU4833096A (fi)
FI (1) FI97916C (fi)
WO (1) WO1996027777A1 (fi)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210976B (en) * 1987-10-10 1991-09-04 Gen Electric Co Plc Optical displacement sensors
DE3839194A1 (de) * 1988-11-19 1990-05-23 Heidenhain Gmbh Dr Johannes Inkrementale positionsmesseinrichtung zum messen der relativlage zweier objekte mittels ultraschallwellen
US5450752A (en) * 1989-08-29 1995-09-19 Regents Of The University Of California Ultrasonic position sensor for measuring movement of an object

Also Published As

Publication number Publication date
AU4833096A (en) 1996-09-23
FI951030A0 (fi) 1995-03-06
FI951030A (fi) 1996-09-07
FI97916C (fi) 1997-03-10
WO1996027777A1 (en) 1996-09-12

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Legal Events

Date Code Title Description
BB Publication of examined application
MA Patent expired