DE69225491T2 - Methode zum aufspüren von teilen, bei denen die elektromagnetischen eigenschaften verändert sind und gerät dazu - Google Patents

Methode zum aufspüren von teilen, bei denen die elektromagnetischen eigenschaften verändert sind und gerät dazu

Info

Publication number
DE69225491T2
DE69225491T2 DE69225491T DE69225491T DE69225491T2 DE 69225491 T2 DE69225491 T2 DE 69225491T2 DE 69225491 T DE69225491 T DE 69225491T DE 69225491 T DE69225491 T DE 69225491T DE 69225491 T2 DE69225491 T2 DE 69225491T2
Authority
DE
Germany
Prior art keywords
changed
electromagnetic properties
detecting parts
detecting
parts
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
DE69225491T
Other languages
English (en)
Other versions
DE69225491D1 (de
Inventor
Taku Murakami
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Application granted granted Critical
Publication of DE69225491D1 publication Critical patent/DE69225491D1/de
Publication of DE69225491T2 publication Critical patent/DE69225491T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01D5/142—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 using Hall-effect devices
    • 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
    • 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
    • G01D5/142—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 using Hall-effect devices
    • G01D5/147—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 using Hall-effect devices influenced by the movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other
    • 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
    • G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—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 characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • G01D5/2451—Incremental encoders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/488—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable reluctance detectors

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)
  • Measuring Magnetic Variables (AREA)
DE69225491T 1991-03-29 1992-03-24 Methode zum aufspüren von teilen, bei denen die elektromagnetischen eigenschaften verändert sind und gerät dazu Expired - Fee Related DE69225491T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3091353A JP2978582B2 (ja) 1991-03-29 1991-03-29 電磁気特性変化部の検出方法および装置
PCT/JP1992/000352 WO1992017749A1 (en) 1991-03-29 1992-03-24 Method for sensing part where electromagnetic characteristics are changed, and device thereof

Publications (2)

Publication Number Publication Date
DE69225491D1 DE69225491D1 (de) 1998-06-18
DE69225491T2 true DE69225491T2 (de) 1999-01-14

Family

ID=14024035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225491T Expired - Fee Related DE69225491T2 (de) 1991-03-29 1992-03-24 Methode zum aufspüren von teilen, bei denen die elektromagnetischen eigenschaften verändert sind und gerät dazu

Country Status (6)

Country Link
US (1) US5436560A (de)
EP (1) EP0608417B1 (de)
JP (1) JP2978582B2 (de)
AU (1) AU1445892A (de)
DE (1) DE69225491T2 (de)
WO (1) WO1992017749A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407196B (de) * 1993-11-17 2001-01-25 Amo Automatisierung Messtechni Positionsmelder für automatisierung
JPH11304414A (ja) * 1998-04-21 1999-11-05 Mitsubishi Electric Corp 磁気検出装置
SE529125C2 (sv) * 2005-03-02 2007-05-08 Tetra Laval Holdings & Finance Sätt och anordning för att bestämma läget hos ett förpackningsmaterial med magnetiska markeringar
US7598736B2 (en) * 2007-08-27 2009-10-06 Infineon Technologies Ag Integrated circuit including magneto-resistive structures
US9417098B2 (en) * 2011-07-18 2016-08-16 Honeywell International Inc. Stationary magnet variable reluctance magnetic sensors
KR102632407B1 (ko) * 2018-04-11 2024-01-31 한국전기연구원 센서모듈 및 그를 가지는 전동기

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561567A (en) * 1979-06-15 1981-01-09 Matsushita Electric Ind Co Ltd Manufacture of semiconductor device
JPS59146720U (ja) * 1983-03-23 1984-10-01 フアナツク株式会社 磁気パルスエンコ−ダ
JPS6031015A (ja) * 1983-07-30 1985-02-16 Sanyo Electric Co Ltd 磁気抵抗体を使用してなす位置センサ
JPS62204118A (ja) * 1986-03-05 1987-09-08 Hitachi Ltd 磁気的に位置あるいは速度を検出する装置

Also Published As

Publication number Publication date
EP0608417A4 (de) 1994-02-22
US5436560A (en) 1995-07-25
EP0608417B1 (de) 1998-05-13
JPH04301702A (ja) 1992-10-26
JP2978582B2 (ja) 1999-11-15
EP0608417A1 (de) 1994-08-03
DE69225491D1 (de) 1998-06-18
AU1445892A (en) 1992-11-02
WO1992017749A1 (en) 1992-10-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee