JPS6086412A - 磁気検出装置 - Google Patents

磁気検出装置

Info

Publication number
JPS6086412A
JPS6086412A JP58194164A JP19416483A JPS6086412A JP S6086412 A JPS6086412 A JP S6086412A JP 58194164 A JP58194164 A JP 58194164A JP 19416483 A JP19416483 A JP 19416483A JP S6086412 A JPS6086412 A JP S6086412A
Authority
JP
Japan
Prior art keywords
magnetic
signals
recording medium
tracks
recorded
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.)
Granted
Application number
JP58194164A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0350965B2 (en]
Inventor
Tadashi Takahashi
正 高橋
Kunio Miyashita
邦夫 宮下
Shoichi Kawamata
昭一 川又
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP58194164A priority Critical patent/JPS6086412A/ja
Priority to US06/662,013 priority patent/US4713613A/en
Publication of JPS6086412A publication Critical patent/JPS6086412A/ja
Publication of JPH0350965B2 publication Critical patent/JPH0350965B2/ja
Granted 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
    • G01D5/244—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
    • G01D5/24428—Error prevention
    • G01D5/24433—Error prevention by mechanical means
    • G01D5/24438—Special design of the sensing element or scale
    • 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
    • G01D5/24471—Error correction
    • G01D5/24476—Signal processing
    • 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
    • G01D5/2454—Encoders incorporating incremental and absolute signals
    • G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
    • G01D5/2457—Incremental encoders having reference marks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
JP58194164A 1983-10-19 1983-10-19 磁気検出装置 Granted JPS6086412A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58194164A JPS6086412A (ja) 1983-10-19 1983-10-19 磁気検出装置
US06/662,013 US4713613A (en) 1983-10-19 1984-10-18 Device for magnetically detecting displacement of non-magnetic movable member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58194164A JPS6086412A (ja) 1983-10-19 1983-10-19 磁気検出装置

Publications (2)

Publication Number Publication Date
JPS6086412A true JPS6086412A (ja) 1985-05-16
JPH0350965B2 JPH0350965B2 (en]) 1991-08-05

Family

ID=16319988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58194164A Granted JPS6086412A (ja) 1983-10-19 1983-10-19 磁気検出装置

Country Status (2)

Country Link
US (1) US4713613A (en])
JP (1) JPS6086412A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0592716U (ja) * 1992-05-18 1993-12-17 三菱重工業株式会社 超音波探傷器

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62168019A (ja) * 1986-01-20 1987-07-24 Hitachi Ltd 磁気式回転センサ
JPS6474411A (en) * 1987-09-16 1989-03-20 Yamaha Corp Position detector
DE4319322C2 (de) * 1993-06-11 1998-04-23 Heidenhain Gmbh Dr Johannes Positionsmeßeinrichtung
JP2004061149A (ja) * 2002-07-25 2004-02-26 Hitachi Ltd トルクセンサ及びこれを用いた電動パワーステアリング装置
US6747448B2 (en) 2002-08-14 2004-06-08 Honeywell International Inc. Rotary position sensor methods and systems
DE112009000497B4 (de) * 2008-03-17 2012-12-13 Mitsubishi Electric Corp. Ursprungspositions-Signaldetektor
US7932684B2 (en) * 2008-03-25 2011-04-26 Bose Corporation Absolute position sensing
JP5379748B2 (ja) * 2010-06-03 2013-12-25 Ｎｔｎ株式会社 磁気エンコーダ
US9316508B2 (en) 2012-04-20 2016-04-19 The Timken Company Magnetic encoder for producing an index signal
US9706592B2 (en) * 2013-11-01 2017-07-11 Huawei Device Co., Ltd. Data transmission method, terminal, and data transmission method system
CN110702587B (zh) * 2019-11-11 2021-12-14 浙江省水利河口研究院 一种基于温纳联合反演的土石坝渗漏诊断方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5516277A (en) * 1978-07-21 1980-02-04 Nippon Denso Co Ltd Rotary location detector for internal combustion engine
JPS5517420A (en) * 1978-07-24 1980-02-06 Nippon Denso Co Ltd Detector for revolving position for internal combustion engine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5725766B2 (en]) * 1973-12-12 1982-06-01
JPS6045804B2 (ja) * 1978-02-28 1985-10-12 日本電気株式会社 角度検出器
JPS54118259A (en) * 1978-03-06 1979-09-13 Nec Corp Angle detector
JPS6034048B2 (ja) * 1979-08-14 1985-08-06 株式会社豊田中央研究所 変位検出装置
JPS6047988B2 (ja) * 1979-12-19 1985-10-24 株式会社日立製作所 磁気ヘツド
GB2071333B (en) * 1980-02-22 1984-02-01 Sony Corp Magnetic sensor device
JPS5860215A (ja) * 1981-10-06 1983-04-09 Hitachi Ltd 位置検出付エンコ−ダ
JPS58148914A (ja) * 1982-03-02 1983-09-05 Fanuc Ltd パルスコ−ダ
DE3325353A1 (de) * 1983-07-14 1985-01-24 Honeywell Gmbh Positionssensor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5516277A (en) * 1978-07-21 1980-02-04 Nippon Denso Co Ltd Rotary location detector for internal combustion engine
JPS5517420A (en) * 1978-07-24 1980-02-06 Nippon Denso Co Ltd Detector for revolving position for internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0592716U (ja) * 1992-05-18 1993-12-17 三菱重工業株式会社 超音波探傷器

Also Published As

Publication number Publication date
US4713613A (en) 1987-12-15
JPH0350965B2 (en]) 1991-08-05

Similar Documents

Publication Publication Date Title
KR890001931B1 (ko) 위치검출장치부착 엔코오더
US5019776A (en) Magnetic position detection apparatus having two magnetic recording medium tracks with magnetoresistors arranged in a bridge circuit so as to eliminate even order harmonic distortion
US5982171A (en) Sensing device for detecting the angular displacement and relative position of a member of magnetic material
JPS6086412A (ja) 磁気検出装置
EP1406068B1 (en) Rotation angle detecting device using pairs of GMR sensors connected in a wheatstone bridge
JPH10239338A (ja) 検出装置
KR20050116783A (ko) 자기 검출 장치
JPS59147213A (ja) 磁気回転センサ
JPS61173113A (ja) 磁気回転センサ
JP3064293B2 (ja) 回転センサ
JPH0352565B2 (en])
JPH0330089B2 (en])
JPS6184504A (ja) 位置検出装置の磁気センサ
JPH01110215A (ja) 回転角度センサ
JPH0432969B2 (en])
JP2606400B2 (ja) 磁気センサ
JPH0326324B2 (en])
JPH04223218A (ja) 磁気センサ
JPH0221152B2 (en])
JPH0320779Y2 (en])
JPH049613A (ja) 磁気エンコーダ
JPH0418777B2 (en])
JPH0469348B2 (en])
JPH03282213A (ja) 磁気エンコーダ
JPH0711429B2 (ja) エンコ−ダ装置