DE69312109T2 - Absolutkodierer - Google Patents

Absolutkodierer

Info

Publication number
DE69312109T2
DE69312109T2 DE69312109T DE69312109T DE69312109T2 DE 69312109 T2 DE69312109 T2 DE 69312109T2 DE 69312109 T DE69312109 T DE 69312109T DE 69312109 T DE69312109 T DE 69312109T DE 69312109 T2 DE69312109 T2 DE 69312109T2
Authority
DE
Germany
Prior art keywords
absolute encoder
encoder
absolute
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.)
Revoked
Application number
DE69312109T
Other languages
English (en)
Other versions
DE69312109D1 (de
Inventor
Misao Ichikawa
Kazuo Ohnishi
Tokio Sekiguchi
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.)
Nidec Advanced Motor Corp
Original Assignee
Japan Servo 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27296671&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69312109(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP5874792A external-priority patent/JPH05223595A/ja
Priority claimed from JP4058746A external-priority patent/JP3063044B2/ja
Priority claimed from JP4058817A external-priority patent/JP2961462B2/ja
Application filed by Japan Servo Corp filed Critical Japan Servo Corp
Publication of DE69312109D1 publication Critical patent/DE69312109D1/de
Application granted granted Critical
Publication of DE69312109T2 publication Critical patent/DE69312109T2/de
Anticipated expiration legal-status Critical
Revoked 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
    • G01D5/145—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 relative movement between the Hall device and magnetic fields
    • 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
    • G01D5/249—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 pulse code
    • G01D5/2497—Absolute encoders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE69312109T 1992-02-13 1993-01-19 Absolutkodierer Revoked DE69312109T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5874792A JPH05223595A (ja) 1992-02-13 1992-02-13 アブソリュートエンコーダ
JP4058746A JP3063044B2 (ja) 1992-02-13 1992-02-13 アブソリュートエンコーダ
JP4058817A JP2961462B2 (ja) 1992-02-13 1992-02-13 アブソリュートエンコーダ

Publications (2)

Publication Number Publication Date
DE69312109D1 DE69312109D1 (de) 1997-08-21
DE69312109T2 true DE69312109T2 (de) 1998-01-08

Family

ID=27296671

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69312109T Revoked DE69312109T2 (de) 1992-02-13 1993-01-19 Absolutkodierer

Country Status (3)

Country Link
US (1) US5430373A (de)
EP (1) EP0555961B1 (de)
DE (1) DE69312109T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19802064B4 (de) * 1998-01-21 2007-05-24 Windhorst Beteiligungsgesellschaft Mbh Sensormagnet, insbesondere zur Positionserfassung in Kombination mit einem Sensorelement, und Magnetisierspule für dessen Magnetisierung
DE102017102639A1 (de) 2017-02-10 2018-08-16 Valeo Schalter Und Sensoren Gmbh Rändelradschalter mit Magnetkodierung und Magnetsensoren

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5570016A (en) * 1994-06-01 1996-10-29 General Motors Corporation Method and apparatus for detecting crankshaft angular position
US5754042A (en) * 1994-06-20 1998-05-19 General Motors Corporation Magnetoresistive encoder for tracking the angular position of a rotating ferromagnetic target wheel
US5731702A (en) * 1996-08-21 1998-03-24 General Motors Corporation High accuracy angle based rotation sensor with time based back up
JP4174095B2 (ja) * 1998-03-31 2008-10-29 ソニーマニュファクチュアリングシステムズ株式会社 位置検出装置
US6307365B1 (en) * 1999-03-12 2001-10-23 The Torrington Company Method of determining position and/or direction of a magnetic target
US6356076B1 (en) 1999-07-15 2002-03-12 Optek Technology, Inc. System for outputting a plurality of signals as a collective representation of incremental movements of an object
US6459261B1 (en) 1999-07-15 2002-10-01 Wabash Technologies, Inc. Magnetic incremental motion detection system and method
US6717399B2 (en) 1999-07-15 2004-04-06 Wabash Technologies, Inc. Magnetic sensing device with offset compensation
KR20070029700A (ko) * 2004-06-16 2007-03-14 가부시키가이샤 야스카와덴키 자기식 엔코더 장치
JP2006145220A (ja) * 2004-11-16 2006-06-08 Shicoh Eng Co Ltd 磁気式位置検出装置
EP1744126A1 (de) * 2005-07-14 2007-01-17 Carl Freudenberg KG Winkelmesseinrichtung
CN101978242B (zh) * 2008-03-17 2012-07-04 三菱电机株式会社 原点位置信号检测器
US8847585B2 (en) * 2009-11-18 2014-09-30 Harmonic Drive Systems Inc. Magnetic absolute encoder and motor
JP5077717B2 (ja) 2010-04-12 2012-11-21 村田機械株式会社 磁極検出システム
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
US10119842B1 (en) * 2014-08-05 2018-11-06 X Development Llc Encoder design and use
WO2017025639A1 (en) * 2015-08-13 2017-02-16 Iee International Electronics & Engineering S.A. Method of operating a capacitive sensor system for vehicle trunk opener and robust capacitive sensor system
JP6634276B2 (ja) * 2015-12-04 2020-01-22 日本電産サンキョー株式会社 位置検出装置
CN105387879A (zh) * 2015-12-31 2016-03-09 哈尔滨工业大学 大中心孔轴向充磁结构的绝对位置磁编码器
EP3410075B1 (de) * 2017-05-30 2020-10-07 MEAS France Temperaturkompensation für magnetfeldmessvorrichtungen und magnetfeldmessvorrichtung damit
US10802074B2 (en) * 2018-01-02 2020-10-13 Jitterlabs Llc Method and apparatus for analyzing phase noise in a signal from an electronic device
US10641597B2 (en) * 2018-02-22 2020-05-05 Bell Helicopter Textron Inc. Method and apparatus for a precision position sensor
WO2019224400A1 (de) * 2018-05-25 2019-11-28 Sensitec Gmbh Absolutwertgeber
US11016150B2 (en) * 2019-06-03 2021-05-25 Honeywell International Inc. Method, apparatus and system for detecting stray magnetic field
US11346688B2 (en) * 2020-07-06 2022-05-31 Allegro Microsystems, Llc Magnetic field sensors for detecting absolute position of multi-track targets

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54118259A (en) * 1978-03-06 1979-09-13 Nec Corp Angle detector
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
JPS59108193A (ja) * 1982-12-13 1984-06-22 株式会社日立製作所 磁気的に位置を検出する装置
DE3325353A1 (de) * 1983-07-14 1985-01-24 Honeywell Gmbh Positionssensor
US4785241A (en) * 1985-08-08 1988-11-15 Canon Denshi Kabushiki Kaisha Encoder unit using magnetoresistance effect element
JPH0660824B2 (ja) * 1985-08-14 1994-08-10 株式会社日立製作所 絶対位置検出装置
JPH0638047B2 (ja) * 1985-10-09 1994-05-18 株式会社日立製作所 磁気的に位置を検出する装置
JPS62168019A (ja) * 1986-01-20 1987-07-24 Hitachi Ltd 磁気式回転センサ
US4906992A (en) * 1988-02-22 1990-03-06 Dynamics Research Corporation Single track absolute encoder
JPH024513A (ja) * 1988-06-22 1990-01-09 Seiko Epson Corp インクジェットヘッド
JPH02271216A (ja) * 1989-04-13 1990-11-06 Hitachi Metals Ltd 磁気式エンコーダ
JP2924236B2 (ja) * 1991-03-20 1999-07-26 ソニー・プレシジョン・テクノロジー株式会社 磁気センサおよび位置検出装置
JP2581421Y2 (ja) * 1991-06-17 1998-09-21 株式会社村田製作所 磁気センサ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19802064B4 (de) * 1998-01-21 2007-05-24 Windhorst Beteiligungsgesellschaft Mbh Sensormagnet, insbesondere zur Positionserfassung in Kombination mit einem Sensorelement, und Magnetisierspule für dessen Magnetisierung
DE102017102639A1 (de) 2017-02-10 2018-08-16 Valeo Schalter Und Sensoren Gmbh Rändelradschalter mit Magnetkodierung und Magnetsensoren

Also Published As

Publication number Publication date
DE69312109D1 (de) 1997-08-21
US5430373A (en) 1995-07-04
EP0555961A1 (de) 1993-08-18
EP0555961B1 (de) 1997-07-16

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation