DE69729907D1 - Detektionsapparat für Rotationsverschiebungsinformation - Google Patents

Detektionsapparat für Rotationsverschiebungsinformation

Info

Publication number
DE69729907D1
DE69729907D1 DE69729907T DE69729907T DE69729907D1 DE 69729907 D1 DE69729907 D1 DE 69729907D1 DE 69729907 T DE69729907 T DE 69729907T DE 69729907 T DE69729907 T DE 69729907T DE 69729907 D1 DE69729907 D1 DE 69729907D1
Authority
DE
Germany
Prior art keywords
detector
rotational displacement
displacement information
rotational
information
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 - Lifetime
Application number
DE69729907T
Other languages
English (en)
Other versions
DE69729907T2 (de
Inventor
Shigeki Kato
Kou Ishizuka
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP11830396A external-priority patent/JP3472034B2/ja
Priority claimed from JP04739797A external-priority patent/JP3486518B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69729907D1 publication Critical patent/DE69729907D1/de
Application granted granted Critical
Publication of DE69729907T2 publication Critical patent/DE69729907T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/3473—Circular or rotary encoders
    • G01D5/34738—Axles; Driving or coupling means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE69729907T 1996-04-16 1997-04-15 Detektionsapparat für Rotationsverschiebungsinformation Expired - Lifetime DE69729907T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP11830396 1996-04-16
JP11830396A JP3472034B2 (ja) 1996-04-16 1996-04-16 回転変位情報検出装置
JP04739797A JP3486518B2 (ja) 1997-02-15 1997-02-15 回転変位情報検出装置
JP4739797 1997-02-15

Publications (2)

Publication Number Publication Date
DE69729907D1 true DE69729907D1 (de) 2004-08-26
DE69729907T2 DE69729907T2 (de) 2005-07-28

Family

ID=26387552

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69729907T Expired - Lifetime DE69729907T2 (de) 1996-04-16 1997-04-15 Detektionsapparat für Rotationsverschiebungsinformation

Country Status (3)

Country Link
US (1) US5883384A (de)
EP (1) EP0802399B1 (de)
DE (1) DE69729907T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6229140B1 (en) * 1995-10-27 2001-05-08 Canon Kabushiki Kaisha Displacement information detection apparatus
US6081339A (en) * 1997-05-29 2000-06-27 Aim Controls, Inc. Method and apparatus for measuring the direction and position of rotating bodies
DE60033075T3 (de) * 1999-04-16 2012-08-30 Canon K.K. Kodierer
DE19923900B4 (de) * 1999-05-25 2009-11-26 Pwb-Ruhlatec Industrieprodukte Gmbh Encoder mit zusammensteckbarem Gehäuse
US6594225B1 (en) * 2000-03-01 2003-07-15 Funai Electric Co., Ltd. Disk rotation monitoring mechanism with parallel sensor unit
JP4779246B2 (ja) * 2001-06-28 2011-09-28 トヨタ自動車株式会社 タイヤ作用力検出装置
DE10332167A1 (de) * 2003-07-15 2005-02-10 Pwb-Ruhlatec Industrieprodukte Gmbh Encodersystem und Verfahren zur Montage eines Encodersystems
DE10356224A1 (de) * 2003-12-02 2005-06-30 Pwb-Ruhlatec Industrieprodukte Gmbh Taktscheibenbefestigung
DE102004036903B4 (de) * 2004-07-29 2019-07-04 Pwb Encoders Gmbh Encoderbaugruppe und Verfahren zur Montage einer Encoderbaugruppe
DE202005006379U1 (de) * 2005-04-21 2006-08-24 Hengstler Gmbh Hohlwellen-Drehgeber mit Motorwellen-Schutzkappe
JP2013534318A (ja) * 2010-08-19 2013-09-02 エレスタ・リレイズ・ゲーエムベーハー センサヘッドホルダ
SE539190C2 (sv) * 2012-05-04 2017-05-09 Leine & Linde Ab Ett sensorhuvud för en pulsgivare
FR3005502B1 (fr) * 2013-05-07 2016-10-14 Precilec Dispositif de detection du deplacement en rotation d'un objet
CN103438917B (zh) * 2013-09-16 2015-11-25 无锡华尔圣科技有限公司 一种高脉冲增量式光电旋转编码器的装配方法
CN103438918B (zh) * 2013-09-16 2015-12-30 无锡华尔圣科技有限公司 一种编码器及其装配方法
US20220099463A1 (en) * 2020-09-30 2022-03-31 Rockwell Automation Technologies, Inc. System and Method for Contact-less Multi-Turn Absolute Position Sensing

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831024A (en) * 1971-07-08 1974-08-20 Westinghouse Air Brake Co Position sensing apparatus
US4343992A (en) * 1980-09-08 1982-08-10 Blaser Anton J V-Shaped centering fixture for optical encoders
FR2544895B1 (fr) * 1983-04-20 1986-03-21 Mcb Dispositif de lecture, par diascopie, de code optique et son procede de fabrication
US4628200A (en) * 1984-08-20 1986-12-09 Westinghouse Electric Corp. Pulse wheel system with shaft mounting
JPS61108913A (ja) * 1984-10-31 1986-05-27 Shinko Electric Co Ltd 直結型エンコ−ダ
SE455536B (sv) * 1986-12-02 1988-07-18 Leine & Linde Ab Forfarande och anordning for overforing av justerat lege fran justerfixtur till yttre drivenhet for en vinkelmetanordning
JPH067062B2 (ja) * 1987-03-24 1994-01-26 キヤノン株式会社 位置検出装置
US5051579A (en) * 1987-04-03 1991-09-24 Canon Kabushiki Kaisha Optical scale encoder with light intensity alarm
JPH073344B2 (ja) * 1987-06-15 1995-01-18 キヤノン株式会社 エンコ−ダ−
JP2625917B2 (ja) * 1988-07-01 1997-07-02 キヤノン株式会社 リニアエンコーダ
JP2603305B2 (ja) * 1988-07-19 1997-04-23 キヤノン株式会社 変位測定装置
JPH0778433B2 (ja) * 1988-07-19 1995-08-23 キヤノン株式会社 ロータリーエンコーダ
JP2586121B2 (ja) * 1988-09-30 1997-02-26 キヤノン株式会社 ロータリーエンコーダの原点検出系
US5198873A (en) * 1988-10-19 1993-03-30 Canon Kabushiki Kaisha Encoder utilizing interference using multi-mode semiconductor laser
EP0397202B1 (de) * 1989-05-12 1994-08-03 Canon Kabushiki Kaisha Kodierer
JP2780409B2 (ja) * 1990-01-20 1998-07-30 キヤノン株式会社 角度検出装置
US5057684A (en) * 1990-08-30 1991-10-15 Robbins & Myers/Electro-Craft, A Wholly Owned Sub. Of Robbins & Myers, Inc. Unitary aligning and gapping apparatus for modular optical shaft encoder
JPH04278417A (ja) * 1991-03-06 1992-10-05 Alps Electric Co Ltd 磁気式ロータリエンコーダの組立方法
JP3066923B2 (ja) * 1991-07-29 2000-07-17 キヤノン株式会社 エンコーダ及びこれを有するシステム
EP0533973B1 (de) * 1991-09-25 1994-11-02 Dr. Johannes Heidenhain GmbH Winkelmessvorrichtung
JP3218657B2 (ja) * 1991-12-04 2001-10-15 キヤノン株式会社 ロータリーエンコーダ
JP3065432B2 (ja) * 1992-06-16 2000-07-17 サムタク株式会社 キット型エンコーダの芯出し方法
JP3005131B2 (ja) * 1992-12-28 2000-01-31 キヤノン株式会社 変位検出装置
DE69420464T2 (de) * 1993-06-10 2000-04-13 Canon K.K., Tokio/Tokyo Rotationserfassungsvorrichtung und zugehörige Skala
JP3082533B2 (ja) * 1993-08-23 2000-08-28 キヤノン株式会社 レーザードップラー速度計
DE19511474A1 (de) * 1994-03-31 1995-10-05 Siemens Comp Inc Optischer Kodierer

Also Published As

Publication number Publication date
EP0802399B1 (de) 2004-07-21
EP0802399A3 (de) 1999-07-07
DE69729907T2 (de) 2005-07-28
US5883384A (en) 1999-03-16
EP0802399A2 (de) 1997-10-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition