JP4274751B2 - エンコーダ - Google Patents

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Publication number
JP4274751B2
JP4274751B2 JP2002193448A JP2002193448A JP4274751B2 JP 4274751 B2 JP4274751 B2 JP 4274751B2 JP 2002193448 A JP2002193448 A JP 2002193448A JP 2002193448 A JP2002193448 A JP 2002193448A JP 4274751 B2 JP4274751 B2 JP 4274751B2
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JP
Japan
Prior art keywords
signal
origin
phase
origin detection
signals
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Expired - Fee Related
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JP2002193448A
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English (en)
Japanese (ja)
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JP2003083771A5 (enExample
JP2003083771A (ja
Inventor
潤 羽根
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Olympus Corp
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Olympus Corp
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Publication date
Application filed by Olympus Corp filed Critical Olympus Corp
Priority to JP2002193448A priority Critical patent/JP4274751B2/ja
Publication of JP2003083771A publication Critical patent/JP2003083771A/ja
Priority to US10/610,663 priority patent/US7312437B2/en
Publication of JP2003083771A5 publication Critical patent/JP2003083771A5/ja
Priority to US11/871,353 priority patent/US7825369B2/en
Application granted granted Critical
Publication of JP4274751B2 publication Critical patent/JP4274751B2/ja
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    • 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
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
    • 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
    • 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
    • G01D5/36—Forming the light into pulses
    • G01D5/366—Particular pulse shapes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
JP2002193448A 2001-07-03 2002-07-02 エンコーダ Expired - Fee Related JP4274751B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2002193448A JP4274751B2 (ja) 2001-07-03 2002-07-02 エンコーダ
US10/610,663 US7312437B2 (en) 2002-07-02 2003-07-01 Displacement sensor, method for detecting the optimal reference position, and method for judging stability of detecting the reference position of displacement sensor
US11/871,353 US7825369B2 (en) 2001-07-03 2007-10-12 Displacement sensor, method for detecting the optimal reference position, and method for judging stability of detecting reference position of displacement sensor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001202582 2001-07-03
JP2001-202582 2001-07-03
JP2002193448A JP4274751B2 (ja) 2001-07-03 2002-07-02 エンコーダ

Publications (3)

Publication Number Publication Date
JP2003083771A JP2003083771A (ja) 2003-03-19
JP2003083771A5 JP2003083771A5 (enExample) 2005-10-20
JP4274751B2 true JP4274751B2 (ja) 2009-06-10

Family

ID=26618068

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002193448A Expired - Fee Related JP4274751B2 (ja) 2001-07-03 2002-07-02 エンコーダ

Country Status (2)

Country Link
US (1) US7825369B2 (enExample)
JP (1) JP4274751B2 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2840361A1 (en) 2013-08-19 2015-02-25 Canon Kabushiki Kaisha Encoder
KR20190047081A (ko) 2016-10-25 2019-05-07 미쓰비시덴키 가부시키가이샤 증분형 인코더의 펄스화 변환 장치 및 펄스화 변환 방법
DE102015006745B4 (de) 2014-05-27 2023-07-06 Mitutoyo Corporation Skala und optischer Codierer

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5865329B2 (ja) * 2003-10-01 2016-02-17 オリンパス株式会社 エンコーダ
JP3963885B2 (ja) * 2003-10-27 2007-08-22 オリンパス株式会社 反射型光学式エンコーダーのセンサヘッド
JP4953589B2 (ja) * 2005-05-25 2012-06-13 株式会社ミツトヨ エンコーダの原点信号生成方法及び装置
GB0522651D0 (en) * 2005-11-07 2005-12-14 Renishaw Plc Scale and readhead system
WO2010023442A2 (en) * 2008-08-26 2010-03-04 The University Court Of The University Of Glasgow Uses of electromagnetic interference patterns
TWI408319B (zh) * 2009-11-25 2013-09-11 Inst Information Industry 室內氣候感測器的佈建方法及儲存其之電腦可讀取記錄媒體
US8680452B2 (en) * 2010-01-13 2014-03-25 Qsc Audio Products, Llc Optically controlled motorized control device
JP5948759B2 (ja) * 2011-08-15 2016-07-06 株式会社ニコン エンコーダ装置、及び装置
JP2014215249A (ja) * 2013-04-26 2014-11-17 株式会社小糸製作所 モータ制御システム、および制御装置
JP5717787B2 (ja) * 2013-05-09 2015-05-13 Thk株式会社 リニアエンコーダ装置、及び基準位置検出方法
JP6077389B2 (ja) * 2013-05-28 2017-02-08 株式会社東芝 信号処理装置
JP2015072265A (ja) * 2013-09-03 2015-04-16 キヤノン株式会社 エンコーダ及びエンコーダの原点算出方法
WO2017203210A1 (en) * 2016-05-25 2017-11-30 Renishaw Plc Adaptive reference mark detection process
JP7182993B2 (ja) 2018-10-23 2022-12-05 株式会社東芝 エンコーダシステム
JP2021047033A (ja) 2019-09-17 2021-03-25 ファナック株式会社 エンコーダおよびエンコーダの制御方法
US11774270B2 (en) * 2021-08-20 2023-10-03 Mitutoyo Corporation Encoder

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS606824A (ja) * 1983-06-24 1985-01-14 Sony Magnescale Inc 原点回路
JPH0736252Y2 (ja) * 1992-02-28 1995-08-16 双葉電子工業株式会社 測長装置
JP3142376B2 (ja) 1992-07-01 2001-03-07 浜松ホトニクス株式会社 心理状態測定装置
JP3330426B2 (ja) 1993-06-14 2002-09-30 ファナック株式会社 エンコーダの１回転信号検出方法及びエンコーダ
JPH07203661A (ja) 1993-12-30 1995-08-04 Kyowa Kiden Kogyo Kk Ａｃサーボモータのロータ位置検出装置
JPH08261795A (ja) 1995-03-17 1996-10-11 Yaskawa Electric Corp エンコーダの基準位置検出方法
US6229140B1 (en) * 1995-10-27 2001-05-08 Canon Kabushiki Kaisha Displacement information detection apparatus
JPH09145408A (ja) * 1995-11-22 1997-06-06 Konica Corp エンコーダ装置
JP3486518B2 (ja) * 1997-02-15 2004-01-13 キヤノン株式会社 回転変位情報検出装置
JP3513383B2 (ja) * 1998-02-25 2004-03-31 三菱電機株式会社 位置検出装置
DE19963809C2 (de) * 1999-12-30 2002-01-17 Osram Opto Semiconductors Gmbh Optischer Encoder mit dreifacher Photodiode
JP2001356028A (ja) * 2000-06-14 2001-12-26 Olympus Optical Co Ltd 光学式エンコーダ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2840361A1 (en) 2013-08-19 2015-02-25 Canon Kabushiki Kaisha Encoder
US9484060B2 (en) 2013-08-19 2016-11-01 Canon Kabushiki Kaisha Encoder
DE102015006745B4 (de) 2014-05-27 2023-07-06 Mitutoyo Corporation Skala und optischer Codierer
KR20190047081A (ko) 2016-10-25 2019-05-07 미쓰비시덴키 가부시키가이샤 증분형 인코더의 펄스화 변환 장치 및 펄스화 변환 방법

Also Published As

Publication number Publication date
US20080035837A1 (en) 2008-02-14
US7825369B2 (en) 2010-11-02
JP2003083771A (ja) 2003-03-19

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