JP2005134391A - 反射型画像符号化装置 - Google Patents

反射型画像符号化装置 Download PDF

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Publication number
JP2005134391A
JP2005134391A JP2004310542A JP2004310542A JP2005134391A JP 2005134391 A JP2005134391 A JP 2005134391A JP 2004310542 A JP2004310542 A JP 2004310542A JP 2004310542 A JP2004310542 A JP 2004310542A JP 2005134391 A JP2005134391 A JP 2005134391A
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Japan
Prior art keywords
detector
emitter
encoder
light
imaging lens
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Pending
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JP2004310542A
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English (en)
Japanese (ja)
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JP2005134391A5 (enExample
Inventor
Yee Loong Chin
ローン チン イー
Kok Hing Fo
ヒン フォ コク
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Agilent Technologies Inc
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Agilent Technologies Inc
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Application filed by Agilent Technologies Inc filed Critical Agilent Technologies Inc
Publication of JP2005134391A publication Critical patent/JP2005134391A/ja
Publication of JP2005134391A5 publication Critical patent/JP2005134391A5/ja
Pending legal-status Critical Current

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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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP2004310542A 2003-10-28 2004-10-26 反射型画像符号化装置 Pending JP2005134391A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/696,247 US7102123B2 (en) 2003-10-28 2003-10-28 Reflective imaging encoder

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010137182A Division JP4977237B2 (ja) 2003-10-28 2010-06-16 反射型画像符号化装置

Publications (2)

Publication Number Publication Date
JP2005134391A true JP2005134391A (ja) 2005-05-26
JP2005134391A5 JP2005134391A5 (enExample) 2007-10-18

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ID=34522878

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JP2004310542A Pending JP2005134391A (ja) 2003-10-28 2004-10-26 反射型画像符号化装置
JP2010137182A Expired - Fee Related JP4977237B2 (ja) 2003-10-28 2010-06-16 反射型画像符号化装置

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JP2010137182A Expired - Fee Related JP4977237B2 (ja) 2003-10-28 2010-06-16 反射型画像符号化装置

Country Status (4)

Country Link
US (1) US7102123B2 (enExample)
JP (2) JP2005134391A (enExample)
CN (1) CN1661454A (enExample)
DE (1) DE102004046350A1 (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007121296A (ja) * 2005-10-26 2007-05-17 Avago Technologies Ecbu Ip (Singapore) Pte Ltd 種々のエミッター−検出器構成を有する反射型エンコーダ
JP2011142180A (ja) * 2010-01-06 2011-07-21 Sharp Corp 光結合検出装置および電子機器
WO2014054420A1 (ja) * 2012-10-05 2014-04-10 株式会社村田製作所 光センサ
JP2019211312A (ja) * 2018-06-04 2019-12-12 コーデンシ株式会社 反射型光センサ及びそれを用いた反射型エンコーダ
US20220373364A1 (en) * 2019-11-15 2022-11-24 Renishaw Plc Encoder apparatus
US12072216B2 (en) 2019-11-15 2024-08-27 Renishaw Plc Encoder apparatus and readhead

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JP2006038572A (ja) * 2004-07-26 2006-02-09 Sharp Corp 反射型エンコーダおよびこの反射型エンコーダを用いた電子機器
TWI278604B (en) * 2004-12-27 2007-04-11 Lite On Technology Corp Optical encoder
US7348545B2 (en) * 2005-06-17 2008-03-25 Avago Technologies Ecbu Ip Pte Ltd System and method for optical encoding on two opposed surfaces of a pattern medium
US7784694B2 (en) * 2005-11-21 2010-08-31 Avago Technologies General Ip (Singapore) Pte. Ltd. Reflective encoder with lens on code strip
JP4953653B2 (ja) * 2006-02-15 2012-06-13 株式会社ミツトヨ 光電式エンコーダ
US20080156973A1 (en) * 2006-12-29 2008-07-03 Weng Fei Wong Photosensor array for optical encoder
US8212202B2 (en) 2009-01-08 2012-07-03 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Reflective optical encoder package and method
US20100252722A1 (en) * 2009-01-27 2010-10-07 Robert Procsal Optical encoder assembly including collimating reflective surface features
US8116429B2 (en) 2009-01-29 2012-02-14 The Invention Science Fund I, Llc Diagnostic delivery service
US8130904B2 (en) 2009-01-29 2012-03-06 The Invention Science Fund I, Llc Diagnostic delivery service
US8232541B2 (en) * 2009-04-14 2012-07-31 Intersil Americas Inc. Optical sensors that reduce specular reflections
US8324602B2 (en) * 2009-04-14 2012-12-04 Intersil Americas Inc. Optical sensors that reduce specular reflections
DE102010002902A1 (de) * 2010-03-16 2011-09-22 Dr. Johannes Heidenhain Gmbh Abtasteinheit für eine optische Positionsmesseinrichtung
WO2012103870A1 (de) * 2011-01-31 2012-08-09 Witeg Labortechnik Gmbh Flaschendispenser mit digitaler volumenanzeige
JP2012242313A (ja) * 2011-05-23 2012-12-10 Iai:Kk エンコーダとアクチュエータ
EP2592392B1 (de) 2012-03-09 2013-09-04 Hexagon Technology Center GmbH Optoelektronische Lagemessvorrichtung
US20140002642A1 (en) 2012-06-15 2014-01-02 Elmar SWIEGOT Absolute position detection
WO2015053708A1 (en) * 2013-10-08 2015-04-16 Heptagon Micro Optics Pte. Ltd. Optical encoder modules
US9091568B2 (en) 2013-10-21 2015-07-28 Heptagon Micro Optics Pte. Ltd. Optical encoder system including a structured code wheel
KR20160104950A (ko) 2015-02-27 2016-09-06 삼성전자주식회사 입력 장치, 이를 구비한 전자 장치 및 그 제어 방법
KR20160104935A (ko) 2015-02-27 2016-09-06 삼성전자주식회사 회전체의 회전 인식부 제어 방법 및 그 전자 장치
JP6838278B2 (ja) * 2016-03-28 2021-03-03 セイコーエプソン株式会社 ロボット
US10591826B2 (en) * 2016-04-11 2020-03-17 Nikon Corporation Encoder head with a birefringent lens element and exposure system utilizing the same
KR101701419B1 (ko) * 2016-08-17 2017-02-02 주식회사 오토닉스 반사형 이미지 검출 센서
TWI648520B (zh) 2016-10-21 2019-01-21 財團法人工業技術研究院 光學編碼裝置
JP2019082373A (ja) * 2017-10-30 2019-05-30 セイコーエプソン株式会社 光学スケール、エンコーダー、ロボット、電子部品搬送装置、プリンターおよびプロジェクター
TWI680648B (zh) 2018-12-26 2019-12-21 財團法人工業技術研究院 編碼盤、檢光器、光學絕對式旋轉編碼器及編碼值輸出、偵錯與除錯的方法
TWI716246B (zh) 2019-12-31 2021-01-11 財團法人工業技術研究院 光學編碼器
WO2022133489A1 (en) * 2020-12-18 2022-06-23 Shrenik Deliwala Low height proximity-based optical code reader
CN115616679B (zh) * 2022-09-26 2024-04-12 广州晨日电子技术有限公司 漫反射式探测光幕以及物体检测方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5859595A (ja) * 1981-10-02 1983-04-08 株式会社和廣武 人工光源装置
JPS6410620U (enExample) * 1987-07-10 1989-01-20
JPH01144809U (enExample) * 1988-03-30 1989-10-04
JPH06221874A (ja) * 1992-11-12 1994-08-12 Hewlett Packard Co <Hp> 光学式エンコーダ
JPH07151566A (ja) * 1993-07-17 1995-06-16 Dr Johannes Heidenhain Gmbh 測長または測角装置
JPH07270186A (ja) * 1994-03-31 1995-10-20 Keyence Corp 光学的変位量測定方法及び光学的変位量測定装置
JPH09138143A (ja) * 1995-11-14 1997-05-27 Copal Co Ltd 光学式エンコーダ

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US4587513A (en) * 1984-06-25 1986-05-06 Energy Innovations, Inc. Noncontact shaft angle detector
US5001937A (en) * 1989-11-06 1991-03-26 Tacan Corporation Optically based torsion sensor
JPH07202256A (ja) * 1993-12-28 1995-08-04 Olympus Optical Co Ltd 光集積型センサ
US5540108A (en) * 1994-02-25 1996-07-30 Advanced Mechanical Technology, Inc. Multi-axis wheel transducer with angular position detector
US6803560B1 (en) * 1999-06-10 2004-10-12 Canon Kabushiki Kaisha Optical encoder
GB9926574D0 (en) * 1999-11-11 2000-01-12 Renishaw Plc Absolute position measurement
US6621063B2 (en) * 2001-06-21 2003-09-16 Psc Scanning, Inc. Omni-directional optical code reader using scheimpflug optics
US20040061044A1 (en) * 2002-09-26 2004-04-01 Soar Steven E. Techniques for reducing encoder sensitivity to optical defects
US7299991B2 (en) * 2003-04-08 2007-11-27 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Reflective members for use in encoder systems
US6768101B1 (en) * 2003-06-04 2004-07-27 Agilent Technologies, Inc. High resolution optical encoder with an angular collimated light beam

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5859595A (ja) * 1981-10-02 1983-04-08 株式会社和廣武 人工光源装置
JPS6410620U (enExample) * 1987-07-10 1989-01-20
JPH01144809U (enExample) * 1988-03-30 1989-10-04
JPH06221874A (ja) * 1992-11-12 1994-08-12 Hewlett Packard Co <Hp> 光学式エンコーダ
JPH07151566A (ja) * 1993-07-17 1995-06-16 Dr Johannes Heidenhain Gmbh 測長または測角装置
JPH07270186A (ja) * 1994-03-31 1995-10-20 Keyence Corp 光学的変位量測定方法及び光学的変位量測定装置
JPH09138143A (ja) * 1995-11-14 1997-05-27 Copal Co Ltd 光学式エンコーダ

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007121296A (ja) * 2005-10-26 2007-05-17 Avago Technologies Ecbu Ip (Singapore) Pte Ltd 種々のエミッター−検出器構成を有する反射型エンコーダ
JP2011142180A (ja) * 2010-01-06 2011-07-21 Sharp Corp 光結合検出装置および電子機器
WO2014054420A1 (ja) * 2012-10-05 2014-04-10 株式会社村田製作所 光センサ
KR20150052235A (ko) * 2012-10-05 2015-05-13 가부시키가이샤 무라타 세이사쿠쇼 광 센서
JPWO2014054420A1 (ja) * 2012-10-05 2016-08-25 株式会社村田製作所 光センサ
KR101659549B1 (ko) * 2012-10-05 2016-09-23 가부시키가이샤 무라타 세이사쿠쇼 광 센서
US10261182B2 (en) 2012-10-05 2019-04-16 Murata Manufacturing Co., Ltd. Optical sensor
JP2019211312A (ja) * 2018-06-04 2019-12-12 コーデンシ株式会社 反射型光センサ及びそれを用いた反射型エンコーダ
JP7054914B2 (ja) 2018-06-04 2022-04-15 コーデンシ株式会社 反射型光センサ及びそれを用いた反射型エンコーダ
US20220373364A1 (en) * 2019-11-15 2022-11-24 Renishaw Plc Encoder apparatus
US12038310B2 (en) * 2019-11-15 2024-07-16 Renishaw Plc Encoder apparatus with readhead having circuit board and a folded sheet-metal structure to support a light emitting element
US12072216B2 (en) 2019-11-15 2024-08-27 Renishaw Plc Encoder apparatus and readhead

Also Published As

Publication number Publication date
US20050087681A1 (en) 2005-04-28
US7102123B2 (en) 2006-09-05
JP4977237B2 (ja) 2012-07-18
CN1661454A (zh) 2005-08-31
DE102004046350A1 (de) 2005-06-16
JP2010266450A (ja) 2010-11-25

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