DE102004046350A1 - Reflektierender Bilderfassungscodierer - Google Patents

Reflektierender Bilderfassungscodierer Download PDF

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Publication number
DE102004046350A1
DE102004046350A1 DE102004046350A DE102004046350A DE102004046350A1 DE 102004046350 A1 DE102004046350 A1 DE 102004046350A1 DE 102004046350 A DE102004046350 A DE 102004046350A DE 102004046350 A DE102004046350 A DE 102004046350A DE 102004046350 A1 DE102004046350 A1 DE 102004046350A1
Authority
DE
Germany
Prior art keywords
image capture
reflective image
light
encoder according
reflective
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.)
Ceased
Application number
DE102004046350A
Other languages
German (de)
English (en)
Inventor
Yee Loong Chin
Kok Hing Fo
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.)
Avago Technologies International Sales Pte Ltd
Original Assignee
Agilent Technologies 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
Application filed by Agilent Technologies Inc filed Critical Agilent Technologies Inc
Publication of DE102004046350A1 publication Critical patent/DE102004046350A1/de
Ceased 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
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
DE102004046350A 2003-10-28 2004-09-24 Reflektierender Bilderfassungscodierer Ceased DE102004046350A1 (de)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
DE102004046350A1 true DE102004046350A1 (de) 2005-06-16

Family

ID=34522878

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102004046350A Ceased DE102004046350A1 (de) 2003-10-28 2004-09-24 Reflektierender Bilderfassungscodierer

Country Status (4)

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

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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
US7385178B2 (en) * 2005-10-26 2008-06-10 Avago Technologies Ecbu Ip Pte Ltd Reflective encoders with various emitter-detector configurations
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
US8130904B2 (en) 2009-01-29 2012-03-06 The Invention Science Fund I, Llc Diagnostic delivery service
US8249218B2 (en) 2009-01-29 2012-08-21 The Invention Science Fund I, Llc Diagnostic delivery service
US8324602B2 (en) * 2009-04-14 2012-12-04 Intersil Americas Inc. Optical sensors that reduce specular reflections
US20100259766A1 (en) * 2009-04-14 2010-10-14 Intersil Americas Inc. Optical sensors and methods for providing optical sensors
JP2011142180A (ja) * 2010-01-06 2011-07-21 Sharp Corp 光結合検出装置および電子機器
DE102010002902A1 (de) * 2010-03-16 2011-09-22 Dr. Johannes Heidenhain Gmbh Abtasteinheit für eine optische Positionsmesseinrichtung
CN103459991A (zh) * 2011-01-31 2013-12-18 维泰克实验室技术股份有限公司 具有数字的体积显示的瓶式分配器
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
EP2905817A4 (en) * 2012-10-05 2016-06-15 Murata Manufacturing Co LIGHT SENSOR
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
KR20160104935A (ko) 2015-02-27 2016-09-06 삼성전자주식회사 회전체의 회전 인식부 제어 방법 및 그 전자 장치
KR20160104950A (ko) 2015-02-27 2016-09-06 삼성전자주식회사 입력 장치, 이를 구비한 전자 장치 및 그 제어 방법
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
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
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
GB201916662D0 (en) * 2019-11-15 2020-01-01 Renishaw Plc Encoder apparatus
GB201916641D0 (en) 2019-11-15 2020-01-01 Renishaw Plc Position measurement device
TWI716246B (zh) 2019-12-31 2021-01-11 財團法人工業技術研究院 光學編碼器
US12412054B2 (en) * 2020-12-18 2025-09-09 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

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US4587513A (en) * 1984-06-25 1986-05-06 Energy Innovations, Inc. Noncontact shaft angle detector
JPS6410620U (https=) * 1987-07-10 1989-01-20
JPH0729452Y2 (ja) * 1988-03-30 1995-07-05 アンリツ株式会社 変位測定装置
US5001937A (en) * 1989-11-06 1991-03-26 Tacan Corporation Optically based torsion sensor
US5317149A (en) * 1992-11-12 1994-05-31 Hewlett-Packard Company Optical encoder with encapsulated electrooptics
DE59307609D1 (de) * 1993-07-17 1997-12-04 Heidenhain Gmbh Dr Johannes Längen- oder Winkelmesseinrichtung
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
JP3435525B2 (ja) * 1994-03-31 2003-08-11 株式会社キーエンス 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
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

Also Published As

Publication number Publication date
JP4977237B2 (ja) 2012-07-18
JP2005134391A (ja) 2005-05-26
US7102123B2 (en) 2006-09-05
US20050087681A1 (en) 2005-04-28
JP2010266450A (ja) 2010-11-25
CN1661454A (zh) 2005-08-31

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8127 New person/name/address of the applicant

Owner name: AVAGO TECHNOLOGIES ECBU IP (SINGAPORE) PTE. LTD.,

8128 New person/name/address of the agent

Representative=s name: DILG HAEUSLER SCHINDELMANN PATENTANWALTSGESELLSCHA

R002 Refusal decision in examination/registration proceedings
R003 Refusal decision now final

Effective date: 20131231