CN102062614A - 高分辨率光学编码器系统、装置和方法 - Google Patents

高分辨率光学编码器系统、装置和方法 Download PDF

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Publication number
CN102062614A
CN102062614A CN2010105497031A CN201010549703A CN102062614A CN 102062614 A CN102062614 A CN 102062614A CN 2010105497031 A CN2010105497031 A CN 2010105497031A CN 201010549703 A CN201010549703 A CN 201010549703A CN 102062614 A CN102062614 A CN 102062614A
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CN
China
Prior art keywords
optical
output signal
detector
detection device
photo
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CN2010105497031A
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English (en)
Chinese (zh)
Inventor
李彦伟
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Avago Technologies International Sales Pte Ltd
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Avago Technologies ECBU IP Singapore Pte Ltd
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Publication of CN102062614A publication Critical patent/CN102062614A/zh
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
    • H03M1/202—Increasing resolution using an n bit system to obtain n + m bits by interpolation
    • H03M1/206—Increasing resolution using an n bit system to obtain n + m bits by interpolation using a logic interpolation circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
    • H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
    • H03M1/303—Circuits or methods for processing the quadrature signals

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Transform (AREA)
CN2010105497031A 2009-11-14 2010-11-15 高分辨率光学编码器系统、装置和方法 Pending CN102062614A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/618,710 US8188420B2 (en) 2009-11-14 2009-11-14 High resolution optical encoder systems having a set of light detecting elements each comprising a pair of complementary detectors (as amended)
US12/618.710 2009-11-14

Publications (1)

Publication Number Publication Date
CN102062614A true CN102062614A (zh) 2011-05-18

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CN2010105497031A Pending CN102062614A (zh) 2009-11-14 2010-11-15 高分辨率光学编码器系统、装置和方法

Country Status (4)

Country Link
US (1) US8188420B2 (https=)
JP (1) JP5259680B2 (https=)
CN (1) CN102062614A (https=)
DE (1) DE202010015396U1 (https=)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103196915A (zh) * 2013-02-26 2013-07-10 无锡微焦科技有限公司 一种物体探测系统
CN104515534B (zh) * 2014-12-17 2017-01-04 中国科学院长春光学精密机械与物理研究所 绝对位置测量方法
CN110418943A (zh) * 2017-03-07 2019-11-05 瑞尼斯豪公司 编码器装置
CN110879075A (zh) * 2019-11-08 2020-03-13 杭州电子科技大学 一种高分辨率的增量码道检测方法
CN112949845A (zh) * 2021-03-08 2021-06-11 内蒙古大学 一种基于fpga的深度卷积神经网络的加速器

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5562076B2 (ja) * 2010-03-10 2014-07-30 キヤノン株式会社 光学式エンコーダおよび変位計測装置
JP5832088B2 (ja) * 2010-12-15 2015-12-16 キヤノン株式会社 ロータリーエンコーダ
JP5787513B2 (ja) * 2010-12-15 2015-09-30 キヤノン株式会社 アブソリュートロータリーエンコーダ
JP6032924B2 (ja) 2011-04-13 2016-11-30 キヤノン株式会社 エンコーダ
JP5791340B2 (ja) * 2011-04-14 2015-10-07 キヤノン株式会社 エンコーダ
JP5755009B2 (ja) 2011-04-14 2015-07-29 キヤノン株式会社 エンコーダ
JP5755010B2 (ja) 2011-04-14 2015-07-29 キヤノン株式会社 エンコーダ
CN104221276A (zh) * 2012-04-25 2014-12-17 赛诺菲-安万特德国有限公司 包括机电装置和运动检测器的设备以及用于操作设备的方法
DE102012212767A1 (de) * 2012-07-20 2014-01-23 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
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
US11073413B2 (en) * 2018-11-26 2021-07-27 Pixart Imaging Inc. Optical encoder and interpolation circuit and operating method thereof
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
JP2020148551A (ja) * 2019-03-12 2020-09-17 キヤノン株式会社 光検出装置および光学エンコーダ装置
CN110686713A (zh) * 2019-11-22 2020-01-14 中国科学院长春光学精密机械与物理研究所 一种金属柱面图像式光电编码器
TWI716246B (zh) 2019-12-31 2021-01-11 財團法人工業技術研究院 光學編碼器
CN113686365B (zh) * 2021-09-02 2022-06-17 北京精雕科技集团有限公司 绝对式位置测量装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1690663A (zh) * 2004-04-22 2005-11-02 安捷伦科技有限公司 光学编码器的光电探测器阵列布置
JP2007218603A (ja) * 2006-02-14 2007-08-30 Matsushita Electric Ind Co Ltd 光学式エンコーダ装置
JP2008076199A (ja) * 2006-09-21 2008-04-03 Nikki Denso Kk エンコーダ
US20090206244A1 (en) * 2008-02-19 2009-08-20 Avago Technologies Ecbu (Singapore) Pte. Ltd. Single Track Optical Encoder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3278361B2 (ja) * 1996-10-25 2002-04-30 オークマ株式会社 光学式エンコーダ
US5929789A (en) 1997-04-09 1999-07-27 Hewlett-Packrd Company Single channel incremental position encorder with incorporated reference mark
US6124589A (en) 1997-06-16 2000-09-26 West; Donald Lee Virtual mask encoder
US6355921B1 (en) 1999-05-17 2002-03-12 Agilent Technologies, Inc. Large dynamic range light detection
JP2004309366A (ja) * 2003-04-09 2004-11-04 Sankyo Seiki Mfg Co Ltd 位置検出装置
US7399956B2 (en) 2005-11-28 2008-07-15 Avago Technologies Ecbuip Pte Ltd Optical encoder with sinusoidal photodetector output signal
WO2007087351A2 (en) 2006-01-24 2007-08-02 Carnegie Mellon University Method, apparatus, and system for computer-aided tracking, navigation, and motion teaching
US7265339B1 (en) 2006-05-22 2007-09-04 Avago Technologies General Ip (Singapore) Pte. Ltd. Encoder interpolation apparatus
GB0625123D0 (en) 2006-12-18 2007-01-24 Renishaw Plc Phase contrast encoding
US8097842B2 (en) * 2009-05-31 2012-01-17 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. High resolution single track optical encoder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1690663A (zh) * 2004-04-22 2005-11-02 安捷伦科技有限公司 光学编码器的光电探测器阵列布置
JP2007218603A (ja) * 2006-02-14 2007-08-30 Matsushita Electric Ind Co Ltd 光学式エンコーダ装置
JP2008076199A (ja) * 2006-09-21 2008-04-03 Nikki Denso Kk エンコーダ
US20090206244A1 (en) * 2008-02-19 2009-08-20 Avago Technologies Ecbu (Singapore) Pte. Ltd. Single Track Optical Encoder

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103196915A (zh) * 2013-02-26 2013-07-10 无锡微焦科技有限公司 一种物体探测系统
CN103196915B (zh) * 2013-02-26 2015-05-27 无锡微焦科技有限公司 一种物体探测系统
CN104515534B (zh) * 2014-12-17 2017-01-04 中国科学院长春光学精密机械与物理研究所 绝对位置测量方法
CN110418943A (zh) * 2017-03-07 2019-11-05 瑞尼斯豪公司 编码器装置
US11353342B2 (en) 2017-03-07 2022-06-07 Renishaw Plc Shadow-cast encoder apparatus with scale and readhead producing a fringe pattern on the detector with a specific harmonic distortion
CN110879075A (zh) * 2019-11-08 2020-03-13 杭州电子科技大学 一种高分辨率的增量码道检测方法
CN110879075B (zh) * 2019-11-08 2021-06-22 杭州电子科技大学 一种高分辨率的增量码道检测方法
CN112949845A (zh) * 2021-03-08 2021-06-11 内蒙古大学 一种基于fpga的深度卷积神经网络的加速器
CN112949845B (zh) * 2021-03-08 2022-08-09 内蒙古大学 一种基于fpga的深度卷积神经网络的加速器

Also Published As

Publication number Publication date
JP2011141268A (ja) 2011-07-21
JP5259680B2 (ja) 2013-08-07
US20110114829A1 (en) 2011-05-19
DE202010015396U1 (de) 2011-02-10
US8188420B2 (en) 2012-05-29

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Effective date: 20130508

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Address before: Singapore Singapore

Applicant before: Avago Technologies ECBU IP (Singapore) Sdn Bhd

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Application publication date: 20110518