JP5259680B2 - 高解像度の光学エンコーダ・システム、装置及び方法 - Google Patents

高解像度の光学エンコーダ・システム、装置及び方法 Download PDF

Info

Publication number
JP5259680B2
JP5259680B2 JP2010252724A JP2010252724A JP5259680B2 JP 5259680 B2 JP5259680 B2 JP 5259680B2 JP 2010252724 A JP2010252724 A JP 2010252724A JP 2010252724 A JP2010252724 A JP 2010252724A JP 5259680 B2 JP5259680 B2 JP 5259680B2
Authority
JP
Japan
Prior art keywords
output signal
photodetectors
optical encoder
width
code
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 - Fee Related
Application number
JP2010252724A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011141268A5 (enExample
JP2011141268A (ja
Inventor
ウェイ・ヤン・リー
Original Assignee
アバゴ・テクノロジーズ・イーシービーユー・アイピー(シンガポール)プライベート・リミテッド
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 アバゴ・テクノロジーズ・イーシービーユー・アイピー(シンガポール)プライベート・リミテッド filed Critical アバゴ・テクノロジーズ・イーシービーユー・アイピー(シンガポール)プライベート・リミテッド
Publication of JP2011141268A publication Critical patent/JP2011141268A/ja
Publication of JP2011141268A5 publication Critical patent/JP2011141268A5/ja
Application granted granted Critical
Publication of JP5259680B2 publication Critical patent/JP5259680B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12Analogue/digital converters
    • H03M1/20Increasing resolution using an n bit system to obtain n + m bits
    • H03M1/202Increasing resolution using an n bit system to obtain n + m bits by interpolation
    • H03M1/206Increasing resolution using an n bit system to obtain n + m bits by interpolation using a logic interpolation circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12Analogue/digital converters
    • H03M1/22Analogue/digital converters pattern-reading type
    • H03M1/24Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/28Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
    • H03M1/30Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
    • H03M1/303Circuits or methods for processing the quadrature signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Transform (AREA)
JP2010252724A 2009-11-14 2010-11-11 高解像度の光学エンコーダ・システム、装置及び方法 Expired - Fee Related JP5259680B2 (ja)

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 (3)

Publication Number Publication Date
JP2011141268A JP2011141268A (ja) 2011-07-21
JP2011141268A5 JP2011141268A5 (enExample) 2012-07-12
JP5259680B2 true JP5259680B2 (ja) 2013-08-07

Family

ID=43571533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010252724A Expired - Fee Related JP5259680B2 (ja) 2009-11-14 2010-11-11 高解像度の光学エンコーダ・システム、装置及び方法

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (20)

* 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
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
JP5791340B2 (ja) * 2011-04-14 2015-10-07 キヤノン株式会社 エンコーダ
JP6408980B2 (ja) * 2012-04-25 2018-10-17 サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 電気機械デバイスおよび動き検出器を備える装置ならびに装置を動作させるための方法
DE102012212767A1 (de) * 2012-07-20 2014-01-23 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
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
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
EP3593092B1 (en) * 2017-03-07 2023-07-26 Renishaw PLC Encoder apparatus
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
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
TWI716246B (zh) 2019-12-31 2021-01-11 財團法人工業技術研究院 光學編碼器
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
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

Family Cites Families (14)

* 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
US7126108B2 (en) * 2004-04-22 2006-10-24 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Photodetector array arrangement for optical encoders
US7399956B2 (en) * 2005-11-28 2008-07-15 Avago Technologies Ecbuip Pte Ltd Optical encoder with sinusoidal photodetector output signal
US9082319B2 (en) 2006-01-24 2015-07-14 Carnegie Mellon University Method, apparatus, and system for computer-aided tracking, navigation and motion teaching
JP4640201B2 (ja) * 2006-02-14 2011-03-02 パナソニック株式会社 光学式エンコーダ装置
US7265339B1 (en) * 2006-05-22 2007-09-04 Avago Technologies General Ip (Singapore) Pte. Ltd. Encoder interpolation apparatus
JP4865470B2 (ja) * 2006-09-21 2012-02-01 日機電装株式会社 エンコーダ
GB0625123D0 (en) 2006-12-18 2007-01-24 Renishaw Plc Phase contrast encoding
US8173950B2 (en) * 2008-02-19 2012-05-08 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Single track optical encoder
US8097842B2 (en) * 2009-05-31 2012-01-17 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. High resolution single track optical encoder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
DE202010015396U1 (de) 2011-02-10
US8188420B2 (en) 2012-05-29
JP2011141268A (ja) 2011-07-21
CN102062614A (zh) 2011-05-18
US20110114829A1 (en) 2011-05-19

Similar Documents

Publication Publication Date Title
JP5259680B2 (ja) 高解像度の光学エンコーダ・システム、装置及び方法
CN101738217B (zh) 绝对式光学编码器的刻度轨迹结构
JP5237498B2 (ja) 光学エンコーダの利得とオフセットを動的に調整する方法
JP5379761B2 (ja) アブソリュートエンコーダ
CN100445698C (zh) 光学式编码器
US8785838B2 (en) Absolute rotary encoder
JP6400036B2 (ja) 位置検出装置、工作装置、および、露光装置
US20120138781A1 (en) Interpolation Circuitry for Optical Encoders
JP2012181019A (ja) 光学式エンコーダ
JP2018530751A (ja) エンコーダ装置
CN101069067A (zh) 采用串联多比特内插子编码器的绝对编码器
JP5641746B2 (ja) 光電式エンコーダ
JP5507080B2 (ja) 調波成分を抑制するための傾斜光学検出素子を有する光学エンコーダ
US8841600B2 (en) Hysteresis-compensating interpolation circuits in optical encoders
JP2006220655A5 (enExample)
US20120006976A1 (en) High Resolution, High Speed, Miniaturized Optical Encoder
JPH10132614A (ja) 光学式エンコーダ
US7265339B1 (en) Encoder interpolation apparatus
JP2004309366A (ja) 位置検出装置
JP6440609B2 (ja) 位置検出装置、レンズ装置、撮像システム、工作装置、露光装置、位置検出方法、プログラム、記憶媒体
JP2007155720A (ja) 改良形補間エンコーダ
JP4865470B2 (ja) エンコーダ
JP2002081963A (ja) リニヤスケールにおける計測信号生成回路
JP6196539B2 (ja) 光学式エンコーダ
JP2008261786A (ja) 絶対角検出装置

Legal Events

Date Code Title Description
RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20110714

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120529

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20120529

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20130419

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20130423

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20130424

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20160502

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees