DE69628774D1 - Vorrichtung zur Verschiebungsdetektion sowie Skala und Antriebsapparat dafür - Google Patents

Vorrichtung zur Verschiebungsdetektion sowie Skala und Antriebsapparat dafür

Info

Publication number
DE69628774D1
DE69628774D1 DE69628774T DE69628774T DE69628774D1 DE 69628774 D1 DE69628774 D1 DE 69628774D1 DE 69628774 T DE69628774 T DE 69628774T DE 69628774 T DE69628774 T DE 69628774T DE 69628774 D1 DE69628774 D1 DE 69628774D1
Authority
DE
Germany
Prior art keywords
scale
detection device
drive apparatus
displacement detection
apparatus therefor
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
DE69628774T
Other languages
English (en)
Other versions
DE69628774T2 (de
Inventor
Kou Ishizuka
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.)
Canon Inc
Original Assignee
Canon 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=12201896&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69628774(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69628774D1 publication Critical patent/DE69628774D1/de
Application granted granted Critical
Publication of DE69628774T2 publication Critical patent/DE69628774T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01D5/36—Forming the light into pulses
    • G01D5/38—Forming the light into pulses by diffraction gratings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE69628774T 1995-02-15 1996-02-14 Vorrichtung zur Verschiebungsdetektion sowie Skala und Antriebsapparat dafür Expired - Fee Related DE69628774T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2674795 1995-02-15
JP7026747A JPH08219812A (ja) 1995-02-15 1995-02-15 変位情報検出装置、変位情報検出用スケール及びこれを用いたドライブ制御装置

Publications (2)

Publication Number Publication Date
DE69628774D1 true DE69628774D1 (de) 2003-07-31
DE69628774T2 DE69628774T2 (de) 2004-05-13

Family

ID=12201896

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69628774T Expired - Fee Related DE69628774T2 (de) 1995-02-15 1996-02-14 Vorrichtung zur Verschiebungsdetektion sowie Skala und Antriebsapparat dafür

Country Status (4)

Country Link
US (1) US5663794A (de)
EP (1) EP0727646B1 (de)
JP (1) JPH08219812A (de)
DE (1) DE69628774T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08210824A (ja) * 1995-02-07 1996-08-20 Canon Inc 回転検出装置及び回転制御装置
US6229140B1 (en) 1995-10-27 2001-05-08 Canon Kabushiki Kaisha Displacement information detection apparatus
US6151185A (en) * 1996-09-05 2000-11-21 Canon Kabushiki Kaisha Position detecting apparatus, positioning apparatus, and information recording apparatus using the same
US6631047B2 (en) 1997-09-22 2003-10-07 Canon Kabushiki Kaisha Interference device, position detecting device, positioning device and information recording apparatus using the same
JPH11351813A (ja) 1998-06-08 1999-12-24 Canon Inc 干渉装置及びそれを用いた位置検出装置
DE59912617D1 (de) * 1998-08-01 2006-02-16 Heidenhain Gmbh Dr Johannes Rotatorische Positionsmesseinrichtung
US6130745A (en) * 1999-01-07 2000-10-10 Biometric Imaging, Inc. Optical autofocus for use with microtiter plates
JP4365927B2 (ja) 1999-03-12 2009-11-18 キヤノン株式会社 干渉計測装置及び格子干渉式エンコーダ
US6674066B1 (en) 1999-04-16 2004-01-06 Canon Kabushiki Kaisha Encoder
JP2000321021A (ja) 1999-05-10 2000-11-24 Canon Inc 干渉装置、変位測定装置、及びそれを用いた情報記録又は／及び再生装置
FR2795504B1 (fr) * 1999-06-25 2001-08-10 Codechamp Codeur optique haute resolution
JP4846909B2 (ja) 2000-02-15 2011-12-28 キヤノン株式会社 光学式エンコーダ及び回折格子の変位測定方法
JP2001336952A (ja) 2000-05-26 2001-12-07 Canon Inc 測定装置
ATE330244T1 (de) * 2001-02-02 2006-07-15 Cellomics Inc Verfahren zur schätzung der besten anfangsfokussierung
JP4381671B2 (ja) * 2002-10-23 2009-12-09 ソニーマニュファクチュアリングシステムズ株式会社 変位検出装置
US6897961B2 (en) * 2003-03-19 2005-05-24 The Boeing Company Heterodyne lateral grating interferometric encoder
CN1328575C (zh) * 2003-07-31 2007-07-25 阿尔卑斯电气株式会社 绝对角检测装置
DE10351560A1 (de) * 2003-11-03 2005-06-02 Metronic Ag Impulsgeber
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
US7595480B2 (en) * 2006-10-16 2009-09-29 Arcus Technology, Inc. Optical encoder with encoder member having one or more digital diffractive optic regions
JP4827019B2 (ja) * 2007-02-14 2011-11-30 コニカミノルタオプト株式会社 光学素子及び光ピックアップ装置
US7646482B2 (en) * 2007-05-31 2010-01-12 Genetix Limited Methods and apparatus for optical analysis of samples in biological sample containers
US7535556B2 (en) * 2007-05-31 2009-05-19 Genetix Limited Methods and apparatus for optical analysis of samples in biological sample containers
US7942044B2 (en) * 2007-12-18 2011-05-17 Michigan Technological University Wrist pin sensing system and method
JP5159663B2 (ja) * 2009-02-13 2013-03-06 キヤノン株式会社 原点検出装置、変位測定装置および電子機器
TWI473970B (zh) * 2009-10-05 2015-02-21 Taiyo Yuden Kk Displacement measurement method and displacement measurement device
WO2012029927A1 (ja) * 2010-09-02 2012-03-08 株式会社安川電機 エンコーダ、サーボモータ、及びモータユニット
CN103064262B (zh) * 2013-01-17 2015-10-28 清华大学 一种用于激光干涉光刻系统的光栅相位调制器
JP6593868B2 (ja) 2015-07-28 2019-10-23 株式会社ミツトヨ 変位検出装置
US10274344B2 (en) 2016-12-27 2019-04-30 Mitutoyo Corporation Displacement encoder
JP7063743B2 (ja) 2018-06-19 2022-05-09 株式会社ミツトヨ エンコーダ
CN109443402B (zh) * 2018-12-12 2024-04-05 珠海格力电器股份有限公司 一种码盘及编码器
CN112013768B (zh) * 2019-05-29 2022-09-02 深圳市立林智感科技有限公司 用于位移测量的信号携带体装置、系统及设备
US11982550B2 (en) * 2020-11-06 2024-05-14 Panasonic Intellectual Property Management Co., Ltd. Encoder

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5283434A (en) * 1991-12-20 1994-02-01 Canon Kabushiki Kaisha Displacement detecting device with integral optics
US5390022A (en) * 1992-04-07 1995-02-14 Canon Kabushiki Kaisha Displacement information detection apparatus for receiving a divergent light beam
JP3254737B2 (ja) * 1992-06-17 2002-02-12 キヤノン株式会社 エンコーダー
JP3478567B2 (ja) * 1992-09-25 2003-12-15 キヤノン株式会社 回転情報検出装置
JPH06194123A (ja) * 1992-12-24 1994-07-15 Canon Inc 変位検出装置
JP3210111B2 (ja) * 1992-12-24 2001-09-17 キヤノン株式会社 変位検出装置
JP3173208B2 (ja) * 1993-01-29 2001-06-04 キヤノン株式会社 変位測定装置
DE4317064A1 (de) * 1993-05-21 1994-11-24 Bosch Gmbh Robert Positionsmeßvorrichtung
JPH08210824A (ja) * 1995-02-07 1996-08-20 Canon Inc 回転検出装置及び回転制御装置

Also Published As

Publication number Publication date
EP0727646B1 (de) 2003-06-25
DE69628774T2 (de) 2004-05-13
JPH08219812A (ja) 1996-08-30
EP0727646A3 (de) 1997-11-26
EP0727646A2 (de) 1996-08-21
US5663794A (en) 1997-09-02

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee