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DE60033075D1 - Kodierer - Google Patents

Kodierer

Info

Publication number
DE60033075D1
DE60033075D1 DE60033075T DE60033075T DE60033075D1 DE 60033075 D1 DE60033075 D1 DE 60033075D1 DE 60033075 T DE60033075 T DE 60033075T DE 60033075 T DE60033075 T DE 60033075T DE 60033075 D1 DE60033075 D1 DE 60033075D1
Authority
DE
Germany
Prior art keywords
encoder
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 - Lifetime
Application number
DE60033075T
Other languages
English (en)
Other versions
DE60033075T2 (de
DE60033075T3 (de
Inventor
Yasushi Kaneda
Hidejiro Kadowaki
Kou Ishizuka
Shigeki Kato
Takayuki Kadoshima
Sakae Horyu
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=26449213&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60033075(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP10946399A external-priority patent/JP4473975B2/ja
Priority claimed from JP11006799A external-priority patent/JP2000304573A/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE60033075D1 publication Critical patent/DE60033075D1/de
Publication of DE60033075T2 publication Critical patent/DE60033075T2/de
Publication of DE60033075T3 publication Critical patent/DE60033075T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
DE60033075T 1999-04-16 2000-04-14 Kodierer Expired - Lifetime DE60033075T3 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP11006799 1999-04-16
JP10946399A JP4473975B2 (ja) 1999-04-16 1999-04-16 エンコーダ
JP11006799A JP2000304573A (ja) 1999-04-16 1999-04-16 ロータリエンコーダ
JP10946399 1999-04-16
EP00108243A EP1045227B2 (de) 1999-04-16 2000-04-14 Kodierer

Publications (3)

Publication Number Publication Date
DE60033075D1 true DE60033075D1 (de) 2007-03-15
DE60033075T2 DE60033075T2 (de) 2007-08-30
DE60033075T3 DE60033075T3 (de) 2012-08-30

Family

ID=26449213

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60033075T Expired - Lifetime DE60033075T3 (de) 1999-04-16 2000-04-14 Kodierer

Country Status (3)

Country Link
US (1) US6674066B1 (de)
EP (1) EP1045227B2 (de)
DE (1) DE60033075T3 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
DE10308440A1 (de) * 2003-02-27 2004-09-16 Stegmann Gmbh & Co. Kg Vorrichtung zum Messen des Drehwinkels
TWI231865B (en) * 2003-08-26 2005-05-01 Prime View Int Co Ltd An interference display cell and fabrication method thereof
JP2006163291A (ja) * 2004-12-10 2006-06-22 Canon Inc 光学素子及びその製造方法
JP4928206B2 (ja) * 2006-09-22 2012-05-09 キヤノン株式会社 エンコーダ
JP2008292352A (ja) * 2007-05-25 2008-12-04 Mitsutoyo Corp 反射型エンコーダ
WO2012103870A1 (de) 2011-01-31 2012-08-09 Witeg Labortechnik Gmbh Flaschendispenser mit digitaler volumenanzeige
JP4816988B1 (ja) * 2011-02-10 2011-11-16 株式会社安川電機 エンコーダ、光学モジュール及びサーボシステム
US20140002642A1 (en) 2012-06-15 2014-01-02 Elmar SWIEGOT Absolute position detection
JP6087722B2 (ja) 2013-05-16 2017-03-01 株式会社ミツトヨ 原点信号発生装置及び原点信号発生システム
JP2014224745A (ja) 2013-05-16 2014-12-04 株式会社ミツトヨ 原点信号発生装置及び原点信号発生システム
WO2015049174A1 (en) 2013-10-01 2015-04-09 Renishaw Plc Measurement encoder
WO2015049176A1 (en) 2013-10-01 2015-04-09 Renishaw Plc Electronic device
EP3052898B1 (de) 2013-10-01 2021-06-02 Renishaw PLC Bezugsmarkendetektoranordnung
DE102014209004A1 (de) * 2014-05-13 2015-11-19 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
JP7475973B2 (ja) * 2020-06-08 2024-04-30 キヤノン株式会社 光学式エンコーダ及び制御装置

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* Cited by examiner, † Cited by third party
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US4097734A (en) * 1977-02-09 1978-06-27 Keuffel & Esser Company Zero index for electro-optical measuring device
DE3509102C2 (de) † 1985-03-14 1987-01-15 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Meßeinrichtung
GB2185314B (en) * 1986-01-14 1990-09-26 Canon Kk Encoder
DE3726678C1 (de) * 1987-08-11 1989-03-09 Heidenhain Gmbh Dr Johannes Inkrementale Laengen- oder Winkelmesseinrichtung
JPH01147319A (ja) * 1987-12-02 1989-06-09 Sony Corp 光学式エンコーダ
JP2586121B2 (ja) * 1988-09-30 1997-02-26 キヤノン株式会社 ロータリーエンコーダの原点検出系
US4920259A (en) * 1988-09-30 1990-04-24 Hewlett-Packard Company Apparatus for producing a phase insensitive index pulse for motion encoders
JP2586122B2 (ja) * 1988-11-18 1997-02-26 キヤノン株式会社 ロータリーエンコーダ
AT394781B (de) * 1989-02-03 1992-06-25 Rsf Elektronik Gmbh Inkrementales messsystem
JP2670457B2 (ja) * 1989-09-29 1997-10-29 キヤノン株式会社 零点位置検出装置
US5065017A (en) * 1990-04-20 1991-11-12 Hoech Robert W Zero mark for optical encoder using stator mask patterns and rotor patterns
JP3218657B2 (ja) 1991-12-04 2001-10-15 キヤノン株式会社 ロータリーエンコーダ
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
JP2899165B2 (ja) 1992-05-15 1999-06-02 キヤノン株式会社 ドップラー速度計及び変位情報検出装置
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
JP3083019B2 (ja) 1993-03-05 2000-09-04 キヤノン株式会社 光学装置及び速度情報検出装置
JP3082516B2 (ja) 1993-05-31 2000-08-28 キヤノン株式会社 光学式変位センサおよび該光学式変位センサを用いた駆動システム
US5502466A (en) 1993-06-29 1996-03-26 Canon Kabushiki Kaisha Doppler velocimeter and position information detection apparatus for use with objects having variations in surface depth
DE4323712C2 (de) † 1993-07-15 1997-12-11 Heidenhain Gmbh Dr Johannes Lichtelektrische Längen- oder Winkelmeßeinrichtung
JP3028716B2 (ja) 1993-09-29 2000-04-04 キヤノン株式会社 光学式変位センサ
GB2288015B (en) * 1994-03-31 1997-11-19 Mitutoyo Corp Optical encoder having a photodiode array that serves both for a light detector and an index scale
JP3530573B2 (ja) 1994-04-27 2004-05-24 キヤノン株式会社 光学式変位センサ
JP3491969B2 (ja) 1994-06-27 2004-02-03 キヤノン株式会社 変位情報測定装置
JP3513247B2 (ja) 1994-07-11 2004-03-31 キヤノン株式会社 周波数シフター及びそれを用いた光学式変位計測装置
JP3450446B2 (ja) 1994-08-03 2003-09-22 キヤノン株式会社 光学式変位検出装置
US5815267A (en) 1994-09-09 1998-09-29 Canon Kabushiki Kaisha Displacement information measuring apparatus in which a light-receiving condition on a photodetector is adjustable
JPH08210814A (ja) 1994-10-12 1996-08-20 Canon Inc 光学式変位測定装置
JPH08219812A (ja) 1995-02-15 1996-08-30 Canon Inc 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
EP0729013B1 (de) 1995-02-21 2002-07-17 Canon Kabushiki Kaisha Vorrichtung zur Bestimmung einer Verschiebung und deren Verwendung in einer Einrichtung zur Antriebsregelung
US5796470A (en) 1995-02-28 1998-08-18 Canon Kabushiki Kaisha Frequency shifter and optical displacement measuring apparatus using the frequency shifter
JP3492012B2 (ja) 1995-03-09 2004-02-03 キヤノン株式会社 変位情報検出装置
JPH08304430A (ja) 1995-05-12 1996-11-22 Canon Inc 周波数シフタ及びそれを用いた光学式変位計測装置
JP3548275B2 (ja) 1995-05-12 2004-07-28 キヤノン株式会社 変位情報測定装置
US6229140B1 (en) † 1995-10-27 2001-05-08 Canon Kabushiki Kaisha Displacement information detection apparatus
JP3647135B2 (ja) 1996-04-15 2005-05-11 キヤノン株式会社 光学式変位情報測定装置
US5883384A (en) * 1996-04-16 1999-03-16 Canon Kabushiki Kaisha Rotational displacement information detection apparatus
DE19830925A1 (de) * 1997-08-07 1999-02-11 Heidenhain Gmbh Dr Johannes Abtasteinheit für eine optische Positionsmeßeinrichtung

Also Published As

Publication number Publication date
EP1045227A1 (de) 2000-10-18
EP1045227B1 (de) 2007-01-24
DE60033075T2 (de) 2007-08-30
US6674066B1 (en) 2004-01-06
EP1045227B2 (de) 2012-04-18
DE60033075T3 (de) 2012-08-30

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Legal Events

Date Code Title Description
8363 Opposition against the patent