DE59806597D1 - Abtasteinheit für eine optische Positionsmesseinrichtung - Google Patents

Abtasteinheit für eine optische Positionsmesseinrichtung

Info

Publication number
DE59806597D1
DE59806597D1 DE59806597T DE59806597T DE59806597D1 DE 59806597 D1 DE59806597 D1 DE 59806597D1 DE 59806597 T DE59806597 T DE 59806597T DE 59806597 T DE59806597 T DE 59806597T DE 59806597 D1 DE59806597 D1 DE 59806597D1
Authority
DE
Germany
Prior art keywords
measuring device
scanning unit
position measuring
optical position
pulse signal
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
DE59806597T
Other languages
German (de)
English (en)
Inventor
Volker Hoefer
Wolfgang Holzapfel
Walter Huber
Elmar Mayer
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.)
Dr Johannes Heidenhain GmbH
Original Assignee
Dr Johannes Heidenhain GmbH
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 Dr Johannes Heidenhain GmbH filed Critical Dr Johannes Heidenhain GmbH
Application granted granted Critical
Publication of DE59806597D1 publication Critical patent/DE59806597D1/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
    • G01D5/366—Particular pulse shapes
    • 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
    • G01D5/12—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 using electric or magnetic means
    • G01D5/244—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • G01D5/2454—Encoders incorporating incremental and absolute signals
    • G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
    • G01D5/2457—Incremental encoders having reference marks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)
  • Eye Examination Apparatus (AREA)
DE59806597T 1997-08-07 1998-07-10 Abtasteinheit für eine optische Positionsmesseinrichtung Expired - Lifetime DE59806597D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19734136 1997-08-07

Publications (1)

Publication Number Publication Date
DE59806597D1 true DE59806597D1 (de) 2003-01-23

Family

ID=7838220

Family Applications (4)

Application Number Title Priority Date Filing Date
DE59806597T Expired - Lifetime DE59806597D1 (de) 1997-08-07 1998-07-10 Abtasteinheit für eine optische Positionsmesseinrichtung
DE19830925A Withdrawn DE19830925A1 (de) 1997-08-07 1998-07-10 Abtasteinheit für eine optische Positionsmeßeinrichtung
DE59806554T Expired - Lifetime DE59806554D1 (de) 1997-08-07 1998-07-24 Optische positionsmesseinrichtung
DE19833439.7A Expired - Fee Related DE19833439B4 (de) 1997-08-07 1998-07-24 Optische Positionsmeßeinrichtung

Family Applications After (3)

Application Number Title Priority Date Filing Date
DE19830925A Withdrawn DE19830925A1 (de) 1997-08-07 1998-07-10 Abtasteinheit für eine optische Positionsmeßeinrichtung
DE59806554T Expired - Lifetime DE59806554D1 (de) 1997-08-07 1998-07-24 Optische positionsmesseinrichtung
DE19833439.7A Expired - Fee Related DE19833439B4 (de) 1997-08-07 1998-07-24 Optische Positionsmeßeinrichtung

Country Status (6)

Country Link
US (2) US6392224B1 (enExample)
EP (2) EP0896206B1 (enExample)
JP (2) JP2001512818A (enExample)
AT (2) ATE229642T1 (enExample)
DE (4) DE59806597D1 (enExample)
WO (1) WO1999008074A1 (enExample)

Families Citing this family (60)

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EP0896206B1 (de) 1997-08-07 2002-12-11 Dr. Johannes Heidenhain GmbH Abtasteinheit für eine optische Positionsmesseinrichtung
DE19859670A1 (de) 1998-12-23 2000-06-29 Heidenhain Gmbh Dr Johannes Abtastkopf und Verfahren zu dessen Herstellung
EP1028309B1 (de) * 1999-02-04 2003-04-16 Dr. Johannes Heidenhain GmbH Optische Positionsmesseinrichtung
DE60033075T3 (de) * 1999-04-16 2012-08-30 Canon K.K. Kodierer
US6545262B1 (en) 1999-06-04 2003-04-08 Dr. Johannes Heidenhein Gmbh Position measuring system
DE19962278A1 (de) * 1999-12-23 2001-08-02 Heidenhain Gmbh Dr Johannes Positionsmeßeinrichtung
DE10022619A1 (de) 2000-04-28 2001-12-06 Heidenhain Gmbh Dr Johannes Abtasteinheit für eine optische Positionsmesseinrichtung
FR2808167B1 (fr) * 2000-04-28 2005-03-18 Mars Alimentaire Procede de realisation de confiseries en vrac
DE10020575A1 (de) 2000-04-28 2001-10-31 Heidenhain Gmbh Dr Johannes Abtasteinheit für eine optische Positionsmesseinrichtung
DE10020895B4 (de) * 2000-04-29 2011-07-28 Rodi, Anton, 69181 Positionsgebervorrichtung
US6713756B2 (en) * 2000-05-09 2004-03-30 Olympus Corporation Optical encoder and optical rotary encoder
DE10029380A1 (de) * 2000-06-20 2002-01-03 Pwb Ruhlatec Ind Prod Gmbh Taktlineal oder Taktscheibe
DE10058239B4 (de) * 2000-11-17 2012-01-26 Dr. Johannes Heidenhain Gmbh Positionsmeßeinrichtung
JP4720058B2 (ja) * 2000-11-28 2011-07-13 株式会社Sumco シリコンウェーハの製造方法
GB0109057D0 (en) 2001-04-11 2001-05-30 Renishaw Plc Absolute postition measurement
WO2003021197A1 (en) * 2001-08-30 2003-03-13 Microe Systems Corporation Harmonic suppressing photodetector array
CN1250933C (zh) * 2001-09-04 2006-04-12 约翰尼斯海登海恩博士股份有限公司 位置测量装置及运行位置测量装置的方法
DE10217726A1 (de) * 2002-04-17 2003-11-27 Heidenhain Gmbh Dr Johannes Optische Positionsmesseinrichtung
DE10244234A1 (de) * 2002-09-23 2004-03-25 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
DE10319609A1 (de) * 2003-05-02 2004-11-18 Dr. Johannes Heidenhain Gmbh Optoelektronische Detektoranordnung
GB0316921D0 (en) * 2003-07-19 2003-08-27 Renishaw Plc Reader for a scale marking
DE10338991A1 (de) * 2003-08-18 2005-03-17 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
DE10346380B4 (de) * 2003-09-26 2014-01-16 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
DE10347604A1 (de) * 2003-10-14 2005-05-12 Heidenhain Gmbh Dr Johannes Optische Positionsmesseinrichtung
DE602005002287T2 (de) * 2004-03-17 2008-05-29 Canon K.K. Optischer Encoder
JP4498024B2 (ja) * 2004-06-15 2010-07-07 キヤノン株式会社 光学式エンコーダ
GB0413710D0 (en) * 2004-06-21 2004-07-21 Renishaw Plc Scale reading apparatus
EP1619477A2 (en) * 2004-06-25 2006-01-25 Fanuc Ltd Linear encoder
JP4054817B2 (ja) * 2004-08-20 2008-03-05 シャープ株式会社 光学式エンコーダおよびそれを用いた電子機器
JP4908764B2 (ja) * 2005-02-04 2012-04-04 キヤノン株式会社 光学式エンコーダ
DE102005006247A1 (de) * 2005-02-11 2006-08-17 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
DE102005023984A1 (de) * 2005-05-20 2006-11-23 Dr. Johannes Heidenhain Gmbh Positionsmessgerät
US20070024865A1 (en) * 2005-07-26 2007-02-01 Mitchell Donald K Optical encoder having slanted optical detector elements for harmonic suppression
US7552873B2 (en) * 2005-09-14 2009-06-30 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Transmissive optical encoder
DE102006024579B4 (de) * 2006-05-18 2016-09-29 Dr. Johannes Heidenhain Gmbh Vorrichtung zur Bestimmung der Position eines entlang mindestens einer Verschieberichtung bewegbaren Objektes
US7400269B2 (en) * 2006-11-09 2008-07-15 Avago Technologies Ecbu Ip Pte Ltd Coding element with integrated limit switch
JP5147368B2 (ja) * 2006-11-20 2013-02-20 ドクトル・ヨハネス・ハイデンハイン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング エンコーダ
US8011112B2 (en) * 2006-12-07 2011-09-06 Leica Geosystems Ag Method and apparatus for determining positions
US7943897B2 (en) * 2007-06-20 2011-05-17 Sharp Kabushiki Kaisha Optical encoder and electronic equipment
US20090027692A1 (en) * 2007-07-24 2009-01-29 Mitutoyo Corporation Reference signal generating configuration for an interferometric miniature grating encoder readhead using fiber optic receiver channels
US7965393B2 (en) 2007-07-24 2011-06-21 Mitutoyo Corporation Reference signal generating configuration for an interferometric miniature grating encoder readhead using fiber optic receiver channels
US7973941B2 (en) * 2007-07-24 2011-07-05 Mitutoyo Corporation Reference signal generating configuration for an interferometric miniature grating encoder readhead using fiber optic receiver channels
ES2353355T5 (es) † 2008-09-10 2014-03-31 Fagor, S.Coop. Dispositivo optoelectrónico de medida
JP5641746B2 (ja) * 2010-02-12 2014-12-17 株式会社ミツトヨ 光電式エンコーダ
EP2579005A4 (en) * 2010-05-31 2013-10-23 Yaskawa Denki Seisakusho Kk ROTATABLE ENCODER, ROTATABLE ENGINE AND ROTATABLE MOTOR SYSTEM
DE102012210309A1 (de) * 2012-06-19 2013-12-19 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
JP2014098666A (ja) * 2012-11-15 2014-05-29 Canon Inc インクリメンタルエンコーダ
GB201301186D0 (en) 2012-12-20 2013-03-06 Renishaw Plc Optical element
JP2016532096A (ja) * 2013-10-01 2016-10-13 レニショウ パブリック リミテッド カンパニーＲｅｎｉｓｈａｗ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ 位置測定エンコーダ
JP6128328B2 (ja) * 2013-11-05 2017-05-17 株式会社安川電機 エンコーダ、エンコーダ付きモータ、サーボシステム
WO2015078860A1 (en) 2013-11-26 2015-06-04 Renishaw Plc Metrological scale
JP6497848B2 (ja) * 2014-04-14 2019-04-10 キヤノン株式会社 アブソリュートエンコーダ、処理方法、プログラム、駆動装置、および産業機械
JP6684087B2 (ja) * 2015-12-18 2020-04-22 セイコーＮｐｃ株式会社 光エンコーダ
CN105758435B (zh) * 2016-04-14 2018-02-09 清华大学深圳研究生院 一种绝对式光栅尺
DE102018200449A1 (de) 2018-01-12 2019-07-18 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
DE102018202556A1 (de) * 2018-02-20 2019-08-22 Dr. Johannes Heidenhain Gmbh Optische Positionsmesseinrichtung
EP3623769A1 (en) 2018-09-12 2020-03-18 Renishaw PLC Measurement device
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
DE102019219151A1 (de) * 2019-12-09 2021-06-10 Dr. Johannes Heidenhain Gesellschaft Mit Beschränkter Haftung Optische Positionsmesseinrichtung

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SE379241B (enExample) * 1974-01-15 1975-09-29 Aga Ab
US4263506A (en) 1978-12-21 1981-04-21 Hewlett-Packard Company Pulse generating apparatus
DE3007311C2 (de) 1980-02-27 1985-11-28 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Digitales lichtelektrisches Längen- oder Winkelmeßsystem
DE3204012C1 (de) 1982-02-05 1983-02-03 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Inkrementale Messeinrichtung
DE3536466A1 (de) * 1985-10-12 1987-04-16 Bodenseewerk Geraetetech Nullimpulserzeuger zur erzeugung eines impulses bei erreichen einer vorgegebenen lage eines traegers
DE3616144A1 (de) 1986-05-14 1987-11-19 Heidenhain Gmbh Dr Johannes Fotoelektrische messeinrichtung
US4866268A (en) 1988-05-20 1989-09-12 General Motors Corporation Optical fast synchronization shaft position and speed sensor
US5279044A (en) * 1991-03-12 1994-01-18 U.S. Philips Corporation Measuring device for determining an absolute position of a movable element and scale graduation element suitable for use in such a measuring device
US5274229A (en) * 1991-06-11 1993-12-28 Hewlett-Packard Company Absolute position encoder
US5241172A (en) * 1991-11-04 1993-08-31 Hewlett-Packard Company Variable pitch position encoder
DE4203073C2 (de) 1992-02-04 1994-12-15 Heidenhain Gmbh Dr Johannes Positionsmeßeinrichtung
DE4316221C2 (de) * 1993-05-14 1995-11-23 Heidenhain Gmbh Dr Johannes Positionsmeßeinrichtung
DE59305801D1 (de) 1993-12-08 1997-04-17 Heidenhain Gmbh Dr Johannes Längenmesssystem
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
JP2695623B2 (ja) * 1994-11-25 1998-01-14 株式会社ミツトヨ 光学式エンコーダ
DE19511068A1 (de) 1995-03-25 1996-09-26 Heidenhain Gmbh Dr Johannes Lichtelektrische Positionsmeßeinrichtung
DE19525874A1 (de) 1995-07-15 1997-01-16 Heidenhain Gmbh Dr Johannes Positionsmeßvorrichtung
DE19530560A1 (de) * 1995-08-19 1997-02-20 Ct Fuer Intelligente Sensorik Längen- oder Winkelmeßeinrichtung
DE19726935B4 (de) * 1997-06-25 2014-06-12 Dr. Johannes Heidenhain Gmbh Optische Positionsmeßeinrichtung
EP0896206B1 (de) * 1997-08-07 2002-12-11 Dr. Johannes Heidenhain GmbH Abtasteinheit für eine optische Positionsmesseinrichtung

Also Published As

Publication number Publication date
DE19833439A1 (de) 1999-02-11
EP0896206A3 (de) 1999-03-10
US6392224B1 (en) 2002-05-21
JPH11142114A (ja) 1999-05-28
EP1002219A1 (de) 2000-05-24
DE19830925A1 (de) 1999-02-11
DE59806554D1 (de) 2003-01-16
DE19833439B4 (de) 2014-08-28
US6198534B1 (en) 2001-03-06
EP0896206B1 (de) 2002-12-11
ATE229171T1 (de) 2002-12-15
JP2001512818A (ja) 2001-08-28
ATE229642T1 (de) 2002-12-15
JP4324261B2 (ja) 2009-09-02
EP0896206A2 (de) 1999-02-10
WO1999008074A1 (de) 1999-02-18
EP1002219B1 (de) 2002-12-04

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Legal Events

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8364 No opposition during term of opposition