WO2014006187A3 - Verfahren zum erfassen einer absolutcodierung einer optischen codespur - Google Patents

Verfahren zum erfassen einer absolutcodierung einer optischen codespur Download PDF

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Publication number
WO2014006187A3
WO2014006187A3 PCT/EP2013/064268 EP2013064268W WO2014006187A3 WO 2014006187 A3 WO2014006187 A3 WO 2014006187A3 EP 2013064268 W EP2013064268 W EP 2013064268W WO 2014006187 A3 WO2014006187 A3 WO 2014006187A3
Authority
WO
WIPO (PCT)
Prior art keywords
coding
track
optical
absolute coding
determining absolute
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.)
Ceased
Application number
PCT/EP2013/064268
Other languages
English (en)
French (fr)
Other versions
WO2014006187A2 (de
Inventor
Urs Vokinger
Heinz Lippuner
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.)
Hexagon Technology Center GmbH
Original Assignee
Hexagon Technology Center 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 Hexagon Technology Center GmbH filed Critical Hexagon Technology Center GmbH
Priority to CN201380035884.8A priority Critical patent/CN104412070B/zh
Priority to US14/412,670 priority patent/US9823097B2/en
Priority to EP13735009.6A priority patent/EP2870431B1/de
Publication of WO2014006187A2 publication Critical patent/WO2014006187A2/de
Publication of WO2014006187A3 publication Critical patent/WO2014006187A3/de
Anticipated expiration legal-status Critical
Ceased 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
    • G01D5/347—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 using displacement encoding scales
    • G01D5/34776—Absolute encoders with analogue or digital scales
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zum Erfassen einer Absolutcodierung (10), verkörpert durch Codeelemente (100, 100') einer optischen Codespur (1), mit einem Beleuchten der Absolutcodierung (10) mit Licht (21), einem Modulieren eines Teil des beleuchtenden Lichts (21) an Codeelementen (100, 100'), einem Erfassen der Absolutcodierung (10) als moduliertes Licht (21') und einem kontinuierlich variierenden Modulieren des Lichts (21) an benachbarten Codeelementen (100, 100').
PCT/EP2013/064268 2012-07-05 2013-07-05 Verfahren zum erfassen einer absolutcodierung einer optischen codespur Ceased WO2014006187A2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201380035884.8A CN104412070B (zh) 2012-07-05 2013-07-05 记录编码的方法和系统、实施编码的轨道及轨道制作方法
US14/412,670 US9823097B2 (en) 2012-07-05 2013-07-05 Method for determining absolute coding of an optical coding track
EP13735009.6A EP2870431B1 (de) 2012-07-05 2013-07-05 Verfahren zum erfassen einer absolutcodierung einer optischen codespur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12175130.9 2012-07-05
EP12175130.9A EP2682718A1 (de) 2012-07-05 2012-07-05 Verfahren zum Erfassen einer Absolutcodierung einer optischen Codespur

Publications (2)

Publication Number Publication Date
WO2014006187A2 WO2014006187A2 (de) 2014-01-09
WO2014006187A3 true WO2014006187A3 (de) 2014-04-10

Family

ID=48771428

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/064268 Ceased WO2014006187A2 (de) 2012-07-05 2013-07-05 Verfahren zum erfassen einer absolutcodierung einer optischen codespur

Country Status (4)

Country Link
US (1) US9823097B2 (de)
EP (2) EP2682718A1 (de)
CN (1) CN104412070B (de)
WO (1) WO2014006187A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2908098B1 (de) 2014-02-18 2016-11-30 Hexagon Technology Center GmbH Lineargeber mit Kalibrierfunktionalität

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD201500A1 (de) * 1981-10-23 1983-07-20 Woschni Hans Guenter Verfahren zur bestimmung der lage einer optisch wirksamen struktur
SU1246372A1 (ru) * 1984-11-27 1986-07-23 Институт радиофизики и электроники АН АрмССР Преобразователь угла поворота вала в код
US4931636A (en) * 1988-08-26 1990-06-05 The Boeing Company Two wavelength optical sensor and sensing system
US4964727A (en) * 1988-11-23 1990-10-23 The Boeing Company Multi-track analog optical sensing system and method
WO1992004776A1 (en) * 1990-08-31 1992-03-19 The Boeing Company Multitrack multilevel sensing system
WO1999000645A1 (de) * 1997-06-28 1999-01-07 Leopold Kostal Gmbh & Co. Kg Verfahren zum bestimmen der absoluten winkelstellung des lenkrades eines kraftfahrzeuges sowie optoelektronischer lenkwinkelsensor
WO2001061280A1 (de) * 2000-02-15 2001-08-23 Leopold Kostal Gmbh & Co. Kg Codescheibe für eine optoelektronische weg- oder winkelmesseinrichtung
EP1890113A1 (de) * 2006-08-18 2008-02-20 Leica Geosystems AG Optoelektronischer winkelsensor und verfahren zum bestimmen eines drehwinkels um eine achse

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7078677B2 (en) * 2004-01-21 2006-07-18 Chee Keong Chong Optical encoder disk having a region that continuously increases in size
CN102686982B (zh) 2009-11-26 2015-05-06 莱卡地球系统公开股份有限公司 用于角度测量设备的角度测量方法和校准方法以及角度测量设备
US8309906B2 (en) * 2010-06-10 2012-11-13 Mitutoyo Corporation Absolute optical encoder with long range intensity modulation on scale

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD201500A1 (de) * 1981-10-23 1983-07-20 Woschni Hans Guenter Verfahren zur bestimmung der lage einer optisch wirksamen struktur
SU1246372A1 (ru) * 1984-11-27 1986-07-23 Институт радиофизики и электроники АН АрмССР Преобразователь угла поворота вала в код
US4931636A (en) * 1988-08-26 1990-06-05 The Boeing Company Two wavelength optical sensor and sensing system
US4964727A (en) * 1988-11-23 1990-10-23 The Boeing Company Multi-track analog optical sensing system and method
WO1992004776A1 (en) * 1990-08-31 1992-03-19 The Boeing Company Multitrack multilevel sensing system
WO1999000645A1 (de) * 1997-06-28 1999-01-07 Leopold Kostal Gmbh & Co. Kg Verfahren zum bestimmen der absoluten winkelstellung des lenkrades eines kraftfahrzeuges sowie optoelektronischer lenkwinkelsensor
WO2001061280A1 (de) * 2000-02-15 2001-08-23 Leopold Kostal Gmbh & Co. Kg Codescheibe für eine optoelektronische weg- oder winkelmesseinrichtung
EP1890113A1 (de) * 2006-08-18 2008-02-20 Leica Geosystems AG Optoelektronischer winkelsensor und verfahren zum bestimmen eines drehwinkels um eine achse

Also Published As

Publication number Publication date
WO2014006187A2 (de) 2014-01-09
US9823097B2 (en) 2017-11-21
EP2870431A2 (de) 2015-05-13
EP2682718A1 (de) 2014-01-08
CN104412070A (zh) 2015-03-11
CN104412070B (zh) 2017-06-06
US20150144775A1 (en) 2015-05-28
EP2870431B1 (de) 2016-09-07

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