ATE477476T1 - Optisches system zur positionsschnellmessung eines körpers in bewegung - Google Patents

Optisches system zur positionsschnellmessung eines körpers in bewegung

Info

Publication number
ATE477476T1
ATE477476T1 AT08305661T AT08305661T ATE477476T1 AT E477476 T1 ATE477476 T1 AT E477476T1 AT 08305661 T AT08305661 T AT 08305661T AT 08305661 T AT08305661 T AT 08305661T AT E477476 T1 ATE477476 T1 AT E477476T1
Authority
AT
Austria
Prior art keywords
optical code
optical system
moving body
position measurement
luminous spots
Prior art date
Application number
AT08305661T
Other languages
English (en)
Inventor
Mandiaye Ndao
Laurent Tupinier
Original Assignee
Delphi Tech 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
Application filed by Delphi Tech Inc filed Critical Delphi Tech Inc
Application granted granted Critical
Publication of ATE477476T1 publication Critical patent/ATE477476T1/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
AT08305661T 2008-10-09 2008-10-09 Optisches system zur positionsschnellmessung eines körpers in bewegung ATE477476T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08305661A EP2175245B1 (de) 2008-10-09 2008-10-09 Optisches System zur Positionsschnellmessung eines Körpers in Bewegung

Publications (1)

Publication Number Publication Date
ATE477476T1 true ATE477476T1 (de) 2010-08-15

Family

ID=40834300

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08305661T ATE477476T1 (de) 2008-10-09 2008-10-09 Optisches system zur positionsschnellmessung eines körpers in bewegung

Country Status (3)

Country Link
EP (1) EP2175245B1 (de)
AT (1) ATE477476T1 (de)
DE (1) DE602008002156D1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210525B (en) * 1987-09-30 1991-11-20 Okuma Machinery Works Ltd Optical encoder
US6906315B2 (en) * 2002-07-16 2005-06-14 Mitutoyo Corporation High accuracy miniature grating encoder readhead using fiber optic receiver channels
JP4658452B2 (ja) * 2003-02-07 2011-03-23 オリンパス株式会社 光学式エンコーダ
US7186969B2 (en) * 2003-02-12 2007-03-06 Mitutoyo Corporation Optical configuration for imaging-type optical encoders

Also Published As

Publication number Publication date
DE602008002156D1 (de) 2010-09-23
EP2175245A1 (de) 2010-04-14
EP2175245B1 (de) 2010-08-11

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Legal Events

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