ATE498825T1 - Lesekopf für ein optisches positionsmessgerät - Google Patents

Lesekopf für ein optisches positionsmessgerät

Info

Publication number
ATE498825T1
ATE498825T1 AT09382027T AT09382027T ATE498825T1 AT E498825 T1 ATE498825 T1 AT E498825T1 AT 09382027 T AT09382027 T AT 09382027T AT 09382027 T AT09382027 T AT 09382027T AT E498825 T1 ATE498825 T1 AT E498825T1
Authority
AT
Austria
Prior art keywords
grating
scale
period
measuring device
position measuring
Prior art date
Application number
AT09382027T
Other languages
English (en)
Inventor
Calvo Tomas Morlanes
La Pena Azarola Jose Luis De
Gonzalez Jose Emilio Oti
Original Assignee
Fagor S Coop
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 Fagor S Coop filed Critical Fagor S Coop
Application granted granted Critical
Publication of ATE498825T1 publication Critical patent/ATE498825T1/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)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Mechanical Optical Scanning Systems (AREA)
AT09382027T 2009-03-02 2009-03-02 Lesekopf für ein optisches positionsmessgerät ATE498825T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09382027A EP2226613B1 (de) 2009-03-02 2009-03-02 Lesekopf für ein optisches Positionsmessgerät

Publications (1)

Publication Number Publication Date
ATE498825T1 true ATE498825T1 (de) 2011-03-15

Family

ID=40845721

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09382027T ATE498825T1 (de) 2009-03-02 2009-03-02 Lesekopf für ein optisches positionsmessgerät

Country Status (5)

Country Link
EP (1) EP2226613B1 (de)
CN (1) CN101825482B (de)
AT (1) ATE498825T1 (de)
DE (1) DE602009000745D1 (de)
ES (1) ES2357016T3 (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57157118A (en) * 1981-03-24 1982-09-28 Mitsutoyo Mfg Co Ltd Photoelectric type displacement detecting device
DE3322738C1 (de) * 1983-06-24 1984-10-18 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Lichtelektrische Längen- oder Winkelmeßeinrichtung
GB8432574D0 (en) 1984-12-22 1985-02-06 Renishaw Plc Opto-electronic scale-reading apparatus
GB9023659D0 (en) * 1990-10-31 1990-12-12 Renishaw Plc Opto-electronic scale reading apparatus
GB9424969D0 (en) * 1994-12-10 1995-02-08 Renishaw Plc Opto-electronic scale reading apparatus
US7064842B1 (en) * 1999-01-13 2006-06-20 Olympus Optical Co., Ltd. Optical displacement sensor and optical encoder
JP4416544B2 (ja) * 2004-03-12 2010-02-17 株式会社ミツトヨ 光学式変位測定装置
EP1722200B1 (de) 2005-05-13 2008-02-13 FAGOR, S.Coop Optoelektronische Messeinrichtung
US7342515B2 (en) 2005-10-12 2008-03-11 Honeywell International, Inc. Hybrid centered head-down aircraft attitude display and method for calculating displayed drift angle limit
ES2360226T3 (es) * 2005-10-13 2011-06-02 Fagor, S.Coop. Unidad de referencia para un dispositivo optoelectrónico de medida.

Also Published As

Publication number Publication date
DE602009000745D1 (de) 2011-03-31
ES2357016T3 (es) 2011-04-15
EP2226613A1 (de) 2010-09-08
CN101825482B (zh) 2012-06-13
CN101825482A (zh) 2010-09-08
EP2226613B1 (de) 2011-02-16

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Legal Events

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