ATE496282T1 - Scale- und readhead-system - Google Patents

Scale- und readhead-system

Info

Publication number
ATE496282T1
ATE496282T1 AT06808419T AT06808419T ATE496282T1 AT E496282 T1 ATE496282 T1 AT E496282T1 AT 06808419 T AT06808419 T AT 06808419T AT 06808419 T AT06808419 T AT 06808419T AT E496282 T1 ATE496282 T1 AT E496282T1
Authority
AT
Austria
Prior art keywords
scale
incremental
readhead
detector
output signal
Prior art date
Application number
AT06808419T
Other languages
English (en)
Inventor
Colin Howley
Original Assignee
Renishaw Plc
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 Renishaw Plc filed Critical Renishaw Plc
Application granted granted Critical
Publication of ATE496282T1 publication Critical patent/ATE496282T1/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
    • G01D5/366—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
    • G01D5/26—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
    • G01D5/34784—Absolute encoders with analogue or digital scales with only analogue scales or both analogue and incremental scales

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Vehicle Body Suspensions (AREA)
  • Television Signal Processing For Recording (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Magnetic Heads (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
AT06808419T 2005-11-07 2006-11-06 Scale- und readhead-system ATE496282T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0522651.9A GB0522651D0 (en) 2005-11-07 2005-11-07 Scale and readhead system
PCT/GB2006/004122 WO2007052052A1 (en) 2005-11-07 2006-11-06 Scale and readhead system

Publications (1)

Publication Number Publication Date
ATE496282T1 true ATE496282T1 (de) 2011-02-15

Family

ID=35516453

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06808419T ATE496282T1 (de) 2005-11-07 2006-11-06 Scale- und readhead-system

Country Status (9)

Country Link
US (1) US7624513B2 (de)
EP (1) EP1946048B1 (de)
JP (1) JP5017275B2 (de)
CN (1) CN101300463B (de)
AT (1) ATE496282T1 (de)
DE (1) DE602006019765D1 (de)
ES (1) ES2359941T3 (de)
GB (1) GB0522651D0 (de)
WO (1) WO2007052052A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5747342B2 (ja) * 2010-11-15 2015-07-15 セイコーＮｐｃ株式会社 光学式エンコーダ
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
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
JP7153997B2 (ja) 2013-10-01 2022-10-17 レニショウ パブリック リミテッド カンパニー 基準マーク検出器配列
JP7032045B2 (ja) 2013-10-01 2022-03-08 レニショウ パブリック リミテッド カンパニー 測定エンコーダ
US20160258783A1 (en) * 2013-11-05 2016-09-08 Renishaw Plc Position measurement encoder calibration
WO2015078860A1 (en) 2013-11-26 2015-06-04 Renishaw Plc Metrological scale
US20190301900A1 (en) * 2016-05-25 2019-10-03 Renishaw Plc Adaptive reference mark detection process
JP7705815B2 (ja) * 2022-03-03 2025-07-10 住友重機械工業株式会社 測位装置、駆動装置、測位方法、測位プログラム

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168911A (en) * 1975-05-07 1979-09-25 Diffracto, Ltd. Diffractographic and other sensors utilizing diffraction waves
JPS5385449A (en) * 1977-01-05 1978-07-27 Meidensha Electric Mfg Co Ltd Zero point detecting system
JPS5648501A (en) * 1979-09-28 1981-05-01 Sumitomo Electric Ind Ltd Length measuring device
DE3018496A1 (de) * 1980-05-14 1981-11-19 Walter Dipl.-Ing. Dr.-Ing. 8012 Ottobrunn Mehnert Verfahren und vorrichtung zur messung eines winkels
EP0843159A3 (de) 1991-11-06 1999-06-02 Renishaw Transducer Systems Limited Opto-elektronischer Skalenableseapparat
GB9605278D0 (en) * 1996-03-13 1996-05-15 Renishaw Plc Opto-electronic scale reading apparatus
US5844814A (en) * 1996-09-27 1998-12-01 International Business Machines Corporation Optical position sensing device and method for sub-micron measurement
DE19754595B4 (de) 1997-12-10 2011-06-01 Dr. Johannes Heidenhain Gmbh Lichtelektrische Positionsmeßeinrichtung
CN1144063C (zh) * 1998-03-09 2004-03-31 葛莱特有限公司 光学平移测量
US6029363A (en) * 1998-04-03 2000-02-29 Mitutoyo Corporation Self-calibrating position transducer system and method
DE59906848D1 (de) * 1998-12-03 2003-10-09 Schneeberger Holding Ag Roggwi Markierungsverfahren von Messspuren
GB0103582D0 (en) * 2001-02-14 2001-03-28 Renishaw Plc Position determination system
US6922907B2 (en) * 2001-04-05 2005-08-02 Anton Rodi Measuring system for recording absolute angular or position values
JP4274751B2 (ja) * 2001-07-03 2009-06-10 オリンパス株式会社 エンコーダ
JP3912779B2 (ja) * 2002-05-08 2007-05-09 松下電器産業株式会社 磁気式位置検出装置
JP4265929B2 (ja) * 2003-05-20 2009-05-20 株式会社ミツトヨ 変位測定装置
GB0413827D0 (en) * 2004-06-21 2004-07-21 Renishaw Plc Scale reading apparatus
GB0523273D0 (en) * 2005-11-16 2005-12-21 Renishaw Plc Scale and readhead apparatus and method

Also Published As

Publication number Publication date
ES2359941T3 (es) 2011-05-30
CN101300463A (zh) 2008-11-05
WO2007052052A1 (en) 2007-05-10
US20090064524A1 (en) 2009-03-12
JP2009515182A (ja) 2009-04-09
EP1946048B1 (de) 2011-01-19
DE602006019765D1 (en) 2011-03-03
CN101300463B (zh) 2010-08-25
GB0522651D0 (en) 2005-12-14
EP1946048A1 (de) 2008-07-23
JP5017275B2 (ja) 2012-09-05
US7624513B2 (en) 2009-12-01

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Legal Events

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