ATE395578T1 - Positionsbestimmungssystem - Google Patents

Positionsbestimmungssystem

Info

Publication number
ATE395578T1
ATE395578T1 AT02712070T AT02712070T ATE395578T1 AT E395578 T1 ATE395578 T1 AT E395578T1 AT 02712070 T AT02712070 T AT 02712070T AT 02712070 T AT02712070 T AT 02712070T AT E395578 T1 ATE395578 T1 AT E395578T1
Authority
AT
Austria
Prior art keywords
light
position determination
apertures
mask
patterns
Prior art date
Application number
AT02712070T
Other languages
German (de)
English (en)
Inventor
Michael Homer
Alan James Holloway
Iain Robert Gordon-Ingram
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 ATE395578T1 publication Critical patent/ATE395578T1/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Vehicle Body Suspensions (AREA)
  • Paper (AREA)
  • Body Structure For Vehicles (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
AT02712070T 2001-02-14 2002-02-14 Positionsbestimmungssystem ATE395578T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0103582.3A GB0103582D0 (en) 2001-02-14 2001-02-14 Position determination system

Publications (1)

Publication Number Publication Date
ATE395578T1 true ATE395578T1 (de) 2008-05-15

Family

ID=9908684

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02712070T ATE395578T1 (de) 2001-02-14 2002-02-14 Positionsbestimmungssystem

Country Status (7)

Country Link
US (1) US7141780B2 (cg-RX-API-DMAC10.html)
EP (1) EP1360461B1 (cg-RX-API-DMAC10.html)
JP (1) JP4119254B2 (cg-RX-API-DMAC10.html)
AT (1) ATE395578T1 (cg-RX-API-DMAC10.html)
DE (1) DE60226576D1 (cg-RX-API-DMAC10.html)
GB (1) GB0103582D0 (cg-RX-API-DMAC10.html)
WO (1) WO2002065061A1 (cg-RX-API-DMAC10.html)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10309679B4 (de) * 2003-02-27 2014-05-22 Dr. Johannes Heidenhain Gmbh Abtasteinheit zum Abtasten einer Maßverkörperung
GB0316921D0 (en) 2003-07-19 2003-08-27 Renishaw Plc Reader for a scale marking
DE102004011911A1 (de) * 2004-03-11 2005-11-10 Sick Ag Sendeelement für Lichtschranken, Lichtgitter und dergleichen
GB0413710D0 (en) * 2004-06-21 2004-07-21 Renishaw Plc Scale reading apparatus
DE102005006247A1 (de) 2005-02-11 2006-08-17 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
JP4869628B2 (ja) * 2005-05-26 2012-02-08 オリンパス株式会社 光学式エンコーダ
GB0522651D0 (en) 2005-11-07 2005-12-14 Renishaw Plc Scale and readhead system
GB0523273D0 (en) 2005-11-16 2005-12-21 Renishaw Plc Scale and readhead apparatus and method
GB0601174D0 (en) 2006-01-20 2006-03-01 Renishaw Plc Multiple readhead apparatus
GB0608812D0 (en) 2006-05-04 2006-06-14 Renishaw Plc Rotary encoder apparatus
EP1862774B1 (fr) * 2006-05-31 2015-07-29 Delphi Technologies, Inc. Optical multiturn rotational encoder
KR101107904B1 (ko) * 2006-08-21 2012-01-25 지에스아이 그룹 코포레이션 회전식 광학적 위치 인코더, 서보 모터 어셈블리, 서보-제어 검류계 및 레이저 시스템
JP2008292352A (ja) 2007-05-25 2008-12-04 Mitsutoyo Corp 反射型エンコーダ
WO2010025365A2 (en) 2008-08-28 2010-03-04 Faro Technologies, Inc. Indexed optical encoder, method for indexing an optical encoder, and method for dynamically adjusting gain and offset in an optical encoder
JP5562076B2 (ja) * 2010-03-10 2014-07-30 キヤノン株式会社 光学式エンコーダおよび変位計測装置
DE102011082570A1 (de) * 2011-09-13 2013-03-14 Dr. Johannes Heidenhain Gmbh Rotatorische Positionsmesseinrichtung
EP3052896A1 (en) 2013-10-01 2016-08-10 Renishaw Plc. Position measurement encoder
US10281301B2 (en) 2013-10-01 2019-05-07 Renishaw Plc Reference mark detector arrangement
JP2018513385A (ja) 2015-04-22 2018-05-24 ファロ テクノロジーズ インコーポレーテッド 指標付き光学エンコーダ
US20170189123A1 (en) * 2016-01-06 2017-07-06 Biosense Webster (Israel) Ltd. Optical Registration of Rotary Sinuplasty Cutter
JP6744066B2 (ja) 2016-03-25 2020-08-19 株式会社ミツトヨ 光電式エンコーダ
EP3623769A1 (en) * 2018-09-12 2020-03-18 Renishaw PLC Measurement device
JP7391527B2 (ja) * 2019-04-03 2023-12-05 株式会社ミツトヨ 光電式エンコーダ
JP7475973B2 (ja) * 2020-06-08 2024-04-30 キヤノン株式会社 光学式エンコーダ及び制御装置
WO2024134156A1 (en) 2022-12-20 2024-06-27 Renishaw Plc Encoder apparatus
EP4390328A1 (en) 2022-12-21 2024-06-26 Renishaw plc Encoder apparatus

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1933254C3 (de) 1969-07-01 1979-08-16 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Inkrementales Längen- oder Winkelmeßsystem
GB1302762A (cg-RX-API-DMAC10.html) 1970-02-06 1973-01-10
DE3562948D1 (en) * 1984-04-21 1988-06-30 Heidenhain Gmbh Dr Johannes Position-measuring device
GB8432574D0 (en) 1984-12-22 1985-02-06 Renishaw Plc Opto-electronic scale-reading apparatus
DE3526206A1 (de) * 1985-07-23 1987-02-05 Heidenhain Gmbh Dr Johannes Wegmesseinrichtung
IN168444B (cg-RX-API-DMAC10.html) * 1986-08-15 1991-04-06 Mitutoyo Mfg Co Ltd
JPS6474414A (en) * 1987-09-16 1989-03-20 Mitutoyo Corp Optical displacement detector
US5073710A (en) * 1989-09-21 1991-12-17 Copal Company Limited Optical displacement detector including a displacement member's surface having a diffractive pattern and a holographic lens pattern
EP0543513B2 (en) * 1991-11-06 2007-10-24 Renishaw Transducer Systems Limited Opto-electronic scale-reading apparatus
DE19726935B4 (de) * 1997-06-25 2014-06-12 Dr. Johannes Heidenhain Gmbh Optische Positionsmeßeinrichtung
AT410485B (de) * 1997-07-30 2003-05-26 Rsf Elektronik Gmbh Positionsmesseinrichtung
DE19754595B4 (de) * 1997-12-10 2011-06-01 Dr. Johannes Heidenhain Gmbh Lichtelektrische Positionsmeßeinrichtung
JP3506613B2 (ja) * 1998-09-21 2004-03-15 株式会社ミツトヨ 原点検出方式
US6175109B1 (en) 1998-12-16 2001-01-16 Renco Encoders, Inc. Encoder for providing incremental and absolute position data
DE19859669A1 (de) * 1998-12-23 2000-06-29 Heidenhain Gmbh Dr Johannes Integrierter optoelektronischer Sensor und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
JP2004520591A (ja) 2004-07-08
DE60226576D1 (de) 2008-06-26
WO2002065061A1 (en) 2002-08-22
EP1360461B1 (en) 2008-05-14
EP1360461A1 (en) 2003-11-12
JP4119254B2 (ja) 2008-07-16
US20040036016A1 (en) 2004-02-26
US7141780B2 (en) 2006-11-28
GB0103582D0 (en) 2001-03-28

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties