GB201301186D0 - Optical element - Google Patents

Optical element

Info

Publication number
GB201301186D0
GB201301186D0 GBGB1301186.1A GB201301186A GB201301186D0 GB 201301186 D0 GB201301186 D0 GB 201301186D0 GB 201301186 A GB201301186 A GB 201301186A GB 201301186 D0 GB201301186 D0 GB 201301186D0
Authority
GB
United Kingdom
Prior art keywords
optical element
optical
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
GBGB1301186.1A
Other languages
English (en)
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.)
Renishaw PLC
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
Publication of GB201301186D0 publication Critical patent/GB201301186D0/en
Priority to EP19172096.0A priority Critical patent/EP3564628B1/en
Priority to ES13780378T priority patent/ES2744978T3/es
Priority to EP13780378.9A priority patent/EP2936073B1/en
Priority to US14/651,495 priority patent/US9952068B2/en
Priority to ES19172096T priority patent/ES2909008T3/es
Priority to CN201380072987.1A priority patent/CN105008865B/zh
Priority to JP2015548743A priority patent/JP6563813B2/ja
Priority to PCT/GB2013/052684 priority patent/WO2014096764A1/en
Priority to KR1020157019443A priority patent/KR102128135B1/ko
Priority to US15/925,002 priority patent/US10768026B2/en
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
    • G01D5/36—Forming the light into pulses
    • G01D5/38—Forming the light into pulses by diffraction gratings
    • 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)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
GBGB1301186.1A 2012-12-20 2013-01-23 Optical element Ceased GB201301186D0 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
KR1020157019443A KR102128135B1 (ko) 2012-12-20 2013-10-15 광학 소자
ES19172096T ES2909008T3 (es) 2012-12-20 2013-10-15 Elemento óptico
ES13780378T ES2744978T3 (es) 2012-12-20 2013-10-15 Elemento óptico
EP13780378.9A EP2936073B1 (en) 2012-12-20 2013-10-15 Optical element
US14/651,495 US9952068B2 (en) 2012-12-20 2013-10-15 Optical element
EP19172096.0A EP3564628B1 (en) 2012-12-20 2013-10-15 Optical element
CN201380072987.1A CN105008865B (zh) 2012-12-20 2013-10-15 编码器设备及其读头、光学元件和制造衍射光栅的方法
JP2015548743A JP6563813B2 (ja) 2012-12-20 2013-10-15 光学要素
PCT/GB2013/052684 WO2014096764A1 (en) 2012-12-20 2013-10-15 Optical element
US15/925,002 US10768026B2 (en) 2012-12-20 2018-03-19 Optical element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12250185 2012-12-20

Publications (1)

Publication Number Publication Date
GB201301186D0 true GB201301186D0 (en) 2013-03-06

Family

ID=47713780

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB1301186.1A Ceased GB201301186D0 (en) 2012-12-20 2013-01-23 Optical element

Country Status (8)

Country Link
US (2) US9952068B2 (enExample)
EP (2) EP3564628B1 (enExample)
JP (1) JP6563813B2 (enExample)
KR (1) KR102128135B1 (enExample)
CN (1) CN105008865B (enExample)
ES (2) ES2744978T3 (enExample)
GB (1) GB201301186D0 (enExample)
WO (1) WO2014096764A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6957088B2 (ja) * 2017-04-19 2021-11-02 株式会社ミツトヨ 光学式エンコーダ
CN109141293B (zh) * 2018-08-08 2020-04-24 深圳市银星智能科技股份有限公司 基于结构光的物体测量方法及电子设备
US10979248B1 (en) * 2018-12-26 2021-04-13 Open Invention Network Llc Onboarding a VNF which includes a VNFC composed of manageable software elements
CN111290063A (zh) * 2019-12-23 2020-06-16 南开大学 一种复振幅调制的介质-金属双层超表面
CN113237498A (zh) * 2021-05-13 2021-08-10 华北水利水电大学 一种基于平面变周期透射光栅的光学位移传感系统
EP4484898A1 (en) 2023-06-29 2025-01-01 Renishaw PLC Encoder apparatus
CN118857116B (zh) * 2024-09-24 2025-02-07 杭州隆硕科技有限公司 一种基于光电反射的位移测量方法、装置、设备及介质

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412128C1 (de) 1984-03-31 1985-05-09 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Positionsmesseinrichtung
GB8413955D0 (en) 1984-05-31 1984-07-04 Pa Consulting Services Displacement measuring apparatus
GB8432574D0 (en) 1984-12-22 1985-02-06 Renishaw Plc Opto-electronic scale-reading apparatus
JP2539269B2 (ja) * 1989-07-17 1996-10-02 オークマ株式会社 光学式エンコ―ダ
JP2575935B2 (ja) 1990-07-30 1997-01-29 オークマ株式会社 位置検出装置
US5113286A (en) * 1990-09-27 1992-05-12 At&T Bell Laboratories Diffraction grating apparatus and method of forming a surface relief pattern in diffraction grating apparatus
EP0541827B1 (de) * 1991-11-04 1995-04-12 Dr. Johannes Heidenhain GmbH Vorrichtung zur Erzeugung oberwellenfreier periodischer Signale
DE4436784B4 (de) 1993-10-26 2005-08-18 Carl Zeiss Absolutes Positionsmeßsystem
DE4338680C1 (de) * 1993-11-12 1995-03-23 Heidenhain Gmbh Dr Johannes Längen- oder Winkelmeßeinrichtung
JP2695623B2 (ja) 1994-11-25 1998-01-14 株式会社ミツトヨ 光学式エンコーダ
GB9424969D0 (en) 1994-12-10 1995-02-08 Renishaw Plc Opto-electronic scale reading apparatus
DE19502727A1 (de) * 1995-01-28 1996-08-01 Heidenhain Gmbh Dr Johannes Phasengitter
DE19511068A1 (de) * 1995-03-25 1996-09-26 Heidenhain Gmbh Dr Johannes Lichtelektrische Positionsmeßeinrichtung
JP3215289B2 (ja) * 1995-04-17 2001-10-02 オークマ株式会社 スケール及びエンコーダ
DE19532246A1 (de) 1995-09-01 1997-03-06 Heidenhain Gmbh Dr Johannes Vorrichtung zur Filterung von Oberwellen-Signalanteilen
JP3209914B2 (ja) * 1996-03-19 2001-09-17 オークマ株式会社 光学式エンコーダ
US6094307A (en) * 1996-05-17 2000-07-25 Okuma Corporation Optical grating and encoder
DE19726935B4 (de) 1997-06-25 2014-06-12 Dr. Johannes Heidenhain Gmbh Optische Positionsmeßeinrichtung
EP0896206B1 (de) 1997-08-07 2002-12-11 Dr. Johannes Heidenhain GmbH Abtasteinheit für eine optische Positionsmesseinrichtung
US6723980B2 (en) 2001-07-16 2004-04-20 Wai-Hon Lee Position sensor with grating to detect moving object with periodic pattern
DE10347604A1 (de) 2003-10-14 2005-05-12 Heidenhain Gmbh Dr Johannes Optische Positionsmesseinrichtung
GB0413710D0 (en) 2004-06-21 2004-07-21 Renishaw Plc Scale reading apparatus
GB0613902D0 (en) * 2006-07-13 2006-08-23 Renishaw Plc Scale and readhead
WO2008110239A1 (en) * 2007-03-15 2008-09-18 Carl Zeiss Smt Ag Diffractive component, interferometer arrangement, method for qualifying a dual diffraction grating, method of manufacturing an optical element, and interferometric method
JP5011201B2 (ja) 2008-05-01 2012-08-29 株式会社ミツトヨ 絶対位置測長型エンコーダ
ES2758525T3 (es) 2008-12-17 2020-05-05 Fagor Automation S Coop Encoder de posición absoluta
ITMI20110562A1 (it) 2011-04-06 2012-10-07 Comelz Spa Procedimento e dispositivo di rilevamento di posizione di un organo trasportatore.

Also Published As

Publication number Publication date
ES2744978T3 (es) 2020-02-27
JP6563813B2 (ja) 2019-08-21
US10768026B2 (en) 2020-09-08
JP2016506516A (ja) 2016-03-03
WO2014096764A1 (en) 2014-06-26
CN105008865A (zh) 2015-10-28
CN105008865B (zh) 2017-10-20
KR102128135B1 (ko) 2020-06-29
US9952068B2 (en) 2018-04-24
EP2936073A1 (en) 2015-10-28
ES2909008T3 (es) 2022-05-04
EP3564628B1 (en) 2022-02-16
EP3564628A1 (en) 2019-11-06
US20180209824A1 (en) 2018-07-26
KR20150097738A (ko) 2015-08-26
US20150308865A1 (en) 2015-10-29
EP2936073B1 (en) 2019-06-12

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)