CN105814408B - 编码器设备和编码器读头 - Google Patents

编码器设备和编码器读头 Download PDF

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Publication number
CN105814408B
CN105814408B CN201480065266.2A CN201480065266A CN105814408B CN 105814408 B CN105814408 B CN 105814408B CN 201480065266 A CN201480065266 A CN 201480065266A CN 105814408 B CN105814408 B CN 105814408B
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China
Prior art keywords
scale
light
light source
readhead
encoder device
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CN201480065266.2A
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English (en)
Chinese (zh)
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CN105814408A (zh
Inventor
西蒙·艾略特·麦克亚当
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Renishaw PLC
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Renishaw PLC
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    • 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
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
    • 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
    • G01D5/12—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 using electric or magnetic means
    • G01D5/244—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • G01D5/2454—Encoders incorporating incremental and absolute signals
    • G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
    • G01D5/2457—Incremental encoders having reference marks
    • 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
    • G01D5/36—Forming the light into pulses
    • G01D5/38—Forming the light into pulses by diffraction gratings

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
CN201480065266.2A 2013-10-01 2014-09-26 编码器设备和编码器读头 Active CN105814408B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13275238.7 2013-10-01
EP13275238 2013-10-01
PCT/EP2014/070617 WO2015049174A1 (en) 2013-10-01 2014-09-26 Measurement encoder

Publications (2)

Publication Number Publication Date
CN105814408A CN105814408A (zh) 2016-07-27
CN105814408B true CN105814408B (zh) 2018-06-12

Family

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Family Applications (1)

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CN201480065266.2A Active CN105814408B (zh) 2013-10-01 2014-09-26 编码器设备和编码器读头

Country Status (5)

Country Link
US (1) US10823587B2 (enExample)
EP (1) EP3052897B1 (enExample)
JP (1) JP7032045B2 (enExample)
CN (1) CN105814408B (enExample)
WO (1) WO2015049174A1 (enExample)

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CN105723179B (zh) * 2013-10-18 2019-05-31 上海交通大学 主动式位置编码器及其操作方法
DE102014209004A1 (de) * 2014-05-13 2015-11-19 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
WO2016174433A1 (en) 2015-04-29 2016-11-03 Renishaw Plc Method of determining sub-divisional error
WO2017042570A1 (en) 2015-09-09 2017-03-16 Renishaw Plc Encoder apparatus
US10295378B2 (en) * 2017-06-29 2019-05-21 Mitutoyo Corporation Contamination and defect resistant optical encoder configuration outputting structured illumination to a scale plane for providing displacement signals
JP7114371B2 (ja) * 2018-07-03 2022-08-08 株式会社ミツトヨ 光電式エンコーダの信号処理方法
EP3623769A1 (en) 2018-09-12 2020-03-18 Renishaw PLC Measurement device
JP7120200B2 (ja) * 2019-10-15 2022-08-17 株式会社デンソー 回転角検出装置
WO2022044753A1 (ja) * 2020-08-25 2022-03-03 パナソニックＩｐマネジメント株式会社 エンコーダ
US11828629B2 (en) * 2021-05-28 2023-11-28 Pixart Imaging (Penang) Sdn. Bhd. Multi-track optical encoder
WO2024134155A1 (en) * 2022-12-20 2024-06-27 Renishaw Plc Encoder apparatus
EP4390328A1 (en) * 2022-12-21 2024-06-26 Renishaw plc Encoder apparatus

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US3586665A (en) * 1969-04-26 1971-06-22 Zeiss Stiftung Apparatus for producing phase-shifted electric signals
CN87106274A (zh) * 1986-08-15 1988-02-24 株式会社三丰制作所 光学式位移检测装置
US4792679A (en) * 1986-02-07 1988-12-20 Saphirwerk Industrie Produkte Apparatus for incremental length measurement having an inclined slot over the light source
EP0350586A2 (de) * 1988-07-09 1990-01-17 Dr. Johannes Heidenhain GmbH Lichtelektrische Positionsmesseinrichtung
CN1061090A (zh) * 1990-10-25 1992-05-13 刘光万 采用光传感方式的位移检测方法及装置
US20030076507A1 (en) * 2001-10-23 2003-04-24 Olympus Optical Co., Ltd. Optical encoder
CN1896695A (zh) * 2005-06-20 2007-01-17 三丰株式会社 用于成像型光学编码器的照明结构

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JPH01173829U (enExample) 1988-05-13 1989-12-11
JP2586121B2 (ja) 1988-09-30 1997-02-26 キヤノン株式会社 ロータリーエンコーダの原点検出系
JPH0313901A (ja) 1989-06-13 1991-01-22 Mitsubishi Electric Corp 発光ダイオード
JPH03128418A (ja) 1989-07-20 1991-05-31 Yokogawa Electric Corp 光学式エンコーダ
JP2670457B2 (ja) 1989-09-29 1997-10-29 キヤノン株式会社 零点位置検出装置
JP3530573B2 (ja) 1994-04-27 2004-05-24 キヤノン株式会社 光学式変位センサ
GB9424969D0 (en) 1994-12-10 1995-02-08 Renishaw Plc Opto-electronic scale reading apparatus
JP3471971B2 (ja) * 1995-05-10 2003-12-02 キヤノン株式会社 複合型のロータリーエンコーダ
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Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3586665A (en) * 1969-04-26 1971-06-22 Zeiss Stiftung Apparatus for producing phase-shifted electric signals
US4792679A (en) * 1986-02-07 1988-12-20 Saphirwerk Industrie Produkte Apparatus for incremental length measurement having an inclined slot over the light source
CN87106274A (zh) * 1986-08-15 1988-02-24 株式会社三丰制作所 光学式位移检测装置
EP0350586A2 (de) * 1988-07-09 1990-01-17 Dr. Johannes Heidenhain GmbH Lichtelektrische Positionsmesseinrichtung
CN1061090A (zh) * 1990-10-25 1992-05-13 刘光万 采用光传感方式的位移检测方法及装置
US20030076507A1 (en) * 2001-10-23 2003-04-24 Olympus Optical Co., Ltd. Optical encoder
CN1896695A (zh) * 2005-06-20 2007-01-17 三丰株式会社 用于成像型光学编码器的照明结构

Also Published As

Publication number Publication date
EP3052897A1 (en) 2016-08-10
WO2015049174A1 (en) 2015-04-09
JP2016532095A (ja) 2016-10-13
US20160245673A1 (en) 2016-08-25
CN105814408A (zh) 2016-07-27
EP3052897B1 (en) 2019-07-17
US10823587B2 (en) 2020-11-03
JP7032045B2 (ja) 2022-03-08

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