KR102507084B1 - 앱솔루트 인코더 - Google Patents

앱솔루트 인코더 Download PDF

Info

Publication number
KR102507084B1
KR102507084B1 KR1020227030014A KR20227030014A KR102507084B1 KR 102507084 B1 KR102507084 B1 KR 102507084B1 KR 1020227030014 A KR1020227030014 A KR 1020227030014A KR 20227030014 A KR20227030014 A KR 20227030014A KR 102507084 B1 KR102507084 B1 KR 102507084B1
Authority
KR
South Korea
Prior art keywords
absolute
image sensor
scale
absolute position
digital signal
Prior art date
Application number
KR1020227030014A
Other languages
English (en)
Korean (ko)
Other versions
KR20220123761A (ko
Inventor
야스히로 기타야마
아키히코 히구치
도시오 메카타
마사시 오쿠마
Original Assignee
미쓰비시덴키 가부시키가이샤
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 미쓰비시덴키 가부시키가이샤 filed Critical 미쓰비시덴키 가부시키가이샤
Publication of KR20220123761A publication Critical patent/KR20220123761A/ko
Application granted granted Critical
Publication of KR102507084B1 publication Critical patent/KR102507084B1/ko

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/347Mechanical 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
    • G01D5/34776Absolute encoders with analogue or digital scales
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/347Mechanical 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/347Mechanical 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
    • G01D5/34707Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715Scale reading or illumination devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/36Forming the light into pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Analogue/Digital Conversion (AREA)
KR1020227030014A 2020-08-31 2020-08-31 앱솔루트 인코더 KR102507084B1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/032886 WO2022044323A1 (ja) 2020-08-31 2020-08-31 アブソリュートエンコーダ

Publications (2)

Publication Number Publication Date
KR20220123761A KR20220123761A (ko) 2022-09-08
KR102507084B1 true KR102507084B1 (ko) 2023-03-07

Family

ID=75638858

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227030014A KR102507084B1 (ko) 2020-08-31 2020-08-31 앱솔루트 인코더

Country Status (5)

Country Link
JP (1) JP6865915B1 (zh)
KR (1) KR102507084B1 (zh)
CN (1) CN115210538B (zh)
TW (2) TWI800870B (zh)
WO (1) WO2022044323A1 (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006170788A (ja) * 2004-12-15 2006-06-29 Canon Inc 光学式エンコーダ
JP2011145118A (ja) * 2010-01-13 2011-07-28 Mitsubishi Electric Corp 反射型光学式エンコーダ
JP2015137955A (ja) * 2014-01-23 2015-07-30 三菱電機株式会社 アブソリュートエンコーダ
JP2016014574A (ja) * 2014-07-01 2016-01-28 キヤノン株式会社 アブソリュートエンコーダ

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02145917A (ja) * 1988-07-13 1990-06-05 Furuno Electric Co Ltd ロータリーエンコーダ
DE4208918A1 (de) * 1992-03-20 1993-09-23 Siemens Ag Dreh- oder linearpositionsgebereinrichtung fuer ein bewegliches geraeteteil
DE102008053985A1 (de) * 2008-10-30 2010-05-06 Dr. Johannes Heidenhain Gmbh Absolute Winkelcodierung und Winkelmessvorrichtung
WO2012029927A1 (ja) * 2010-09-02 2012-03-08 株式会社安川電機 エンコーダ、サーボモータ、及びモータユニット
JP5787513B2 (ja) 2010-12-15 2015-09-30 キヤノン株式会社 アブソリュートロータリーエンコーダ
WO2013171901A1 (ja) * 2012-05-18 2013-11-21 三菱電機株式会社 光学式絶対値エンコーダ
JP5877212B2 (ja) * 2014-01-10 2016-03-02 キヤノンプレシジョン株式会社 エンコーダ、エンコーダを用いた装置およびエンコーダ演算プログラム
JP2015200613A (ja) * 2014-04-10 2015-11-12 株式会社安川電機 エンコーダ、エンコーダ付きモータ、サーボシステム
CN103983290B (zh) * 2014-05-06 2016-05-11 上海精浦机电有限公司 复合型绝对值编码器
US9605981B1 (en) * 2015-09-22 2017-03-28 Mitsubishi Electric Corporation Absolute encoder
KR20180059515A (ko) * 2015-11-12 2018-06-04 오쿠라 유소키 가부시키가이샤 검출 장치의 이상 판정 시스템, 검출 장치, 검출 장치의 이상 판정 장치, 및 검출 장치의 이상 판정 방법
US20170167891A1 (en) * 2015-12-10 2017-06-15 Seiko Epson Corporation Position detecting apparatus
TWI646311B (zh) * 2018-01-02 2019-01-01 大銀微系統股份有限公司 光學編碼感測裝置
JP2019158850A (ja) * 2018-03-16 2019-09-19 富士電機株式会社 反射型エンコーダ
JP2019215306A (ja) * 2018-06-14 2019-12-19 多摩川精機株式会社 光学式ロータリーエンコーダ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006170788A (ja) * 2004-12-15 2006-06-29 Canon Inc 光学式エンコーダ
JP2011145118A (ja) * 2010-01-13 2011-07-28 Mitsubishi Electric Corp 反射型光学式エンコーダ
JP2015137955A (ja) * 2014-01-23 2015-07-30 三菱電機株式会社 アブソリュートエンコーダ
JP2016014574A (ja) * 2014-07-01 2016-01-28 キヤノン株式会社 アブソリュートエンコーダ

Also Published As

Publication number Publication date
TWI800870B (zh) 2023-05-01
KR20220123761A (ko) 2022-09-08
CN115210538A (zh) 2022-10-18
TW202318811A (zh) 2023-05-01
TWI830571B (zh) 2024-01-21
JP6865915B1 (ja) 2021-04-28
CN115210538B (zh) 2023-04-25
TW202210793A (zh) 2022-03-16
WO2022044323A1 (ja) 2022-03-03
JPWO2022044323A1 (zh) 2022-03-03

Similar Documents

Publication Publication Date Title
US8698071B2 (en) Rotary encoder having multiple slit arrays, which detects rotation angle
CN108027259B (zh) 绝对式编码器
EP2778623B1 (en) Position detection apparatus, lens apparatus, image pickup system, and machine tool apparatus
US8896821B2 (en) Encoder
US8546747B2 (en) Rotary encoder and optical apparatus
US20110303831A1 (en) Rotary encoder that detects rotation angle
US7565256B2 (en) Displacement detecting encoder
US9574910B2 (en) Position detecting apparatus, and lens apparatus and image pickup apparatus including the position detecting apparatus
TWI660159B (zh) 絕對編碼器
EP2110645B1 (en) Absolute position length measurement type encoder
US20160164383A1 (en) Encoder and motor with encoder
KR102507084B1 (ko) 앱솔루트 인코더
US9000356B2 (en) Encoder
JP6149740B2 (ja) アブソリュートエンコーダ
WO2018163424A1 (ja) アブソリュートエンコーダ
TWI718040B (zh) 編碼器
JP7203584B2 (ja) アブソリュートロータリエンコーダ
US11293786B2 (en) Rotary encoder
JP5974154B2 (ja) ロータリーエンコーダ
US20230375373A1 (en) Encoder and information processing method
US9423276B2 (en) Measurement apparatus, measurement method, and absolute encoder
WO2015151230A1 (ja) エンコーダ、エンコーダ制御装置及びエンコーダの異常検出方法
JP2004309230A (ja) 測距装置

Legal Events

Date Code Title Description
A302 Request for accelerated examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant