JP6289192B2 - 位置検出装置及びそれを有するレンズ装置及び光学操作装置 - Google Patents

位置検出装置及びそれを有するレンズ装置及び光学操作装置 Download PDF

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Publication number
JP6289192B2
JP6289192B2 JP2014057336A JP2014057336A JP6289192B2 JP 6289192 B2 JP6289192 B2 JP 6289192B2 JP 2014057336 A JP2014057336 A JP 2014057336A JP 2014057336 A JP2014057336 A JP 2014057336A JP 6289192 B2 JP6289192 B2 JP 6289192B2
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Japan
Prior art keywords
signal
movable element
displacement
speed
lens
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JP2014057336A
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English (en)
Japanese (ja)
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JP2015179051A5 (enExample
JP2015179051A (ja
Inventor
鈴木　昇
昇 鈴木
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Canon Inc
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Canon Inc
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Priority to JP2014057336A priority Critical patent/JP6289192B2/ja
Priority to US14/662,674 priority patent/US9470880B2/en
Publication of JP2015179051A publication Critical patent/JP2015179051A/ja
Publication of JP2015179051A5 publication Critical patent/JP2015179051A5/ja
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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
    • G01D5/34776—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
    • 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
    • G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
    • G01D5/34794—Optical encoders using the Vernier principle, i.e. incorporating two or more tracks having a (n, n+1, ...) relationship

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optics & Photonics (AREA)
  • Optical Transform (AREA)
JP2014057336A 2014-03-20 2014-03-20 位置検出装置及びそれを有するレンズ装置及び光学操作装置 Expired - Fee Related JP6289192B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014057336A JP6289192B2 (ja) 2014-03-20 2014-03-20 位置検出装置及びそれを有するレンズ装置及び光学操作装置
US14/662,674 US9470880B2 (en) 2014-03-20 2015-03-19 Position detecting apparatus, and lens apparatus and optical operating apparatus including the position detecting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014057336A JP6289192B2 (ja) 2014-03-20 2014-03-20 位置検出装置及びそれを有するレンズ装置及び光学操作装置

Publications (3)

Publication Number Publication Date
JP2015179051A JP2015179051A (ja) 2015-10-08
JP2015179051A5 JP2015179051A5 (enExample) 2017-03-30
JP6289192B2 true JP6289192B2 (ja) 2018-03-07

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JP2014057336A Expired - Fee Related JP6289192B2 (ja) 2014-03-20 2014-03-20 位置検出装置及びそれを有するレンズ装置及び光学操作装置

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US (1) US9470880B2 (enExample)
JP (1) JP6289192B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018036090A (ja) 2016-08-30 2018-03-08 キヤノンプレシジョン株式会社 エンコーダおよびこれを備えた装置
CN108777578B (zh) * 2018-06-29 2021-04-20 东莞市李群自动化技术有限公司 一种编码器信号采样方法及装置
JP7246892B2 (ja) * 2018-10-29 2023-03-28 キヤノン株式会社 位置検出装置、レンズ装置、位置検出方法、および、プログラム
US11874144B2 (en) * 2020-07-28 2024-01-16 Li Lin Displacement measurement system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05223597A (ja) * 1991-03-04 1993-08-31 Nikon Corp アブソリュ−ト・エンコ−ダ
JP2593257B2 (ja) 1991-08-12 1997-03-26 株式会社ミツトヨ 変位測定装置
JP3412897B2 (ja) * 1994-02-18 2003-06-03 三菱電機株式会社 アブソリュートエンコーダ
JP3680983B2 (ja) * 1999-05-27 2005-08-10 富士電機機器制御株式会社 エンコーダの初期位置検出装置
JP2005345375A (ja) 2004-06-04 2005-12-15 Mitsutoyo Corp 電磁誘導式ａｂｓエンコーダ
JP2006313073A (ja) * 2005-05-06 2006-11-16 Tamagawa Seiki Co Ltd 冗長系回転検出器
JP5353439B2 (ja) * 2009-05-21 2013-11-27 株式会社明電舎 回転体の角度位置／速度検出装置および動力試験システム
CN103105180A (zh) * 2011-10-10 2013-05-15 先进传感技术有限公司 绝对位置测量装置和方法
JP5932285B2 (ja) * 2011-10-14 2016-06-08 キヤノン株式会社 エンコーダおよびこれを備えた装置
KR101326889B1 (ko) * 2011-11-07 2013-11-11 현대자동차주식회사 이동 기준국을 이용한 차량간 상대 위치 제어 방법 및 그 시스템
CN104704327B (zh) * 2012-08-30 2016-03-30 富士胶片株式会社 摄像透镜镜筒及其动作控制方法

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JP2015179051A (ja) 2015-10-08
US9470880B2 (en) 2016-10-18
US20150268068A1 (en) 2015-09-24

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