JP7005247B2 - 回転角度検出装置及び電子機器 - Google Patents

回転角度検出装置及び電子機器 Download PDF

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Publication number
JP7005247B2
JP7005247B2 JP2017180188A JP2017180188A JP7005247B2 JP 7005247 B2 JP7005247 B2 JP 7005247B2 JP 2017180188 A JP2017180188 A JP 2017180188A JP 2017180188 A JP2017180188 A JP 2017180188A JP 7005247 B2 JP7005247 B2 JP 7005247B2
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Japan
Prior art keywords
rotation
rotation detection
scale
output
radial direction
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JP2017180188A
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English (en)
Japanese (ja)
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JP2019056593A5 (https=
JP2019056593A (ja
Inventor
剛 内藤
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Canon Inc
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2017180188A priority Critical patent/JP7005247B2/ja
Priority to US16/131,626 priority patent/US10914613B2/en
Publication of JP2019056593A publication Critical patent/JP2019056593A/ja
Publication of JP2019056593A5 publication Critical patent/JP2019056593A5/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
    • G01D5/28—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 deflection of beams of light, e.g. for direct optical indication
    • G01D5/30—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 deflection of beams of light, e.g. for direct optical indication the beams of light being detected by photocells
    • 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
    • G01D5/24471—Error correction
    • G01D5/24476—Signal processing
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
    • 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
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
    • G01D2205/77—Specific profiles
    • G01D2205/773—Spiral profiles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Transform (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
JP2017180188A 2017-09-20 2017-09-20 回転角度検出装置及び電子機器 Active JP7005247B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017180188A JP7005247B2 (ja) 2017-09-20 2017-09-20 回転角度検出装置及び電子機器
US16/131,626 US10914613B2 (en) 2017-09-20 2018-09-14 Rotation angle detection device and electronic apparatus using this comprising plural rotation detection elements respectively detecting radially outer scale and radially inner scale of a rotation detection target

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017180188A JP7005247B2 (ja) 2017-09-20 2017-09-20 回転角度検出装置及び電子機器

Publications (3)

Publication Number Publication Date
JP2019056593A JP2019056593A (ja) 2019-04-11
JP2019056593A5 JP2019056593A5 (https=) 2020-11-12
JP7005247B2 true JP7005247B2 (ja) 2022-01-21

Family

ID=65720118

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017180188A Active JP7005247B2 (ja) 2017-09-20 2017-09-20 回転角度検出装置及び電子機器

Country Status (2)

Country Link
US (1) US10914613B2 (https=)
JP (1) JP7005247B2 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6268601B1 (en) 1998-12-02 2001-07-31 Honeywell International Inc. Apparatus for determing the position of a rotating shaft
JP2006220669A (ja) 2006-05-12 2006-08-24 Aisin Aw Co Ltd 回転角度検出センサーの故障検出装置
JP2007271532A (ja) 2006-03-31 2007-10-18 Japan Aviation Electronics Industry Ltd ロータリエンコーダ
JP2010134221A (ja) 2008-12-05 2010-06-17 Canon Inc 回転ダイヤルにおける回転子の位置検出装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4878959A (https=) * 1972-01-22 1973-10-23
JPH0545179A (ja) 1991-08-15 1993-02-23 Olympus Optical Co Ltd ズームエンコーダ
JP3160372B2 (ja) * 1992-06-30 2001-04-25 株式会社東海理化電機製作所 回転角検出装置
JPH06137898A (ja) * 1992-10-23 1994-05-20 Honda Motor Co Ltd 光学式エンコーダ
JPH07218797A (ja) * 1994-02-01 1995-08-18 Nikon Corp レンズ鏡筒
JPH08201112A (ja) * 1995-01-25 1996-08-09 Minolta Co Ltd 操作位置信号発生装置
JP2007033100A (ja) * 2005-07-25 2007-02-08 Pulstec Industrial Co Ltd 光学式位置検出装置
JP5566061B2 (ja) * 2009-07-31 2014-08-06 オリンパス株式会社 光学式変位検出装置
JP5715023B2 (ja) 2011-10-12 2015-05-07 旭化成エレクトロニクス株式会社 位置検出装置及び位置検出方法並びにそれを用いた電子機器
JP5935784B2 (ja) * 2013-11-14 2016-06-15 株式会社デンソー モータ制御装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6268601B1 (en) 1998-12-02 2001-07-31 Honeywell International Inc. Apparatus for determing the position of a rotating shaft
JP2007271532A (ja) 2006-03-31 2007-10-18 Japan Aviation Electronics Industry Ltd ロータリエンコーダ
JP2006220669A (ja) 2006-05-12 2006-08-24 Aisin Aw Co Ltd 回転角度検出センサーの故障検出装置
JP2010134221A (ja) 2008-12-05 2010-06-17 Canon Inc 回転ダイヤルにおける回転子の位置検出装置

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Publication number Publication date
US10914613B2 (en) 2021-02-09
JP2019056593A (ja) 2019-04-11
US20190086242A1 (en) 2019-03-21

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