JP7078486B2 - 角度検出システムおよび角度検出方法 - Google Patents

角度検出システムおよび角度検出方法 Download PDF

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Publication number
JP7078486B2
JP7078486B2 JP2018144784A JP2018144784A JP7078486B2 JP 7078486 B2 JP7078486 B2 JP 7078486B2 JP 2018144784 A JP2018144784 A JP 2018144784A JP 2018144784 A JP2018144784 A JP 2018144784A JP 7078486 B2 JP7078486 B2 JP 7078486B2
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Japan
Prior art keywords
angle
unit
encoder pattern
pattern
encoder
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JP2018144784A
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English (en)
Japanese (ja)
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JP2020020671A5 (enExample
JP2020020671A (ja
Inventor
敏 安富
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Topcon Corp
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Topcon Corp
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Publication date
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Priority to JP2018144784A priority Critical patent/JP7078486B2/ja
Priority to US17/262,164 priority patent/US20210270640A1/en
Priority to PCT/JP2019/029422 priority patent/WO2020026978A1/ja
Priority to EP19843095.1A priority patent/EP3832257A4/en
Priority to CN201980046327.3A priority patent/CN112469968B/zh
Publication of JP2020020671A publication Critical patent/JP2020020671A/ja
Publication of JP2020020671A5 publication Critical patent/JP2020020671A5/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
    • G01D5/3473—Circular or rotary encoders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002—Active optical surveying means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/02—Means for marking measuring points
    • G01C15/06—Surveyors' staffs; Movable markers
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30204—Marker

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
JP2018144784A 2018-08-01 2018-08-01 角度検出システムおよび角度検出方法 Active JP7078486B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2018144784A JP7078486B2 (ja) 2018-08-01 2018-08-01 角度検出システムおよび角度検出方法
US17/262,164 US20210270640A1 (en) 2018-08-01 2019-07-26 Angle detection system and angle detection method
PCT/JP2019/029422 WO2020026978A1 (ja) 2018-08-01 2019-07-26 角度検出システムおよび角度検出方法
EP19843095.1A EP3832257A4 (en) 2018-08-01 2019-07-26 ANGLE DETECTION SYSTEM AND ANGLE DETECTION METHOD
CN201980046327.3A CN112469968B (zh) 2018-08-01 2019-07-26 角度检测系统以及角度检测方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018144784A JP7078486B2 (ja) 2018-08-01 2018-08-01 角度検出システムおよび角度検出方法

Publications (3)

Publication Number Publication Date
JP2020020671A JP2020020671A (ja) 2020-02-06
JP2020020671A5 JP2020020671A5 (enExample) 2021-07-26
JP7078486B2 true JP7078486B2 (ja) 2022-05-31

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JP2018144784A Active JP7078486B2 (ja) 2018-08-01 2018-08-01 角度検出システムおよび角度検出方法

Country Status (5)

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US (1) US20210270640A1 (enExample)
EP (1) EP3832257A4 (enExample)
JP (1) JP7078486B2 (enExample)
CN (1) CN112469968B (enExample)
WO (1) WO2020026978A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12345812B2 (en) * 2020-01-02 2025-07-01 Analog Devices International Unlimited Company Angle of rotation determination in scanning LIDAR systems
DE102020201282A1 (de) * 2020-02-03 2021-08-05 Dr. Johannes Heidenhain Gesellschaft Mit Beschränkter Haftung Positionsmesseinrichtung und Verfahren zu deren Betrieb
US12392610B2 (en) * 2022-02-03 2025-08-19 Topcon Corporation Reference point indicating apparatus
EP4571248A1 (de) 2023-12-12 2025-06-18 Hilti Aktiengesellschaft Vorrichtungen und verfahren zur winkelmessung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090024325A1 (en) 2007-07-19 2009-01-22 Scherzinger Bruno M AINS enhanced survey instrument
US20160178406A1 (en) 2013-09-10 2016-06-23 Yong Wang Optical measurement system, method and scaleplate therefor
JP2016145791A (ja) 2015-01-28 2016-08-12 株式会社トプコン 三次元位置計測システム
JP2019020209A (ja) 2017-07-14 2019-02-07 株式会社トプコン 測量システム
JP2019105515A (ja) 2017-12-12 2019-06-27 株式会社トプコン ターゲット装置、測量方法、測量装置およびプログラム

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6080707A (ja) * 1983-10-07 1985-05-08 Toshihiro Tsumura 傾斜角度計測装置
JP3184939B2 (ja) 1991-12-26 2001-07-09 株式会社ソキア アブソリュートエンコーダ
JPH07139942A (ja) * 1993-11-12 1995-06-02 Wacom Co Ltd 測量装置
AUPP482598A0 (en) * 1998-07-24 1998-08-13 Bishop Innovation Pty Limited Angle encoder
US5900930A (en) * 1997-10-21 1999-05-04 Eaton Corporation Angle sensor using a multi-pixel optical device
JP2000081487A (ja) * 1998-05-08 2000-03-21 Osaka Gas Co Ltd 探査方法及び装置
EP1329690A1 (de) * 2002-01-22 2003-07-23 Leica Geosystems AG Verfahren und Vorrichtung zum automatischen Auffinden von Zielmarken
CN1922613A (zh) * 2004-01-14 2007-02-28 国际条形码公司 能补偿变形的可扫描虚拟条形码图像
CN101964045A (zh) * 2010-09-30 2011-02-02 西北工业大学 标刻在圆柱面产品上的数据矩阵码畸变校正方法
US9222808B2 (en) * 2011-06-09 2015-12-29 Kodenshi Corporation Scale for rotary encoder, method of injection-molding same, and rotary encoder using same
US20130204574A1 (en) * 2012-02-07 2013-08-08 Amit Agrawal Method for Estimating Positions Using Absolute Encoders
JP6438311B2 (ja) 2015-01-27 2018-12-12 株式会社トプコン 測量システム、測量方法、測量機及び測量用反射ターゲット
JP6054995B2 (ja) * 2015-01-29 2016-12-27 ファナック株式会社 クロストークを防止する光学式エンコーダ
US9605981B1 (en) * 2015-09-22 2017-03-28 Mitsubishi Electric Corporation Absolute encoder
US10247542B2 (en) * 2017-08-09 2019-04-02 Leica Geosystems Ag Handheld measuring aid with a 3-axis joint connection and a spherical encoder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090024325A1 (en) 2007-07-19 2009-01-22 Scherzinger Bruno M AINS enhanced survey instrument
US20160178406A1 (en) 2013-09-10 2016-06-23 Yong Wang Optical measurement system, method and scaleplate therefor
JP2016145791A (ja) 2015-01-28 2016-08-12 株式会社トプコン 三次元位置計測システム
JP2019020209A (ja) 2017-07-14 2019-02-07 株式会社トプコン 測量システム
JP2019105515A (ja) 2017-12-12 2019-06-27 株式会社トプコン ターゲット装置、測量方法、測量装置およびプログラム

Also Published As

Publication number Publication date
US20210270640A1 (en) 2021-09-02
CN112469968B (zh) 2023-03-28
EP3832257A1 (en) 2021-06-09
CN112469968A (zh) 2021-03-09
EP3832257A4 (en) 2022-04-13
WO2020026978A1 (ja) 2020-02-06
JP2020020671A (ja) 2020-02-06

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