JP4724282B2 - 回転角検出装置 - Google Patents

回転角検出装置 Download PDF

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Publication number
JP4724282B2
JP4724282B2 JP2000280036A JP2000280036A JP4724282B2 JP 4724282 B2 JP4724282 B2 JP 4724282B2 JP 2000280036 A JP2000280036 A JP 2000280036A JP 2000280036 A JP2000280036 A JP 2000280036A JP 4724282 B2 JP4724282 B2 JP 4724282B2
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JP
Japan
Prior art keywords
light
light receiving
angle
incident
rotation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2000280036A
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English (en)
Japanese (ja)
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JP2001183122A (ja
JP2001183122A5 (enExample
Inventor
健一 片岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2000280036A priority Critical patent/JP4724282B2/ja
Priority to US09/685,930 priority patent/US6642507B1/en
Publication of JP2001183122A publication Critical patent/JP2001183122A/ja
Priority to US10/659,275 priority patent/US6958468B2/en
Publication of JP2001183122A5 publication Critical patent/JP2001183122A5/ja
Application granted granted Critical
Publication of JP4724282B2 publication Critical patent/JP4724282B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G01D5/342—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 the sensed object being the obturating part

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP2000280036A 1999-10-12 2000-09-14 回転角検出装置 Expired - Fee Related JP4724282B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000280036A JP4724282B2 (ja) 1999-10-12 2000-09-14 回転角検出装置
US09/685,930 US6642507B1 (en) 1999-10-12 2000-10-11 Beam rotation angle detecting apparatus, rotation detecting apparatus and beam rotation angle detecting method
US10/659,275 US6958468B2 (en) 1999-10-12 2003-09-11 Beam rotation angle detecting apparatus, rotation detecting apparatus and beam rotation angle detecting method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP28941399 1999-10-12
JP1999289413 1999-10-12
JP11-289413 1999-10-12
JP2000280036A JP4724282B2 (ja) 1999-10-12 2000-09-14 回転角検出装置

Publications (3)

Publication Number Publication Date
JP2001183122A JP2001183122A (ja) 2001-07-06
JP2001183122A5 JP2001183122A5 (enExample) 2007-10-25
JP4724282B2 true JP4724282B2 (ja) 2011-07-13

Family

ID=26557590

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000280036A Expired - Fee Related JP4724282B2 (ja) 1999-10-12 2000-09-14 回転角検出装置

Country Status (2)

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US (2) US6642507B1 (enExample)
JP (1) JP4724282B2 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1250933C (zh) * 2001-09-04 2006-04-12 约翰尼斯海登海恩博士股份有限公司 位置测量装置及运行位置测量装置的方法
US7089672B2 (en) * 2002-02-08 2006-08-15 Robert Bosch Gmbh Optical angle and torque sensor
JP4481137B2 (ja) * 2003-11-13 2010-06-16 アスモ株式会社 モータ、回転制御装置、及び回転検出回路
US20050139756A1 (en) * 2003-12-29 2005-06-30 Eastman Kodak Company Emissive indicator device
JP4938265B2 (ja) * 2004-09-03 2012-05-23 ライカ ジオシステムズ アクチェンゲゼルシャフト 回転角を正確に測定する方法及び装置
DE102005036161A1 (de) * 2005-08-02 2007-02-08 Dr. Johannes Heidenhain Gmbh Feldmodulierende Winkelmesseinrichtung und Verfahren zu deren Betrieb
US7304295B2 (en) * 2005-09-30 2007-12-04 Avago Technologies Ecbuip (Singapore) Pte Ltd Method and system of detecting eccentricity and up/down movement of a code wheel of an optical encoder set
US20070120047A1 (en) * 2005-11-25 2007-05-31 Wong Weng F Ring-configured photodiode array and optical encoders using the same
US7381942B2 (en) * 2006-01-25 2008-06-03 Avago Technologies Ecbu Ip Pte Ltd Two-dimensional optical encoder with multiple code wheels
EP1862771B1 (fr) * 2006-05-31 2016-01-13 Delphi Technologies, Inc. Codeur angulaire optique avec detection du faux-rond
EP1862775A1 (fr) * 2006-05-31 2007-12-05 Delphi Technologies, Inc. Codeur de position à haute résolution
EP2059770A4 (en) * 2006-08-21 2012-07-18 Gsi Group Corp OPTICAL ROTARY ENCODER WITH SEVERAL SUBCODERS WITH A COMMON RETICLE SUBSCRIPTION
EP2073408B1 (de) * 2007-12-17 2012-08-08 Siemens Aktiengesellschaft Vorrichtung zum Übertragen von Lichtsignalen und entsprechendes Verfahren
JP5479236B2 (ja) * 2010-06-15 2014-04-23 キヤノン株式会社 ロータリーエンコーダ
FR2978241B1 (fr) 2011-07-21 2014-02-28 Bertrand Arnold Dispositif de mesure de deplacement numerique
JP6254775B2 (ja) * 2013-06-11 2017-12-27 浜松ホトニクス株式会社 エンコーダ
DE102013220190B4 (de) * 2013-10-07 2021-08-12 Dr. Johannes Heidenhain Gmbh Messteilung und lichtelektrische Positionsmesseinrichtung mit dieser Messteilung
JPWO2024225203A1 (enExample) * 2023-04-27 2024-10-31

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5325361A (en) * 1976-08-23 1978-03-09 Hitachi Ltd Semiconductor device
JPS5786056A (en) * 1980-11-17 1982-05-28 Matsushita Electric Ind Co Ltd Revolving speed detector
JPS5946813A (ja) * 1982-09-10 1984-03-16 Yamatake Honeywell Co Ltd ロ−タリ−エンコ−ダ
JPS6037813A (ja) * 1983-08-09 1985-02-27 Seiko Epson Corp タイミング信号抽出回路
JPS60102520A (ja) * 1983-11-10 1985-06-06 Ricoh Co Ltd ロ−タリエンコ−ダ
JPS60253873A (ja) * 1984-05-30 1985-12-14 Kyoto Denso:Kk 回転体の回転数計測装置
NL8501501A (nl) * 1985-05-24 1986-12-16 Tno Foto-elektrische omzetter.
JPS62100612A (ja) * 1985-10-28 1987-05-11 Niles Parts Co Ltd 光導デイスクを使用した回転検出装置
JPS62200225A (ja) * 1986-02-27 1987-09-03 Canon Inc ロ−タリ−エンコ−ダ−
JPS6443718A (en) * 1987-08-12 1989-02-16 Omron Tateisi Electronics Co Rotary encoder
JPH0321820A (ja) * 1989-06-20 1991-01-30 Matsushita Electric Ind Co Ltd 回転角エンコーダ
JP3170902B2 (ja) * 1992-09-30 2001-05-28 キヤノン株式会社 信号処理方法及びそれを用いたエンコーダ
JP3098358B2 (ja) * 1992-11-27 2000-10-16 三菱電機株式会社 位置検出素子、その位置検出素子を用いた位置検出方法、および光学式ロータリーエンコーダ
JPH06347289A (ja) 1993-06-11 1994-12-20 Ntn Corp 回転角度検出装置
JPH0735575A (ja) * 1993-07-23 1995-02-07 Sharp Corp 回転検出装置
JP3437277B2 (ja) * 1994-08-01 2003-08-18 キヤノン株式会社 回転情報検出装置及び回転情報検出方法
JPH10253398A (ja) * 1997-03-11 1998-09-25 Nikon Corp ロータリーエンコーダ

Also Published As

Publication number Publication date
JP2001183122A (ja) 2001-07-06
US6642507B1 (en) 2003-11-04
US6958468B2 (en) 2005-10-25
US20050098715A1 (en) 2005-05-12

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