TW200600831A - Optical rotary encoder - Google Patents

Optical rotary encoder

Info

Publication number
TW200600831A
TW200600831A TW094109938A TW94109938A TW200600831A TW 200600831 A TW200600831 A TW 200600831A TW 094109938 A TW094109938 A TW 094109938A TW 94109938 A TW94109938 A TW 94109938A TW 200600831 A TW200600831 A TW 200600831A
Authority
TW
Taiwan
Prior art keywords
light
optical
light source
optical slits
slits
Prior art date
Application number
TW094109938A
Other languages
English (en)
Other versions
TWI297081B (en
Inventor
Takeshi Musha
Toru Oka
Yoichi Ohmura
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of TW200600831A publication Critical patent/TW200600831A/zh
Application granted granted Critical
Publication of TWI297081B publication Critical patent/TWI297081B/zh

Links

Classifications

    • 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
    • G01D5/26—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
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
TW094109938A 2004-03-31 2005-03-30 Optical rotary encoder TWI297081B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004105679 2004-03-31

Publications (2)

Publication Number Publication Date
TW200600831A true TW200600831A (en) 2006-01-01
TWI297081B TWI297081B (en) 2008-05-21

Family

ID=35063883

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094109938A TWI297081B (en) 2004-03-31 2005-03-30 Optical rotary encoder

Country Status (7)

Country Link
US (1) US7405392B2 (zh)
JP (1) JP4531750B2 (zh)
KR (1) KR100818018B1 (zh)
CN (1) CN100451560C (zh)
DE (1) DE112005000685B4 (zh)
TW (1) TWI297081B (zh)
WO (1) WO2005095898A1 (zh)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI312926B (en) * 2005-12-22 2009-08-01 Asustek Comp Inc Electronic device with a power control function
US7732756B2 (en) * 2006-11-01 2010-06-08 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. User navigation device with a code wheel and an encoder
KR100955205B1 (ko) * 2007-12-21 2010-04-29 갤럭시아디바이스 주식회사 휠 센서 및 휠 센서를 위한 휠 제조 방법
KR101184129B1 (ko) * 2008-06-05 2012-09-18 미쓰비시덴키 가부시키가이샤 광학식 인코더
FR2937129B1 (fr) * 2008-10-10 2012-11-16 Thales Sa Codeur optique
KR101589743B1 (ko) * 2008-11-07 2016-01-28 삼성전자주식회사 휠 구동 장치 및 상기 장치를 구비한 휴대용 전자기기
JP5538870B2 (ja) * 2009-12-24 2014-07-02 キヤノン株式会社 ロータリーエンコーダ
JP5099459B2 (ja) * 2010-03-19 2012-12-19 株式会社安川電機 光全周エンコーダ及びモータシステム
JP4945674B2 (ja) * 2010-11-08 2012-06-06 株式会社安川電機 反射型エンコーダ、サーボモータ及びサーボユニット
DE112011104918T5 (de) * 2011-02-21 2013-11-21 Mitsubishi Electric Corp. Optischer Geber
CN102322887A (zh) * 2011-06-28 2012-01-18 奇瑞汽车股份有限公司 方向盘转角传感器
CN103718004B (zh) * 2011-07-22 2016-05-18 株式会社安川电机 伺服马达制造方法、伺服马达制造装置、伺服马达和编码器
US9157770B2 (en) * 2011-07-29 2015-10-13 Mitsubishi Electric Corporation Encoder
JP5618094B2 (ja) * 2011-10-05 2014-11-05 株式会社安川電機 光全周エンコーダ及びモータシステム
JP5660066B2 (ja) * 2012-03-19 2015-01-28 コニカミノルタ株式会社 画像形成装置
EP2685221A1 (de) * 2012-07-10 2014-01-15 Siemens Aktiengesellschaft Drehgeber
EP2975365A1 (en) * 2013-03-11 2016-01-20 Kabushiki Kaisha Yaskawa Denki Encoder, motor with encoder, and servo system
CN204087346U (zh) * 2014-07-11 2015-01-07 山东新北洋信息技术股份有限公司 踢纸机构、纸币处理机和薄片类介质处理装置
JP6098999B2 (ja) * 2014-09-16 2017-03-22 株式会社安川電機 エンコーダ及びエンコーダ付きモータ
WO2017191168A1 (en) * 2016-05-03 2017-11-09 Arges Gmbh Optical rotation angle measuring system
US10330467B2 (en) 2016-06-01 2019-06-25 Virtek Vision International Ulc Precision locating rotary stage
CN106352904A (zh) * 2016-09-19 2017-01-25 上海未来伙伴机器人有限公司 光电编码器码盘、光电检测装置、光电编码器及机器人
CN112902992B (zh) * 2021-01-27 2023-07-25 长春汇通光电技术有限公司 一种编码器读头、编码器及编码方式

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3104972C2 (de) * 1981-02-12 1985-06-20 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Lichtelektrische inkrementale Positioniereinrichtung
JPS58106717U (ja) 1982-01-18 1983-07-20 株式会社リコー 位置検出器
JPS60515U (ja) 1983-06-17 1985-01-05 日本サ−ボ株式会社 光学式エンコ−ダ
JPS60102520A (ja) * 1983-11-10 1985-06-06 Ricoh Co Ltd ロ−タリエンコ−ダ
JPS60102520U (ja) 1983-12-20 1985-07-12 ソニー株式会社 自動調心形スパイラル溝軸受
IT1184495B (it) * 1985-04-26 1987-10-28 Michele Merlo Codificatore (encoder) ottico incrementale a nonio accordato
JPH06294666A (ja) 1993-04-12 1994-10-21 Omron Corp アブソリュート形エンコーダ
JP3195117B2 (ja) * 1993-04-19 2001-08-06 株式会社トプコン ロータリエンコーダ
CN1161632C (zh) * 1998-09-23 2004-08-11 光洋精工株式会社 光学旋转编码器
US6713756B2 (en) * 2000-05-09 2004-03-30 Olympus Corporation Optical encoder and optical rotary encoder
JP4695776B2 (ja) 2001-05-16 2011-06-08 三菱電機株式会社 光電式ロータリーエンコーダ

Also Published As

Publication number Publication date
DE112005000685B4 (de) 2014-07-17
TWI297081B (en) 2008-05-21
US20070272840A1 (en) 2007-11-29
CN100451560C (zh) 2009-01-14
JP4531750B2 (ja) 2010-08-25
JPWO2005095898A1 (ja) 2008-02-21
KR100818018B1 (ko) 2008-03-31
WO2005095898A1 (ja) 2005-10-13
DE112005000685T5 (de) 2007-11-08
KR20060130687A (ko) 2006-12-19
US7405392B2 (en) 2008-07-29
CN1938565A (zh) 2007-03-28

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