JP4509615B2 - エンコーダ - Google Patents

エンコーダ Download PDF

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Publication number
JP4509615B2
JP4509615B2 JP2004082655A JP2004082655A JP4509615B2 JP 4509615 B2 JP4509615 B2 JP 4509615B2 JP 2004082655 A JP2004082655 A JP 2004082655A JP 2004082655 A JP2004082655 A JP 2004082655A JP 4509615 B2 JP4509615 B2 JP 4509615B2
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JP
Japan
Prior art keywords
lens
pattern
lenses
ring
encoder
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
JP2004082655A
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English (en)
Japanese (ja)
Other versions
JP2004340934A (ja
JP2004340934A5 (enExample
Inventor
ウルリッヒ・ベンナー
エルマール・マイヤー
ヴオルフガング・ホルツアプフェル
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.)
Dr Johannes Heidenhain GmbH
Original Assignee
Dr Johannes Heidenhain GmbH
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 Dr Johannes Heidenhain GmbH filed Critical Dr Johannes Heidenhain GmbH
Publication of JP2004340934A publication Critical patent/JP2004340934A/ja
Publication of JP2004340934A5 publication Critical patent/JP2004340934A5/ja
Application granted granted Critical
Publication of JP4509615B2 publication Critical patent/JP4509615B2/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
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Vehicle Body Suspensions (AREA)
  • Body Structure For Vehicles (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2004082655A 2003-05-16 2004-03-22 エンコーダ Expired - Fee Related JP4509615B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10323088A DE10323088A1 (de) 2003-05-16 2003-05-16 Positionsmesseinrichtung

Publications (3)

Publication Number Publication Date
JP2004340934A JP2004340934A (ja) 2004-12-02
JP2004340934A5 JP2004340934A5 (enExample) 2007-01-18
JP4509615B2 true JP4509615B2 (ja) 2010-07-21

Family

ID=33016449

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004082655A Expired - Fee Related JP4509615B2 (ja) 2003-05-16 2004-03-22 エンコーダ

Country Status (7)

Country Link
US (1) US7164482B2 (enExample)
EP (1) EP1477774B1 (enExample)
JP (1) JP4509615B2 (enExample)
CN (1) CN100374823C (enExample)
AT (1) ATE399981T1 (enExample)
DE (2) DE10323088A1 (enExample)
ES (1) ES2308063T3 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10317736A1 (de) * 2003-04-11 2004-10-28 Dr. Johannes Heidenhain Gmbh Abtasteinheit für eine Positionsmesseinrichtung zum optischen Abtasten einer Maßverkörperung
DE102005015743B4 (de) * 2005-04-06 2018-08-23 Dr. Johannes Heidenhain Gmbh Abtasteinheit für eine Positionsmesseinrichtung zum optischen Abtasten einer Maßverkörperung und Positionsmesseinrichtung
DE102006024579B4 (de) * 2006-05-18 2016-09-29 Dr. Johannes Heidenhain Gmbh Vorrichtung zur Bestimmung der Position eines entlang mindestens einer Verschieberichtung bewegbaren Objektes
DE102008046793A1 (de) 2008-09-11 2010-03-18 Dr. Johannes Heidenhain Gmbh Optische Positionsmesseinrichtung
DE102011081879A1 (de) * 2010-11-03 2012-05-03 Dr. Johannes Heidenhain Gmbh Optische Winkelmesseinrichtung
DE102011082156A1 (de) * 2010-12-16 2012-06-21 Dr. Johannes Heidenhain Gmbh Optische Positionsmesseinrichtung
CN102607417B (zh) * 2012-03-30 2014-06-18 中国科学院长春光学精密机械与物理研究所 绝对位置测量装置
CN103852032B (zh) * 2012-12-07 2016-12-21 上海汽车集团股份有限公司 圆柱形轴类零件的特征参数提取方法
DE102016103996B4 (de) 2016-03-04 2023-09-28 Dr. Fritz Faulhaber Gmbh & Co. Kg Encodier-System für kleinbauende Elektromotoren
JP7031118B2 (ja) * 2016-12-09 2022-03-08 ソニーグループ株式会社 画像処理装置、及び、画像処理方法
CN108759794B (zh) * 2018-05-14 2021-03-02 南京涵曦月自动化科技有限公司 多功能建筑标线灯
CN111600617B (zh) * 2020-05-12 2021-06-08 中国科学院软件研究所 一种基于物联网LoRa信号的非接触感知方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112295A (en) * 1974-12-30 1978-09-05 Instytut Geodezji I Kartograffi Apparatus for direct measurement of displacements with a holographic scale
NL8202300A (nl) * 1982-06-08 1984-01-02 Philips Nv Inrichting voor het bepalen van hoekverplaatsingen van een voorwerp.
NL8502988A (nl) * 1985-11-01 1987-06-01 Philips Nv Halfgeleidende radieele fotodetector, en inrichting bevattende een dergelijke detector.
DE3542514A1 (de) * 1985-12-02 1987-06-04 Zeiss Carl Fa Wegmesseinrichtung
US5486923A (en) * 1992-05-05 1996-01-23 Microe Apparatus for detecting relative movement wherein a detecting means is positioned in the region of natural interference
GB9522491D0 (en) * 1995-11-02 1996-01-03 Renishaw Plc Opto-electronic rotary encoder
JP2000221442A (ja) 1999-01-28 2000-08-11 Nippon Sheet Glass Co Ltd 結像光学装置
US6707613B2 (en) * 2000-04-05 2004-03-16 Rohm Co., Ltd. Lens array unit and method of forming image
JP4271841B2 (ja) 2000-04-05 2009-06-03 ローム株式会社 レンズアレイユニットおよびこれを備えた光学装置
JP2001343506A (ja) * 2000-06-01 2001-12-14 Rohm Co Ltd レンズアレイの製造方法、レンズアレイおよびレンズアレイの遮光処理方法
GB0109057D0 (en) 2001-04-11 2001-05-30 Renishaw Plc Absolute postition measurement

Also Published As

Publication number Publication date
DE502004007471D1 (de) 2008-08-14
JP2004340934A (ja) 2004-12-02
EP1477774A1 (de) 2004-11-17
US7164482B2 (en) 2007-01-16
ES2308063T3 (es) 2008-12-01
DE10323088A1 (de) 2004-12-02
EP1477774B1 (de) 2008-07-02
CN1550764A (zh) 2004-12-01
US20040227958A1 (en) 2004-11-18
ATE399981T1 (de) 2008-07-15
CN100374823C (zh) 2008-03-12

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