JPS61124822A - 回転角検出装置 - Google Patents

回転角検出装置

Info

Publication number
JPS61124822A
JPS61124822A JP24717584A JP24717584A JPS61124822A JP S61124822 A JPS61124822 A JP S61124822A JP 24717584 A JP24717584 A JP 24717584A JP 24717584 A JP24717584 A JP 24717584A JP S61124822 A JPS61124822 A JP S61124822A
Authority
JP
Japan
Prior art keywords
light
slit
light projection
projection means
slit plate
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.)
Granted
Application number
JP24717584A
Other languages
English (en)
Japanese (ja)
Other versions
JPH049446B2 (enrdf_load_stackoverflow
Inventor
Toshiki Ito
俊樹 伊藤
Takeshi Fukada
毅 深田
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.)
Denso Corp
Original Assignee
NipponDenso Co Ltd
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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP24717584A priority Critical patent/JPS61124822A/ja
Publication of JPS61124822A publication Critical patent/JPS61124822A/ja
Publication of JPH049446B2 publication Critical patent/JPH049446B2/ja
Granted legal-status Critical Current

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
    • G01D5/32—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)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
JP24717584A 1984-11-22 1984-11-22 回転角検出装置 Granted JPS61124822A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24717584A JPS61124822A (ja) 1984-11-22 1984-11-22 回転角検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24717584A JPS61124822A (ja) 1984-11-22 1984-11-22 回転角検出装置

Publications (2)

Publication Number Publication Date
JPS61124822A true JPS61124822A (ja) 1986-06-12
JPH049446B2 JPH049446B2 (enrdf_load_stackoverflow) 1992-02-20

Family

ID=17159552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24717584A Granted JPS61124822A (ja) 1984-11-22 1984-11-22 回転角検出装置

Country Status (1)

Country Link
JP (1) JPS61124822A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004317451A (ja) * 2003-04-21 2004-11-11 Nidec Copal Corp 角度検出装置
WO2011114938A1 (ja) * 2010-03-15 2011-09-22 オリンパス株式会社 光学式エンコーダ
EP1071929B2 (en) † 1998-04-17 2011-10-26 Cambridge Technology, Inc. Axial led position detector for determining the angular position of a rotatable element
WO2013098935A1 (ja) * 2011-12-27 2013-07-04 株式会社安川電機 エンコーダ及びサーボモータ
WO2014180968A1 (de) * 2013-05-10 2014-11-13 Scanlab Aktiengesellschaft Optischer winkeldetektor mit strahlformungselement

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1071929B2 (en) † 1998-04-17 2011-10-26 Cambridge Technology, Inc. Axial led position detector for determining the angular position of a rotatable element
JP2004317451A (ja) * 2003-04-21 2004-11-11 Nidec Copal Corp 角度検出装置
WO2011114938A1 (ja) * 2010-03-15 2011-09-22 オリンパス株式会社 光学式エンコーダ
JPWO2011114938A1 (ja) * 2010-03-15 2013-06-27 オリンパス株式会社 光学式エンコーダ
US9366550B2 (en) 2010-03-15 2016-06-14 Olympus Corporation Optical encoder having a scale comprising a light guiding portion with reflection surfaces and a light guiding function
WO2013098935A1 (ja) * 2011-12-27 2013-07-04 株式会社安川電機 エンコーダ及びサーボモータ
WO2014180968A1 (de) * 2013-05-10 2014-11-13 Scanlab Aktiengesellschaft Optischer winkeldetektor mit strahlformungselement
CN105324632A (zh) * 2013-05-10 2016-02-10 施肯拉公司 包括光束成形元件的光学角度检测器
JP2016517963A (ja) * 2013-05-10 2016-06-20 スカンラブ アクチエンゲゼルシャフト ビーム形成要素を有する光角検出器
US9903743B2 (en) 2013-05-10 2018-02-27 Scanlab Gmbh Optical angle detector having a beam-forming element

Also Published As

Publication number Publication date
JPH049446B2 (enrdf_load_stackoverflow) 1992-02-20

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