JP5113018B2 - リニアエンコーダ装置 - Google Patents

リニアエンコーダ装置 Download PDF

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Publication number
JP5113018B2
JP5113018B2 JP2008284567A JP2008284567A JP5113018B2 JP 5113018 B2 JP5113018 B2 JP 5113018B2 JP 2008284567 A JP2008284567 A JP 2008284567A JP 2008284567 A JP2008284567 A JP 2008284567A JP 5113018 B2 JP5113018 B2 JP 5113018B2
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JP
Japan
Prior art keywords
scale
light
linear encoder
source device
light source
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
JP2008284567A
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English (en)
Japanese (ja)
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JP2010112800A5 (de
JP2010112800A (ja
Inventor
浩二 北川
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.)
Okuma Corp
Original Assignee
Okuma 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 Okuma Corp filed Critical Okuma Corp
Priority to JP2008284567A priority Critical patent/JP5113018B2/ja
Priority to DE200910051708 priority patent/DE102009051708B4/de
Publication of JP2010112800A publication Critical patent/JP2010112800A/ja
Publication of JP2010112800A5 publication Critical patent/JP2010112800A5/ja
Application granted granted Critical
Publication of JP5113018B2 publication Critical patent/JP5113018B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/347Mechanical 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
    • G01D5/34746Linear encoders
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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 using electric or magnetic means
    • G01D5/244Mechanical 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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24428Error prevention
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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 using electric or magnetic means
    • G01D5/244Mechanical 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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24471Error correction
    • G01D5/24476Signal processing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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 using electric or magnetic means
    • G01D5/244Mechanical 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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24471Error correction
    • G01D5/2448Correction of gain, threshold, offset or phase control

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Transform (AREA)
JP2008284567A 2008-11-05 2008-11-05 リニアエンコーダ装置 Expired - Fee Related JP5113018B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008284567A JP5113018B2 (ja) 2008-11-05 2008-11-05 リニアエンコーダ装置
DE200910051708 DE102009051708B4 (de) 2008-11-05 2009-11-03 Linearcodierer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008284567A JP5113018B2 (ja) 2008-11-05 2008-11-05 リニアエンコーダ装置

Publications (3)

Publication Number Publication Date
JP2010112800A JP2010112800A (ja) 2010-05-20
JP2010112800A5 JP2010112800A5 (de) 2010-08-05
JP5113018B2 true JP5113018B2 (ja) 2013-01-09

Family

ID=42063265

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008284567A Expired - Fee Related JP5113018B2 (ja) 2008-11-05 2008-11-05 リニアエンコーダ装置

Country Status (2)

Country Link
JP (1) JP5113018B2 (de)
DE (1) DE102009051708B4 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61218909A (ja) * 1985-03-25 1986-09-29 Matsushita Electric Works Ltd 光電式物体検知装置
JPH06137899A (ja) 1992-10-28 1994-05-20 Okuma Mach Works Ltd 光学式リニアエンコーダ
JP3544576B2 (ja) * 1995-03-17 2004-07-21 オリンパス株式会社 光学式エンコーダ
US7064842B1 (en) * 1999-01-13 2006-06-20 Olympus Optical Co., Ltd. Optical displacement sensor and optical encoder
US7002137B2 (en) * 2001-08-30 2006-02-21 Gsi Lumonics Corporation Reference point talbot encoder
JP2003139572A (ja) * 2001-11-06 2003-05-14 Ntt Electornics Corp エンコーダ

Also Published As

Publication number Publication date
DE102009051708B4 (de) 2015-04-09
JP2010112800A (ja) 2010-05-20
DE102009051708A1 (de) 2010-05-06

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