KR20050094748A - 광전 센서 - Google Patents

광전 센서 Download PDF

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Publication number
KR20050094748A
KR20050094748A KR1020040093347A KR20040093347A KR20050094748A KR 20050094748 A KR20050094748 A KR 20050094748A KR 1020040093347 A KR1020040093347 A KR 1020040093347A KR 20040093347 A KR20040093347 A KR 20040093347A KR 20050094748 A KR20050094748 A KR 20050094748A
Authority
KR
South Korea
Prior art keywords
light
level
mark
light receiving
color
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.)
Withdrawn
Application number
KR1020040093347A
Other languages
English (en)
Korean (ko)
Inventor
오치아이다카유키
Original Assignee
산쿠스 가부시키가이샤
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 산쿠스 가부시키가이샤 filed Critical 산쿠스 가부시키가이샤
Publication of KR20050094748A publication Critical patent/KR20050094748A/ko
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/501—Colorimeters using spectrally-selective light sources, e.g. LEDs
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10554—Moving beam scanning
    • G06K7/10564—Light sources
    • G06K7/10584—Source control
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/12—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using a selected wavelength, e.g. to sense red marks and ignore blue marks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J2003/466—Coded colour; Recognition of predetermined colour; Determining proximity to predetermined colour
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0264—Electrical interface; User interface
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0291—Housings; Spectrometer accessories; Spatial arrangement of elements, e.g. folded path arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
KR1020040093347A 2004-03-23 2004-11-16 광전 센서 Withdrawn KR20050094748A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2004-00085293 2004-03-23
JP2004085293A JP2005274231A (ja) 2004-03-23 2004-03-23 光電センサ

Publications (1)

Publication Number Publication Date
KR20050094748A true KR20050094748A (ko) 2005-09-28

Family

ID=34858414

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020040093347A Withdrawn KR20050094748A (ko) 2004-03-23 2004-11-16 광전 센서

Country Status (6)

Country Link
US (1) US7227640B2 (https=)
EP (1) EP1580541A1 (https=)
JP (1) JP2005274231A (https=)
KR (1) KR20050094748A (https=)
CN (1) CN1673698A (https=)
TW (1) TWI327217B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009153609A1 (en) * 2008-06-20 2009-12-23 77 Elektronika Mϋszeripari Kft. Optical measuring unit and method for carrying out a reflective measurement
US9770210B2 (en) 2011-09-23 2017-09-26 Nellcor Puritan Bennett Ireland Systems and methods for analyzing a physiological sensor signal
JP2013252667A (ja) * 2012-06-07 2013-12-19 Omron Corp 樹脂部品、光電センサおよび樹脂部品の製造方法
JP6712132B2 (ja) * 2015-12-14 2020-06-17 株式会社キーエンス 光電スイッチ
US10176411B2 (en) * 2016-05-26 2019-01-08 Scantron Corporation Single-pass imaging and optical mark recognition scanning
JP2018151352A (ja) * 2017-03-15 2018-09-27 オムロン株式会社 光センサおよびセンサシステム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3242219C1 (de) * 1982-11-15 1984-02-16 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optisches Markenerkennungsgeraet
JPH02173532A (ja) 1988-12-27 1990-07-05 Fumiya Furuno 色度計
DE29505165U1 (de) * 1995-03-27 1995-05-18 Erwin Sick Gmbh Optik-Elektronik, 79183 Waldkirch Farbsensoranordnung zum Lesen farbiger Markierungen
JPH09178562A (ja) 1995-12-21 1997-07-11 Omron Corp 色検出装置及びそれを用いた印刷装置
JPH10142059A (ja) 1996-11-13 1998-05-29 Sunx Ltd マーク検出装置
JP3451533B2 (ja) 1997-06-25 2003-09-29 オムロン株式会社 色識別センサ
JP3846058B2 (ja) 1998-09-04 2006-11-15 株式会社デンソー ガス濃度検出装置
DE19846002A1 (de) * 1998-10-06 2000-04-13 Sick Ag Lichtkonstrasttaster
JP2000121440A (ja) * 1998-10-15 2000-04-28 Keyence Corp 色識別装置
US6094272A (en) * 1999-06-30 2000-07-25 Keyence Corporation Color discrimination system

Also Published As

Publication number Publication date
JP2005274231A (ja) 2005-10-06
TW200532173A (en) 2005-10-01
TWI327217B (en) 2010-07-11
US7227640B2 (en) 2007-06-05
CN1673698A (zh) 2005-09-28
US20050213110A1 (en) 2005-09-29
EP1580541A1 (en) 2005-09-28

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20041116

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid