TWI327217B - Photoelectric sensor - Google Patents

Photoelectric sensor Download PDF

Info

Publication number
TWI327217B
TWI327217B TW093130372A TW93130372A TWI327217B TW I327217 B TWI327217 B TW I327217B TW 093130372 A TW093130372 A TW 093130372A TW 93130372 A TW93130372 A TW 93130372A TW I327217 B TWI327217 B TW I327217B
Authority
TW
Taiwan
Prior art keywords
light
level
color
mark
receiving amount
Prior art date
Application number
TW093130372A
Other languages
English (en)
Chinese (zh)
Other versions
TW200532173A (en
Inventor
Takayuki Ochiai
Original Assignee
Sunx 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 Sunx Ltd filed Critical Sunx Ltd
Publication of TW200532173A publication Critical patent/TW200532173A/zh
Application granted granted Critical
Publication of TWI327217B publication Critical patent/TWI327217B/zh

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)
TW093130372A 2004-03-23 2004-10-07 Photoelectric sensor TWI327217B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
TW200532173A TW200532173A (en) 2005-10-01
TWI327217B true TWI327217B (en) 2010-07-11

Family

ID=34858414

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093130372A TWI327217B (en) 2004-03-23 2004-10-07 Photoelectric sensor

Country Status (6)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2300804B1 (en) * 2008-06-20 2012-02-01 77 Elektronika Müszeripari 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
KR20050094748A (ko) 2005-09-28
US20050213110A1 (en) 2005-09-29
US7227640B2 (en) 2007-06-05
CN1673698A (zh) 2005-09-28
TW200532173A (en) 2005-10-01
JP2005274231A (ja) 2005-10-06
EP1580541A1 (en) 2005-09-28

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees