AU2001238715A1 - Scanner utilizing light pipe with diffuser - Google Patents

Scanner utilizing light pipe with diffuser

Info

Publication number
AU2001238715A1
AU2001238715A1 AU2001238715A AU3871501A AU2001238715A1 AU 2001238715 A1 AU2001238715 A1 AU 2001238715A1 AU 2001238715 A AU2001238715 A AU 2001238715A AU 3871501 A AU3871501 A AU 3871501A AU 2001238715 A1 AU2001238715 A1 AU 2001238715A1
Authority
AU
Australia
Prior art keywords
diffuser
light pipe
utilizing light
scanner utilizing
scanner
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.)
Abandoned
Application number
AU2001238715A
Inventor
Abbas Hosseini
Gajendra D. Savant
Rick L. Shie
San Zhuang Wang
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.)
Physical Optics Corp
Original Assignee
Physical Optics 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 Physical Optics Corp filed Critical Physical Optics Corp
Publication of AU2001238715A1 publication Critical patent/AU2001238715A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • G06K7/10742—Photodetector array or CCD scanning including a diffuser for diffusing the light from the light source to create substantially uniform illumination of the target record carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • G06K7/10732—Light sources

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Toxicology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Planar Illumination Modules (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)
AU2001238715A 2000-03-02 2001-02-27 Scanner utilizing light pipe with diffuser Abandoned AU2001238715A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US51724000A 2000-03-02 2000-03-02
US09517240 2000-03-02
PCT/US2001/006399 WO2001065469A1 (en) 2000-03-02 2001-02-27 Scanner utilizing light pipe with diffuser

Publications (1)

Publication Number Publication Date
AU2001238715A1 true AU2001238715A1 (en) 2001-09-12

Family

ID=24058972

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001238715A Abandoned AU2001238715A1 (en) 2000-03-02 2001-02-27 Scanner utilizing light pipe with diffuser

Country Status (8)

Country Link
EP (1) EP1266342A4 (en)
JP (1) JP2003525472A (en)
KR (1) KR100933386B1 (en)
CN (1) CN1327383C (en)
AU (1) AU2001238715A1 (en)
CA (2) CA2708355C (en)
TW (1) TW501359B (en)
WO (1) WO2001065469A1 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2405322T3 (en) 2001-08-06 2013-05-30 Mei, Inc. Document validator sub-assembly
US9536124B1 (en) 2003-10-24 2017-01-03 Cognex Corporation Integrated illumination assembly for symbology reader
US7823789B2 (en) 2004-12-21 2010-11-02 Cognex Technology And Investment Corporation Low profile illumination for direct part mark readers
US7604174B2 (en) 2003-10-24 2009-10-20 Cognex Technology And Investment Corporation Method and apparatus for providing omnidirectional lighting in a scanning device
US7874487B2 (en) * 2005-10-24 2011-01-25 Cognex Technology And Investment Corporation Integrated illumination assembly for symbology reader
US7823783B2 (en) 2003-10-24 2010-11-02 Cognex Technology And Investment Corporation Light pipe illumination system and method
US9070031B2 (en) 2003-10-24 2015-06-30 Cognex Technology And Investment Llc Integrated illumination assembly for symbology reader
US7163149B2 (en) 2004-03-02 2007-01-16 Symbol Technologies, Inc. System and method for illuminating and reading optical codes imprinted or displayed on reflective surfaces
WO2005086071A2 (en) * 2004-03-02 2005-09-15 Symbol Technologies, Inc. System and method for reading optical codes imprinted on or displayed on reflective surfaces
US9292724B1 (en) 2004-12-16 2016-03-22 Cognex Corporation Hand held symbology reader illumination diffuser with aimer optics
US7617984B2 (en) 2004-12-16 2009-11-17 Cognex Technology And Investment Corporation Hand held symbology reader illumination diffuser
KR20060129117A (en) 2005-06-10 2006-12-15 삼성전자주식회사 Apparatus for controlling in microwave oven using a bar-code and method the same
CN102483799B (en) * 2009-09-17 2016-06-08 霍夫曼-拉罗奇有限公司 High-density bar code for medical science consumable articles
US8450708B2 (en) * 2010-06-02 2013-05-28 Symbol Technologies, Inc. Arrangement for and method of generating uniform distributed illumination pattern for imaging reader
CN101893759B (en) * 2010-07-14 2012-07-11 世大光电(深圳)有限公司 Optics monitoring system and electronic device comprising same
CN102122000A (en) * 2010-12-16 2011-07-13 山东新北洋信息技术股份有限公司 Slice-like medium detector and slice-like medium processor
CN102865999B (en) * 2011-07-08 2015-03-04 中国科学院微电子研究所 LED optical characteristic detection method and detection device
US8876006B2 (en) * 2012-10-25 2014-11-04 Symbol Technologies, Inc. Compact imaging module with adjustable aiming pattern and arrangement for and method of spatially adjusting the aiming pattern
CN103279729B (en) * 2013-05-21 2016-01-20 苏州斯普锐智能系统有限公司 A kind of barcode scanner with shading part
CN105022979B (en) * 2015-07-27 2018-01-16 深圳市民德电子科技股份有限公司 Imaging system and the image recognition device that light-supplementing system optical axis is in that angle is set
US10502618B2 (en) 2016-12-03 2019-12-10 Waymo Llc Waveguide diffuser for light detection using an aperture
US11003875B2 (en) * 2018-11-01 2021-05-11 Cognex Corporation Handheld ID-reading system with integrated illumination assembly
US11120236B1 (en) * 2020-02-27 2021-09-14 Zebra Technologies Corporation Optical arrangement in machine vision system with diffusive and direct illumination for DPM indicia
US12060991B1 (en) 2023-11-17 2024-08-13 Brady Worldwide, Inc. Light pipe with uniform and segmented light outputs for barcode-reading devices

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58168076A (en) * 1982-03-30 1983-10-04 Fujitsu Ltd Formation of phase type hologram
CA1268969A (en) * 1986-01-15 1990-05-15 Sanford Cobb, Jr. Totally internally reflecting light conduit
US4787688A (en) * 1987-09-28 1988-11-29 Eastman Kodak Company Hologon and method of manufacturing a hologon
EP0479490A3 (en) 1990-10-02 1992-08-12 Physical Optics Corporation Volume holographic diffuser
US5756981A (en) * 1992-02-27 1998-05-26 Symbol Technologies, Inc. Optical scanner for reading and decoding one- and-two-dimensional symbologies at variable depths of field including memory efficient high speed image processing means and high accuracy image analysis means
US5586212A (en) * 1994-07-06 1996-12-17 Hewlett-Packard Optical wave guide for hand-held scanner
US5770847A (en) 1994-12-23 1998-06-23 Spectra-Physics Scanning Systems, Inc. Bar code reader with multi-focus lens
US5838403A (en) * 1996-02-14 1998-11-17 Physical Optics Corporation Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing
US5956080A (en) * 1996-04-25 1999-09-21 Sanyo Electric Co., Ltd. Printing face inspecting apparatus
JPH10190956A (en) * 1996-12-24 1998-07-21 Rohm Co Ltd Linear light source device, light transmission member used therefor, and image reader provided with linear light source employing the light transmission member
GB9724781D0 (en) * 1997-11-24 1998-01-21 Ncr Int Inc Visual displays
JPH11242120A (en) * 1998-02-25 1999-09-07 Sharp Corp Element hologram panel and reproduced image generator using the panel
JP2000261865A (en) * 1999-03-04 2000-09-22 Koito Ind Ltd Remote controller of washing device
JP2001033851A (en) * 1999-07-21 2001-02-09 Olympus Optical Co Ltd Stroboscopic device

Also Published As

Publication number Publication date
WO2001065469A1 (en) 2001-09-07
CN1327383C (en) 2007-07-18
JP2003525472A (en) 2003-08-26
TW501359B (en) 2002-09-01
CA2406616A1 (en) 2001-09-07
CN1426570A (en) 2003-06-25
KR20020081382A (en) 2002-10-26
KR100933386B1 (en) 2009-12-22
EP1266342A4 (en) 2005-03-30
CA2708355A1 (en) 2001-09-07
CA2708355C (en) 2012-05-29
EP1266342A1 (en) 2002-12-18
CA2406616C (en) 2010-09-28

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