DE3787570T2 - Optischer Abtaster zum Lesen von Strichkodierungen, die in einem tiefgestaffelten Feld zu ermitteln sind. - Google Patents

Optischer Abtaster zum Lesen von Strichkodierungen, die in einem tiefgestaffelten Feld zu ermitteln sind.

Info

Publication number
DE3787570T2
DE3787570T2 DE87105699T DE3787570T DE3787570T2 DE 3787570 T2 DE3787570 T2 DE 3787570T2 DE 87105699 T DE87105699 T DE 87105699T DE 3787570 T DE3787570 T DE 3787570T DE 3787570 T2 DE3787570 T2 DE 3787570T2
Authority
DE
Germany
Prior art keywords
scanning
focal
bar code
label
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.)
Expired - Fee Related
Application number
DE87105699T
Other languages
German (de)
English (en)
Other versions
DE3787570D1 (de
Inventor
Leroy David Dickson
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE3787570D1 publication Critical patent/DE3787570D1/de
Application granted granted Critical
Publication of DE3787570T2 publication Critical patent/DE3787570T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06K7/10821—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 further details of bar or optical code scanning devices
    • G06K7/10861—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 further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
    • G06K7/10871—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 further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels randomly oriented data-fields, code-marks therefore, e.g. concentric circles-code
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/106—Scanning systems having diffraction gratings as scanning elements, e.g. holographic scanners
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1013—Multi-focal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Optical Scanning Systems (AREA)
DE87105699T 1986-06-13 1987-04-16 Optischer Abtaster zum Lesen von Strichkodierungen, die in einem tiefgestaffelten Feld zu ermitteln sind. Expired - Fee Related DE3787570T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/873,934 US4748316A (en) 1986-06-13 1986-06-13 Optical scanner for reading bar codes detected within a large depth of field

Publications (2)

Publication Number Publication Date
DE3787570D1 DE3787570D1 (de) 1993-11-04
DE3787570T2 true DE3787570T2 (de) 1994-05-11

Family

ID=25362636

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87105699T Expired - Fee Related DE3787570T2 (de) 1986-06-13 1987-04-16 Optischer Abtaster zum Lesen von Strichkodierungen, die in einem tiefgestaffelten Feld zu ermitteln sind.

Country Status (5)

Country Link
US (1) US4748316A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0249713B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS62293489A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1248230A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3787570T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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US6382513B1 (en) 1991-07-25 2002-05-07 Symbol Technologies, Inc. Optical scanner with segmented collection mirror
US6948662B2 (en) 1991-07-25 2005-09-27 Symbol Technologies, Inc. Two-dimensional optical code scanner with scanning pattern having region of greater apparent brightness for assisting alignment of scanning pattern
US5495096A (en) * 1991-09-20 1996-02-27 Omron Corporation Multi-focus optical device
US5491328A (en) 1991-09-24 1996-02-13 Spectra-Physics Scanning Systems, Inc. Checkout counter scanner having multiple scanning surfaces
US5438187A (en) * 1991-11-01 1995-08-01 Spectra-Physics Scanning Systems, Inc. Multiple focus optical system for data reading applications
US5535023A (en) * 1991-12-20 1996-07-09 Dai Nippon Printing Co., Ltd. Method of reading hologram information
WO1993017396A1 (en) * 1992-02-21 1993-09-02 Spectra-Physics Scanning Systems, Inc. Bar code scanner
US6000619A (en) * 1992-02-21 1999-12-14 Spectra-Physics Scanning Systems, Inc. Scanner assembly
US5354977A (en) * 1992-02-27 1994-10-11 Alex Roustaei Optical scanning head
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
US5479011A (en) * 1992-12-18 1995-12-26 Spectra-Physics Scanning Systems, Inc. Variable focus optical system for data reading
US5347121A (en) * 1992-12-18 1994-09-13 Spectra-Physics Scanning Systems, Inc. Variable focus optical system for data reading
US5484990A (en) * 1993-12-15 1996-01-16 Ncr Corporation Information Solutions Company Multiple depth of field laser optical scanner
US6003772A (en) * 1994-08-17 1999-12-21 Metrologic Instruments, Inc. Holographic laser scanning system employing holographic scanning disc having dual-fringe contrast regions for optimized laser beam scanning and light collection operations
US6199759B1 (en) * 1994-08-17 2001-03-13 Metrologic Instruments, Inc. Bar code symbol scanning system having a holographic laser scanning disc utilizing maximum light collection surface area thereof and having scanning facets with optimized light collection efficiency
US6758402B1 (en) * 1994-08-17 2004-07-06 Metrologic Instruments, Inc. Bioptical holographic laser scanning system
US7051922B2 (en) * 1994-08-17 2006-05-30 Metrologic Instruments, Inc. Compact bioptical laser scanning system
US6085978A (en) * 1994-08-17 2000-07-11 Metrologic Instruments, Inc. Holographic laser scanners of modular construction and method and apparatus for designing and manufacturing the same
US6547144B1 (en) 1994-08-17 2003-04-15 Metrologic Instruments, Inc. Holographic laser scanning system for carrying out light collection operations with improved light collection efficiency
US6073846A (en) * 1994-08-17 2000-06-13 Metrologic Instruments, Inc. Holographic laser scanning system and process and apparatus and method
US6006993A (en) * 1994-08-17 1999-12-28 Metrologic Instruments, Inc. Holographic laser scanning system for carrying out laser beam scanning operations with improved scan angle multiplication efficiency and carrying out light collection operations with improved light collection efficiency
US6158659A (en) * 1994-08-17 2000-12-12 Metrologic Instruments, Inc. Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes
US6029893A (en) * 1995-05-22 2000-02-29 Symbol Technologies, Inc. Optical scanner having a reflected light collector including holographic optical elements
US5699182A (en) * 1995-05-25 1997-12-16 Xytronyx, Inc. Light fatigue resistant photochromic formulations
US6619550B1 (en) 1995-12-18 2003-09-16 Metrologic Instruments, Inc. Automated tunnel-type laser scanning system employing corner-projected orthogonal laser scanning patterns for enhanced reading of ladder and picket fence oriented bar codes on packages moving therethrough
US6629640B2 (en) * 1995-12-18 2003-10-07 Metrologic Instruments, Inc. Holographic laser scanning method and system employing visible scanning-zone indicators identifying a three-dimensional omni-directional laser scanning volume for package transport navigation
US5920407A (en) * 1997-01-09 1999-07-06 Hewlett-Packard Company Method and apparatus for applying tonal correction to image data
US6134039A (en) * 1998-01-27 2000-10-17 Psc Scanning, Inc. Wavelength dependent thermally compensated optical system
US6531262B1 (en) 1998-06-25 2003-03-11 Spectradisc Corporation Methods and apparatus for rendering an optically encoded medium unreadable and tamper-resistant
IL133243A0 (en) 1999-03-30 2001-03-19 Univ Ramot A method and system for super resolution
JP4243059B2 (ja) * 1999-07-12 2009-03-25 フレックスプレイ・テクノロジーズ・インコーポレイテッド 使捨て式光学記憶媒体とその製造方法
JP4330762B2 (ja) 2000-04-21 2009-09-16 富士フイルム株式会社 マルチビーム露光装置
US6344893B1 (en) 2000-06-19 2002-02-05 Ramot University Authority For Applied Research And Industrial Development Ltd. Super-resolving imaging system
US6982109B2 (en) * 2000-12-11 2006-01-03 Flexplay Technologies, Inc. Method for rendering surface layer of limited play disk lightfast
US20030112737A1 (en) * 2001-06-05 2003-06-19 Thompson Robert F. Limited play optical devices with interstitial reactive layer and methods of making same
US8171567B1 (en) 2002-09-04 2012-05-01 Tracer Detection Technology Corp. Authentication method and system
EP2131315A3 (en) * 2004-03-12 2011-01-26 Ingenia Technology Limited Authenticity verification by large scale illumination
WO2005088517A1 (en) 2004-03-12 2005-09-22 Ingenia Technology Limited Methods and apparatuses for creating authenticatable printed articles and subsequently verifying them
GB2417592B (en) * 2004-08-13 2006-07-26 Ingenia Technology Ltd Authenticity verification of articles
US20060294583A1 (en) * 2005-05-11 2006-12-28 Ingenia Holdings (U.K.) Limited Authenticity Verification
EP1908027B1 (en) * 2005-07-27 2010-09-29 Ingenia Holdings Limited Verification of authenticity
JP2009503670A (ja) * 2005-07-27 2009-01-29 インゲニア・テクノロジー・リミテッド 真正性検証
WO2007012821A1 (en) * 2005-07-27 2007-02-01 Ingenia Technology Limited Verification of the signature of an article created from signals obtained from scatter of coherent optical radiation from the surface of the article
GB2429950B (en) * 2005-09-08 2007-08-22 Ingenia Holdings Copying
EP2175396A3 (en) * 2005-12-23 2010-08-11 Ingenia Holdings (UK) Limited Optical authentication
GB2434442A (en) * 2006-01-16 2007-07-25 Ingenia Holdings Verification of performance attributes of packaged integrated circuits
GB2450131B (en) * 2007-06-13 2009-05-06 Ingenia Holdings Fuzzy Keys
GB2460625B (en) * 2008-05-14 2010-05-26 Ingenia Holdings Two tier authentication
GB2461253B (en) * 2008-05-23 2012-11-21 Ingenia Holdings Ltd Linearisation of scanned data
GB2462059A (en) * 2008-07-11 2010-01-27 Ingenia Holdings Authentication scanner
GB2466311B (en) * 2008-12-19 2010-11-03 Ingenia Holdings Self-calibration of a matching algorithm for determining authenticity
GB2476226B (en) 2009-11-10 2012-03-28 Ingenia Holdings Ltd Optimisation

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US3522437A (en) * 1964-12-03 1970-08-04 Farrington Electronics Inc Reading apparatus for two or more different size type fonts
GB1170234A (en) * 1965-11-12 1969-11-12 Nat Res Dev Improvements in or relating to Electronic Systems and Apparatus for Recognising Printed Characters.
NL149309B (nl) * 1969-05-10 1976-04-15 Philips Nv Karakteraftastinrichting voorzien van een schakeling voor het bepalen van de katakterhartlijn.
JPS5285419A (en) * 1976-01-09 1977-07-15 Tsubakimoto Chain Co Read depth controller for optical reader
US4160237A (en) * 1978-02-02 1979-07-03 Sperry Rand Corporation Optical reader for multiline image processing
US4224509A (en) * 1978-10-19 1980-09-23 Ncr Corporation Holographic scanning system
DE2925734C3 (de) * 1979-06-26 1982-06-24 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optisches Fehlersuchgerät für Materialbahnen
US4560862A (en) * 1983-04-26 1985-12-24 Skan-A-Matic Corp. System for optical scanning over a large depth of field
US4591242A (en) * 1984-02-13 1986-05-27 International Business Machines Corp. Optical scanner having multiple, simultaneous scan lines with different focal lengths

Also Published As

Publication number Publication date
EP0249713A2 (en) 1987-12-23
CA1248230A (en) 1989-01-03
EP0249713B1 (en) 1993-09-29
EP0249713A3 (en) 1989-10-18
US4748316A (en) 1988-05-31
JPH0566637B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-09-22
DE3787570D1 (de) 1993-11-04
JPS62293489A (ja) 1987-12-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee