DE69814105D1 - Verfahren zur automatischen Regulierung der Eigenschaften eines optischen Codelesesystems - Google Patents

Verfahren zur automatischen Regulierung der Eigenschaften eines optischen Codelesesystems

Info

Publication number
DE69814105D1
DE69814105D1 DE69814105T DE69814105T DE69814105D1 DE 69814105 D1 DE69814105 D1 DE 69814105D1 DE 69814105 T DE69814105 T DE 69814105T DE 69814105 T DE69814105 T DE 69814105T DE 69814105 D1 DE69814105 D1 DE 69814105D1
Authority
DE
Germany
Prior art keywords
reading
characteristic quantities
image
controlled
optical code
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 - Lifetime
Application number
DE69814105T
Other languages
English (en)
Other versions
DE69814105T2 (de
Inventor
Claudio Saporetti
Stefano Amorosi
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.)
Datalogic SpA
Original Assignee
Datalogic SpA
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 Datalogic SpA filed Critical Datalogic SpA
Publication of DE69814105D1 publication Critical patent/DE69814105D1/de
Application granted granted Critical
Publication of DE69814105T2 publication Critical patent/DE69814105T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06K7/10821—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
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Devices (AREA)
  • Image Input (AREA)
  • Character Discrimination (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69814105T 1998-12-22 1998-12-22 Verfahren zur automatischen Regulierung der Eigenschaften eines optischen Codelesesystems Expired - Lifetime DE69814105T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98830773A EP1014292B1 (de) 1998-12-22 1998-12-22 Verfahren zur automatischen Regulierung der Eigenschaften eines optischen Codelesesystems

Publications (2)

Publication Number Publication Date
DE69814105D1 true DE69814105D1 (de) 2003-06-05
DE69814105T2 DE69814105T2 (de) 2004-04-01

Family

ID=8236923

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69814105T Expired - Lifetime DE69814105T2 (de) 1998-12-22 1998-12-22 Verfahren zur automatischen Regulierung der Eigenschaften eines optischen Codelesesystems

Country Status (5)

Country Link
US (1) US6616039B1 (de)
EP (1) EP1014292B1 (de)
JP (1) JP4571258B2 (de)
AT (1) ATE239268T1 (de)
DE (1) DE69814105T2 (de)

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JP3548783B2 (ja) * 2002-12-10 2004-07-28 オムロン株式会社 光学コード読取方法及び装置
US7823783B2 (en) 2003-10-24 2010-11-02 Cognex Technology And Investment Corporation Light pipe illumination system and method
US7604174B2 (en) * 2003-10-24 2009-10-20 Cognex Technology And Investment Corporation Method and apparatus for providing omnidirectional lighting in a scanning device
US7823789B2 (en) 2004-12-21 2010-11-02 Cognex Technology And Investment Corporation Low profile illumination for direct part mark readers
US9536124B1 (en) 2003-10-24 2017-01-03 Cognex Corporation Integrated illumination assembly for symbology reader
US9070031B2 (en) 2003-10-24 2015-06-30 Cognex Technology And Investment Llc Integrated illumination assembly for symbology reader
US7874487B2 (en) 2005-10-24 2011-01-25 Cognex Technology And Investment Corporation Integrated illumination assembly for symbology reader
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
JP4254724B2 (ja) 2005-02-16 2009-04-15 株式会社デンソーウェーブ バーコード読取り方法及びコンピュータプログラム
US7913921B2 (en) * 2007-04-16 2011-03-29 Microsoft Corporation Optically trackable tag
US8267321B2 (en) 2008-02-11 2012-09-18 International Business Machines Corporation Enhanced-density barcode
US9104934B2 (en) * 2010-03-31 2015-08-11 Hand Held Products, Inc. Document decoding system and method for improved decoding performance of indicia reading terminal
US10621397B2 (en) * 2010-06-17 2020-04-14 Hand Held Products, Inc. Intelligent indicia reader
JP5892625B2 (ja) * 2014-01-07 2016-03-23 Ｎｅｃプラットフォームズ株式会社 コード読取装置、コード読取方法、及びコード読取プログラム
US10650211B2 (en) * 2018-03-28 2020-05-12 Datalogic IP Tech, S.r.l. Artificial intelligence-based machine readable symbol reader
EP3591567B1 (de) 2018-07-02 2020-09-02 Sick Ag Optoelektronischer sensor und verfahren zur wiederholten optischen erfassung von objekten in unterschiedlichem objektabstand
US10534942B1 (en) * 2018-08-23 2020-01-14 Zebra Technologies Corporation Method and apparatus for calibrating a client computing device for decoding symbols
EP4124991B1 (de) 2021-07-30 2023-11-15 Sick Ag Verfahren zum automatischen einrichten einer codelesevorrichtung und kamerabasierte codelesevorrichtung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5478997A (en) * 1988-10-21 1995-12-26 Symbol Technologies, Inc. Symbol scanning system and method having adaptive pattern generation
US5569901A (en) * 1988-10-21 1996-10-29 Symbol Technologies, Inc. Symbol scanning system and method having adaptive pattern generation
US5396053A (en) * 1988-10-21 1995-03-07 Symbol Technologies, Inc. Method of adjusting electrical circuit parameters during manufacture of a bar code scanner
US5155343A (en) * 1990-03-28 1992-10-13 Chandler Donald G Omnidirectional bar code reader with method and apparatus for detecting and scanning a bar code symbol
FR2675607B1 (fr) * 1991-04-18 1993-08-27 Banque De France Procede pour analyser un document fiduciaire ou de securite presentant un graphisme imprime et deux signes de securite superposes, et dispositif pour la mise en óoeuvre du procede.
US5811828A (en) * 1991-09-17 1998-09-22 Norand Corporation Portable reader system having an adjustable optical focusing means for reading optical information over a substantial range of distances
JP2825141B2 (ja) * 1992-09-26 1998-11-18 富士通株式会社 多段バーコード読取装置
US5612529A (en) * 1994-10-31 1997-03-18 Psc Inc. System for bar code reading and scanning with automatic gain control
JPH09297807A (ja) * 1996-04-30 1997-11-18 Toshiba Corp バーコード読み取り装置およびバーコード読み取り方法
US5969325A (en) * 1996-06-03 1999-10-19 Accu-Sort Systems, Inc. High speed image acquisition system and method of processing and decoding barcode symbol
JP3635829B2 (ja) * 1996-12-10 2005-04-06 松下電器産業株式会社 バーコード読み取り装置
DE69627871T2 (de) * 1996-12-30 2004-01-29 Datalogic Spa Verfahren zum Lesen eines auf einem Objekt aufgebrachten Barkodes
US6219438B1 (en) * 1997-09-02 2001-04-17 Lucent Technologies Inc. Produce indentifier using barcode scanner and wavelet image processing and having compensation for dirt accumulated on viewing window
US5969326A (en) * 1998-01-14 1999-10-19 Intermec Ip Corp. Method and apparatus of autodiscriminating in symbol reader employing prioritized and updated table of symbologies

Also Published As

Publication number Publication date
JP4571258B2 (ja) 2010-10-27
US6616039B1 (en) 2003-09-09
EP1014292B1 (de) 2003-05-02
JP2000231600A (ja) 2000-08-22
ATE239268T1 (de) 2003-05-15
EP1014292A1 (de) 2000-06-28
DE69814105T2 (de) 2004-04-01

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