NL1008260C2 - Optische inrichting voor het uitlezen en decoderen van een barcode. - Google Patents

Optische inrichting voor het uitlezen en decoderen van een barcode. Download PDF

Info

Publication number
NL1008260C2
NL1008260C2 NL1008260A NL1008260A NL1008260C2 NL 1008260 C2 NL1008260 C2 NL 1008260C2 NL 1008260 A NL1008260 A NL 1008260A NL 1008260 A NL1008260 A NL 1008260A NL 1008260 C2 NL1008260 C2 NL 1008260C2
Authority
NL
Netherlands
Prior art keywords
output signal
barcode
signal
contrast
amplitude
Prior art date
Application number
NL1008260A
Other languages
English (en)
Dutch (nl)
Inventor
Gerrit Boersma
Original Assignee
Scantech Bv
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 Scantech Bv filed Critical Scantech Bv
Priority to NL1008260A priority Critical patent/NL1008260C2/nl
Priority to DE69930984T priority patent/DE69930984T2/de
Priority to EP99200398A priority patent/EP0936572B8/fr
Priority to US09/247,267 priority patent/US6202928B1/en
Application granted granted Critical
Publication of NL1008260C2 publication Critical patent/NL1008260C2/nl

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
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • 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
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Facsimile Scanning Arrangements (AREA)
NL1008260A 1998-02-10 1998-02-10 Optische inrichting voor het uitlezen en decoderen van een barcode. NL1008260C2 (nl)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL1008260A NL1008260C2 (nl) 1998-02-10 1998-02-10 Optische inrichting voor het uitlezen en decoderen van een barcode.
DE69930984T DE69930984T2 (de) 1998-02-10 1999-02-10 Optische Vorrichtung zur Abtastung und Deckodierung eines Strichckodes
EP99200398A EP0936572B8 (fr) 1998-02-10 1999-02-10 Dispositif optique de lecture et de décodage d'un code à barres
US09/247,267 US6202928B1 (en) 1998-02-10 1999-02-10 Optical device for reading and decoding a barcode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1008260A NL1008260C2 (nl) 1998-02-10 1998-02-10 Optische inrichting voor het uitlezen en decoderen van een barcode.
NL1008260 1998-02-10

Publications (1)

Publication Number Publication Date
NL1008260C2 true NL1008260C2 (nl) 1999-08-11

Family

ID=19766509

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1008260A NL1008260C2 (nl) 1998-02-10 1998-02-10 Optische inrichting voor het uitlezen en decoderen van een barcode.

Country Status (4)

Country Link
US (1) US6202928B1 (fr)
EP (1) EP0936572B8 (fr)
DE (1) DE69930984T2 (fr)
NL (1) NL1008260C2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE337586T1 (de) * 2000-11-10 2006-09-15 Datalogic Spa Vorrichtung zum lesen kodierter informationen
EP1205873B1 (fr) * 2000-11-14 2006-09-27 Datalogic S.P.A. Procédé pour localiser les transitions entre les éléments d'un code à barres
CA2565905C (fr) * 2004-05-11 2010-01-19 Cadbury Adams Usa Llc Emballage de plaquettes de chewing-gum avec retention de rabat
US7506816B2 (en) * 2004-10-04 2009-03-24 Datalogic Scanning, Inc. System and method for determining a threshold for edge detection based on an undifferentiated equalized scan line signal
US20060164211A1 (en) * 2005-01-26 2006-07-27 Brown Dolphus J Deliberate Multiple and Consecutive Data Scanning Process
CN107923834B (zh) 2015-08-28 2022-04-19 高准公司 用于生成合成时间段输出信号的方法
DE202025100910U1 (de) * 2025-02-20 2026-07-02 Leuze Electronic Gmbh + Co. Kg Codeleser

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740675A (en) * 1986-04-10 1988-04-26 Hewlett-Packard Company Digital bar code slot reader with threshold comparison of the differentiated bar code signal
US5298728A (en) * 1991-11-01 1994-03-29 Spectra-Physics Scanning System, Inc. Signal processing apparatus and method
EP0661661A1 (fr) * 1993-12-13 1995-07-05 NCR International, Inc. Méthode et appareil de lecture de code à barres
US5581072A (en) * 1989-06-16 1996-12-03 Symbol Technologies Inc. Digitizing circuit for a laser scanner including positive peak detectors

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5502311A (en) * 1992-01-17 1996-03-26 Nikon Corporation Method of and apparatus for detecting plane position
DE4411023C2 (de) * 1994-03-30 1996-04-04 Leuze Electronic Gmbh & Co Optoelektronische Vorrichtung zum Erkennen von Kontrastmarken und Verfahren zur Reduktion von Signalverzerrungen für eine optoelektronische Vorrichtung zum Erkennen von Kontrastmarken
US5631457A (en) * 1994-08-17 1997-05-20 Olympus Optical Co., Ltd. Two-dimensional symbol data read apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740675A (en) * 1986-04-10 1988-04-26 Hewlett-Packard Company Digital bar code slot reader with threshold comparison of the differentiated bar code signal
US5581072A (en) * 1989-06-16 1996-12-03 Symbol Technologies Inc. Digitizing circuit for a laser scanner including positive peak detectors
US5298728A (en) * 1991-11-01 1994-03-29 Spectra-Physics Scanning System, Inc. Signal processing apparatus and method
EP0661661A1 (fr) * 1993-12-13 1995-07-05 NCR International, Inc. Méthode et appareil de lecture de code à barres

Also Published As

Publication number Publication date
EP0936572B1 (fr) 2006-04-26
DE69930984D1 (de) 2006-06-01
US6202928B1 (en) 2001-03-20
DE69930984T2 (de) 2006-11-23
EP0936572A1 (fr) 1999-08-18
EP0936572B8 (fr) 2006-06-07

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Legal Events

Date Code Title Description
SD Assignments of patents

Owner name: DATALOGIC S.P.A.

Owner name: SCANTECH B.V.

SD Assignments of patents

Owner name: DATALOGIC S.P.A.

Effective date: 20060907

Owner name: SCANTECH-ID HOLDING B.V.

Effective date: 20060907

VD1 Lapsed due to non-payment of the annual fee

Effective date: 20090901