DE69523273D1 - Vorrichtung zum Lesen eines zweidimensionalen Codes - Google Patents

Vorrichtung zum Lesen eines zweidimensionalen Codes

Info

Publication number
DE69523273D1
DE69523273D1 DE69523273T DE69523273T DE69523273D1 DE 69523273 D1 DE69523273 D1 DE 69523273D1 DE 69523273 T DE69523273 T DE 69523273T DE 69523273 T DE69523273 T DE 69523273T DE 69523273 D1 DE69523273 D1 DE 69523273D1
Authority
DE
Germany
Prior art keywords
reading
dimensional code
dimensional
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
DE69523273T
Other languages
English (en)
Other versions
DE69523273T2 (de
Inventor
Masahiro Hara
Motoaki Watabe
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.)
Denso Corp
Original Assignee
Denso 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 Denso Corp filed Critical Denso Corp
Application granted granted Critical
Publication of DE69523273D1 publication Critical patent/DE69523273D1/de
Publication of DE69523273T2 publication Critical patent/DE69523273T2/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
    • G06K7/1093—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, after transfer of the image of the data-field to an intermediate store, e.g. storage with cathode ray tube
    • 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
    • G06K7/14—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
    • G06K7/1404—Methods for optical code recognition
    • G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/1417—2D bar codes
    • 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
    • G06K7/14—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
    • G06K7/1404—Methods for optical code recognition
    • G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
    • G06K7/1456—Methods for optical code recognition including a method step for retrieval of the optical code determining the orientation of the optical code with respect to the reader and correcting therefore
DE69523273T 1994-12-26 1995-12-18 Vorrichtung zum Lesen eines zweidimensionalen Codes Expired - Lifetime DE69523273T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6322873A JP2867904B2 (ja) 1994-12-26 1994-12-26 ２次元コード読取装置

Publications (2)

Publication Number Publication Date
DE69523273D1 true DE69523273D1 (de) 2001-11-22
DE69523273T2 DE69523273T2 (de) 2002-07-25

Family

ID=18148569

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69523273T Expired - Lifetime DE69523273T2 (de) 1994-12-26 1995-12-18 Vorrichtung zum Lesen eines zweidimensionalen Codes

Country Status (4)

Country Link
US (1) US5691527A (de)
EP (1) EP0720113B1 (de)
JP (1) JP2867904B2 (de)
DE (1) DE69523273T2 (de)

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Also Published As

Publication number Publication date
JPH08180125A (ja) 1996-07-12
US5691527A (en) 1997-11-25
JP2867904B2 (ja) 1999-03-10
EP0720113A3 (de) 1997-10-15
EP0720113A2 (de) 1996-07-03
DE69523273T2 (de) 2002-07-25
EP0720113B1 (de) 2001-10-17

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Legal Events

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