DE69433492D1 - Verfahren und Vorrichtung zum Dekodieren von Streifencodes durch unabhängige Analyse von Streifen und Zwischenräumen - Google Patents

Verfahren und Vorrichtung zum Dekodieren von Streifencodes durch unabhängige Analyse von Streifen und Zwischenräumen

Info

Publication number
DE69433492D1
DE69433492D1 DE69433492T DE69433492T DE69433492D1 DE 69433492 D1 DE69433492 D1 DE 69433492D1 DE 69433492 T DE69433492 T DE 69433492T DE 69433492 T DE69433492 T DE 69433492T DE 69433492 D1 DE69433492 D1 DE 69433492D1
Authority
DE
Germany
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dark
symbol
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bars
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
DE69433492T
Other languages
English (en)
Other versions
DE69433492T2 (de
Inventor
Christopher E Smith
Mihael Klancnik
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.)
United Parcel Service of America Inc
United Parcel Service Inc
Original Assignee
United Parcel Service of America Inc
United Parcel Service Inc
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.)
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Application filed by United Parcel Service of America Inc, United Parcel Service Inc filed Critical United Parcel Service of America Inc
Application granted granted Critical
Publication of DE69433492D1 publication Critical patent/DE69433492D1/de
Publication of DE69433492T2 publication Critical patent/DE69433492T2/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
    • G06K7/14—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
    • G06K7/1443—Methods for optical code recognition including a method step for retrieval of the optical code locating of the code in an image
    • 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
    • G06K7/14—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
    • 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
    • G06K7/146—Methods for optical code recognition the method including quality enhancement steps
    • G06K7/1465—Methods for optical code recognition the method including quality enhancement steps using several successive scans of the optical code
    • 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
    • G06K7/146—Methods for optical code recognition the method including quality enhancement steps
    • G06K7/1486—Setting the threshold-width for bar codes to be decoded
DE69433492T 1993-01-29 1994-08-29 Verfahren und Vorrichtung zum Dekodieren von Streifencodes durch unabhängige Analyse von Streifen und Zwischenräumen Expired - Lifetime DE69433492T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/011,458 US5352878A (en) 1993-01-29 1993-01-29 Method and apparatus for decoding bar code symbols using independent bar and space analysis
PCT/US1994/009704 WO1996007155A1 (en) 1993-01-29 1994-08-29 Method and apparatus for decoding bar code symbols using independent bar and space analysis
EP98111652A EP0877334B1 (de) 1993-01-29 1994-08-29 Verfahren und Vorrichtung zum Dekodieren von Streifencodes durch unabhängige Analyse von Streifen und Zwischenräumen
EP94929112A EP0783739A1 (de) 1993-01-29 1994-08-29 Verfahren und vorrichtung zum dekodieren von balkencode-symbolen durch unabhängige balken- und abstandsanalyse

Publications (2)

Publication Number Publication Date
DE69433492D1 true DE69433492D1 (de) 2004-02-19
DE69433492T2 DE69433492T2 (de) 2004-10-28

Family

ID=41110784

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69433492T Expired - Lifetime DE69433492T2 (de) 1993-01-29 1994-08-29 Verfahren und Vorrichtung zum Dekodieren von Streifencodes durch unabhängige Analyse von Streifen und Zwischenräumen

Country Status (9)

Country Link
US (1) US5352878A (de)
EP (4) EP0795836B8 (de)
JP (1) JP2832645B2 (de)
AT (2) ATE241180T1 (de)
AU (1) AU7828794A (de)
CA (1) CA2191433C (de)
DE (1) DE69433492T2 (de)
ES (2) ES2214662T3 (de)
WO (1) WO1996007155A1 (de)

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US7185824B2 (en) * 2001-04-13 2007-03-06 The Code Corporation System and method for associating pre-printed machine-readable graphical codes with electronically-accessible data
US6978038B2 (en) * 2001-04-13 2005-12-20 The Code Corporation Systems and methods for pixel gain compensation in machine-readable graphical codes
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KR100339691B1 (ko) 2001-11-03 2002-06-07 한탁돈 코드인식을 위한 장치 및 그 방법
US20030163396A1 (en) * 2002-02-27 2003-08-28 John Blankevoort Systems and methods for tracking products as they move through a supply chain
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JP5657987B2 (ja) * 2010-10-07 2015-01-21 日本電産サンキョー株式会社 スタック型バーコード読取装置およびスタック型バーコード読取方法
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Also Published As

Publication number Publication date
ATE257962T1 (de) 2004-01-15
ES2214563T3 (es) 2004-09-16
AU7828794A (en) 1996-03-22
JPH09512936A (ja) 1997-12-22
CA2191433C (en) 2000-07-11
EP0795836B1 (de) 2003-05-21
EP0877334B1 (de) 2004-01-14
CA2191433A1 (en) 1996-03-07
DE69433492T2 (de) 2004-10-28
EP0795836A2 (de) 1997-09-17
EP0877334A2 (de) 1998-11-11
EP0795836A3 (de) 1999-12-08
EP0783739A1 (de) 1997-07-16
EP0795836B8 (de) 2003-08-13
EP0785521A2 (de) 1997-07-23
US5352878A (en) 1994-10-04
JP2832645B2 (ja) 1998-12-09
EP0877334A3 (de) 2000-12-06
EP0785521A3 (de) 2001-05-16
WO1996007155A1 (en) 1996-03-07
ES2214662T3 (es) 2004-09-16
EP0785521B1 (de) 2004-01-21
ATE241180T1 (de) 2003-06-15

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