DE69130786T2 - Verfahren zum Kodieren digitaler Informationen - Google Patents

Verfahren zum Kodieren digitaler Informationen

Info

Publication number
DE69130786T2
DE69130786T2 DE69130786T DE69130786T DE69130786T2 DE 69130786 T2 DE69130786 T2 DE 69130786T2 DE 69130786 T DE69130786 T DE 69130786T DE 69130786 T DE69130786 T DE 69130786T DE 69130786 T2 DE69130786 T2 DE 69130786T2
Authority
DE
Germany
Prior art keywords
methods
digital information
encoding digital
encoding
information
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
DE69130786T
Other languages
English (en)
Other versions
DE69130786D1 (de
Inventor
Dan S Bloomberg
David L Hecht
Robert F Tow
L Prasadam Flores
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE69130786D1 publication Critical patent/DE69130786D1/de
Publication of DE69130786T2 publication Critical patent/DE69130786T2/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
    • G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/143—Glyph-codes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
    • 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
    • G06K7/01—Details
    • G06K7/016—Synchronisation of sensing process
    • G06K7/0166—Synchronisation of sensing process by means of clock-signals derived from the code marks, e.g. self-clocking code
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
DE69130786T 1990-07-31 1991-07-30 Verfahren zum Kodieren digitaler Informationen Expired - Lifetime DE69130786T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56051490A 1990-07-31 1990-07-31

Publications (2)

Publication Number Publication Date
DE69130786D1 DE69130786D1 (de) 1999-03-04
DE69130786T2 true DE69130786T2 (de) 1999-06-10

Family

ID=24238116

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69130786T Expired - Lifetime DE69130786T2 (de) 1990-07-31 1991-07-30 Verfahren zum Kodieren digitaler Informationen

Country Status (5)

Country Link
US (1) US6076738A (de)
EP (1) EP0469864B1 (de)
JP (1) JPH0766429B2 (de)
CA (1) CA2044404C (de)
DE (1) DE69130786T2 (de)

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Also Published As

Publication number Publication date
EP0469864B1 (de) 1999-01-20
CA2044404A1 (en) 1992-02-01
EP0469864A2 (de) 1992-02-05
EP0469864A3 (en) 1992-04-22
JPH0766429B2 (ja) 1995-07-19
US6076738A (en) 2000-06-20
CA2044404C (en) 1998-06-23
DE69130786D1 (de) 1999-03-04
JPH04233683A (ja) 1992-08-21

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