HK1024550A1 - Method for reading a border-less clock free two-dimensional barcode - Google Patents

Method for reading a border-less clock free two-dimensional barcode

Info

Publication number
HK1024550A1
HK1024550A1 HK00102439A HK00102439A HK1024550A1 HK 1024550 A1 HK1024550 A1 HK 1024550A1 HK 00102439 A HK00102439 A HK 00102439A HK 00102439 A HK00102439 A HK 00102439A HK 1024550 A1 HK1024550 A1 HK 1024550A1
Authority
HK
Hong Kong
Prior art keywords
border
reading
dimensional barcode
less clock
clock free
Prior art date
Application number
HK00102439A
Other languages
English (en)
Inventor
Jangjing Zhou
Daniel P Lopresti
Andrew Tomkins
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of HK1024550A1 publication Critical patent/HK1024550A1/xx

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
    • 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
    • G06K19/06018—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 one-dimensional coding
    • G06K19/06028—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 one-dimensional coding using bar 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Facsimiles In General (AREA)
  • Character Input (AREA)
HK00102439A 1998-06-01 2000-04-25 Method for reading a border-less clock free two-dimensional barcode HK1024550A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/088,189 US6201901B1 (en) 1998-06-01 1998-06-01 Border-less clock free two-dimensional barcode and method for printing and reading the same

Publications (1)

Publication Number Publication Date
HK1024550A1 true HK1024550A1 (en) 2000-10-13

Family

ID=22209897

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00102439A HK1024550A1 (en) 1998-06-01 2000-04-25 Method for reading a border-less clock free two-dimensional barcode

Country Status (7)

Country Link
US (3) US6201901B1 (xx)
EP (1) EP0962883B1 (xx)
JP (1) JP2000132651A (xx)
CN (1) CN1161705C (xx)
CA (1) CA2271523A1 (xx)
DE (1) DE69929572T2 (xx)
HK (1) HK1024550A1 (xx)

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Also Published As

Publication number Publication date
CN1161705C (zh) 2004-08-11
EP0962883A3 (en) 2002-05-22
US6418244B2 (en) 2002-07-09
US6201901B1 (en) 2001-03-13
DE69929572T2 (de) 2006-08-10
US20010005867A1 (en) 2001-06-28
CN1245944A (zh) 2000-03-01
CA2271523A1 (en) 1999-12-01
JP2000132651A (ja) 2000-05-12
US20010007116A1 (en) 2001-07-05
EP0962883A2 (en) 1999-12-08
DE69929572D1 (de) 2006-04-13
EP0962883B1 (en) 2006-01-25

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20100528