AU2001284468A1 - Dot code and dot code reader - Google Patents

Dot code and dot code reader

Info

Publication number
AU2001284468A1
AU2001284468A1 AU2001284468A AU8446801A AU2001284468A1 AU 2001284468 A1 AU2001284468 A1 AU 2001284468A1 AU 2001284468 A AU2001284468 A AU 2001284468A AU 8446801 A AU8446801 A AU 8446801A AU 2001284468 A1 AU2001284468 A1 AU 2001284468A1
Authority
AU
Australia
Prior art keywords
dot code
reader
code reader
dot
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.)
Abandoned
Application number
AU2001284468A
Inventor
Hideki Chujo
Manabu Ohshima
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.)
Omron Corp
Original Assignee
Omron Corp
Omron Tateisi Electronics Co
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 Omron Corp, Omron Tateisi Electronics Co filed Critical Omron Corp
Publication of AU2001284468A1 publication Critical patent/AU2001284468A1/en
Abandoned 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
    • G06K7/1417—2D bar codes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
    • G06K1/121—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by printing code marks
    • 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
    • G06K7/10—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
    • G06K7/1469—Methods for optical code recognition the method including quality enhancement steps using sub-pixel interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Quality & Reliability (AREA)
  • Image Processing (AREA)
  • Printers Characterized By Their Purpose (AREA)
AU2001284468A 2000-09-12 2001-09-07 Dot code and dot code reader Abandoned AU2001284468A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000276167 2000-09-12
JP2000-276167 2000-09-12
PCT/JP2001/007761 WO2002023464A1 (en) 2000-09-12 2001-09-07 Dot code and dot code reader

Publications (1)

Publication Number Publication Date
AU2001284468A1 true AU2001284468A1 (en) 2002-03-26

Family

ID=18761681

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001284468A Abandoned AU2001284468A1 (en) 2000-09-12 2001-09-07 Dot code and dot code reader

Country Status (4)

Country Link
US (1) US20040039982A1 (en)
JP (1) JPWO2002023464A1 (en)
AU (1) AU2001284468A1 (en)
WO (1) WO2002023464A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2952993A1 (en) 2002-09-26 2004-04-08 Kenji Yoshida Information reproducing method, information inputting/outputting method,information reproducing device, portable information inputting/outputting device and electronic toy using dot pattern
TWI249141B (en) * 2004-07-12 2006-02-11 Sunplus Technology Co Ltd Document having index data and system for reading document having index data
CN101091185B (en) 2004-12-28 2010-06-09 吉田健治 Information input/output method using dot pattern
US8031375B2 (en) 2005-04-28 2011-10-04 Kenji Yoshida Information input/output method using dot pattern
JP3771252B1 (en) 2005-07-01 2006-04-26 健治 吉田 Dot pattern

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03217990A (en) * 1990-01-23 1991-09-25 Ricoh Co Ltd Binary information processing system
US5712666A (en) * 1991-08-09 1998-01-27 Canon Kabushiki Kaisha Recording apparatus
EP0670555B1 (en) * 1992-09-28 2000-07-26 Olympus Optical Co., Ltd. Medium with dot code and information recording system
JPH0830977A (en) * 1994-07-19 1996-02-02 Olympus Optical Co Ltd Information recording medium and information recording and reproducing system
JP2952170B2 (en) * 1994-12-16 1999-09-20 オリンパス光学工業株式会社 Information reproduction system
JP3676443B2 (en) * 1995-09-01 2005-07-27 オリンパス株式会社 Information reproducing apparatus and information reproducing method
JPH09114951A (en) * 1995-10-23 1997-05-02 Olympus Optical Co Ltd Information recording medium
JP2000094753A (en) * 1998-09-25 2000-04-04 Canon Inc Recording apparatus and method for controlling recording apparatus
JP3458737B2 (en) * 1998-11-27 2003-10-20 株式会社デンソー Reading method of two-dimensional code and recording medium

Also Published As

Publication number Publication date
JPWO2002023464A1 (en) 2004-01-22
US20040039982A1 (en) 2004-02-26
WO2002023464A1 (en) 2002-03-21

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