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GB2424109B - Information encoding methods, and sets of graphical codes - Google Patents

Information encoding methods, and sets of graphical codes

Info

Publication number
GB2424109B
GB2424109B GB0504759A GB0504759A GB2424109B GB 2424109 B GB2424109 B GB 2424109B GB 0504759 A GB0504759 A GB 0504759A GB 0504759 A GB0504759 A GB 0504759A GB 2424109 B GB2424109 B GB 2424109B
Authority
GB
United Kingdom
Prior art keywords
sets
information encoding
encoding methods
graphical codes
graphical
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 - Fee Related
Application number
GB0504759A
Other versions
GB2424109A (en
GB0504759D0 (en
Inventor
Edmund Peter Sparks
Christopher George Harris
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research 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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Priority to GB0504759A priority Critical patent/GB2424109B/en
Publication of GB0504759D0 publication Critical patent/GB0504759D0/en
Publication of GB2424109A publication Critical patent/GB2424109A/en
Application granted granted Critical
Publication of GB2424109B publication Critical patent/GB2424109B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G06K7/10544—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
    • G06K7/1095—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 the scanner comprising adaptations for scanning a record carrier that is displayed on a display-screen or the like

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Information Transfer Between Computers (AREA)
GB0504759A 2005-03-08 2005-03-08 Information encoding methods, and sets of graphical codes Expired - Fee Related GB2424109B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0504759A GB2424109B (en) 2005-03-08 2005-03-08 Information encoding methods, and sets of graphical codes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0504759A GB2424109B (en) 2005-03-08 2005-03-08 Information encoding methods, and sets of graphical codes

Publications (3)

Publication Number Publication Date
GB0504759D0 GB0504759D0 (en) 2005-04-13
GB2424109A GB2424109A (en) 2006-09-13
GB2424109B true GB2424109B (en) 2008-02-27

Family

ID=34452012

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0504759A Expired - Fee Related GB2424109B (en) 2005-03-08 2005-03-08 Information encoding methods, and sets of graphical codes

Country Status (1)

Country Link
GB (1) GB2424109B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107016316B (en) 2016-10-24 2020-01-31 阿里巴巴集团控股有限公司 barcode identification method and device
WO2020214182A1 (en) * 2019-04-18 2020-10-22 Hewlett-Packard Development Company, L.P. Adjusting camera operation for encoded images

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0439682A2 (en) * 1990-01-05 1991-08-07 Symbol Technologies, Inc. High density two dimensional symbology
US6666377B1 (en) * 2000-07-18 2003-12-23 Scott C. Harris Bar code data entry device
US20040017945A1 (en) * 1998-06-30 2004-01-29 Sony Corporation Two-dimensional code recognition processing method, two-dimensional code recognition processing apparatus, and storage medium

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0439682A2 (en) * 1990-01-05 1991-08-07 Symbol Technologies, Inc. High density two dimensional symbology
US20040017945A1 (en) * 1998-06-30 2004-01-29 Sony Corporation Two-dimensional code recognition processing method, two-dimensional code recognition processing apparatus, and storage medium
US6666377B1 (en) * 2000-07-18 2003-12-23 Scott C. Harris Bar code data entry device

Also Published As

Publication number Publication date
GB2424109A (en) 2006-09-13
GB0504759D0 (en) 2005-04-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090308