GB2256298B - Barcode reading - Google Patents

Barcode reading

Info

Publication number
GB2256298B
GB2256298B GB9111662A GB9111662A GB2256298B GB 2256298 B GB2256298 B GB 2256298B GB 9111662 A GB9111662 A GB 9111662A GB 9111662 A GB9111662 A GB 9111662A GB 2256298 B GB2256298 B GB 2256298B
Authority
GB
United Kingdom
Prior art keywords
barcode reading
barcode
reading
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
GB9111662A
Other versions
GB2256298A (en
GB9111662D0 (en
Inventor
Simon Charles Webster
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi 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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB9111662A priority Critical patent/GB2256298B/en
Publication of GB9111662D0 publication Critical patent/GB9111662D0/en
Publication of GB2256298A publication Critical patent/GB2256298A/en
Application granted granted Critical
Publication of GB2256298B publication Critical patent/GB2256298B/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
    • G06K7/10544—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
    • G06K7/10554—Moving beam scanning
    • G06K7/10564—Light sources
    • 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
    • G06K2207/00—Other aspects
    • G06K2207/1018—Source control

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Optical Scanning Systems (AREA)
GB9111662A 1991-05-31 1991-05-31 Barcode reading Expired - Fee Related GB2256298B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9111662A GB2256298B (en) 1991-05-31 1991-05-31 Barcode reading

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9111662A GB2256298B (en) 1991-05-31 1991-05-31 Barcode reading

Publications (3)

Publication Number Publication Date
GB9111662D0 GB9111662D0 (en) 1991-07-24
GB2256298A GB2256298A (en) 1992-12-02
GB2256298B true GB2256298B (en) 1994-08-24

Family

ID=10695824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9111662A Expired - Fee Related GB2256298B (en) 1991-05-31 1991-05-31 Barcode reading

Country Status (1)

Country Link
GB (1) GB2256298B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6651888B1 (en) 1999-02-02 2003-11-25 Symbol Technologies, Inc. Beam shaping system and diverging laser beam for scanning optical code
US6633433B2 (en) 1999-06-11 2003-10-14 Symbol Technologies, Inc. Beam shaping for optical scanners
US6540145B2 (en) 1999-06-11 2003-04-01 Symbol Technologies, Inc. Aperture controlled laser beam shaping techniques for scanning optical code

Also Published As

Publication number Publication date
GB2256298A (en) 1992-12-02
GB9111662D0 (en) 1991-07-24

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Legal Events

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

Effective date: 19960531