[go: up one dir, main page]

GB2236002B - Self calibrating document scanner - Google Patents

Self calibrating document scanner

Info

Publication number
GB2236002B
GB2236002B GB8920644A GB8920644A GB2236002B GB 2236002 B GB2236002 B GB 2236002B GB 8920644 A GB8920644 A GB 8920644A GB 8920644 A GB8920644 A GB 8920644A GB 2236002 B GB2236002 B GB 2236002B
Authority
GB
United Kingdom
Prior art keywords
document scanner
self calibrating
calibrating document
self
scanner
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
GB8920644A
Other versions
GB8920644D0 (en
GB2236002A (en
Inventor
Mark Geoffrey Milne
Alan Gilchrist
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.)
Unisys Corp
Original Assignee
Unisys 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 Unisys Corp filed Critical Unisys Corp
Priority to GB8920644A priority Critical patent/GB2236002B/en
Publication of GB8920644D0 publication Critical patent/GB8920644D0/en
Publication of GB2236002A publication Critical patent/GB2236002A/en
Application granted granted Critical
Publication of GB2236002B publication Critical patent/GB2236002B/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
    • G06K7/01—Details
    • G06K7/015—Aligning or centering of the sensing device with respect to the record carrier
    • 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
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/146—Aligning or centring of the image pick-up or image-field
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Character Input (AREA)
GB8920644A 1989-09-12 1989-09-12 Self calibrating document scanner Expired - Fee Related GB2236002B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8920644A GB2236002B (en) 1989-09-12 1989-09-12 Self calibrating document scanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8920644A GB2236002B (en) 1989-09-12 1989-09-12 Self calibrating document scanner

Publications (3)

Publication Number Publication Date
GB8920644D0 GB8920644D0 (en) 1989-10-25
GB2236002A GB2236002A (en) 1991-03-20
GB2236002B true GB2236002B (en) 1993-08-04

Family

ID=10662966

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8920644A Expired - Fee Related GB2236002B (en) 1989-09-12 1989-09-12 Self calibrating document scanner

Country Status (1)

Country Link
GB (1) GB2236002B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2461270A (en) * 2008-06-24 2009-12-30 Neopost Technologies Optical code reader

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988000375A1 (en) * 1986-06-26 1988-01-14 Ncr Corporation Document reader

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988000375A1 (en) * 1986-06-26 1988-01-14 Ncr Corporation Document reader

Also Published As

Publication number Publication date
GB8920644D0 (en) 1989-10-25
GB2236002A (en) 1991-03-20

Similar Documents

Publication Publication Date Title
EP0644419A3 (en) Scanner.
AU639534B2 (en) Scanning arrangement
EP0508257A3 (en) Scanning microspectroscope
EP0411954A3 (en) Document scanners
EP0474002A3 (en) Print scanner
EP0410578A3 (en) Optical scanner
EP0416654A3 (en) Color scanner
IL90521A0 (en) Dual slice scanner
EP0453830A3 (en) Scanning densitometer
GB8926048D0 (en) Optical scanner
GB2282728B (en) Scanner
GB9410568D0 (en) Feeder used with scanner
GB2229281B (en) Optical scanner
IL98419A0 (en) Limits on scan
EP0435658A3 (en) Image scanner
EP0504576A3 (en) Document scanner
IL86797A (en) Document scanner
GB2236002B (en) Self calibrating document scanner
AU108688S (en) Scanner
IL101436A0 (en) Scanner calibration method
GB9023731D0 (en) Optical scanner
EP0408242A3 (en) Optical scanner
AU108350S (en) Facsimile
AU110065S (en) Facsimile
AU107045S (en) Facsimile

Legal Events

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

Effective date: 19950912