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AU2002214449A1 - A focusing method and device for a pen reader - Google Patents

A focusing method and device for a pen reader

Info

Publication number
AU2002214449A1
AU2002214449A1 AU2002214449A AU1444902A AU2002214449A1 AU 2002214449 A1 AU2002214449 A1 AU 2002214449A1 AU 2002214449 A AU2002214449 A AU 2002214449A AU 1444902 A AU1444902 A AU 1444902A AU 2002214449 A1 AU2002214449 A1 AU 2002214449A1
Authority
AU
Australia
Prior art keywords
focusing method
pen reader
pen
reader
focusing
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
AU2002214449A
Inventor
Georg Dietl
Erhard Ipp
Fredrik Lonn
Ernst Pobenberger
Magnus Waldt
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.)
Anoto Group AB
Original Assignee
C Technologies AB
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
Priority claimed from SE0004058A external-priority patent/SE0004058L/en
Priority claimed from SE0004057A external-priority patent/SE0004057L/en
Application filed by C Technologies AB filed Critical C Technologies AB
Publication of AU2002214449A1 publication Critical patent/AU2002214449A1/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
    • G06K7/10544—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
    • G06K7/10712—Fixed beam scanning
    • G06K7/10762—Relative movement
    • G06K7/10772—Moved readers, e.g. pen, wand
    • 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
    • G06K7/10792—Special measures in relation to the object to be scanned
    • G06K7/10801—Multidistance reading
    • G06K7/10811—Focalisation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (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)
  • Image Input (AREA)
AU2002214449A 2000-11-06 2001-11-06 A focusing method and device for a pen reader Abandoned AU2002214449A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE0004058 2000-11-06
SE0004057 2000-11-06
SE0004058A SE0004058L (en) 2000-11-06 2000-11-06 Reading pen with focusing device
SE0004057A SE0004057L (en) 2000-11-06 2000-11-06 Reading pen with focusing device
PCT/SE2001/002444 WO2002037405A1 (en) 2000-11-06 2001-11-06 A focusing method and device for a pen reader

Publications (1)

Publication Number Publication Date
AU2002214449A1 true AU2002214449A1 (en) 2002-05-15

Family

ID=26655294

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002214449A Abandoned AU2002214449A1 (en) 2000-11-06 2001-11-06 A focusing method and device for a pen reader

Country Status (2)

Country Link
AU (1) AU2002214449A1 (en)
WO (1) WO2002037405A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4303099A (en) * 1998-04-30 1999-12-06 C Technologies Ab Device for recording information in different modes
AU4303999A (en) * 1998-04-30 1999-12-06 C Technologies Ab Recording of information

Also Published As

Publication number Publication date
WO2002037405A1 (en) 2002-05-10

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