SE0200079L - positioning - Google Patents

positioning

Info

Publication number
SE0200079L
SE0200079L SE0200079A SE0200079A SE0200079L SE 0200079 L SE0200079 L SE 0200079L SE 0200079 A SE0200079 A SE 0200079A SE 0200079 A SE0200079 A SE 0200079A SE 0200079 L SE0200079 L SE 0200079L
Authority
SE
Sweden
Prior art keywords
partial
paper
divided
pen
marks
Prior art date
Application number
SE0200079A
Other languages
Swedish (sv)
Other versions
SE520211C2 (en
SE0200079D0 (en
Inventor
Mats-Petter Pettersson
Tomas Edsoe
Original Assignee
Anoto 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
Application filed by Anoto Ab filed Critical Anoto Ab
Priority to SE0200079A priority Critical patent/SE520211C2/en
Publication of SE0200079L publication Critical patent/SE0200079L/en
Publication of SE0200079D0 publication Critical patent/SE0200079D0/en
Publication of SE520211C2 publication Critical patent/SE520211C2/en

Links

Classifications

    • 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
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/0304—Detection arrangements using opto-electronic means
    • G06F3/0317—Detection arrangements using opto-electronic means in co-operation with a patterned surface, e.g. absolute position or relative movement detection for an optical mouse or pen positioned with respect to a coded surface
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03542—Light pens for emitting or receiving light
    • G06K9/18—
    • 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
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • User Interface Of Digital Computer (AREA)
  • Position Input By Displaying (AREA)
  • Instructional Devices (AREA)
  • Image Processing (AREA)

Abstract

Coding marks (4) of optically readable coding pattern (3) are arranged across surface (2) of paper (1). Pattern is divided into overlapping partial areas (5a,5b) based on cyclic rotation of number sequence of marks. Surface (2) is divided into code windows, based on dimensions of partial surfaces. Position of windows are estimated, based on distance between overlapping areas of partial surface and window. Independent claims are also included for the following: (a) Computer readable program for determining position of pen on paper; (b) Pen position determining device; (c) Product which enables possibility of determining position
SE0200079A 2002-01-14 2002-01-14 Position determination e.g. for position of electronic pen on sheet of paper, involves dividing surfaces of paper into partial surface and code window based on cyclic rotation of preset number sequence of code marks SE520211C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE0200079A SE520211C2 (en) 2002-01-14 2002-01-14 Position determination e.g. for position of electronic pen on sheet of paper, involves dividing surfaces of paper into partial surface and code window based on cyclic rotation of preset number sequence of code marks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0200079A SE520211C2 (en) 2002-01-14 2002-01-14 Position determination e.g. for position of electronic pen on sheet of paper, involves dividing surfaces of paper into partial surface and code window based on cyclic rotation of preset number sequence of code marks

Publications (3)

Publication Number Publication Date
SE0200079L true SE0200079L (en) 2002-01-14
SE0200079D0 SE0200079D0 (en) 2002-01-14
SE520211C2 SE520211C2 (en) 2003-06-10

Family

ID=20286641

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0200079A SE520211C2 (en) 2002-01-14 2002-01-14 Position determination e.g. for position of electronic pen on sheet of paper, involves dividing surfaces of paper into partial surface and code window based on cyclic rotation of preset number sequence of code marks

Country Status (1)

Country Link
SE (1) SE520211C2 (en)

Also Published As

Publication number Publication date
SE520211C2 (en) 2003-06-10
SE0200079D0 (en) 2002-01-14

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Legal Events

Date Code Title Description
NUG Patent has lapsed