WO2005026938A3 - A system and method of determining a position of a radiation scattering/reflecting element - Google Patents

A system and method of determining a position of a radiation scattering/reflecting element Download PDF

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Publication number
WO2005026938A3
WO2005026938A3 PCT/DK2004/000595 DK2004000595W WO2005026938A3 WO 2005026938 A3 WO2005026938 A3 WO 2005026938A3 DK 2004000595 W DK2004000595 W DK 2004000595W WO 2005026938 A3 WO2005026938 A3 WO 2005026938A3
Authority
WO
WIPO (PCT)
Prior art keywords
radiation
determining
reflecting element
radiation scattering
scattering
Prior art date
Application number
PCT/DK2004/000595
Other languages
French (fr)
Other versions
WO2005026938A2 (en
Inventor
Jonas Ove Philip Eliasson
Jens Wagenblast St Oestergaard
Original Assignee
O Pen Aps
Jonas Ove Philip Eliasson
Jens Wagenblast St Oestergaard
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 O Pen Aps, Jonas Ove Philip Eliasson, Jens Wagenblast St Oestergaard filed Critical O Pen Aps
Priority to US10/571,567 priority Critical patent/US7465914B2/en
Priority to JP2006525628A priority patent/JP4859053B2/en
Priority to AT04762815T priority patent/ATE514991T1/en
Priority to CN2004800298119A priority patent/CN1867881B/en
Priority to EP04762815A priority patent/EP1665024B1/en
Publication of WO2005026938A2 publication Critical patent/WO2005026938A2/en
Publication of WO2005026938A3 publication Critical patent/WO2005026938A3/en

Links

Classifications

    • 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
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04109—FTIR in optical digitiser, i.e. touch detection by frustrating the total internal reflection within an optical waveguide due to changes of optical properties or deformation at the touch location

Abstract

A method and system for determining the position of a radiation scattering/reflecting element, where the radiation emitter is provided at a surface of a radiation transmissive element an on which radiation is incident. This incident radiation is scattered/diffused/reflected by the scattering/reflecting element and guided by the transmissive element toward a detector able to determine the position of the element.
PCT/DK2004/000595 2003-09-12 2004-09-09 A system and method of determining a position of a radiation scattering/reflecting element WO2005026938A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US10/571,567 US7465914B2 (en) 2003-09-12 2004-09-09 System and method of determining a position of a radiation scattering/reflecting element
JP2006525628A JP4859053B2 (en) 2003-09-12 2004-09-09 System and method for locating radiation scattering / reflecting elements
AT04762815T ATE514991T1 (en) 2003-09-12 2004-09-09 SYSTEM AND METHOD FOR DETERMINING A POSITION OF A RADIATION SCATTERING/REFLECTION ELEMENT
CN2004800298119A CN1867881B (en) 2003-09-12 2004-09-09 A system and method of determining a position of a radiation scattering/reflecting element
EP04762815A EP1665024B1 (en) 2003-09-12 2004-09-09 A system and method of determining a position of a radiation scattering/reflecting element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50224503P 2003-09-12 2003-09-12
US60/502,245 2003-09-12

Publications (2)

Publication Number Publication Date
WO2005026938A2 WO2005026938A2 (en) 2005-03-24
WO2005026938A3 true WO2005026938A3 (en) 2005-05-06

Family

ID=34312364

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2004/000595 WO2005026938A2 (en) 2003-09-12 2004-09-09 A system and method of determining a position of a radiation scattering/reflecting element

Country Status (6)

Country Link
US (1) US7465914B2 (en)
EP (1) EP1665024B1 (en)
JP (1) JP4859053B2 (en)
CN (1) CN1867881B (en)
AT (1) ATE514991T1 (en)
WO (1) WO2005026938A2 (en)

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