WO2005109396A3 - Touch panel display system with illumination and detection provided from a single edge - Google Patents

Touch panel display system with illumination and detection provided from a single edge Download PDF

Info

Publication number
WO2005109396A3
WO2005109396A3 PCT/NZ2005/000092 NZ2005000092W WO2005109396A3 WO 2005109396 A3 WO2005109396 A3 WO 2005109396A3 NZ 2005000092 W NZ2005000092 W NZ 2005000092W WO 2005109396 A3 WO2005109396 A3 WO 2005109396A3
Authority
WO
WIPO (PCT)
Prior art keywords
touch panel
proximity
edge
illumination
energy
Prior art date
Application number
PCT/NZ2005/000092
Other languages
French (fr)
Other versions
WO2005109396A2 (en
Inventor
John Newton
Original Assignee
Next Holdings Ltd
John Newton
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 Next Holdings Ltd, John Newton filed Critical Next Holdings Ltd
Priority to EP05747694.7A priority Critical patent/EP1759378B1/en
Priority to JP2007511305A priority patent/JP4960860B2/en
Priority to AU2005241858A priority patent/AU2005241858B2/en
Priority to CA002566103A priority patent/CA2566103A1/en
Publication of WO2005109396A2 publication Critical patent/WO2005109396A2/en
Publication of WO2005109396A3 publication Critical patent/WO2005109396A3/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
    • G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves
    • G06F3/0436—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves in which generating transducers and detecting transducers are attached to a single acoustic waves transmission substrate
    • 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

Abstract

A touch panel (110) that has a Front surface (111), a rear surface (109), a plurality of edges (112, 115, 116, 117) and an interior volume. An energy source (120) is positioned in proximity to a first edge of the touch panel (110) and is configured to emit energy that is propagated within the interior volume of the touch panel. A diffusing reflector (114) is positioned in proximity to the front surface (111) of the touch panel for diffusively reflecting at least a portion of the energy that escapes from the interior volume. At least one detector (130, 131) is positioned in proximity to the first edge of the touch panel and is configured to detect intensity levels of the energy that is diffusively reflected across the front surface of the touch panel. Preferably, two detectors (130 and 131) are spaced apart from each other in proximity to the first edge of the touch panel, to allow calculation of touch locations using simple triangulation techniques.
PCT/NZ2005/000092 2004-05-07 2005-05-06 Touch panel display system with illumination and detection provided from a single edge WO2005109396A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP05747694.7A EP1759378B1 (en) 2004-05-07 2005-05-06 Touch panel display system with illumination and detection provided from a single edge
JP2007511305A JP4960860B2 (en) 2004-05-07 2005-05-06 Touch panel display system with illumination and detection provided from a single side
AU2005241858A AU2005241858B2 (en) 2004-05-07 2005-05-06 Touch panel display system with illumination and detection provided from a single edge
CA002566103A CA2566103A1 (en) 2004-05-07 2005-05-06 Touch panel display system with illumination and detection provided from a single edge

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/840,888 2004-05-07
US10/840,888 US7538759B2 (en) 2004-05-07 2004-05-07 Touch panel display system with illumination and detection provided from a single edge

Publications (2)

Publication Number Publication Date
WO2005109396A2 WO2005109396A2 (en) 2005-11-17
WO2005109396A3 true WO2005109396A3 (en) 2006-12-14

Family

ID=35239004

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2005/000092 WO2005109396A2 (en) 2004-05-07 2005-05-06 Touch panel display system with illumination and detection provided from a single edge

Country Status (6)

Country Link
US (2) US7538759B2 (en)
EP (1) EP1759378B1 (en)
JP (1) JP4960860B2 (en)
AU (1) AU2005241858B2 (en)
CA (1) CA2566103A1 (en)
WO (1) WO2005109396A2 (en)

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CA2566103A1 (en) 2005-11-17
JP2007536617A (en) 2007-12-13
JP4960860B2 (en) 2012-06-27
EP1759378A2 (en) 2007-03-07
US7538759B2 (en) 2009-05-26
AU2005241858A1 (en) 2005-11-17
EP1759378A4 (en) 2012-05-30
US20090122027A1 (en) 2009-05-14
EP1759378B1 (en) 2013-12-04
AU2005241858B2 (en) 2010-05-27
WO2005109396A2 (en) 2005-11-17
US20050248540A1 (en) 2005-11-10
US8149221B2 (en) 2012-04-03

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