EP2047308A4 - MULTILAYER DISPLAY THROUGH PREVENTIVE INTERNAL TOTAL REFLECTION - Google Patents

MULTILAYER DISPLAY THROUGH PREVENTIVE INTERNAL TOTAL REFLECTION

Info

Publication number
EP2047308A4
EP2047308A4 EP07813780A EP07813780A EP2047308A4 EP 2047308 A4 EP2047308 A4 EP 2047308A4 EP 07813780 A EP07813780 A EP 07813780A EP 07813780 A EP07813780 A EP 07813780A EP 2047308 A4 EP2047308 A4 EP 2047308A4
Authority
EP
European Patent Office
Prior art keywords
touch sensing
internal reflection
total internal
sensing display
frustrated total
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.)
Withdrawn
Application number
EP07813780A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2047308A2 (en
Inventor
Jefferson Y Han
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.)
Perceptive Pixel Inc
Original Assignee
Perceptive Pixel Inc
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 Perceptive Pixel Inc filed Critical Perceptive Pixel Inc
Publication of EP2047308A2 publication Critical patent/EP2047308A2/en
Publication of EP2047308A4 publication Critical patent/EP2047308A4/en
Withdrawn legal-status Critical Current

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
    • G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/122—Basic optical elements, e.g. light-guiding paths
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • 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
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • 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
    • G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Position Input By Displaying (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
EP07813780A 2006-08-03 2007-08-03 MULTILAYER DISPLAY THROUGH PREVENTIVE INTERNAL TOTAL REFLECTION Withdrawn EP2047308A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82132506P 2006-08-03 2006-08-03
PCT/US2007/075221 WO2008017077A2 (en) 2006-08-03 2007-08-03 Multi-touch sensing display through frustrated total internal reflection

Publications (2)

Publication Number Publication Date
EP2047308A2 EP2047308A2 (en) 2009-04-15
EP2047308A4 true EP2047308A4 (en) 2010-11-24

Family

ID=38997904

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07813780A Withdrawn EP2047308A4 (en) 2006-08-03 2007-08-03 MULTILAYER DISPLAY THROUGH PREVENTIVE INTERNAL TOTAL REFLECTION

Country Status (4)

Country Link
EP (1) EP2047308A4 (ko)
JP (1) JP2009545828A (ko)
KR (1) KR20090060283A (ko)
WO (1) WO2008017077A2 (ko)

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Also Published As

Publication number Publication date
KR20090060283A (ko) 2009-06-11
EP2047308A2 (en) 2009-04-15
JP2009545828A (ja) 2009-12-24
WO2008017077A3 (en) 2008-12-18
WO2008017077A2 (en) 2008-02-07
WO2008017077A4 (en) 2009-02-19

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