WO2013108031A3 - Touch sensitive image display devices - Google Patents

Touch sensitive image display devices Download PDF

Info

Publication number
WO2013108031A3
WO2013108031A3 PCT/GB2013/050103 GB2013050103W WO2013108031A3 WO 2013108031 A3 WO2013108031 A3 WO 2013108031A3 GB 2013050103 W GB2013050103 W GB 2013050103W WO 2013108031 A3 WO2013108031 A3 WO 2013108031A3
Authority
WO
WIPO (PCT)
Prior art keywords
touch
image
image display
camera
displayed image
Prior art date
Application number
PCT/GB2013/050103
Other languages
French (fr)
Other versions
WO2013108031A2 (en
Inventor
Euan Christopher Smith
Gareth John Mccaughan
Adrian James Cable
Paul Richard Routley
Raul Benet Ballester
Original Assignee
Light Blue Optics Limited
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 GBGB1200963.5A external-priority patent/GB201200963D0/en
Priority claimed from GBGB1201009.6A external-priority patent/GB201201009D0/en
Priority claimed from GBGB1205274.2A external-priority patent/GB201205274D0/en
Application filed by Light Blue Optics Limited filed Critical Light Blue Optics Limited
Priority to GB1413670.9A priority Critical patent/GB2513498A/en
Publication of WO2013108031A2 publication Critical patent/WO2013108031A2/en
Publication of WO2013108031A3 publication Critical patent/WO2013108031A3/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
    • G06F3/0304—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
    • G06F3/042—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
    • G06F3/0426—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 tracking fingers with respect to a virtual keyboard projected or printed on the surface

Abstract

We describe a touch sensitive image display device, the device comprising: an image projector to project a displayed image onto a surface; a touch sensor optical system to project light defining a touch sheet above said displayed image; a camera directed to capture a touch sense image from a region including at least a portion of said touch sheet, said touch sense image comprising light scattered from said touch sheet by an object approaching said displayed image; and a signal processor coupled to said camera, to process a said touch sense image from said camera to identify a location of said object relative to said displayed image; wherein said object is provided with a retroreflective element to reflect light from said touch sheet.
PCT/GB2013/050103 2012-01-20 2013-01-17 Touch sensitive image display devices WO2013108031A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1413670.9A GB2513498A (en) 2012-01-20 2013-01-17 Touch sensitive image display devices

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB1200963.5 2012-01-20
GB1201009.6 2012-01-20
GBGB1200963.5A GB201200963D0 (en) 2012-01-20 2012-01-20 Touch sensing systems
GBGB1201009.6A GB201201009D0 (en) 2012-01-20 2012-01-20 Touch sensing systems
GBGB1205274.2A GB201205274D0 (en) 2012-03-26 2012-03-26 Touch sensitive image display devices
GB1205274.2 2012-03-26

Publications (2)

Publication Number Publication Date
WO2013108031A2 WO2013108031A2 (en) 2013-07-25
WO2013108031A3 true WO2013108031A3 (en) 2013-09-19

Family

ID=47599126

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2013/050103 WO2013108031A2 (en) 2012-01-20 2013-01-17 Touch sensitive image display devices

Country Status (2)

Country Link
GB (1) GB2513498A (en)
WO (1) WO2013108031A2 (en)

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EP3028113A4 (en) * 2013-07-31 2017-04-05 Hewlett-Packard Development Company, L.P. System with projector unit and computer
GB2523077A (en) * 2013-12-23 2015-08-19 Light Blue Optics Ltd Touch sensing systems
GB2522248A (en) * 2014-01-20 2015-07-22 Promethean Ltd Interactive system
GB2526525A (en) * 2014-04-17 2015-12-02 Light Blue Optics Inc Touch sensing systems
US10656810B2 (en) 2014-07-28 2020-05-19 Hewlett-Packard Development Company, L.P. Image background removal using multi-touch surface input
EP3177983B1 (en) 2014-08-05 2020-09-30 Hewlett-Packard Development Company, L.P. Determining a position of an input object
GB2529808B (en) * 2014-08-26 2018-07-25 M Solv Ltd Apparatus and methods for performing laser ablation on a substrate
EP3201723A4 (en) 2014-09-30 2018-05-23 Hewlett-Packard Development Company, L.P. Identification of an object on a touch-sensitive surface
JP2016200887A (en) * 2015-04-08 2016-12-01 株式会社リコー Information processing apparatus, information input system, information processing method, and program
US20170323429A1 (en) 2016-05-09 2017-11-09 John Peter Godbaz Multiple patterns in time-of-flight camera apparatus
JP2023512682A (en) 2020-02-10 2023-03-28 フラットフロッグ ラボラトリーズ アーベー Improved touch detector
WO2022173353A1 (en) * 2021-02-09 2022-08-18 Flatfrog Laboratories Ab An interaction system

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US20020021287A1 (en) * 2000-02-11 2002-02-21 Canesta, Inc. Quasi-three-dimensional method and apparatus to detect and localize interaction of user-object and virtual transfer device
US20040207597A1 (en) * 2002-07-27 2004-10-21 Sony Computer Entertainment Inc. Method and apparatus for light input device
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US20070046625A1 (en) * 2005-08-31 2007-03-01 Microsoft Corporation Input method for surface of interactive display
US20110248963A1 (en) * 2008-12-24 2011-10-13 Lawrence Nicholas A Touch Sensitive Image Display

Also Published As

Publication number Publication date
GB201413670D0 (en) 2014-09-17
WO2013108031A2 (en) 2013-07-25
GB2513498A (en) 2014-10-29

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