GB2513498A - Touch sensitive image display devices - Google Patents

Touch sensitive image display devices Download PDF

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Publication number
GB2513498A
GB2513498A GB1413670.9A GB201413670A GB2513498A GB 2513498 A GB2513498 A GB 2513498A GB 201413670 A GB201413670 A GB 201413670A GB 2513498 A GB2513498 A GB 2513498A
Authority
GB
United Kingdom
Prior art keywords
touch
image
image display
camera
displayed image
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.)
Pending
Application number
GB1413670.9A
Other versions
GB201413670D0 (en
Inventor
Euan Christopher Smith
Gareth John Mccaughan
Adrian James Cable
Paul Richard Routley
Raul Benet Ballester
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.)
Light Blue Optics Ltd
Original Assignee
Light Blue Optics Ltd
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 GBGB1201009.6A external-priority patent/GB201201009D0/en
Priority claimed from GBGB1200963.5A external-priority patent/GB201200963D0/en
Priority claimed from GBGB1205274.2A external-priority patent/GB201205274D0/en
Application filed by Light Blue Optics Ltd filed Critical Light Blue Optics Ltd
Publication of GB201413670D0 publication Critical patent/GB201413670D0/en
Publication of GB2513498A publication Critical patent/GB2513498A/en
Pending 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
    • G06F3/0304—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.
GB1413670.9A 2012-01-20 2013-01-17 Touch sensitive image display devices Pending GB2513498A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB1201009.6A GB201201009D0 (en) 2012-01-20 2012-01-20 Touch sensing systems
GBGB1200963.5A GB201200963D0 (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
PCT/GB2013/050103 WO2013108031A2 (en) 2012-01-20 2013-01-17 Touch sensitive image display devices

Publications (2)

Publication Number Publication Date
GB201413670D0 GB201413670D0 (en) 2014-09-17
GB2513498A true GB2513498A (en) 2014-10-29

Family

ID=47599126

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1413670.9A Pending GB2513498A (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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JP6097884B2 (en) * 2013-07-31 2017-03-15 ヒューレット−パッカード デベロップメント カンパニー エル．ピー．Ｈｅｗｌｅｔｔ‐Ｐａｃｋａｒｄ Ｄｅｖｅｌｏｐｍｅｎｔ Ｃｏｍｐａｎｙ， Ｌ．Ｐ． System including 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
WO2016053271A1 (en) 2014-09-30 2016-04-07 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
US10234561B2 (en) 2016-05-09 2019-03-19 Microsoft Technology Licensing, Llc Specular reflection removal in time-of-flight camera apparatus
WO2021162602A1 (en) 2020-02-10 2021-08-19 Flatfrog Laboratories Ab Improved touch-sensing apparatus
WO2022173353A1 (en) * 2021-02-09 2022-08-18 Flatfrog Laboratories Ab An interaction system

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US2004205A (en) * 1932-01-09 1935-06-11 Mosinee Paper Mills Company Smelting furnace for black liquor
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
US20040069934A1 (en) * 2002-10-15 2004-04-15 International Business Machines Corporation Passive touch-sensitive optical marker
US20040140963A1 (en) * 2003-01-21 2004-07-22 David Kim Stylus having variable reflectivity and method for data input therewith
US20070046625A1 (en) * 2005-08-31 2007-03-01 Microsoft Corporation Input method for surface of interactive display
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Also Published As

Publication number Publication date
WO2013108031A3 (en) 2013-09-19
WO2013108031A2 (en) 2013-07-25
GB201413670D0 (en) 2014-09-17

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Free format text: REGISTERED BETWEEN 20160218 AND 20160224