WO2010110681A3 - Frames for optical touch detection systems - Google Patents

Frames for optical touch detection systems

Info

Publication number
WO2010110681A3
WO2010110681A3 PCT/NZ2010/000049 NZ2010000049W WO2010110681A3 WO 2010110681 A3 WO2010110681 A3 WO 2010110681A3 NZ 2010000049 W NZ2010000049 W NZ 2010000049W WO 2010110681 A3 WO2010110681 A3 WO 2010110681A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
portion
frame
side
touch
end
Prior art date
Application number
PCT/NZ2010/000049
Other languages
French (fr)
Other versions
WO2010110681A2 (en )
Inventor
Simon James Bridger
Matthew Allard
Original Assignee
Next Holdings 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

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0428Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual

Abstract

A touch detection system can use an assembly comprising a frame adapted for use with a touch surface defining a touch plane, the frame having a top portion, a bottom portion, and two side portions, with a first end of each side portion adjacent the bottom portion and a second end of each side portion adjacent the top portion. Each side portion extends outward from the plane by a respective width that varies along its length, with the width greater at its second end than at its first end. In some embodiments, the frame can comprise a portion that extends outward from the plane, with an outward-facing surface thereof defining a front of the frame. Regardless of whether the width of other portions varies, the portion can comprise a recess having at least one side defined by a step, the step corresponding to the front of the frame.
PCT/NZ2010/000049 2009-03-25 2010-03-24 Frames for optical touch detection systems WO2010110681A3 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2009901288 2009-03-25
AU2009901282 2009-03-25
AU2009901288 2009-03-25
AU2009901282 2009-03-25

Publications (2)

Publication Number Publication Date
WO2010110681A2 true WO2010110681A2 (en) 2010-09-30
WO2010110681A3 true true WO2010110681A3 (en) 2010-11-25

Family

ID=42732866

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2010/000049 WO2010110681A3 (en) 2009-03-25 2010-03-24 Frames for optical touch detection systems

Country Status (1)

Country Link
WO (1) WO2010110681A3 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6100538A (en) * 1997-06-13 2000-08-08 Kabushikikaisha Wacom Optical digitizer and display means for providing display of indicated position
US20010022579A1 (en) * 2000-03-16 2001-09-20 Ricoh Company, Ltd. Apparatus for inputting coordinates

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6100538A (en) * 1997-06-13 2000-08-08 Kabushikikaisha Wacom Optical digitizer and display means for providing display of indicated position
US20010022579A1 (en) * 2000-03-16 2001-09-20 Ricoh Company, Ltd. Apparatus for inputting coordinates

Also Published As

Publication number Publication date Type
WO2010110681A2 (en) 2010-09-30 application

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