WO2010110681A3 - Frames for optical touch detection systems - Google Patents

Frames for optical touch detection systems Download PDF

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
WIPO (PCT)
Prior art keywords
frame
touch detection
frames
detection systems
optical touch
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
Priority claimed from AU2009901288A external-priority patent/AU2009901288A0/en
Application filed by Next Holdings Ltd filed Critical Next Holdings Ltd
Publication of WO2010110681A2 publication Critical patent/WO2010110681A2/en
Publication of WO2010110681A3 publication Critical patent/WO2010110681A3/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
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0428—Digitisers, 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 WO2010110681A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2009901288 2009-03-25
AU2009901288A AU2009901288A0 (en) 2009-03-25 A touch sensitive display
AU2009901282A AU2009901282A0 (en) 2009-03-25 A frame incorporating a reflective member
AU2009901282 2009-03-25

Publications (2)

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

Family

ID=42732866

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2010/000049 WO2010110681A2 (en) 2009-03-25 2010-03-24 Frames for optical touch detection systems

Country Status (1)

Country Link
WO (1) WO2010110681A2 (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
WO2010110681A2 (en) 2010-09-30

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