OPTICAL TOUCH DETECTION - MICROSOFT CORP

Title:

OPTICAL TOUCH DETECTION

Document Type and Number:

WIPO Patent Application WO/2013/105989

Kind Code:

A3

Abstract:

Optical touch detection is provided by an interactive display device including an elastomer layer, a reflector configured to transmit light having a first characteristic and to reflect light having a second characteristic, and a display positioned to output modulated light having the first characteristic through the elastomer layer and the reflector as a display image. The interactive display device further comprises a test light source positioned to output light having the second characteristic through the elastomer layer for reflection off of the reflector, and a sensor configured to receive light having the second characteristic reflected from the reflector.

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Inventors:

LARGE TIMOTHY (US)
EMERTON NEIL (US)

Application Number:

PCT/US2012/025326

Publication Date:

October 03, 2013

Filing Date:

February 16, 2012

Export Citation:

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Assignee:

MICROSOFT CORP (US)

International Classes:

G06F3/042

Foreign References:

US20090231281A1	2009-09-17
US20110032214A1	2011-02-10
US20080284925A1	2008-11-20
US20070064444A1	2007-03-22
US20090002344A1	2009-01-01

Other References: