METHODS AND APPARATUS FOR SENSING TOUCH EVENTS ON A DISPLAY

Methods and apparatus provide for a touch sensitive display, in which a transparent layer is disposed over a display layer; light is directed to propagate into and/or through the transparent layer; scattered light is measured in response to an object touching a surface the transparent layer and dist...

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Bibliographic Details
Main Authors KING JEFFREY STAPLETON, ORSLEY TIMOTHY JAMES, TRUTNA WILLIAM RICHARD, CHARBONNEAU-LEFORT MATHIEU
Format Patent
LanguageEnglish
Published 22.05.2014
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:Methods and apparatus provide for a touch sensitive display, in which a transparent layer is disposed over a display layer; light is directed to propagate into and/or through the transparent layer; scattered light is measured in response to an object touching a surface the transparent layer and disturbing the propagation of the light therethrough; and one or more positions at which the object touches the transparent layer are computed based on signals obtained by the step of measuring the scattered light.
Bibliography:Application Number: US201313856544