Validating a physical touch event in optical touch screens
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United States of America Patent
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Apr 11, 2017
Grant Date -
Oct 29, 2015
app pub date -
Sep 10, 2013
filing date -
Sep 10, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A hybrid optical-physical touch screen is provided herein. The touch screen includes: an electronic panel display; one or more optical sensors coupled to the electronic panel display and configured to determine, a spatial location of a physical object on an X-Y plane near the electronic panel display; a plurality of physical touch sensors coupled to the electronic panel display and configured to determine, a physical touch event between the physical object and the electronic panel display; and a processor configured to compare the determined spatial location of the physical object with the determined physical touch event between the physical object and the display at a same time, and determine, based on predefined parameters, whether an intentional physical touch event between the physical object and the electronic panel display has occurred.
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