TOUCH SYSTEM USING OPTICAL COMPONENTS TO IMAGE MULTIPLE FIELDS OF VIEW ON AN IMAGE SENSOR
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United States of America Patent
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Issued Date -
Aug 4, 2011
app pub date -
Jan 29, 2010
filing date -
Jan 29, 2010
priority date (Note) -
Abandoned
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Abstract
A touch system includes a touch sensing plane and a camera assembly that is positioned proximate the touch sensing plane. The camera assembly includes an image sensor and at least one virtual camera that has at least two fields of view associated with the touch sensing plane. The at least one virtual camera includes optical components that direct light that is proximate the touch sensing plane along at least one light path. The optical components direct and focus the light onto different areas of the image sensor.
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