Sensing device for subsampling imaged coded data
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United States of America Patent
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Apr 9, 2013
Grant Date -
Jan 21, 2010
app pub date -
Sep 28, 2009
filing date -
Sep 17, 1999
priority date (Note) -
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Abstract
A sensing device is provided with an image sensor for capturing images of coded data disposed on a surface, a framestore for storing frames of the captured image as image data, subsampling means for subsampling the stored image date to generate subsampled image data, and an image processor for processing the subsampled image data to generate interaction data based on the sensed coded data and indicative of interaction of the sensing device with the surface. The image processor is integrated on a monolithic integrated circuit, the monolithic integrated circuit including a first subsampled framestore for storing the subsampled image data based on image data from the framestore.
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