THREE-DIMENSIONAL POINTING DEVICE AND SYSTEM
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United States of America Patent
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Issued Date -
Oct 31, 2013
app pub date -
Apr 30, 2012
filing date -
Apr 30, 2012
priority date (Note) -
Abandoned
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Abstract
A device that comprises at least one image sensor and a processing unit. The at least one image sensor is configured to consecutively capture a plurality of images at a predetermined rate. The processing unit is configured to identify in each of the plurality of images a first region and a second region, wherein intensities of the first region and the second region are different; determine a displacement of the first region from the first image of the plurality of images to the last image of the plurality of images; and output a first signal comprising the displacement.
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