HIGH PRECISION OPTICAL NAVIGATION DEVICE
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United States of America Patent
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N/A
Issued Date -
Jun 16, 2011
app pub date -
Dec 14, 2010
filing date -
Dec 14, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A handheld optical navigation device may include a first radiation source configured to produce a first beam of radiation onto a surface below the device, a first sensor configured to receive a first image based upon reflected radiation from the surface below the device, and to identify movement of the device based upon the first image for providing a first control action, and a second sensor configured to receive a second image based upon reflected radiation from an object different from the surface below the device, and to identify movement of the object based upon the second image for providing a second control action.
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