Optimized time acquisition algorithm for low-power GPS-based watch applications
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United States of America Patent
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Apr 5, 2011
Grant Date -
Mar 27, 2008
app pub date -
Aug 8, 2007
filing date -
Sep 21, 2006
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Abstract
A GPS enabled timepiece. A Global Positioning System (GPS) enabled timepiece in accordance with the present invention comprises a timepiece, the timepiece comprising a local oscillator, and a GPS receiver, coupled to the timepiece, the GPS receiver using the local oscillator to predict a time arrival of a GPS message from a GPS satellite, wherein the GPS receiver is powered on based on the predicted time.
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