Advanced power management for satellite positioning system
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United States of America Patent
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Aug 11, 2009
Grant Date -
Apr 21, 2005
app pub date -
Sep 14, 2002
filing date -
Sep 14, 2001
priority date (Note) -
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Abstract
A power management system for managing power in a wireless device having a SPS receiver, communication device and a power source, the power management is described. The power management system may include a real-time clock, an input/output device, a radio frequency front-end and a SPS engine in signal communication with the real-time clock, input/output device and radio frequency front-end, the SPS engine capable of powering down itself, the input/output device and radio frequency front-end in response to determining a mode of operation.
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