Power source switchover apparatus and method
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United States of America Patent
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Oct 6, 2009
Grant Date -
May 24, 2007
app pub date -
Nov 23, 2005
filing date -
Nov 23, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for switching from a first power supply to a second power supply. The embodiment may detect the charge or voltage of both the first and second power supply, and power a device from the power supply having the greatest voltage or charge. A single boost converter is used regardless of which power supply is providing power.
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