ELECTRIC POWER PATH SWITCHING METHOD AND ELECTRIC POWER PATH SWITCHING CIRCUIT
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United States of America Patent
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Issued Date -
Apr 26, 2012
app pub date -
Sep 1, 2011
filing date -
Oct 22, 2010
priority date (Note) -
Abandoned
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Abstract
An electric power path switching method for switching a first electric power path from a built-in rechargeable battery in a communication device and a second electric power path from a charger for charging the rechargeable battery which can be connected to the communication device by plugging in and out, includes dividing a load of the communication device into two systems of a first load and a second load; supplying electric power to the first load from the first electric power path; and supplying electric power to the second load from the second electric power path when charging the rechargeable battery by the charger and from the first electric power path when the rechargeable battery is not charged.
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