Battery disable/enable control circuitry of a portable computing device
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United States of America Patent
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Sep 30, 2008
Grant Date -
May 4, 2006
app pub date -
Dec 21, 2005
filing date -
Apr 25, 2002
priority date (Note) -
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Abstract
A portable computing device includes at least three buttons and circuitry for sensing the pressing of at least three buttons, one being recessed, and in response to such sensing provides a battery disable signal to a non-removable battery. The portable computing device further includes circuitry for sensing the coupling of the device to a device cradle, and in response to such coupling, or in response to the press of the recess button, provides a battery enable signal to the non-removable battery.
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