System and method for delaying a wake-up signal
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United States of America Patent
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Nov 30, 1999
Grant Date -
N/A
app pub date -
Oct 16, 1995
filing date -
Oct 16, 1995
priority date (Note) -
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Abstract
A pen-based personal computer includes a main power switch for initial power-up. The pen-based portable personal computer includes a keyboard controller which controls power management of the battery and places the pen-based portable personal computer in a hibernate state after a predetermined period of inactivity. The system can be awakened from the hibernate state by contact of a passive stylus with the digitizer panel. In order to place the power management of the battery under the control of the keyboard controller, a wake-up signal is generated at power-up just long enough to enable the keyboard controller to take control of the power management of the battery.
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