Method and apparatus for controlling power to a first and second circuit based on an operational mode and connecting state of an information processing apparatus
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United States of America Patent
Stats
-
Jun 10, 2008
Grant Date -
Dec 1, 2005
app pub date -
Jun 8, 2005
filing date -
Sep 22, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An information processing apparatus is connectable to a bus that is connected to a further apparatus. A detecting circuit detects whether the bus is connected to the information processing apparatus. When the detecting circuit detects that the bus is connected to the information processing apparatus, a control circuit controls a power supply circuit such that the power supply circuit provides power to a further circuit. When the detecting circuit detects that the bus is not connected to the information processing apparatus, the control circuit controls the power supply circuit such that the power supply circuit does not provide the power to the further circuit.
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