Electrical computers and digital processing systems: support – Computer power control – Power conservation
Reexamination Certificate
2005-11-15
2005-11-15
Perveen, Rehana (Department: 2116)
Electrical computers and digital processing systems: support
Computer power control
Power conservation
C713S322000, C713S500000, C713S501000
Reexamination Certificate
active
06966008
ABSTRACT:
One embodiment of the present invention provides a system that facilitates temporarily increasing the operating frequency of an electronic circuit, such as a computer system, beyond a maximum sustainable operating frequency. Upon receiving a request to operate at a higher frequency, the system determines the thermal energy level of a cooling system for the circuit. If the thermal energy level is below a threshold level for the thermal capacity of the cooling system, the system increases the operating frequency of the circuit to a frequency that is greater than the maximum sustainable operating frequency for a period of limited duration. This period of limited duration is short enough to ensure that a temperature increase, caused by increasing the operating frequency, does not raise the operating temperature of the circuit above a maximum operating temperature.
REFERENCES:
patent: 5940786 (1999-08-01), Steeby
patent: 6091255 (2000-07-01), Godfrey
patent: 6230279 (2001-05-01), Dewa et al.
patent: 6347254 (2002-02-01), Lu
patent: 6365859 (2002-04-01), Yi et al.
Apple Computer Inc.
Park Vaughan & Fleming LLP
Perveen Rehana
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