Electrical computers and digital processing systems: support – Computer power control
Reexamination Certificate
2006-12-12
2006-12-12
Trujillo, James K. (Department: 2116)
Electrical computers and digital processing systems: support
Computer power control
C713S320000
Reexamination Certificate
active
07149904
ABSTRACT:
The invention provides a power control device for a computing unit, which is optimal for saving power. When MPEG data is supplied, a CPU starts decoding the MPEG data. The MPEG data is decoded by independently decoding video data and music data. When decoding the MPEG data, in each operation unit included in the MPEG data, the clock frequency of the CPU can be adjusted so as to reduce the power consumption of the CPU on the basis of the data length of the operation unit for a period during which the CPU performs an operation on the data in the operation unit.
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Patel Anand B.
Seiko Epson Corporation
Trujillo James K.
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