Electronic apparatus and peak power-controlling method...

Details Electronic apparatus and peak power-controlling method... Electronic apparatus and peak power-controlling method...

2005-12-05

2010-12-21

Cao, Chun (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

C713S300000, C713S320000, C713S323000, C713S324000, C713S330000, C710S008000, C710S015000, C710S062000

Reexamination Certificate

active

07856568

ABSTRACT:
An electronic apparatus (200) comprises processors (20)-(22), devices (30)-(33), and a peak power-managing unit (10). The peak power-managing unit (10) includes a power information storage unit (11) operable to store a total power consumption value, and a suspended request storage unit (12) operable to store suspended use requests. Each of the processors (20)-(22) addresses, to the peak power-managing unit (10), a use request for the use of a target device among the devices (30)-(33). The peak power-managing unit (10) issues a device use permit notification to the processor when determining that the operation of the target device still maintains an added total power consumption value within a specified value. Upon receipt of the device use permit notification, the processor sets up a course of action to be provided by the target device. As a result, controlled peak power is provided, and the devices can be run according to updated information.

REFERENCES:
patent: 5828568 (1998-10-01), Sunakawa et al.
patent: 5894579 (1999-04-01), Fujihara
patent: 2005/0066205 (2005-03-01), Holmer
patent: 9-231195 (1997-09-01), None
patent: 9-237138 (1997-09-01), None
patent: 2002-358167 (2002-12-01), None
patent: 2004-334582 (2004-11-01), None
“Advanced Configuration and Power Interface Specification Rev 2.0”, Advanced Configuration and Power Interface Specification, Jul. 27, 2000, pp. complete 481.

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