Power supply management device and method for a computer...

Details Power supply management device and method for a computer... Power supply management device and method for a computer...

2005-06-21

2005-06-21

Perveen, Rehana (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

C713S300000, C713S320000, C713S340000

Reexamination Certificate

active

06910140

ABSTRACT:
A computer equipment includes an electrically powered memory and a power supply conductor for at least one input/output port. During at least one mode of operation such as standby, said memory and said power supply conductor are connected to a common power supply unit, said power supply conductor being connected to said common power supply unit through a controlled switch turned on during that mode. A current drawn by another equipment connected to the input/output port might in such case cause a decrease of the output voltage of the common power supply unit, giving rise to a potential loss of contents of said memory. A power management device is provided that comprises a detector for detecting a value representative of the total current consumption through said power supply conductor and for turning off said controlled switch when said total current consumption exceeds a limit.

REFERENCES:
patent: 4349879 (1982-09-01), Peddie et al.
patent: 4907183 (1990-03-01), Tanaka
patent: 5189589 (1993-02-01), Marschall
patent: 6064260 (2000-05-01), Montgomery et al.
patent: 6243831 (2001-06-01), Mustafa et al.
patent: 01/20433 (2001-03-01), None

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