Bus power device and power-source control method

Details Bus power device and power-source control method Bus power device and power-source control method

2004-12-27

2008-09-02

Lee, Thomas (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

C713S340000, C320S141000

Reexamination Certificate

active

07421594

ABSTRACT:
A bus power device includes a connector that is connected to a port of a host apparatus compliant with a predetermined interface standard; a current/voltage detecting unit that detects a current/voltage supplied from the host apparatus to a bus power line via the port and the connector; and a power assisting unit that assists a current to the bus power line based on a result of comparison between the current detected by the current/voltage detecting unit and a threshold current, and assists a voltage to the bus power line by an amount of shortfalls in the voltage based on a result of comparison between the voltage detected by the current/voltage detecting unit and a threshold voltage.

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