Method for controlling power consumption of a USB mass...

Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral monitoring

Reexamination Certificate

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C710S005000, C710S006000, C710S007000, C710S008000, C710S018000, C710S019000, C710S020000

Reexamination Certificate

active

08005998

ABSTRACT:
A method for controlling power consumption of a Universal Serial Bus (USB) Mass Storage is provided. The USB Mass Storage is electrically connected to a USB port. The method includes: monitoring at least one Test Unit Ready (TUR) command from an operating system (OS) to the USB Mass Storage; and when it is detected that there is no other command from the OS to the USB Mass Storage for a predetermined time period, controlling the USB port to enter a suspend mode in order to save power supplied to the USB Mass Storage. An associated personal computer and a storage medium storing an associated USB Mass Storage driver for controlling power consumption of the USB Mass Storage are further provided, where the personal computer includes the storage medium. In particular, when the USB Mass Storage driver is executed by the personal computer, the personal computer operates according to the method.

REFERENCES:
patent: 2004/0260957 (2004-12-01), Jeddeloh et al.
patent: 2007/0294464 (2007-12-01), Squires et al.
patent: 2008/0244109 (2008-10-01), Lee et al.
patent: 2009/0100217 (2009-04-01), Battaglia et al.
patent: 2009/0240846 (2009-09-01), Keller, Jr.

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