公开(公告)号：US20100058085A1

公开(公告)日：2010-03-04

申请号：US12542262

申请日：2009-08-17

Applicant: Chih-Ching Chien ,  Ying-Hui Zhu ,  Wen-Bin Wu ,  Yong-Peng Jing

Inventor： Chih-Ching Chien ,  Ying-Hui Zhu ,  Wen-Bin Wu ,  Yong-Peng Jing

IPC: G06F13/00 ,  G06F1/32

CPC classification number: G06F1/3225

Abstract: A power-saving device and method are applicable to a first electronic device having at least one connection interface, and the first electronic device is coupled to a second electronic device via a bus. The power-saving device includes a detection circuit, a power control circuit, and a connection control circuit. The detection circuit is coupled to the connection interface, to detect a load state of the connection interface and generate a detection signal. The power control circuit controls power supplied to the first electronic device via the bus in response to a state of the detection signal. The connection control circuit controls a connection state of the bus according to the detection signal.

Abstract translation: 省电装置和方法适用于具有至少一个连接接口的第一电子设备，并且第一电子设备经由总线耦合到第二电子设备。 省电装置包括检测电路，电源控制电路和连接控制电路。 检测电路耦合到连接接口，以检测连接接口的负载状态并产生检测信号。 功率控制电路响应于检测信号的状态，经由总线控制提供给第一电子设备的电力。 连接控制电路根据检测信号控制总线的连接状态。