Invention Application
- Patent Title: POWER MANAGEMENT SYSTEM, METHOD THEREOF AND STORAGE MEDIUM
- Patent Title (中): 电源管理系统及其存储介质
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Application No.: US13014877Application Date: 2011-01-27
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Publication No.: US20120084592A1Publication Date: 2012-04-05
- Inventor: I-CHIEH LIN , MAO-KANG WANG
- Applicant: I-CHIEH LIN , MAO-KANG WANG
- Applicant Address: TW New Taipei City
- Assignee: VIA TECHNOLOGIES, INC.
- Current Assignee: VIA TECHNOLOGIES, INC.
- Current Assignee Address: TW New Taipei City
- Priority: TW099144044 20101215
- Main IPC: G06F1/32
- IPC: G06F1/32
Abstract:
A power management method for a host computer, which is coupled to a USB hub, is provided. It prevents the USB hub from entering into a suspend mode while the host computer stays in a host active state. The method includes the following steps: a filter driver is loaded. When detecting a specified event, the filter driver issues a device sleep IRP request to control the USB hub enter into a suspend mode. Wherein the specified event represents that the host computer enters into a host sleep state.
Public/Granted literature
- US08595533B2 Power management system, method thereof and storage medium Public/Granted day:2013-11-26
Information query
