Invention Grant
- Patent Title: Power management system, method thereof and storage medium
- Patent Title (中): 电源管理系统，方法及存储介质
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Application No.: US13014877Application Date: 2011-01-27
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Publication No.: US08595533B2Publication Date: 2013-11-26
- Inventor: I-Chieh Lin , Mao-Kang Wang
- Applicant: I-Chieh Lin , Mao-Kang Wang
- Applicant Address: TW New Taipei
- Assignee: Via Technologies, Inc.
- Current Assignee: Via Technologies, Inc.
- Current Assignee Address: TW New Taipei
- Agency: Stout, Uxa, Buyan & Mullins, LLP
- Priority: TW99144044A 20101215
- Main IPC: G06F1/00
- IPC: G06F1/00 ; G06F3/00
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
- US20120084592A1 POWER MANAGEMENT SYSTEM, METHOD THEREOF AND STORAGE MEDIUM Public/Granted day:2012-04-05
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