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    System and method for preserving state data of a personal computer in a standby state in the event of an AC power failure
    2.
    发明授权
    System and method for preserving state data of a personal computer in a standby state in the event of an AC power failure 有权
    在AC电源故障的情况下，保持处于待机状态的个人计算机的状态数据的系统和方法

    公开(公告)号：US07228444B2

    公开(公告)日：2007-06-05

    申请号：US11342502

    申请日：2006-01-30

    申请人： William J. Westerinen ,  Jason M. Anderson ,  Allen Marshall ,  Tony D. Pierce

    发明人： William J. Westerinen ,  Jason M. Anderson ,  Allen Marshall ,  Tony D. Pierce

    IPC分类号： G06F1/30 ,  G06F1/28 ,  G06F1/26 ,  H02J7/35

    CPC分类号： G06F1/305 ,  G06F1/30 ,  Y10T307/625

    摘要： A mechanism is provided for a personal computer to preserve user and system state data in the event of an AC power failure when the computer is in a standby state. When the AC power failure occurs, a switchover circuit connects a rechargeable energy storage medium, such as a rechargeable battery, to the power supply of the computer for powering components of computer, and the computer is awaken. A critical battery alarm is then issued to trigger the operating system of the computer to perform a transition into a hibernation state, during which the state data of the computer are persistently stored. The energy storage medium is disconnected from the power supply after the computer system has entered hibernation.

    摘要翻译： 当计算机处于待机状态时，为个人计算机提供一种保护用户和系统状态数据的机制。 当发生交流电源故障时，切换电路将诸如可充电电池的可再充电能量存储介质连接到计算机的电源，为计算机的组件供电，并且计算机被唤醒。 然后发出关键的电池警报以触发计算机的操作系统以执行转换到休眠状态，在此期间，计算机的状态数据被永久存储。 在计算机系统进入休眠模式后，能量存储介质与电源断开连接。