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    • 3. 发明授权
    • Location enabled device with power saving control and method thereof
    • 具有省电控制的位置使能装置及其方法
    • US07633389B2
    • 2009-12-15
    • US11404275
    • 2006-04-14
    • Jose Ricardo B. MantovaniBruce A. Bernhardt
    • Jose Ricardo B. MantovaniBruce A. Bernhardt
    • G08B1/08
    • G08B21/0202
    • An energy constrained device (100) includes a motion sensor (150) operative to detect motion of the device (100); a device position determinator (130); and a controller (110) operatively coupled at the motion sensor (150) and to the device position determinator (130) and operative to receive a device location request for the energy constrained device (100), to determine whether the energy constrained device (100) has moved based on the motion sensor (150), and to determine whether to request position information from the device position determinator (130) based on device movement. A method for saving power for a device position determinator (130) in a energy constrained device (100) includes determining whether position information has been requested from the device position determinator (130); and if not so, automatically switching the device position determinator (130) to a low power consumption mode.
    • 能量约束装置(100)包括运动传感器(150),用于检测装置(100)的运动; 设备位置确定器(130); 以及可操作地耦合在所述运动传感器(150)处并且耦合到所述设备位置确定器(130)并且可操作地接收对所述能量约束设备(100)的设备位置请求的控制器(110),以确定所述能量约束设备(100 )已经基于运动传感器(150)移动,并且基于设备移动来确定是否从设备位置确定器(130)请求位置信息。 一种用于在能量受限设备(100)中为设备位置确定器(130)节省功率的方法包括:确定是否已经从设备位置确定器(130)请求位置信息; 如果不是这样,则将设备位置确定器(130)自动切换到低功耗模式。