| 摘要 |
A power saving management device includes a controller, a sensor (110, 111) in communication with the controller for providing status of whether or not the sensor is active. A power circuitry module is in communication with the controller and with at least one of a predetermined non-essential circuitry (127) and a display (125). The controller signals the power circuitry module to power on at least one of a predetermined non-essential circuitry and the display when an amount sensed by the sensor reaches a first predetermined threshold amount. The predetermined non-essential circuitry can include one or more of: non-essential storage or media that require either constant power or at least a periodic refreshing, including a diskette drive and a controller, a cd/dvd or other types of drives and respective controllers, expanded storage, cache storage, predetermined communication circuitry, output ports, a transmitter, and sound circuitry.
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