Patent ID: 7216243
Filing Date: 2007-05-08
Classification: G06F,H04W

Abstract:
1. A power management method of an electronic device that can be operated under at least a first operation state and a second operation state, said electronic device having a first power mode and a second power mode, said method comprising steps of: setting up a sampling time span that includes a plurality of sampling time units; determining the operation state of said electronic device at each said sampling time unit, wherein determining the operation state of said electronic device at said sampling time unit comprises steps of: calculating a first ratio of said sampling time units in which said electronic device is operated under said first operation state; and operating said electronic device according to said first ratio, wherein said electronic device is switched to said first power mode when said first ratio is larger than predetermined value, wherein said electronic device is switched to said second power mode when said first ratio is smaller than the predetermined value.