Location enabled device with power saving control and method...

Details Location enabled device with power saving control and method... Location enabled device with power saving control and method...

2006-04-14

2009-12-15

Trieu, Van T. (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S539130, C340S693300

Reexamination Certificate

active

07633389

ABSTRACT:
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.

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