Method and apparatus for power management of asset tracking...

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication

Reexamination Certificate

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Reexamination Certificate

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07966105

ABSTRACT:
A technique for controlling the state of a power supply in a mobile asset such as a cargo trailer. The technique detects motion status such as may be provided by a vibration sensor. The motion status signal is filtered by other signals, such as with inputs from a global positioning system sensor, and is then further used to select a power consumption mode. The power consumption mode may be further controlled based on configuration information that may indicate that a vibration source such as a refrigeration unit is present on the trailer.

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