Time-sensitive article tracking device

Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment

Reexamination Certificate

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Details

C701S213000, C342S357490, C340S539130

Reexamination Certificate

active

06850839

ABSTRACT:
An article tracking device that can be attached to or otherwise located with movable and non-moveable articles has a memory that stores a subset of spatial zones and corresponding time intervals during which the spatial zones are valid. The device is adapted to periodically read the current time and its current position from the position determination system and to determine whether a spatial zone corresponding to the current time exists. If a corresponding spatial zone exists, the device determines whether its current location is within the spatial zone and performs an action in response to this determination.

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