Location tracking device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 6, 2007
Grant Date -
Jan 6, 2005
app pub date -
May 3, 2004
filing date -
Feb 24, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A location tracking device utilizing an acceleration sensor is described. The acceleration sensor includes an inertial body in magnetic fluid that is contained in a closed volume vessel. The tracking device may be used for tracking objects, people, animals, and the like. The tracking device may be utilized as a back-up system to a GPS system such that when signal from a GPS receiver are unavailable, the location tracking device may provide positional information about the location of the object.
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