Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Reexamination Certificate
2005-12-20
2005-12-20
Phan, Dao (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
C342S357490
Reexamination Certificate
active
06977612
ABSTRACT:
A system and method employing a combination of long-range and short-range asset location systems, preferable a GPS-based system combined with an RFID-based system. The short-range system regularly activates itself, or is remotely polled, to determine if the asset is within range of the short-range transceivers, and the long-range system is activated to determine the location of the asset when it is outside the range of the short-range transceivers. In at least some embodiments, the asset is an automobile equipped with both RFID and GPS-based transceivers.
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Electronic Data Systems Corporation
Mysliwiec Richard
Phan Dao
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