Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Patent
1996-05-24
1997-12-30
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
342457, G01S 502
Patent
active
057035989
ABSTRACT:
A method of tracking stolen property uses a continously powered radio receiver for receiving encoded signals from a central station. When the received signal corresponds to a unique code stored at the receiver, a GPS receiver and a radio transmitter located with the stolen property are connected for a predetermined period of time to a source of power so that a GPS signal received by the receiver is processed and the position data produced thereby is transmitted to the central station.
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Phan Dao L.
Tarcza Thomas H.
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