Patent ID: 6014080
Filing Date: 2000-01-11
Classification: G08B

Abstract:
A tamper resistant body-worn tracking device worn on a limb of an offender for use in a wireless communication system receiving signals from a GPS and directly communicating spacial coordinates to multiple remote sites, the body-worn tracking device comprising(a) a sealed enclosed case containing means for implementing tamper detection;(b) a main battery enclosed by the case;(c) a signaling device enclosed by the case;(d) a means to replace the main battery;(e) a circuit board enclosed by the case having attached on the circuit board, a wireless data modem, a GPS receiver having a means to acquire updates to a GPS almanac, a matched filtering GPS receiver, an RF front end connected to the GPS receiver and matched filtering GPS receiver and a field programmable gate array; and(f) the body-worn tracking device in contact with a central station computer containing an algorithm for comparing a current location of the body-worn tracking device to a schedule of rules and location restraints to determine if a static violation has occurred.