Portable tracking apparatus for continuous position determinatio

Details Portable tracking apparatus for continuous position determinatio Portable tracking apparatus for continuous position determinatio

1996-08-19

1998-03-24

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

340539, 340693, 3408253, 34082549, 342357, 3644496, 379 38, C08B 2100, C08B 2500

Patent

active

057317577

ABSTRACT:
A portable locator or tracking apparatus is provided for continuous location determination of subjects which communicates with a body-worn, non-removable, tamper resistant transceiver and a central data-base system. The portable tracking apparatus has a Global Position System (GPS) receiver and inertial sensors for determining location, microprocessors for logic and mathematical algorithm processing, memory for programs and data, a wireless transceiver for communications with the body-worn device, a wireless transceiver for communicating with the central data-base system, an alpha-numeric display for displaying text messages sent to the subject acoustic speaker and microphone for voice and tone messages with subjects, electronic tamper sensors, motion sensors, attitude position sensor, batteries and external connectors for power, recharge, communications and auxiliary antennas.

REFERENCES:
patent: 5043736 (1991-08-01), Darnell et al.
patent: 5170426 (1992-12-01), D'Alessio et al.
patent: 5204670 (1993-04-01), Stinton
patent: 5255306 (1993-10-01), Melton et al.
patent: 5379224 (1995-01-01), Brown et al.
patent: 5461390 (1995-10-01), Hoshen
patent: 5652570 (1997-07-01), Lepkofker

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