System and method for tracking and locating an object

Details System and method for tracking and locating an object System and method for tracking and locating an object

1993-11-01

1996-06-11

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

Specific condition

340539, 343898, 4552771, G08B 2300

Patent

active

055259677

ABSTRACT:
A system and method to monitor the specific location of a person, pet or item of personal property by employing elements that enable the user to pinpoint both the distance and the direction of the person or object being monitored relative to the position of the monitoring or transmission unit (the "source"), comprising a tracking transceiver unit, which tracks and monitors the person or object, and the target transceiver unit, which is worn or affixed to the person or object being monitored. The tracking transceiver unit broadcasts a signal to a target transceiver unit, which, upon receiving the signal, will then broadcast a response signal back to the tracking transceiver unit. The tracking transceiver unit's antenna, which comprises a plurality of flat sensor plate-like elements formed together in a generally spherical configuration, picks up the signal and then conveys the information it receives to a special response signal processor unit, which analyzes the data to determine the direction of the person or object being monitored. Information filtered and analyzed through the response signal processor unit is then conveyed to a central processor unit, which uses the data to calculate the distance of the person or object being monitored from the source.

REFERENCES:
patent: 4868544 (1989-09-01), Havens
patent: 5274359 (1993-12-01), Adams
patent: 5298883 (1994-03-01), Pilney et al.

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