Stand alone multiple unit tracking system

Details Stand alone multiple unit tracking system Stand alone multiple unit tracking system

1991-07-26

1993-09-07

Black, Thomas G.

Boots, shoes, and leggings

364516, 340990, G06F 1550

Patent

active

052435300

ABSTRACT:
A stand alone multiple unit tracking system which utilizes a packet radio link to periodically transmit information identifying the geographic position of ships, aircraft and other land mobile vehicles. The stand alone multiple unit tracking system comprises a base station, relay stations and a plurality of remote stations placed on board ships, aircraft or the like. The remote stations transmit latitude and longitude position information to the base station through relay stations, if required, using packet radio techniques.

REFERENCES:
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patent: 4513377 (1985-04-01), Hasebe et al.
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patent: 4989204 (1991-01-01), Shimizu et al.
patent: 5032845 (1991-07-01), Velasco
patent: 5153836 (1992-10-01), Fraughton et al.
patent: 5155689 (1992-10-01), Worthham
GPS-Based Vessel Position Monitoring and Display System; Reynolds et al.; EE AES Magazine; Jul. 1990; pp. 16-22.

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