Stand alone multiple unit tracking system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 7, 1993
Grant Date -
N/A
app pub date -
Jul 26, 1991
filing date -
Jul 26, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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