MULTI-USER GLOBAL POSITION TRACKING SYSTEM AND METHOD

摘要

An Internet based personal tracking system (14, fig. 1) for tracking the position of a portable location unit (12) by a remote user comprising a web host (15) connected to the Internet (14) having a computer storage medium (17), a portable location unit having a processor (34) for receiving geo-position information, and generating geoposition data representing the position of said location unit, a transceiver (26) included in said location unit for transmitting said position signal to said web host in response to a call signal being received from said web host, a power supply (30) for supplying power to said processor and said transceiver; and a computer program residing on said web host having an input module (74) for receiving a tracking request signal from the remote user via the internet, a processing module (64) for processing said tracking request signal, and a communication module (80) for initializing communication with said location unit in response to tracking said request signal, and a location module (78) for outputting said call signal to said location unit and for receiving said geo-position data from said location unit; and a display module (84) for outputting said position dataset to the remote user via the internet for display of the location unit's position at the remote user's site.