Wireless tag and monitoring center system for tracking the activities of individuals
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United States of America Patent
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-
Aug 10, 2004
Grant Date -
Nov 13, 2003
app pub date -
May 10, 2002
filing date -
May 10, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A tracking tag worn by an individual which cooperates with a monitoring center to monitor the location of individuals. The tracking tag has a number of location determination features, including GPS and cellular geolocation methods. The tag includes a processor, flash memory, a wireless modem, a GPS receiver and tamper detection components. The tags of the system provide location information to the monitoring center on a regular periodic basis. The monitoring center maintains historical data of tag location correlated with tag positional information from both the GPS and cellular systems to enhance the verification of real-time positional information as it is received in real time from the tags. The system allows for a complex set of permissible and impermissible activities for the tag wearer and provides for detection and notification of violations.
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