Wireless tag and monitoring center system for tracking the activities of individuals
US6774797B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2002 |
| Grant date | Aug 10, 2004 |
| Priority date | — |
| Expiry date | May 10, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C9/28
- WIPO fieldControl
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.