Personnel and asset tracking method and apparatus
US6825763B2 · kind B2 · utility
153Cited by
47References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2002 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | Oct 7, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K17/0022
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system is provided for locating and tracking tags within an area. Each tag includes a transmitter configured to transmit a unique identifier periodically. Location messages are received and processed by at least one monitoring system to determine whether a tag has changed location.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.