Combined locating, tracking and communications system
US7907053B2 · kind B2 · utility
46Cited by
30References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2004 |
| Grant date | Mar 15, 2011 |
| Priority date | — |
| Expiry date | Aug 25, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG16H40/67
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A combined locating, tracking and communications system (10), including a server (12), a plurality of area transceivers (14) configured to communicate with the server (12) and having an associated reception range (34), a plurality of zone transceivers (16) configured to communicate with the area transceiver (14), a plurality of tags (18) configured to communicate with the area transceiver (14) and the plurality of zone transceivers (16), and a plurality of portable communicators (20) configured to communicate with the area transceiver (14) and the plurality of zone transceivers (16).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.