Surveillance systems and methods
US7049965B2 · kind B2 · utility
207Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2003 |
| Grant date | May 23, 2006 |
| Priority date | — |
| Expiry date | Dec 18, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B13/248
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Surveillance systems and methods having both a radio frequency component and a video image are provided. The radio frequency component can determine the orientation and position of an RFID tag within a surveillance area. The orientation of the RFID tag is can be determined with respect to two or more orthogonal planes using inductance and a predetermined number of mutually orthogonal antenna loops.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.