Method and apparatus for improving the efficiency and accuracy of RFID systems
US7456726B2 · kind B2 · utility
14Cited by
53References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2005 |
| Grant date | Nov 25, 2008 |
| Priority date | — |
| Expiry date | Feb 17, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04K2203/32
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for transmitting a narrow signal beam are disclosed that allow the precise location of RFID tags to be determined and reduce tag collisions. Also disclosed are a method and apparatus for improving the efficiency of RFID systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.