RFID shelf antennas
US7525487B2 · kind B2 · utility
8Cited by
2References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2007 |
| Grant date | Apr 28, 2009 |
| Priority date | — |
| Expiry date | May 25, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q13/206
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
This invention provides a shelf antenna system for radio frequency identification (RFID) applications, the shelf antenna system comprises a plurality of substantially horizontal shelves, and a distributed antenna having a single feed terminal and a plurality of radiating elements, the distributed antenna being mounted next to the plurality of substantially horizontal shelves, wherein the entire shelf space of the plurality of substantially horizontal shelves are covered by radiations from the distributed antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.