Interfering smart shelf
US7271724B2 · kind B2 · utility
39Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2005 |
| Grant date | Sep 18, 2007 |
| Priority date | — |
| Expiry date | Feb 4, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q10/087
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A smart shelf system is disclosed. Objects are placed on a shelf that includes RFID tags. The objects prevent an RFID reader from reading certain RFID tags. The number of objects placed on the shelf may be determined by determining how many RFID tags are unreadable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.