RFID tag and merchandise management system
US7471201B2 · kind B2 · utility
4Cited by
0References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 15, 2005 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Jan 5, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B13/246
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention provides an RFID tag having an identification information response function that wirelessly transmits tag identification information stored in the RFID tag in response to a predetermined wireless request, wherein, the identification information response function becomes invalid after an invalidation instruction is input from outside followed by a lapse of predetermined period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.