Security feature RFID card
US8820639B2 · kind B2 · utility
2Cited by
43References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 2, 2007 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Jul 27, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07D7/12
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A reader and method to allow verification or access to an RFID component of a device using analog optical properties of the RFID device. In the method, a reader analyzes optical properties of the device, obtains information on these properties from the reader or from data on the device. These optical analog properties are required to be verified prior to access to the RFID data from the RFID component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.