Means to deactivate a contactless device
US7548164B2 · kind B2 · utility
15Cited by
10References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2006 |
| Grant date | Jun 16, 2009 |
| Priority date | — |
| Expiry date | Dec 10, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/0723
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for deactivating an identification device or RFID tag, such as an e-passport or an ID card that has been revoked, has expired, or is invalid. A programmable memory circuit is coupled to a controlling circuit that is coupled to a shorting circuit that may activate or deactivate the operation of the identification device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.