Method and apparatus for providing security in a radio frequency identification system
US8204225B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2007 |
| Grant date | Jun 19, 2012 |
| Priority date | — |
| Expiry date | May 21, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/105
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
One aspect involves a communication that contains a portion encrypted with a selected key can be wirelessly transmitted by a part for reception and decryption by plural tags. A different aspect involves a tag receiving a first sequence of wireless communications that each contain sequencing information regarding the first sequence, while receiving a second sequence of wireless communications that each include sequencing information regarding the second sequence, and further involves monitoring the sequencing information from received communications of the first sequence while separately monitoring the sequencing information from received communications of the second sequence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.