Transponder identification system
US6876294B1 · kind B1 · utility
16Cited by
12References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 18, 1999 |
| Grant date | Apr 5, 2005 |
| Priority date | — |
| Expiry date | Aug 18, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2209/08
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A transponder identification system comprising a plurality of transponders and an interrogation device arranged to identify each of the transponders by transmitting successive interrogation signals according to a systematic search strategy, wherein the search is truncated where the interrogation device receives fewer than a predetermined number of different responses from the transponders, to a transmitted interrogation signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.