Reader and response control system for discrimination between multiple surface acoustic wave identification tags and method of operation thereof
US6756880B2 · kind B2 · utility
27Cited by
5References
21Claims
0Family size
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Key dates
| Filing date | Mar 21, 2002 |
| Grant date | Jun 29, 2004 |
| Priority date | — |
| Expiry date | Oct 5, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/0008
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system for discriminating between coded responses from multiple SAW identification tags and a method of operating such system. In one embodiment the system provides for a SAW tag reader subsystem that detects coded responses from the tags to an interrogation pulse; and a coded response analyzing subsystem, coupled to the SAW tag reader subsystem, that employs signal processing techniques to separate portions of the coded responses and generates possibilities for remaining portions of the coded responses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.