Resistive and capacitive modulation in an electromagnetic transponder
US7880588B2 · kind B2 · utility
5Cited by
17References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 2, 2004 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Sep 28, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/0723
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The selection of at least one back-modulation element of an electromagnetic transponder from among a plurality of resistive and/or capacitive modulation elements of the load of an oscillating circuit of the transponder, including selecting the modulation element(s) according to a binary message received from a read/write terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.