Electronic circuit for contactless tag, and contactless tag
US7158009B2 · kind B2 · utility
8Cited by
1References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 29, 2004 |
| Grant date | Jan 2, 2007 |
| Priority date | — |
| Expiry date | Sep 28, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/0723
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An electronic circuit for a contactless tag includes a transceiving device having an antenna coil and a circuit changeover switch that switching between a state where the antenna coil forms a resonance circuit of the transceiving device and a state where the antenna coil forms a booster circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.