Circuits and methods for field-based communication
US8824597B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2012 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Mar 6, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/0723
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Several circuits and methods for field-based communication are provided. In an embodiment, a field-based communication circuit includes a receiver circuit, a detection circuit and a control circuit. The receiver circuit is configured to receive a field input signal from a field source. The detection circuit includes a voltage detection circuit and a current detection circuit configured to detect a voltage signal and a current signal, respectively associated with the field input signal. The control circuit is configured to trigger a selection of one of the voltage detection circuit and the current detection circuit based on a detection of a signal magnitude of one of the voltage signal and the current signal relative to at least a first predetermined threshold level, wherein the selection of one of the voltage detection circuit and the current detection circuit facilitates a demodulation of one of the voltage signal and the current signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.