Method of modulating wireless power transmission signal
US9825672B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2011 |
| Grant date | Nov 21, 2017 |
| Priority date | — |
| Expiry date | Oct 13, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B5/45
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A wireless power transmitter in which an adjustment of the operating frequency is performed by selecting a signal from two or more signals having different frequencies as a carrier signal, the selected signal having a frequency corresponding to data included in the packet, the two or more signals has a resonant frequency for resonance coupling with the wireless power receiver and a frequency within a predetermined frequency from the resonant frequency, and the two or more signals at the resonant frequency and the frequency within the predetermined frequency range indicates a first data value and a second data value which is different from the first data value respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.