Power feeding device, wireless power feeding system using the same and wireless power feeding method
US9391476B2 · kind B2 · utility
3Cited by
25References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2011 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Dec 2, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/05
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An object is to provide a power feeding device, a power feeding system, and a power feeding method which are more convenient for a power feeding user at the power receiving end. The power feeding device includes a means of controlling a frequency of a power signal transmitted to a power receiver, based on a proportion of signals, among power signals output to an antenna circuit, that return from the power receiver to the antenna circuit without feeding power to the power receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.