Methods and apparatus for wireless power and communication transfer
US10396598B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2016 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Jul 10, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An aspect of this disclosure is an apparatus for receiving power wirelessly. The apparatus comprises a power receiver circuit that receives power from a magnetic field of a transmitter to provide to a load. At least one receiver component is coupled with the power receiver circuit and operates based on at least one operation parameter. A sensor measures at least one of a current and a voltage at the load. A controller estimates a first voltage induced by the magnetic field based on the at least one measured current and measured voltage and the at least one operation parameter. The controller also estimates a second voltage based on the at least one operation parameter, the second voltage corresponding to a voltage at which the power receiver circuit operates with an efficiency level that exceeds a threshold efficiency. The communication circuit communicates the estimated voltages to the transmitter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.