Wireless charging transmitter and wireless power transfer method
US11482886B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2020 |
| Grant date | Oct 25, 2022 |
| Priority date | — |
| Expiry date | Aug 27, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B5/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
One or more disclosed embodiments relate to a wireless charging transmitter and a wireless power transfer method. The wireless charging transmitter includes a first charging pad including a first wireless power circuit, a second charging pad including a second wireless power circuit, and a controller configured to, in response to detection of a first electronic device being placed on the first charging pad, transfer power at a first designated wireless power level via the first wireless power circuit, in response to detection of a second electronic device being placed on the second charging pad, transmit a first command for decreasing power transferred to the first electronic device, and transfer, upon receipt of a first request for power at a second designated wireless power level from the first electronic device in response to the first command, the power at the second designated wireless power level via the first and second wireless power circuits. The disclosure may further include other various embodiments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.