Method for controlling communication connection in wireless power transmission system, and apparatus therefor
US11973542B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 17, 2020 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Feb 14, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to wireless power transmission. A method for controlling a communication connection for a wireless charging device supporting in-band communication and out-band communication, according to an embodiment of the present invention, may comprise: a step of receiving a first packet from a device through in-band communication; a step of generating a power transmission contract on the basis of the first packet; a step of performing an out-band communication connection on the basis of the power transmission contract; a step of controlling power by using out-band communication when the out-band communication connection is successful.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.