Wireless charging device communicating with electronic device and communication method of wireless charging device
US11489371B2 · kind B2 · utility
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2References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2020 |
| Grant date | Nov 1, 2022 |
| Priority date | — |
| Expiry date | Aug 24, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B5/79
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A wireless charging device in communication with an electronic device is provided. The wireless charging device includes a charging circuit configured to communicate with the electronic device at a first frequency that is included in a frequency band of the electronic device and supple power received from an external power source to the electronic device depending on a communication result at the first frequency, and a control circuit configured to convert the first frequency, based on a response of the electronic device to a first connection signal that is transmitted from the charging circuit to the electronic device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.