Wireless power transmission of electronic device having rotating body
US11575857B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2018 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Nov 15, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/402
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present document discloses a camera device comprising a camera sensor, a wireless communication unit configured to receive a wireless communication signal from an external device, a rotating body configured to be rotated together with the camera sensor and the wireless communication unit, a rotation driving unit configured to rotate the rotating body, a wireless power transmitter configured to transfer wireless powers to the external device, and a control unit configured to rotate the rotating body in a panning direction by the rotation driving unit, estimate direction information of the external device at least partially based on a change of a received signal strength of a wireless communication signal caused by the rotation of the rotating body, determine a transmission direction of a wireless power signal for the external device based on the direction information of the external device, and transmit the wireless power signal in the transmission direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.