Wireless power transmitting apparatus for wireless charging having compatibility
US11670965B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2021 |
| Grant date | Jun 6, 2023 |
| Priority date | — |
| Expiry date | Nov 30, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B5/79
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a wireless power transmitting apparatus including a power transmitting coil generating an induced electromotive force on a power receiving coil of a terminal, a magnet casing composed of a first space in a cylinder shape where the power transmitting coil is inserted, and a second space sharing a central axis of the cylinder with the first space, wherein the second space is a space between the first space and a cylinder having a diameter greater than a diameter of the cylinder of the first space, a ring magnet disposed in the second space of the magnet casing in a shape of a ring, wherein the ring magnet has a height smaller than a height of the magnet casing, and is movable in a vertical direction of the magnet casing by external magnetism, and a cover constructed in a direction perpendicular to an axis of the power transmitting coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.