Power source, charging system, and inductive receiver for mobile devices
US11601017B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Apr 25, 2022 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Apr 25, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/007
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system includes a primary coil, a first drive circuit, a first sense circuit, and a communication and control circuit for providing power inductively to a portable device that includes a battery and an inductive receiver unit including a receiver coil and a receiver circuit. A portable device includes a battery and a receiver unit capable of receiving inductive power from a compatible inductive charging system including a base unit with a primary coil and associated circuit. A system includes a system rechargeable battery, an inductive coil, a drive circuit, a sense circuit, a communication and control circuit, a receiver rectifier circuit, and a wired power input for providing power inductively to a compatible portable device comprising a battery and an inductive receiver unit including a receiver coil and a receiver circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.