System for wireless power charging
US11848569B2 · kind B2 · utility
0Cited by
22References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2022 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Mar 11, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/90
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A transmitter may inductively transfer power to a device via a relay. The transmitter may comprise circuitry configured to measure a current or voltage and reconfigure the transmitter with an operating frequency or duty cycle based on a measured change in the current or voltage within a time period. The measured change in the current or voltage within the time period may be caused by a removal of the device or an addition of a new device. The time period may be 200 usec or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.