System and method for preventing cross connection in wireless charging
US10873222B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2018 |
| Grant date | Dec 22, 2020 |
| Priority date | — |
| Expiry date | Jun 22, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A wireless power transmitter that supplies power to a wireless power receiver. The wireless power transmitter includes a control unit, a resonator and an amplifier. The control unit generates an identification information of the wireless power transmitter. The resonator transmits power to the wireless power receiver. The amplifier drives the resonator and is controlled by the control unit such that the power transmitted by the resonator includes a first signal that carries the identification information of the wireless power transmitter. The wireless power transmitter further includes a wireless communication unit that sends a second signal having the identification information of the wireless power transmitter. The wireless communication unit receives a third signal that is generated from the wireless receiver based on the first and second signals to determine whether to establish power connection in order to prevent cross connection between the wireless power transmitter and the wireless power receiver when the wireless power receiver is not charged by the wireless power transmitter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.