Wireless charging feature for wireless device and wireless charging method having a backoff feature
US11316387B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2018 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Aug 11, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2310/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A wireless charging circuit for using a transmitting wireless device to charge a receiving wireless device is disclosed. The wireless charging circuit of the transmitting wireless device has a transmitting mode. The transmitting wireless device includes a wireless charging circuit and a position detector, the position detector electronically coupled to the wireless charging circuit and for activating the transmitting mode of the wireless charging circuit of the transmitting wireless device dependent upon the position of the transmitting wireless device (e.g., upside down). When a receiving wireless device is placed face up on an upside down transmitting wireless device that is in the transmitting mode with the transmitting mode activated, the transmitting wireless device automatically begins charging the battery of the receiving wireless device. A method of wireless charging of a wireless device and including a battery power conserving backoff feature is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.