Low power detection of wireless power devices
US9853478B2 · kind B2 · utility
2Cited by
1References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2011 |
| Grant date | Dec 26, 2017 |
| Priority date | — |
| Expiry date | May 30, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/90
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Exemplary embodiments are directed to detection and validation of wirelessly chargeable devices positioned within a charging region of a wireless power transmitter. A device may include a wireless power transmitter configured detect a change in at least one parameter at the transmitter. The transmitter may further be configured to determine whether at least one valid chargeable device is positioned within a charging region of the transmitter upon detecting the change in the at least one parameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.