System and method for detecting and characterizing an object for wireless charging
US10277062B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2015 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | Oct 21, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system for detecting and characterizing an object proximate to a wireless power transmitting unit includes a transmit circuit having a transmit antenna, the transmit circuit configured to transmit at least one signal having a frequency related to a fundamental power transmit frequency, the transmit circuit configured to measure a response of the transmit antenna, and a controller circuit configured to characterize the object based on the response of the transmit antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.