Systems and methods for near resonant wireless power and data transfer
US10243389B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2015 |
| Grant date | Mar 26, 2019 |
| Priority date | — |
| Expiry date | Jan 28, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/00034
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A distributed sensing system is provided. The system may have a primary portion and a distributed sensing portion separated by an air gap. The primary portion and the distributed sensing portion may be inductively coupled by a transformer having a primary coil and a secondary coil. A controller may direct a power supply to drive the primary coil with a driving waveform. The controller may vary a frequency of the driving waveform to substantially equal a resonant frequency of the transformer. The controller may monitor the power transfer between the primary coil and the secondary coil and may vary the frequency of the driving waveform in response. In this manner, the amount of power transferred from the primary coil to the secondary coil may be optimized in response to the controller substantially matching the driving waveform to the resonant frequency of the transformer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.