Method and apparatus for radio-frequency power harvesting control
US11070092B2 · kind B2 · utility
0Cited by
2References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 15, 2019 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | Feb 11, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2209/886
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This disclosure provides a method and apparatus for controlling a plurality of radio-frequency (RF) power harvesters configured to generate power from received RF signals. A controller may monitor output power from the RF power harvesters and a sequence of reset signals. Based on the output powers and the sequence of reset signals, the controller may couple the RF power harvesters to a charge-storage device and one or more voltage regulators. In some implementations, the controller may also monitor RF envelope amplitude and couple the RF power harvesters to the charge storage device based on RF envelope amplitude.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.