Power recovery controller
US8669738B1 · kind B1 · utility
3Cited by
15References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2012 |
| Grant date | Mar 11, 2014 |
| Priority date | — |
| Expiry date | Dec 26, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B40/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The inventive subject matter provides a circuit and a method for efficiently charging a battery. In one aspect of the invention, the circuit includes an oscillator that generates a series of current pulses at a frequency that corresponds to a resonant frequency of the battery. Each pulse in the series includes ringing oscillations that includes a main pulse and a group of ringing decaying pulses. The group of ringing decaying pulses includes pulses with gradually smaller amplitudes over time until the pulses completely die out.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.