Circuits and methods for capacitor charging
US9306402B1 · kind B1 · utility
0Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2014 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Feb 6, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K3/0231
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Circuits for charging capacitors in connection with oscillators are described. The oscillator may include a mechanical resonator. The circuits may include a charging element and a switched capacitor subcircuit to control operation of the charging element, and may be considered a charging circuit in some scenarios. The charging circuits may provide rapid charging of a capacitor to provide a reference voltage to the oscillator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.