Method and apparatus for dual notch ripple filtering
US10141909B2 · kind B2 · utility
0Cited by
7References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 3, 2017 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | Oct 3, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H2007/013
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An apparatus includes a self-coupled transformer, a first band stop filter and a tank circuit connected in series with the first band stop filter between first and second windings of the self-coupled transformer. An inductor of the tank circuit acts as an out-of-phase third winding of the self-coupled transformer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.