Multistage active filter for automotive applications
US12341483B2 · kind B2 · utility
0Cited by
3References
8Claims
0Family size
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Key dates
| Filing date | Feb 11, 2022 |
| Grant date | Jun 24, 2025 |
| Priority date | — |
| Expiry date | Sep 17, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H11/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An active filter for suppressing an unwanted noise component from an electric supply line connecting a noise source and a load device, the active filter comprising a first active stage and a second active stage on the supply line, wherein the first active stage is between the noise source and the second active stage, wherein the first active stage has a first attenuation, and the second active stage has a second attenuation, characterized in that the first attenuation is lower than the second attenuation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.