EMI structure for electronic circuit box
US11909371B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2022 |
| Grant date | Feb 20, 2024 |
| Priority date | — |
| Expiry date | Aug 18, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H1/0007
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An EMI filter arrangement includes a noise source, an input filter connected to the input of the noise source, and an output filter connected to the output of the noise source, the noise source, input filter and output filter provided in an electrically conductive electronics box, and an input filter capacitor electrically connecting the input filter to the electrically conductive electronics box and an output filter capacitor electrically connecting the output filter to the electrically conductive electronics box; the arrangement characterised by further comprising an intermediate reference plane provided in the electrically conductive electronics box, and an intermediate capacitor provided in the electrically conductive electronics box electrically connected between the intermediate reference plane and the electrically conductive electronics box, the input filter capacitor and the output filter capacitor being electrically connected to the box via the intermediate reference plane and the intermediate capacitor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.