Electromagnetic interference attenuation device
US6188015A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1998 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | Jun 2, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/109
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An EMI attenuation device including at least two substrates such that the spacing between these substrates is selected to maximize shielding performance at a particular frequency. The device further includes additional substrates arranged at predetermined distances from the first two substrates to optimize shielding performance. A method also is provided for a multi-step, attenuation of impinging EMI, wherein the method also enables see-through and/or hear-through monitoring. Salient features of the method include relatively positioning a plurality of electrically conductive substrates, each of a particular topology, so as to maximize attenuation of the EMI at particular frequencies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.