Electromagnetic interference gasket
US6320122A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1999 |
| Grant date | Nov 20, 2001 |
| Priority date | — |
| Expiry date | Oct 12, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1362
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An EMI device that provides a low impedance mechanism for conducting noise currents in all orientations back to the source of the noise currents in order to more effectively reduce EMI emissions is herein described. The EMI device is constructed from an elastomer core that is wrapped with a metallized electrically conductive material. The gasket is die cut and as such includes one or more open edges that are non-conductive. The non-conductive edges are stitched with a conductive material thereby enabling multiple conduction paths between any surface or edge of the gasket with a electrically conductive enclosure. In this manner, the gasket is able to provide a return path back to the source of the noise currents for all orientations of the noise currents and hence, more effectively reduce EMI emissions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.