The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 1997
Filed:
Apr. 08, 1996
Applicant:
Inventor:
Colin Edward Brench, Stow, MA (US);
Assignee:
Digital Equipment Corporation, Maynard, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
174 / ; 174 / ; 174 51 ; 361818 ;
Abstract
A cross polarized electromagnetic interference shield apparatus for an electronic device having a Faraday cage made of two sets of planar conductive plates. Each of the two sets of planar conductive plates have parallel aligned elongated apertures which are not aligned in the same direction, and are spaced apart at a predetermined distance. This arrangement provides improved EMI attenuation and improved air flow over prior planar EMI shields, at a lower cost than prior honeycomb shields.