Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition
Patent
1994-10-31
1997-11-25
Sough, Hyung S.
Electricity: conductors and insulators
Anti-inductive structures
Conductor transposition
220334, H05K 900
Patent
active
056915039
ABSTRACT:
An electro-magnetically shielded metallic enclosure is provided with a novel hinge structure. The enclosure has a plurality of side panels and at least one access door hinged to one of the side panels by a plurality of shielded hinges. Each such hinge has three principal elements: a metallic tab, an elongated slot for receiving and supporting the metallic tab, and a raised metal arch bridging the central portion of the elongated slot. The metallic tab is integrally formed on one edge of the access door and is designed to slide into an elongated slot located in an adjacent side panel to provide support for pivoting the metallic tab and the connected door in a hinged relationship. To prevent EMR from otherwise leaking through the elongated slot, a raised metal arch is provided on the interior of the enclosure bridging the central portion of the slot. The arch is spaced apart from the inner surface of the side panel to permit the free end of the metallic tab to freely rotate when the access door is swung open and closed.
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Gilbert Douglas M.
Hewlett--Packard Company
Ngo Hung V.
Sough Hyung S.
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