RF sealed radio housing

Details RF sealed radio housing RF sealed radio housing

1990-09-20

1992-03-10

Picard, Leo P.

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

174 35MS, 361424, H05K 900

Patent

active

050951777

ABSTRACT:
A two-piece transceiver housing for a mobile telephone comprises an open-topped box and a separate lid both made of conductive material, specifically diecast aluminium. A plurality of flat projections are formed integrally on the underside of the lid. These projections are arranged to bear internally against the side wall of the box when the lid is in place to prevent radio frequency radiation escaping from the housing without the need for a separate sealing component. The projections have a tapering curvilinear or rectilinear profile. This helps to distribute the stress and enables the projections to suffer slight deflection without breaking even when they are made of cast aluminium which is relatively brittle.

REFERENCES:
patent: 1765443 (1930-06-01), Peterson
patent: 2627359 (1953-02-01), Woodward
patent: 4816612 (1989-03-01), Yeom

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