Integral enclosure and shield for EMI radiating circuitry

Details Integral enclosure and shield for EMI radiating circuitry Integral enclosure and shield for EMI radiating circuitry

1992-07-13

1994-06-21

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

174 35R, H05K 900

Patent

active

053232984

ABSTRACT:
An enclosure is constructed of electromagnetic radiation shielding material for housing and supporting circuitry that emits electromagnetic interference. Symmetrical top and bottom covers are fabricated of a generally U-shaped configuration, with a downwardly extending tab on one side region of the upper cover and an upwardly extending tab on an opposite side region of the lower cover, these tabs for covering a butt joint between the upper and lower covers. Symmetrical front and rear covers are each constructed having inwardly extending sides also for covering the butt joints, with a lip on each of these side regions. Slots in these lips support circuit boards in the enclosure. Segmented lips on upper and lower sides of the front and rear covers contact upper and lower regions of the upper and lower covers. Constructed as such, there are no significant gaps in the enclosure to radiate electromagnetic radiation.

REFERENCES:
patent: 2798781 (1957-07-01), Anderson
patent: 4386388 (1983-05-01), Beun
patent: 4713633 (1987-12-01), Saito et al.

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