Electromagnetic interference (EMI) shield structure

Details Electromagnetic interference (EMI) shield structure Electromagnetic interference (EMI) shield structure

2005-02-22

2005-02-22

Cuneo, Kamand (Department: 2841)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S800000, C361S816000, C361S796000, C174S051000, C174S034000

Reexamination Certificate

active

06859371

ABSTRACT:
A structure of an EMI shield that can be easily installed to and removed from a base of an electronic equipment, where the base has at least one hook. The EMI shield comprises a casing for covering a circuit board on the base, wherein the casing includes a plurality of holes for thermal dissipation, and a plurality of flanges extending laterally from a bottom of a lateral side of the casing. The flanges comprise at least one groove to engage with the at least one hook of the base for positioning the EMI shield, and an opening, which is extended to a lateral side of the casing so that a power cord of the circuit board can be through the opening. At least one of the flanges comprises a spring finger, which is engageable with a concave portion of the base for fixing the EMI shield on the base without using screws. Further, the spring finger comprises a shoulder, which projects outward from the concave portion of the base, whereby when the spring finger is pulled and separated from the concave portion of the base, the EMI shield can be removed from the base.

REFERENCES:
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patent: 5548084 (1996-08-01), Tracy
patent: 5579212 (1996-11-01), Albano et al.
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patent: 5822182 (1998-10-01), Scholder et al.
patent: 6239359 (2001-05-01), Lilienthal et al.
patent: 6243274 (2001-06-01), Willis
patent: 6377475 (2002-04-01), Reis

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