Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1992-09-25
1995-04-04
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
174 35R, 174 35GC, 174 35TS, 174 51, 248 271, 361825, 439108, 439607, H05K 900
Patent
active
054042763
ABSTRACT:
An RFI through-let for screening signals transmitted between different components, for instance circuit boards, of which one component is arranged in a screened space, includes signal-transmission through-let capacitors which are mounted in a screen plate intended to be positioned in a rectangular opening in the side-wall of the screened space. The screen plate is comprised of a front part which includes a rectangular, generally flat plate having tongues or tabs disposed along the sides thereof and also having a central, rectangular hollow, and a holding part which is soldered firmly in the vicinity of the hollow of the front part. The holding part includes a flat plate whose long sides are bent to form guide flanges which extend perpendicularly downwards away from the front part, along a first line corresponding to the long sides of the opening, and along a second line downwardly of the first line are further bent inwardly towards one another. Parts punched-out along the first line cause shoulders to be formed that project upwards and outwards towards the front part and are intended to grip-in behind the side-wall of the space when fitting the screen plate and therewith hold the screen plate firmly in the opening.
REFERENCES:
patent: 3168612 (1965-02-01), Sorenson
patent: 4824398 (1989-04-01), Taylor
patent: 4840584 (1989-06-01), Cox
patent: 4901205 (1990-02-01), Landis et al.
Hansson Kjell O.
Ovanfors Erik L.
Picard Leo P.
Sparks Donald A.
Telefonaktiebolaget L M Ericsson
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