Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition
Patent
1986-08-25
1987-09-29
Grimley, Arthur T.
Electricity: conductors and insulators
Anti-inductive structures
Conductor transposition
220 38, H05K 900
Patent
active
046970444
ABSTRACT:
A casing for electronic devices is provided which includes a frame formed by a metal plate, a cover formed by a metal plate for covering an opening portion of the frame a shield plate for dividing a space in the frame, and a tip portion of the shield plate in contact with an inner surface of the cover. Projections are integrally formed on the cover so as to project toward a bottom plate of the frame, and the tip portion is in contact with the inner surface of the cover at portions where the projections are not formed, the cover being forcedly bent toward the frame by forming the projections on the cover to thereby contact the shield plate with the cover surely.
REFERENCES:
patent: 2272178 (1942-02-01), McDowell et al.
patent: 2827507 (1958-03-01), Anderson
patent: 3129396 (1964-04-01), Germain et al.
patent: 3187281 (1965-06-01), Weiner et al.
patent: 3234318 (1966-02-01), Van Lieshout et al.
patent: 4066837 (1978-01-01), Miura
Alps Electric Co. ,Ltd.
Grimley Arthur T.
Shoup Guy W.
Tone David A.
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