Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition
Patent
1991-08-08
1992-11-03
Picard, Leo P.
Electricity: conductors and insulators
Anti-inductive structures
Conductor transposition
174 35MS, 361424, H05K 900
Patent
active
051608073
ABSTRACT:
An arrangement for providing radio frequency and electromagnetic interference protection to at least part of circuitry mounted on a circuit board comprises alternating slots and bridges which form a boundary between a protected area of the circuit board and an unprotected area of the circuit board. The circuit portions which require protection are mounted in the protected area and are covered by a top cover having fingers which extend through the slots. Connecting lines between the protected and unprotected portions of the circuit portions extend along the bridges between the slots. A bottom cover engages under the protected area and mates to the top cover for providing electromagnetic interference protection for the circuit portions within the protected area.
REFERENCES:
patent: 3407261 (1968-10-01), Donath et al.
patent: 4370515 (1983-03-01), Donaldson
patent: 5014160 (1991-05-01), McCoy, Jr.
Fry John J.
Hall, II George R.
Edwards Robert J.
Elsag International B.V.
Ledynh Bot Lee
Matas Vytas R.
Picard Leo P.
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