Double-shielded housing for RF circuitry

Details Double-shielded housing for RF circuitry Double-shielded housing for RF circuitry

1986-05-30

1988-01-05

Scott, J. R.

Electricity: electrical systems and devices

Miscellaneous

174 35R, H05K 900

Patent

active

047179902

ABSTRACT:
An electronic apparatus comprises a housing having walls of an electrically conductive material and together defining an inner space. The walls of the housing comprise outer walls, and partition walls extending from one of the walls of the housing into the inner space of the housing dividing the inner space into different compartments. The apparatus further comprises an electronic circuit board having electronic components mounted thereon and is provided with apertures through which the partition walls extend. In order to shield the electronic circuits of the individual compartments in relation to each other a first shielding component is provided. In order to further shield the circuits of the individual compartments in relation to the environment and vice versa and still further short-circuit any electromagnetic field radiated from the edges of the partition walls and the first shielding component, a further or second shielding component is provided, shielding the individual compartments and the electronic circuits contained within the individual compartments from each other. The outer walls of the housing further shield the electronic circuits of the apparatus from the environment or the surroundings.

REFERENCES:
patent: 2964683 (1960-12-01), Roman et al.
patent: 3721746 (1973-03-01), Knappenberger
patent: 3816911 (1974-06-01), Knappenberger
patent: 4159506 (1979-06-01), Latasiewicz et al.
patent: 4370700 (1983-01-01), Duddles et al.
patent: 4494095 (1985-01-01), Noji et al.

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