Magnetic and electric field shielding of computer components fro

Details Magnetic and electric field shielding of computer components fro Magnetic and electric field shielding of computer components fro

1975-05-13

1976-09-21

Askin, Laramie E.

Electricity: conductors and insulators

Lightning protection

174 35MS, H05K 900

Patent

active

039820580

ABSTRACT:
A multilayer cylindrical or rectangular shielding container oriented to pect computer components primarily from magnetic and electromagnetic field disturbances of cloud-to-ground electric lightning strokes is provided. The shielding container is formed of spaced magnetic and nonmagnetic walls. The container preferably is oriented vertically, and leads and cables entering and leaving the container are passed through the top and bottom ends thereof to provide maximum protection from electric fields and from the the predominantly horizontal components of the magnetic field vectors that propagate from such strokes.

REFERENCES:
patent: 1916352 (1933-07-01), Williams, Jr.
patent: 1933261 (1933-10-01), Harris
patent: 2125969 (1938-08-01), Turner
patent: 2338938 (1944-01-01), Hallett
patent: 2362034 (1944-11-01), Stahl
patent: 2388848 (1945-11-01), Howe
patent: 2424790 (1947-07-01), Bachman et al.

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