Color monitor magnetic shield

Details Color monitor magnetic shield Color monitor magnetic shield

1995-06-06

1997-02-18

Pascal, Robert

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Pulse storing

315 85, H01J 2906

Patent

active

056044038

ABSTRACT:
A compact color monitor device that utilizes active and passive magnetic shielding to eliminate the visible distortion of color displays due to externally-imposed magnetic fields. The color monitor device can be installed in standard 19-inch EIA rack enclosures used on-board surface vessels and remain operable with no color distortion when the vessel is subjected to .+-.5 Oersted degaussing fields. The color monitor device includes a quick-degaussing circuit for degaussing internal components in approximately 1/60 of a second.

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Interstate Electronics Corporation Demon.TM.--Degauss Environment Magnetic Offset Neutralizer Date: Copyrights Sep. 1993 Pages: 2.
Kits van Heyningen The Evolution of the Modern Electronic Compass Oct. 14, 1986 p. 12.
Analog Devices 8-Bit Analog I/O System Aug. 1988 p. 20.

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