Video display appliance including a device for eliminating elect

Details Video display appliance including a device for eliminating elect Video display appliance including a device for eliminating elect

1997-05-13

1999-10-19

Chin, Tommy P.

Television

Video display

Cathode-ray tube

315 8, 315 85, H40N 565

Patent

active

059697750

ABSTRACT:
A video display appliance having a device for eliminating the radiation wave emitted from a cathode ray tube. The appliance includes a shielding wire wound one to several times along the periphery of a degaussing coil. The pulses having the same level and phase, but inverse polarity to those applied to an anode of the cathode ray tube, is applied to the shielding wire, thereby offsetting the radiation wave emitted from the cathode ray tube.

REFERENCES:
patent: 4236184 (1980-11-01), Palac, et al.
patent: 4812946 (1989-03-01), Prigent, et al.
patent: 5216326 (1993-06-01), Lundgren
patent: 5260626 (1993-11-01), Takase, et al.

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