Cathode ray tube degaussing control circuit

Details Cathode ray tube degaussing control circuit Cathode ray tube degaussing control circuit

1986-12-08

1989-05-09

Moore, David K.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Pulse storing

361150, H04N 929

Patent

active

048292141

ABSTRACT:
A degaussing circuit for a video apparatus incorporates circuitry that controls various aspects of the degaussing operation. The control circuitry causes the degaussing current to be terminated after a period of time to eliminate the flow of residual degaussing current. The control circuit also causes the degaussing circuit to be reset, to enable redegaussing to occur. The control circuit also prevents redegaussing from occurring after a brief interruption of power to the video apparatus.

REFERENCES:
patent: 4153858 (1979-05-01), Schylander
patent: 4295078 (1981-10-01), Wilmarth
patent: 4441052 (1984-04-01), Willis
patent: 4445072 (1984-04-01), Freores
patent: 4458178 (1984-06-01), Tenney et al.
patent: 4489253 (1984-12-01), Godawski
patent: 4636911 (1987-01-01), Truskalo

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