Circuit for limiting the beam current of a cathode ray tube

Details Circuit for limiting the beam current of a cathode ray tube Circuit for limiting the beam current of a cathode ray tube

1998-02-25

2000-03-21

Westin, Edward P.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315401, 348380, H01J 2952

Patent

active

06040664&

ABSTRACT:
In a television receiver, a higher beam current is enabled and a brighter image is provided, without adversely effecting the life of the cathode ray tube or endangering the high-tension transformer. The high-tension transformer includes a temperature sensor which acts with a control circuit for reducing the beam current when the temperature of the transformer rises above a specific temperature.

REFERENCES:
patent: 4001503 (1977-01-01), Nomoto et al.
patent: 4042858 (1977-08-01), Collete et al.
patent: 4126816 (1978-11-01), Willis
patent: 4645988 (1987-02-01), Gawell et al.
patent: 4945414 (1990-07-01), Gurley et al.

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