Color CRT with means for correcting mislanding of electron beams

Details Color CRT with means for correcting mislanding of electron beams Color CRT with means for correcting mislanding of electron beams

1991-11-27

1993-10-12

Demeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313405, 313407, H01J 2907

Patent

active

052528898

ABSTRACT:
A color CRT with a first bimetal correction means provided between the inner wall of the screen panel and the shadow mask for correcting the mislanding of the electron beams due to the thermal expansion of the shadow mask, and a second bimetal correction means provided between the lower end portion of the skirt of the shadow mask and the inner wall of the mask frame for quickly correcting the initial doming of the shadow mask, thereby correcting the mislanding occurring in the beginning stage of operating the color CRT.

REFERENCES:
patent: 4565945 (1986-01-01), Pawlikowski et al.
patent: 4638211 (1987-01-01), Fonda
patent: 5063325 (1991-11-01), Ragland, Jr.

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