Shadow mask type color picture tube

Details Shadow mask type color picture tube Shadow mask type color picture tube

1984-12-17

1986-11-18

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313477R, H01J 2907, H01J 2986

Patent

active

046238182

ABSTRACT:
In a shadow mask type color picture tube, the radius of curvature of the peripheral portion of the inner surface of a faceplate on which a phosphor screen is formed is set to be smaller than that at the central portion thereof.

REFERENCES:
patent: 2690518 (1954-09-01), Fyler et al.
patent: 3705322 (1972-12-01), Naruse et al.

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