Color cathode ray tube with plural electron gun assemblies

Details Color cathode ray tube with plural electron gun assemblies Color cathode ray tube with plural electron gun assemblies

1986-05-01

1987-12-22

Moore, David K.

Electric lamp and discharge devices

Plural unit

Cathode ray tube

313402, 313477R, 220 21A, H01J 2907, H01J 2950, H01J 2982, H01J 2986

Patent

active

047148560

ABSTRACT:
In a color cathode ray tube, a vacuum envelope is provided with a plurality of necks and a plurality of funnels for coupling the respective neck to a single panel. A plurality of electron gun assemblies are received in the neck, respectively and a plurality of deflection yokes are mounted around the funnels, respectively. A screen is formed on the inner surface of the faceplate of the panel and is defined by a plurality of continuous segment regions each of which is scanned with electron beams from the corresponding electron gun assembly and deflected by corresponding deflection yoke. A shadow mask is received in the panel and is faced to the screen. The shadow mask has a plurality of effective row and column regions corresponding to the segment regions and a noneffective region for surrounding and partitioning the respective segment regions.

REFERENCES:
patent: 3071706 (1963-01-01), Waldorf

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