Device for correcting the deflection effect due to a variation o

Details Device for correcting the deflection effect due to a variation o Device for correcting the deflection effect due to a variation o

1986-11-19

1989-03-14

Moore, David K.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313458, H01J 2956

Patent

active

048127060

ABSTRACT:
To avoid the deflection phenomenon of the red and blue spots of a trichromatic tube with in line cathodes, as a function of a variation of the focusing voltage, the holes corresponding to these two colors are enlarged over a distance of about 0.1 to 0.2 mm.

REFERENCES:
patent: 4388552 (1983-06-01), Greninger
patent: 4583024 (1986-04-01), Chen
patent: 4614894 (1986-09-01), Izumida
patent: 4626738 (1986-12-01), Gerlach
Patents Abstracts of Japan, vol. 4, No. 157 (E-32) [639], Nov. 4, 1980; & JP-A-55 108 153 (Matsushita Denshi Kogyo K.K.), 08-19-80.

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