Electron gun for a cathode ray tube

Details Electron gun for a cathode ray tube Electron gun for a cathode ray tube

1991-12-30

1993-10-26

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

H01J 2951

Patent

active

052569330

ABSTRACT:
An electron gun for a cathode ray tube for condensing the electric beam in a color cathode ray tube having an in-line type electron gun. The electron gun includes at least one floating electrode installed between two predetermined axially neighboring ones of the electrodes, so that the gap between these two predetermined electrodes can be increased. As a result, focusing voltage difference can be greatly reduced and the amount of a spherical aberration can be reduced, thereby improving the resolution of the cathode ray tube.

REFERENCES:
patent: 4825120 (1989-04-01), Takahashi

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