Color cathode ray tube having an improved electron gun

Details Color cathode ray tube having an improved electron gun Color cathode ray tube having an improved electron gun

1998-09-02

2000-08-29

Patel, Vip

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313412, 313448, 313449, H01J 2950

Patent

active

061113506

ABSTRACT:
A color cathode ray tube includes a three-beam in-line type electron gun. The main lens section includes a focus electrode and an anode facing the focus electrode, each of the focus electrode and the anode has an electrode having a single opening common for three electron beams in an end thereof facing each other and a plate electrode disposed therein and having beam apertures. The focus electrode and the anode satisfy a following inequality:

REFERENCES:
patent: 5909080 (1999-06-01), Uchida et al.
patent: 5942844 (1999-08-01), Nakamura et al.
patent: 6031346 (2000-02-01), Shirai et al.

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