Color television display tube

Details Color television display tube Color television display tube

1980-01-21

1982-05-25

Demeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313457, H01J 2902, H01J 2950

Patent

active

043319041

ABSTRACT:
A color television display tube comprising three electron guns arranged in line and each comprising successively a triode part, a first lens electrode and a second lens electrode. The first lens electrode of each of the outermost guns is secured to insulating assembly rods by means of two suspension braces situated at an axial distance from each other in such manner that the brace situated nearer the triode part is secured to the outer surface of the first lens electrode remote from the central electron gun and the brace situated nearer the second lens electrode is secured to the outer surface of the first lens electrode facing the central electron gun. Such a construction results in a low thermal convergence drift.

REFERENCES:
patent: 2825845 (1958-03-01), Jonker et al.
patent: 2825847 (1958-03-01), De Gier
patent: 3254251 (1966-05-01), Hughes
patent: 3974416 (1976-08-01), van der Goot et al.
patent: 4061942 (1977-12-01), Andre

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