Fluorescent display tube

Details Fluorescent display tube Fluorescent display tube

1979-05-07

1981-10-06

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

H01J 1938, H01J 6306

Patent

active

042937930

ABSTRACT:
In order to suppress the Barkhausen oscillation previously observed in fluorescent display tubes, the electron-stream transmission of the grid electrode is controlled by shielding regions of solid or fine mesh form provided in each of the grid meshes in opposing relationship to the exposed insulating portions of the anode substrate lying within the corresponding set of anode segments, which are arranged in a pattern of substantially figure-of-eight configuration.

REFERENCES:
patent: 4045704 (1977-08-01), Kishino et al.
patent: 4047073 (1977-09-01), Kishino
patent: 4155026 (1979-05-01), Nixon

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