Fluorescent display tubes and method of driving the same

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...

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340772, H01J 6302

Patent

active

044019823

ABSTRACT:
In a fluorescent display tube provided with a plurality of electrically isolated grids, spacings for electrically isolating the grids are arranged to divide portions of an anode to be integrally displayed.

REFERENCES:
patent: 4149105 (1979-04-01), Hirooka
patent: 4164683 (1979-08-01), Nakamura
patent: 4178593 (1979-12-01), Kishino
patent: 4194199 (1980-03-01), Shepherd
patent: 4204209 (1980-05-01), Suehiro
patent: 4218636 (1980-08-01), Miyazawa

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