Gaseous discharge display panel with auxiliary excitation cells

Details Gaseous discharge display panel with auxiliary excitation cells Gaseous discharge display panel with auxiliary excitation cells

1974-02-15

1976-01-13

Richardson, Robert L.

Communications: electrical

Audible indication

Percussion-type sound producer

313197, 313208, 313514, 315169TV, 340324M, H01J 1730

Patent

active

RE0286834

ABSTRACT:
A display panel comprising a plurality of gas-filled cells, each having a pair of energizing electrodes and adapted to be energized in groups to display characters. The panel also includes a plurality of cells which are adapted to be energized so that they glow continuously and facilitate the turning on of the groups of cells which are used to display a character. These auxiliary energizing cells are hidden from view so that they perform their function without being seen and without interfering with viewing of the primary characters.

REFERENCES:
patent: 2921236 (1960-01-01), Gawehn
patent: 2925530 (1960-02-01), Engelbart
patent: 3114860 (1963-12-01), Stutsman
patent: 3242378 (1966-03-01), Kobayashi
patent: 3499167 (1970-03-01), Baker et al.
patent: 3509407 (1970-04-01), Cullis, Jr.
patent: 3509421 (1970-04-01), Holz

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