Fluorescent display device

Details Fluorescent display device Fluorescent display device

1978-12-20

1981-12-01

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

313496, 313519, 3151694, 340758, H01J 1748

Patent

active

043039170

ABSTRACT:
A fluorescent display device comprising a display tube section having a plurality of phosphur-coated anodes arranged in the form of a matrix and electrically connected together on a row-by-row basis, the anodes being grouped into a plurality of groups each having a plurality of anodes, primary control electrodes provided opposite to the anodes, one for each group, secondary control electrodes provided between the primary control electrodes and the anodes, one for each column, the groups being grouped into a plurality of blocks each containing at least two groups, and the secondary control electrodes being provided so that those disposed opposite to the corresponding columns of the blocks are electrically connected together by control-electrode wires.

REFERENCES:
patent: 3328790 (1967-06-01), Rhodes
patent: 3922666 (1975-11-01), Inami et al.
patent: 4149147 (1979-04-01), Kishino
patent: 4156239 (1979-05-01), Hirano et al.

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