Fluorescent display device
AssigneeFutaba Denshi Kogyo K.K.
InventorsTakao Kishino, Fumio Ichihara, Nobuo Yamaguchi
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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.
Claims8
A fluorescent display device comprising a display tube section, said display tube section having a plurality of phosphor-coated anodes arranged in the form of a matrix having rows and columns and electrically connected together on a row-by-row basis, said anodes being grouped into a plurality of groups each having a plurality of the anodes, primary control electrodes provided opposite to said anodes, one for each group, secondary control electrodes separately provided opposite to said anodes and between said primary control electrodes and said anodes, one for each column, said groups being grouped into a plurality of blocks each containing at least two groups, and said secondary control electrodes being provided so that those disposed opposite to the corresponding columns of said blocks are electrically connected together by control-electrode wires.
Dependencies are inferred from the claim text.