Display panel having improved arrangement of reset cells for fac

Details Display panel having improved arrangement of reset cells for fac Display panel having improved arrangement of reset cells for fac

1976-02-09

1977-09-06

Curtis, Marshall M.

Communications: electrical

Systems

Portable self-contained

313201, 315169TV, G06F 314

Patent

active

040471691

ABSTRACT:
The panel comprises a gas-filled envelope which contains a series of column cathode strips, which are oriented parallel to each other, and include a first cathode strip, a last cathode strip, and intermediate cathode strips. Means are provided which form, with the cathode strips, columns of priming cells and columns of display cells which, in panel operation, are scanned sequentially and repetitively to display characters. The columns of cells, thus, also include a first column, a last column, and intermediate columns. A two-part reset electrode arrangement is provided adjacent to the first cathode strip and the first column of cells to insure proper start of a scanning cycle. The reset arrangement comprises a column electrode, and a plurality of short horizontal electrode bars which extend between the column electrode and the first cathode strip. The reset electrodes provide excited particles which insure turn-on of the first column of priming cells at the beginning of a scanning cycle.

REFERENCES:
patent: 2847615 (1958-08-01), Engelbart

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