Alphanumeric gas display panel with modular control

Details Alphanumeric gas display panel with modular control Alphanumeric gas display panel with modular control

1974-12-30

1976-06-08

Trafton, David L.

Communications: electrical

Systems

Portable self-contained

315169TV, 340166EL, 340337, G06F 314

Patent

active

039627004

ABSTRACT:
A modular control system is provided for a gas panel of the type having an array of row wires and column wires that form light emitting cells at their crossover points. A row counter and a column counter provide selection signals for entering characters sequentially on the panel. The counters provide borrow and carry signals to components that control the display. Thus, the control operates without regard to the actual size of the display and provides a modular construction for displays of various sizes.

REFERENCES:
patent: 3173745 (1965-03-01), Stone et al.
patent: 3263028 (1966-07-01), Shanafelt et al.
patent: 3747073 (1973-07-01), Sharpless
patent: 3793629 (1974-02-01), Sharpless
patent: 3839713 (1974-10-01), Urade et al.
patent: 3877006 (1975-04-01), Reboul et al.

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