Plasma display driving apparatus

Details Plasma display driving apparatus Plasma display driving apparatus

1974-08-16

1976-02-24

Trafton, David L.

Communications: electrical

Systems

Portable self-contained

315169TV, G08B 536

Patent

active

039407551

ABSTRACT:
Apparatus for driving a plasma discharge display employs a sustaining voltage pulse train source for quiescently energizing the display electrodes. To modify the display presentation, e.g., to initiate discharges at a new cell or terminate that previously obtaining, one of the sustaining voltage pulses is suppressed and an appropriate display changing signal introduced in its place.
Because the change signals are developed during the time interval otherwise allotted to a sustaining pulse, there is no requirement for an interval between sustaining pulses for display modifying signaling. Accordingly, the sustaining pulse rate can be rapid, resulting in a bright display with good operating margins.

REFERENCES:
patent: 3609746 (1971-09-01), Trogdon
patent: 3739371 (1973-06-01), Hulyer
patent: 3803449 (1974-04-01), Schmersal

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