Plasma panel with dynamic keep-alive operation utilizing a laggi

Details Plasma panel with dynamic keep-alive operation utilizing a laggi Plasma panel with dynamic keep-alive operation utilizing a laggi

1975-11-24

1977-02-22

La Roche, Eugene R.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

315169R, 340324M, H05B 4114

Patent

active

040094154

ABSTRACT:
An a-c plasma display panel including apparatus for driving the keep-alive cell sustain signal circuits in a non-fixed relation with address pulses. By constraining the keep-alive sustain signal to selectively lag the addressing signal by an amount dependent on the address of a cell being addressed it is possible to refine the control over voltage margins afforded by dynamic keep-alive while simplifying the circuitry required to produce it.

REFERENCES:
patent: 3654507 (1972-04-01), Caras et al.
patent: 3733435 (1973-05-01), Chodil et al.
patent: 3742483 (1973-06-01), Ogle
patent: 3761773 (1973-09-01), Johnson et al.
patent: 3786484 (1974-01-01), Miavecz
patent: 3800296 (1974-03-01), Weber
patent: 3801864 (1974-04-01), Yamane et al.
patent: 3839713 (1974-10-01), Urade et al.

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