Gas panel with improved drive circuits

Details Gas panel with improved drive circuits Gas panel with improved drive circuits

G - Physics

09

G

375/21

G09G 3/10 (2006.01)

Patent

CA 1157171

GAS PANEL WITH IMPROVED DRIVE CIRCUITS Abstract of the Disclosure A driving circuit for a gas-discharge display device includes a pair of switching members and the secondary windings of a transformer wired in series with one of the switching members. The switching members in response to receiving out-of-phase control signals alternately apply a low voltage pulse to the display device. The secondary windings of the transformer output continuously a high voltage pulse in phase with one of the switching members. Upon the generation of appropriate control signals enabling the operation of the switching members, a voltage of sufficient magnitude is applied to selected cell segments in the display device to fire the cells. The transformer together with the low voltage pulses are driven by a high frequency clock to provide a high intensity display operation.

367525

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