Driving circuit for a gas discharge display panel

Details Driving circuit for a gas discharge display panel Driving circuit for a gas discharge display panel

1975-01-20

1976-06-29

Grimm, Siegfried H.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

313201, 313210, 313217, H01J 153, H01J 1104, H05B 3700

Patent

active

039671577

ABSTRACT:
A circuit for driving one electrode group of a gas discharge display panel includes a plurality of PNP transistors and NPN transistors. The emitter electrodes of the PNP transistors are connected to a positive voltage source and the emitter electrodes of the NPN transistors are connected to ground. Diode means are connected between the collector electrodes of the PNP transistors and those of the NPN transistors across matrix points formed at the intersections of a first plurality of conductors connected respectively to the collector electrodes of the PNP transistors and a second plurality of conductors connected respectively to the collector electrodes of the NPN transistors. The individual electrodes of the one electrode group of the gas discharge tube are connected to the diode means and grounded through capacitors, which may be included in the gas discharge display panel.

REFERENCES:
patent: 3803440 (1974-04-01), Andoh et al.
patent: 3803450 (1974-04-01), Trogdon
patent: 3840779 (1974-10-01), Schermerhorn
patent: 3851212 (1974-11-01), Umeda et al.

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