High voltage pulser circuit for driving row-column conductor arrays of a gas discharge display capable of being made in integrated circuit form

Claim 1

In an electrical circuit system for supplying sustaining voltages and discharge manipulating pulse voltages to one group of row conductors and one group of column conductors in a gas discharge panel device to enter and remove information on said panel and in which transversely oriented row and column conductors effecting discharges in the gas have dielectric charge-storage means for charges produced on discharge interposed between said row and column conductors and the gas, at least a pair of monolithic semiconductor bodies, one for each said group of conductors and each processed to include a plurality of individual dielectrically isolated high voltage transistor switching circuits connected by conductors in circuit configurations described hereinafter including a plurality of contact areas to which connections to and from said circuit configurations are made, each said circuit configuration being functionally identical, wherein: each circuit configuration translates a low level input pulse signal voltage to a high level pulse signal voltage and feeds through a high level periodic signal voltage as said sustaining voltage, and means for supplying a low level input voltage constituting a source of said information to be entered on said panel, the improvements wherein each of said high voltage transistor switching circuit includes diode feedback means between the collector of said high voltage switching transistor and said source of information signals for speeding the response of said switching transistor circuit, a further transistor element for each said circuit configuration, said further transIstor element being operatively connected between said means for supplying a low level input voltage and said high voltage transistor switching circuit for each circuit configuration, respectively.