Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent
1976-05-19
1978-07-18
Farley, Richard A.
Electric lamp and discharge devices: systems
Plural power supplies
Plural cathode and/or anode load device
340324M, H05B 4114
Patent
active
041018109
ABSTRACT:
Operating wave forms which are asymmetrical are applied to a gas discharge display and memory panel device to simplify the drive electronics, improve interfacing to logic controls and adapt to integrated circuitry. One bulk sustainer wave form is applied to one array of a pair of transversely oriented electrode arrays. Addressing wave forms for altering the discharge state of discharge sites between the arrays are superimposed on the bulk sustainer and thus referenced to the bulk sustainer voltage levels for electrodes of the one array. The other array has addressing wave forms which are referenced to a fixed voltage level, advantageously ground and are sequenced to function as a component of the composite sustainer wave form for the panel and discharge manipulating wave forms for selected discharge sites of the panel or the entire panel. A system affording the above operations is set forth together with addressing logic suitable for integrated circuit gating to the device electrodes. Typical wave forms are disclosed for write, erase and bulk erase functions.
REFERENCES:
patent: 3803449 (1974-04-01), Schmersal
patent: 3993990 (1976-11-01), Miller et al.
Miller John W. V.
Schermerhorn Jerry D.
Click Myron E.
Farley Richard A.
Owens--Illinois, Inc.
Wedding Donald K.
Wilson David H.
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