G - Physics – 06 – F
Patent
G - Physics
06
F
375/44
G06F 3/14 (2006.01) G09F 9/00 (2006.01) G09G 3/28 (2006.01)
Patent
CA 1076723
TITLE DRIVING AND ADDRESSING CIRCUITRY FOR GAS DISCHARGE DISPLAY/MEMORY PANELS ABSTRACT A driving and addressing circuit for applying sustaining, writing and erasing voltages to the cells of a multicelled gas discharge display/memory panel. The voltage generating circuitry is isolated from the panel by a pair of diodes individual to each electrode in the panel. Only the sustainer circuits and the diodes carry the relatively high sustainer currents so that the addressing circuits can be high impedance, low current devices. Switching means is provided between the electrodes and a diode clamp to limit the voltage applied to the cell to the maximum sustainer potential when the switching means is turned on. The switching means is turned off during the "write" addressing to allow the voltageapplied to the cell to exceed the sustainer potential. In one embodiment, the switching means comprises a pair of switches, each one connected to all of the electrodes in one electrode array. In another embodiment, a single switch is connected to all the electrodes in one electrode array.
281588
Schermerhorn Jerry D.
Slottow Hiram G.
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