G - Physics – 09 – F
Patent
G - Physics
09
F
375/44
G09F 9/00 (2006.01) G09G 3/28 (2006.01)
Patent
CA 1087767
GAS PANEL SINGLE ENDED DRIVE SYSTEMS ABSTRACT OF THE DISCLOSURE In accordance with the present invention, a simplified panel drive system is disclosed. The conventional gas panel has two sets of conductors on opposite sides of the panel isolated from the gas by a dielectric coating and positioned substantially orthogonal to each other. The present inven- tion utilizes one set of drivers to provide a full sustain signal to one axis while the second set of drivers effec- tively provides a ground reference to the second axis. The axis handling most of the communication is (the "busy" axis) maintained at ground reference, providing continuous com- munication between this axis and the timing and control circuitry, while enough time is available during the normal sustain sequence when the sustain signal is at ground reference to communicate with the drivers utilized with the second axis. By operating in this mode, the isolation circuitry and driver circuitry together with their associated power associated with the "busy" axis are eliminated, while a uniform intensity display is provided by continuing to operate the panel in the sustain mode.
285876
Lamoureux William R.
Trushell James B.
International Business Machines Corporation
Kerr Alexander
LandOfFree
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