Rare gas control system

Details Rare gas control system Rare gas control system

1987-06-29

1989-04-04

Crosland, Donnie L.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

340468, 40406, 40545, 40558, 3151694, 315DIG7, 362263, B60Q 126

Patent

active

048189685

ABSTRACT:
A system for controlling light propagation in a multiple tube display. Each tube has a pair of electrodes disposed at opposite positions, one of which is excited. Control means excites one of the electrodes of a first tube at a variable increasing power level to cause light intensity to sweep therethrough. A second control circuit controls excitation of one of the electrodes of the other tube to provide a variable increasing power level to cause light intensity to sweep therethrough.

REFERENCES:
patent: 3440488 (1969-04-01), Skirvin

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