Solid state regulated power supply system for cold cathode lumin

Details Solid state regulated power supply system for cold cathode lumin Solid state regulated power supply system for cold cathode lumin

1983-08-08

1985-06-18

Dixon, Harold

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Periodic switch in the primary circuit of the supply...

315222, 315244, 315DIG7, H05B 3702

Patent

active

045243050

ABSTRACT:
A solid state power supply and light emission controller for a cold cathode luminescent tube which converts alternating current line voltage, or direct current voltage, into a variable repetition rate pulse alternating current voltage for energizing the tube and for controlling the light emission of the tube. The power supply provides for essentially constant light emission from the tube in the presence of variations in the internal impedance of the tube, variations in ambient temperature, and variations in line voltage. The power supply finds use, for example, with cold cathode luminescent tubes such as neon tubes, and the like.

REFERENCES:
patent: 3072822 (1963-01-01), Holmes
patent: 3449629 (1969-06-01), Wigert et al.
patent: 3611021 (1971-10-01), Wallace
patent: 3967159 (1976-06-01), Dendy et al.
patent: 4395659 (1983-07-01), Aoike et al.
patent: 4415839 (1983-11-01), Lesea

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