Fluorescent device having a fluorescent starter which precisely

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit

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315101, 315105, 315208, 315DIG5, H05B 3900

Patent

active

055833950

ABSTRACT:
A new fluorescent device including an electronic fluorescent starter, a phase leading capacitor, a ballast, a bridge rectifier, a fluorescent lamp, a brightness compensation circuit, and a control circuit, the electronic fluorescent starter consisting of a master switch circuit, an ignition circuit and a time control circuit, wherein the electronic fluorescent starter matches with the ballast to turn on the fluorescent lamp; the control circuit turns the electronic fluorescent starter to the open circuit state when the fluorescent lamp is turned on; the brightness compensation circuit improves the intensity of light from the fluorescent lamp.

REFERENCES:
patent: 3919590 (1975-11-01), Remery et al.
patent: 4145638 (1979-03-01), Kaneda
patent: 4165475 (1979-08-01), Pegg et al.
patent: 4177403 (1979-12-01), Remery
patent: 5010274 (1991-04-01), Phillips et al.
patent: 5111115 (1992-05-01), Ball et al.
patent: 5440204 (1995-08-01), Shih

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