Fluorescent light controller

Details Fluorescent light controller Fluorescent light controller

1984-07-20

1986-09-16

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Regulation of the control current and/or potential applied...

315DIG4, 315198, 315205, G05F 100, H05B 3702, H05B 3904, H05B 4136

Patent

active

046124799

ABSTRACT:
A dimming system for fluorescent lamps is disclosed which includes a first switching means connected to said source terminals and to said load terminals for controlling the supply of power to said load terminals, a switch control connected to switching means for modulating said load terminals to modulate the sinusoidal power on a time ratio variable basis in order to supply a variable amount of power to said load terminals; and an inverting reducing transformer connected to said source terminals between said source terminals and a second switch means.

REFERENCES:
patent: 3222572 (1965-12-01), Powell, Jr.
patent: 3265930 (1966-08-01), Powell, Jr.
patent: 3355657 (1967-11-01), Biet et al.
patent: 3414768 (1968-12-01), Peek, Jr.
patent: 3935505 (1976-01-01), Spiteri
patent: 4321508 (1982-03-01), Adler et al.
patent: 4350935 (1982-09-01), Spira et al.
patent: 4358716 (1982-11-01), Cordes et al.
patent: 4491903 (1985-01-01), Montague
patent: 4527099 (1985-07-01), Capewell et al.

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