Wall box fluorescent lamp dimmer

Details Wall box fluorescent lamp dimmer Wall box fluorescent lamp dimmer

1985-09-26

1987-10-20

Moore, David K.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Periodic-type current and/or voltage regulator in the supply...

315307, 315DIG4, 315DIG7, H05B 4116

Patent

active

047016809

ABSTRACT:
A wall box dimmer is connected to a conventional fluorescent lighting system for providing a wide range of dimming. Overvoltages generated during chopping of the AC input waveform are dissipated and the lighting level is modified to reduce the overvoltages. DC power for the control electronics is derived from the voltage across the dimmer.

REFERENCES:
patent: 3875458 (1985-04-01), Kappenhagen
patent: 3952241 (1976-04-01), Takemura et al.
patent: 4350935 (1982-09-01), Spira et al.
patent: 4604552 (1986-08-01), Alley et al.

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