D.C. voltage supply circuit for fluorescent lamps

Daylight control system device and method

DC coupled electronic ballast with a larger DC and smaller AC si

DC operated electronic ballast for fluorescent light

DC/DC converter

DC/DC converter

DC/DC converter control circuit, and power supply apparatus,...

Device for controlling a gas-discharge lamp for use in a motor v

Device for controlling light emission rates of a backlight

Device for controlling lighting of discharge lamp and H-bridge c

Device for driving a light source module

Device for driving a light source module

Device for driving light sources

Device for operating a gas discharge lamp

Device for operating a gas discharge lamp to produce output pote

Device for operating a gas discharge lamp with reduced...

Device for regulating ac current circuit

Device for starting and operating gas discharge tubes

Device for starting and supplying a fluorescent tube

Digital controlled multi-light driving apparatus