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

Device for operating a gas-discharge lamp

Device for operating a high pressure discharge lamp

Device for operating a high pressure discharge lamp

Device for operating a high-pressure discharge lamp

Device for regulating ac current circuit

Device for regulating the intensity of an electric current

Device for starting and operating gas discharge tubes

Device for starting and supplying a fluorescent tube

Device for the control of fluorescent lamps in a lighting...

Device for turning on light and illumination apparatus

Device having three transistors for driving light-emitting...

Devices for powering a motor vehicle headlight discharge lamp

Dielectric barrier discharge lamp light source

Digital ballast

Digital ballast

Digital ballast

Digital controlled electronic ballast with piezoelectric...

Digital controlled light source driving apparatus

Digital controlled multi-light driving apparatus