D.C. Scan panel

DC Gas discharge display panel with internal memory

DC Isolated RF transition for cathode-driven crossed-field ampli

DC type gas-discharge display panel and gas-discharge display ap

Delayed response touch switch controller

Device and method for operating a high pressure discharge lamp

Device applicable to fluorescent tubes reducing the consumption

Device for attenuating cavity interference waves in a high-frequ

Device for attenuating very short parasitic waves in electronic

Device for controlling a magnetron filament current based on...

Device for electronically tuning a power magnetron

Device for fluorescent tube armatures

Device for lighting a high-pressure discharge lamp by...

Device for operating discharge lamps by means of a...

Device provided with a gas and/or vapor discharge tube

Dielectric barrier discharge lamp

Dielectric barrier discharge lamp having an ignition means

Dimmable fluorescent lamp package

Dimmable fluorescent lamp package

Dimmer and starting circuits for a fluorescent lamp