Operating device and method for operating gas discharge lamps

Operating device for at least one electric lamp with a...

Operating method and operating apparatus for a high pressure dis

Optical and temperature feedbacks to control display brightness

Optocoupler dimmer circuit for high intensity, gaseous discharge

Optocoupler system with reduced power consumption and pulse...

Organic EL drive circuit and organic EL display device

Organic EL drive circuit and organic EL display device using...

Oscillating driver circuit with power factor correction, electro

Output short circuit protection for electronic ballasts

Output short circuit protection for electronic ballasts

Over temperature protection circuit having plural thermal compon

Overheating protection device for a control device in gas...

Overvoltage and thermally protected electronic ballast

Overvoltage protection for hid lamp ballast

Ozone generator having a mercury lamp with a filament...