High frequency electronic ballast

High frequency electronic drive circuits for fluorescent lamps

High frequency HID lamp system

High frequency HID lamp system with lamp driven at a frequency a

High frequency inductive lamp and power oscillator

High frequency inductive lamp and power oscillator

High frequency inductive lamp and power oscillator

High frequency operating circuit with in-rush current protection

High frequency operation of miniature metal vapor discharge lamp

High frequency/high power factor inverter circuit with...

High intensity discharge ballast

High intensity discharge ballast with hot restrike performance

High intensity discharge lamp

High intensity discharge lamp ballast having a transient protect

High intensity discharge lamp device

High intensity discharge lamp geometries

High intensity discharge lamp magnetic/electronic ballast

High intensity electrodeless low pressure light source driven by

High intensity light sources

High light output electrodeless fluorescent closed-loop lamp