Process and apparatus for starting a high pressure gas discharge

Process and circuit arrangement for operating cold cathode disch

Program start ballast

Programmable AC power switch

Programmable gradual illumination lighting device

Programmable lighting control system for controlling illuminatio

Programmable lighting control system with normalized dimming for

Programmable lighting system with automatic light control of amb

Programmable multicircuit wall-mounted controller

Programmable PWM module for controlling a ballast

Programmable wallbox dimmer

Programmable wallbox dimmer

Programmed ballast with resonant inverter and method for...

Programmed control module for inductive coupling to a wall switc

Programmed start ballast for gas discharge lamps

Programming and control device for modified lead ballast for HID

Projection type video display apparatus

Projector and light source device thereof

Projector lamp control for increased lamp life

Projector, lamp lighting circuit and lamp lighting control...