Lamp lighting apparatus and projector using the same

Lamp lighting circuit and device, and lamp lighting...

Lamp-lighting apparatus

Lamp-lighting apparatus

Launcher suitable for exciting surface waves in a discharge tube

Launcher suitable for exciting surface waves in a discharge tube

Lead ballast circuit with power regulation for a gas discharge l

Lead-type ballast apparatus with improved power factor for opera

LED dimming control technique for increasing the maximum PWM...

LED dimming control technique for increasing the maximum PWM...

Led lamp

LED power source and DC-DC converter

LED reading light

LED switching arrangement for enhancing electromagnetic...

Light emitting apparatus with current limiting

Light emitting diode illuminating device

Light fixture with submersible enclosure for an electric lamp

Light generation by an electrodeless fluorescent lamp

Light matrix display system

Light monitoring system