Lamp and fan thermal control by directed air flow
Lamp control system
Lamp with a temperature-controlled automatically protecting circ
LED tubular lighting device and control device
Light emitting diode control circuit
Light source intensity control device
Lighting apparatus and light control method
Lighting apparatus using microwave
Lighting control system with corrugated heat sink
Lighting device
Lighting device with color control, and method of lighting
Lighting system and electric power supplier for the same
Liquid crystal projector
Load control device having a variable drive circuit