A lighting unit with discharge lamps, particularly for spotlights and the like, including a discharge lamp inside a containment enclosure and ventilation elements for cooling the lamp, a control unit that drives a lamp power supply to supply variable power levels to the lamp and a fan power supply for actuating the ventilation elements at a variable speed. The control unit is controlled by signals imparted from outside and/or by signals that can be derived from measurements taken inside the lighting unit.

 
Web www.patentalert.com

< Light modulating device and exposure apparatus using the same

< Backlight module for homogenizing the temperature of a flat panel display device

> Universal automated yoke for lighting fixtures

> Indicator lamp comprising an optical device for recovering and distributing the light flux towards an annular reflector

~ 00214