The Ultimate Systems Development Method Based on Finite State Machine

A fluorescent lamp light unit a rectangular housing, one double parabolic head mirror, two side mirrors, and two raster mirrors being provided for each fluorescent lamp. One object of the invention is to maximize the lumicous efficiency with low illumination energy, under utilization of a simple structure. Each side mirror is held under prestressing, on the one hand, on the head wall of the housing beneath the edge of the double parabolic head mirror and, on the other hand, on frontal nose-shaped receptions.