A lighting system using a 120 volt AC power source and including within a single enclosure a low wattage fluorescent lamp and a low wattage incandescent lamp. The fluorescent lamp provides an efficient light source operating at a low voltage and low wattage, but providing a relatively bright light. The...http://www.google.fr/patents/US5345149?utm_source=gb-gplus-shareBrevet US5345149 - Lighting system with fluorescent and incandescent lamps
Lighting system with fluorescent and incandescent lamps