LAMP, IN PARTICULAR SODIUM VAPOR LAMP OR HIGH-PRESSURE METAL HALIDE LAMP, FOR USE WITH CONTINUOUS POWER SUPPLY

摘要

THE INVENTION CONCERNS A LAMP, IN PARTICULAR A SODIUM VAPOR LAMP OR A HIGH PRESSURE METAL HALIDE LAMP, INTENDED TO OPERATE WITH A DIRECT CURRENT POWER SUPPLY / P P IN THIS LAMP PRODUCED UNDER THE SHAPE OF A DISCHARGE ENCLOSURE 1 SURROUNDED BY AN OUTER ENVELOPE 2 AND CONTAINING IN ITS ZONES OF EXTREMITES ANODE 6 AND A CATHODE 7, AS WELL AS A FILLING GAS, THE ARRANGEMENT IS SUCH AS DURING THE OPERATION OF THE LAMP COLD POINT SITUATED ON THE COAST OF CATHODE 6 IS AT A TEMPERATURE HIGHER THAN THE COLD POINT LOCATED ON THE ANODE 7 COAST. / P P APPLICATION IN PARTICULAR TO HIGH-PRESSURE DISCHARGE LAMPS. / P