专利名称：Illuminating system
发明人：Stockwald, Klaus, Dr.,Lang, Dieter,Fromm,
Dietrich, Dr.
申请号：EP98111187.5申请日：19980618公开号：EP0903770A3公开日：19990407
摘要： Lighting system, comprising a mercury-free metal halide lamp with a light yieldof at least 75 lm/W and a colour rendition index of at least 75 and an electronic ballast,the electronic ballast impressing a square-wave power supply on the lamp and keepingthe power constant. The filling comprises the following components: .cndot. a buffer gaswhich also acts as starting gas to start the lamp, .cndot. a voltage gradient generator,comprising at least one metal halide which vaporizes readily and which is chiefly (by morethan 50%) responsible for generating a voltage gradient which corresponds
approximately to that of mercury, and .cndot. a light generator comprising one metaland/or one metal halide.
申请人：PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN MBH
地址：Hellabrunner Strasse 1 81543 München DE
国籍：DE
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