专利汇可以提供High voltage metallic vapor discharge lamp专利检索,专利查询,专利分析的服务。并且PURPOSE: To improve the life characteristics of a high voltage metallic vapor discharge lamp by selecting the size of the electrode of a light emitting tube having electrodes and coils surrounded around the rods and shorting current of a choke coil stabilizer in special range to thereby exactly start the hight voltage sodium lamp.
CONSTITUTION: There are provided a conductor 5 applied with potential only at starting time, and a starter 4 for generating a kick voltage upon opening and closing of a heat-responsive swtich 6 in a light emitting tube 2 filled with buffer gas metal with sodium and Xe gas of 200W500Torr. A choke coil stabilizer 7 of 4.1W5.5A of shorting current is connected in series with the light emitting tube 2, in which an electrode rod 11 of diameter D having 5.5W14A/mm with respect to the shorting current,and an electrode 10 of coil 12 having 1.8W4.0A/mm with respect to the shorting current with outer diameter d around the rod 11 to project the end of the rod 11 are provided at both the ends thereof. Thus, it can improve the life characteristics and exactly start the lamp with the kick voltage of lower than 4kV generated.
COPYRIGHT: (C)1980,JPO&Japio,下面是High voltage metallic vapor discharge lamp专利的具体信息内容。
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