专利汇可以提供Aging method of discharging lamp专利检索,专利查询,专利分析的服务。并且PURPOSE: To shorten the aging time by lighting the discharging lamp for predetermined time under such stage that a parallel circuit of main ballast and aux. ballast is connected in series with said lamp, then disconnecting the aux. ballast and lighting for predetermined time through only main ballast.
CONSTITUTION: Low voltage starting high pressure sodium lamp constituted of a light emitting tube encapsulated with neon-argon penning gas is lighted while employing a choke coil ballast as main ballast 1 and choke ballast as aux. ballast 2. Here switch 3 is closed to connect main ballast 1 and aux. ballast 2 in parallel then power source switch 4 is closed to light high pressure discharging lamp 5. Five minutes after starting, switch 3 is opened to disconnect the aux. ballast 2 from high pressure discharging lamp 5 then it is further lighted for another five minutes through only main ballast 1 and the lamp voltage is measured to select between complete and defective bulbs.
COPYRIGHT: (C)1980,JPO&Japio,下面是Aging method of discharging lamp专利的具体信息内容。
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