Discharge lamp device

专利名称：Discharge lamp device

发明人：Makoto Touho,Shigeaki Wada,Minoru

Yamamoto

申请号：US06/276455申请日：19810623公开号：US04434385A公开日：19840228

摘要：A discharge lamp device wherein discharging zone within a tubular dischargelamp is caused to exist as selectively biased with respect to the axis of the lamp to renderthe light distributing characteristic non- uniform in the circumferential direction of thelamp and, utilizing such biased discharging zone, a light of selective color or color tonedependent on a color or color tone determining material disposed along the biased zoneis provided. The discharging zone biasing is realized specifically preferably by anelectromagnetic means.

申请人：MATSUSHITA ELECTRIC WORKS, LTD.

代理机构：Burns, Doane, Swecker & Mathis

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