发明名称 LIGHTING FIXTURE
摘要 <P>PROBLEM TO BE SOLVED: To provide a lighting fixture capable of easily changing over into light distribution states rich in varieties. <P>SOLUTION: A light distribution changeover means control part 42 of a control part 40 controls a light distribution changeover means 30 to set a given light distribution state preliminarily set at a given time. When another given time point comes, the light distribution changeover means control part 42 controls the light distribution changeover means 30 to set another light distribution state, so that a light distribution state can be formed in accordance with environments. Here, a lighting changeover control part 43 lights up one kind of light source 22 when a given light distribution state is to be set at a given time, and another kind of light source 23 at another given time, so that light distribution states with rich varieties can be changed over. <P>COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2010146754(A) 申请公布日期 2010.07.01
申请号 JP20080319827 申请日期 2008.12.16
申请人 PANASONIC ELECTRIC WORKS CO LTD 发明人 HOSHIGA MICHIYA
分类号 F21S8/04;F21V11/04;F21V14/08;F21Y101/00;F21Y103/00 主分类号 F21S8/04
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