发明名称 ILLUMINATION DEVICE, ILLUMINATION FIXTURE AND ILLUMINATION SYSTEM
摘要 <P>PROBLEM TO BE SOLVED: To provide an illumination device, illumination fixture and illumination system capable of performing accurate inspection of a secondary cell without influenced by a lamp state. <P>SOLUTION: An emergency lighting device 2 receives a lamp status out put B from a normal lighting device 1 while a commercial power supply AC is supplied and determines abnormality of the secondary cell 20 by a determining part 25c only when a lamp 3 is normally lit when an emergency lighting circuit part 23 is operated by the secondary cell 20 at inspection of the secondary cell 20, does not determine abnormality of the secondary cell 20 at the end of life of the lamp 3 when a discharging current of the secondary cell 20 becomes excessive or in a coming-off state of the lamp 3 where the discharging current of the secondary cell 20 becomes too low or even in a power supply OFF state where the state of the lamp 3 becomes more uncertain. <P>COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2006302837(A) 申请公布日期 2006.11.02
申请号 JP20050126866 申请日期 2005.04.25
申请人 MATSUSHITA ELECTRIC WORKS LTD 发明人 MATSUZAKI JUN;TATENO YOJI;MITSUYASU HIROSHI
分类号 H05B37/02;F21S9/02;F21Y101/00;H05B41/14 主分类号 H05B37/02
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