发明名称 ELEVATOR DISPLAY DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a hall lantern, in which lighting status is easily discriminated without increasing power consumption. SOLUTION: This elevator display device is provided with an illuminance detector 7 to detect the illuminance of installation environments of the hall lantern 13 installed for each cage at an elevator hall to light before arrival of the cage. The hall lantern 13 comprises a plurality of light sources. A control means is provided which switches the light sources according to on the illuminance detected by the illuminance detector 7. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007022743(A) 申请公布日期 2007.02.01
申请号 JP20050206750 申请日期 2005.07.15
申请人 HITACHI LTD 发明人 TOKUNAGA YOSHIHIRO;IKETOMI TSUTOMU;MATSUMOTO KEIJI;FUKADA HIRONORI
分类号 B66B3/02 主分类号 B66B3/02
代理机构 代理人
主权项
地址