专利名称：ELEVATOR OPERATION DEVICE发明人：NAKAGAWA HIROYUKI,INOUE SEIKI申请号：JP1497191申请日：19910116公开号：JPH04235866A公开日：19920824
摘要：PURPOSE:To switch over a reference floor for an elevator automatically even ifa janitor is absent. CONSTITUTION:A normally-open contact Da for detecting a fine andrain is closed when it is fine and open when rainy. If a call is not registered when it is fine, acontact Cd will be closed to energize a relay 1 and a cage will run toward a first floor. Onthe other hand, if the call is not registered when it is rainy, the contact Cd will be closedto energize a relay Bl and the cage will run toward a first base floor. Thus efficient servicecan be given.
申请人：HITACHI BUILDING SYST ENG & SERVICE CO LTD
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