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专利名称：Device for measuring mean staying time发明人：Yukihiro Aoki,Satoru Shibuya申请号：US08/877655申请日：19970616公开号：US05971605A公开日：19991026
摘要：A device for measuring mean staying time of persons inside a building byprocessing signals from an entry/exit detector that outputs entry and exit signals whenpersons enter into and exit from the building. The device includes a staying measurer fordetermining the number of persons staying inside the building by subtracting thenumber of exit signals from the number of entry signals, an entry or exit measurer fordetermining the number of persons who have entered into or exited from the building bycounting the entry or exit signals per predetermined period of time, and a calculatingsection for calculating the mean staying time of persons in the building during such atime period by dividing the number of persons staying inside at the time the unit time hasexpired by the number of persons who have exited.
申请人：GIKEN TRASTEM CO., LTD.
代理机构：Koda & Androlia
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