ACCESS-MONITORING DEVICE WITH AT LEAST ONE VIDEO UNIT
专利汇可以提供ACCESS-MONITORING DEVICE WITH AT LEAST ONE VIDEO UNIT专利检索，专利查询，专利分析的服务。并且An access-monitoring device of an elevator installation includes at least one video unit, wherein the video unit is connected to a control unit via a communications network. The video unit records at least one image of a defined monitoring space of the access-monitoring device. The video unit filters out a non-changing part of the at least one image and evaluates the remaining image part as to whether there is an object in the monitoring space. In the case of there being an object in the monitoring space, the video unit communicates data to the control unit. The control unit checks, in dependence on the data communicated, the authorization of the object in the monitoring space and determines either the direction of movement or the location of the object within the monitoring space.，下面是ACCESS-MONITORING DEVICE WITH AT LEAST ONE VIDEO UNIT专利的具体信息内容。
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