公开(公告)号：US6154133A

公开(公告)日：2000-11-28

申请号：US234688

申请日：1999-01-21

申请人： Donald K. Ross ,  Maurice V. Garoutte ,  Rick D. Thomason ,  David W. McGhee

发明人： Donald K. Ross ,  Maurice V. Garoutte ,  Rick D. Thomason ,  David W. McGhee

IPC分类号： G08B13/196 ,  G08B13/00

CPC分类号： G08B13/19643 ,  G08B13/19682 ,  G08B13/19695

摘要： An exit guard system automatically detects movement of a subject along an exit path in an unauthorized direction. A first video camera is positioned for video imaging movement of a subject along the path, while a second video camera images the subject for identification. Multiple video motion detectors operate in conjunction with the first video camera to determine direction of movement of a subject along the path. A CPU operates with the video motion detectors under an exit guard program to provide a watching mode, during which frames of the second video camera are continuously grabbed and saved. Audible and/or visual alarm signaling devices are operated by the CPU in an alarm mode in response to traffic of a subject in the unauthorized direction. A video monitor displays modes of operation of the system, and control devices allow operator selection and control of modes of operation of the system. Remote access to the system for control, monitoring or other purposes is provided by data modem feature.Method of using such system for guarding movement of a subject along the path is disclosed.

摘要翻译： 出口保护系统在未经授权的方向自动检测物体沿出口路径的移动。 定位第一摄像机用于沿着路径进行被摄体的视频成像运动，而第二摄像机对被摄体进行成像以进行识别。 多个视频运动检测器与第一摄像机一起操作以确定被摄体沿着路径的移动方向。 CPU在出口保护程序下与视频运动检测器一起操作以提供观看模式，在该模式期间连续抓取并保存第二摄像机的帧。 声音和/或视觉报警信号装置由CPU以报警模式响应于未经授权的方向的被摄体的流量来操作。 视频监视器显示系统的操作模式，并且控制设备允许操作者选择和控制系统的操作模式。 通过数据调制解调器功能提供远程访问系统以进行控制，监视或其他目的。 公开了使用这种系统来保护对象沿着路径的运动的方法。