Patent ID: 6154133
Filing Date: 2000-11-28
Classification: G08B

Abstract:
An exit guard system for automatically detecting movement of a subject along an exit path in an unauthorized direction, comprising at least one video camera positioned for video imaging of at least a portion of the exit path, at least one video motion detector operating in conjunction with the video camera, by which the video camera monitors exit lane pedestrian traffic, a central processing unit interconnected with the video motion detector, the central processing unit operating under an exit guard software program to provide a watching mode, during which video frames of pedestrian traffic in and along the path are continuously grabbed and saved, and audible and/or visual alarm signaling devices, wherein the detection of the subject along the exit path in the unauthorized direction is made by the video motion detector and causes the central processing unit to enter an alarm mode in which it causes the audible and/or visual alarm signaling devices to signal such unauthorized direction movement, a video monitor for displaying modes of operation of the system, and control devices for allowing selection and control of modes of operation of the system.