Patent ID: 6172605
Filing Date: 2001-01-09
Classification: G08B,H04N

Abstract:
A remote monitoring system comprising;a monitoring terminal unit provided with a TV camera to picture a monitoring object,a sensor to watch for an abnormality in the monitoring object, an encoder to encode the monitoring image from said TV camera in a set resolution,an image storage to write in the encoded image data in a continuous and cyclic manner anda connection control means to control connection for communication, and a remotely located monitoring central unit which will be connected with said monitoring terminal unit by said connection control means through a communication line in case said sensor detects an abnormality so that real-time images on said TV camera or stored images will be transmitted and displayed on a monitor in the monitoring central unit, andan encoding control means for setting the resolution of said encoder to a fixed level in the normal state and to a value higher than the fixed level when an abnormality is detected.