EMBEDDED DVR SYSTEM HAVING PLC FUNCTION THEREIN

摘要

PURPOSE: An embedded DVR(Digital Video Recorder) system having a PLC(Power Line Communication) function therein is provided to be connected through a power line only, and to communicate with a manager at the request of the manager, thereby effectively monitoring/managing through the DVR system. CONSTITUTION: A DVR system comprises as follows. A video decoder and a video encoder input/output an image. An SDRAM, a flash RAM, and a hard disk store image data and programs. A video encoder and a video decoder compress/restore the image data. A multiplexer controls image data by channel. An MCU drives and controls each unit, inputs the image through a camera, and monitors/stores the inputted image. A manager or a user PC controls the DVR system through PLC.