BI-DIRECTIONAL COMMUNICATION VIDEO PHONE FOR TRANSMITTING HIGH-DEFINITIOM DATA

摘要

The present invention relates to a video phone and a method for driving the video phone and, more specifically, to a video phone and a method for driving the video phone capable of bi-directional transmission of high definition digital data between an entrance camera unit and a monitor unit through four pieces of distribution line consisting of two pieces of power line and two pieces of data line.