Video entryphone system for transmission control protocol (TCP)/Internet protocol (IP) networks has data generating and receiving device in street plate and house monitors for generating/sending and receiving IP data

摘要

The system is comprised of at least one street plate and house monitors that are interconnected to each other through TCP/IP networks. The street plate and house monitors have a data generating and receiving device for generating IP data that are sent to, or for receiving IP data from, conventional devices interconnected to the TCP/IP networks.