Home communication system, has television set-gateway-station connected or attached to bus and including unit for converting bus-video signals to television set-input signals of usual television sets

摘要

The system has a door station (2) with a video camera (28) that is provided with a unit for generating bus-video signals outside an audible audio-frequency. The bus-video signals are transferred over a bus (6). A television set (TV)-gateway-station (34) is connected or attached to the bus and has a unit for converting bus-video signals to TV-input signals of usual television sets.