House communication system, has subscriber station including TV-input for feeding TV-signal and activation unit for activating television operation and for playing back TV-signal over audio unit and video unit

摘要

The system has a door station (2) and a subscriber station (4), where the stations are connected over a common two-wire bus (6). The subscriber station has a TV-input for feeding a TV-signal including audio and video components. The subscriber station has an activation unit for activating a television operation and for playing back the TV-signal over an audio unit (12) and a video unit (16) including a display (20).