Window position information system that prevents a room being left in dangerous/undesired state has detector giving audible signal to user

摘要

When the last room user (4) leaves the room (1), a detector (11) gives an audible signal to the user, if the position of the rooms elements e.g. windows, doors, etc. (5-8) which can be switched on or off (closed or open), is not in the earlier desired programmed position.