Accident warning system for vehicles, registers obstacles within reach of door when swung open and warns occupants of danger or impending hazard

摘要

The vehicle (4) detection and warning unit (1) registers obstacles (2, 3, 5, 6) in (or potentially entering) the ranges of swing (14, 15) of door (8, 9) opening. The unit (1) controls alarms (11, 12) warning vehicle occupants when: an obstacle is detected in these ranges, there is a source of danger or a potential hazard is imminent.