Anti-collision apparatus for vehicles

摘要: A safety apparatus or anti-collision device to be installed on motor vehicles for detecting and indicating obstacles encountered a road during conditions of poor reduced visibility. The includes wave propagation means emit continuous periodically frequency modulated with, example, triangular pattern. is emitted by an antenna echo waves reflected are received mixed with portion the transmitted obtain raw signal which passed through filters activate one plurality transducers including, light bulbs illuminated indicate presence distance obstacles. Arrangements made limit number illuminated.