Patent ID: 8237795

Claim:
A driving assistance device, comprising: imaging means for taking an image of an object behind an automotive vehicle; and displaying means for displaying, on a screen, said image with support information useful in assisting a driver in parking said automotive vehicle in a parallel parking space, characterized in that said driving assistance device further comprises: roadside detecting means for detecting a roadside from said image taken by said imaging means in the vicinity of said parallel parking space; and guide marker producing and superimposing means for producing, at least, first and second guide markers as said support information, and superimposing said first and second guide markers on said image to be displayed by said displaying means, wherein said guide marker producing and superimposing means is adapted to estimate an on-screen position of said first guide marker to said automotive vehicle, said automotive vehicle being moved toward said parallel parking space in reverse gear at one of maximum steering angles opposite to each other until an angle of said automotive vehicle to said roadside is equal to a predetermined value, said first guide marker being in superimposed relationship with said roadside detected by said roadside detecting means at the time of allowing said angle of said automotive vehicle to said roadside to be equal to said predetermined value, to estimate an on-screen position of said second guide marker to said automotive vehicle, said automotive vehicle being moved toward said parallel parking space straight in reverse gear after said first guide marker is superimposed on said roadside until said second guide marker is superimposed on said roadside detected by said roadside detecting means, and to ensure that said automotive vehicle is parked in said parallel parking space upon moving in reverse gear at the other of said maximum steering angle at the time of allowing said second guide marker to be superimposed to said roadside detected by said roadside detecting means.