| 摘要 |
PROBLEM TO BE SOLVED: To discriminate the distance from a vehicle to an obstruction at a glance or to discriminate the distance relation of a plurality of obstructions at a glance. SOLUTION: When an obstruction SL and an obstruction SR exist in a position 0.15 m away from a vehicle body and in a position 0.18 m away from the vehicle body, behind a left corner sonar and a right corner sonar arranged on the lateral sides of the rear of a vehicle and an obstruction SC exists in a position 1.5 m away from the vehicle body, behind a rear sonar arranged at the rear center of the vehicle, a vehicle rear image 16 is displayed on a display 15, and the obstructions SL, SR, SC are displayed in the image 16. A left corner sonar detecting display body 23 and a right corner sonar detecting display body 22 are displayed in red which is the same color as a red distance line 18 existing directly behind the obstructions SL, SR, and the rear sonar detecting display body 21 is displayed in green which is the same color as a green distance line 20 existing directly behind the obstruction SC.
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