Method and device for adjusting optical axis of headlight
专利汇可以提供Method and device for adjusting optical axis of headlight专利检索，专利查询，专利分析的服务。并且PURPOSE: To speed up optical axis adjusting operation by adjusting the optical axes of headlights over a look at a display so that a virtual light-dark border line is put in a standard range.
CONSTITUTION: Television cameras 4a and 4b pickup images of the headlights 2a and 2b. An image processor 6 finds the upper and lower, and right and left positions of the standard light-dark border line L
0 indicating the acceptance range of the corresponding headlights corresponding to the found positions and a vehicle kind signal from a console panel 7 and displays them on 8a and 8b. Television cameras 5a and 5b pickup images of light distribution patterns A on screens 3a and 3b corresponding to the headlights 2a and 2b and the processor 6 makes displays 8a and 8b of the brightest points P of illumination light and the measured positions of the light-dark border line L with the image pickup signal to find the relative distance D from the position of the point P and the position of an intersection. Then when the line L is within the acceptance range of the line L
0 , the pattern A is moved by optical axis adjustment and a virtual light-dark border line L' is found from the position of the point P and the distance D and displayed 8a and 8b. This procedure is repeated to adjust the optical axes over a look at the devices 8a and 8b so that the line L' enters the acceptance range of the line L
0 .
COPYRIGHT: (C)1988,JPO&Japio，下面是Method and device for adjusting optical axis of headlight专利的具体信息内容。
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