Position detecting method for headlight
专利汇可以提供Position detecting method for headlight专利检索，专利查询，专利分析的服务。并且PURPOSE: To obtain the same position data on headlights as those when a driver is in the car without letting the driver gets on the car by considering correction data corresponding to the sinking quantity of the car body when the driver is in the car.
CONSTITUTION: Image pickup signals obtained by picking up images of the headlights 2a and 2b by television cameras 4a and 4b are used by an image processor 6 to find the ground height WL, etc., of the car, and then a value WL
1 is found by subtracting the sinking quantity equivalent value ▵x of the car body when the driver is in the car. A standard light-dark border line L
0 is found from those data, etc., and displayed 8a and 8b. Further, the processor 6 finds the brightest point P of illumination light and the measured position of the L from image pickup signals of the cameras 5a and 5b as to light distribution patterns A on screens 3a and 3b corresponding to the lights 2a and 2b and they are displayed 8a and 8b; and the relative distance D is found from the positions of the point P and the intersection S of the horizontal line part (a) of the line L and a slanting-line part (b). Then when the line L is not within the acceptance range of the line L
0 , the patterns A are moved by optical axis adjustment to find a virtual light-dark border line L', and then adjustments are so made that the line L' is put in the acceptance range of the line L
0 .
COPYRIGHT: (C)1988,JPO&Japio，下面是Position detecting method for headlight专利的具体信息内容。
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