| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a headlight testing apparatus that can photograph an image projected to a screen through a condenser lens, by a camera such as CCD camera, and accurately measure without correction by image processing. <P>SOLUTION: The headlight testing apparatus comprises a condenser lens 3 for converging headlight beams in the front face of a case 1 movable in four directions, a screen 4 to which converged beams from the condenser lens 3 are projected in the case, and the camera such as the CCD camera 5 for detecting the image on the screen therein; wherein the camera such as the CCD camera 5 is arranged out of the range of the converged beams with an optical center axis thereof L2 in parallel with the optical center axis L1 of the condenser lens. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
