| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fogging evaluation method for a vehicle lamp which allows clearness of a vehicle lamp, and particularly effects of a breather on the clearness, to be accurately confirmed. <P>SOLUTION: Fogging evaluation of a head lamp is performed by an evaluation method comprising: a heating step 32 for heating a head lamp mounted on a vehicle; a cooling step 34 for cooling the head lamp after the heating step 32; and a non-lighting running step 35 applying running wind as the same level as that in a vehicle running state to the head lamp, after the cooling step 34, to confirm clearness of the head lamp. <P>COPYRIGHT: (C)2012,JPO&INPIT |
