| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a measuring method for the wear of a tire to automatically inform a driver the wear-limit of the tire without the influence of contamination. <P>SOLUTION: The degree of the wear of a tread is specified by detecting a shape change caused by the wear of a magnetic substance arranged on or inside the groove of the tire tread. <P>COPYRIGHT: (C)2003,JPO |
