| 摘要 |
The purpose of the present invention is to provide the probability of an accident or a car trouble in a specific area. According to the present invention, information about an accident car, a broken car, a sudden rotation, or a sudden stop is determined by using a car wheel and a speed sensor. [Reference numerals] (AA) Area considered to be engaged with an accident or a failure;(BB,CC) Swerving;(DD) Sudden halting |
