| 摘要 |
A car vehicle or a moving machine unit is equipped with a course indicator, i.e. a signal light indicating the advancing direction. For example, a tail lamp is formed by segmenting equally and linearly; and when it operates as the signal light of the course indicator, it is lighted continuously to be sequential in the direction pointed by the segmented light emitting portions. Unlike a conventional indicator which is simply lighted or flickered, the tail lamp presents an easy-to-recognize indication and is good in design.
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