| 摘要 |
PURPOSE: A traffic signal change information method and apparatus are provided to minimize waiting time for restarting a vehicle by showing calculated signal waiting time to a driver. CONSTITUTION: A signal transmission device(100) wirelessly transmits a traffic signal indicating a traffic instruction status of a traffic light. A traffic signal change information device(200) in a vehicle receives the traffic signal. The traffic signal change information device calculates remaining time for being changed to a next traffic instruction status. The traffic signal change information device informs a driver of the remaining time. [Reference numerals] (AA, BB) Traffic signal transmission |
