Patent ID: 8032273
Filing Date: 2011-10-04
Classification: G01C,G01P,G08G

Abstract:
1. A section overspeed warning apparatus that warns a driver of the overspeed of a vehicle in an overspeed regulation section having a regulation start position and a regulation end position, the section overspeed warning apparatus comprising: a distance detecting unit configured to detect a travel distance from the regulation start position to a current position of the vehicle and a remaining distance from the current position of the vehicle to the regulation end position; a time detecting unit configured to detect a travel time taken for the vehicle to travel from the regulation start position to the current position of the vehicle; a speed detecting unit configured to detect current speed of the vehicle; a speed determining unit configured to determine whether the current speed of the vehicle will exceed a speed limit of the overspeed regulation section under the assumption that the vehicle travels to the regulation end position constantly at the current speed, by using the detected travel distance, the remaining distance, the travel time, and the current speed of the vehicle; and an overspeed information output unit configured to output an overspeed warning message to warn the driver of the overspeed when it is determined that the current speed of the vehicle will exceed the speed limit.