US 2009/0157249 A1 · SECTION OVERSPEED WARNING APPARATUS AND SYSTEM

Abstract

In a section overspeed regulating method of determining whether a vehicle overspeeds on the basis of whether an average speed of the vehicle in a regulation section exceeds a speed limit, the section overspeed warning apparatus and system determine whether the current speed of the vehicle traveling on a regulation section exceeds the speed limit, and warn a driver. Whether the speed of the vehicle traveling on the regulation section exceeds the speed limit of the section is determined depending on a travel distance from a starting position of the regulation section to a current position of the vehicle, a travel time taken for the vehicle to travel by the travel distance, and a remaining distance from the current position of the vehicle to an end position of the regulation section. If it is determined that the current position of the vehicle will exceed the speed limit of the section, overspeed warning messages are output in the form of text, voice, or warning sound. Further, the section overspeed warning apparatus and system recommend the maximum speed, which allows the vehicle not to violate the speed limit of the section at the current position, to a driver as a recommended speed.

Claims14

Dependent claims

A section overspeed warning apparatus that warns a driver of vehicle overspeed 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 that detects a travel distance from the regulation start position to a current position of a vehicle and a remaining distance from the current position of the vehicle to the regulation end position;
a time detecting unit that detects 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 that detects current speed of the vehicle;
a speed determining unit for determining whether the current speed of the vehicle will exceed a speed limit of the overspeed regulation section, by using the detected travel distance, remaining distance, and travel time;
and
an overspeed information output unit that outputs an overspeed warning message when it is determined that the current speed of the vehicle will exceed the speed limit.

3 more elements

A section overspeed warning system that warns a driver of vehicle overspeed in an overspeed regulation section having a regulation start position and a regulation end position, the section overspeed warning system comprising:

a navigation device that supplies information about the regulation start position, the regulation end position, and a current position of a vehicle;
and
a section overspeed warning apparatus for detecting whether the current speed of the vehicle will exceed a speed limit of the overspeed regulation section by using the information supplied from the navigation device, and informing the driver of the detection result,
wherein the section overspeed warning apparatus includes:
an information detecting unit that detects a travel distance from the regulation start position to the current position of the vehicle, a remaining distance from the current position of the vehicle to the regulation end position, and a travel time taken for the vehicle to travel from the regulation start position to the current position of the vehicle;
a speed determining unit that determines whether the current speed of the vehicle will exceed the speed limit, by using the detected travel distance, remaining distance, and travel time;
and
an overspeed information output unit that outputs an overspeed warning message when it is determined that the current speed of the vehicle will exceed the speed limit.

5 more elements

Dependencies are inferred from the claim text.

Section overspeed warning apparatus and system

Life of this patent

Section overspeed warning apparatus and system

Life of this patent

Abstract

Claims14