JPH0511700A - On-vehicle navigation system - Google Patents

Abstract

PURPOSE:To enable a driver to recognize traffic regulations of a road where the vehicle travels in real time and to prevent a traffic offense and also prevent an automobile accident. CONSTITUTION:A radio wave sent out of a position beacon is received by a radio device 16 and a sensor 10 detects the direction, etc., of the vehicle to obtain position information on the vehicle; and road traffic regulation information corresponding to the position information is read out of a CD-ROM 11 by a CD-ROM driver 12 and displayed on a display 13. Further, a traffic offense decision part 20 compares the position information with the road traffic regulation information and generates an alarm through the display 13, an alarm lamp 21, and a speaker 22 if the vehicle violates the traffic regulations.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-mounted navigation system for displaying the position of a vehicle, and more particularly to a vehicle-mounted navigation system for notifying a driver of road traffic information such as traffic rules. is there.

[0002]

2. Description of the Related Art Conventionally, as a technique of this kind of field, Oki Electric R & D No. 147, Vol. 57 No. 3P37-40
Some are disclosed in the "vehicle navigation system". As shown in FIG. 3, such a conventional vehicle-mounted navigation system includes a sensor 10 for calculating a traveling distance and a traveling direction of a vehicle, a CD-ROM 11 for storing map data,
A CD-ROM drive 12 for reading a CD-ROM, a display 13 for displaying a map and the position of the vehicle, a keyboard 14 for correcting the vehicle position, a vehicle position calculation and an image data of the map data. Control unit 1 for conversion into data
5, wireless device 16 connected to control unit 15, antenna 1
It consists of 7.

The sensor 10 is used by the vehicle itself to detect the position of the vehicle by a mileage sensor or an azimuth sensor. The CD-ROM 11 stores road data and background data in a predetermined format. The control unit 15 calculates the position information of the vehicle based on the traveling distance, speed, direction, etc. of the vehicle obtained by the sensor 10,
A control signal for reading out predetermined map data in the ROM 11 is output to the CD-ROM drive 12, the read map data is converted into image data, and the display 13 together with the vehicle position information is displayed. Output to. The wireless device 16 also receives a position beam (not shown) via the antenna 17.
It receives the radio wave emitted from the controller, demodulates the radio wave and sends it to the control unit 15 as a vehicle position signal.

[0004]

However, in the above-mentioned conventional vehicle-mounted navigation system, the current position of the vehicle is detected and displayed, and the vehicle travels such as "speed limit". There is a problem in that the road traffic rules regarding the roads being operated cannot be recognized and the road traffic rules cannot be notified or warned in accordance with the traveling status of the vehicle, and traffic violations cannot be prevented in advance.

The present invention has been made in view of the above-mentioned circumstances, and the driver can know the traffic rules of the road on which the vehicle is traveling in real time, prevent traffic violations, and cause a car accident. It is an object of the present invention to provide a vehicle-mounted navigation system that prevents the above-mentioned problems.

[0006]

In order to solve the above problems, the present invention provides a vehicle position detecting means for detecting the position of a vehicle, a map data storage means for storing map data, and a map data storage means. A vehicle equipped with a control means for reading the map data stored in the data storage means, performing a predetermined process, and then displaying the map data together with the vehicle position data on the display means. The navigation system is characterized in that the map data storage means stores road traffic rule information relating to traffic rules, and the control means displays the road traffic rule information on the display means.

Further, the vehicle position information obtained by the vehicle position detecting means and the road traffic rule information are compared with each other to determine whether or not the vehicle has a traffic violation, and And a warning means for issuing a warning to the driver, and when the vehicle is in traffic violation, the display means and / or the warning means are informed of the traffic violation.

[0008]

According to the present invention, the on-vehicle navigation system is constructed as described above, and the road traffic regulation information on the road on which the vehicle is traveling is displayed. Therefore, the traffic violation can be prevented.

Further, the position information of the vehicle is compared with the road traffic regulation information of the road on which the vehicle is running or stopped, and it is judged whether the vehicle is in traffic violation or not. Alerts the driver of the traffic violation immediately.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a vehicle-mounted navigation system according to the present invention. In the figure, 10 is a sensor, 11 is a CD-ROM, 12 is a CD-ROM driver, 13 is a display, 14 is a keyboard, 15 is a control unit, 16 is a wireless device, 17 is an antenna, and 20 is traffic. A violation determination unit, 21 is a warning light, and 22 is a speaker. The same parts as those of the conventional vehicle-mounted navigation system shown in FIG. 3 are designated by the same reference numerals, and the description thereof will be omitted. In addition to the map data, the CD-ROM 12 also stores traffic regulation information.

FIG. 2 is a diagram showing a processing flow of traffic rule discrimination according to the present invention. Hereinafter, the traffic rule determination process will be described with reference to FIGS. 1 and 2. In addition, the traffic rules are displayed on the display 13 as to whether or not the traffic violation detection process is performed.
It is preset by the keyboard 14 whether or not it is necessary to display it on the screen, or whether it is necessary to notify by voice.

First, an external transmitter (not shown) transmits a radio wave (step ST200), and the radio device 16 detects the radio wave via the antenna 17 (step ST20).
1). The external transmission device (not shown) is for detecting the current position of the traveling vehicle, and a position beacon or the like used in a satellite or a road-to-vehicle system is used.

The received radio wave is demodulated by the radio device 16 and then output to the control unit 15 as a position signal.
The control unit 15 calculates the position information of the vehicle based on the position signal and the traveling distance, speed, direction, etc. of the vehicle detected by the sensor 10 (step ST20).
2). Then, the control unit 15 reads the map data corresponding to the position information from the CD-ROM 11 and instructs the CD-ROM driver 12 to obtain the traffic regulation information corresponding to the position information from the CD-ROM 11. (Step ST203).

The traffic regulation information is roughly classified into the following two types. Rule information at the current position of the vehicle (speed limit, no parking area, etc.) Notice information, that is, rule information at the position where the vehicle will reach from now (such as traffic lights, level crossings, right / left turn prohibition, falling object caution, etc.).

After acquiring the traffic regulation information, the control unit 15
It is determined whether or not traffic violation detection processing is required is set (step ST204). When it is necessary to detect the traffic violation, the traffic violation discrimination unit 20 determines in step ST20.
Position information of the vehicle obtained in 2 and step ST2
Based on the traffic rule information obtained in 03, it is determined whether or not the vehicle is currently committing a traffic violation (step ST205). When it is determined in step ST205 that there is a violation, the control unit 15 issues a warning signal to the warning light 21, and the warning light 21 is turned on to notify the driver that there is a traffic violation. (Step ST2
06).

Thereafter, the traffic regulation information is displayed on the display 13
It is determined whether or not it is set to be displayed on the display 13 (step ST207), and if it is necessary, the rule information and the notice information at the traveling position of the vehicle are displayed on the display 13 (step ST207). ST20
8). Further, it is determined whether or not it is necessary to output by voice (step ST209),
If necessary, a voice signal is output to the speaker 22 and a voice warning is issued (step ST210).

[0017]

As described above, according to the present invention, the following excellent effects can be obtained.

Since the road traffic regulation information regarding the road on which the vehicle is running or stopped is displayed, it is possible to prevent a traffic violation.

The position information of the vehicle and the road traffic regulation information of the road on which the vehicle is running or stopped are compared to determine whether the vehicle is in traffic violation. If the vehicle is in traffic violation, a warning is issued. Therefore, the driver can be immediately notified of the traffic violation. Therefore, it is possible to prevent traffic accidents.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a vehicle-mounted navigation system according to the present invention.

FIG. 2 is a diagram showing a processing flow of traffic rule determination according to the present invention.

FIG. 3 is a block diagram showing a configuration of a conventional vehicle-mounted navigation system.

[Explanation of symbols]

10 sensors 11 CD-ROM 12 CD-ROM driver 13 Display 14 key board 15 Control unit 16 wireless devices 17 antenna 20 Traffic Violation Discrimination Department 21 Warning light 22 Speaker

Claims (2)

[Claims] 1. A vehicle position detecting means for detecting the position of a vehicle, a map data storage means for storing map data, and map data stored in the map data storage means. In a navigation system for a vehicle, which comprises a control means for displaying map data together with the position data of the vehicle on the display means after reading and performing a predetermined process, the map data storage The means stores the road traffic regulation information related to the traffic regulation, and the control means displays the road traffic regulation information on the display means. 2. The vehicle-mounted navigation system according to claim 1, wherein the vehicle position information obtained by the vehicle position detecting means is compared with the road traffic regulation information, and the vehicle has a traffic violation. A traffic violation determining unit that determines whether or not the vehicle is in a traffic violation, and a warning unit that issues a warning to the driver of the vehicle, and when the vehicle is in a traffic violation, the display unit and / or the An in-vehicle navigation system characterized by notifying a warning means that a traffic violation has occurred.