JPH05298596A - Vehicle traveling service system - Google Patents

Abstract

PURPOSE:To reduce the burden of a driver, to smooth the flow of traffic and to secure safety by displaying on a screen a route guidance at a terminal equipment mounted within a vehicle traveling on a road and reporting the route guidance to the driver. CONSTITUTION:When the vehicle 10 approaches each intersection, the terminal equipment 11 detects a carrier from leakage coaxial cables 22a to 22e and transmits destination information with its own subscription register number. A direction guidance equipment 20 adds its own intersection number to the piece of reception signal and transmits it to CPU 40. CPU 40 which collects vehicle traveling data all over the country selects an optimum route and sends it to the terminal equipment 11 by way of the corresponding direction guidance equipment 20 as route indicating information so as to display it on the screen.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile traveling service system, and more particularly to a system for providing route guidance to an automobile traveling on a road.

[0002]

2. Description of the Related Art Conventionally, route guidance during traveling of a vehicle has been limited to the indication of the direction of an intersection on a road sign, the distance to each point, and the transmission of congestion information by radio broadcasting.

[0003]

In the above-mentioned conventional method for transmitting route guidance information, there is a risk of overlooking the road sign board, especially when driving on the road for the first time or when a person who is ignorant of the local road network drives. In addition, there was a problem that attention could be paid to the road sign board, which could cause an unexpected traffic accident or a traffic stagnation.

[0004]

An automatic driving service system according to the present invention is mounted on an automobile and is transmitted wirelessly by adding a pre-assigned own registration number to destination information input when a driving service is requested. , A terminal device that wirelessly receives the route instruction information addressed to itself and a terminal device that is provided at each main intersection of the road and that wirelessly transmits and receives to and from the terminal device mounted on the vehicle, and receives from the terminal device. A direction sign device that adds a pre-assigned intersection number to the information and sends it to a transmission line, and transmits the route instruction information received from the transmission line to a corresponding terminal device mounted on the vehicle, and the transmission. It is connected to each of the direction marking devices via a road, collects and analyzes vehicle driving data from these direction marking devices, and requests the driving service. It determines automobile optimum route becomes, and a central processing unit for transmitting, as the path designation information to said corresponding direction indicator device.

Further, in the above-mentioned structure, a structure in which a transmitting / receiving means for wirelessly transmitting / receiving the direction indicator device to / from the terminal device mounted on the automobile is provided for each route of the intersection and includes a leaky coaxial cable for transmitting and transmitting radio waves, The terminal device mounted on the automobile has a speaker for outputting a voice, and wirelessly outputs screen display information and voice information of road conditions to the terminal device at a point on the road requiring attention to the driver of the automobile. It is also possible to adopt a configuration including a road marking device.

[0006]

The present invention will be described below with reference to the drawings.

FIG. 1 is a system configuration diagram of an embodiment of the present invention. Major intersections A of national roads (dotted lines in the figure)
Each of B and C is given an individual reference number (intersection number) for each ward, city, and town of the prefecture, and the directional marker 20 and the leaky coaxial cable 22 (22a ... 22e), a wireless transceiver 21 for wirelessly transmitting and receiving data is provided. Each direction marking device 20 is connected to a central processing unit 40 via transmission devices 30 and 31. An automobile 10 that is going to receive a traveling service is provided with a terminal device 11 that wirelessly transmits and receives data via an antenna 12 to output sound and voice and display a chart.
A unique number (running service subscription registration number) as shown in Table 1 is given to and is set.

[0008]

[Table 1]

A curve marking device 50, a speed limit marking device 51, and a lane change marking device 52 are provided at points D, E, and F on the road, and these road marking devices have wireless transmitters. Then, each emits a weak radio wave of its own frequency.

Next, the operation will be described with reference to the communication system diagram shown in FIG.

When the automobile 10 wants to receive a traveling service, the municipality data of each prefecture such as the departure place and the destination as shown in Table 2 is input to the terminal device 11 mounted therein.

[0012]

[Table 2]

Next, when the automobile 10 enters the area of the intersection A where the traveling service is provided, the carrier 70 radiated from the leaky coaxial cable 22a by the direction marking device 20 and the wireless transceiver 21 is transmitted through the antenna 12 to the terminal. The device 11 detects and transmits from the terminal device 11 the traveling service subscription number and information 71 such as the place of departure and the destination to the direction marker device 20 by a route opposite to the above. In order to confirm that these pieces of information are correctly transmitted, the direction indicator device 20 and the terminal device 11 communicate the ACK 72 and the EOT 73, respectively. At the same time, the direction indicator device 20 receives the received information 71.
The information 74 to which the own intersection number shown in Table 3 is added is transmitted to the central processing unit 40 via the transmission devices 30 and 31,
The vehicle 10 approaching the relevant intersection A informs that there is a driving service provision application.

[0014]

[Table 3]

The central processing unit 40 collects road congestion information nationwide, and based on the received information 74, the automobile 10
Selects the most desirable route to reach the destination (including the detour for the congested road), and provides the travel service subscription number, intersection number, intersection pattern and intersection direction indication information 75 as shown in Table 4 of the intersection A. Return to the direction marking device 20.

[0016]

[Table 4]

The direction marking device 20 at the intersection A has the above information 7
When receiving 5, the EOT 73 is sent to the central processing unit 40 to indicate that a series of information transmission has been completed, and the traveling service subscription registration number, intersection pattern, and intersection direction instruction information 76 are transmitted to the terminal device 11 of the automobile 10. .. The terminal device 11 displays the intersection pattern and its direction instruction on the screen to notify the driver. FIG. 3A shows an example of this screen display, and shows a case of directing to go straight on a four-lane road.

When the vehicle 10 which receives a direction instruction makes currency at an intersection (route Q), the leaky coaxial cable 2 in that direction
The terminal device 11 receives the carrier 70 from 2c, and the terminal device 11 transmits the traveling service subscription registration number information 77 again to the direction marking device 20 at the intersection A. Direction marking device 20
The vehicle 10 which transmits the traveling service subscription registration number, the intersection number, and the direction information 78 to the central processing unit 40.
To track the whereabouts of.

By performing the same processing as above at the intersections B and C, the automobile 10 can travel to the destination while selecting an optimum road. If you take a normal route S at intersection B and get caught in traffic,
The detour route R is designated. The screen display of the terminal device 11 in this case is as shown in FIGS. 3B and 3C at the intersection B (route R) and the intersection C (route T), respectively.

When the vehicle 10 passes by the curve marking device 50, the speed limit marking device 51, or the lane change marking device 52 (points D, E, F), radio waves emitted from each of them are passed through the antenna 12. 3D, 3E, and 3F are displayed by the terminal device 11, respectively, and the sound (beep, beep) that calls attention by the built-in speaker is displayed. "Curve attention",
Provides voice services such as "decelerate to speed 40" and "change lane to the left."

[0021]

As described above, according to the present invention, the traveling vehicle knows the traffic amount of the road by automatically sending the information such as the traveling point and the destination of the traveling vehicle to the central processing unit, and the traveling vehicle. It is possible to show an appropriate route (detour guidance) to the terminal device, and the driver can drive to the destination with peace of mind even on the first road route without guidance. In addition, the central processing unit can arbitrarily extract the national road traffic data, and can centrally manage the traveling of roads and vehicles.

Further, by displaying the road traffic sign on the screen and providing voice guidance to the terminal device in the automobile, it is possible to contribute to ensuring the smoothness of traffic flow and ensuring safety.

[Brief description of drawings]

FIG. 1 is a system configuration diagram of an embodiment of the present invention.

FIG. 2 is a communication system diagram of an embodiment of the present invention.

3A to 3F are diagrams showing examples of screen display in the terminal device of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Car 11 Terminal device 12 Antenna 20 Direction marking device 21 Radio transmitter / receiver 22 (22a-22e) Leakage coaxial cable 30,31 Transmission device 41 Central processing unit 50 Curve marking device 51 Speed limit marking device 52 Oblique line marking device

Claims (3)

[Claims] 1. A self-registered registration number, which is pre-assigned to destination information input when a travel service is requested, is mounted on an automobile and transmitted by radio, and the screen displays the route instruction information for the self received by radio. It has a terminal device to be displayed and a transmission / reception means provided by each main intersection on the road and wirelessly connected to the vehicle-mounted terminal device, and adds its own intersection number assigned in advance to the information received from the terminal device. Then sent to the transmission path, the direction indicator device for transmitting the route instruction information received from the transmission path to the corresponding terminal device mounted on the vehicle, and connected to each of the direction indicator devices via the transmission path, The vehicle traveling data from these direction marking devices are collected and analyzed to determine the optimum route of the vehicle which has made the traveling service request, and the corresponding route Automobile travel service system characterized by comprising a central processing unit for transmitting, as the path instruction information to the labeling device. 2. The wireless transmission / reception means of the directional sign device to / from the terminal device mounted on the automobile includes a leaky coaxial cable which is provided for each route of the intersection and transmits and transmits radio waves. Item 1. An automobile driving service system according to Item 1. 3. A terminal device mounted on the vehicle has a speaker for outputting a voice, and wirelessly displays screen display information of road conditions to the terminal device at a point on the road where attention is required to the driver of the vehicle. The vehicle traveling service system according to claim 1 or 2, further comprising a road sign device that outputs voice information.