JPH05312582A - Portable traffic guiding device - Google Patents

Abstract

PURPOSE:To enable to freely watch a map and traffic information anywhere. CONSTITUTION:An antenna 1 and teleterminal receiving section 2 receive traffic information and traffic information registering section 4 registers the information in a traffic information memory 3 after classification. On the other hand, a map and traffic information display controller 9 reads desired map data from a CD-ROM 5 by controlling a CD-ROM driver 6 in accordance with map displaying operation from an operating section 8 and displays a map picture prepared based on the map data on an LCD display 7. The controller 9 reads desired traffic information from the memory 3 in accordance with traffic information displaying operation from the section 8 and displays a traffic information picture prepared based on the traffic information on the display 7 after synthesizing the traffic information picture with the map picture.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable traffic guide device, and more particularly to a traffic information image on a map image based on traffic information received from the outside and map data read from a map data recording medium such as a CD-ROM. The present invention relates to a portable traffic guidance device that synthesizes and displays on a screen.

[0002]

2. Description of the Related Art There is a vehicle-mounted navigator that guides a vehicle so that a driver can easily reach a desired destination. In this in-vehicle navigator, the position of the vehicle is detected using the direction sensor and the distance sensor, the map data around the vehicle position is read from the CD-ROM, the map image is drawn in the V-RAM, and the vehicle position is displayed in the map image. The marks are overlaid and drawn, and the image in the V-RAM is converted into a video signal and output to the CRT display and displayed on the screen. Then, as the current position changes due to the movement of the vehicle, the vehicle position mark on the screen is moved, or the vehicle position mark is fixed at the center of the screen and the map is scrolled to constantly display the map around the vehicle position. Information is available at a glance.

On the other hand, various kinds of traffic information such as traffic jam information on highways and main roads, traffic regulation information such as road closures and opening / closing of highway gates, parking space availability information, road construction information, etc. are real-timed on vehicles. Has developed a vehicle traffic information communication system. In this system, the latest traffic information is transmitted from the traffic control center through a large number of transmitting antennas arranged in various places at regular time intervals. Therefore, a vehicle equipped with a tele-terminal receiver receives traffic information and outputs it to the in-vehicle navigator. The in-vehicle navigator extracts traffic information near the vehicle position from the received traffic information, and based on this traffic information Draw images and combine them with map images for CRT
By outputting to the display, it becomes possible to display traffic information in addition to the map around the vehicle position.

[0004]

However, in an in-vehicle traffic guidance system provided with such an in-vehicle navigator and teleterminal receiver, each unit of the in-vehicle navigator and teleterminal receiver is fixed to the vehicle and Since the direction sensor and distance sensor are also connected to the navigator, it is extremely difficult to remove it from the vehicle.Before departure, you can look at the map and traffic information in your room, inn, other people's car, etc. I could not examine the route.

In view of the above, it is an object of the present invention to provide a portable traffic guide device that allows users to freely view maps and traffic information anywhere.

[0006]

According to the present invention, there is provided a teleterminal receiving means for receiving traffic information,
Traffic information storage means for storing traffic information, traffic information registration means for registering traffic information received by the teleterminal receiving means in the traffic information storage means, and map data reading means for reading map data from a predetermined map data storage means And a display means for displaying map information and traffic information, an operation means for performing map display operation and traffic information display operation, and a map data reading means for controlling the map data reading means in accordance with the map display operation by the operation means. The desired map data is read and the map image based on the map data is displayed on the display means, or the desired traffic information is read from the traffic information storage means according to the traffic information display operation, and the traffic information image based on the traffic information is mapped. This is achieved by including map / traffic information display control means that is combined with an image and displayed on the display means.

[0007]

According to the present invention, while the traffic information is received and registered in the traffic information storage means, the map data reading means is controlled according to the map display operation to read desired map data from the map data storage means, A map image based on the map data is displayed on the display means, or desired traffic information is read from the traffic information storage means in accordance with the traffic information display operation, and the traffic information image based on the traffic information is synthesized and displayed on the map image. Display by means. As a result, desired map information and traffic information can be obtained with one independent device, and since connection with a direction sensor and a distance sensor is not required, it is possible to carry around freely and if traffic information can be received, You can see the necessary maps and traffic information wherever you want.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an overall configuration diagram of a portable traffic guide device according to an embodiment of the present invention.

In the figure, 1 is an antenna, 2 is a tele-terminal receiving unit which is connected to the antenna and receives traffic information, 3 is a traffic information memory for storing traffic information by type, 4
Is a traffic information registration unit that performs data processing such as error correction every time the traffic information is received by the teleterminal receiving unit 2 and registers the traffic information into the traffic information memory 3 according to the type. The latest traffic information is always stored in the traffic information memory 3.

As the traffic information, the latest information is transmitted from the traffic control center via transmitting antennas in various places at regular time intervals. Specifically, information on traffic congestion on highways and main roads (including information necessary for displaying traffic congestion information such as traffic congestion start position, uphill and downhill traffic, traffic congestion length, etc.) Packet communication of traffic control information such as opening and closing of highway gates, parking lot availability information, road construction information, etc. is categorized.

Reference numeral 5 denotes a CD-ROM storing map data,
6 is a CD-RO that reads map data from a CD-ROM
M driver, 7 is an LCD display that displays a map on the screen together with traffic information as necessary, and 7a is an LC
D controller, 7b is LCD driver, 7c is LCD
It is a panel. Reference numeral 8 has a map search key, a map scroll key, a traffic information selection key, a mode switching key for switching between the map single display mode and the map / traffic information composite display mode, etc., and operation for performing map display operation and traffic information display operation. Part 9 is a map / traffic information display controller,
According to the map display operation on the operation unit 8, the desired map data is read from the CD-ROM 5 and the map image based on the map data is displayed on the LCD display 7, or according to the traffic information display operation on the operation unit 8, the traffic information is displayed. Desired traffic information is read from the information memory 3, and a traffic information image based on the traffic information is combined with a map image and displayed. The map / traffic information display controller 9 and the traffic information memory 3 are
It is configured using a microcomputer.

Reference numeral 9a is a map data buffer memory, 9b is a first V-RAM for storing a map image, and 9c is a CD-ROM driver 6 which is controlled according to a map display operation such as a map search operation or a map scroll operation on the operation unit 8. Then, the desired map data is read from the CD-ROM 5 and stored in the map data buffer memory 9a, and based on the map data stored in the map data buffer memory 9a, the map image of the desired area is displayed on the first V- A map image drawing unit for drawing in the RAM 9b, 9d a second V-RAM for storing traffic information images, and 9e for desired classification according to traffic information display operations such as traffic information selection operation and mode switching operation in the operation unit 8. The traffic information entering the desired area is read from the traffic information memory 3, and the traffic information image is read based on the traffic information in the second VR. Traffic information image drawing unit that draws the M9c, according 9f mode switching operation, LCD panel 7 and outputs the map image read from the 1V-RAM 9b to the LCD Display 7 when the map alone display mode
In the map / traffic information combination display mode, the map is displayed on c, and the map information read from the first V-RAM 9b is combined with the traffic information image read from the second V-RAM 9d and output to the LCD display 7. Panel 7c
It is a synthesis unit that displays traffic information together with a map on the top.

FIG. 2 is a map / traffic information display controller 9
FIG. 3 is an explanatory diagram showing an example of a combined screen of a map and traffic information, which will be described below with reference to this figure.

When the user takes the portable traffic guidance device shown in FIG. 1 to his / her favorite place such as his / her room and turns on the power switch, the map / traffic information display controller 9 performs a predetermined initial setting process (step 101), synthesis unit 9
In addition, the map image drawing unit 9c controls the CD-ROM driver 6 and the CD-ROM
The menu screen data for map selection is read from 5 and stored in the map data buffer 9a. Then, the menu image is displayed on the first VR based on the read menu screen data.
Draw on AM9b. The menu image of the first V-RAM 9b is output to the LCD display 7 via the combining unit 9f and displayed on the screen.

The menu screen data may be stored in a predetermined internal memory, read from the internal memory when the power is turned on, and the menu image may be drawn on the first V-RAM 9b.

When a map search key or a map scroll key of the operation unit 8 is operated to select a map having a desired scale and area, the map image drawing unit 9c controls the CD-ROM driver 6 to request from the CD-ROM 5. Of the map data is read out and stored in the map data buffer 9a, and a map image is drawn in the first V-RAM 9b. First V-RAM
The map image of 9b is output to the LCD display 7 via the combining unit 9f and displayed on the screen (step 102,
103).

As a result, the user can see a map of an arbitrary area such as a map around the current whereabouts.

On the other hand, after the power switch is turned on, the teleterminal receiving unit 2 receives traffic information transmitted by packet communication from a nearby transmitting antenna and outputs it to the traffic information registration unit 4. When the traffic information registration unit 4 receives the traffic information from the teleterminal receiving unit 2, the traffic information registration unit 4 performs data processing such as error correction and registers the traffic information in the traffic information memory 3 according to type. Since the traffic information is updated to the latest at fixed time intervals, the latest information is always stored in the traffic information memory 3.

Assuming that the map image around the current whereabouts is displayed on the screen, when the user wants to see the traffic jam information, he or she presses the mode switching key of the operation unit 8 to combine the map / traffic information display mode. After switching to
When the traffic information selection key is used to select the traffic jam information, the synthesis unit 9f switches to the map / traffic information synthesis display mode (steps 104 and 105), and the traffic information image drawing unit 9e.
Reads out the traffic jam information entering the map display area of the screen from the traffic information stored in the traffic information memory 3 and draws the traffic jam information image on the second V-RAM 9d. Second V-RA
The traffic information image of M9d is generated by the synthesizing unit 9f in the first V-RAM 9
LCD display 7 after being combined with the map image of b
And is displayed on the screen (step 106, FIG. 3).
reference).

Thus, the user can confirm the current traffic jam situation around the whereabouts on the map, and can easily find the optimum route to the destination.

When it is desired to know other traffic information such as traffic regulation information or road construction information, another type can be selected with the traffic information selection key. At this time, as shown in FIG. 4, a predetermined symbol based on the traffic regulation information and the road construction information is synthesized on the map on the screen, so that it is easy to know where the traffic is regulated or under construction. Since the traffic regulation information and road construction information include character data indicating detailed contents such as regulation time and period, for example, a predetermined key is pressed after the cursor on the screen is aligned with the desired symbol. In this case, detailed character information may be switched and displayed on the screen.

When it is desired to return to the single display state of the map, the mode switching key of the operation unit 8 may be pressed to switch to the single map mode. Then, the synthesizing unit 9f enters the map single display mode, outputs only the map image drawn in the first V-RAM 9b to the LCD display 7, and displays the map on the screen. At this time, the second V-RAM 9d is cleared (steps 108 and 109).

If the portable traffic guide device has a three-power-supply system capable of using any of a dry battery power supply, an AC power supply, and a vehicle battery power supply, it can be used in one's room or inn, in one's car or person's car, or outdoors. Any of the above can be used.

[0024]

As described above, according to the present invention, the teleterminal receiving means for receiving the traffic information, the traffic information storing means for storing the traffic information, and the traffic information received by the teleterminal receiving means are stored in the traffic information storing means. Traffic information registration means to be registered, map data reading means for reading map data from a predetermined map data recording medium, display means for displaying map information and traffic information, and operation means for performing map display operation and traffic information display operation. , According to the map display operation on the operation means,
The desired traffic information is read from the traffic information storage means by controlling the map data reading means to read the desired map data from the map data recording medium and displaying the map image based on the map data on the display means or according to the traffic information display operation. Is provided with map / traffic information display control means for synthesizing a traffic information image based on the traffic information on a map image and displaying it on the display means, while receiving the traffic information and registering it in the traffic information storage means while displaying the map. According to the operation, the map data reading means is controlled to read desired map data from the map data recording medium, and a map image based on the map data is displayed on the display means, or according to the traffic information display operation, the traffic information storage means. Read desired traffic information from the traffic information, combine the traffic information image based on the traffic information with the map image, and display it on the display means. Since it is configured, it is possible to obtain desired map information and traffic information with one independent device, and it is not necessary to connect with a direction sensor and a distance sensor, so it is possible to carry freely and if traffic information can be received. , You can see the information you need, when and where you want.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of a portable traffic guide device according to an embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the map / traffic information display controller of FIG.

3 is an explanatory diagram showing a display example by the portable traffic guidance device of FIG. 1. FIG.

4 is an explanatory diagram showing a display example by the portable traffic guidance device of FIG. 1. FIG.

[Explanation of symbols]

 1 Antenna 2 Teleterminal Receiver 3 Traffic Information Memory 4 Traffic Information Registration Unit 5 CD-ROM 6 CD-ROM Driver 7 LCD Display 8 Operation Unit 9 Map / Traffic Information Display Controller

Claims (1)

[Claims] 1. A teleterminal receiving means for receiving traffic information, a traffic information storage means for storing traffic information, and a traffic information registration means for registering the traffic information received by the teleterminal receiving means in the traffic information storage means. , Map data reading means for reading map data from a predetermined map data storage means, display means for displaying map information and traffic information, operation means for performing map display operation and traffic information display operation, and map display by operation means In accordance with the operation, the map data reading means is controlled to read desired map data from the map data storage means, and a map image based on the map data is displayed on the display means, or according to the traffic information display operation, desired from the traffic information storage means. Of the traffic information based on the traffic information, and the traffic information image based on the traffic information is combined with the map image and displayed on the display means. A portable traffic guidance device comprising: communication information display control means.