KR19980015235A - Screen display method of traffic information system for vehicles - Google Patents

Abstract

The present invention relates to a method of displaying a screen of a traffic information system for a vehicle. When a driver selects a display mode of a map, the microprocessor causes the driver to input the place name of the place of departure and the destination, The current position of the vehicle is displayed together with the destination mark and the current position mark of the vehicle through the GPS receiver, the geomagnetism sensor, the gyro sensor, the speed sensor, and the brake sensors while reading the information corresponding to the map of the vehicle from the CD-ROM , When the driver selects the accumulation level of the map, the information of the accumulation map corresponding to the enlargement or reduction level of the region including the destination is read according to the driver's selection and displayed in an enlarged or reduced state, By displaying the information of the guide, While recognizing exactly the direction it was heading to safe driving.

Description

Screen display method of traffic information system for vehicles

The present invention relates to a screen display method in a vehicle traffic guidance system capable of setting a destination and a route and enabling a screen of enlargement and reduction oblique viewing, Even if the magnification of the included map is arbitrarily selected, the information of the corresponding map is read out from the accumulated information of various levels so that the driver does not inconvenience to view the map, And more particularly, to a screen display method of a traffic information system for a vehicle.

Nowadays, due to the increase in the number of vehicles, many people go to their destination by driving their own cars, and when they do not operate the vehicle quickly and accurately towards the destination they want to visit by complicated roads, The disturbing phenomenon frequently occurred.

In a complicated city, it is difficult for the driver to know the route to his / her destination precisely so that it is difficult to visit the destination, and therefore, the overall operation of the vehicle is delayed.

It is a disadvantage that the passing passengers have to know the route to the destination where they want to ask for directions or to spread the map to the destination, but they are troublesome to the driver and damage to other vehicles coming from behind.

Therefore, the data of each map is subdivided into CD-ROM (Compact Disk-Read Only Memory), and the current vehicle which is verified by using GPS (Global Positioning System) receiver using gyro sensor, geomagnetic sensor, Was used to match the data of the map to make it easy to search for roads and route selection.

However, the above-described vehicle navigation system includes a CD-ROM driver, a CD-ROM map program, and a GPS receiver. However, if the magnification of the map is differently selected according to the distance between the current position of the vehicle and the destination, a single reference map (for example, (Usually using a 1 / 20,000 accumulation map) is enlarged or reduced, there is a disadvantage that the displayed map can not be read accurately and quickly through a small liquid crystal display unit mounted on the vehicle.

Accordingly, even when the magnification of the map including the destination selected by the driver who drives the vehicle and the current position of the vehicle is arbitrarily selected, the map information of the accumulation is displayed to make it difficult to view the map of the liquid crystal display, The present invention provides a screen display method of a traffic guidance system for a vehicle that allows a driver to accurately recognize a traveling direction of a vehicle.

In order to accomplish the above object, the present invention provides a traffic information system for a vehicle, which recognizes traffic information in a microprocessor,

Selecting a display mode of the map through the selection key of the key input unit by the driver,

The microprocessor receiving the input signal displays the starting position and the destination position of the vehicle through the monitor, so that the driver inputs the place name of the starting point and the destination through the up / down key and the input key,

Reading from the CD-ROM information corresponding to a map of a reference level including a destination to which the driver intends to go,

Checking the current position of the vehicle through a GPS receiver, a geomagnetic sensor, a gyro sensor, a speed sensor and brake sensors,

A step of displaying a destination mark and a current position mark of the vehicle on the monitor and a driver reading information of the accumulation map corresponding to the enlargement or reduction level of the region including the destination according to the driver's selection, And displaying the image in a magnified or reduced state through the liquid crystal display unit, thereby enabling the driver to accurately recognize the traveling direction toward a desired destination, thereby enabling safe driving.

FIG. 1 is a block diagram schematically showing the overall configuration of the present invention.

2 is a flow chart illustrating an operation process of the present invention.

Description of the Related Art

1: Key input unit 2: Microprocessor

5: CD-ROM driver 6: CD-ROM driver

7: map data driver 8: liquid crystal display

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

In addition to the keys used by the driver to operate the vehicle, a selection key SEL, an up / down key U / D, an input key IN, a position selection joystick JOY, an enlargement selection key EX, A key input unit 1 for inputting an option of the driver through an input device RE,

A microprocessor 2 for controlling the internal operation by a method and order of control stored in the internal program memory 3 when receiving the option of the driver through the key input unit 1,

A memory 4 for temporarily storing and outputting information according to the operation under the control of the microprocessor 2,

Under the control of the microprocessor 2, the map data stored in the CD-ROM 6 is stored in a 1 / 10,000 accumulation map, a 1 / 20,000 accumulation map, a 1 / 50,000 accumulation map, a 1 / A CD-ROM driver 5 for selectively reading and outputting map information,

A map including a route to a destination in accordance with the map data read out from the CD-ROM 6 and a major place name are displayed on the liquid crystal display unit 8 by a data signal selected and outputted by the microprocessor 2 A map data drive unit 7,

A sensor unit 9 for transmitting the operating state of the vehicle to the microprocessor 2 through a geomagnetic sensor, a gyro sensor GYRO, a speed sensor SPEED and a brake sensor BREAK,

A GPS (Global Positioning System) receiver 10 for receiving the propagation of information on the road condition and the running direction of the vehicle through the antenna 11 from the satellite,

A CD-ROM audio 12 for outputting data of voice guidance according to the progress of the vehicle under the control of the microprocessor 2,

Receives audio signals output from the CD-ROM audio 12, receives audio signals from other audio equipment of the vehicle, selectively outputs the audio signals under the control of the microprocessor 2, And a function controller 13 for allowing the user to listen to the sound through the speaker 15 after being sounded.

The screen display method of the vehicle traffic guidance system of the present invention configured as described above allows the driver to select the display mode of the map while recognizing whether the driver has turned on the selection key SEL of the key input unit 1 (Step 21). If the driver selects the display mode, the input microprocessor 2 displays the start position and the destination of the vehicle through the liquid crystal display unit 8 (step 22).

The microprocessor 2 sequentially displays the names of the origin and destination in the liquid crystal display unit 8 through the map data driving unit 7 in accordance with the state in which the driver presses the up / down key U / D of the key input unit 1 (Step 23). After the driver selects the current starting point and the desired destination, the input key IN is input (step 24).

When the driver selects and inputs the place name of the place of departure and the place of destination through the up / down key U / D and the input key IN of the key input unit 1, the microprocessor 2 recognizing the place name (Step 25), the type of the road to be used by the driver is selected by the up / down key (U / D) (Step 26) and selects it through the input key IN (step 27).

The microprocessor 2 recognizes the destination and the type of the road selected by the driver. In the microprocessor 2, the 1 / 20,000 accumulation level, which is the reference map of the area to be traveled when the destination to travel in the CD- (Step 28), and outputs the corresponding data signal, clock signal and strobe signal to the map data drive section 7 and displays it on the liquid crystal display section 8 Step 29).

While the map display is being performed, the driver confirms whether the enlargement selection key EX has been turned on by selecting the enlargement level (step 30). If the driver selects the high level map of the area including the desired terrain The map data of the 1 / 10,000 accumulation level is read through the CD-ROM driver 5 (step 31), and the corresponding data signal, clock signal and strobe signal are output to the map data driving unit 7, (Step 32).

Then, the driver confirms whether or not the reduction level selection key RE is turned on to select the reduction level (step 33), and the map of the 1 / 50,000 accumulation level which is the low level map of the area including the desired terrain according to the driver's choice Information of 1 / 100,000 accumulation level is read through the CD-ROM driver 5 (step 34), and the corresponding data signal, clock signal, and strobe signal are output to the map data driver 7, (Step 35).

While displaying the map data, information on the state of the road or the traveling direction of the vehicle is received from the satellite through the GPS receiver 10 through the antenna 11 (step 36), and the position of the current vehicle is displayed on the map (Step 37) and displays the destination mark so that the driver can check the traveling state of the vehicle currently in progress (step 38).

In step 39, it is determined whether a predetermined time has elapsed during the display of the map. If a predetermined time has elapsed, the display is stopped (step 40).

Therefore, when the driver selects the display mode of the map, the information corresponding to the map of the reference level including the destination to which the driver intends to go is read from the CD-ROM and displayed , The present position of the vehicle is confirmed through the GPS receiver, the geomagnetism sensor, the gyro sensor, the speed sensor and the brake sensors, and the destination mark and the current position mark of the vehicle are displayed on the liquid crystal display. When the driver selects the accumulation level of the map, The information of the accumulation map corresponding to the enlargement or reduction level of the region including the destination is read out and displayed through the liquid crystal display unit in the enlarged or reduced state so that the driver can select the traveling direction toward the desired destination I was able to do safe operation while recognizing it correctly. .

Claims (2)

A method of displaying a map of a traffic information system for a vehicle, the method comprising the steps of: allowing a driver to select a start position and a destination of a vehicle in order to receive a traffic information and selecting a type of road to be used; Reading the map information of the reference accumulation level of the area on the CD-ROM and displaying it on the liquid crystal display part after recognizing the type of the destination and the road selected by the driver, When the driver turns on the enlargement selection key (EX) of the map and selects the enlargement level, reading and displaying the map information of the area having the higher accumulation level of the area including the desired terrain, When the driver turns on the down-selection key (RE) of the map to select the reduction level, the map information is read out and displayed on the lower accumulation level of the area including the desired topography. How to display. 2. The information recording medium according to claim 1, further comprising map information of a 1 / 20,000 accumulation level as a reference map on the CD-ROM, map information of a 1 / 10,000 accumulation level as a high-level map, The map information of 1 / 100,000 accumulation level is stored and selectively displayed according to the selection of the enlargement or reduction of the driver.