KR20090069671A - Nanigation device and method of providing map using the same - Google Patents

Abstract

A navigation device and a method of providing a map using the same are provided to allow map update even when a vehicle gets out of from a road course by communicating with a server. A navigation device and a method of providing a map using the same is comprised of the steps: a map data are displayed(S220); the location of a vehicle is transmitted to a server when the vehicle gets out of the road course of displayed map data; and the navigation device receives map data corresponding to the potion data and displays it. The location includes the latitude and longitude corresponding to a coordinates of vehicle current location.

Description

Navigation Device and Method of Providing Map Using the Same}

The present invention relates to a navigation device and a method for providing map information using the same.

In general, a navigation system receives a navigation message transmitted by a GPS (Global Positioning System) satellite to a GPS receiver, and installs a sensor such as a gyroscope and a speed sensor to detect a driving state of the mobile body. By using this, the current position of the moving object being determined is determined, and the determined current position is matched with the map data and displayed together with the map on the screen of the display unit.

Therefore, the users of the moving object can identify the current position of the moving object and the shortest path from the current position to the destination by using the navigation system. In addition, it is possible to efficiently use a given road network by planning and traveling a path for the moving object in advance according to the guidance of the navigation system.

However, when the moving object leaves the road section provided by the navigation system and moves to a new road section not provided by the navigation system, the navigation system notifies the absence of map data and terminates the guidance.

As such, when the moving object leaves the road section provided by the navigation system, there is an inconvenience that the navigation system can no longer be used.

The present invention was created in view of the above situation, and provides a navigation device for providing map information by communicating with a server when a moving object leaves a road section provided by a navigation system, and a method for providing map information using the same. The purpose is.

In addition, an object of the present invention is to provide a navigation device and a method of providing map information using the same, by storing map information provided to update map data to be provided at the next driving of the vehicle.

In order to achieve the above object, a method of providing map information according to the present invention includes a display step of displaying map data and transmitting location information of the vehicle to an external server when the vehicle leaves the road section provided by the displayed map data. And transmitting and receiving map information corresponding to the location information from the server.

The location information may include coordinate information and scale of longitude and latitude at which the vehicle is currently located.

Map information may be satellite or aerial imagery.

The method may further include a storing step of storing map information received from the server, and updated map data including map information stored in the storing step at the next driving of the vehicle.

The method may further include extracting the added information by comparing the map information received from the server with the displayed map data, and updating the map data.

In the transmitting step, the location information of the vehicle may be transmitted to the server until the vehicle re-enters the road section provided by the map data.

In addition, when the vehicle re-enters the road section provided by the map data, the method may further include re-searching and displaying the map data corresponding thereto.

In another aspect, a navigation apparatus includes a memory storing map data, a display unit displaying stored map data, a wireless communication module for transmitting vehicle location information to an external server, and receiving map information from the server. When the road section provided by the map data displayed on the departure from the vehicle location information is transmitted to the server through the wireless communication module, it may include a control unit for receiving the map information from the server to be displayed on the display unit.

The location information may include coordinate information and scale of longitude and latitude at which the vehicle is currently located.

Map information may be satellite or aerial imagery.

The map information received from the server is stored in the memory, and the controller may provide updated map data including the map information stored in the memory at the next driving of the vehicle.

The controller may compare the map information received from the server with the displayed map data, extract the added information, and update the map data.

The controller may control the location information of the vehicle to be transmitted to the server until the vehicle reenters the road section provided by the map data.

In addition, when the vehicle re-enters the road section provided by the map data, the controller may re-search the corresponding map data in the memory and control the display data to be displayed on the display unit.

According to the present invention, when the moving object leaves the road section provided by the navigation system, there is a convenient effect by providing map information by communicating with the server.

In addition, there is a more convenient effect by storing the provided map information to update the map data to be provided at the next driving of the vehicle.

1 is a block diagram showing the configuration of a system to which the method for providing map information is applied according to an embodiment of the present invention.

As shown in FIG. 1, the system to which the map information providing method is applied receives a navigation message transmitted by a GPS (Global Positioning System) satellite 30 using a navigation device 10 mounted on a vehicle 20. By using this, the current position of driving is determined. After that, the navigation device 10 matches the determined current location with previously stored map data and displays the same.

At this time, the navigation device 10 transmits the location information of the vehicle 20 to the external server 40 when the vehicle 20 leaves the road section provided by the map data previously stored. The navigation device 10 may receive and display map information corresponding to the location information from the server 40 to promptly and accurately inform the user of new road information that has not been updated.

Looking at the configuration of the navigation device 10 of the present invention as follows.

2 is a block diagram showing the configuration of a navigation device according to an embodiment of the present invention.

As shown in FIG. 2, the navigation device 10 of the present invention includes a GPS receiver 100, a wireless communication module 105, a memory 110, an input unit 120, a controller 130, a display unit 140, and the like. The voice output unit 150 is included.

The GPS receiver 100 receives a navigation message transmitted by the GPS satellite 30 of FIG. 1 through the first antenna ANT 1.

The wireless communication module 105 transmits the location information of the vehicle to the external server 40 of FIG. 1 through the second antenna ANT 2, and receives map information from the external server 40 of FIG. Provided at 130.

The memory 110 stores operation programs, map data, and map information received through the GPS receiver 100. The map data and the map information are used for displaying the current location and searching the route in the navigation device 10 and may have a form such as linear data and image data.

The input unit 120 includes a key button, a jog stick, a jog dial, a touch screen, and the like, and receives various operation commands including a specific destination from a user and outputs them to the control unit 130.

The controller 130 operates according to an operation program stored in the memory 110. The controller 130 determines the current position of the vehicle using the navigation message of the GPS satellite (30 in FIG. 1) received through the GPS receiver 100, and matches the current position of the vehicle on a map. When the vehicle leaves the road section provided by the map data displayed on the display unit 140, the controller 130 transmits the location information of the vehicle to an external server (40 of FIG. 1) through the wireless communication module 105. Control to receive the map information from (40 in Figure 1).

The display unit 140 displays map data stored in the memory 110 under the control of the controller 130, and displays the current location of the vehicle on the map. The display unit 140 displays a driving route, a road section, and map information received from the server (40 in FIG. 1) from the starting point to the destination. The display unit 140 may be implemented as a touch screen.

The voice output unit 150 generates a guide voice signal under the control of the controller 130 and outputs the generated voice signal through the speaker SPK.

Looking at the map information providing method using the navigation device 10 of the present invention configured as described above are as follows.

3 is a flowchart illustrating a method for providing map information using the navigation device 10 according to an embodiment of the present invention, and FIGS. 4A to 4F are screens of a navigation device for providing map information according to an embodiment of the present invention. It is an exemplary diagram showing.

As shown in FIG. 3, the method of providing map information using the navigation device 10 includes a display step of displaying map data (S200 ˜ S220), and when leaving a road section provided by the displayed map data, the position of the vehicle. A transmission step (S230 ~ 270) for transmitting the information to the external server and receiving and displaying the map information corresponding to the location information from the server (S280 ~ S280).

As shown in FIG. 4A, the navigation device 10 is turned on (S200) and receives a specific destination from the user through the input unit 120 (S210). Accordingly, the controller 130 determines the current position of the vehicle using the navigation message of the GPS satellite (30 in FIG. 1) received through the GPS receiver 100. Thereafter, corresponding map data is retrieved from the memory 110 and matched with the current location of the vehicle and displayed on the display unit 140 (S220).

In this case, the controller 130 continuously checks whether the vehicle leaves the road section provided by the map data displayed on the display unit 140 (S230). The controller 130 continuously communicates with the GPS satellite (30 in FIG. 1) through the GPS receiver 100 to determine the current location of the vehicle, and thereby confirms whether the vehicle has left the road section provided by the map data. .

As shown in FIG. 4B, the controller 130 leaves the road section including the route C provided by the map data by the vehicle driving at the first position A, and moves to the second position B as shown in FIG. 4C. Check it. Here, the second position B refers to a position at which the vehicle travels away from the road section provided by the map data.

Accordingly, as shown in FIG. 4D, the controller 130 re-searches the map data corresponding to the second location B in the memory 110 (S240). The controller 130 checks whether the map data corresponding to the second location B exists in the memory 110 (S250), and displays the map data re-searched on the display unit 140 in the present case (S260). .

However, when the map data corresponding to the second location B does not exist in the memory 110, the controller 130 uses the wireless communication module 105 to transmit current location information of the vehicle to the second antenna ANT. 2) it is controlled to be transmitted to an external server (40 in FIG. 1) (S270).

The controller 130 may determine a current position of the vehicle by communicating with a GPS satellite (30 of FIG. 1) through the GPS receiver 100 and may represent the latitude and longitude coordinate information. For example, when the latitude and longitude coordinates of the second position B of the vehicle are 'latitude: 37 ° 30'2 and longitude: 126 ° 51'28 ″, the controller 130 externally stores the location information. To the server (40 in FIG. 1).

Subsequently, map information corresponding to the second position B of the vehicle is received from the external server 40 in FIG. 1 through the second antenna ANT 2 as shown in FIG. 4E, and the controller 130 as shown in FIG. 4F. ) Will be displayed on the display unit 140 (S280). At this time, the map information received from the server (40 in FIG. 1) may be a picture or an image taken from the satellite or the aircraft in flight.

The controller 130 continuously checks the current position of the vehicle by communicating with a GPS satellite (30 in FIG. 1) through the GPS receiver 100, matches the map information received from the server (40 in FIG. 1), and displays the display unit ( 140). In addition, the controller 130 generates a guide voice signal through the voice output unit 150 and outputs the same through the speaker SPK.

The controller 130 allows the map information corresponding to the received second location B to be stored in the memory 110 according to the user's selection (S290). In this case, the controller 130 monitors whether the vehicle 20 reenters the road section provided by the map data, and continuously maintains the location information of the vehicle 20 until the server 20 reenters the corresponding road section. ) Can be sent.

The map information stored as described above may be provided at the next driving of the vehicle 20. In this case, the controller 130 may update the map data by extracting the added information by comparing the map information received from the server 40 of FIG. 1 with the displayed map data.

In addition, the location information may include accumulation.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art.

Accordingly, the present invention should not be limited by the foregoing embodiments and the accompanying drawings, but should be interpreted in support of the claims.

1 is a block diagram showing the configuration of a system to which the map information providing method according to an embodiment of the present invention is applied.

Figure 2 is a block diagram showing the configuration of a navigation device according to an embodiment of the present invention.

3 is a flowchart illustrating a method for providing map information using a navigation device according to an embodiment of the present invention.

4A to 4F are exemplary views showing screens of a navigation device for providing map information according to an embodiment of the present invention.

Claims (14)

A display step of displaying map data; A transmission step of transmitting the location information of the vehicle to an external server when the vehicle leaves the road section provided by the displayed map data; And Receiving and displaying map information corresponding to the location information from the server; Map information providing method comprising a. The method of claim 1, The location information, And the coordinate information and scale of the longitude and latitude at which the vehicle is currently located. The method of claim 1, The map information, Map information providing method characterized in that the satellite or aerial image. The method of claim 1, Further comprising a storage step of storing the map information received from the server, And at the next driving of the vehicle, providing the updated map data including the map information stored in the storing step. The method of claim 1, And comparing the map information received from the server with the displayed map data, extracting the added information, and updating the map data. The method of claim 1, In the transmission step, And transmitting the location information of the vehicle to the server until the vehicle re-enters the road section provided by the map data. The method of claim 1, And re-entering the map section corresponding to the road section provided by the map data, and redisplaying and displaying the map data corresponding thereto. A memory in which map data is stored; A display unit displaying the stored map data; A wireless communication module transmitting location information of the vehicle to an external server and receiving map information from the server; And When the vehicle leaves the road section provided by the map data displayed on the display unit, the location information of the vehicle is transmitted to the server through the wireless communication module, and the map information is received from the server to be displayed on the display unit. A control unit for controlling; Navigation device comprising a. The method of claim 8, The location information, And a coordinate information and a scale of the longitude and latitude at which the vehicle is currently located. The method of claim 8, The map information, Navigation device characterized in that the satellite or aerial image. The method of claim 8, The map information received from the server is stored in the memory, The control unit may provide the updated map data including the map information stored in the memory at the next driving of the vehicle. The method of claim 8, The control unit, And comparing the map information received from the server with the displayed map data to extract added information to update the map data. The method of claim 8, The control unit, And controlling the vehicle to transmit location information of the vehicle to the server until the vehicle re-enters the road section provided by the map data. The method of claim 8, The control unit, And when the vehicle re-enters the road section provided by the map data, the map data corresponding to the map data is searched again in the memory and controlled to be displayed on the display unit.

Images