KR20060068111A - Mobile phone with poi display function, system and method using the same - Google Patents

Abstract

The present invention provides a mobile communication terminal having a POI information display function for highlighting POI information among geographic information including POI (Point Of Interest) information to be displayed on a screen, and a POI information display system using the mobile communication terminal; It is about a method.

To this end, the present invention is a mobile communication terminal for displaying Point Of Interest (POI) information, the memory unit for storing geographic information including POI information; And a controller which searches for geographic information including POI information to be output on the screen from the memory unit, filters POI information based on an arbitrary reference coordinate among searched information, and highlights the filtered POI information. A mobile communication terminal having a POI information display function is provided.

GPS, mobile terminal, map, POI information, geographic information, display

Description

A mobile communication terminal having a POI information display function and a POI information display system and method using the mobile communication terminal {mobile phone with POI display function, system and method using the same}

1 is a block diagram illustrating an entire mobile communication terminal having a POI information display function according to an embodiment of the present invention.

FIG. 2 is a block diagram for explaining the mobile communication terminal of FIG. 1 in detail.

3 is a block diagram for explaining the overall POI information display system using a mobile communication terminal according to an embodiment of the present invention.

4 is a flowchart illustrating a method of displaying POI information using a mobile communication terminal according to an embodiment of the present invention.

5 is a screen example showing a map, POI information and geographic information on a screen of a mobile communication terminal.

6 is a flowchart illustrating a method of displaying POI information using a mobile communication terminal according to an embodiment of the present invention.

7 is a flowchart illustrating a method for displaying POI information in conjunction with a navigation management server by a mobile communication terminal according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>                 

5: GPS satellite 10: mobile communication terminal

20: information communication network 30: navigation management server

31: POI information database (DB) 32: Geographic information database (DB)

The present invention relates to a mobile communication terminal having a POI information display function and a POI information display system and method using the mobile communication terminal, and in particular, displays geographic information including POI information to be output on a screen, and increases POI information. POI information display system and method using POI information display function and POI information display function that enables the user to recognize the desired position accurately by displaying, shading, displaying in distinct color or blinking It is about.

In general, the navigation system receives the current location information and the destination information from the navigation terminal to calculate the guidance route based on the map data, generates the guidance data, and transmits the guidance data to the navigation terminal to perform the road guidance.

Such a navigation system includes a map database (DB) and a point of interest (POI), which store map data produced according to road and traffic regulation conditions previously investigated in the information center. And a POI database (DB) for storing data such as a hotel, a golf course, a tourist attraction, and the like, and various types of information necessary for driving by transmitting data stored in the database DB while receiving a signal according to an information request from a navigation terminal. Will be provided.

The navigation system is largely classified into a car navigation system (CNS) for providing various driving information and a personal navigation system (PNS) for providing various driving information while being portable. do.

The above-described car navigation system (CNS) has a problem in that the location of the place name is easy to recognize because the output screen is large, but it is mounted on the vehicle, and according to the restrictions of the place, the user cannot properly utilize the geographic information required by the user.

In addition, the above-described personal navigation system (PNS) has solved the problem due to the location limitation of the car navigation system, but it is difficult to recognize the exact location due to the limitation of the screen size or resolution of the mobile communication terminal, so that the user is displayed on the screen. There was a problem that you do not recognize the geographic information accurately.

In addition, since POI information and geographic information are monotonously displayed on the screen of mobile communication terminals having substantially the same size, there is a problem that a user cannot easily recognize geographic information.

In addition, even if the geographic information to be output is introduced by filtering the layer concept, the geographic information filtered by the screen size and resolution of the mobile communication terminal is similarly displayed monotonically, thus preventing the user from accurately recognizing the required location. There was this.

 SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems, and among the geographic information including POI information to be displayed on the screen, the POI information is a reference coordinate of the current position of the mobile communication terminal or a reference coordinate of an arbitrary point selected by the user. Alternatively, by filtering around the reference coordinates set on the driving route and highlighting the filtered POI information, the user's position on the screen of the mobile communication terminal can be accurately recognized.

According to an aspect of the present invention for achieving the above object, a mobile communication terminal for displaying Point Of Interest (POI) information, the memory unit for storing geographic information including POI information; And a controller which searches for geographic information including POI information to be output on the screen from the memory unit, filters POI information based on an arbitrary reference coordinate among searched information, and highlights the filtered POI information. A mobile communication terminal having a POI information display function is provided.

According to another aspect of the present invention, a navigation management server includes a point of interest (DB) information database (DB) and a geographic information database (DB), and searches and provides geographic information and POI information for an arbitrary region. ; At least one GPS satellite providing position coordinates; Access the navigation management server to receive geographic information including POI information to be displayed on the screen, and filtering and filtering the POI information based on the position coordinates received through any reference coordinates or GPS satellites from the received information Provided is a POI information display system comprising a mobile communication terminal for displaying the highlighted POI information.

According to still another aspect of the present invention, a POI (Point Of Interest) information database (DB) and a geographic information database (DB) are included, and the corresponding POI information retrieved by searching for geographic information and POI information for an arbitrary region and A navigation management server for filtering the POI information based on arbitrary reference coordinates and providing filtered POI information, unfiltered POI information, and geographic information; At least one GPS satellite providing position coordinates to the navigation management server; And a mobile communication terminal connected to the navigation management server to receive filtered POI information, unfiltered POI information, and geographic information to be displayed on the screen, and to highlight the filtered POI information in the received information. A POI information display system is provided.

According to another aspect of the present invention, a method of displaying POI information on a screen of a mobile communication terminal through a memory unit that stores geographic information including point of interest (POI) information, POI to be output on the screen A searching step of searching for geographic information including information from the memory unit; A filtering step of filtering POI information based on an arbitrary reference coordinate from the retrieved information; It provides a method of displaying POI information of a mobile communication terminal comprising a display step for highlighting the filtered POI information.

According to another aspect of the present invention, in the method for displaying the POI information on the screen of the mobile communication terminal, POI information corresponding to the search request of the geographic object after the communication connection with the navigation management server through the information communication network A receiving step of receiving geographic information comprising; A filtering step of filtering POI information about an arbitrary reference coordinate among the received information; It provides a method of displaying POI information of a mobile communication terminal comprising a display step for highlighting the filtered POI information.

According to another aspect of the present invention, in the method for displaying the POI information on the screen of the mobile communication terminal, the mobile communication terminal transmits a search request signal of the geographic object to the navigation management server that has made a communication connection through the information communication network A first step of making; The POI information is searched by the navigation management server to search the geographic information including the POI information corresponding to the searched geographic object, and the POI information is searched based on an arbitrary reference coordinate. Receiving, by the mobile communication terminal, POI information and geographic information that have not been received; And a third step of highlighting the filtered POI information among the information received through the second step, so as to display the POI information of the mobile communication terminal.

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

The mobile communication terminal having the POI information display function according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 2 as follows.

1 is a block diagram illustrating a mobile communication terminal having a POI information display function as a whole according to an embodiment of the present invention, and FIG. 2 is a block diagram illustrating the mobile communication terminal of FIG. 1 in detail.                     

Referring to FIG. 1, the mobile communication terminal 10 having the POI information display function according to an embodiment of the present invention has a POI centered on an arbitrary reference coordinate among geographic information including POI information to be output on a screen. The information is filtered and the filtered POI information is highlighted. At this time, filtering the POI information is to filter the POI information in the concentric circle around the reference coordinate corresponding to the current position of the mobile communication terminal 10 or concentric circles around the reference coordinate corresponding to any point selected by the user. It is to filter POI information inside or to filter POI information within a certain distance from the reference coordinate existing on the simulation driving path.

The mobile communication terminal 10 having the above-described POI information display function may operate in conjunction with the GPS satellite 5 which transmits the coordinates of the current position and the coordinates on the driving route. Accordingly, the mobile communication terminal 10 having the POI information display function can be displayed on the screen of the mobile communication terminal 10 using the GPS coordinates received from the GPS satellites 5. In addition, even when GPS coordinates are not received from the GPS satellites 5, the POI information and the geographic information may be displayed on the screen by directly receiving the coordinates of an arbitrary point selected by the user. In this way, the POI information displayed on the screen is displayed in dark, shaded, flashing, or distinguished colors, so that the user can easily recognize the location.

Referring to FIG. 2, the mobile communication terminal 10 having the POI information display function includes a key input unit 11, a voice input unit 12, a GPS receiver 13, a data converter 14, and a controller 15. And a display unit 16, an RF transmitter / receiver unit 17, a memory unit 18 that stores geographic information, a communication interface unit 19, and an antenna (not shown). Here, the information stored in the memory unit 18 includes a map, POI information, geographic information, and the like.

In such a memory unit 18, an operation program and a system program of the control unit 18 are stored, and the operation program or system program is usually stored in a ROM area included therein and can be erased as necessary. Electrically erasable ROMs include EEPROM and flash memory. The memory 18 also includes RAM for temporarily storing data generated during the execution of various operating programs.

The key input unit 11 operates a button key provided in the mobile communication terminal 10 to determine the geography of a specific location (for example, the current location, arbitrary point, location on the driving route, etc.) of the mobile communication terminal 10. You are given a command to search. At this time, the location name (for example, select city / city, city / county / gu, name, etc.), address (for example, city / city / county / city, city / town / dong) You can also input the geographic search command of the current location by selecting one geographic search button key, and the name of one place (for example, Seocho-dong, Sinseol-dong, Bomun-dong). , Only Yeoksam-dong, etc.).

The voice input unit 12 receives a user's voice signal for a telephone call with the other party. In addition, a command for searching for a specific location may be input by a user.

When the GPS receiver 13 transmits a positioning signal to the GPS satellites 5, the GPS coordinates of the position where the mobile communication terminal 10 is located from at least one GPS satellite 5 receiving the transmitted signals (eg, Coordinates, including latitude, longitude, and the like. In this case, the mobile communication terminal 10 receiving the GPS coordinates displays the POI information and the geographic information corresponding to the GPS coordinates on the screen so that the user's location can be confirmed.

The data converting unit 14 converts information transmitted and received from the outside or information requiring processing into suitable data. In particular, the data conversion unit 14 converts the POI information and the geographic information into suitable data. The POI information and the geographic information converted as described above are stored in the memory unit 18. The geographic information and the POI information may be stored in the same file or may be separately stored in each file.

In the present embodiment, the geographic information including the POI information is stored in the internal memory unit 18 of the mobile communication terminal 10. However, the external memory (for example, sd, cf, memory stick, etc.) is described. POI information and geographic information stored in may be used. In this case, the mobile communication terminal 10 and the external memory are connected by a connection means (for example, a cable, a USB port, etc.) to use the information stored in the external memory.

POI (Point Of Interest) information includes the location name and coordinates of the important point, the location name of the important point refers to public institutions, schools, department stores, cathedrals, parks, fast food restaurants, markets, restaurants. In the present embodiment, the POI information is limited to the location name of the important point, but the present invention is not limited thereto.

Geographic information includes the location name of the important point and the coordinates of the location name.

Since the capacity of the memory unit 18 is limited, in order to receive a large amount of information while being updated with the latest information, it is necessary to establish a communication connection to a navigation management server to be described later and to request and receive geographic information of a specific region. desirable.

The control unit 15 controls the units collectively, and determines whether there is a geographic search command in response to the signal output from the key input unit 11, and if there is a geographic search command, it is displayed on the screen. Geographic information including POI information is searched and the POI information is filtered from the searched information so that the filtered POI information is highlighted. Of course, geographic information is also displayed on the screen, but it is not emphasized like POI information.

The reason for filtering the POI information is to highlight and display the POI information. For this reason, the filtering condition for filtering the POI information is set to filter the POI information within a certain distance from the reference coordinate, and the reference coordinate is the coordinate of the current position of the mobile communication terminal 10 or by the user. Coordinates of a predetermined point or coordinates set on the driving route.

Here, the filtered POI information is POI information of a surrounding (for example, 50M, 100M, etc.) centered on the coordinates of the current position, that is, POI information in a concentric circle centered on the coordinates of the current position or is set on the driving route. It refers to POI information at a certain distance (for example, 50M, 100M, 200M, etc.) with respect to the coordinates, or POI information in concentric circles about the coordinates of an arbitrary point.

In the present embodiment, the filtering of the POI information may be filtered according to a preset filtering condition, but the filtering condition may be set by a user.                     

The display unit 16 outputs information on the screen according to the control signal output through the control unit 15. In this embodiment, POI information and geographic information are displayed on the screen. In particular, as illustrated in FIG. 5, the POI information is highlighted and displayed. However, the present invention is not limited thereto, and the POI information is displayed in bold, flashing, or distinguished colors, such as triangles and circles. It can be displayed in various shapes.

The RF transmitting / receiving unit 17 and the antenna (not shown) are controlled by the control unit 15, and generally perform a role of transmitting and receiving a voice signal for a telephone call with a counterpart caller. Omit the description.

The voice processing unit (not shown) modulates the voice signal input from the microphone and converts the voice signal into voice data, and demodulates the voice data input from the RF transmitter / receiver 17 and voice data stored in the voice memory into voice signals. Sound is output through a speaker.

The ringing tone generator (not shown) generates a ring tone through the speaker under the control of the controller 15.

The communication interface unit 19 serves to interface information received from the outside to the controller 15 and to interface the control signal output from the controller 15 to the outside.

3 is a block diagram for explaining the overall POI information display system using a mobile communication terminal according to an embodiment of the present invention.                     

Referring to FIG. 3, the POI information display system using a mobile communication terminal according to an embodiment of the present invention includes a mobile communication terminal 10 as a requester of information, a navigation management server 30 as a provider of information, At least for providing position coordinates to the mobile communication terminal 10 having an information communication network 20 and a GPS receiver 13 for interfacing the mobile communication terminal 10 and the navigation management server 30 by wires or wirelessly. One GPS satellite 5 and the like.

The mobile communication terminal 10 is a computer device that can communicate with a map browser capable of displaying map contents, and includes a mobile phone capable of wireless Internet communication, a personal digital assistant (PDA), an IMT2000, and the like.

Since the mobile communication terminal 10 is the same as described above, a description thereof will be omitted.

The information communication network 20 includes an Internet network, an internal network, and the like using a TCP / IP protocol that can be wired and a WAP protocol that can be wirelessly connected. Here, the mobile communication terminal 10 is connected through the information communication network 20 (for example, the Internet network).

The navigation management server 30 is a computer system including a central processing unit, a RAM, a ROM, a network interface, a data storage device, and the like. Traditional personal computers or workstations with more than a certain amount of memory and processing power can be used as server computers.

Such a navigation management server 30 stores a POI information database (DB) 31 that stores POI (Point Of Interest) information updated with the latest information and geographic information updated with the latest information. A geographic information database (DB) 32 is included.

The navigation management server 30 receives the POI information and the geographic information in response to the input request signal when a geographic search request signal for a certain area is input from the mobile communication terminal 10 which is connected through the information communication network 20. It retrieves from the POI information database (DB) 31 and the geographic information database (DB) 32 and transmits the retrieved POI information and geographic information to the mobile communication terminal 10 via the information communication network 20.

Then, the mobile communication terminal 10 receives POI information and geographic information transmitted from the navigation management server 30 via the information communication network 20 to be displayed on the screen.

At this time, the POI information is filtered based on any reference coordinates among the received POI information and geographic information, and the filtered POI information is displayed in bold, shaded, displayed in a distinct color, or blinked. Make sure that it is highlighted in either way.

In this embodiment, since the mobile communication terminal 10 operates in conjunction with the navigation management server 30, the mobile communication terminal 10 can receive and use a vast amount of POI information and geographic information managed by the navigation management server 30, so that the user Not only can you know where you need it more precisely, but it's also updated with the latest information to give you more detail.

In addition, in the present embodiment, one server 30 includes a POI information database (DB) 31 and a geographic information database (DB) 32 which are composed of POI information and geographic information updated with the latest information while retaining a large amount of information. ), But since POI and geographic information providers may be different, only one information may be provided by one server.

4 is a flowchart illustrating a method of displaying POI information using a mobile communication terminal according to an embodiment of the present invention.

A method of displaying POI information using the mobile communication terminal illustrated in FIG. 2 will be described with reference to FIG. 4.

The controller 15 performs a search step of searching the memory unit 18 for geographic information including POI information to be output on the screen in response to the geographic search requested from the user (S100). The memory unit 18 stores geographic information including POI information. The POI information may be stored in one file or may be stored separately in each file.

Next, the controller 15 performs a filtering step of filtering POI information to be highlighted and displayed based on an arbitrary reference coordinate among the geographic information including the retrieved POI information (S110). The POI information filtered through the filtering step is POI information for highlighting on the screen. POI information in concentric circles centered on the reference coordinate, POI information located around the reference coordinate, and the reference coordinate. POI information located within a certain distance on the driving route. Here, the reference coordinate is the GPS coordinate received from the GPS satellite 5 after the mobile communication terminal 10 transmits the positioning signal to the GPS satellite 5, or does not transmit the positioning signal to the GPS satellite 5. If not, the coordinates are retrieved based on the geographic information stored in the memory 18, or the coordinates are set on the driving route to which the starting point and the destination are given.

Next, the controller 15 displays the geographic information including the POI information filtered by the above-described filtering step on the screen, but performs a display step of highlighting the filtered POI information (S120). Here, the filtered POI information is emphasized by one of the display methods that are displayed in bold, shaded, flashing, or distinguished colors while displaying geographic information on the screen of the mobile communication terminal 10. It is desirable to display.

6 is a flowchart illustrating a method of displaying POI information using a mobile communication terminal according to an embodiment of the present invention.

A method of displaying POI information using the mobile communication terminal shown in FIG. 2 will be described with reference to FIG. 6.

The control unit 15 is turned on at the request of the user, so that the power supply to the components of the mobile communication terminal 10 described above is smoothly made (S200). As described above, various services can be provided according to a user's request while the power is turned on. However, in the present embodiment, only the service part related to the geographical search will be described.

Thereafter, the controller 15 determines whether a geographic search request signal is input from the user (S202). As a result of the determination in step S202, if no geographic search request signal is input from the user, the process ends.

As a result of the determination in step S202, when a geographic search request signal is input from the user, the controller 15 provides a setting window for receiving a setting of a geographic object to be searched for, and then receives a geographic object to be searched through the provided setting window. (S204). In this case, the user may input a geographic target by operating a button key provided in the mobile communication terminal 10, or may easily input a geographic target search request by selecting a geographic search button key.

Next, the controller 15 searches for POI information to be output on the screen according to the geographic search request input by the user (S205).

Thereafter, the controller 15 determines which geographic object the received geographic object is for the search request (S206). That is, it is determined whether the geographic search request of the current location of the mobile communication terminal 10 or the geographic search request of any point selected by the user or the geographic search request on the driving route.

As a result of the determination in step S206, when a geographical search for the current position of the mobile communication terminal 10 is requested, the controller 15 transmits a position measurement signal to the GPS satellite 5 and then receives the received position measurement signal from the GPS satellite 5. The GPS coordinates are set as reference coordinates (S207). Here, the reference coordinates are coordinates that serve as a reference for filtering POI information within a certain distance or in a concentric circle among geographic information including POI information to be output on the screen.

As a result of the determination in step S206, when a geographic search of an arbitrary point selected by the user is requested, the controller 15 randomly based on geographic information including POI information stored in the memory 18. The coordinate corresponding to the point is set as the reference coordinate (S208). In this case, the GPS coordinates received from the GPS satellites 5 may be set as the reference coordinates in the same manner as the method for setting the reference coordinates of the current position.

As a result of the determination in step S206, when a geographic search for a location on a driving route is requested, the control unit 15 periodically transmits a location measurement signal from the GPS satellite 5 and performs a GPS satellite ( The GPS coordinates received from 5) are set as reference coordinates. Here, the reference coordinate is a coordinate set on the driving route, and the coordinate is changed while moving.

Next, when the reference coordinate is set for the current position of the mobile communication terminal 10 or a random point selected by the user or a position on the driving route, the controller 15 filters POI information based on the set reference coordinate ( S210). If the reference coordinate is set to the coordinates of the current position, the POI information in or around the current position is filtered around the current position, and even if set to the coordinates of the arbitrary point selected by the user, If the POI information is located or neighboring, the POI information is filtered. If the POI information is set to a coordinate existing on the driving route, the POI information within a predetermined distance of the driving route is filtered.

Next, the controller 15 displays the geographic information including the filtered POI information on the screen, but highlights the filtered POI information in bold, shaded, flashing, or distinguished colors (S212). The method of highlighting and displaying the POI information may be preset or may be selectively changed by the user.

7 is a flowchart illustrating a method of displaying POI information by interworking with a navigation management server in a mobile communication terminal according to an embodiment of the present invention.

A method of displaying POI information using the mobile communication terminal illustrated in FIG. 3 will be described with reference to FIG. 7.

The control unit 15 of the mobile communication terminal 10 is in a state in which power is turned on at the request of the user in the same manner as in step S200 (S300).

Thereafter, the controller 15 makes a communication connection with the navigation management server 30 through the information communication network 20 (S302). Here, it is possible to transmit and receive the request information between the navigation management server 30 and the mobile communication terminal 10 by maintaining the communication connection in this way, that is, the online state.

Next, the controller 15 determines whether a geographic search request signal is input from the user (S304). As a result of the determination in step S304, if no geographic search request signal is input from the user, the process ends.

As a result of the determination in step S304, when a geographic search request signal is input from the user, the controller 15 provides a setting window for receiving a setting of a geographic object to search for, and then receives a search request geographic object based on the provided setting window. (S306). In this case, the controller 15 may receive a setting window for receiving a setting of a geographic object to be searched from the navigation management server 30 and receive a search request geographic object through the received setting window.                     

Next, the control unit 15 transmits the search request geographic target received through the setting window for setting the geographic target to the navigation management server 30 (S307).

Next, the controller 15 receives the geographic information including the POI information corresponding to the geographic search request from the navigation management server 30 and displays it on the screen (S308).

In this case, the navigation management server 30 searches for and provides geographic information including POI information corresponding to a search request of a geographic object in a POI information database (DB) 31 and a geographic information database (DB) 32. . The information stored in the POI information database (DB) 31 and the geographic information database (DB) 32 is POI information and geographic information updated with the latest information.

Next, the controller 15 determines which geographic information including the received POI information is a search request for a geographic object (S310). That is, it is determined whether the current location geographic search request of the mobile communication terminal 10, the geographic search request of any point, or the geographic search request on the driving route.

Subsequent steps S311 to S313 are the same as steps S207 to S209 described above, and thus a detailed description thereof will be omitted.

On the other hand, the reference coordinates corresponding to the current position or the position of the arbitrary position or the position on the driving route performed in steps S311 to S313 may be performed after the step S304 described above.

Next, the controller 15 filters the POI information among arbitrary geographic information including POI information received from the navigation management server 30 (S314), and filters the filtered POI information according to a user's selection. Alternatively, the display may be displayed in a dark or shaded or flashing light or in a distinct color according to a preset display method (S316). Here, the reference coordinates are coordinates used as comparative determination criteria for filtering POI information, which is an object to be highlighted and displayed within a certain distance or in a concentric circle.

 Thus, the POI information that is highlighted and displayed among the geographic information displayed on the screen of the mobile communication terminal 10 can accurately identify the position required by the user.

In the above embodiment, the mobile communication terminal 10 receiving the geographic information including the POI information from the navigation management server 30 performs filtering according to a preset condition and highlights the filtered POI information on the screen. It explains.

In addition, although not shown in the drawings, the navigation management server 30 performs filtering and other embodiments in which the mobile communication terminal 10 receives filtered POI information, unfiltered POI information, and geographic information and simply displays them on the screen. It can also be implemented as an example.

In this case, the navigation management server 30 in response to the input request signal when the geographic search request signal for a certain area is input from the mobile communication terminal 10 that has made a communication connection through the information communication network 20 and the corresponding POI information and Search for the POI information from the POI information database (DB) 31 and the geographic information database (DB) 32, filter the POI information based on an arbitrary reference coordinate, and search for the corresponding POI information and geographical information. The filtered POI information and geographic information are transmitted to the mobile communication terminal 10.                     

Then, the mobile communication terminal 10 receives the filtered POI information, the unfiltered POI information, and the geographic information from the navigation management server 30 through the information communication network 20 to be displayed on the screen, but the filtered POI information. To be highlighted.

The present invention is not limited to the embodiments described above, and various modifications and changes can be made by those skilled in the art, which are included in the spirit and scope of the present invention as defined in the appended claims.

According to the present invention as described above, by filtering the geographic information including the POI information to be output on the screen centered on any reference coordinates and highlights the filtered POI information on the screen of the mobile communication terminal, the user needs There is an effect that can accurately recognize the position.

In addition, according to the present invention as described above, the user can easily and conveniently identify the location by displaying the filtered POI information to be displayed in a dark, shaded, flashing or distinguished color. .

According to the present invention as described above, the POI information and the POI information received by receiving the updated POI information and the geographic information from the navigation management server through the information communication network are similarly filtered to the POI information to filter the POI information. By highlighting, there is also an effect that can be identified in more detail the position required by the user.

Claims (21)

In the mobile communication terminal for displaying the point of interest (POI) information, A memory unit for storing geographic information including POI information; And a controller which searches for geographic information including POI information to be output on the screen from the memory unit, filters POI information based on an arbitrary reference coordinate among searched information, and highlights the filtered POI information. Mobile communication terminal having a POI information display function, characterized in that. The mobile communication apparatus of claim 1, wherein the controller is configured to display the filtered POI information in a dark color, to display in shade, to display in a distinct color, or to blink. terminal. The mobile communication terminal of claim 1, wherein the filtering of the POI information includes filtering POI information within a predetermined distance around the reference coordinate. The mobile communication terminal of claim 1 or 3, wherein the reference coordinate is a coordinate of a current position of the mobile communication terminal. The mobile communication terminal of claim 1 or 3, wherein the reference coordinate is a coordinate of an arbitrary point selected by a user. The mobile communication terminal of claim 1 or 3, wherein the reference coordinate is a coordinate set on a driving route. A navigation management server including a POI (DB Of Interest) information database (DB) and a geographic information database (DB), and searching and providing geographic information and POI information for any region; At least one GPS satellite providing position coordinates; Access the navigation management server to receive geographic information including POI information to be displayed on the screen, and filtering and filtering the POI information based on the position coordinates received through any reference coordinates or GPS satellites from the received information POI information display system comprising a mobile communication terminal to display the highlighted POI information. The system of claim 7, wherein the mobile communication terminal displays the filtered POI information in a dark color, in a shade, in a distinct color, or in a blinking manner. The system of claim 7, wherein the filtering of the POI information comprises filtering POI information within a predetermined distance from the reference coordinate. 10. The system of claim 7 or 9, wherein the reference coordinate is a coordinate of a current position of a mobile communication terminal. The POI information display system according to claim 7 or 9, wherein the reference coordinate is a coordinate of an arbitrary point selected by a user. The POI information display system according to claim 7 or 9, wherein the reference coordinate is a coordinate set on a driving route. It includes POI (DB Of Interest) information database (DB) and geographic information database (DB), and searches the geographic information and POI information for any region and centers the searched POI information and geographic information centered on arbitrary reference coordinates. A navigation management server for filtering POI information and providing filtered POI information, unfiltered POI information, and geographic information; At least one GPS satellite providing position coordinates to the navigation management server; And a mobile communication terminal connected to the navigation management server to receive filtered POI information, unfiltered POI information, and geographic information to be displayed on the screen, and to highlight the filtered POI information in the received information. POI information display system, characterized in that. A method of displaying POI information on a screen of a mobile communication terminal through a memory unit in which geographic information including POI (Point Of Interest) information is stored, A search step of searching for geographic information including POI information to be output on a screen from the memory unit; A filtering step of filtering POI information based on an arbitrary reference coordinate from the retrieved information; And displaying the filtered POI information by highlighting the filtered POI information. 15. The method of claim 14, wherein the displaying step displays the filtered POI information in a dark color, in a shade, in a distinct color, or in a blinking manner. . The method of claim 14, wherein the filtering comprises filtering the POI information within a predetermined distance from the reference coordinate. The method of claim 14 or 16, wherein the reference coordinate is a coordinate of a current position of the mobile communication terminal. The method of claim 14 or 16, wherein the reference coordinate is a coordinate of an arbitrary point selected by a user. The method of claim 14 or 16, wherein the reference coordinates are coordinates set on a driving route. In the method of displaying the POI information on the screen of the mobile communication terminal, Receiving a geographic information including POI information corresponding to a search request of a geographic object after establishing a communication connection with a navigation management server through an information communication network; A filtering step of filtering POI information about an arbitrary reference coordinate among the received information; And displaying the filtered POI information by highlighting the filtered POI information. In the method of displaying the POI information on the screen of the mobile communication terminal, A first step of transmitting, by the mobile communication terminal, a search request signal of a geographic object to a navigation management server having a communication connection through an information communication network; The POI information is searched by the navigation management server to search the geographic information including the POI information corresponding to the searched geographic object, and the POI information is searched based on an arbitrary reference coordinate. Receiving, by the mobile communication terminal, POI information and geographic information that have not been received; And a third step of highlighting and displaying the filtered POI information among the information received through the second step.

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