KR101281594B1 - Mobile communication terminal and its input mode offering method, information searching system using by it - Google Patents

Abstract

According to the present invention, an input mode is performed by moving an input cursor to a user input field. To this end, the present invention selects an input field for a desired content search in a web browser and inputs a search word to perform an information search. Unlike the method, after the mobile communication terminal accesses the web service server according to the wireless Internet service, the user input field is detected when the keypad or the virtual keypad is executed while downloading and displaying the web browser data corresponding thereto. By moving to a user input field, inputting a search word for desired information, and receiving and displaying corresponding information data, a user interface capable of automatically performing an input mode according to a wireless Internet service can be provided.

Wireless Internet Services, Mobile Terminals

Description

MOBILE COMMUNICATION TERMINAL AND ITS INPUT MODE OFFERING METHOD, INFORMATION SEARCHING SYSTEM USING BY IT}

The present invention relates to an information retrieval technique using a wireless Internet service, and more particularly, to a mobile communication terminal suitable for searching for desired information by easily selecting a user input field of a web browser displayed on a mobile communication terminal, and a method of providing an input mode thereof. And an information retrieval system using the same.

As is well known, mobile communication terminals are equipped with a built-in camera, a memory, etc. in addition to a simple voice call function, and functions of multimedia terminals such as digital camera shooting and MP3 music file playback are expanded. Due to the improved function, various additional services using multimedia functions newly added to the mobile communication terminal are being developed not only in the service of the mobile communication terminal but also in the communication service for voice communication.

The mobile communication terminal provides a specific additional service using a short range wireless communication module, for example, Radio Frequency IDentification (RFID), Bluetooth (Bluetooth), Infrared Data Association (IrDA), Zigbee, etc. It provides a function such as listening to MP3 using a headset, a voice call using a wireless microphone, and moreover, various functions using a short range wireless communication module are applied to a mobile communication terminal having a game function and a DMB function.

Recently, a wireless Internet service using a mobile communication terminal has been provided, and various data services provided by a mobile communication provider, a content provider (CP), etc. are based on a wireless application protocol (WAP). It is provided by. In this case, the mobile communication terminal can display only a small amount of information at a time because the display is small in an optimized state for voice communication, and is provided in a directory-based menu method through an input means such as a keypad or a touch screen. I'm using a service.

Referring to the process of using such a wireless Internet service, when the first menu screen composed of texts is displayed by accessing the wireless Internet through a self-equipped Internet connection menu using a mobile communication terminal, a first content including desired content is displayed. If a directory (eg music / picture / movie, etc.) is selected and a first submenu (eg, ringtone download, coloring service, music download, etc.) corresponding to the selected first directory is displayed, 1 Select a second directory (eg, ringtone download, etc.) from the submenu, and when the second submenu (eg, latest song, popular song, sound effect, etc.) corresponding to the selected second directory is displayed, display Search and download the desired content by selecting a specific directory from the second submenu Provided to the mobile communication terminal.

Furthermore, the recent wireless Internet service provides a search and download of desired content by connecting to a desired web site using a mobile communication terminal and downloading and displaying a web browser corresponding to the connected web site to the mobile communication terminal. However, due to the small display size of the mobile terminal, the web browser displayed on the mobile terminal is difficult to display the entire screen at once, and many operations for inputting a search word by selecting an input window (input field) for searching for a desired content. For example, it is inconvenient for the user to move the wireless Internet service because it requires enlargement, reduction, movement, selection, etc.).

Accordingly, in the present invention, when the downloaded web browser is displayed, a mobile communication terminal and an input mode thereof capable of performing an input mode for information retrieval by automatically moving an input cursor to a user input field when a keypad or a virtual keypad is executed. To provide a method, an information retrieval system using the same.

In a first aspect, the present invention provides a mobile communication terminal for providing a wireless Internet service, comprising: a transmission / reception unit in charge of data communication according to the wireless Internet service through a wireless communication network, and web browser data received through the transmission / reception unit. A viewer module for configuring a web browser according to the wireless Internet service, a virtual keypad generating unit for generating a virtual keypad, and the configured web browser are displayed, and a user input in the web browser when the keypad or the virtual keypad is executed. The present invention provides a mobile communication terminal including a control unit which detects a field and moves an input cursor to the user input field selected according to a preset user input field selection condition to perform an input mode.

In a second aspect, the present invention provides a method of performing an input mode for a wireless Internet service, the method comprising: detecting a user input field when a keypad or a virtual keypad is executed while a web browser according to the wireless Internet service is displayed on a viewport screen; And selecting the user input field at a position closest to a reference point among the detected user input fields, and moving the input cursor to the selected user input field to perform the input mode. Provides an input mode providing method.

In a third aspect, the present invention is an information retrieval system for performing information retrieval using a wireless Internet service, which displays a web browser received by requesting the wireless Internet service on a viewport screen, and at the time of execution of a keypad or virtual keypad. The mobile terminal detects a user input field, moves an input cursor to the user input field selected according to a preset user input field selection condition, performs an input mode, requests to search for input information, and provides a received information data. An information retrieval system including a communication terminal and a web service server which transmits the web browser in response to a request of the wireless Internet service, and detects and transmits the information data according to the input information retrieval request transmitted from the mobile communication terminal. To provide.

According to the present invention, unlike a conventional method of performing an information search by inputting a search word after selecting an input field for searching a desired content in a web browser, a keypad or a virtual keypad is displayed while displaying a web browser according to a wireless Internet service. When executed, it detects the user input field, moves the input cursor to the user input field closest to the reference point, displays a web browser, requests and receives information data corresponding to the entered search word, and then displays it. You can automatically move the input cursor to a user input field to provide a user interface for easy input.

The technical gist of the present invention is that, after accessing a web service server according to a wireless Internet service from a mobile communication terminal, a user input field is detected by detecting a user input field when a keypad or a virtual keypad is executed while downloading and displaying web browser data corresponding thereto. Moves to the detected user input field, inputs a search word for desired information, and receives and displays corresponding information data. The technical problem can be solved through such technical means.

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

1 is a block diagram of an information retrieval system suitable for retrieving desired information through a web browser in which an input cursor is moved to a user input field according to a preferred embodiment of the present invention. ), Exchange 106, home location register 108 (HLR), visitor location register 110 (VLR), gateway device 112, web service server 114 and service information database ( 116).

Referring to FIG. 1, the mobile communication terminal 102 performs a voice / video call and data communication with a counterpart through a wireless communication network 104 and provides a wireless Internet service, and is a key for requesting wireless Internet service. Is inputted, the request signal is transmitted to the switchboard 106 through the wireless communication network 104, and the web browser data received accordingly is received through the wireless communication network 104, and the image browser method, the browser method, etc. Is displayed.

In addition, when the user inputs a key to execute the keypad or the virtual keypad while the web browser is displayed, the mobile communication terminal 102 displays the display screen when a keypad execution manipulation signal or a virtual keypad execution manipulation signal is generated. After analyzing the web browser data corresponding to the displayed web browser in the area of the (viewport screen) to detect the user input field, the user input field is selected according to the preset user input field selection conditions and the input cursor is moved. Alternatively, when a search word to be searched is input through the virtual keypad, the corresponding information data transmission is requested to the switchboard 106 through the wireless communication network 104. Accordingly, the wireless communication network 104 receives the requested information data. Then display in image viewer, browser, etc. The. Here, the viewport screen, which is a display screen of the web browser, may display the entire screen of the web browser, and may display some screens of the web browser according to selection of enlargement and reduction.

 Here, the preset user input field selection condition is calculated from, for example, a reference point (for example, the center of the viewport screen, the upper left of the viewport screen, the upper right of the viewport screen, etc.) to the position coordinate values of the respective user input fields. The distance value may be set by selecting a user input field having the smallest value, and a distance value from a reference point to a position coordinate value such as a center part and a start part of each user input field may be calculated. If there is a keypad execution operation signal, a virtual keypad corresponding thereto may be generated and then displayed on a predetermined region (for example, a lower portion of the screen) of the display screen (viewport screen).

On the other hand, the mobile communication terminal 102 does not execute the keypad or the virtual keypad while the web browser is displayed, and when the user selects a specific item by inputting a moving key or a selection key, the wireless communication network 104 Request to the switch 106, accordingly, after receiving the requested information data, the wireless communication network 104 is displayed in an image viewer method, a browser method, or the like, and the user input field is not detected. When a moving key for moving a viewport screen is input, the corresponding viewport screen is moved and displayed according to the input of the moving key.

In addition, the wireless communication network 104 serves to ensure the mobility of the mobile communication terminal 102, and includes a base station and a base station controller, and supports both synchronous and asynchronous. Here, in the case of a synchronous wireless communication network, a base station that receives and transmits a wireless communication signal of the mobile communication terminal 102 is a base transceiver station (BTS) and a base station controller which controls the base station and performs communication with the exchange 106. A base station controller (BSC), which is a base station controller (BSC) and receives and transmits a radio communication signal of the mobile communication terminal 102 in the case of an asynchronous wireless communication network, controls a node B and a node B so as to control the switch 106. The base station controller performing communication with the network becomes a Radio Network Controller (RNC). Of course, the wireless communication network 104 includes, but is not limited to, communication networks of all mobile communication systems to be implemented in the future, including CDMA networks, GSM networks other than W-CDMA networks, and fourth generation.

Next, the exchange 106 performs basic service and additional service processing, incoming and outgoing call processing of the subscriber, location registration procedure and handover procedure processing of the mobile communication terminal 102, interworking function with other networks, and the like. ASS (Access Switching Subsystem) that performs distributed call processing, INS (Interconnection Network Subsystem) that performs centralized call processing, central control subsystem (CCS) that centralizes operation and maintenance, and mobile subscribers. It includes a subsystem, such as a Location Registration Subsystem (LRS) that performs storage and management functions for the information.

In addition, the exchange 106 transmits a corresponding wireless Internet service request to the web service server 114 through the gateway device 112 when the wireless Internet service is requested from the mobile communication terminal 102 through the wireless communication network 104. And receiving the web browser data transmitted through the gateway device 112 from the web service server 114 and transmitting it to the mobile communication terminal 102 through the wireless communication network 104, and wirelessly from the mobile communication terminal 102. When transmission of various information data is requested through the communication network 104, the corresponding information data transmission request is transmitted to the web service server 114 through the gateway device 112, and the gateway device 112 from the web service server 114. Receives various information data transmitted through the) and transmits it to the mobile communication terminal 102 through the wireless communication network (104).

In addition, the home location register 108 receives the location information of the mobile communication terminal 102 and performs functions such as registration recognition, registration deletion, and location checking, and profile information of the mobile communication terminal 102 is stored. . Here, the profile information refers to subscribed supplementary service information such as MIN (Mobile Identification Number), ESN (Electronic Serial Number), IMSI (International Mobile Subscriber Identify), and originating number service.

The home location register 108 may include a subscriber information management apparatus that manages a subscriber's supplementary service information in the form of a database when implemented in a wired communication service. The home location register 108 for the mobile communication service and the subscriber information management device for the wired communication service perform a function of managing a database of additional service information of the subscriber.

On the other hand, the visited location register 110 performs a function of storing the information of the visited subscriber in the area serviced by the exchange 106, the home location register 108 to the subscriber information of the mobile communication terminal 102 that has been registered to the area in charge; Take it from and save it temporarily.

Meanwhile, the gateway device 112 is responsible for the transmission and reception of various data including a WAP gateway, a signaling transfer point (STP), etc. for interworking communication services between an arbitrary communication network and another communication network. And a web service server 114 using wired communication to perform various data communication (for example, wireless internet service request, web browser data transmission, information data request, information data transmission, etc.).

In addition, the web service server 114 refers to a server such as a portal server, a search server, a communication service provider server, a content providing server, and the like, and corresponds to a corresponding web in response to a wireless Internet service request from the exchange 106 through the gateway device 112. The web browser data corresponding to the site is extracted from the service information database 116 and transmitted to the exchange 106 through the gateway device 112, and then the information from the exchange 106 through the gateway device 112. If data is requested, this information data is retrieved and extracted from the service information database 116 and transmitted to the exchange 106 via the gateway device 112.

Next, the information retrieval system having the above-described configuration accesses the web service server, downloads and displays web browser data corresponding thereto, and detects a user input field when the keypad or virtual keypad is executed to detect the input cursor. A mobile communication terminal which moves to a field and performs an input mode of desired information will be described.

2 is a block diagram of a mobile communication terminal suitable for moving an input cursor to a user input field and performing an input mode using a virtual keypad according to an exemplary embodiment of the present invention, wherein the mobile communication terminal 102 is a control unit 102a. ), A key input unit 102b, a display unit 102c, a transceiver unit 102d, a storage unit 102e, a viewer module unit 102f, a virtual keypad generation unit 9102g, and a data conversion module unit 102h.

Referring to FIG. 2, the control unit 102a controls the overall operation of the mobile communication terminal 102 and processes and provides video and audio data including a digital signal processor (DSP). A corresponding operation control is performed according to the provided operation signal, and a control signal for displaying various information of the mobile communication terminal 102 is provided to the display unit 102c, respectively, according to a predetermined program stored in the storage unit 102e. And a control signal for transmitting / receiving various data including audio data and video data to the transceiver 102d.

In addition, the controller 102a displays the video data provided from the transceiver 102d through the display unit 102c after the digital signal processing, and controls the audio data to be output through the speaker SPK after the digital signal processing. Perform the function.

On the other hand, when the control unit 102a receives the wireless Internet service request operation signal from the key input unit 102b, the access request signal for accessing the web service server 114 that provides the wireless Internet service to the transceiver 102d accordingly. Transmits to the switch 106 via the antenna and the wireless communication network 104, and receives the web browser data transmitted through the wireless communication network 104 from the transceiver 102d to receive the viewer module 102f. After the web browser is configured in an image viewer method, a browser method, or the like, the display unit 102c controls the display.

In addition, the controller 102a displays a keypad execution operation signal generated from the key input unit 102b or a virtual keypad execution operation signal when a key for executing the keypad or the virtual keypad is input in the area of the display screen (viewport screen). After detecting the user input field by using the web browser data corresponding to the web browser, the display unit to display a web browser by moving the input cursor to the user input field selected according to a preset user field selection condition among the detected user input fields. Control 102c.

Here, the preset user input field selection condition is, for example, a value having the smallest distance value calculated from the reference point (for example, the center of the viewport screen, the upper left of the viewport screen, etc.) to the position coordinate value of each user input field. It can be set in a manner of selecting a user input field having a distance value, the distance value from the reference point to the center portion, the start portion, etc. of each user input field can be calculated, if there is a virtual keypad execution operation signal After the virtual keypad is generated through the keypad generation unit 102g, the display unit 102c is controlled to display the virtual keypad on a predetermined area (for example, the lower end of the screen).

Next, when a search request signal is provided from the key input unit 102b when the search word is input through the keypad or the virtual keypad, the controller 102a controls the transceiver 102d to transmit an information data request corresponding to the search word. After configuring the information data received through the transmission / reception unit 102d in an image viewer method, a browser method, and the like through the viewer module 102f, the display unit 102c controls to display the information data. Here, when a search word is input through the keypad or the virtual keypad, the control unit 102a transmits data (for example, numeric data, character data, function data, etc.) corresponding to the corresponding key signal through the data conversion module unit 102h. Convert to and recognize it.

On the other hand, the control unit 102a transmits and receives a data request signal from the key input unit 102b when a user selects a specific item on a web browser by inputting a move key or a selection key. Control the unit 102d, configure the information data received through the transceiver unit 102d in an image viewer method, a browser method, etc. through the viewer module unit 102f, and then control the display unit 102c to display the information data. When a moving operation signal is input from the key input unit 102b according to the input of the key for moving the viewport screen, the viewer module unit 102f and the display unit 102c control to move the viewport screen on the web browser. Do this.

In addition, the key input unit 102b includes, for example, a keypad, a virtual keypad, and the like, and includes a plurality of numeric keys, a plurality of character keys, and the like. To generate a search request signal, a data request signal according to a specific item selection, a movement manipulation signal for moving the viewport screen, and provide the same to the controller 102a.

Next, the display unit 102c displays various kinds of information (for example, time display, menu screen display, etc.) of the mobile communication terminal 102 under the control of the control unit 102a, and is generated by the key input unit 102b. It functions to receive and display the operation signal and various information signals of the control unit 102a. The web browser is configured by an image viewer method, a browser method, and the like through the viewer module unit 102f under the control of the control unit 102a. Is displayed on the display screen, the input cursor is moved to the selected user input field according to the input cursor movement control from the controller 102a, and the various information data are displayed under the control of the controller 102a.

The transceiver 102d communicates with the domestic wireless communication network 104 through the antenna ANT, and separates the transmitted / received signals to transmit signals (eg, wireless Internet service request signals and information data requests). Signal and the like) are filtered and amplified and transmitted to the domestic wireless communication network 104 through the antenna, and the received signal (for example, web browser data, information data, etc.) received from the domestic wireless communication network 104 through the antenna is weak. A signal is amplified and filtered and transmitted to the control unit 102a.

On the other hand, the storage unit 102e stores a predetermined program for controlling the overall operation of the mobile communication terminal 102, and the terminal information (for example, telephone number, serial number, and memory information of the mobile communication terminal 102). , Subscriber information, etc.) is stored.

Next, the viewer module 102f configures a web browser using an image viewer method, a browser method, and the like using the web browser data, information data, etc., under control of the controller 102a, and transmits the web browser to the controller 102a.

In addition, the virtual keypad generation unit 102g uses a virtual keypad including a plurality of numeric keys and a plurality of character keys under various control methods (for example, a keypad method combining numbers and letters, QWERTY). (qwerty) keypad configuration, etc.), and then generate it to the control unit 102a.

On the other hand, the data conversion module unit 102h converts and recognizes data (for example, numeric data, text data, function data, etc.) corresponding to the key signal input through the keypad or the virtual keypad under the control of the controller 102a. After that, it is provided to the control unit 102a.

Next, after accessing the web service server according to the wireless Internet service, the mobile communication terminal having the above-described configuration detects a user input field when executing a keypad or virtual keypad while downloading and displaying web browser data corresponding thereto. A process of receiving and displaying corresponding information data by moving an input cursor to a detected user input field and inputting a search word for desired information will be described.

3 is a flowchart illustrating a process of searching for desired information through a web browser in which an input cursor is moved to a user input field according to an embodiment of the present invention.

Referring to FIG. 3, in the standby mode of the mobile communication terminal 102 (step 302), the control unit 102a of the mobile communication terminal 102 uses the input means (not shown), for example, a keypad, to wirelessly communicate with the user. When a key for requesting an Internet service is input, it is checked accordingly whether a wireless Internet service request signal is provided from the key input unit 102b (step 304).

As a result of the check in the step 304, if the wireless Internet service request signal is provided, the control unit 102a transmits a connection request signal for accessing the web service server 114 that provides the wireless Internet service to the transceiver 102d. Transmits the signal to the switch 106 through the antenna and the wireless communication network 104, and in response to the connection request signal, the switch 106 transmits to the web service server 114 providing the wireless Internet service through the gateway device 112. (Step 306).

In addition, the web service server 114 extracts the web browser data for providing the wireless Internet service from the service information database 116 according to the connection request signal, and transmits it to the exchange 106 through the gateway device 112. The exchange 106 transmits the web browser data from the mobile communication terminal 102 through the wireless communication network 104, and the mobile communication terminal 102 transmits the web browser data received through the antenna via the transceiver 102d. Receive (step 308).

Next, the control unit 102a of the mobile communication terminal 102 receives the web browser data from the transmitting and receiving unit 102d and configures the web browser through the viewer module unit 102f in an image viewer method, a browser method, and the like. Display via 102c (step 310).

On the other hand, the control unit 102a of the mobile communication terminal 102 is generated from the key input unit 102b when a user inputs a key for executing a keypad or a virtual keypad using an input unit (not shown), for example, a keypad. It is checked whether there is a keypad execution operation signal or a virtual keypad execution operation signal (step 312).

If there is no keypad execution operation signal or virtual keypad execution operation signal as a result of the check in step 312, the control unit 102a uses the input means (not shown), for example, a keypad or the like, to select a moving key and a selection key. If a specific item is selected by using the controller, it is checked accordingly whether a data request signal is input from the key input unit 102b (step 314).

If the data request signal is not input as a result of the check in step 314, the web browser is displayed, the process of checking the execution of the keypad or the virtual keypad is performed again, and when the data request signal is input, the controller 102a Requests for transmission of information data corresponding to a specific item through the transceiver 102d to the switch 106 using the wireless communication network 104, and the switch 106 transmits the web service server 114 through the gateway device 112. Request to transmit the corresponding information data (step 316).

Accordingly, the web service server 114 retrieves and extracts the requested information data from the service information database 116 and transmits the information data to the exchange 106 through the gateway device 112, and the exchange 106 transmits the information data. The information data is transmitted to the mobile communication terminal 102 through the wireless communication network 104, and the control unit 102a of the mobile communication terminal 102 transmits the information data received through the transmission / reception unit 102d to the viewer module unit 102f. After configuring the image viewer method, the browser method, and the like through the display unit 102c (step 318).

On the other hand, if there is a keypad execution operation signal or a virtual keypad execution operation signal as a result of the check in step 312, the controller 102a displays web browser data corresponding to the web browser displayed in the area of the display screen (viewport screen). It is checked whether the user input field is detected (step 320). In this case, if there is a virtual keypad execution operation signal, the virtual keypad is generated through the virtual keypad generation unit 102g, and then displayed on a predetermined area (for example, the bottom of the screen) of the display screen (viewport screen). Can be.

If the user input field is detected as a result of the check in step 320, the control unit 102a moves the input cursor to a user input field selected according to a preset user input field selection condition among the detected user input fields to operate the web browser. Display (step 322). Here, the preset user input field selection condition is calculated from, for example, a reference point (for example, the center of the viewport screen, the upper left of the viewport screen, the upper right of the viewport screen, etc.) to the position coordinate values of the respective user input fields. The distance value may be set by selecting a user input field having the smallest value. The distance value between the reference point, the center point of each user input field, and the starting point may be calculated. If present, the virtual keypad may be generated and then displayed on a predetermined region (for example, a lower portion of the screen) of the display screen (viewport screen).

For example, FIGS. 4A to 4C illustrate examples of moving an input cursor according to a distance value calculated from a reference point to a position coordinate value of a user input field according to the present invention. In FIG. 4A, a reference point a is a viewport screen. If it is in the center, the distance between the reference value a and the distance d1 between the reference point a and the user input field c is compared with the distance d1 between the reference point a and the user input field c among the detected user input fields b and c. In FIG. 4B, when the reference point a 'is located at the upper left of the viewport screen, the distance value d1' and the reference point a 'between the reference point a' and the user input field b 'are detected from among the detected user input fields b' and c '. The input cursor can be moved to a relatively close user input field c 'by comparing the distance value d2' with the user input field c '. In FIG. In the upper left of the screen, the distance value d1 "between the reference point a" and the user input field b "and the distance value d2" between the reference point a "and the user input field c" of the detected user input fields b "and c" are compared. You can move the input cursor to the relatively close user input field c ". Here, 4a and 4b have been described as calculating the distance value based on the start point of the user input field when detecting the user input field, and in FIG. 4c, calculating the distance value based on the center point of the user input field. .

When the user inputs a search word using a keypad or a virtual keypad, the controller 102 checks whether there is a search request signal according to a search word input generated from the key input unit 102b (step 324).

As a result of the check in step 324, when there is a search request signal according to the search word input, the controller 102a transmits the information data corresponding to the search word input through the transceiver 102d using the wireless communication network 104. A request is made to the switch 106, and the switch 106 requests the corresponding information data transmission to the web service server 114 via the gateway device 112 (step 326).

Accordingly, the web service server 114 retrieves and extracts the requested information data from the service information database 116 and transmits the information data to the exchange 106 through the gateway device 112, and the exchange 106 transmits the information data. Data is transmitted to the mobile communication terminal 102 through the wireless communication network 104, and the control unit 102a of the mobile communication terminal 102 transmits the information data received through the transmission / reception unit 102d to the viewer module unit 102f. The image viewer system, the browser system, and the like are configured, and then displayed on the display unit 102c (step 328).

On the other hand, if the user input field is not detected as a result of the check in step 320, the control unit 102a, if the user inputs a key to move the viewport screen (display screen) using the keypad or the virtual keypad key input unit In step 102b, it is checked whether there is a movement manipulation signal of the viewport screen. Here, functions such as zooming in and zooming out as well as moving the viewport screen may be applied.

As a result of the check in the step 330, when there is a movement operation signal of the viewport screen, the control unit 102a displays the web browser by moving the viewport screen through the display unit 102c (step 332).

Meanwhile, in the above-described embodiment of the present invention, when there is no keypad execution operation signal or virtual keypad execution operation signal when the keypad or the virtual keypad is not executed, requesting information data corresponding to the selected item is checked by selecting a specific item. Although described as receiving and displaying, the viewport screen can be moved and displayed according to the movement manipulation signal of the viewport screen as shown in steps 330 to 332.

In addition, in the above-described exemplary embodiment, when the user input field is not detected, the viewport screen is moved and displayed according to the movement manipulation signal of the viewport screen. However, the specific items such as steps 314 to 318 are described. Checking the selection of may request, receive and display information data corresponding to the selected item.

In addition, the process of selecting a specific item as described above, enlarging, reducing, or moving the viewport screen may be equally applied to the case of performing an input mode using the selected user input field.

Therefore, when the keypad or the virtual keypad is executed while the web browser according to the wireless Internet service is displayed, the user input field is detected, the web browser is displayed by moving the input cursor to the user input field closest to the reference point, and the input is performed. After requesting and receiving the information data corresponding to the searched word can be displayed.

In the foregoing description, the present invention has been described with reference to preferred embodiments, but the present invention is not necessarily limited thereto. Those skilled in the art will appreciate that the present invention may be modified without departing from the spirit of the present invention. It will be readily appreciated that branch substitutions, modifications and variations are possible.

The present invention provides a user interface to automatically perform an information search by automatically moving an input cursor to a user input field for an input mode of a web browser received when providing a wireless Internet service. It is expected to be able to increase.

1 is a block diagram of an information retrieval system suitable for retrieving desired information through a web browser in which an input cursor is moved to a user input field according to a preferred embodiment of the present invention;

2 is a block diagram of a mobile communication terminal suitable for moving an input cursor to a user input field and performing an input mode using a virtual keypad according to a preferred embodiment of the present invention;

3 is a flowchart illustrating a process of searching for desired information through a web browser in which an input cursor is moved to a user input field according to an embodiment of the present invention;

4A to 4C are diagrams illustrating examples of moving an input cursor according to a distance value calculated from a reference point to a position coordinate value of a user input field according to the present invention.

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

102: mobile communication terminal 104: wireless communication network

106: exchanger 108: home location register

110: landing location register 112: gateway device

114: Web Service Server 116: Service Information Database

102a: control unit 102b: key input unit

102c: display unit 102d: transceiver

102e: storage unit 102f: viewer module unit

102g: virtual keypad generation unit 102h: data conversion module unit

Claims (19)

A mobile communication terminal for providing a wireless Internet service, A transmission / reception unit in charge of data communication according to the wireless internet service through a wireless communication network; A viewer module unit configured to construct a web browser based on the wireless Internet service using web browser data received through the transceiver unit; A virtual keypad generator for generating a virtual keypad; Displaying the configured web browser, detecting a user input field in the web browser when the keypad or the virtual keypad is executed, selecting a user input field of a position closest to a reference point among the detected user input fields, and selecting the selected Control unit to perform input mode by moving the input cursor to the user input field And a mobile communication terminal. The method of claim 1, The mobile communication terminal, When the input mode is performed using the keypad or the virtual keypad, a data conversion module unit performs data conversion corresponding to an input key and transmits the data to the controller. A mobile communication terminal further comprising. 3. The method according to claim 1 or 2, The controller controls the virtual keypad to be displayed on a preset area of the viewport screen. The method of claim 3, wherein The viewport screen is displayed in an image viewer method or a browser method. 3. The method according to claim 1 or 2, The control unit, And calculating a distance value between the reference point and the position coordinate value of the user input field among the detected user input fields, and then selecting a user input field having the smallest value. 6. The method of claim 5, The reference point is any one of a center point, an upper left corner, and an upper right corner of the viewport screen. The method of claim 6, The position coordinate value of the user input field is a position of a start point or a center point of the user input field. A method of performing an input mode for a wireless Internet service, Detecting a user input field when the keypad or the virtual keypad is executed while the web browser according to the wireless Internet service is displayed on the viewport screen; Selecting the user input field at a position closest to a reference point among the detected user input fields; Moving the input cursor to the selected user input field to perform the input mode; Method of providing an input mode of a mobile communication terminal comprising a. 9. The method of claim 8, The step of performing the input mode, Checking whether any one of an operation signal is enlarged, reduced or moved by using the keypad or the virtual keypad; Enlarging, reducing or moving the viewport screen when one of the manipulation signals is inputted Method of providing an input mode of the mobile communication terminal further comprising. 10. The method according to claim 8 or 9, The detecting of the user input field may include displaying the virtual keypad in a predetermined area of the viewport screen when the virtual keypad is executed. 11. The method of claim 10, And the viewport screen is displayed in an image viewer method or a browser method. 10. The method according to claim 8 or 9, The selecting of the user input field may include setting one of a center point, an upper left point, and an upper right point of the viewport screen as the reference point. 13. The method of claim 12, The selecting of the user input field may include moving the user input field having the smallest distance value calculated by calculating a distance value from the reference point to a position of a start point or a center point of the user input field. Method of providing an input mode of a communication terminal. An information retrieval system for performing information retrieval using a wireless Internet service, A web browser received by requesting the wireless Internet service is displayed on a viewport screen, and when a keypad or a virtual keypad is executed, a user input field is detected by the web browser, and the position of the position closest to the reference point is detected. A mobile communication terminal for selecting a user input field, moving an input cursor to the selected user input field to perform an input mode, requesting input information retrieval, and providing received information data; The web service server transmits the web browser according to the request of the wireless internet service, and detects and transmits the information data according to the input information search request transmitted from the mobile communication terminal. Information retrieval system comprising a. 15. The method of claim 14, And the mobile communication terminal displays the virtual keypad on a predetermined area of the viewport screen. 16. The method of claim 15, And the viewport screen is displayed in an image viewer method or a browser method. 15. The method of claim 14, The mobile communication terminal, An information retrieval system for selecting a user input field having the smallest value after calculating a distance value between a reference point and a position coordinate value of the user input field among the detected user input fields. 18. The method of claim 17, And the reference point is any one of a center point, an upper left corner, and an upper right corner of the viewport screen. The method of claim 18, And a position coordinate value of the user input field is a position of a start point or a center point of the user input field.

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