KR100689388B1 - Information retrieval method and system of mobile communication terminal equipped with RDF reader - Google Patents

Abstract

According to the present invention, when a mobile communication terminal having a radio frequency identification (RFID) reader reads data stored in an RFID tag and transmits the data to an information service server, the information service server searches for information related to the RFID data and sets a predetermined criterion. By classifying the retrieved information according to the information provided to the mobile communication terminal, the user can conveniently search for desired information, and the RFID data read by the mobile communication terminal can be transmitted to another mobile communication terminal to share the RFID data. have.

RFID (Radio frequency identification), mobile communication terminal, information service server

Description

Information retrieval method and system of mobile communication terminal equipped with RFID reader {METHOD FOR RETRIEVING DATA IN A MOBILE COMMUNICATION TERMINAL HAVING A RFID READER AND SYSTEM THEREFOR}             

1 is a configuration diagram of an information retrieval system using radio frequency identification (RFID) according to an embodiment of the present invention;

2A and 2B are flowcharts of a system operation according to an embodiment of the present invention;

3A and 3B are flowcharts of a system operation according to another embodiment of the present invention;

4 is a diagram illustrating a display state of a search result message according to an embodiment of the present invention;

5 is a flowchart illustrating an operation of a control unit of a mobile communication terminal according to an embodiment of the present invention.

The present invention relates to a mobile communication terminal, and more particularly, to an information retrieval method and system for a mobile communication terminal having a radio frequency identification (RFID) reader.

Radio frequency identification (RFID) is a type of contactless identification technology that transmits and processes radio frequency information of objects and surroundings by attaching microchips to objects. The system generally includes RFID tags, antennas, It consists of a reader. The RFID tag has a predetermined memory to store information and communicates wirelessly with a reader through an arbitrary frequency. When the reader detects an RFID tag within a communication range, the reader automatically reads the information stored in the RFID tag and transmits the information to the connected network. RFID tags vary in size and shape from a few millimeters to the size of a credit card, which is largely divided into passive and active. Active tags are implemented with an internal battery, while passive tags are powered by a reader that reads them. The biggest advantage of RFID products is that they are contactless, non-line-of-sight, and the actual implementation is not difficult. The only constraint is the transmission distance, which depends on the power supplied to the system and the operating frequency of the tag. Such RFID systems are used in industries that require tracking and management, and are representative examples of logistics / delivery or transportation cards, and their use is becoming more and more common.

On the other hand, the huge information infrastructure such as the Internet formed by the development of information communication and the combination of computer and communication network provides a lot of random information such as information provided for sharing information as well as commercial purpose. The user wants to be provided with only information selected according to his or her needs from among the unspecified number of information, and the provider who wants to provide the information differentially wants to provide his information. Accordingly, a system for searching and providing information in various ways has been developed. Among them, a method for searching and providing information using a portable mobile communication terminal can be obtained regardless of time and place. Development is active. In addition, the information retrieval method using a mobile communication terminal has the advantage that it can carry the necessary information. However, because of the small size due to the emphasis on portability of the portable mobile communication terminal, there is inconvenience in inputting a search word using a keypad provided in the mobile communication terminal, and it is not easy for a user to set a search condition. In addition, the amount of search information provided is inevitably limited. Accordingly, the user can easily request the provision of necessary information, and the information providers need a way to provide the user with advanced information that is brief and surely included.

It is an object of the present invention to provide a method and system for retrieving information of a convenient mobile communication terminal.

Another object of the present invention is to provide an information retrieval method and system for a mobile communication terminal capable of providing differentiated information.

The present invention for achieving the above object is a mobile communication terminal having a radio frequency identification (RFID) reader to read and transmit the RFID data from any RFID tag according to the RFID data reading and transmission request, and information service When the server receives the RFID data, the server searches for information related to the RFID data among a plurality of previously stored information, classifies the searched information according to one or more preset classification criteria, and selects any search information among the classified search information as representative information. Setting and setting the at least one classification criterion as a sub-menu to construct and transmit a search result message; and receiving and displaying the search result message by the mobile communication terminal, and selecting an arbitrary menu among the sub-menus. Recall a submenu message containing the arbitrary menu when there is an input. And transmitting the search information to the service service server, and when the information service server receives the sub-menu message, sets search information classified according to the classification criteria corresponding to the arbitrary menu as the representative information, and sets the one or more classification criteria. And configuring a search result message by setting the sub-menu and transmitting the search result message to the mobile communication terminal.

In the present invention, when receiving arbitrary RFID data, the information related to the RFID data is searched among a plurality of pre-stored information to classify the searched information according to one or more preset classification criteria to represent arbitrary search information among classified information. Set the information and set the one or more classification criteria as submenus to construct and transmit a search result message, and when a submenu message including any menu among the submenus is received, the classification criteria corresponding to the arbitrary menus are applied. An information service server configured to set search information classified according to the representative information and set the at least one sorting criterion as the sub-menu to form a search result message and transmit the search result message to the mobile communication terminal, and an RFID reader. Any RFID according to RFID data reading and transmission request Read and transmit the arbitrary RFID data from a tag, receive and display the search result message, and if there is an input for selecting an arbitrary menu among the submenus, the submenu message including the arbitrary menu is included in the information service. Characterized in that the mobile communication terminal for transmitting to the server.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that the same components in the drawings are represented by the same reference numerals and symbols as much as possible even though they are shown in different drawings. In addition, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

According to the present invention, when a mobile communication terminal having a radio frequency identification (RFID) reader reads data stored in an RFID tag and transmits the data to an information service server, the information service server searches for information related to the RFID data and transfers the retrieved information. It is provided by the communication terminal.

First, an information retrieval system including a mobile communication terminal having an RFID reader will be described with reference to FIG. 1 is a block diagram of an information retrieval system using RFID according to an embodiment of the present invention. The information retrieval system according to the present invention includes an RFID tag 10, a mobile communication terminal 20, a base station 30, a mobile communication network 40, a gateway 50, an information service server 60, Internet network 70, the information providing management terminal 80, and the home page server (90).

The RFID tag 10 stores data on a tag-installed objection on which the RFID tag 10 is mounted. The data may be an article name of an article, a business name of a specific business or store, personal business card information, or the like, depending on the type of object to be mounted.

The mobile communication terminal 20 includes a control unit 23, a wireless unit 21, an RFID reader (hereinafter referred to as an "RFID reader") 25, a key input unit 27, although not shown And a display device, a memory unit, a baseband processor, a voice processor, and the like. The controller 23 controls overall functional processing of the mobile communication terminal 20, such as a telephone call, data communication, and additional functions in the mobile communication terminal 20. The RFID reader 25 provided according to the embodiment of the present invention reads data of an RFID tag in a transmission / reception range under the control of the controller 23. The key input unit 27 includes menus, selections, calls, clearing, power / end, corresponding to various functions of the numeric keys 0 to 9, *, # keys, direction keys, and the mobile communication terminal. A plurality of function keys such as a volume and a direction key are provided, and key input data corresponding to a key pressed by the user is provided to the controller 23. In accordance with the present invention, an RFID key is provided. When the RFID key input is detected, the controller 23 drives the RFID reader 25 to read data of an RFID tag within a transmission / reception distance. If the RFID key input is maintained for a predetermined time or more, the currently read RFID data is transmitted. The RFID key may be provided as a new dedicated key according to an embodiment of the present invention, or the function may be assigned to any of the conventional keys. The radio unit 21 transmits and receives a radio signal with the mobile communication base station 30 through an antenna. The radio unit 21 modulates a signal to be transmitted from the controller 23 through a baseband processor and transmits a radio signal through the antenna. The demodulated radio signal received through the antenna is provided to the controller 23 through the baseband processor.

The base station 30 communicates with the mobile communication terminal 20 using a wireless section. The base station 30 transmits the signal received from the mobile communication terminal 20 and the location information of the region where the base station 30 is installed as the location information of the mobile communication terminal 20 to the mobile communication network 40, and the mobile communication network. The signal received at 40 is transmitted to the mobile communication terminal 20.

Although not shown, the mobile communication network 40 includes a base station controller, an exchanger, a home location register / visitor location register, a message service center, and the like, and processes and transmits a signal received from the base station 30 to the gateway 50. The signal received from the gateway 50 is transmitted to the base station 30.

The gateway 50 may interconnect with the mobile communication network 40 and the information service server 60 to transmit and receive information with the mobile communication network 40 and the information service server 60.

The information service server 60 provided in accordance with the present invention includes an information management retrieval unit 61 and a database 63. The information service server 60 is connected to the mobile communication network 40 through the gateway 50, and is also connected to the information provision management terminal 80 through the Internet network 70 as shown in FIG. The information provision management terminal 80 is an information requester for providing information or a means for connecting the information requester to the information service server 60 through a mobile communication terminal. Therefore, the information provider and the information requester register arbitrary information or a list of information classification criteria in the information service server 60 through the information provision management terminal 80. The arbitrary information and the list of information classification criteria are stored in the database 63. The arbitrary information is information that an information provider wants to convey to an information requester, and is a database which is the most basic information search in accordance with the present invention. The above arbitrary information varies depending on the type of information provider. For example, if the information provider is a commercial company or a seller, various advertisements, related coupons, product manuals, industry guides in a specific region, and stock information may be used. If the information provider is an individual, it may be personal homepage information, a specific message, or the like.

The list of information classification criteria is a list of criteria necessary for selecting and classifying various information searched in relation to any search word. Thus, the list of information classification criteria is stored in association with one or more search terms. The search word is data stored in the RFID tag 10 in the present invention. For example, when the search word is one kind of alcohol, the list of information classification criteria may be configured as a substitute driving advertisement, a corresponding liquor store, a related coupon, and the like as information classification criteria for information to be searched for alcohol. Therefore, a large number of search information related to alcohol is classified and provided to the information requestor according to the criteria such as a surrogate driving advertisement, a corresponding liquor store, and a related coupon. Such a list of information classification criteria may be determined by an information requestor or an information provider based on a search word.

The information management retrieval unit 61 stores the arbitrary information and a list of information classification criteria to be input in the database 63, retrieves information stored in the database 63 according to an external search request, and retrieves the retrieved information. Is classified according to the information classification criteria list to create a search result message. When searching for information, the information management searching unit 61 searches the RFID tag data as a search word, and according to an embodiment of the present invention, location information of the information requestor, that is, location information of the information requesting mobile communication terminal 20. Also used to search. This affects the search information related to the position among the search information. For example, in the case of the surrogate driving advertisement is to search only the advertisement for the surrogate driving service that can be serviced in the area where the current information request mobile communication terminal 20 is located.

The database 63 stores information provided from an information provider, and stores a list of information classification criteria.

The operation process according to the present invention in the system configured as described above is as follows. First, an information provider and an information requester establish a database 63 of the information service server 60 through the information provision management terminal 80. Thereafter, the mobile communication terminal 20 reads data stored in an arbitrary RFID tag 10 and transmits the data to the information service server 60 through the base station 30, the mobile communication network 40, and the gateway 50. . The information management search unit 61 of the information service server 60 searches the data stored in the database 63 using the received data of the RFID tag 10 as a search word and searches the search information according to the information classification criteria list. Classify. The information management search unit 61 determines the priority of the searched information, sets the search information of the highest priority as the representative information, and sets a list of classification criteria for the remaining search information as a sub menu to form a search result message. To the mobile communication terminal 20. The mobile communication terminal 20 displays the received search result message and transmits a text message for the selected submenu to the information service server 60 when the user selects the submenu. The information service server 60 receiving the text message for the submenu sets search information according to the classification criteria corresponding to the submenu as representative information, and sets the information classification criteria list composed of the remaining classification criteria as the submenu. Transmission to the mobile communication terminal 20. As such, the mobile communication terminal 20 may obtain desired information through bidirectional communication with the information service server 60.

This operation process is illustrated in Figures 2a and 2b. 2A and 2B are flowcharts of a system operation according to an embodiment of the present invention. In step 101, the information provision management terminal 80 prepares a list of information classification criteria according to the input of the information provider or the information requester, and proceeds to step 103. For example, if the list of information classification criteria related to a vehicle, the classification criteria may be a stock shop, a gas station, a parking lot, and stock information of a related company. In step 103, the information provision management terminal 80 transmits the information classification criteria list prepared by the information service server 60. In step 105, the information service server 60 stores the received information classification criteria list. Thereafter, in step 107, the information provision management terminal 80 creates arbitrary information according to the input of the information provider and proceeds to step 109. The arbitrary information may be, for example, an advertisement for a specific workshop or an advertisement for a gas station. Alternatively, the above arbitrary information may be car management tips. In step 109, the information provision management terminal 80 transmits the created arbitrary information to the information service server 60. The information service server 60 stores the information received in step 111. The database 63 of the information service server 60 is constructed by repeating steps 101 to 111 described above.

On the other hand, in step 113, the information request mobile communication terminal 20 proceeds to step 115 when receiving a request to read and transmit the RFID data. The data reading and transmission request is made by an RFID key input provided in the mobile communication terminal 20 according to the embodiment of the present invention. In step 115, the mobile communication terminal 20 drives the RFID reader 25 to read RFID data from the RFID tag 10. The RFID tag 10 may store various data according to the mounting target. Hereinafter, in the description of the embodiment of the present invention, it is assumed that the mounting target is a vehicle and the RFID data is a name of a vehicle. In step 117, the mobile communication terminal 20 transmits the RFID data to the base station 30. The base station 30 transmits the received RFID data and location information of the region where the base station 30 is installed as the location information of the mobile communication terminal 20 to the information service server 60. Upon receiving the RFID data and the location information, the information service server 60 searches for the related information using the RFID data as a search word in step 121, classifies the searched information according to the pre-stored information classification criteria list with respect to the RFID day, and Go to step 123. For example, when the RFID data is a name of a car, the car searches for information stored in the database 63 using the name as a search word. The search information is classified based on the vehicle information classification list, that is, a stock shop, a gas station, a parking lot, and stock information of a related company. In this case, information related to location information, for example, information regarding a repair shop or a gas station in an area where the current information request mobile communication terminal 20 is located, is classified and searched with reference to the location information. In step 123, the information service server 60 determines the priority of the classified search information, sets the search information of the highest priority as the representative information, sets the classification criteria for the remaining search information as a sub menu, and configures a search result message. Proceeds to A, and proceeds to step 125 of Figure 2b. In this case, the priority may be the same as the order of the previously stored information classification criteria list, or may be a priority determined according to the frequency of use of the specific classification criteria of the information requesting mobile communication terminal 10. In step 125, the information service server 60 transmits a search result message to the information requesting mobile communication terminal 20. At this time, the search result message is transmitted in the form of a message service of the mobile communication system according to an embodiment of the present invention. The search result message is composed of one of a short message, a long message and a multimedia message according to a length. The information request mobile communication terminal 20 receiving the search result message displays the received search result message, detects a submenu selection input, and proceeds to step 129. The search result message may be configured as shown in FIG. 4 is a diagram illustrating a display state of a search result message according to an embodiment of the present invention. Referring to FIG. 4, the first display screen 310 is an example of a search result message including search information related to a vehicle when the RFID tag 10 is mounted on a vehicle and the RFID data is a name of a vehicle. When the display is shown the screen of the information request mobile communication terminal 20. The representative information 311 is information classified according to the repair shop that is the first classification criterion among the vehicle information classification criterion list, and advertisements of the repair shop such as “00 proxy driving, 012-345-5678” are displayed. The sub-menu 313 indicates the remaining classification criteria excluding the classification criteria of the information set as the representative information 311 in the vehicle information classification criteria, that is, "1. gas station 2. parking lot 3. stock information ... And the like are configured as sub menus and displayed. The information requester can check the representative information 311 displayed as described above or the non-displayed portions of the sub menu 313 by using the direction key of the mobile communication terminal 20. When the information requester makes an input for selecting one of the sub-menus 313, for example, when the user selects “1. gas station”, the information requesting mobile communication terminal 20 selects the selected sub-menu 313. Write a text message corresponding to) and transmits it to the information service server (60).

2B, the information requesting mobile communication terminal 20 transmits the submenu message selected in step 127 to the information service server 60 in step 129. The information service server 60 configures the search information and the submenu corresponding to the submenu as the search result message and proceeds to step 133. As in the above example, the search information classified based on the "gas station" is set as the representative information, and the remaining classification criteria are set in the submenu. In step 133, the information service server 60 transmits a search result message to the information requesting mobile communication terminal 20. By repeating the above steps 125 to 133, it is possible to receive a variety of information searched by the search term "car".

In another embodiment according to the present invention, the personal homepage information or the specific messages registered by the individual in the information service server 60 may be configured to search through the mobile communication terminal. This is possible by interworking with the homepage server 90 which provides a personal homepage on the web and the information processing server 60, or by registering a personal message by an individual through the information provision management terminal 80. The homepage server 90 transmits the updated homepage information to the information service server 60 when any homepage registered in the homepage server 90 is updated. The information service server 60 stores the updated homepage information corresponding to personal RFID data according to previously stored homepage information simplification criteria. The homepage information simplification criterion is a criterion when extracting a part of the homepage information in order to store only the homepage information in the service server 60 instead of the entire homepage information. The homepage simplification criterion is set by the homepage user. For example, the homepage simplification criteria may be titles of files registered in each bulletin board constituting the homepage. In this case, it may be a portion of text data. The personal RFID data relates to personal information of an individual, such as personal business card information. In the second embodiment of the present invention, the representative information and the sub-menu of the search result message are determined by the setting of the homepage user, and the most recently updated homepage information among the updated homepage information may be set as the representative information. In addition, each bulletin board constituting the homepage may be set as a submenu. Alternatively, only the personal message may be configured to configure search information without a submenu. Hereinafter, a process of searching homepage information using RFID data will be described with reference to FIGS. 3A and 3B. 3A and 3B are flowcharts of a system operation according to another embodiment of the present invention. Referring to FIG. 3A, the information service server 60 stores the homepage simplifying criteria set by the homepage user in step 201. The storing process of the homepage simplifying criteria is similar to the storing process of the information classification criteria of FIG. 2A. In step 203, the information provision management terminal 80 creates homepage information according to a user input in step 203 and proceeds to step 205. In step 205, the information provision management terminal 80 transmits the personal homepage information to the homepage server 90. The homepage server 90 stores the homepage information received in step 207 and proceeds to step 209. In step 209, the homepage server 90 transmits homepage update information. In step 211, the information service server 60 receiving the homepage update information stores the homepage information according to the homepage information simplification criteria.

Thereafter, the information requesting mobile communication terminal 20 proceeds to step 215 if there is a request for reading and transmitting RFID data in step 213. In step 215, the information requesting mobile communication terminal 20 reads RFID data information from the RFID tag 10 and proceeds to step 217. In the second embodiment of the present invention, the RFID tag 10 stores personally identifiable personal information, and the mounting target may be a personal business card or the like. In step 217, the information request mobile communication terminal 20 transmits RFID data to the base station 30, and transmits the RFID data and the location information to the information service server 60. In step 219, the information service server 60 that has received the RFID data and the location information confirms that it is personal RFID data and proceeds to step 221. In step 221, the information service server 60 searches for homepage information corresponding to the RFID data and proceeds to step 223. In step 223, the information server server 60 configures the personal home page information and the homepage menu list as a search result message and proceeds to step B, and proceeds to step 225 of FIG. 3B. In step 225, the information service server 60 transmits the search result message to the information request mobile communication terminal 20 through the base station 30 through the message service. Upon receiving the search result message, the information request mobile communication terminal 20 displays the received search result message and monitors the homepage menu selection input. An example of the display state of the search result message is the same as the second display screen 330 of FIG. 4. Referring to FIG. 4, the representative information 311 of the second display screen 330 is the latest updated homepage information. The name of the bulletin board in which the recently updated file such as "guestbook" is registered and the "homepage well-watched." The sub menu 213 is composed of a list of bulletin boards constituting the homepage, such as "1 photo book 2. Information board 3 ...".

3B, in step 229, the information requesting mobile communication terminal 20 transmits the selected homepage menu message to the information service server 60. The information service server 60 configures a search result message with the homepage information corresponding to the homepage menu received in step 231 and the remaining homepage menus, and proceeds to step 233. In step 223, the information service server 60 transmits the search result message to the information requesting mobile communication terminal 20.

If the homepage information related to the personal RFID data does not exist in the information service server 60, and only the relevant personal message exists in the information service server 60, the information service server 60 sends the personal message. Only the search result message is configured and transmitted to the information request mobile communication terminal (20). The information request mobile communication terminal 20 displays the received search result message as shown in the third display screen 330 of FIG.

An operation process of the mobile communication terminal 20 for requesting information retrieval and receiving the retrieved information will be described with reference to FIG. 5. 5 is a flowchart illustrating an operation of the controller 23 of the mobile communication terminal 20 according to an embodiment of the present invention. As shown in FIG. 5, the controller 23 checks whether an RFID data read transmission key is input from the user in step 401, and proceeds to step 403 when an input of the RFID data read transmission key is detected. In step 403, the controller 23 checks whether the RFID tag 10 is within a readable range, and if the RFID tag 10 is within a readable range, the controller 23 proceeds to step 405. If it does not exist, go to step 417. In step 417, the controller 23 displays the RFID data read impossible message and proceeds to step 401. In step 405, the controller 23 checks whether the input of the RFID data read transmission key is maintained for a predetermined time or more. The controller 23 proceeds to step 407 if the RFID data read transmission key is input for a predetermined time or more as a result of the inspection. If it is not input for more than the predetermined time, go to step 419. In step 407, the controller 23 reads RFID data from the RFID tag 10 and transmits the RFID data to the information service server 60. Thereafter, in step 409, if the information search result message is received, the controller 23 proceeds to step 411. If the search result message is not received, the controller 23 ends the operation process. In step 411, the controller 23 displays and stores the received search result message and proceeds to step 413. In step 413, if there is an input for selecting an arbitrary submenu from the user, the controller 23 proceeds to step 415. If there is no input for selecting an arbitrary submenu, the controller 23 ends the operation process. In step 415, the control unit 23 transmits a message for the selected submenu, and proceeds to step 409 to repeat steps 409 to 415 to search for information stored in the information service server 60.

On the other hand, in step 405, the control unit 23 proceeds to step 419 because the input of the RFID data read transmission key has not been maintained for more than a predetermined time, and reads and stores the RFID data. That is, when the RFID data read transmission key is input for a predetermined time or more, information stored in the RFID tag 10 is read and immediately transmitted, but when the input of the RFID data read transmission key is not maintained for a predetermined time, the RFID tag is read. It simply reads out information from (10) and stores it. In step 421, if the controller 23 detects a data transmission request for any stored RFID, the controller 23 proceeds to step 423. If there is no data transmission request, the controller 23 proceeds to C to terminate the operation process. In step 423, the controller 23 transmits arbitrary RFID information data and proceeds to step 409. At this time, if any RFID data stored in the step 421 is required to be transmitted to the information service server 60, the controller 23 repeats the steps 409 to 415, the retrieved from the information service server 60 Receive information. If any RFID data stored in step 421 is not required to be transmitted to the information service server 60, the RFID data is transmitted to another mobile communication terminal. In other words, the controller 23 reads the RFID data and transmits the RFID data to another mobile communication terminal, thereby sharing the RFID data with the other mobile communication terminal.

As described above, when the mobile communication terminal 20 having the RFID reader 25 reads out the data stored in the RFID tag 10 and transmits the data to the information service server 60, the information service server 60 transmits the data to the information service server 60. By searching for information related to the RFID data and providing the searched information to the mobile communication terminal, the user can search for the desired information, and transmits the RFID data read by the mobile communication terminal 20 to another mobile communication terminal. RFID data can be shared.

In the above description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be determined by the equivalent of claims and claims.

As described above, in the present invention, when a mobile communication terminal having a radio frequency identification (RFID) reader reads data stored in an RFID tag and transmits the data to an information service server, the information service server searches for information related to the RFID data in advance. By classifying the searched information according to a set criterion and providing the information to the mobile communication terminal, the user can conveniently search for the desired information, and by transmitting the RFID data read by the mobile communication terminal to another mobile communication terminal, Can share.

Claims (10)

An information retrieval method of a mobile communication terminal having a radio frequency identification (RFID) reader, A first step of the mobile communication terminal reading and transmitting the RFID data from an arbitrary RFID tag according to the RFID data reading and transmission request; When the information service server receives the RFID data, the information service server searches for information related to the RFID data among a plurality of stored information, classifies the searched related information according to one or more preset criteria, and represents any information among the classified search information. And a second process of constructing a search result message by setting the information and transmitting the search result message to the mobile communication terminal. The method of claim 1, wherein the first step comprises the steps of: detecting, by the mobile communication terminal, whether an RFID data read transmission key input is maintained for a predetermined time or more; If the RFID data read transmission key input is maintained for a predetermined time or more, reading the RFID data from an RFID tag within a range capable of transmitting and receiving the RFID and transmitting the RFID data to the information service server;   And reading and storing the RFID data from an RFID tag existing within an RFID transmit / receive distance if the RFID data read transmission key input is kept below a predetermined time. The method of claim 1, wherein the second process comprises: retrieving information related to the RFID data from a plurality of previously stored information when the information service server receives the RFID data; Classifying the searched information according to one or more preset criteria, setting any search information among the classified search information as representative information, and configuring the search result message by setting the one or more criteria as a sub menu; And transmitting the search result message to the mobile communication terminal. The method of claim 1, further comprising: a third step of requesting transmission of another search result message related to the RFID data by the mobile communication terminal receiving the search result message; And the fourth process of the information service server constructing the other search result message and transmitting the message to the mobile communication terminal according to the request for transmitting the other search result message. The method of claim 4, wherein the third process comprises the steps of: receiving, by the mobile communication terminal, the search result message and displaying representative information and a submenu constituting the search result message; And if there is an input for selecting an arbitrary menu among the submenus, transmitting a submenu message including the selected menu to the information service server. The method as claimed in claim 2, further comprising the step of: transmitting the arbitrary RFID data to the counterpart terminal set by the user when there is any RFID data transmission request stored by the user. An information retrieval method of a mobile communication terminal having a radio frequency identification (RFID) reader, Reading and transmitting the RFID data from an arbitrary RFID tag by the mobile communication terminal according to the RFID data reading and transmission request; When the information service server receives the RFID data, the information service server searches for information related to the RFID data among a plurality of prestored information, classifies the searched information according to one or more preset classification criteria, and represents arbitrary search information among the classified search information. Setting information and setting the at least one classification criterion as a sub-menu to construct and transmit a search result message; Receiving and displaying the search result message by the mobile communication terminal, and if there is an input for selecting an arbitrary menu among the submenus, transmitting a submenu message including the optional menu to the information service server; When the information service server receives the sub-menu message, the search information classified according to the classification criteria corresponding to the arbitrary menu is set as the representative information, and the search result message is set by setting the one or more classification criteria as the sub-menu. Comprising a process comprising the step of transmitting to the mobile communication terminal. An information retrieval method of a mobile communication terminal having a radio frequency identification (RFID) reader, Reading and transmitting the RFID data from an arbitrary RFID tag by the mobile communication terminal according to the RFID data reading and transmission request; If the RFID data received by the information service server is RFID data for personal information, the homepage server receives and retrieves homepage information related to the RFID data from a plurality of previously stored homepage information, and the most recently updated homepage information of the searched homepage information. Setting the information as the representative information, setting the names of the bulletin boards constituting the homepage as a sub menu, composing and transmitting a search result message; Receiving and displaying the search result message by the mobile communication terminal, and if there is an input for selecting an arbitrary menu among the submenus, transmitting a submenu message including the optional menu to the information service server; When the information service server receives the sub-menu message, the most recent update information of the bulletin board corresponding to the arbitrary menu is set as the representative information, and the name of the bulletin boards constituting the homepage is set as the sub-menu. Comprising the process of transmitting and configuring. An information retrieval method of a mobile communication terminal having a radio frequency identification (RFID) reader, Reading and transmitting the RFID data from an arbitrary RFID tag by the mobile communication terminal according to the RFID data reading and transmission request; If the received RFID data is RFID data for personal information, the information service server searches for a personal message related to the RFID data among a plurality of personal messages registered in advance, and sorts and sorts the retrieved personal message according to one or more preset criteria. Configuring and transmitting a search result message by setting any information of the personal messages as representative information; And receiving and displaying the search result message by the mobile communication terminal. In the information retrieval system of a mobile communication terminal having a RFID (Radio frequency identification) reader, Receiving arbitrary RFID data, the information related to the RFID data is searched among a plurality of stored information, and the searched information is classified according to one or more preset classification criteria, and any search information among the classified search information is set as representative information. Set the at least one classification criterion as a sub-menu to construct and transmit a search result message, and when a sub-menu message including any of the sub-menus is received, the search is classified according to the classification criteria corresponding to the arbitrary menu. An information service server for setting information as the representative information and setting the at least one classification criterion as the sub-menu to construct a search result message and to transmit the information to the mobile communication terminal; According to the RFID data reading and transmission request, the arbitrary RFID data is read and transmitted from an arbitrary RFID tag, the search result message is received and displayed, and if there is an input for selecting an arbitrary menu among the submenus, the arbitrary And the mobile communication terminal for transmitting a sub-menu message including a menu to the information service server.

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