KR101349700B1 - Method for messaging service, storage medium recording program and device therefor - Google Patents

Abstract

The present invention provides a messaging service that can enhance user convenience while minimizing exposure of personal information by selectively exposing information of conversation participants in accordance with user input when displaying a chat window for outputting messages transmitted and received between users. The present invention relates to a recording medium and a terminal recording a program therefor, by default exposing basic information related to a chat window in a title information display area set in a predetermined area of a chat window output through a display unit of a terminal, and preset user input through an input unit. If detected, the title information display area may be modified to selectively display information related to one or more participants who participated in the conversation, thereby minimizing exposure of participants' personal information and improving user convenience.

Description

Method for messaging service, storage medium recording program and device therefor}

The present invention relates to a messaging service that supports text conversation between two or more users, and more particularly, when displaying a chat window for outputting a message sent and received between users, by selectively exposing the information of the chat participants according to the user input. The present invention relates to a messaging service providing method capable of improving user convenience while minimizing exposure of personal information, and a recording medium and a terminal recording a program therefor.

2. Description of the Related Art [0002] With the rapid development of information communication technologies, various types of terminals such as mobile communication terminals, personal computers, and the like have been implemented to perform various functions.

For example, the mobile communication terminal may be provided with various functions such as data communication, photographing or movie shooting using a camera, music or moving picture file playback, game, and broadcasting viewing. .

Technological developments for increasing the functions that can be performed on such terminals have been continuously carried out, and they have been continuously carried out mainly in hardware improvement technology and software improvement technology.

In recent years, the frequency of use of a messaging service capable of proceeding with a text conversation has been continuously increasing by transmitting and receiving a message with a large number of users after accessing a communication network using such a terminal.

Such a messaging service may support one or more multiparty group conversations as well as 1: 1 conversations.

However, since the multi-party group conversation is for three or more users to exchange text messages with each other, when a specific user wants to check other participants, it is difficult to inform who is participating as the number of participants increases.

Korean Laid-Open Patent Publication No. 10-2012-0085559, August 2012 Disclosure (Name: Method of providing a user interface of the mobile communication terminal and its mobile communication terminal)

Accordingly, the present invention provides a messaging service, when executing a messenger program in the terminal to display a chat window for outputting messages transmitted and received between users, by selectively exposing the information of the participants in the conversation in accordance with the user input, The present invention provides a messaging service providing method, a recording medium recording a program therefor, and a terminal capable of improving user convenience while minimizing exposure.

Particularly, the present invention exposes basic information related to a chat window to a title information display area set in a predetermined area of a chat window output through a display unit of a terminal by default, and if a preset user input is detected through an input unit, the title information display area. And, by selectively displaying the information related to one or more participants participating in the conversation, a method of providing a messaging service that can improve user convenience while minimizing the exposure of participants' personal information, and a recording medium recording a program therefor; To provide a terminal.

The present invention provides a means for solving the above problems, an input unit for a user input associated with a messaging service for transmitting and receiving messages with one or more other terminals; A display unit for outputting a user interface screen according to execution of a messaging service; And displaying a chat window for outputting a message transmitted or received with one or more other terminals, which is functionally connected to the input unit and the display unit, and displays only basic information on the chat window, and for participants who participated in the chat according to a preset user input. And a controller for controlling to display the detailed information selectively, wherein the detailed information includes participant status information indicating a status of participants participating in a conversation.

Here, the basic information may include one or more of dialog division information for distinguishing a chat window and the number of participants participating in the conversation, and the detailed information may include one of a character, an icon, an avatar, and a picture set for each participant who participated in the conversation. Participant image information including the above may further include at least one of a participant classification information representing at least one of a nickname, nickname, name, initials, alias, nickname, nickname, and pen name set for each participant.

In addition, the participant status information may include at least one of message confirmation display information indicating whether the participant terminal has recognized the message confirmation of the participant, and message input display information indicating that the participant terminal is receiving a message.

In the terminal according to the present invention, the control unit controls to change the participant identification information of the specific participant to a character indicating the message confirmation, or if the message of the participant is recognized in the terminal of the specific participant, When receiving input, control to change the participant identification information of the specific participant to a character indicating that a message is being input, or when receiving a message from a terminal of a specific participant, in a participant image information of the specific participant, wave, shake, A special effect including one or more of the blinks can be given to control the expression of the participant's state.

Herein, the character indicating the message confirmation may be 'waiting', and the character indicating that the message is being input may be 'input'.

In the terminal according to an embodiment of the present disclosure, the control unit matches and displays participant image information and the participant classification information as detailed information, and displays participant image information or participant classification information according to the state of each participant associated with a chat window. You can change the status information.

In the terminal according to an embodiment of the present disclosure, the control unit may set a specific area of the screen of the chat window as the title information display area, and display basic information in the title information display area, and the title information display area may be associated with a messenger service. One or more menu items may be further displayed to perform other functions.

In the terminal according to an embodiment of the present disclosure, the control unit may further display one or more state change icons for changing the state of the title information display area, wherein the preset user input is one of the one or more state change icons. Can be user input to select.

In addition, the at least one state change icon may include only basic information in the title information display area, a first icon for maximizing and displaying a message display area for displaying a message transmitted and received between participants, and a second icon for displaying detailed information of a chat participant. One or more of a second icon and a third icon for displaying menu items corresponding to one or more functions available in a chat window.

In the terminal according to the embodiment of the present disclosure, the controller may expand the title information display area and display detailed information in the extended title information display area according to a preset user input.

In this case, the title information display area may include a metaphor mark indicating that the title information display area may be changed according to a user input.

The preset user input for displaying detailed information of the participant is one of single touch, multi-touch, pan, swipe, scroll, and flick based on the title information display area. It may be a touch input including the above.

In addition, in the terminal according to the embodiment of the present disclosure, the controller may maintain the extended state of the title information display area only while the user input is continued and only for a preset time.

In addition, the present invention is another means for solving the above problems, the terminal comprising the steps of activating and displaying a chat window for outputting a message transmitted and received with one or more other terminals; Displaying basic information about a chat window in a title information display area set in a predetermined area of an activated chat window; Checking a preset user input; And when the preset user input is detected, expanding the title information display area to display detailed information on the participants who participated in the conversation, wherein the detailed information includes participant status information indicating the status of the participants who participated in the conversation. It provides a messaging service providing method comprising a.

In the messaging service providing method according to an exemplary embodiment of the present invention, the title information display area may further include a metaphor mark indicating that the title information display area may be changed according to a user input.

The method of providing a messaging service according to an embodiment of the present invention may further include displaying one or more state change icons for changing a state of a title information display area in a predetermined area of a chat window, and the preset user input may be one or more. And a user input for selecting one of the state change icons.

In addition, the method for providing a messaging service according to an embodiment of the present disclosure further includes displaying a menu item corresponding to one or more functions available in the chat window by expanding a title information display area according to a preset user input. It may include.

In the messaging service providing method according to an embodiment of the present invention, the displaying of the detailed information may be performed only while the preset user input is maintained or only during a preset time after the preset user input is detected.

In the method of providing a messaging service according to the present invention, the detailed information includes participant image information including at least one of a character, an icon, an avatar, and a picture set for each participant participating in the conversation, and an alias, nickname, and name set for each participant. It may further include at least one of the participant identification information indicating one or more of the initial, alias, nickname, name, pen name.

In addition, in the messaging service providing method according to an embodiment of the present invention, the step of displaying the detailed information, matching and displaying the participant image information and the participant classification information; Checking the status of each participant; According to the confirmed status of each participant, changing the participant classification information or participant image information to participant status information indicating the participant status may be performed.

In the method of providing a messaging service according to the present invention, the participant status information includes one of message acknowledgment indication information indicating whether the participant terminal recognizes the acknowledgment of the participant and message input indication information indicating that the participant terminal is receiving a message. It may include the above, and may also be expressed by at least one of a special effect including at least one of vibration, shaking, and blinking, a character representing a participant's state.

In addition, the present invention can further provide a computer readable recording medium having recorded thereon a program for executing the above-described method of providing a messaging service.

The present invention is to selectively expose the information of the participants of the conversation in accordance with the user input when executing a messenger program to display a chat window for outputting messages transmitted and received between users, in particular, title information set in a predetermined area of the chat window By default the basic information related to the chat window in the display area, and if a preset user input is detected through the input unit, by modifying the title information display area, by selectively displaying information related to one or more participants participating in the conversation In addition, by selectively exposing the participants' information only when a user input occurs, it is possible to minimize the exposure of personal information.

In addition, the present invention exposes the participants' information through expansion of the title information display area set in a predetermined area of the chat window according to a preset user input, for example, a touch input, and if the user input is released, the title information display area of the original size is released. By returning only the basic information, there is an excellent effect of efficiently providing participant information in a limited size chat window.

In addition, the present invention further displays a metaphor marker indicating that the title information display area may be changed according to a user input, and further includes a single touch, a multi-touch, a pan, a swipe, and a scroll. According to a user input corresponding to at least one of Flick, the title information display area is temporarily extended to expose participant information, thereby improving user accessibility.

1 is a schematic structural diagram of a messaging service system according to an exemplary embodiment of the present invention.
2 is a block diagram showing a main configuration of a terminal according to an embodiment of the present invention.
3 is a flowchart illustrating a messaging service providing method of a terminal according to an exemplary embodiment of the present invention.
4 is a flowchart illustrating a process of displaying detailed information of a participant in a method of providing a messaging service according to an embodiment of the present invention.
5 is a flowchart illustrating a process of providing status information as detailed information of a participant in a method of providing a messaging service according to an embodiment of the present invention.
6 and 7 are exemplary views showing an implementation example of the chat window screen according to the messaging service providing method of the present invention.
8 is a view illustrating a process of displaying status information of a participant in a method of providing a messaging service according to the present invention.
9 is a flowchart illustrating a messaging service providing method according to another embodiment of the present invention.
10 to 12 are exemplary diagrams showing an example of implementing a chat screen according to another exemplary embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description and the accompanying drawings, detailed description of well-known functions or constructions that may obscure the subject matter of the present invention will be omitted. This is to omit the unnecessary description so as to convey the key of the present invention more clearly without fading. It should be noted that the same constituent elements are denoted by the same reference numerals as possible throughout the drawings.

In addition, the terminal of the present invention can be implemented in various forms. For example, the terminal described in the present specification may be a mobile terminal such as a smart phone, a tablet PC, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), an MP3 player, (Smart TV), a desktop computer, or the like can be used. Any device capable of transmitting / receiving a message to / from another user through a communication network can be applied to the terminal of the present invention.

1 is a schematic structural diagram of a messaging service system according to an exemplary embodiment of the present invention.

Referring to FIG. 1, the messaging service system 100 according to an exemplary embodiment of the present invention may include a plurality of terminals 10, a service device 20, and a communication network 30.

First, the plurality of terminals 10 are devices that can provide a messaging service that can send and receive instant messages with one or more other terminals or share content such as video, photos, and audio, respectively. The plurality of terminals 10 may install a messenger program and provide a messaging service to a user through execution of the messenger program. Here, the messenger program may be one or more of a content transmission function such as creation of an instant message, transmission / reception of an instant message with one or more counterpart terminals, display of an instant message transmitted / received with one or more counterpart terminals, . ≪ / RTI > Such a messenger program communicates with another terminal connected through a peer-to-peer method through a stand-alone operation to provide a messaging service, or is implemented in the form of a client program of a server to interwork with a service device 20 that provides a messaging service. It can be implemented to provide a messaging service through. In addition, the messenger program may be provided to the terminal 10 through an application providing device (for example, an app store) that provides various applications to the service device 20 or the terminal 10.

In an embodiment of the present invention, a description will be given based on a state in which a messenger program is provided in the plurality of terminals 10. However, the present invention is not limited thereto, and the terminal 10 is connected to the service device 20 to provide a cloud computing infrastructure. You can also use a messenger program.

In addition, the plurality of terminals 10 may be connected to the service device 20 to receive a server-based instant messaging service. In this case, the messenger programs of the plurality of terminals 10 may be replaced with a web browser.

The terminal 10 may execute a messenger program and display a messenger program execution screen (eg, an initial screen, a menu screen, a chat screen, and the like). Here, the messenger program may be executed according to a request of the user or may be executed upon occurrence of a specific event. The instant messenger program of the terminal 10 can be executed when a specific event occurs, such as when a message is received from the other party or when specific information is received from the service device 20. [ For example, the terminal 10 executes a messenger program to provide a user with an initial screen or menu screen of a messenger, and when the user requests a conversation with one or more other users on the initial screen or menu screen, the user And output a chat window screen for a chat group in which at least one other user is registered as a participant, and output a message exchanged between the user and at least one other user through the chat window screen. The message may include one or more of text, photo, music, video, and URL information.

Particularly, in the present invention, when the terminal 10 displays a chat window for outputting a message transmitted or received with one or more other terminals, the terminal 10 displays only basic information on the chat window and participates in the chat according to a preset user input. It is possible to selectively display detailed information about the fields.

Here, the basic information is information related to the chat window, that is, the chat group, and means information that does not include personal information of the chat participants. The basic information may include one or more of a chat window, that is, chat window division information for distinguishing a chat group, and the number of participants participating in the chat. The chat window classification information may be set by a user of the terminal 10 or a user who originally requested the chat, and may be, for example, a chat group name, a chat window name, a meeting name, and the like.

The detailed information may include personal information as information related to the participants who participated in the conversation. For example, the detailed information may include participant image information including at least one of a character, an icon, an avatar, and a picture set for each participant who participated in the conversation, a nickname, nickname, name, initials, alias, nickname, nickname, Participant classification information indicating one or more of the pen names, and may include one or more of the participant status information indicating the status of the participants for the chat window for each participant. Participant image information and participant classification information included in the detailed information may be used by extracting information stored in the address book inside the terminal 10. In particular, the participant status information may include, for example, message confirmation display information indicating whether the participant terminal participating in the conversation recognizes the message confirmation of the participant, and the message input display information indicating that the participant terminal is receiving a message. It may include one or more of, and may be represented by at least one of special effects, including at least one of vibration, shaking, flashing, characters representing the state of the participant.

Next, the service device 20 is a server device of a service provider for providing a messaging service by interworking with the messenger program of the terminal 10. The service device 20 basically transmits a message between a plurality of terminals 10, manages a user, Perform acquaintance management. For example, the service device 20 sets up a conversation group in which two or more terminals 10 are registered as participants in response to a request from the terminal 10, and from the specific terminal 10 included in the conversation group. The transmitted instant message may be transferred to another terminal 10 included in the conversation group. In addition, the service device 20 may transmit various contents such as a picture, a video, and an audio transmitted from the specific terminal 10 included in the conversation group to another terminal included in the conversation group.

In addition, the service device 20 may provide a storage space capable of providing various information generated through a messenger program of the plurality of terminals 10 to the terminal 10 in a cloud service manner. That is, by storing and managing a message or content exchanged between two or more users participating in the conversation group, the user can play a role of a life DB of the user.

Therefore, the user of the terminal 10 can check the message or content that he / she exchanged with the other party by accessing the service device 20. In this case, the access may include a process of performing a separate login or the like to the service device 20 through the terminal 10. It may also include a process of automatically connecting to the service device 20 even if the procedure such as login.

Alternatively, a message or content transmitted and received through a messaging service may be simultaneously stored in the terminal 10 and the service device 20, and only a specific message or specific content may be stored in the service device 20 according to a user's selection. .

In addition, the service device 20 divides subscribed users by user identifiers and provides status, reception mode, message recipient list and subscriber for each subscribed user, in order to provide messaging services to a plurality of terminals 10. It is possible to manage environment information, a chat session for message transfer between on-line users, that is, messenger setting information including a chat channel. To this end, the service device 20 may perform a Session Initiation Protocol (SIP) call processing and a Message Session Relay Protocol (MSRP) relay function.

In particular, in the present invention, the service device 20 manages basic information on a conversation group generated according to a request of a specific terminal among a plurality of terminals 10 and detailed information of participants participating in the conversation group. Basic information and detailed information may be provided to the plurality of terminals 10.

Such a service device 20 may be implemented as a collection of various devices to support the operation as described above. For example, a database server capable of storing and managing various related information, a file server for file processing, a push server capable of automatically pushing relevant information to the terminal 10, and the like.

In addition, various servers can be implemented according to the system design method. In addition, the function corresponding to the server may be implemented in one service apparatus 20 as one module.

A plurality of terminals 10 and service apparatuses 20 according to an embodiment of the present invention transmit and receive various information related to each other through the communication network 30. The communication network 30 at this time uses various types of communication networks .

For example, wireless communication methods such as 3G wireless communication, 4th generation mobile communication, WLAN (Wireless LAN), Wi-Fi, WiBro, Wimax, HSDPA (High Speed Downlink Packet Access) (Ethernet), xDSL (ADSL, VDSL), Hybrid Fiber Coaxial Cable (HFC), Fiber to the Curb (FTTC), and Fiber To The Home (FTTH) There is also water. In addition to the above-described communication methods, other widely known or later-developed communication methods may be included.

Hereinafter, the main configuration and operation method of the terminal 10 according to the embodiment of the present invention will be described.

2 is a block diagram showing a main configuration of a terminal 10 according to an embodiment of the present invention. The main configuration of the terminal 10 shown in FIG. 2 shows elements that are functionally distinguished, and they may be physically integrated with each other.

Referring to FIG. 2, the terminal 10 according to an exemplary embodiment of the present invention includes a communication unit 11, an input unit 12, a control unit 13, a storage unit 14, and a display unit 15. Can be.

Here, the communication unit 11, the input unit 12, the control unit 13, the storage unit 14, and the display unit 15 are mutually functionally connected as shown in FIG. 2 to perform a function described in the present invention. do.

In more detail with respect to each component, the communication unit 11 serves to support the transmission and reception of related information with the service device 20 and / or one or more other terminals.

For example, the communication unit 11 may transmit a message input from the user to one or more other terminals participating in the corresponding conversation through the chat window screen of the messenger program, and receive the message transmitted from the one or more other terminals. Here, the transmission and reception of the message may be made through the service device 20.

In addition, the communication unit 11 may transmit various request messages related to the generated messaging service according to the user input to the service device 20 or another terminal. In addition, the communication unit 11 may receive the instant messaging related information from the service device 20.

In particular, the communication unit 11 may receive basic information of a chat window corresponding to a specific conversation group and detailed information of one or more participants who participate in the conversation group from the service device 20.

The input unit 12 transmits various signals such as numbers and character information input from the user, various functions, and signals inputted in relation to the function control of the terminal 10 to the control unit 13. In the present invention, the input unit 12 may transmit the user input related to the instant messaging function to the control unit 13. Specifically, the user input related to the instant messaging function may include a user input for selecting a chat function and a user input for displaying detailed information in a chat window.

The input unit 12 includes at least one of a key input means such as a keyboard and a keypad, a touch input means such as a touch sensor or a touch pad, a voice input means, a gyro sensor, a geomagnetic sensor, an acceleration sensor and a proximity sensor, And gesture input means made up of a plurality of gesture input means, and may include any type of input means currently being developed or developed in the future. Accordingly, the user input related to the instant messaging function may be in various forms such as a mouse input such as a click, a key input, a flick, a swipe, a flick, a single touch, a touch input such as a multi touch, a voice input, a gesture input, and the like. . In particular, in an embodiment of the present disclosure, the input unit 12 is a preset user input for displaying detailed information of participants in a chat window, and includes a single touch, a multi touch, a pan, a swipe, and a scroll. ) And a touch input including at least one of Flick may be detected and notified to the controller 13.

The controller 13 performs overall control of the terminal 10. For example, the controller 13 controls the flow of signals for supplying power to each component constituting the terminal 10 and performing a function. The control unit 13 may include an operating system (OS), an application program, and a process unit for driving each configuration, for example, a central processing unit (CPU).

In particular, the control unit 13 according to an embodiment of the present invention may execute the messenger program 14a stored in the storage unit 14 and control execution of various functions according to the algorithm of the messenger program 14a. Basically, the control unit 13 may control the messenger program 14a to be executed when a user's request or a preset event is detected, and control various display screens of the messenger program 14a to be displayed on the display unit 15. have.

In addition, the controller 13 may select a specific counterpart according to a user's request during the execution of the messenger program 14a and control an overall process for transmitting or receiving a message or content with the counterpart. In addition, the controller 13 may support various operations for performing various functions provided by the messenger program 14a.

In particular, in the present invention, the control unit 13, during the execution of the messenger program 14a, displays a chat window for outputting a message transmitted and received with one or more other terminals, and the other terminal participating in the conversation group through the chat window. Print messages sent and received. At this time, the controller 13 displays only the basic information on the chat window when displaying the chat window as described above, and if a preset user input is detected through the input unit 21, the controller 13 is connected to the chat group corresponding to the chat window. It can be controlled to selectively display detailed information about the participants involved. In this case, as described above, as described above, the output chat window, that is, information related to the corresponding talk group, means information that does not include personal information of the chat participants, and the chat window, that is, a chat window for distinguishing a chat group. It may include one or more of the category information and the number of participants in the conversation. The chat window classification information may be set by a user of the terminal 10 or a user who originally requested the chat, and may be, for example, a chat group name, a chat window name, a meeting name, and the like. The detailed information is information related to the participants who participated in the conversation. For example, the detailed information includes participant image information including one or more of a character, an icon, an avatar, and a picture set for each participant who participated in the conversation. Participant classification information representing at least one of a nickname, nickname, name, initials, alias, nickname, name, and pen name set for each of the participants may include one or more of the participant status information indicating the status of the participants in the chat window for each participant. The participant status information may include at least one of message acknowledgment indication information indicating that the participant terminal in the conversation has recognized the confirmation of the participant's message and message input indication information indicating that the participant in the chat window is receiving a message. It may include, and may also be represented by at least one of a special effect including at least one of vibration, shaking, and blinking, a character representing a participant's state.

According to an embodiment of the present disclosure, the controller 13 may extract the participant image information and the participant classification information from the address book stored in the terminal 10 or receive the information from the service device 20. It may collect from the service device 20 or another terminal participating in the conversation.

In an embodiment of the present disclosure, in displaying the detailed information, the controller 13 may match and display participant image information and participant classification information among detailed information. And, depending on the state of the participant, it is possible to provide the state information of the participant, the state information of the participant as the state of the user associated with the chat window, indicating that the participant terminal acknowledges the confirmation of the participant's message, for example, The participant may include at least one of a "waiting" state indicating a state in which a terminal activates a chat window and outputting a message, and a "in input" state indicating that a message is being input. When the participant is in the corresponding state, the participant state information as described above may be displayed by changing the participant classification information matched with the participant image information to the participant state information. That is, when the chat window is activated and outputs a message on the participant's terminal, the participant division information is changed to “waiting”, and when the participant's terminal is receiving a message, the participant's division information is “input”. Change to "".

In addition, in exposing the basic information and detailed information, the control unit 13 sets a specific area of the screen of the chat window as a title information display area, exposes the basic information in the title information display area, and then According to the set user input, the title information display area may be expanded, and the detailed information may be displayed on the extended title information display area. In addition, the control unit 13 displays one or more state change icons for requesting a state change of the title information display area in a predetermined area (for example, the title information display area) of the chat window, and displays the one or more state change icons for the one or more state change icons. According to a user selection, basic information may be displayed in the title information display area, or the detailed information may be displayed by expanding the title information display area. In addition, the controller 13 may expand the title information display area to display menu items for one or more functions that can be executed in a chat window according to a user selection of the one or more state change icons.

In addition, the controller 13 maintains the extended state of the title information display area while the preset user input is continued, and if the preset user input is not detected, changes to the original form of the title information display area. Only basic information can be displayed and printed.

In addition, the control unit 13 may output a metaphor marker indicating that the title information display area may be changed according to a user input.

In addition, in addition to the above-described basic information, the title information display area may further display one or more menu items for performing other functions related to a messenger service.

Next, the storage unit 14 is a component for storing a program and user data related to the operation of the terminal, in particular, the storage unit 14 of the present invention is a messenger program programmed to execute the messaging service providing method according to the present invention. 14a may be stored, and the messenger program stored in the storage 14 may be executed through the controller 13.

The storage unit 14 may include a program area and a data area. The program area stores information related to driving the terminal 10 such as an operating system (OS) for booting the terminal 10. The data area is an area in which data generated according to the use of the terminal 10 is stored. As described above, the messenger program 14a, other applications, contents, and the like may be stored. The storage unit 14 may be a flash memory, a hard disk, a memory of a multimedia card micro type (e.g., SD or XD memory), a RAM, a ROM ROM), and the like.

Lastly, the display unit 15 displays information on a series of operation states, operation results, and the like that occur during the performance of the functions of the terminal 10. [ In particular, the display unit 15 of the present invention may display various user interface screens generated during the execution of the instant messaging function. In particular, the display unit 15 may display a chat window including a title information display area in which a chat window or basic information on the chat group is exposed, and under the control of the controller 13, the title information display area of the chat window may be displayed. By transforming, detailed information of the participants who participated in the conversation can be output.

As described above, the display unit 15 may be implemented in the form of a single touch panel (or touch screen) together with the input unit 12, or may be implemented as a touch panel (or touch screen) together with the input unit 12. In this case, various types of information generated according to a user's preset operation and touch input may be displayed. The display unit 15 may be a liquid crystal display (LCD), a thin film transistor (TFT) LCD, an organic light emitting diode (OLED), a light emitting diode (LED), an active matrix organic LED (AMOLED), a flexible display ) And a three-dimensional display (three-dimensional display).

In the operation of the terminal 10, the service device 20 may manage basic information on the requested talk group and manage detailed information of participants participating in the chat.

Hereinafter, a method of providing a messaging service based on the terminal 10 configured as described above will be described in detail.

3 is a flowchart illustrating a messaging service providing method of a terminal according to an exemplary embodiment of the present invention.

Referring to FIG. 3, the terminal 10 activates a messaging service by executing a messenger program stored in the storage unit 14 according to a user input or a preset algorithm requesting execution of a messaging service through the input unit 12 ( S105). According to the activation of such a messaging service, an initial screen or a menu screen of the messenger program 14a may be displayed.

In the initial screen or the menu screen, if the user selects a chat function for requesting a conversation with one or more other users through the input unit 12, the control unit 13 of the terminal 10 is one or more other requested by the user Activate a chat window in which the user of the terminal is set as a participant (S115). The participant may be set by a user of the terminal 10.

By activating the chat window, a chat window displaying basic information about the chat window or the chat group is output to the display unit 15 of the terminal 10 (S120). The basic information is information that does not include personal information of a specific participant, and may be a name of a chat window, a conversation group or a meeting, and the number of participants. The basic information may be output through a title information display area set in a predetermined area of a chat window. That is, the chat window includes a title information display area for displaying information on the chat window in addition to a message display area for displaying messages transmitted and received between the participants in the chat, and outputs the basic information to the title information display area. will be. The title information display area may be, for example, located at the top of the chat window, but the arrangement of the title information area is not particularly limited.

As described above, when the chat window is displayed, the terminal 10 displays detailed information about the participants who participated in the chat (S130) when a preset user input occurs (S125). The detailed information may be displayed while the preset user input is maintained or for a preset time.

The above steps S120 to S130 may be repeated until the end of the chat window occurs, and if the end of the chat window is requested through the input unit 12 (S130), the control unit 13 of the terminal 10 is the chat window. Deactivate (S140).

In such a messaging service providing method, a process of displaying detailed information of participants may be performed as shown in FIG. 4.

That is, FIG. 4 is a flowchart illustrating a process of displaying detailed information of participants in a messaging service providing method according to an exemplary embodiment of the present invention.

Referring to FIG. 4, in operation S120 of FIG. 3, the control unit 13 of the terminal 10 may change the title information display area on the chat window according to a user input in displaying basic information about the chat window. The metaphor marker indicating the symbol is further displayed (S205). The metaphor marker may be implemented in association with a preset user input for displaying detailed information. For example, when the title information display area is displayed at the top of the chat window, and the preset user input is a swipe, flick, scroll, etc. in the lower direction from the title information display area, the metaphor marker may be an arrow or a downward direction. Can be represented by a triangle request, etc.

In this state, when a preset user input is detected (S210), the controller 130 of the terminal 10 deforms the title information display area (S215). For example, the title information display area may be modified to extend or extend the title information display area.

In addition, the controller 130 of the terminal 10 displays detailed information about the participants in the conversation in the extended or extended portion of the title information display area (S220).

The deformation and detailed information display of the title information display area may be maintained while the preset user input is maintained or only for a preset specific time. When the preset user input is not detected or the specific time expires, only basic information is displayed. The display returns to the original title information display area to be displayed.

Accordingly, the terminal 10 may minimize the exposure of the conversation participants' personal information by temporarily exposing the conversation participants' detailed information while activating the conversation window, instead of continuously exposing the conversation participants' detailed information. Messages and various information can be displayed efficiently within the screen size.

In addition, in the present invention, the detailed information may include participant status information.

5 is a flowchart illustrating a process of providing status information as detailed information of a participant in a method of providing a messaging service according to an embodiment of the present invention.

In the terminal 10 according to an embodiment of the present invention in displaying the detailed information through step S220, among the detailed information, the participant image information (for example, a picture, a character, an avatar, etc.) and participant classification information (for example, , Participant name, nickname, nickname, etc.) may be displayed by matching (S305).

In this state, the terminal 10 checks the state of each participant participating in the conversation (S310). The status check may be made through the service device 20. That is, the service device 20 may be made by receiving information on whether a chat window for a corresponding conversation is activated and whether a message is input from each terminal of a participant, and providing the same to the terminal 10.

As a result of the status check, when a specific participant is activating a chat window and confirming a transmission / reception message (S315), the control unit 13 of the terminal 10 checks the participant classification information of the corresponding participant indicated by the detailed information. Change to the participant status information (for example, "waiting") indicating the display (S320). That is, the participant image information and the participant status information (“waiting”) are matched and displayed.

And, as a result of the status check, when a specific participant is writing a message to be transmitted through a chat window (S325), the control unit 13 of the terminal 10 indicates that the participant classification information of the corresponding participant indicated by the detailed information is being inputted. Participant status information (for example, "in input") to change to display (S330). That is, the participant image information of the corresponding participant and the participant status information (“in input”) are matched and displayed.

Such a messaging service providing method according to the present invention will be more easily understood through the exemplary view of FIGS. 6 to 8.

6 and 7 are exemplary views showing an implementation example of the chat window screen according to the messaging service providing method of the present invention.

6 is an exemplary diagram of a user interface screen displaying a chat window 60 according to an embodiment of the present invention.

Referring to FIG. 6, the chat window 60 includes a title information display area 61 and a message display area 62. The title information display area 61 is for displaying menu items or information other than messages transmitted and received, and can basically display basic information 61a related to a chat window, as shown in FIG. As illustrated, the basic information 61a is dialog window classification information for distinguishing a chat window, and includes a name of a chat group and the number of participants. In addition, the title information display area 61 may further display menu items 61b for various functions that the user can perform during a text conversation. The menu item 61b may include, for example, a menu for requesting to join a conversation with another user, a menu for requesting to create a new meeting or a chat window, and the like. In addition, the title information display area 61 may further include a metaphor marker 61c indicating that the title information display area 61 may be changed according to a user input. Here, the metaphor marker 61c is implemented as a derivation marker of an arrow or a triangle, which means that the metaphor marker 61c can be expanded according to a user input.

In addition, the message display area 62 displays messages and contents transmitted and received between participants participating in the conversation.

Here, although the title information display area 61 is arranged above the message display area 62, this arrangement can be changed as necessary.

In this state, when the user performs a preset user input, for example, a single touch on the scroll, flick, swipe, or title information display area 61 downward from the title information display area 61. Alternatively, in the case of performing multi-touch, as shown in FIG. 6B, the title information display area 61 is extended below, and detailed information 61c of the participants who participated in the conversation is further displayed. . Here, the detailed information 61c may be displayed by matching participant image information such as a picture or a character designated by the conversation participant with participant classification information such as a participant name or nickname.

In this case, the extended title information display area 61 may be overlaid on the message display area 62 so that a part of the message display area 62 may be covered.

7 is an exemplary view of a user interface screen displaying a chat window 70 according to another embodiment of the present invention.

In another embodiment of the present invention, the chat window 70 includes a title information display area 71 and a message display area 72 as in the previous embodiment, and the title information display area 71 is Basic information 71a related to the chat window, menu items 71b for various functions the user can perform during a text chat, and metaphor markers 71c indicating that they can be changed in accordance with user input, In the expression method, it may be different from the embodiment of FIG. 6.

In addition, according to another embodiment of the present invention, when the title information display area 71 is extended in accordance with a preset user input and detailed information is displayed, the message display area 71 as much as the title information display area 71 is expanded. ) Moves and displays.

Finally, Figure 8 is an exemplary diagram for a process of displaying the status information of the participants in the messaging service providing method of the present invention.

Referring to FIG. 8, the title information display area 80 may be divided into a basic information display area 81 and a detailed information display area 82. Usually, only the basic information display area 81 is displayed, and a preset The detailed information display area 82 is expanded according to a user input.

In addition, detailed information displayed in the detailed information display area 82 may be formed by matching participant image information 83 and participant classification information 84 as illustrated in FIG. 8A. Here, the participant image information 83 may include at least one of a character, an icon, an avatar, and a picture set for each participant who participated in the conversation, and the participant image information may be displayed by matching each message in the message information display area. In addition, the participant classification information 84 may be at least one of an alias, nickname, name, initials, alias, nickname, nickname, and pen name set for each participant.

In this state, when the state of a particular participant is changed, more specifically, when a specific user (for example, ○○ or 박 ○○) confirms a received message by activating a chat window, (b) of FIG. 8 or As shown in (c), the participant identification information 84 of the participant is changed to participant status information 85 indicating that the message is being confirmed. Here, the participant state information 85 is illustrated as being expressed as "waiting", but the expression form may be modified in various forms such as a character and an image. In addition, the participant classification information 84 may not be changed to the participant status information 85, but the participant image information 83 may be changed to the participant status information 85. In this case, the participant state information 85 may be made in a manner of modifying a character of the participant image information 83 or giving a special effect such as blinking.

In addition, when a particular participant (eg, ○○) is inputting a message, as shown in FIG. 8C, participant status information indicating that participant classification information 84 of the corresponding participant is inputting a message ( 86). Here, the participant status information 86 is illustrated as being expressed as "in input", but the expression form may be modified in various forms such as a character and an image. In addition, the participant classification information 84 may not be changed to the participant status information 86, but the participant image information 83 may be changed to the participant status information 86. In this case, the participant state information 86 may be made in a manner of modifying a character of the participant image information 83 or giving a special effect such as blinking. However, participant status information 85 and 86 representing different states are displayed to be distinguished from each other.

9 is a flowchart illustrating a messaging service providing method according to another embodiment of the present invention.

Referring to FIG. 9, a terminal 10 executing a messaging service providing method according to another exemplary embodiment of the present invention may have a user requesting execution of a messaging service through an input unit 12 as described above with reference to FIG. 3. By executing a messenger program stored in the storage unit 14 according to an input or a predetermined algorithm, the messaging service is activated (S405), and the user requests a conversation with one or more other users through the input unit 12. As selected, activates the chat window in which the user of one or more other terminals is set as a participant (S410, S415).

When the chat window is activated as described above, the controller 13 of the terminal 10 displays basic information in a predetermined area of the chat window, that is, the title information display area (S420).

The control unit 13 of the terminal 10 further displays one or more state change icons for changing the state of the title information display area in a predetermined area of the chat window (S425). For example, the one or more state change icons may include only basic information in a title information display area, and display a first icon for displaying a message transmitted / received between participants, and display detailed information of a conversation participant. One or more of a second icon for displaying and a third icon for displaying menu items corresponding to one or more functions available in the dialog window may be included. In this case, the preset user input may be a user input for requesting selection of any one of the one or more state change icons, and the user input may be set as a touch or a swipe. In one example, when the dialog is first activated to display only basic information, the first icon indicating the basic information display is activated among the first to third icons, and the activation of the state change icon is performed by a user input (touch). Or swipe, etc.).

Accordingly, the controller 13 of the terminal 10 confirms a user input for the one or more state change icons.

As a result of the check, when the user selects a state change icon (for example, a second icon) corresponding to the detailed information display (S430), the controller 13 of the terminal 10 expands the title information display area, The detailed information of the participants participating in the conversation is displayed (S435). In another embodiment of the present invention, the display of the detailed information may be made as illustrated in FIG. 8. The second icon may be selected by a user swiping from the first icon to the second icon, flicking, or touching the second icon.

In addition, as a result of confirming the user input, when the user selects a state change icon (for example, a third icon) corresponding to the display of the menu items of the function that can be executed in the dialog window, the control unit 13 of the terminal 10 ) Expands the title information display area to display menu items corresponding to one or more functions that can be executed in the dialog window (S445). The selection of the third icon may be performed by swiping or flicking the first icon or the second icon from the third icon, or touching the third icon.

The menu items may include, for example, adding to a contact, copying or storing by selecting a text message, a function of selecting and transmitting a pre-stored image, a function of searching a chat message, and setting a message reception alarm. Alternatively, the terminal may include a menu corresponding to one or more of a setting function such as a termination function, a background screen, or a text. The user can select one of the menu items to execute in the dialog window.

In addition, if a state change icon (for example, a first icon) displaying basic information is selected as a result of confirming the user input, the control unit 13 of the terminal 10 returns to step S420 to display the title information display area. Minimize and display only basic information.

Steps S420 to S450 may be repeatedly performed while the chat window is activated.

10 to 12 are exemplary diagrams showing an example of implementing a chat screen according to another exemplary embodiment of the present invention.

Referring to FIG. 10, in another embodiment of the present invention, the chat window 90 includes a title information display area 91 and a message display area 92. The title information display area 91 basically displays basic information 91a related to the chat window. As illustrated, the basic information 91a is dialog window classification information for distinguishing a chat window, and includes a name of a chat group and the number of participants.

In the title information display area 91 of the chat window 90, one or more status change icons 91b for changing the status of the chat window are further displayed. In another embodiment of the present invention, the one or more state change icons 91b may display only the basic information in the title information display area and maximize a message display area that displays messages transmitted and received between participants. A first icon for displaying, a second icon for displaying detailed information of the participant of the conversation, and a third icon for displaying menu items corresponding to one or more functions available in the chat window. When the dialog window 90 is activated, a first icon for displaying basic information among the one or more state change icons 91b is displayed in a selected state (activation), and thus the tight information display area 91 is displayed in the default state. Only information is displayed.

In addition, the title information display area 91 may further include a metaphor marker 91c indicating that the title information display area 91 may be changed according to a user input. Here, the metaphor marker 61c is implemented as a derivation marker of an arrow or a triangle, which means that the metaphor marker 61c can be expanded according to a user input.

The message display area 92 displays messages and contents transmitted and received between the participants who participated in the conversation. Here, the title information display area 91 is arranged above the message display area 92, but this arrangement can be changed as necessary.

In the above state, when the user performs a preset user input, for example, flick or swipe the one or more icons 91b in a specific direction, or touch a specific icon to display the state of the title information display area 91. You can request a change.

FIG. 11 is an exemplary view of a chat window 90 when a second icon corresponding to displaying detailed information of participants is selected (activated) according to another embodiment of the present invention.

Referring to FIG. 11, when the second icon corresponding to the detailed information display of the participants is selected (activated), the title information display area 91 is expanded to further display detailed information 91d of the participants who participated in the conversation. do. The detailed information 91d may be displayed as shown in FIG. 8.

In this case, the message display area 92 may be moved or hidden as the title information display area 91 is extended.

FIG. 12 is an exemplary view of a chat window 90 when a third icon corresponding to a menu item display is selected (activated) according to another embodiment of the present invention.

Referring to FIG. 12, when a third icon for displaying a menu item executable in a chat window is selected, the title information display area 91 is expanded and at least one executable in the corresponding chat window 90 in the expanded part. Menu items 91e corresponding to the function are displayed. The menu item 91e adds an additional function (add friend) to a contact, a function of copying or saving a text message (conversation selection), a function of selecting and transmitting a previously stored image (conversation album), a conversation message Menu items corresponding to one or more of a function for searching (content search), setting or canceling a message reception alarm (alarm off), and a setting function (background / text) such as a background screen or text are displayed.

The messaging service method according to the present invention may be implemented in software form readable by various computer means and recorded on a computer readable recording medium. Here, the recording medium may include program commands, data files, data structures, and the like, alone or in combination. Program instructions to be recorded on a recording medium may be those specially designed and constructed for the present invention or may be available to those skilled in the art of computer software. For example, the recording medium may be an optical recording medium such as a magnetic medium such as a hard disk, a floppy disk and a magnetic tape, a compact disk read only memory (CD-ROM), a digital video disk (DVD) Includes a hardware device that is specially configured to store and execute program instructions such as a magneto-optical medium such as a floppy disk and a ROM, a random access memory (RAM), a flash memory, do. Examples of program instructions may include machine language code such as those generated by a compiler, as well as high-level language code that may be executed by a computer using an interpreter or the like. Such hardware devices may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be apparent to those skilled in the art. Furthermore, although specific terms are used in this specification and the drawings, they are used in a generic sense only to facilitate the description of the invention and to facilitate understanding of the invention, and are not intended to limit the scope of the invention.

In addition, the service device 20 or the terminal 10 according to the present invention may be driven by a command that causes one or more processors to perform the functions and processes described above. Such instructions may include, for example, interpreted instructions such as script commands, such as JavaScript or ECMAScript commands, or other instructions stored in executable code or computer readable media. Further, the apparatus according to the present invention may be implemented in a distributed manner across a network, such as a server farm, or may be implemented in a single computer device.

Further, a computer program (also known as a program, software, software application, script or code) that is embedded in the apparatus according to the present invention and which implements the method according to the present invention includes a compiled or interpreted language, a priori or procedural language , And may be deployed in any form including standalone programs or modules, components, subroutines, or other units suitable for use in a computer environment. Computer programs do not necessarily correspond to files in the file system. The program may be stored in a single file provided to the requested program, or in multiple interactive files (e.g., a file storing one or more modules, subprograms, or portions of code) (E.g., one or more scripts stored in a markup language document). A computer program may be deployed to run on multiple computers or on one computer, located on a single site or distributed across multiple sites and interconnected by a communications network.

In addition, in describing the messaging service providing method according to the present invention, although the operations are described in the drawings in a specific order, it is necessary to perform such operations in the specific order or the sequential order shown in order to obtain a desirable result, or in all the drawings. It should not be understood that the acts performed should be performed. In certain cases, multitasking and parallel processing may be advantageous. Also, the separation of the various system components of the above-described embodiments should not be understood as requiring such separation in all embodiments, and the described program components and systems will generally be integrated together into a single software product or packaged into multiple software products It should be understood.

The present invention is to selectively expose the information of the participants of the conversation in accordance with the user input when executing a messenger program to display a chat window for outputting messages transmitted and received between users, in particular, title information set in a predetermined area of the chat window By default the basic information related to the chat window in the display area, and if a preset user input is detected through the input unit, by modifying the title information display area, by selectively displaying information related to one or more participants participating in the conversation In addition, by selectively exposing the participants' information only when a user input occurs, it is possible to minimize the exposure of personal information.

In addition, the present invention exposes the participants' information through expansion of the title information display area set in a predetermined area of the chat window according to a preset user input, for example, a touch input, and if the user input is released, the title information display area of the original size is released. By returning only the basic information, there is an excellent effect of efficiently providing participant information in a limited size chat window.

In addition, the present invention further displays a metaphor marker indicating that the title information display area may be changed according to a user input, and further includes a single touch, a multi-touch, a pan, a swipe, and a scroll. According to a user input corresponding to at least one of Flick, the title information display area is temporarily extended to expose participant information, thereby improving user accessibility.

10: terminal 11; Communication unit 12: input unit
13: control unit 14: storage unit 15: display unit
20: service device 30: communication network

Claims (29)

An input unit for user input associated with a messaging service for transmitting and receiving messages with one or more other terminals;
A display unit for outputting a user interface screen according to execution of the messaging service; And
Functionally connected with the input unit and the display unit, when displaying a chat window for outputting a message transmitted and received with the one or more other terminals, basic information about the chat window is displayed, but participates in the chat according to a preset first user input. Displaying detailed information about the participants, the basic information after a predetermined time from the time when the first user input is terminated, receives a second preset user input, or displays the detailed information during the detailed information display It includes a control unit for controlling to display,
The detailed information includes a participant status information indicating the status of the participants participating in the conversation. The method of claim 1,
The basic information, the terminal characterized in that it comprises one or more of the chat window classification information for distinguishing the chat window, the number of participants participating in the chat. The method of claim 1,
The detailed information may include participant image information including at least one of a character, an icon, an avatar, and a picture set for each participant who participated in the conversation, and a nickname, nickname, name, initial, alias, nickname, nickname, and pen name for each participant. Terminal further comprising at least one of the participant identification information indicating one or more of the. The method of claim 1, wherein the participant status information is
And at least one of message acknowledgment indication information indicating whether the participant's terminal recognizes the acknowledgment of the participant and message input indication information indicating that the participant's terminal is receiving a message. 4. The apparatus of claim 3, wherein the control unit
As the detailed information, the participant image information and the participant classification information are matched and displayed, and the participant image information or the participant classification information is changed into participant status information according to the status of each participant associated with a chat window. Terminal. 6. The apparatus of claim 5, wherein the control unit
And when a participant's message confirmation is recognized in a terminal of a specific participant, controlling to change the participant identification information of the specific participant to a character indicating a message acknowledgment state. The method according to claim 6,
Characters representing the message confirmation status is 'waiting' characterized in that the terminal. 6. The apparatus of claim 5, wherein the control unit
When receiving a message from a terminal of a specific participant, the terminal characterized in that the control to change the participant identification information of the specific participant to a character indicating that the message input. 9. The method of claim 8,
The character indicating that the message is being input is the terminal, characterized in that the input. 6. The apparatus of claim 5, wherein the control unit
When receiving a message from the terminal of a specific participant, the terminal characterized in that the control to express the state of the participant by giving a special effect including at least one of wave, shaking, flashing to the participant image information of the specific participant . The apparatus of claim 1, wherein the control unit
And a specific area of the screen of the chat window is set as a title information display area, and the basic information is displayed on the title information display area. 12. The apparatus of claim 11, wherein the control unit
And displaying one or more menu items for performing other functions related to the messaging service in the title information display area. 12. The apparatus of claim 11, wherein the control unit
And displaying one or more state change icons for changing the state of the title information display area. The method of claim 13,
The first user input or the second user input, characterized in that the user input for requesting selection of any one of the one or more state change icon. The method of claim 13, wherein the one or more state change icons are:
Only the basic information is displayed in the title information display area, and a first icon for maximizing and displaying a message display area displaying messages transmitted and received between participants, a second icon for displaying detailed information of a chat participant, and a chat window can be used. And at least one of a third icon for displaying menu items corresponding to at least one function. 12. The apparatus of claim 11, wherein the control unit
And the title information display area is expanded according to the first user input, and the detailed information is displayed on the extended title information display area. 12. The method of claim 11,
And the title information display area includes a metaphor mark indicating that the title information display area may be changed according to a user input. 12. The method of claim 11,
The first user input or the second user input is one or more of single touch, multi-touch, pan, swipe, scroll, and flick based on the title information display area. Terminal characterized in that the touch input comprising a. delete Activating and displaying a chat window for outputting a message transmitted and received with one or more other terminals;
Displaying basic information on the chat window in a title information display area set in a predetermined area of the activated chat window;
Checking a preset first user input;
Expanding the title information display area according to the first user input to display detailed information on participants participating in the conversation; And
Displaying the basic information after a predetermined time from the time when the first user input is terminated, when the second user input is received, or when the detailed information is displayed, during the detailed information display;
The detailed information includes a participant status information indicating the status of the participants participating in the conversation. 21. The method of claim 20,
And the meta information marker indicating that the title information display area can be changed according to a user input. 21. The method of claim 20,
Displaying at least one state change icon for changing a state of a title information display area in a predetermined area of the chat window;
Wherein the first user input or the second user input is a user input associated with the one or more state change icons. 21. The method of claim 20,
And expanding the title information display area according to the first user input to display menu items corresponding to one or more functions available in the chat window. delete 21. The method of claim 20,
The detailed information may include participant image information including at least one of a character, an icon, an avatar, and a picture set for each participant who participated in the conversation, and a nickname, nickname, name, initial, alias, nickname, nickname, and pen name for each participant. Method for providing a messaging service, characterized in that it further comprises at least one of the participant identification information indicating at least one of. The method of claim 25, wherein displaying the detailed information,
Matching and displaying the participant image information and the participant classification information;
Checking the status of each participant; And
And changing and displaying the participant identification information or participant image information into participant status information indicating a participant status according to the identified status of each participant. 27. The method of claim 26, wherein the participant status information is
And at least one of message acknowledgment indication information indicating whether the participant's terminal has recognized the message acknowledgment and message input indication information indicating that the participant's terminal is receiving a message. The method of claim 27, wherein the participant status information is
Method for providing a messaging service, characterized in that represented by at least one of a special effect including at least one of vibration, shaking, flashing, characters representing the status of the participant. A computer-readable recording medium having recorded thereon a program for executing the messaging service providing method according to any one of claims 20 to 28.

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