KR20020068717A - system and method for transmitting and receiving e-mail attaching document file through mobile station - Google Patents

Abstract

The present invention relates to an e-mail transmission and reception system and method through a wireless mobile communication terminal, an object of the present invention is to attach a variety of document files between the wireless mobile communication terminal or between the wireless mobile communication terminal and the computer connected to the network The present invention provides an e-mail transmitting and receiving system through a wireless mobile communication terminal capable of sending and receiving mail and a method using the same.

In order to achieve the above object, the e-mail transmission and reception system through a wireless mobile communication terminal according to the present invention comprises a wireless mobile communication terminal with a built-in memory card adapter or a computer connected to the network to the e-mail attached to the document file A document converting apparatus which is capable of sending, a document converting apparatus associated with a base station connected through the transmitting means and a communication network, grasps the property and format of the document file, and converts the text file into a text file; And a central processing means including a database for storing a network and a computer and a network of the transmitting means and a mail server associated with the document conversion apparatus and the database, and a wireless mobile communication terminal connected with the base station through a communication network. Including means for receiving e-mails .

In addition, an e-mail transmission and reception method through a wireless mobile communication terminal according to the present invention comprises a transmitting step of sending an e-mail to which a document file is attached using a wireless mobile communication terminal or a computer, and a document conversion apparatus associated with a base station. A processing step of receiving the e-mail, converting the attached document file into a text file, and storing the same, and a receiving step of receiving the e-mail to the receiver's wireless mobile communication terminal.

Description

System and method for transmitting and receiving e-mail through wireless mobile communication terminal {system and method for transmitting and receiving e-mail attaching document file through mobile station}

The present invention relates to a system and method for transmitting and receiving e-mails through a wireless mobile communication terminal, and more particularly, to send e-mails to which various kinds of document files are attached through a wireless mobile communication terminal. The present invention relates to a system and a method for receiving and reading the same.

The main use of current portable terminals, specifically cellular phones (PCS), is based on the functions of voice communication and data transmission and reception through wireless methods, and provides various additional services through related application technologies. have. Among them, SMS (Short Message System), which is a function of sending and receiving text messages, defines each character needed to deliver a message by encoding it as a series of binary or hexadecimal digits, and then sends a text message written on a terminal, computer communication, or the Internet. The data is transmitted to the mobile communication company by encoding according to the predefined definition, and the mobile communication company relays and transmits the encoded message to the intended receiving terminal.

In addition, with the widespread use of the general-purpose network called the Internet, the Internet e-mail service through e-mail has become widespread. In recent years, access to a computer network through a wireless mobile communication terminal is connected to the other party's computer. A service for transmitting mail is provided.

However, the SMS is a service for transmitting short text messages of about 100 English characters and 50 Korean characters, and the size of data that can be transmitted at one time is relatively smaller than that of the e-mail. There is a disadvantage in that data such as still images cannot be transmitted.

On the other hand, the transmission and reception of data through the e-mail has the advantage that can provide a variety of video information and voice, including text, there are many restrictions when using a wireless mobile communication terminal. That is, unlike the general character information, the above-described information has a large capacity, and additional devices such as a central processing unit and a memory are essential to process the information, and such a device is provided on a wireless mobile communication terminal. Increasing the size and inducing the price increase is a significant disadvantage in terms of portability and price competitiveness. In addition, the text information that can be transmitted and received by the wireless mobile communication terminal is also very limited, there is a disadvantage that can only transmit and receive text (text) information. This means that in order to receive document files such as hwp, doc, ppt, xls, etc., which are widely used in general, a separate viewer program for reading these document files is required, and the viewer program is wirelessly moved. In order to install on a communication terminal, the performance of the central processing unit, the memory, and the like must be excellent as described above.

As a result, the range in which text messages or e-mails can be transmitted and received using a wireless mobile communication terminal is limited to a text file having a txt extension. Therefore, the wireless mobile communication terminal has been widely spread, but due to the limitations described above, it is impossible to exchange information in a popularized document file.

The present invention has been made to solve the above problems, and an object of the present invention is to send and receive e-mails with various document files attached between wireless mobile communication terminals or between a wireless mobile communication terminal and a computer connected to a network. The present invention provides an e-mail transmission and reception system through a wireless mobile communication terminal and a method using the same.

1 is a view showing an e-mail transmission and reception system through a wireless mobile communication terminal according to the present invention

2 is a block diagram showing a central processing unit of the system of FIG.

3a is a flowchart illustrating one form of an e-mail transmission and reception method through a wireless mobile communication terminal according to the present invention;

3b is a flowchart showing another form of an e-mail transmission and reception method through a wireless mobile communication terminal according to the present invention;

4 is a flow chart showing a receiving step through a wireless mobile communication terminal as a subsequent step of FIGS. 3A and 3B;

Explanation of symbols on the main parts of the drawings

110,410: Computer 120,420: Wireless mobile communication terminal

200: base station 300: central processing means

310: document converter 320: database

330: mail server 500: communication network

In order to achieve the above object, the e-mail transmission and reception system through a wireless mobile communication terminal according to the present invention comprises a wireless mobile communication terminal with a built-in memory card adapter or a computer connected to the network to the e-mail attached to the document file A document converting apparatus which is capable of sending, a document converting apparatus associated with a base station connected through the transmitting means and a communication network, grasps the property and format of the document file, and converts the text file into a text file; And a central processing means including a database for storing a network and a computer and a network of the transmitting means and a mail server associated with the document conversion apparatus and the database, and a wireless mobile communication terminal connected with the base station through a communication network. Including means for receiving e-mails .

At this time, the document conversion apparatus determines whether or not to convert the document file by identifying the attributes and format of the document file, and at the same time to generate index information consisting of the contents of the document file, and the document in accordance with the decision of the search engine Document conversion software for generating a text file that can be read by the wireless mobile communication terminal by converting the ASCII value of the file.

The information stored in the database consists of an original document file attached, a text file generated by the document conversion software, and index information.

In addition, an e-mail transmission and reception method through a wireless mobile communication terminal according to the present invention comprises a transmitting step of sending an e-mail to which a document file is attached using a wireless mobile communication terminal or a computer, and a document conversion apparatus associated with a base station. A processing step of receiving the e-mail, converting the attached document file into a text file, and storing the same, and a receiving step of receiving the e-mail to the receiver's wireless mobile communication terminal.

In this case, the processing step includes the step of receiving the e-mail received by the mail server at the base station when the transmitting means is a wireless mobile communication terminal and by the mail server when the transmitting means is a computer, and the e-mail at the search engine. Determining whether the document file is converted after determining the property and format of the document file attached to the document file; and converting the document file into a text file by the document conversion software according to the determination of the determination step; In the step of generating index information containing a brief conversion information, including the title of the document file, and the search engine stores the original document file, the converted text file and index information in the database.

On the other hand, if the document file attached to the e-mail is a text file, after generating the index information in the search engine consists of storing the original and the index information of the document file in the database.

In the receiving step, the base station sends only the text file and the index information of the document file.

The receiving step includes the steps of displaying the existence and properties of the document file attached to the user through the wireless mobile communication terminal, selecting the body content and index information of the text file from the contents of the document file, According to the selection of only the index information or the index information and the body content is displayed together.

Hereinafter, an e-mail transmission and reception system and method through a wireless mobile communication terminal according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

First, Figure 1 is a view showing an e-mail transmission and reception system through a wireless mobile communication terminal according to the present invention, Figure 2 is a block diagram showing a central processing means of the system of FIG. 3A is a flowchart illustrating one form of an e-mail transmission and reception method through a wireless mobile communication terminal according to the present invention, and FIG. 3B illustrates another form of an e-mail transmission and reception method through a wireless mobile communication terminal according to the present invention. 4 is a flowchart illustrating a reception step through a wireless mobile communication terminal as a subsequent step of FIGS. 3A and 3B.

As shown in FIG. 1, an e-mail transmission and reception system through a wireless mobile communication terminal according to the present invention includes transmission means 110 and 120 capable of sending an e-mail with a document file attached thereto, and the transmission means and the communication network 500. The base station 200 and the central processing unit 300 connected to the base station 200 and the central processing unit 300 to receive and process the e-mail, and the destination user side connected to the communication network with the base station and the central processing unit to receive the processed e-mail. The receiving means (410, 420) is large.

The transmission means and the reception means are largely composed of a wireless mobile communication terminal (120,420) and a computer (110,410). In this case, the computers 110 and 410 are connected to a Public Switched Telephone Network (PSTN), a Public Switched Data Network (PSDN), or an Internet network, and have a built-in e-mail address and an e-mail transmission program. E-mail service must be available online.

The wireless mobile communication terminals 120 and 420 are cellular phones or PCS, which are generally called cellular phones, and are connected to the base station 200 through a wireless communication network. In this case, the wireless communication network includes a Global System for Mobile Communication (GSM), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), and the like.

In particular, the wireless mobile communication terminal 120 constituting the transmitting means is equipped with a memory card adapter to transmit document files of all formats stored in the memory card. In this case, the document file attached to the e-mail includes not only a general text file having a txt extension but also a file of a document creating program such as hwp, doc, ppt, xls, and the like.

On the other hand, the base station 200 is provided between the transmitting means side wireless mobile communication terminal 120 and the receiving means side wireless mobile communication terminal 420, which is attached to the e-mail, including voice information through the wireless communication network described above The document file is relayed and sent to the central processing unit 300, and the document file is converted from the central processing unit and relayed to the wireless mobile communication terminal 420 on the receiving unit side.

In addition, the central processing unit 300 is provided in the base station 200 or separately from the base station and has an interface to communicate with the base station, and converts the document file attached to the e-mail. And various devices capable of storing the same.

As shown in Figure 2, the central processing unit 300 is a document conversion device 310 for identifying the properties and format of the document file attached to the e-mail and converts the document file into a text file, if necessary; A database 320 storing the document file in association with the document converting apparatus, and a mail server 330 connected with the document converting apparatus and the database and connected to a computer of a transmitting means and a receiving means through a communication network. . At this time, the document conversion device 310 is composed of a search engine 312 and the document conversion software 314, the search engine and document conversion software may be composed of a single module, a separate module linked to each other It may be configured as.

The search engine 312 determines the attributes of the document file and the file format (.hwp, .doc, .ppt, .xls, .txt ...), and then the file format is not a text file (.txt). In this case, it determines whether to convert to a text file, and creates index information of the converted document file and stores it in the database 320.

If the document file is not a text file, the document converting software 314 converts the text file into a text file according to the determination of the search engine 312. That is, the document conversion software 314 reads a document file and converts the ASCII value in the document into text information which is an ASCII value that can be read by the wireless mobile communication terminal.

In this case, the document converting software 314 may convert a document file having the above-described extension into a text file. If the document file contains a picture, the picture information may be stored in ASCII and its location only. It is just stored as a value.

On the other hand, the index information generated by the search engine 312 includes information on the sender of the e-mail, the transmission date and time, and brief conversion information along with the title of the attached document file. In addition, when a picture is included in the document file, information about the position and size of the picture may be included.

The information stored in the database 320 by the search engine 312 is stored in the original document before conversion of the attached document file, the body content of the text file converted by the document conversion software 314, and the search engine. Index information generated by the link is made in conjunction with each other. That is, the database 320 is provided with a table of a relational database that can be stored and recalled at the same time as the information associated with each other.

Next, a method of transmitting and receiving an e-mail to which a document file is attached through a wireless mobile communication terminal using the system configured as described above will be described below.

According to an aspect of the present invention, there is provided a method for transmitting and receiving an e-mail through a wireless mobile communication terminal, wherein a sender sends an e-mail to which a document file is attached using a wireless mobile communication terminal or a computer. Receiving the e-mail, converting and storing the attached document file into a text file; and receiving the e-mail at a receiver's wireless mobile communication terminal or computer.

Prior to this description, the form of sending and receiving e-mail using the system as described above may appear in four cases as follows according to the type of the transmission means versus the reception means.

That is, the transmission means to the reception means are computer-to-computer, wireless mobile communication terminal-to-computer, wireless mobile communication terminal-to-mobile mobile terminal, and computer to wireless mobile communication terminal. Among them, the case where the receiving means is a computer is a general method of transmitting and receiving an e-mail using a mail server, and will be described later only when the receiving means is a wireless mobile communication terminal.

First, FIG. 3A illustrates a case where the transmitting means and the receiving means are wireless mobile communication terminals.

As shown in FIG. 3A, a sender sends an e-mail to a receiver's wireless mobile communication terminal number by attaching a document file stored in a memory card using a wireless mobile communication terminal having a memory card adapter (S10).

Next, the e-mail is received by the central processing unit associated with the base station and subjected to an appropriate processing step for reading through the receiver's wireless mobile communication terminal.

In detail, first, the e-mail is received from a base station of a service provider through a wireless communication network consisting of GSM, CDMA, TDMA, etc. (S20), and the base station transmits the e-mail to a document converter through a predetermined interface. Send (S30).

Next, the search engine of the document converting apparatus determines the attribute of the document file attached to the e-mail (S40), and determines whether to convert according to the type of file format (S50). That is, the determination is determined by whether the attached document file is a text file, which can be determined by a file extension.

As a result of the determination (S50), if the document file is not a text file, document conversion software converts the document file into a text file (S60). This conversion process can be achieved by conversion of ASCII values as described above.

Next, the search engine generates index information of the document file (S70). In this case, the index information includes information on the sender, the date and time of transmission, and brief conversion information, etc. together with the title of the document file, as described above.

On the other hand, when the determination result in the search engine (S50), if the attached document file is a text file, the search engine generates index information directly (S70) as no conversion is necessary.

Next, the search engine stores the original before conversion of the document file, the body content of the text file and the index information in the database (S80). At this time, if the attached document file is not a text file, the body and index information of the original text and the converted text file before the conversion are stored in association with each other. If the document file is a text file, the body content and index information are stored. Are stored in association with each other.

Next, the search engine transmits the text content and index information of the document file stored in the database to the base station through a predetermined interface, and the base station sends the same to the receiver's wireless mobile communication terminal through the wireless communication network described above (S90). . At this time, the original text of the document file other than the text file does not need to be transmitted due to the relation that the document file other than the text cannot be read on the receiver's wireless mobile communication terminal.

Finally, by receiving the e-mail sent from the base station (S100), the transmission and reception process is completed.

3B illustrates a case where the transmitting means is a computer and the receiving means is a wireless mobile communication terminal.

As shown in FIG. 3B, the sender sends an e-mail to which the document file is attached to the receiver's wireless mobile communication terminal number through an electronic mail transmission program on the computer (S10).

Next, the mail server provided in the central processing means receives the e-mail through a communication network composed of PSTN, PSDN, and the Internet (S200).

Next, the mail server sends the e-mail to the document conversion apparatus through a predetermined interface, and receives the document conversion apparatus (S30).

After determining the attributes of the attached document file (S40), the file type to determine whether or not to convert (S50), converts the document file into a text file accordingly (S60), and create index information Store (S70, S80), send it to the receiver's wireless mobile communication terminal (S90), the receiver receives (S100) the process is the same as in FIG. 3a.

Meanwhile, a process of displaying a document file transmitted to the receiver's wireless mobile terminal through the above-described process will be described below.

FIG. 4 shows a reception step after A as a common subsequent step of FIGS. 3A and 3B.

As shown in FIG. 4, the receiving step includes a step in which an e-mail is received on a receiver's wireless mobile communication terminal and the presence and properties of an attached document file are displayed at step S110, and contents of the document file. Inducing the selection of the recipient whether or not to view the body content, including the index information (S120), and displaying only the index information according to the selection of the recipient (S140) or displaying the body content together with the index information (S130) Is done.

At this time, the step (S120) of inducing the selection of the recipient may be omitted. In this case, when the recipient operates a key on the terminal such as a mail view, the index information and the body content are displayed at the same time.

Meanwhile, in the case where the transmission means versus the reception means, which has not been described above, are a wireless mobile communication terminal to a computer, the following description will be given.

First, the sender sends an e-mail to the recipient's e-mail address by attaching a document file stored in the memory card using a wireless mobile communication terminal having a memory card adapter.

Then, the e-mail is received by the base station of the service provider through the above-described wireless communication network, and then transmitted to the mail server in the central processing means through a predetermined interface.

Next, the mail server terminates the process by storing the e-mail in a database and transmitting it to the recipient's computer. That is, in this case, since the receiving means is a computer with a built-in viewer program capable of reading various document files, it is not necessary to convert them into text files.

E-mail transmission and reception system and method through a wireless mobile communication terminal according to the present invention comprises a central processing means for converting a document file of various types into a text file between the transmitting means and the receiving means, so that the receiving means wirelessly moves In the case of a communication terminal, the contents of the document file can be received even without a separate device for improving system performance.

As a result, information contained in various types of document files can be easily exchanged using a wireless mobile communication terminal, and thus, it provides an advantage of greatly extending the use of the wireless mobile communication terminal.

Claims (8)

Transmitting means for sending an e-mail to which a document file is attached, comprising a wireless mobile communication terminal having a memory card adapter or a computer connected to a network; A document converting apparatus associated with a base station connected through the transmission means and a communication network, the document converting apparatus grasping an attribute and a format of the document file into a text file, a database storing the converted text file in association with the document converting apparatus; A central processing means including a mail server connected to the document converting device and a database at the same time as a network with the computer of the transmitting means; E-mail transmission and reception system through a wireless mobile communication terminal comprising a receiving means for receiving the e-mail consisting of a wireless mobile communication terminal connected to the base station through a communication network. The method of claim 1, The document converting apparatus may include: a search engine for determining an attribute and a format of a document file, determining whether to convert the document file, and generating index information including partial contents of the document file; And a document conversion software for converting an ASCII value of the document file according to the search engine to generate a text file that can be read by the wireless mobile communication terminal. The method of claim 2, And the information stored in the database comprises an original of an attached document file, a text file generated by the document conversion software, and index information. A sending step of sending an e-mail to which a document file is attached using a wireless mobile communication terminal or a computer; A processing step of receiving the e-mail in a document conversion apparatus associated with a base station, converting the attached document file into a text file and storing the converted text file; E-mail transmission and reception method through a wireless mobile communication terminal using the system of claim 2 comprising the receiving step of receiving the e-mail to a wireless mobile communication terminal of the receiver. The method of claim 4, wherein The processing step is: Receiving, by the document converting apparatus, an e-mail received by the mail server in the base station when the transmitting means is a wireless mobile communication terminal; Determining, by a search engine, whether or not the document file is converted after identifying an attribute and a format of the document file attached to the e-mail; In accordance with the determination of the determination step, document conversion software converting the document file into a text file; Generating index information in the search engine including brief conversion information including a title of a document file; And a search engine storing the original document file, the converted text file, and index information in a database. The method of claim 5, If the document file attached to the e-mail is a text file, e-mail transmission and reception through a wireless mobile communication terminal comprising generating index information in a search engine and storing the original and index information of the document file in a database. Way. The method of claim 4, wherein The receiving step is an e-mail transmission and reception method through a wireless mobile communication terminal for transmitting only the text file and the index information of the document file from the base station. The method of claim 7, wherein The receiving step is: Displaying the existence of the document file attached to the user and its attributes through the wireless mobile communication terminal; Selecting contents of the text file and index information among contents of the document file; According to the selection of the step, E-mail transmission and reception method through a wireless mobile communication terminal comprising the step of displaying only the index information or the index information and the body content together.