KR101051149B1 - Method of making digtal contents based on social network, method of sharing digital contents, and system thereof - Google Patents

Abstract

PURPOSE: A making social network-based digital content method and digital content manufacturing system using the same are provided to supply digital content to the other users by using social network. CONSTITUTION: The selected digital content is downloaded. A user of a terminal updates a digital content ownership list based on social network information(S218). A first terminal displays the digital content. The digital content is updated by inputting modified content(S224). The updated digital content is transmitted to a digital contents sharing server(S228).

Description

METHOD OF MAKING DIGTAL CONTENTS BASED ON SOCIAL NETWORK, METHOD OF SHARING DIGITAL CONTENTS, AND SYSTEM THEREOF}

The disclosed technology relates to a social network based digital content creation method and a sharing method. In particular, a user can create or modify a digital book, and can share a created or modified digital book with other users. It relates to a content production method and a sharing method.

Paper books have played an important role as a means of transferring knowledge. However, paper books are bulky, inconvenient to carry, and require a lot of space for storage. In addition, the paper book is expensive and time-consuming to print the book, there was a problem that the update is difficult.

To make up for the shortcomings of these paper books, digital books (e-books) have emerged, in which books are converted into files in digital format. The digital book is a concept that encompasses an offline digital book stored in a CD-ROM and an online digital book that can be read through the Internet. The digital book can be classified into a hardware e-book and a software e-book. The user can store the digital book in a mobile terminal (mobile phone, smart phone, PDA, portable PC, etc.) or a computer, and can read the contents of the stored digital book through the device.

In addition, as a medium for delivering various information and digital contents, computers and the Internet have emerged as essential tools for new communication, and as a result, new human relations have begun to form around the network.

A social network service (SNS) or a social community service (SCS) refers to a service that forms and maintains a community that includes specific people with specific relationships based on the Internet environment.

However, social network services currently provide only basic services for establishing and maintaining relationships between users, and cannot provide advanced forms of services associated with social network services.

In the case of conventional digital content, it is difficult for a user to create content, modify or supplement the content, and to share digital content produced or modified or supplemented with other users. For example, in order to share a digital book or digital note with a modified or supplemented content, the user had to download the file directly or save the file in a separate removable memory to move it.

The disclosed technology provides a digital content production method and a sharing system that can share the produced digital content or modified or supplemented content with other users when the digital content is produced or modified or supplemented.

In one embodiment, a digital content sharing method performed in a digital content sharing system including a plurality of terminals for storing digital content, a digital content sharing server, and a digital content storage server, at least one terminal connected to the digital content storage server. Selecting a digital content, downloading and storing the selected digital content, and updating the digital content ownership list for a user of each terminal based on the downloaded digital content; The downloaded first terminal displays the digital content under the control of the user, and receives the correction contents for the digital content and updates the digital content, wherein the first terminal updates the digital content. The digital content sharing method comprising: transmitting to the server, and the digital content sharing server includes the step of storing the receiving the digital content received from the first terminal.

In one embodiment, a digital content sharing method performed in a digital content sharing system including a plurality of terminals for storing digital content, a digital content sharing server, and a digital content storage server, at least one terminal is connected to the digital content storage server. Accessing and selecting digital content, downloading and storing the selected digital content, and the digital content sharing server updating a digital content ownership list for a user of each terminal based on the downloaded digital content, the digital content Downloading the first terminal displays the digital content under the control of the user, and receiving the modifications to the digital content to update the digital content, the first terminal is the updated digital content Transmitting a digital content received from the first terminal to the digital content storage server, and the digital content storage server stores the received digital content in a database. And the digital content storage server providing the stored digital content to a third terminal and charging the digital content.

In one embodiment, a digital content sharing system comprising a plurality of terminals for storing digital content, a digital content sharing server and a digital content storage server, wherein at least one terminal of the plurality of terminals is connected to the digital content storage server. Select a digital content, download and store the selected digital content, and store the digital content, and display the digital content according to a user's control, and receive a correction for the digital content. Update content and transmit the updated digital content to the digital content sharing server. The digital content sharing server updates the digital content ownership list for the user of each terminal based on the downloaded digital content, and receives and stores the digital content received from the first terminal.

In one embodiment, a digital content sharing system comprising a plurality of terminals for storing digital content, a digital content sharing server and a digital content storage server, wherein at least one terminal of the plurality of terminals is connected to the digital content sharing server. A first terminal which accesses a digital content storage server, selects digital content, downloads and stores the selected digital content, and displays the digital content under the control of a user, and corrects the digital content. The system receives the content, updates the digital content, and transmits the updated digital content to the digital content sharing server. The digital content sharing server updates the digital content ownership list for the user of each terminal based on the downloaded digital content, receives the digital content received from the first terminal, and transmits the received digital content to the digital content storage server. The digital content storage server stores the received digital content in a database, and provides the stored digital content to a third terminal to charge for the digital content.

In one embodiment, a digital content sharing method performed in a digital content sharing system including a plurality of terminals and a digital content sharing server storing digital content, the first terminal is connected to the digital content sharing server to select the digital content and Reading the selected digital content, the first terminal displaying the digital content, receiving a modification on the digital content according to a user's control, and transmitting the modification to the digital content sharing server; The digital content sharing server includes updating the stored digital content based on the modification received from the first terminal.

The disclosed technology may utilize a social network to allow multiple users to modify or supplement the content of digital content, such as digital books or digital notes. Thus, the disclosed technology can more faithfully create the content of digital content.

In addition, the disclosed technology may use a social network to automatically share digital content that the user has modified or supplemented with other users. Thus, users can exchange opinions with other users through shared digital content.

In addition, the disclosed technique may provide digital content produced by participation of a certain group of users to another group of users by using a social network. For example, the digital content may be sold in a file or printed form to other groups of users, and a certain amount may be paid to the user who participated in the production of the digital content. Thus, the disclosed technology can induce active participation of the user.

1 is a diagram illustrating a digital book production system and a sharing system according to an embodiment of the disclosed technology.
2 is a flowchart illustrating an example of a digital book production method and a sharing method through the digital book production system and sharing system of FIG. 1.
FIG. 3 is a diagram for describing a digital book that may be used in the digital book production system and sharing system of FIG. 1.
FIG. 4 is a diagram for describing an example of a method of correcting digital book contents of FIG. 3.
5 is a diagram for explaining another example of a method of correcting digital book contents.
6 is a flowchart illustrating another example of a digital book production method and a sharing method through the digital book production system and sharing system of FIG. 1.
7 is a view for explaining a digital book production system and a sharing system according to another embodiment of the disclosed technology.
8 is a flowchart illustrating a digital book production method and a sharing method through the digital book production system and sharing system of FIG. 7.

The description of the embodiments of the disclosed technology is merely illustrative for structural to functional descriptions of the disclosed technology, and thus the scope of the disclosed technology should not be construed as limited by the embodiments described herein. That is, embodiments of the disclosed technology may be variously modified and may have various forms, and thus, it should be understood to include equivalents capable of realizing the technical idea of the disclosed technology.

Singular expressions described in the disclosed technology should be understood to include plural expressions unless the context clearly indicates otherwise, and the terms "comprise" or "having" include elements, features, numbers, steps, operations, and elements described. It is to be understood that the present invention is intended to designate that there is a part or a combination thereof, and does not exclude in advance the possibility of the presence or addition of one or more other features or numbers, steps, actions, components, parts or combinations thereof. .

Each of the steps described in the disclosed technology may occur out of the stated order unless the context clearly dictates the specific order. That is, each step may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

Digital content refers to any kind of content created on the basis of digital multimedia data such as text, audio, video and / or still images. Hereinafter, for convenience of description, the technology disclosed through digital books, digital notes, and digital records (diary, letters, notebooks, documents, etc.) made based on multimedia data will be described.

1 is a diagram illustrating a digital book production system and a sharing system according to an embodiment of the disclosed technology.

Referring to FIG. 1, the digital book production system and sharing system 100 may include a terminal 110, a sharing server (or a digital content sharing server) 120, a database 130, and a digital book server (or digital content storage). Server) 140 and a digital book database (or digital content database) 150.

The terminal 110 may exchange data with the sharing server 120 and the digital book server 140 through a wired or wireless network. The terminal 110 may be a portable mobile terminal (mobile phone, smartphone, PDA, tablet PC (ipad, galaxy tab, etc.), portable PC, etc.) or may be a computer. In an embodiment, the terminal 110 may access the digital book server 140 through the sharing server 120 to search for the digital book under the control of the user. The terminal 110 may download and store the digital book retrieved from the digital book server 140. In another embodiment, the terminal 110 may directly access the digital book server 140 to search for the digital book and download and store the searched digital book under the control of the user.

The user may check the contents of the digital book downloaded through the terminal 110 and may modify (add or correct) the contents of the digital book. The terminal 110 may store the modified contents in the digital book and transmit the modified contents to the sharing server 120 to share them with other users. When the modified content is received from the sharing server 120, the terminal 110 of the sharing counterpart searches for a digital book to which the modified content is to be applied and updates the digital book.

The sharing server 120 creates and manages a digital book ownership list based on the user information and the digital book downloaded by each user, and when the digital book is received from the specific terminal 110a, the corresponding digital book. The modified content is transmitted to the other user's terminal 110b to 110d. In an embodiment, the sharing server 120 may transmit only the modified contents or all of the digital books reflecting the modified contents.

In an embodiment, the sharing server 120 may search for a user group to share the modified content based on the social network information of the user. For example, if the user who modified the digital book is a medical student who is listening to a B subject at A university, the shared server 120 searches for a medical student who is listening to the same subject at the same university. Modified content can be sent with. Alternatively, the sharing server 120 may search for a user who has a relationship with the user who modified the digital book through a social network, and transmit the modified content to the searched user's terminal 110. According to an embodiment, the sharing server 120 may preset a specific party or set a sharing condition for searching for a shared party under the control of the user.

For example, the sharing server 120 may preset sharing conditions for each digital book under the control of the user. For example, the shared server 120 may limit the user who can modify the content of the digital book so that only a given user can modify the content of the digital book (closed), or modify the content of the digital book so that an unspecified number of users can modify the content of the digital book. It may not restrict users (open type).

In one embodiment, when the modification is received from the terminal 110, the sharing server 120 may generate history data for the digital book and store it in the database 130. The historical data may include a modification date, a modification, a modification provider, and / or a modification sharing counterpart.

In addition, the sharing server 120 may update the digital book ownership list by reflecting the modification situation of the digital book stored in each user terminal 110. For example, the sharing server 120 may update the current modification situation of the digital book stored in the terminal 110 of each user by matching the history data of the digital book. Thus, when the digital book stored in the terminal 110 is deleted or the file cannot be read, such as when the file is deformed, the user can download the modified digital book again through the sharing server 120 or redo the modification. You can download it. Alternatively, even when the user replaces the terminal 110, the user may download the modified digital book or the modified contents to the replaced terminal 110 again through the sharing server 120.

The database 130 stores user information and a digital book ownership list for each user. In addition, the database 130 may store a modification history for each digital book.

The digital book server 140 searches for digital books stored in the digital book database 150 and provides the searched digital books to the terminal 110. In one embodiment, the digital book server 140 may receive modifications to the digital book from the sharing server 120. When the correction contents for the digital book are received from the sharing server 120, the digital book server 140 may create a digital book whose contents have been modified and store it in the digital book database 150 separately from the original digital book. In another embodiment, the digital book server 140 may be provided with the modified digital book directly from the terminal 110 and stored in the digital book database 150.

The digital book database 150 stores digital books. In one embodiment, digital book database 150 may store original digital books. In addition, the digital book database 150 may store a modified digital book corresponding to each modification history for each digital book.

In one embodiment, the digital book server 140 may provide a digital book with modified content to another user. For example, when the third user accesses the digital book server 140 through the terminal 110 and searches for the digital book, the digital book server 140 may provide a correction history for the found digital book. . The third user may download the original digital book through the terminal 110 or may download the digital book reflecting the desired modification through the revision history. The digital book server 140 may charge a user a predetermined cost in exchange for providing the digital book.

In another embodiment, the digital books stored in the digital book database 150 may be booked and sold. For example, the operator of the digital book server 140 may bind and sell the original or modified digital book stored in the digital book database 150 as a book with the consent of the author and / or the user who modified the content. In the case of selling the digital book whose contents have been modified, the operator may pay a part of the sales amount to the user who modified the digital book.

Although the shared server 120 and the digital book server 140 are illustrated as separate servers in FIG. 1, the shared server 120 and the digital book server 140 may be implemented in one server. In addition, the shared server 120 and the digital book server 140 may be operated by the same operator or may be operated by different operators.

2 is a flowchart illustrating an example of a digital book production method and a sharing method through the digital book production system and sharing system of FIG. 1.

FIG. 2 assumes that a user of the first terminal 110a and a user of the second terminal 110b have a relationship through a social network service, and download the same digital book and store the same digital book in each terminal 110a or 110b. do. For example, the user of the first terminal 110a and the user of the second terminal 110b may personally establish a relationship through a social network service provided by the sharing server 120 or through a community. .

First, a process of downloading a digital book from the first terminal 110a will be described. The first terminal 110a logs in to the sharing server 120 under the control of the user (step S210), and searches for a digital book to download. The information is transmitted (step S212). In one embodiment, the first terminal 110a may select a mobile communication network or a wireless Internet network to access and log in to the sharing server 120.

The sharing server 120 provides search information for the digital book to the digital book server 140 (step S214), and the digital book server 140 stores the digital book in the digital book database 150 based on the received search information. Search for. In one embodiment, the sharing server 120 may analyze the user's interests, preferences, etc. based on the search information. The sharing server 120 may provide content to the user based on the analyzed interests, preferences, and the like. For example, the sharing server 120 may recommend a digital book, a performance, or the like to the user. In addition, the sharing server 120 may provide an associated advertisement to the user through the terminal 110 based on the analyzed interests, preferences, and the like.

When the digital book is found, the digital book server 140 transmits the found digital book to the sharing server 120 (step S216), and the sharing server 120 updates the digital book ownership list (step S218). The digital book ownership list includes information on digital books owned by the user for each user. For example, the digital book ownership list may include a digital book title, a digital book version (letter representing a print, edition or version), a digital book serial number, a download date and / or a digital book summary. In one embodiment, the digital book ownership list may further include correction information of each digital book. For example, the modification information may include an identifier of the user who modified the contents, a modification date of the contents, the modified contents, and / or a sharer of the modifications.

In another embodiment, the sharing server 120 relays the first terminal 110a and the digital book server 140, and the first terminal 110a retrieves and downloads the digital book directly from the digital book server 140. can do. When the first terminal 110a downloads the digital book from the digital book server 140, the digital book server 140 sends information about the digital book downloaded by the first terminal 110a to the sharing server 120. Can transmit The sharing server 120 may update the digital book ownership list based on the information received from the digital book server 140.

Referring back to FIG. 2, the sharing server 120 transmits the received digital book to the first terminal 110a (step S220), and the first terminal 110a stores the received digital book (step S222). . In one embodiment, the sharing server 120 may update the digital book ownership list after transmitting the digital book to the first terminal 110a.

The first terminal 110a may display the stored digital book on the screen under the control of the user. The first terminal 110a may display the digital book through a dedicated viewer or a general purpose viewer.

The user may modify (including correction or addition) the contents of the digital book through the first terminal 110a, and the first terminal 110a receives the modified contents to update the digital book stored in the terminal. It may be (step S224). For example, the first terminal 110a may select a correction region and receive correction contents through a touch screen or a wired / wireless input device (keyboard, mouse, etc.).

3 is a view for explaining a digital book that can be used in the digital book production system and sharing system of FIG. 1, and FIG. 4 is a view for explaining an example of a method of modifying the content of the digital book of FIG.

Referring to FIG. 3, the digital book may include text, images, audio, and / or video. The first terminal 110a may load the digital book under the control of the user and provide the searched page 310 to the user. For example, the first terminal 110a may display text, an image, and / or a video included in a specific page 310 on a screen and output audio through a speaker. The user may read the contents of the page 310 and may modify or supplement the contents of the page. For example, the first terminal 110a may determine an area in the page 310 to be corrected or supplemented by the user's control, and then modify text, images, audio and / or video in the determined area, You can modify the associated link (URL, etc.).

Referring to FIG. 4, an image 410 selected by or input by a user may be added to the digital book. 4 illustrates an example in which a plurality of images 410a to 410g are added to a specific page 310 of the digital book. The type of image to be added to the digital book and the location to add the image may be selected by the user.

5 is a diagram for explaining another example of a method of correcting digital book contents.

Referring to FIG. 5, text 510 received from a user may be added to the digital book. The content of the text to be added to the digital book and the location to add the text may be selected by the user.

Referring back to FIG. 2, the user can share the modified content with other users. When a correction content sharing command is input under the control of the user (step S226), the first terminal 110a transmits the correction information including the correction content to the sharing server 120. In one embodiment, the correction information includes information about the digital book to be modified (such as the digital book title, digital book version (characters representing print, edition or version) and / or serial number), modifications (text, image, audio, Video and / or link), modification location (page and / or modification area), modifier identification information, and / or modification date. When a sharing condition (a sharing partner and / or a sharing partner search condition) is input together with a correction content sharing command, the first terminal 110a may transmit the sharing condition together with the modification information to the sharing server 120.

In another embodiment, the first terminal 110a may transmit the entire digital book whose contents have been modified to the sharing server 120. For example, the first terminal 110a may transmit the modified digital book file to the sharing server 120. In the case of transmitting the entire modified digital book, the network may be burdensome and the transmission and sharing time may be long. In the following embodiment, it is assumed that the modification is transmitted to the shared server 120.

When the correction information including the correction is received from the first terminal 110a, the sharing server 120 searches for a sharing counterpart to share the correction (step S230). For example, the sharing server 120 searches for a sharing counterpart based on the social network information of the user of the first terminal 110a or the sharing counterpart based on a preset sharing condition or a sharing condition input from the first terminal 110a. You can search for In an embodiment, the sharing server 120 may update the modification history for the corresponding digital book based on the modification received from the first terminal 110a.

If the sharing counterpart is found, the sharing server 120 transmits the modification to the second terminal 110b of the sharing counterpart (step S232), and the second terminal 110b receiving the modification corresponds to the modification based on the modification. The digital book stored in the terminal 110b is updated (step S234). For example, the sharing server 120 may transmit the correction information including the correction contents to the second terminal 110b through the push server. In another embodiment, the sharing server 120 may transmit the modified digital book to the second terminal 110b. When the digital book with the modified content is received, the second terminal 110b may store the digital book with the modified content separately from the original digital book.

In one embodiment, the first terminal 110a may share the modification directly with another user's terminal through short-range wireless communication (step S236). For example, the first terminal 110a may share the modification directly with the second terminal 110b and / or the third terminal 110c through short range wireless communication such as Bluetooth, infrared communication, or wireless LAN. When there is no same digital book in the third terminal 110c, the first terminal 110a may directly share the modified digital book by transmitting it.

When the correction is received, the second terminal 110b may inform the user of the correction and the digital book to be corrected, and may ask whether the user updates or not to reflect the correction received in the digital book. If the user confirms the update, the second terminal 110b updates the corresponding digital book.

According to an embodiment, the second terminal 110b may create and manage a modification rejection list under the control of the corresponding terminal user. For example, the second terminal 110b may refuse to receive modifications modified by a specific user or a specific group, or may reject receiving modifications on a specific digital book.

In the above-described embodiment, the example in which the sharing server 120 directly transmits the modifications to the terminal has been described. In another embodiment, the sharing server 120 first transmits a message indicating that the modification has been made to the second terminal 110b. You can also send The sharing server 120 may transmit a message indicating that there is a modification to the second terminal 110b through the mobile communication network or the wireless Internet network. In one embodiment, the message may include information about the digital book to be modified (such as the digital book title, digital book version (character representing the print, edition or version) and / or serial number), revision summary, revision location, modifier identification Information and / or date of modification.

When receiving the message, the second terminal 110b accesses the shared server 120 through the mobile communication network or the wireless Internet network under the control of the user, receives the modified contents or the modified digital book, and stores the digital book in advance. Can be updated or a digital book with modified content can be stored separately. In the case of accessing the shared server 120 through the wireless Internet network, the cost of downloading data from the shared server 120 can be reduced.

When the first terminal 110a repeats the modification and sharing, steps S224 to S234 may be repeatedly performed. In addition, not only the first terminal 110a but also the second terminal 110b and the third terminal 110c may modify the digital book and share the modified contents.

6 is a flowchart illustrating another example of a digital book production method and a sharing method through the digital book production system and sharing system of FIG. 1.

Referring to FIG. 6, FIG. 6 is a flowchart of a case where the terminals 110a and 110b directly log in to the digital book server 140 to search for a digital book, and receive and store the found digital book (steps S610 to S616). to be.

After storing the digital book, the first terminal 110a logs in to the sharing server 120 under the control of the user and transmits information about the digital book stored in the first terminal 110a (step S618). For example, when accessing the sharing server 120, the first terminal 110a may search for a digital book stored in the terminal and automatically transmit information about the digital book. In one embodiment, the information about the digital book may include a digital book title, a digital book version (character representing a print, edition or version), a digital book serial number, a download date and / or a digital book summary.

The sharing server 120 updates the digital book ownership list for the user of the corresponding terminal based on the information on the digital book received from the first terminal 110a (step S620). Since the process is the same as step S224 to step S236 of FIG.

7 is a view for explaining a digital book production system and a sharing system according to another embodiment of the disclosed technology.

Referring to FIG. 7, the digital book production system and sharing system 700 includes a terminal 710, a sharing server (or a digital content sharing server) 720, and a database 730.

The terminal 710 may log in to the sharing server 720 to search for the digital book and modify the content of the digital book under the control of the user. The terminal 110 may share the modification with the other user by transmitting the modification to the sharing server 720.

The sharing server 720 manages digital books and the database 730 stores digital books. The terminal 710 may access the sharing server 720 to search for a digital book stored in the database 730 and to search for a specific page in the digital book. The sharing server 720 may provide the terminal 710 with the content of the searched page.

When the correction is received from the terminal 710, the sharing server 720 updates the digital book by reflecting the correction. In another embodiment, the sharing server 720 may store the updated digital book as a separate file by reflecting the modification. In an embodiment, the sharing server 720 may check whether the user of the terminal 710 which has transmitted the modification has the right to modify before updating the digital book.

In one embodiment, when the modification is received from the terminal 710, the sharing server 720 may update the history of the digital book and store the history data in the database 730. In one embodiment, historical data may include a modification date, a modification, a modification provider, and / or a modification sharing counterpart.

In one embodiment, the digital book production system and sharing system 700 may include a digital book server (or digital content storage server) (not shown) and a digital book database (or digital content database) (not shown). Can be. When the digital server is included separately from the shared server 720, the terminal 710 accesses the digital book server through the shared server 720, stores the digital book in the shared server 720, and stores the stored digital book. Can be modified.

8 is a flowchart illustrating a digital book production method and a sharing method through the digital book production system and sharing system of FIG. 7.

8 assumes a case where a user of the first terminal 710a and a user of the second terminal 710b have a relationship through a social network.

The first terminal 710a logs in to the sharing server 120 under the control of the user (step S810) and transmits search information for the digital book (step S812). The sharing server 720 retrieves the digital book from the database 730 based on the received search information. The first terminal 710a may read the searched digital book, and the sharing server 720 may provide the read page to the first terminal 710a.

The first terminal 710a may temporarily store the received page in a memory and display the page on the screen according to the user's control. The first terminal 710a may display the page of the digital book on the screen through a dedicated viewer or a general purpose viewer.

The user may modify the contents of the digital book through the first terminal 710a and select whether to share the modified contents. The process of modifying the contents of the digital book is the same as the process of FIGS. 3 to 5.

When the user inputs the correction and the share command for the correction, the first terminal 710a transmits the correction to the sharing server 720 (step S816). In an embodiment, the first terminal 710a may transmit the correction information including the correction contents received from the user to the sharing server 720. Revision information may include information about the digital book to be modified (digital book title, digital book version (letters representing print, edition, or version), etc.); It may include modifier identification information and / or modification date. In an embodiment, the first terminal 710a may transmit the modification content sharing condition together with the modification information to the sharing server 720.

When the correction is received from the first terminal 710a, the sharing server 720 updates the digital book by reflecting the correction (step S818). When the digital book is updated, the sharing server 720 may create a history for the digital book and store the history data in the database 730. In one embodiment, the sharing server 720 may store the updated digital book separately from the original digital book.

The second terminal 710b logs in to the sharing server 720 under the control of the user (step S820) and searches for a digital book (step S822). When the same digital book as the user of the first terminal 710a is searched, the sharing server 720 searches whether the user of the second terminal 710b corresponds to the sharing counterpart.

When the user of the second terminal 710b corresponds to the sharing counterpart, the sharing server 720 provides a history of the digital book to the second terminal 710b, and the second terminal 710b provides the history to the user. to provide. The second terminal 710b may view the digital book selected by the user based on the history (step S824). For example, when the user selects the original, the second terminal 710b may view the digital book of the original from the sharing server 720. When the user selects the third updated digital book, the second terminal 710b may read the original book. 710b may view the third updated digital book from the sharing server 720.

In another embodiment, the first terminal 710a and the second terminal 710b may download and store the digital book based on the history provided from the sharing server 720. For example, the first terminal 710a and the second terminal 710b may purchase and download an original digital book or may purchase and download an updated digital book.

When the first terminal 710a repeats the modification and sharing, steps S814 to S824 may be repeatedly performed. In addition, not only the first terminal 710a but also the second terminal 710b may modify the digital book and share the modified contents.

In the above embodiments, it has been described on the assumption that the digital book is shared through the sharing server. However, the sharing server may share and modify content produced by a specific user in addition to the digital book. In one embodiment, the sharing server may share and modify content uploaded from a particular terminal. For example, the second terminals 110b and 710b may upload the digital document, the digital video, or the digital audio created by the user to the sharing server 120 and 720. The second terminal 110b or 710b may transmit the sharing condition to the sharing server 120 or 720 together with the upload of the content.

The first terminals 110a and 710a modify the content provided from the sharing server 120 and 720 to provide the modified or modified content to the sharing server 120 and 720, and the sharing server 120 and 720 is modified. Shared content can be shared.

For example, the first user may upload a test paper written in a digital document to the sharing servers 120 and 720 through the terminal, and the terminal of the second user may receive the test paper from the sharing servers 120 and 720. The second user may create a test paper through the terminal and upload the written test paper to the sharing servers 120 and 720, and share the created test paper with the first user. The terminal of the first user may receive and display a test sheet created from the sharing servers 120 and 720, and the first user may mark the test sheet. The terminal of the first user may upload the scoring result to the sharing servers 120 and 720 to provide the scoring result to each user. Alternatively, the first user may upload a questionnaire written in a digital document to the sharing servers 120 and 720 through the terminal and share the questionnaire with a plurality of users to perform the questionnaire.

In another embodiment, content produced by a specific user may be delivered to another user through an email, and the terminal may download and store content received by the user's email. The terminal storing the received content by email may upload the modified content or the original content to the shared server under the control of the user, and the shared server may share and modify the uploaded content.

Although described above with reference to embodiments of the disclosed technology, those skilled in the art will be able to variously modify and change the invention without departing from the spirit and scope of the invention as set forth in the claims below. It will be appreciated.

110: terminal 120: shared server
130: Database 140: Digital Book Server
150: digital book database

Claims (32)

In the digital content sharing method performed in a digital content sharing system comprising a plurality of terminals for storing digital content, a digital content sharing server and a digital content storage server,
At least one terminal accessing the digital content storage server to select digital content, and downloading and storing the selected digital content;
The digital content sharing server updating the digital content possession list based on social network information and sharing conditions set by the user by a user of the terminal which has downloaded the digital content;
A first terminal downloading the digital content, displaying the digital content under a user's control, receiving a modification of the digital content, and updating the digital content;
Transmitting, by the first terminal, the updated digital content to the digital content sharing server; And
And the digital content sharing server receiving and storing the digital content received from the first terminal. The method of claim 1, wherein downloading and storing the digital content comprises:
And downloading, by the first terminal, the digital content by accessing the digital content storage server through the digital content sharing server. The method of claim 1, wherein downloading and storing the digital content comprises:
And downloading the digital contents by directly accessing the digital contents storage server by the first terminal. The method of claim 3,
And the first terminal accessing the digital content sharing server and transmitting information about the downloaded digital content to the digital content sharing server. The method of claim 1, wherein the at least one terminal
And a method of accessing the content sharing server through a mobile communication network or a wireless internet network. The method of claim 1, wherein transmitting the updated digital content to the digital content sharing server
Digital content sharing method, characterized in that for transmitting the modified content of the digital content. The method of claim 1, wherein transmitting the updated digital content to the digital content sharing server
And transmitting the file of the updated digital content. The method of claim 6 or 7, wherein transmitting the updated digital content to the digital content sharing server
And transmitting the updated information including the terminal identifier of the user who modified the contents, the identifier of the counterpart terminal corresponding to the sharing condition set by the user who modified the contents, and the digital content identifier together with the updated digital contents. Digital content sharing method. The method of claim 1, wherein receiving and storing the digital content received from the first terminal comprises:
Updating the modification history for the digital content based on the received digital content. The method of claim 1, wherein receiving and storing the digital content received from the first terminal comprises:
And updating a digital content possession list for the user of the first terminal based on the received digital content. The method of claim 1, wherein receiving and storing the digital content received from the first terminal comprises:
Transmitting, by the digital content sharing server, the received digital content to the digital content storage server; And
The digital content storage server includes storing the received digital content in a database. The method of claim 1,
Transmitting, by the digital content sharing server, the digital content received from the first terminal to a second terminal of at least one other user;
The second terminal of the at least one other user further comprises updating the digital content stored in the terminal based on the received digital content. The method of claim 12, wherein transmitting the received content to a second terminal of the at least one other user
And transmitting to the second terminal of the other party corresponding to the sharing condition set by the first terminal user based on the identifier of the first terminal user. The method of claim 13, wherein the user preset as the information sharing counterpart
And a user set as an acquaintance of the first terminal user through a social network. The method of claim 12, wherein transmitting the received content to a second terminal of the at least one other user
And transmitting the content to the other party's terminal corresponding to the sharing condition set by the user of the first terminal through the first terminal. The method of claim 12, wherein transmitting the received content to a second terminal of the at least one other user
Digital content sharing method, characterized in that for transmitting the modified content of the digital content. The method of claim 12, wherein transmitting the received content to a second terminal of the at least one other user
And transmitting the file of the updated digital content. The method of claim 12, wherein the digital content sharing server
If the digital content is transmitted, digital content sharing method, characterized in that for updating the digital content possession list for the user who transmitted the digital content. The method of claim 12,
And displaying, by the second terminal, the digital content under the control of a user, and receiving the correction contents for the digital content, and updating the digital content. The method of claim 19,
The second terminal further comprises the step of transmitting the updated digital content to the digital content sharing server. In the digital content sharing method performed in a digital content sharing system comprising a plurality of terminals for storing digital content, a digital content sharing server and a digital content storage server,
At least one terminal accessing the digital content storage server to select digital content, and downloading and storing the selected digital content;
Updating, by the digital content sharing server, a digital content possession list based on social network information of a user of a terminal downloading the digital content and a sharing condition set by the user;
A first terminal downloading the digital content, displaying the digital content under a user's control, receiving a modification of the digital content, and updating the digital content;
Transmitting, by the first terminal, the updated digital content to the digital content sharing server;
The digital content sharing server transmitting the digital content received from the first terminal to the digital content storage server, and the digital content storage server storing the received digital content in a database; And
And the digital content storage server providing the stored digital content to a third terminal and charging the third terminal with a fee set corresponding to the provided digital content. The method of claim 21,
The digital content storage server further comprises the step of paying a certain amount of the billed costs to the user of the first terminal. In the digital content sharing system including a plurality of terminals for storing digital content, a digital content sharing server and a digital content storage server,
At least one terminal of the plurality of terminals accesses the digital content storage server to select digital content, downloads and stores the selected digital content, and the first terminal that stores the digital content is controlled by the user. Display content, receive corrections to the digital content, update the digital content, transmit the updated digital content to the digital content sharing server,
The digital content sharing server updates the digital content possession list based on the social network information of the user of the terminal downloading the digital content and the sharing condition set by the user, and receives the digital content received from the first terminal. Digital content sharing system for storing. The method of claim 23, wherein
And the first terminal accesses the digital content storage server through the digital content sharing server to download the digital content. The method of claim 23, wherein
And the first terminal directly accesses the digital content storage server to download the digital content. The method of claim 25,
And the first terminal accesses the digital content sharing server and transmits information about the downloaded digital content to the digital content sharing server. The method of claim 23, wherein
The digital content sharing server transmits the digital content received from the first terminal to a second terminal of at least one other user,
And the second terminal updates digital content stored in the terminal based on the received digital content. The method of claim 27,
The second terminal is configured to display the digital content under the control of a user, to receive the corrected content of the digital content, to update the digital content, and to transmit the updated digital content to the digital content sharing server. Digital content sharing system. In the digital content sharing system including a plurality of terminals for storing digital content, a digital content sharing server and a digital content storage server,
At least one terminal of the plurality of terminals accesses a digital content storage server through the digital content sharing server, selects digital content, downloads and stores the selected digital content, and the first terminal storing the digital content is a user. Display the digital content according to the control, update the digital content by receiving the modifications to the digital content, and transmit the updated digital content to the digital content sharing server,
The digital content sharing server updates the digital content possession list based on the social network information of the user of the terminal downloading the digital content and the sharing condition set by the user, and receives the digital content received from the first terminal. Transmitting to the digital content storage server,
The digital content storage server stores the received digital content in a database, provides the stored digital content to a third terminal, and charges the third terminal with a set cost corresponding to the provided digital content. . The method of claim 29,
And the digital content storage server pays a predetermined amount of the charged cost to a user of the first terminal. A digital content sharing method performed in a digital content sharing system comprising a plurality of terminals and a digital content sharing server storing digital content,
Accessing the digital content sharing server, selecting digital content, and viewing the selected digital content by a first terminal;
Displaying, by the first terminal, the digital content and receiving the correction content for the digital content under the control of a user and transmitting the correction content to the digital content sharing server; And
And updating, by the digital content sharing server, the stored digital content based on modifications received from the first terminal and sharing conditions set by a user of the first terminal. 32. The method of claim 31, wherein the digital content sharing server
Storing the updated digital content separately from the original of the digital content; And
And updating a modification history for the digital content.

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