KR102225413B1 - Method for sharing contents based on cloud computing, system and service apparatus thereof - Google Patents

Abstract

In providing a cloud storage service, the present invention provides a cloud computing-based content sharing system and service that allows a user to access content stored in one or more other terminals that they use through a specific terminal based on a cloud computing environment. Regarding a device, a service device collects metadata about one or more contents stored in at least one terminal, and according to a request from a specific terminal, one or more other terminal information available to a user of the specific terminal and its A list of connected devices including connection status information with a cloud storage service device is provided to the specific terminal, and a content list of one or more contents stored in the other terminal is specified based on the metadata collected from the selected other terminal. It is provided to a terminal to support the specific terminal to share the content stored in the other terminal.

Description

TECHNICAL FIELD The method for sharing contents based on cloud computing, system and service apparatus thereof TECHNICAL FIELD

The present invention relates to cloud computing-based content sharing, and more particularly, cloud computing-based content that allows a user to access content stored in one or more other terminals that they use through a specific terminal based on a cloud computing environment. It relates to a system and a service device for sharing.

With the development of mobile communication networks and the development of terminal specifications, mobile communication terminals have become indispensable items for modern people, and are evolving into total entertainment devices beyond the scope of conventional simple communication devices or information providing devices.

In particular, in recent years, anytime, anywhere users connect to a server connected to the Internet using various terminals, store user data in storage (hereinafter referred to as cloud storage) provided by the server, and then store in cloud storage if necessary. Cloud computing technology, which can load and use data or use various applications using server resources, is widely used.

In particular, Cloud Storage Service (CSS) consists of physically separated network storage devices as one logical storage, and when a user requests, it allocates storage space by capacity in real time so that users can freely use it. Means service.

The cloud storage service allocates storage space to authorized users, and the user pays a usage fee corresponding to the allocated storage space, thereby using the cloud storage service.

However, the storage space used by the user is also a limited space, and in order to allocate and recover the storage space to a myriad of users, it is necessary to control the storage space efficiently.

In addition, the conventional cloud storage service simply stores the data uploaded by the user in the allocated storage, the user downloads the data stored in the storage again, or plays it on a cloud computing basis. In the case of a multi-device environment used together and an N-screen environment in which one or more terminals can be used in conjunction with each other, there is an inconvenience of uploading and downloading data for each terminal.

Accordingly, there is a need for a technology for efficiently utilizing a storage space based on cloud computing and a method for easily sharing content between one or more terminals used by a user.

Korean Patent Laid-Open Patent No. 10-2013-0089832, August 13, 2013 (Name: Content providing system and method using cloud service)

In providing a cloud storage service, the present invention provides a cloud computing-based content sharing system and service that allows a user to access content stored in one or more other terminals that they use through a specific terminal based on a cloud computing environment. I want to provide a device.

In particular, the present invention collects meta data for one or more contents stored in at least one terminal, and according to a request from a specific terminal, one or more other terminal information that can be used by the user of the specific terminal and its cloud storage service device Provides a list of connected devices including connection status information with the specific terminal to the specific terminal, and provides a content list of one or more contents stored in the other terminal to the specific terminal based on the metadata collected from the selected other terminal. , To provide a cloud computing-based content sharing system and service device that supports the specific terminal to share the content stored in the other terminal.

As a means for solving the above problems, the present invention, a service communication unit for transmitting and receiving data for content sharing by communicating with at least one terminal; A service storage unit that stores metadata on one or more contents stored in at least one terminal; And a list of connected devices including information on one or more other terminals available to a user of a specific terminal and connection status information with the cloud storage service device to a specific terminal, and from the selected other terminal according to a request from a specific terminal. Cloud computing-based including a service control unit that provides a content list of one or more contents stored in another terminal to a specific terminal based on the collected metadata, so that a specific terminal can share the contents stored in another terminal. It provides a service device for content sharing.

In the service device according to the present invention, the meta data includes at least one of an object name, a file type, a file size range, a file creation date, a recent update date, a resolution required for execution, a playback time, and a thumbnail. The list of connected devices may include at least one of a connection status icon indicating a current connection state, a device icon indicating a type of terminal, device information, and text guiding whether to establish a connection to the corresponding terminal.

In addition, in the service device according to the present invention, the service control unit provides a first button for storing contents together with the contents list, and when the first button is selected, local storage and cloud storage of a specific terminal from a specific terminal One of the selected contents may be selected as a storage location, and at least one selected content may be controlled to be stored in the selected storage location.

In addition, in the service device according to the present invention, the service control unit provides a second button for content transmission along with a content list, and when the second button is selected, one used by a user of a specific terminal and connected to the service device. One of the above other terminals may be selected, and at least one selected content may be received from the corresponding terminal and transmitted to the selected other terminal.

In addition, in the service device according to the present invention, when a specific content is selected from among one or more content included in the content list, the service control unit receives the content from the corresponding terminal and stores it in the cloud storage, and then the specific content stored in the cloud storage. Can play.

In addition, the present invention collects metadata about one or more contents stored in at least one terminal, and according to a request from a specific terminal, one or more other terminal information available to a user of a specific terminal and a cloud storage service device thereof. Provides a list of connected devices including connection status information of the terminal to a specific terminal, and provides a content list of one or more contents stored in another terminal based on metadata collected from the selected other terminal to a specific terminal, and the specific terminal A service device that supports sharing of content stored in another terminal; And accessing the service device to transmit metadata on one or more stored contents, receiving and outputting information on one or more other terminals and connection status information available to the user from the service device, and outputting other terminals according to the user's selection. It provides a cloud computing-based content sharing system including a terminal that receives and outputs a list of contents stored in the device.

In addition, the present invention provides a cloud computing-based cloud storage service device comprising: collecting and storing metadata about one or more contents stored in at least one terminal connected through a communication network; Providing to the specific terminal a list of connected devices including terminal information about one or more other terminals available to a user of a specific terminal and connection status information between each terminal and a cloud storage service device, according to a request of a specific terminal ; And if one of one or more other terminals included in the connected device list is selected, if selected, providing a content list for one or more contents stored in the other terminal to a specific terminal based on the metadata collected from the other terminal. It provides a cloud computing-based content sharing method.

The content sharing method according to the present invention includes the steps of: providing a first button for storing content together with a content list; When the first button is selected, receiving, from a specific terminal, selecting one of a local storage and a cloud storage of a specific terminal as a storage location; Selecting at least one of one or more contents included in the contents list; The method may further include receiving at least one selected content from the corresponding terminal and storing it in the selected storage location.

In addition, the content sharing method according to the present invention includes the steps of providing a second button for transmitting content together with a content list; Selecting one of one or more other terminals that can be used by a user of a specific terminal and connected to a service device when the second button is selected; Selecting at least one of one or more contents included in the contents list; The method may further include receiving at least one selected content from a corresponding terminal and transmitting it to another selected terminal.

In addition, the content sharing method according to the present invention includes: when a specific content is selected from among one or more content included in a content list, receiving the content from a corresponding terminal and storing the content in a cloud storage; The method may further include reproducing specific content stored in the cloud storage and providing it to a specific terminal.

In addition, the cloud computing-based content sharing method according to the present invention may be implemented as a program and stored in a computer-readable recording medium.

A cloud computing-based content sharing method according to the present invention, a system and a service device therefor, collect meta data for one or more contents stored in at least one terminal, and according to a request from a specific terminal, a user of the specific terminal By providing a list of connected devices including information on one or more other terminals that can be used and connection status information with the cloud storage service device to the specific terminal, the use of multi-devices used by the user or multiple terminals of the N-screen concept Make it intuitive to recognize.

In addition, the present invention provides a content list for one or more contents stored in the other terminal based on the collected metadata for another terminal selected from a list of connected devices, and provides a user with one or more contents stored in the selected other terminal. Make it accessible.

In addition, the present invention supports to store one or more contents stored in another terminal in a terminal or cloud storage that a user is currently using, or to transmit to another designated terminal, so that contents can be easily shared among multiple user terminals through a cloud computing environment. Support to be able to do it.

In addition, the present invention manages the content based on the metadata on the content collected from the terminal device by the service device, so that the content stored in a plurality of terminals can be integrated and used without uploading the content to the cloud storage. Cloud storage space can be used more efficiently.

1 is a diagram illustrating a configuration of a system for sharing content based on cloud computing according to an embodiment of the present invention.
2 is a block diagram showing the configuration of a terminal for sharing content based on cloud computing according to the present invention.
3 is a block diagram showing the configuration of a service device for sharing content based on cloud computing according to the present invention.
4 is a schematic diagram illustrating a cloud computing-based content sharing concept according to an embodiment of the present invention.
5 and 6 are flowcharts illustrating a cloud computing-based content sharing method according to an embodiment of the present invention.
7 to 11 are exemplary diagrams for explaining a cloud computing-based content sharing process according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, in the following description and the accompanying drawings, detailed descriptions of known functions or configurations that may obscure the subject matter of the present invention will be omitted. In addition, it should be noted that the same components are denoted by the same reference numerals as much as possible throughout the drawings.

In addition, terms or words used in the specification and claims should not be construed as limited to their usual or dictionary meanings, and the inventors are appropriately defined as the concept of terms for describing their own invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that it can be done. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all the technical ideas of the present invention, so that they can be replaced at the time of application. It should be understood that there may be various equivalents and variations. In addition, terms such as first and second are used to describe various elements, and are only used for the purpose of distinguishing one element from other elements, and are not used to limit the elements.

In addition, the present invention is made based on cloud computing technology, where cloud computing is an Internet-based computing technology, and information processing tasks such as information analysis, processing, storage, management, and distribution are performed in the cloud. It is done in a network space called. In particular, the present invention relates to a cloud storage service that can freely upload and download data by accessing it at any time through a communication network. For reference, in the present invention, for convenience of explanation, the server-based storage space existing on the network is referred to as cloud storage, and the storage space inside the user's terminal is divided into local storage.

1 is a diagram illustrating a configuration of a system for sharing content based on cloud computing according to an embodiment of the present invention.

Referring to FIG. 1, a system 100 for sharing content based on cloud computing according to an embodiment of the present invention includes a plurality of terminals 10, a service device 20, and a communication network 30.

A plurality of terminals 10 are devices capable of transmitting and receiving data by accessing the service device 20 through the communication network 30, and capable of transmitting and receiving various information through the communication network 30 according to the user's manipulation. It means the user's device. Any user device having a communication function capable of accessing the communication network 30 and an information processing function for performing a predetermined function in connection with the service device 20 may be applied to the plurality of terminals 10. For example, a number of terminals 10 include a mobile phone, a portable multimedia player (PMP), a mobile internet device (MID), a smart phone, a desktop, a tablet PC, and a notebook. book), Net book, etc. In particular, in the present invention, the plurality of terminals 10 include various types of multi-devices and devices of the N-screen concept that can be used by one user. For example, the first terminal 10a to the second terminal 10c are devices that can be used by the same user, wherein the first terminal 10a is a smartphone, the second terminal 10b is a tablet PC, The third terminal 10c may be a desktop PC. The user can access the service device 20 through each of the first terminal 10a to the third terminal 10c.

In the present invention, the plurality of terminals 10 each store one or more contents, access the service device 20, and store metadata about one or more contents stored in their local storage. ). Here, the content may include a sound source file, a video file, a web page, a document, a photo, and the like, and the metadata is data including information related to the content, and includes the object name, file type, and file size of the content. It may include one or more of a range, a file creation date, a recent update date, a resolution required for execution, a playback time, and a thumbnail. That is, the plurality of terminals 10 do not upload the content itself to the service device 20, but leave the content as it is, and upload metadata related to the content to the service device 20.

In addition, each of the plurality of terminals 10 receives a list of connected devices including information on one or more other terminals available to the user and information on their connection status from the service device 20 and outputs them to the user. The connected device list refers to a list of different terminals connected with the same user identification information (eg, user ID, user name, social security number, etc.).

And, when one terminal from the list of connected devices is selected, the plurality of terminals 10 receive the content list stored in the selected terminal from the service device 20 and output it to the user, and the content list through the service device 20 It is possible to provide a user with a sharing function including storage and transmission of content included in the content.

To this end, basically, the plurality of terminals 10 access the service device 20, receive a predetermined cloud storage area based on user identification information, and access the allocated cloud storage area to upload or download content. can do. In this case, all terminals that the same user can use can access and use the same cloud story area together.

In addition, a plurality of terminals 10 available to the user may share content with each other through the cloud storage area.

The service device 20 is a configuration for providing the above-described cloud computing-based content sharing service, and, like a typical cloud storage service, allocates cloud storage for each user, and provides content to the cloud storage allocated through the terminal 10. Provides for uploading or downloading. In addition, the service device 20 sets one or more terminals 10 for each user as a connected device, and sets one or more terminals 10 set as connected devices, that is, one or more terminals 10 available to the user. do. And, the service device 20 is a terminal being used by the user among one or more terminals 10 set as the connection device of the user, for example, according to a request from the first terminal 10a, to the connection device of the user. A list of connected devices including information on other terminals among the set one or more terminals 10 and connection state information thereof is provided to the first terminal 10a. Here, the connected device list includes one or more of a device icon corresponding to the type of terminal, device information, and text indicating whether to connect to the terminal, thereby intuitively recognizing the types and states of terminals available to the user. To be able to do it.

In addition, the service device 20 collects metadata about one or more contents stored in a local storage of each terminal from the one or more terminals 10. And, when any one of the list of connected devices is selected from the first terminal 10a, which is the terminal currently being used by the user, content for one or more contents stored in the other terminal based on the metadata collected from the selected other terminal. A list is provided to the first terminal 10a. Accordingly, the user can use the first terminal 10a to inquire a list of contents stored in another terminal that he or she has set as a connected device.

In addition, the service device 20 supports to store the content included in the content list of the other terminal in the local storage or the cloud storage of the first terminal 10a in use, and also includes it in the content list of the other terminal. It supports to transmit the content to another terminal. This will be described in more detail later.

In addition, the terminal 10 or the service device 20 according to the present invention mounts a processor in order to perform the above-described functions, and executes a program command implemented to execute the content sharing method according to the present invention. It is possible to provide a content sharing method according to. In one implementation example, the processor mounted on the terminal 10 or the service device 20 may be a single-threaded processor, and in another implementation example, the processor may be a multi-threaded processor. . Furthermore, the processor is capable of processing instructions stored in a memory or a storage device.

Through this, the service device 20 according to the present invention minimizes the load on the terminal 10, the service device 20, and the communication network 30 by differently extracting metadata for each terminal, time zone, and user, Cloud computing functions can be provided smoothly.

The communication network 30 connecting the terminal 10 and the service device 20 described above performs a series of data transmission/reception operations for data transmission and information exchange between the terminal 10 and the service device 20. Various types of communication networks can be used for the communication network 30, for example, wireless LAN (WLAN, Wireless LAN), Wi-Fi, Wibro, Wimax, and high-speed downlink packet access (HSDPA). , High Speed Downlink Packet Access) or wired such as Ethernet (Ethernet), xDSL (ADSL, VDSL), HFC (Hybrid Fiber Coax), FTTC (Fiber to The Curb), FTTH (Fiber To The Home), etc. A communication method can be used. Of course, the communication network 30 is not limited to the above-described communication method, and may include any other well-known or future developed communication method in addition to the above-described communication method.

The configuration and operation of the above-described terminal 10 and service device 20 will be described in more detail with reference to FIGS. 2 and 3.

2 is a block diagram showing the configuration of a terminal 10 for sharing content based on cloud computing according to the present invention.

Referring to FIG. 2, the terminal 10 according to the present invention includes a control unit 11, an input unit 12, a display unit 13, a storage unit 14, an audio processing unit 15, and a communication unit 16. Here, the control unit 11 includes a cloud service module 11a interworking with the service device 20 for sharing content based on cloud computing according to the present invention, and the storage unit 14 includes a content DB 14a, a terminal It contains information 14b.

The input unit 12 is a component for an input interface between the terminal 10 and the user, receiving various information such as number and character information, setting various functions, and receiving signals input in connection with the function control of the terminal 10. It is transmitted to the control unit 11. In addition, the input unit 12 may include at least one of a keypad and a touch pad that generate an input signal according to a user's touch or manipulation. In this case, the input unit 12 is configured in the form of a single touch panel (or touch screen) together with the display unit 13 to simultaneously perform input and display functions. In addition, as the input unit 12, in addition to input devices such as a keyboard, a keypad, a mouse, and a joystick, all types of input means that may be developed in the future may be used. In particular, the input unit 12 according to the present invention controls an input signal for uploading or downloading content to the service device 20 based on cloud computing, and a user input signal for sharing content stored in another terminal based on cloud computing. 11).

The display unit 13 is a component for an output interface between the terminal 10 and a user, and displays information on a series of operation states and operation results that occur while performing functions of the terminal 10. Specifically, the display unit 13 outputs a list of connected devices provided by the service device 20 that can be used by the user, outputs a list of connected devices selected by the user, that is, a list of contents stored in another terminal, and selects a user from among the contents list. A content playback screen may be output, or a user interface screen for storage or transmission may be output. The display unit 13 includes a liquid crystal display (LCD), an ultra-thin liquid crystal display (TFT-LCD, Thin Film Transistor LCD), a light emitting diode (LED), and an organic light emitting diode (OLED, Organic LED). ), an active organic light-emitting diode (AMOLED, Active Matrix OLED), a retina display, a flexible display, and a three-dimensional display. In addition, the display unit 13 may be implemented as a touch screen, and in this case, the display unit 13 may perform some or all of the functions of the input unit 12.

The storage unit 14 is a configuration for storing data, as well as main storage devices such as RAM and ROM, as well as auxiliary devices such as hard disks, floppy disks, ZIP, CD, DVD, Blu-Ray, SSD, USB memory, SD, etc. It may include a memory device, and stores data and programs required for functional operation of the terminal 10. The storage unit 14 may largely include a program area and a data area. Here, when the terminal 10 activates each function in response to a user's request, the terminal 10 provides each function by executing the corresponding application programs under the control of the controller 11. In particular, the storage unit 14 according to the present invention stores an OS program for booting the terminal 10 and a cloud service program for supporting a content sharing service based on cloud computing. In addition, the storage unit 14 stores a content DB 14a for storing a plurality of contents and terminal information 14b. In this case, the content DB 14a includes execution data for executing the content and attribute information on the content, and a content usage history according to the content execution is stored. In addition, the terminal information 14b may include terminal specification information.

The audio processing unit 15 performs a function of reproducing an audio signal and outputting it to the speaker SPK or processing an audio signal input from the microphone MIC and transmitting it to the control unit 11. The audio processing unit 15 may convert an analog audio signal input through a microphone into a digital format and transmit it to the controller 11. In addition, the audio processing unit 15 may convert a digital audio signal output from the controller 11 into an analog signal and output it through a speaker. In particular, the audio processing unit 15 according to the present invention may output an effect sound or an execution sound according to content execution.

The communication unit 16 is a configuration for connecting to the communication network 30 to transmit and receive data through the communication network 30, and in the present invention, communicates with the service device 20 through the communication network 30. Here, the communication unit 16 may include a wired toe-in module, a wireless communication module, a wireless LAN communication module, and a wireless fan communication module, depending on the type of the communication network 30.

The control unit 11 is functionally connected to the configurations of the terminal 10 described above, and controls the input unit 12, the display unit 13, the storage unit 14, the audio processing unit 15, and the communication unit 16 described above. To perform a predetermined function. The control unit 11 may be an OS (Operation System) program and a process device that drives each component. For example, the controller 11 may control the entire process of accessing the service device 20. For example, when accessing the service device 20 through a separate service application, the entire process of executing the service application can be controlled according to a user's request, and a service use request is transmitted to the service device 20 at the same time as execution. In this case, the terminal information required for user authentication can be controlled to be transmitted together.

The control unit 11 may execute specific content stored in the storage unit 14 according to a user's request. In this case, the controller 11 may store a content usage history according to content execution as content usage information.

The controller 11 may transmit and upload execution data for executing the content, content information including attribute information on the content, and content use information, which is information according to the content use history, to the service device 20 together. .

Thereafter, the control unit 11 may delete the contents transmitted to the service device 20 and uploaded from the storage unit 14 at the request of the user, and access the service device 20 through the service device 20. Content can also be executed and used.

In addition, the control unit 11 may access the service device 20 to download content from another terminal and then control it to be stored in the storage unit 14. It is also possible to control content to be executed after receiving only data.

In order to more effectively perform such a cloud computing-based content sharing function, the controller 11 may include a cloud service module 11a. In particular, the cloud service module 11a according to the present invention not only uploads and downloads content through interworking with the service device 20, but also a list of connected devices, which is information about other terminals available to the user, and a list of contents stored in the other terminal. Receives and outputs, and performs a function of storing the selected content from another terminal to a cloud storage or a local storage of the terminal 10, that is, in the storage unit 14, or transmitting the selected content to another terminal.

Next, the main configuration and operation method of the service device 20 that performs a cloud computing-based content sharing function according to the present invention in connection with the cloud service module 11a of the above-described control unit 11 will be described.

3 is a block diagram showing the configuration of a service device 20 for sharing content based on cloud computing according to the present invention.

Referring to FIG. 3, the service device 20 according to the present invention may include a service control unit 21, a service storage unit 22, and a service communication unit 23.

Here, the service control unit 21 includes a content management module 21a, a metadata management module 21b, a terminal management module 21c, and a user management module 21d, and the service storage unit 22 is a metadata DB (22a), it may include a terminal information DB (22b).

The service communication unit 23 serves to transmit and receive data to and from a plurality of terminals 10 through the communication network 30. In particular, the service communication unit 23 according to an embodiment of the present invention receives metadata about one or more contents stored in a local storage of each terminal from one or more terminals 10, and a connection device provided by the service device 20 A list and a content list are transmitted to one or more terminals 10.

The service storage unit 22 is a component for storing data and programs for functions of the service device 20. In particular, in the present invention, the service storage unit 22 may include cloud storage allocated for each user. In addition, the service storage unit 22 includes a connection device for each user, that is, a metadata DB 22a that stores metadata collected from one or more terminals 10 used by a user, and one or more terminals registered as connection devices for each user. It may include a terminal information DB (22b) for (10). Here, the metadata DB 22a collects and stores metadata periodically or according to conditions from one or more terminals 10, and stores the information by classifying each terminal using terminal information. The metadata includes information on the object name, file type, file size range, file creation date, latest update date, resolution required for execution, and playback time for content. In addition, the terminal information DB 22b stores and manages information on one or more terminals 10 used by the user, and the terminal information included at this time is classified and stored for each user, and terminal identification information, personal identification information, It may include user personal information such as residence, gender, and age group entered when signing up for the service.

In addition, the service storage unit 22 according to an embodiment of the present invention may be configured independently from the service device 20 to support a function for data transmission based on cloud computing. In this case, the service storage unit 22 may operate as a separate mass storage unit and includes a control function for performing the operation.

The service control unit 21 performs overall control of the service device 20 of the present invention. In particular, the service control unit 21 according to an exemplary embodiment of the present invention classifies one or more terminals 10 connected through the service communication unit 23 for each user and registers them as connected devices. In this case, terminal information may be received from the at least one terminal 10 and may be classified and stored for each user. In this case, the service control unit 21 may perform user authentication of the terminal 10 requesting the connection. In addition, the service control unit 21 collects metadata about one or more contents stored in a local storage of each terminal from the one or more terminals 10, and separates and stores each terminal. Here, the service control unit 21 may collect metadata through at least one metadata calling method in consideration of a situation in which user history and data are distributedly processed. That is, when an update according to content change is requested from one or more terminals 10, the service control unit 21 extracts the corresponding metadata so that only representative logic can be updated because all data cannot be updated, You can apply this. At this time, the service control unit 21 extracts the corresponding metadata so that the data in which the change has occurred can be preferentially updated by comparing with the existing data. That is, the service control unit 21 extracts metadata through an association method between the service device 20 and the terminal 10.

Metadata includes information such as object name, file type, file size range, file creation date, latest update date, resolution required for execution, and playback time for content. That is, the object name included in the metadata indicates a name that can distinguish content, and the file type is divided into videos, sound sources, photos, documents, etc., and the file size range is greater than, less than, less than, based on a certain size. The file creation date may indicate the date the content was created, the latest update date indicates the latest update date of the content, the resolution indicates the resolution at the time of playing the content, and the playback time indicates the content It can be displayed as the total playback time and the partial playback time.

In addition, the metadata may further include a thumbnail of the corresponding content. The thumbnail may be used when providing a content list for each connected device.

In addition, in response to a request from the terminal 10, the service control unit 10 provides terminal information on one or more other terminals registered as a connection device of the user of the terminal 10 and connection state information with the service communication unit 23. A list of connected devices to be included is provided to each terminal 10, and a list of contents stored in the selected terminal from which one of the connected device lists is selected is configured based on the collected metadata and provided to the terminal 10. In addition, the service control unit 10 supports content sharing such as storage, transmission, and playback of contents included in the contents list of the other terminal.

In order to more effectively perform the function of the service device 20, the service control unit 21 includes a content management module 21a, a metadata management module 21b, a terminal management module 21c, and a user management module 21d. Includes. In particular, the content management module 21a according to the present invention manages the content stored in the cloud storage for each user. The metadata management module 21b collects metadata about contents stored in local storage of each terminal collected from one or more terminals 10, and manages metadata in association with terminal information. The terminal management module 21c manages terminal information received from the terminal. In particular, the terminal information of one or more terminals set as connected devices for each user is grouped and managed for each user. The user management module 21d is a component for managing user information using a content sharing service according to the present invention, and may manage information on a content usage history for each user.

The service device 20 having the configuration as described above not only provides a cloud storage service to one or more terminals 10 used by a user as a multi-device or N-screen concept, but also provides a cloud storage service based on metadata and a cloud computing environment. It provides a content sharing function between one or more terminals 10. Here, content sharing includes functions such as inquiring, storing, transmitting, and reproducing a content list between the terminals 10.

When the concept of content sharing based on the metadata is described with reference to FIG. 4, it is assumed that the first to third terminals 10a to 10c are set as the user's connected devices and each store content.

In this case, the service device 20 collects metadata 1 to 3 for content stored in each local storage from the first to third terminals 10a to 10c.

In the above state, when the user is accessing the service device 20 using the first terminal 10a, the service device 20 is another terminal set as a connection device, that is, the second and third terminals 10b and 10c. A list of connected devices for, is provided to the first terminal 10a, so that the user can select a desired device. And the service device 20, based on the previously collected meta data 2 and meta data 3, the first terminal (10a) the content list of the content stored in the second and third terminals (10b, 10c) To be provided. Accordingly, the user can check the content list stored in the other terminals that he or she can use, that is, the second and third terminals 10b and 10c, through the first terminal 10a, and, in addition, the second and third terminals ( Playback, transmission, and storage of content stored in 10b and 10c) can be used through the first terminal 10a.

A cloud computing-based content sharing method by the service device 20 will be described with reference to the flowcharts of FIGS. 5 and 6 and the exemplary diagrams of FIGS. 7 to 11. For reference, one or more terminals 10 described below are terminals that can be used by a specific user, and are set as a connection device by the specific user, and are connected to the service device 10 through the communication network 30. It means a terminal.

Under the above assumption, the service device 20 may collect and store metadata about one or more contents stored in at least one terminal 10 connected through the communication network 30, as shown in FIG. 5 (S105). ). The metadata is information related to the corresponding content, and as described above, the object name, file type, file size range, file creation date, latest update date, resolution required for execution, playback time, and thumbnail as described above. It may include one or more of. The service device 20 connects the metadata collected from one or more terminals 10 to the terminal information DB 22b, and stores the metadata in the metadata DB 22a for each terminal. The collection of the meta data may be performed according to a request from the service device 20 or a request from the terminal 10 at a certain period or when the content status in the terminal 10 changes (for example, when content is added or deleted). have.

Then, the service device 20 checks whether a service request is generated from a specific terminal among one or more terminals 10 (S110). Typically, there may be one or more terminals available to the user, but the user is actually using one terminal at a predetermined time. Therefore, in the above, the specific terminal means the terminal currently being used by the user. In addition, the service request includes a request for a cloud computing-based content sharing service according to the present invention, and a request for sharing content stored in a terminal other than a specific terminal currently in use among one or more terminals 10 available to the user. Can be.

Thereafter, when a service request is received from any one of the one or more terminals 10, for example, the first terminal 10a currently being used by the user, the service device 20 is used by the user of the first terminal 10a. The first terminal (for example, a list of connected devices including terminal information for the second and third terminals 10b and 10c and connection status information between each terminal and the service device 20) that may be one or more other terminals (e.g., the first terminal ( 10a) (S115) The list of connected devices may be provided as illustrated in Fig. 7. That is, the list of connected devices 70 lists one or more other terminals available to the user. For each terminal, a connection status icon 71 indicating the connection status of the device, a device icon 72 indicating the type of the terminal, model information 73 of the terminal, and the connection status are guided. It may include one or more of the text 74. More specifically, the terminal registered as the user's connected device in the service device 20 includes a connection status icon 71, a device icon 72, and model information ( 73) is displayed, and when the device is not registered as a connected device, a text 74 guiding the connection setting is displayed along with the connection status icon 71 and the device icon 72. Accordingly, the user text 74 The connection setting of the corresponding terminal can be performed with reference to In addition, the connection status icon 71 indicates whether the corresponding terminal is currently connected to the service device 20, and the network status or terminal When the service device is not connected to the service device 20 according to the power off, the connection status icon 71 may indicate that it is not connected. For reference, the connection status icon 71 is color, brightness, and saturation. , You can display the connection status by changing the shape.

Accordingly, the user can intuitively recognize whether or not the connection of another terminal that can be used and the connection state is established through the connected device list 70 displayed as shown in FIG. 7. In addition, by selecting a desired terminal among one or more other terminals displayed in the connected device list 70, the user can share contents stored in the corresponding terminal.

Referring back to FIG. 5, after the service device 20 provides a list of connected devices to the first terminal 10a, a selection signal for any one of the terminals included in the list of connected devices from the first terminal 10a It is checked whether or not occurs (S120). That is, it waits for the user to select a terminal to be accessed from the list of connected devices.

Accordingly, if one of the other terminals included in the list of connected devices (for example, the second terminal 10b is selected, the second terminal 10b is selected, based on the metadata collected from the selected terminal, for example, the second terminal 10b), 2 A content list of one or more contents stored in the terminal 10b is provided to the first terminal 10a (S125) The content list screen of the other terminal provided as described above may be provided as shown in FIG. have.

That is, FIG. 8 is an illustration of a content list screen of another terminal provided through the service device 20 in the cloud computing-based content sharing method according to the present invention. Referring to this, a list of connected devices as shown in FIG. 7 When a specific terminal, for example, a mobile phone of model ??-240 is selected through click or touch input, as shown in screen 80 of FIG. 8, a summary including the location and number of contents stored in the selected other terminal Information may be provided for each content type. In addition, when one of the categories 82 representing the content type is selected on the screen 80, the content list screen 81 stored in the corresponding folder of the category is displayed, and the content list screen 81 , Each content may be expressed by a thumbnail 83 extracted from metadata or a file name.

Next, referring to FIG. 6, in providing the content list, the service device 20 according to the present invention includes one of a first button for storing content and a second button for transmitting content together with a content list. The above can be provided together (S205). That is, as shown in FIG. 8, a first button 84 for requesting content storage and a second button 85 for transmitting content to another terminal may be provided at the bottom of the content list. In addition, the user may request the storage or transmission of contents by selecting the first button 84 or the second button 85 through a click or touch input.

Referring back to FIG. 6, in the above state, when the first button 84 is selected (S210), the service device 20 is a terminal currently being used by the user, that is, the local storage of the first terminal 10a and One of the cloud storages is selected as a storage location (S215).

In addition, the service device 20 receives one or more content that the user wants to store from among the previously provided content list (S220).

Thereafter, the service device 20 retrieves one or more selected content from the corresponding terminal, that is, the second terminal 10b, and selects the storage location, that is, the local storage of the first terminal 10a or the cloud of the service device 20. It is stored in storage (S225). In the above, the order of steps S215 and S220 may be changed.

For reference, FIG. 9 is a diagram illustrating a process of storing content stored in another terminal in a local storage or a cloud storage according to the cloud computing-based content sharing method according to the present invention.

Referring to FIG. 9, as shown in screen 91, when the first button 84 for storage is clicked or selected through a touch input while a content list is provided, as shown in screen 92, one or more content from the content list is selected. At the bottom, a guide area 92a for guiding the content selection state, a select all button 92b for selecting all the contents of the content list at once, and a save button for requesting to save the selected content ( 92c) is displayed. Here, the selected content is supported so that other unselected content can be distinguished by different brightness or saturation.

In the above state, when one or more contents are selected and the save button 92c is selected, a storage area selection window 94a for selecting a storage location, such as a screen 94, is displayed in a pop-up form. The storage area selection window 94a is a selectable storage location, and displays cloud storage and a currently connected device currently being used by the user. When the storage location is selected, another terminal corresponding to the content list, that is, , When the process of fetching the selected content from the second terminal 10b and storing it in the selected storage location is performed, a message 95a indicating that the storage is in progress is displayed as shown in the following screen 95 during the storage, and when the storage is completed, As shown in screen 96, a message 96a informing that the storage has been completed is displayed.

For reference, when the currently connected device is selected in the storage area selection window 94a, the selected content is uploaded from the second terminal 10b to the cloud storage and temporarily stored, and then downloaded from the cloud storage to the first terminal 10a. It may be transferred from the second terminal 10b to the first terminal 10a and stored in the same manner.

Referring back to FIG. 6, after the content list is provided, when the second button for requesting content transmission is selected from the first terminal 10a (S230), the service device 20 A second terminal 10b corresponding to the content list among one or more other terminals connected to the service device 20, that is, one or more other terminals set as a connection device by the user of the first terminal 10a. One of the remaining terminals except for) is selected (S235).

In addition, the service device 20 receives a selection of at least one content to be transmitted from among one or more content included in the content list (S240).

Then, the service device 20 receives the selected at least one content from the second terminal 10b storing the content list, and receives another terminal selected in step S235, for example, the third terminal 10c. It is transmitted to (S245). The order of the steps S235 and S240 may be changed, and in step S245, the content transmission is performed by the service device 20 uploading the selected content from the second terminal 10b and temporarily storing it in the cloud storage, and then from the cloud storage. It may be done by downloading to the third terminal 10c.

For reference, FIG. 10 is a diagram illustrating a process of transmitting content stored in another terminal to another terminal according to the cloud computing-based content sharing method according to the present invention.

Referring to FIG. 10, as shown in screen 101, when a second button 84 for requesting transmission is selected through a click or touch input while a content list is provided, one or more contents of the content list are selected as shown in screen 102. It is provided for selection, and at the bottom, a guide area 102a for guiding the content selection status, a select all button 102b for selecting all contents of the content list at once, and an export button for requesting transmission of the selected content ( 102c) is displayed. Here, the selected content is supported so that other unselected content can be distinguished by different brightness or saturation.

In the above state, when one or more content is selected as shown in screen 1003 and the export button 102c is selected, the screen is switched to screen 104, and a selection window 104a for selecting a location to transmit the content is displayed in a pop-up form. . The selection window 104a is a location that can be selected, and from among one or more terminals that can be used by a corresponding user, other terminal information other than a terminal on which a current content list is displayed may be displayed.

Here, when a location to be transmitted is selected, a process of fetching the selected content from another terminal corresponding to the content list, that is, the second terminal 10b, and transmitting the content to the selected terminal is performed, and the next screen 105 is displayed while the content is transmitted. Likewise, a message 105a indicating that the transmission is in progress is displayed, and when the transmission is completed, a message 106a indicating that the transmission has been completed is displayed, as shown in screen 106.

In addition, the cloud computing-based content sharing method according to the present invention supports a user to select one of the contents of another terminal displayed in the content list and play it.

11 is a diagram illustrating a process of playing content stored in another terminal according to the cloud computing-based content sharing method according to the present invention.

Referring to FIG. 11, when a user selects any one of the content lists through a click or touch input on the screen 111 on which the content list is displayed, the selected content is output as shown in the screen 112. For example, when the content is a picture, the picture is output on the screen through a viewer program, and in the case of an audio file or a video file, it is played through a corresponding playback program. At this time, in the case of a video or audio file, it must be stored in the cloud storage for playback, so after notifying the user, the content selected from another terminal is uploaded and stored in the cloud storage, and the cloud computing environment of the service device 20 is The playback screen is provided to the terminal currently being used by the user, that is, the first terminal 10a by playing through.

Meanwhile, as described above, while selecting and playing back or outputting a specific content, it is possible to request storage or transmission of the content being played or output. That is, as shown in screen 112, a first button 84 for storage and a second button 85 for transmission are provided on the output screen of the selected content, and when the first button 84 is selected, the screen 113 As before, a selection window 113a is displayed to select a storage location among cloud storage or a currently connected device, and save, and a guide message 114a indicating the storage status, such as Dong-A, screen 114 and screen 115 being saved, 115a) is printed to guide the user.

Although not shown in FIG. 11, transmission of content being reproduced or output may be performed similarly to that of FIG. 10.

The cloud computing-based content sharing method of the present invention described above may be implemented as a program that can be read through various computer means and recorded in a computer-readable recording medium. Here, the recording medium may include a program command, a data file, a data structure, or the like alone or in combination. The program instructions recorded on the recording medium may be specially designed and constructed for the present invention, or may be known and usable to those skilled in computer software. For example, the recording medium is a magnetic medium such as a hard disk, a floppy disk, and a magnetic tape, an optical medium such as a CD-ROM (Compact Disk Read Only Memory), a digital video disk (DVD), and a floppy disk. Magnetic-Optical Media, such as a floptical disk, and hardware devices specially configured to store and execute program instructions such as ROM, Random Access Memory (RAM), Flash memory, etc. do. Examples of the program instructions may include not only machine language codes such as those produced by a compiler, but also high-level language codes that can be executed by a computer using an interpreter or the like.

In addition, the program executing the method according to the present invention may be written in any form of a compiled or interpreted language or a programming language including a priori or procedural language, and a standalone program, module, component, subroutine, or computer environment. It can be deployed in any form, including other units suitable for use in Programs do not necessarily correspond to files in the file system. A program may be in a single file provided to the requested program, or in multiple interactive files (e.g., files that store one or more modules, subprograms or parts of code), or part of a file that holds other programs or data. (Eg, one or more scripts stored within a markup language document). The computer program may be deployed to run on one computer or multiple computers located at one site or distributed across a plurality of sites and interconnected by a communication network.

In addition, although the present specification and drawings disclose a preferred embodiment of the present invention, it is common in the technical field to which the present invention pertains that other modified examples based on the technical idea of the present invention can be implemented even with the exceptions disclosed herein. It is self-evident to those who have knowledge. In addition, although specific terms have been used in the specification and drawings, these are merely used in a general meaning to easily describe the technical content of the present invention and to aid understanding of the present invention, and are not intended to limit the scope of the present invention.

In addition, the service device 20 or the terminal 10 according to the present invention may process program instructions for executing the method according to the present invention through one or more processors. In one implementation, the processor may be a single-threaded processor, and in another implementation, the processor may be a multithreaded processor. Furthermore, the processor is capable of processing instructions stored on a memory or a storage device. In addition, the program command may include interpreted commands such as script commands such as JavaScript or ECMAScript commands, executable codes, or other commands stored in a computer-readable medium. Furthermore, the device according to the present invention may be implemented in a distributed manner over a network, such as a server farm, or may be implemented in a single computer device.

A cloud computing-based content sharing method according to the present invention, a system and a service device therefor, can be applied to a cloud storage service, and collects metadata about one or more contents stored in at least one terminal, and requests from a specific terminal. Accordingly, by providing a list of connected devices including information on one or more other terminals available to the user of the specific terminal and connection status information with the cloud storage service device to the specific terminal, multi-device or N- It makes it possible to intuitively recognize the use of multiple terminals of the screen concept.

In addition, the present invention provides a content list for one or more contents stored in the other terminal based on the collected metadata for another terminal selected from a list of connected devices, and provides a user with one or more contents stored in the selected other terminal. Make it accessible.

In addition, the present invention supports to store one or more contents stored in another terminal in a terminal or cloud storage that a user is currently using, or to transmit to another designated terminal, so that contents can be easily shared among multiple user terminals through a cloud computing environment. Support to be able to do it.

In addition, the present invention manages the content based on the metadata on the content collected from the terminal device by the service device, so that the content stored in a plurality of terminals can be integrated and used without uploading the content to the cloud storage. Cloud storage space can be used more efficiently.

10: terminal
20: service device
21: service control unit
22: service storage
23: Service Communication Department
30: communication network

Claims (12)

A service communication unit that communicates with at least one terminal to transmit and receive data for content sharing;
A service storage unit for storing metadata about one or more contents stored in the at least one terminal and one or more contents transmitted from the at least one terminal; And
In response to a request from a specific terminal, a list of connected devices including information on one or more other terminals available to the user of the specific terminal and connection status information with the cloud storage service device is provided to the specific terminal, and the specific terminal A service controller configured to provide a content list of one or more contents stored in the other terminal to the specific terminal based on metadata of another terminal selected from, and control the specific terminal to share the contents stored in the other terminal; Including,
The service control unit
Collecting the meta data by using at least one meta data calling method using the situation in which user history and data are distributedly processed,
A service device for sharing contents based on cloud computing, characterized in that the corresponding metadata is extracted so that only representative logic can be updated and the extracted metadata is applied. delete delete The method of claim 1, wherein the service control unit
Providing a first button for storing contents together with the contents list,
When the first button is selected, one of the local storage and the cloud storage of the specific terminal is selected from the specific terminal as a storage location, and at least one selected content is stored in the selected storage location. Service device for content sharing. The method of claim 1, wherein the service control unit
In addition to the content list, providing a second button for content transmission,
When the second button is selected, the user of the specific terminal selects one of one or more other terminals connected to the service device, receives at least one selected content from the terminal, and transmits the selected at least one terminal to the selected other terminal. A service device for sharing content based on cloud computing. delete Collects metadata about one or more contents stored in at least one terminal, and according to a request from a specific terminal, information on one or more other terminals that can be used by the user of the specific terminal and connection status information with the cloud storage service device Provides a list of connected devices including a connected device to the specific terminal, and provides a content list of one or more contents stored in the other terminal based on metadata of another terminal selected from the specific terminal to the specific terminal, A service device that supports a terminal to share contents stored in the other terminal; And
It accesses the service device and transmits metadata about one or more stored contents, receives and outputs one or more other terminal information and connection status information available to the user from the service device, and displays the information according to the user's selection. Including; a terminal for receiving and outputting a list of contents stored in another terminal,
The service device
Collecting the meta data by using at least one meta data calling method using the situation in which user history and data are distributedly processed,
A system for sharing content based on cloud computing, characterized in that corresponding metadata is extracted so that only representative logic can be updated and the extracted metadata is applied. delete delete delete delete delete

Images