KR101570451B1 - System, apparatus, method and computer readable recording medium for providing n-screen service using a combined browsing about web cloud storage and network attached storage - Google Patents

Abstract

The present invention relates to an integrated browsing of a web cloud storage device and a network storage device capable of switching content stored in each storage device from a specific terminal to another terminal using integrated browsing of a web cloud storage device and a network storage device The present invention relates to an N-screen service providing apparatus, and more particularly, to an account interworking module for linking information of a network attached storage (NAS) provided in a specific network to a user account of a cloud storage device. A NAS information collection module for accessing the NAS linked to the user account and collecting information about files stored in the NAS; A cloud storage information collection unit for collecting information on a file corresponding to the user account of the cloud storage device from the cloud storage device; An information integration processing unit for integrating information about files stored in the NAS collected by the NAS information collection module and information about files stored in the cloud storage device collected by the cloud storage information collection unit; And a file playback processing module for receiving a playback request of a specific file selected from the integrated browsing result from the user terminal and transmitting the playback requested file to the user terminal.

Description

TECHNICAL FIELD [0001] The present invention relates to a system, an apparatus, a method, and a computer-readable storage medium for providing an insecure service using integrated browsing of a web cloud storage device and a network storage device. ABOUT WEB CLOUD STORAGE AND NETWORK ATTACHED STORAGE}

The present invention relates to an N-screen service capable of reproducing the same content in a plurality of terminals, and more particularly, to an N-screen service capable of reproducing the same content in a plurality of terminals, An apparatus, a method, and a computer-readable recording medium using an integrated browsing of a web cloud storage device and a network storage device capable of switching contents from a specific terminal to another terminal.

In general, the Internet is an open network configured to freely connect and use a common protocol called TCP / IP to a remote computer to be accessed anywhere in the world and to anyone. It is an open network that not only transmits basic character information but also develops compression technology, And various services such as e-mail, file transfer, and World Wide Web (WWW), which are used for delivering the service, can be used.

As the use of the internet has rapidly increased in Korea and the world, the importance of the Internet has been rapidly increasing as a strategic tool for improving efficiency and productivity throughout the existing industries. As a result, new business opportunities through the Internet have been continuously created , And the number of Internet service providers is also increasing.

On the other hand, as the performance of recently launched smartphones has improved, users are moving a lot from general mobile phones to smart phones. Smart phone is an intelligent mobile phone that adds a computer support function to a mobile phone. It is equipped with a personal digital assistant (PDA) function, internet function, video playback function, Etc., to provide a more convenient interface for use. In addition, with the support of the wireless Internet function, it is connected to the Internet and a computer and functions as a general personal computer (PC) such as e-mail, web browsing, faxing, banking, On the other hand, smart phones have a standard operating system (OS) or a dedicated operating system for various functions.

[0003] As various functions can be implemented through various portable terminals such as a smart phone, a variety of dedicated application programs and contents are being developed in the portable terminal.

Such dedicated applications that are installed and operated on a smartphone are commonly referred to as "apps." They are downloaded and installed on smartphones through paid applications or various free applications. Accordingly, a user can access a specific application market on a smart phone, search for a desired application, select the application, download and install the application.

Recently, with the popularization of smart phones, it is possible to access the web anytime and anywhere, and the cloud service is being activated. The cloud service is a service that can store user's contents such as movies, photos, music, and other media files and address books on a server and download it from any device including smart phone or smart TV.

However, the size of the storage space provided by the cloud service is limited, and in order to use more than a certain space, a certain amount of usage fee is required. Accordingly, as an alternative, a separate storage device is installed in the home network of the home, and a service for accessing the storage device from a user terminal outside the network is also provided. At this time, a storage device installed in the home network (or office network) is generally referred to as a network attached storage (NAS).

The NAS can be freely shared in a PC via a network sharing function in the network. If the setting of the router is changed, it is possible to access and share the NAS outside the network.

On the other hand, Korean Patent Laid-Open Publication No. 2012-0072100 entitled " Web Media Control Device for Interworking of Web Content Service and Home Network and Method Therefor "(Document 1) A web media control apparatus and method capable of reproducing multimedia contents on the Internet that can be accessed through a media terminal without a web browsing function on a home network.

However, in the conventional content providing methods as described above, the contents stored in the separate storage devices are separately accessed by accessing the cloud server and receiving the stored contents, or accessing the NAS in the home network and storing the contents. There was. In addition, when the user terminal is in an environment where it is difficult to directly access the NAS in the home network, the content stored in the NAS can not be used.

Accordingly, there is a need for a technology capable of accessing a cloud server through a user terminal such as a smart phone anytime and anywhere, and accessing a NAS in a home network to receive contents.

Recently, N-screen technology has been studied as a next-generation network service that can use the same contents in a plurality of terminal devices. N screen is a next-generation computing network service that enables one content to be shared among various digital information devices such as smart phones, PCs, smart TVs, tablet PCs, and automobiles.

The N-screen technology can continuously view one content at any time, regardless of time, place, or digital device. Therefore, it is a service that can watch movies downloaded from a computer on a TV, view it on a subway, on a smart phone, or on a tablet PC. In this case, N means that a plurality of digital terminals can be connected with an irregular integer, and it is an expanded concept of '3 screen play' meaning that three screens such as a mobile phone, a PC, and a TV can be continuously viewed.

As the N screen technology spreads, the necessity of a technique to access the cloud server anytime and anywhere, access the NAS in the home network to receive the content, and to view the content on the other terminal by applying the N screen technology It is a fact that is demanded.

[Patent Document 1] KOKAI Publication No. 2012-0072100 A web media control apparatus and method for linking web content service with a home network (Keitai Corporation) 2012.07.03

An object of the present invention is to provide a web cloud storage device and a network management method capable of integrating and browsing a web cloud storage device and a network storage device by accessing a web cloud server from a user terminal, And an object of the present invention is to provide a system, apparatus, method and computer-readable recording medium for providing an N screen service using integrated browsing of the storage device.

Another object of the present invention is to provide a web cloud capable of integrating and browsing a web cloud storage device and a network storage device by accessing a web cloud server from a user terminal and reproducing files stored in each device in a format optimized for the device, A method, and a computer readable recording medium for providing an N screen service using integrated browsing of a storage device and a network storage device.

It is another object of the present invention to provide a method and system for browsing a web cloud storage device and a storage device in a network by accessing a web cloud server from a user terminal, reproducing files stored in each device in a format optimized for the device, An apparatus, a method, and a computer readable recording medium for providing an N screen service using integrated browse of a Web cloud storage device and a network storage device that can be reproduced in conformity with the format of the terminal in the terminal.

In order to achieve the above-described object of the present invention and to achieve the specific effects of the present invention described below, the characteristic structure of the present invention is as follows.

According to an aspect of the present invention, an integrated service device for integrating and servicing a web cloud storage device and a network storage device may be configured to link information of a network attached storage (NAS) provided in a specific network to a user account of a cloud storage device An account linking module; A NAS information collection module for accessing the NAS linked to the user account and collecting information about files stored in the NAS; A cloud storage information collection unit for collecting information on a file corresponding to the user account of the cloud storage device from the cloud storage device; An information integration processing unit for integrating information about files stored in the NAS collected by the NAS information collection module and information about files stored in the cloud storage device collected by the cloud storage information collection unit; And a file playback processing module for receiving a playback request of a specific file selected from the integrated browsing result from the user terminal and transmitting the playback requested file to the user terminal.

Preferably, the file reproduction processing module confirms whether the file requested for reproduction is a file stored in the NAS or a cloud storage device, receives the file requested for reproduction from the device, and transmits the file to the user terminal.

Preferably, the file playback processing module includes: a terminal information verifying unit for confirming the information of the user terminal requested to reproduce in response to the reproduction request from the user terminal; And a file conversion unit for transcoding the file requested for reproduction to a format suitable for the model of the user terminal, according to a result of the confirmation by the terminal information verification unit.

Preferably, the file playback processing module is configured to synchronize playback of the previous file stored in the file playback information database when the file playback of the user terminal is terminated and playback of the file is requested again, And a processing unit.

Preferably, when the file reproduction of the user terminal is terminated and the file is requested to be reproduced by another user terminal, the file reproduction processing module checks the previous file reproduction information stored in the file reproduction information database, And a synchronization processing unit for processing the data.

Preferably, the file reproduction processing module includes a synchronization information transmitting unit for transmitting synchronization information to the NAS or the cloud storage location, and referring to the synchronization information stored in the storage device when the synchronization is executed.

The apparatus may further include an information retrieval module for retrieving the file information in the NAS stored in the NAS storage information database and the file information stored in the cloud storage information database stored in the NAS storage information database upon receiving the retrieval request from the user terminal; .

Preferably, the file playback processing module searches for a device capable of implementing a reproducible home N screen by selecting the N screen switching menu of the first user terminal, and transmits the retrieved result to the first user terminal.

Preferably, the file playback processing module is configured to perform a process such that, when the second user terminal is selected from the provided device list in the first user terminal, a file that was being played back on the first user terminal is played back on the selected second user terminal do.

Preferably, the file reproduction processing module processes the reproduction in the second user terminal in synchronization with the reproduction in the first user terminal.

According to another aspect of the present invention, there is provided an integrated service providing system for integrating and serving a web cloud storage device and a network storage device, the integrated service providing system including a user terminal installed with an application for integrated browsing of a cloud storage device and a network attached storage ; A cloud storage device that stores web accessible files in the storage space allotted for each user's account; A network attached storage (NAS) device provided in a specific network and accessible from a router outside the network; And integrating information on a file stored in the NAS and information on a file stored in the cloud storage device, which are collected from the NAS, in association with information of the NAS on the user account of the cloud storage device And an integrated service device for providing a playback request of the specific file selected from the integrated browsing result from the user terminal and transmitting the playback requested file to the user terminal.

According to another aspect of the present invention, there is provided a method for providing an integrated service between a cloud storage device and a network storage device (NAS), comprising the steps of: Linking information of a network attached storage (NAS) provided in a specific network to a user account of the cloud storage device; A NAS information collection step of accessing the NAS linked to the user account and collecting information about files stored in the NAS; A cloud storage information collection step of collecting information on a file corresponding to the user account of the cloud storage device from the cloud storage device; An information integration processing step of integrating the information about the file stored in the NAS collected in the step and the information about the file stored in the cloud storage device collected in the cloud storage information collection step; And a file playback processing step of receiving a playback request of a specific file selected from the integrated browsing result from the user terminal and transmitting the playback requested file to the user terminal.

Preferably, the file reproduction processing step determines whether the file requested to be reproduced is a file stored in the NAS or a cloud storage device, receives the file requested for reproduction from the device, and transmits the file to the user terminal.

Preferably, the file playback processing step includes: a terminal information checking step of checking information of the user terminal requested to be played back in response to receiving a playback request from the user terminal; And a file conversion step of transcoding the file requested for reproduction to a format suitable for the model of the user terminal, according to the result of the checking.

Preferably, the file playback processing step may include a step of, when the file playback of the user terminal is terminated and the playback of the file is requested again, the previous file playback information stored in the file playback information database is confirmed, Processing step.

Preferably, the file playback processing step includes: when the file playback of the user terminal is terminated and the file is requested to be played back on another user terminal, the previous file playback information stored in the file playback information database is checked and synchronized playback is performed And a synchronization processing step of processing the synchronization information.

Preferably, the file reproduction processing step includes transmitting synchronization information to the NAS or the cloud storage location so as to refer to the synchronization information stored in the storage device when the synchronization is executed.

Preferably, the method further comprises an information retrieving step of retrieving the file information in the NAS stored in the NAS storage information database and the file information in the cloud storage information database stored in the cloud storage information database according to reception of the retrieval request from the user terminal; .

Preferably, the file playback processing step searches for a device capable of implementing a reproducible home N screen by selecting the N screen switching menu of the first user terminal, and transmits the retrieved result to the first user terminal.

Preferably, the file playback processing step may include a step of, when the second user terminal is selected from the provided device list in the first user terminal, the file being reproduced by the first user terminal is reproduced by the selected second user terminal do.

Preferably, the file reproduction processing step performs processing such that reproduction in the second user terminal is reproduced in synchronization with reproduction in the first user terminal.

Meanwhile, the information for performing the integrated service providing procedure of the web cloud storage device and the network storage device may be stored in a recording medium readable by the server computer. Such a recording medium includes all kinds of recording media in which programs and data are stored so that they can be read by a computer system. Examples include ROMs (Read Only Memory), Random Access Memory, CD (Compact Disk), DVD (Digital Video Disk) -ROM, magnetic tape, floppy disk, optical data storage device, (For example, transmission over the Internet). Such a recording medium may also be distributed over a networked computer system so that computer readable code in a distributed manner can be stored and executed.

As described above, according to the present invention, contents stored separately in the cloud server and the NAS in the home network are integratedly browsed at the user terminal, and the integrated files are searched for the files stored in the two devices, You can reduce the inconvenience.

In addition, according to the present invention, there is an advantage in that a user terminal can access the Web cloud server to integrate and browse the Web cloud storage device and the network storage device, and to play files stored in each device in a format optimized for the device.

In addition, according to the present invention, the web cloud storage device and the network storage device are integrated for browsing and playback, and the other terminals can continuously reproduce the data in conformity with the format of the corresponding terminal. Thus, the N cloud storage device and the N There is an advantage that a screen can be implemented.

1 is a view illustrating a concept of a service through integrated browsing of a web cloud storage device and a network storage device according to the present invention.
2 is a diagram illustrating a system for providing an integrated service of a web cloud storage device and a network storage device according to an embodiment of the present invention.
3 is a diagram illustrating an architecture between devices in accordance with an embodiment of the present invention.
4 is a detailed structure of an integrated service apparatus according to the present invention.
5 is a flowchart illustrating an integrated browsing procedure of a web cloud storage device and a network storage device according to the present invention.
6 is a detailed structure of an integrated service device according to an embodiment of the present invention.
7 is a detailed structure of an information retrieval module according to an embodiment of the present invention.
8 is a diagram illustrating a detailed structure of a file playback processing module according to an embodiment of the present invention.
9 is a flowchart illustrating an integrated search service providing procedure in the integrated service apparatus according to the first embodiment of the present invention.
10 is a flowchart illustrating an integrated playback service providing procedure in an integrated service device according to a second embodiment of the present invention.
11 is a flowchart illustrating an N screen service providing procedure in the integrated service apparatus according to the third embodiment of the present invention.
12 is a diagram illustrating an example of an N screen service for switching from smartphone to smart TV according to an embodiment of the present invention.

The following detailed description of the invention refers to the accompanying drawings, which illustrate, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with an embodiment. It is also to be understood that the position or arrangement of the individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is to be limited only by the appended claims, along with the full scope of equivalents to which the claims are entitled, if properly explained. In the drawings, like reference numerals refer to the same or similar functions throughout the several views.

The present invention integrates and browses a Web cloud storage device and a network storage device by accessing a Web cloud server from a user terminal and provides various services by integrating the files stored in the web cloud storage device and the network storage device And a service providing system using integrated browsing of a web cloud storage device and a network storage device.

That is, according to the embodiment of the present invention, a user terminal can access a web cloud server, thereby browsing the web cloud storage device and the network storage device, and selecting a specific file to play back the file stored in each device.

To this end, the present invention abstracts the cloud storage device and the network storage device by bundling the storage devices in the network in the home network into one cloud application program interface (API).

In addition, according to the embodiment of the present invention, when the search is performed by setting specific conditions in the result of the unified browsing, integrated search results for the web cloud storage device and the network storage device can be provided.

According to another embodiment of the present invention, when a specific file is selected and reproduced from the result of the unified browsing, a file transcoded in a format optimized for the type of user terminal can be provided.

According to another embodiment of the present invention, when a specific file is selected and reproduced from the unified browsing result, the playback information may be stored and synchronized, and the same file may be synchronized through another terminal selected by the user Can be reproduced.

That is, according to the present invention, information of the current time at which music, moving pictures, etc. are reproduced can be stored in an external server, and the last played position is tracked and kept tracked, .

Also, all filenames or textual content (e.g., meta information) of the NAS and the cloud storage devices that were at home, at home, are indexed to the internal home network or to the external cloud server, making the search possible anywhere. In addition, according to the embodiment of the present invention, an API and functions can be provided to be played back on a PC, a mobile terminal, a smart TV, and the like.

The term 'user terminal' in the following description includes not only a general desktop computer but also a concept including a smart phone, such as a mobile communication terminal, a desktop computer, a notebook computer, a workstation, a palmtop computer, a digital assistant (PDA), a web pad, a settop box (STB), a smart TV, and the like, .

Also, in the following description, 'NAS' means a network attached storage device as a storage device provided in a network built in a specific area such as a home network or an office network (i.e., an intranet). That is, the NAS is a data storage device connected to a network, and stores a large amount of data or files, such as multimedia data, in the office in the office by attaching it to the network for easy storage.

Meanwhile, in the present invention described below, a method of integrating and browsing a file stored in a cloud server and a file stored in a NAS is disclosed. However, the NAS does not refer to a specific device or a specific term, The term " storage device "

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention.

First, the concept, apparatus and method of integrated browsing for providing an integrated service according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5, and then, referring to FIG. 6 to FIG. 12, An example of various integrated services provided according to the present invention will be described in detail.

Unified Browsing Concept

1 is a view illustrating a concept of a service through integrated browsing of a web cloud storage device and a network storage device according to the present invention. Referring to FIG. 1, files stored in the NAS 111 and the cloud storage 130 provided in the home network 110 may be integrated and browsed.

More specifically, the NAS 111, the smart TV 113, the PC 114, the STB 115, and the like included in the home network are shared through the router 112. At this time, various files or contents stored in the NAS 111 can be reproduced through the smart TV 113, the PC 114, etc. shared in the home network. In addition, a file stored in the NAS 111 can be read and reproduced by accessing the NAS 111 through a router 112 in a mobile terminal (e.g., a smart phone) 140.

The mobile terminal 140 accesses the cloud storage 130 through the Internet 120 and stores various files (e.g., images, music, moving images, documents, etc.) stored in the user space in the cloud storage 130 You can view, play or copy.

When accessing the cloud storage 130 in the mobile terminal 140 installed with the integrated browsing application according to the present invention, not only the files stored in the cloud storage 130 but also the files stored in the NAS 111 can be browsed have. For example, when an application that is connectable to the cloud storage 230 (e.g., the N drive) is executed from a mobile network 140 such as a smart phone or the like outside the home network, the cloud storage 130, according to an embodiment of the present invention, And the file stored in the NAS 111 in the home network. Accordingly, it is possible to collectively check and play back the files stored in each repository simply by accessing the cloud storage 130 without accessing the NAS 111 or the cloud storage 130 separately from the mobile terminal 140 .

Hereinafter, specific methods for implementing the concept according to the present invention will be described in detail.

Hereinafter, a system and an apparatus according to an embodiment of the present invention will be described with reference to FIGS. 2 to 4, and a method according to an embodiment of the present invention will be described with reference to FIG.

Integrated browsing delivery system

2 is a diagram illustrating a system for providing an integrated service of a web cloud storage device and a network storage device according to an embodiment of the present invention. 2, a system according to an embodiment of the present invention includes a user terminal 210, a communication network 220, a cloud service server 230, a network attached storage (NAS) 242 in a home network 240, And the like.

The home network 240 may include a NAS 242, a set top box 243, a PC 244 and a smart TV 245 as shown in the figure. The home network 240 may include a home network 240 ) It is possible to connect internal devices to external network. In addition, data sharing between home network internal devices can be enabled through the router 241. [

The user terminal 210 may access the NAS 242 through the router 241 in the home network 241 to identify and play back the stored file and may also access the communication network 220 from outside the home network 241. [ To the NAS 242 via the router 241 via the Internet.

At this time, in order to be able to connect to the NAS 242 outside the home network 240, the router 241 must be set to be able to connect to the external network. For example, a router can be automatically set up so that external terminals can access a computer or a storage device in a private network through NAT-PMP (NAT Port Mapping Protocol) or the like.

The user terminal 210 may access the cloud service server 230 through the communication network 220 and use the cloud service by accessing the storage area allocated to the user terminal 210 in the cloud storage device 232.

The cloud service server 230 may be configured to include an integrated service device 231 and a cloud storage device 232. The configuration of the devices in the server is for convenience of understanding the invention, The storage device 231 and the cloud storage device 232 may be physically separated or may be implemented in one server.

The integrated service device 231 of the cloud service server 230 integrates the files stored in the NAS 241 and the files stored in the cloud storage device 232 according to the embodiment of the present invention and transmits the combined files to the user terminal 210 to provide. Accordingly, the user can collectively receive information from the user terminal 210 without collectively connecting to the cloud storage device 232 and the NAS 242 separately.

To this end, the integrated service device 231 accesses the NAS 242 via the communication network 220 and the router 241, obtains the information of the file stored in the NAS 242, And provides the combined information to the user terminal 210. [ At this time, the same namespace is assigned to the same user, and the integrated data can be abstracted by dividing the cloud storage device 232 and NAS 242 into folders. For example, a user may access each storage device by adding '/ ndirve' for the cloud storage device 232 under the same namespace and '/ home' for the NAS 242. The detailed implementation and function of the integrated service device 231 will be described later in the description of FIG.

In addition, the integrated service device 231 integrates and browses the web cloud storage device and the network storage device as described above according to the embodiment of the present invention, and when the search request is received from the user terminal 210, Provides integrated search results for stored files. A detailed description thereof will be given later in the description of FIG. 7 and FIG.

In addition, the integrated service device 231 integrates and browses the web cloud storage device and the network storage device as described above according to the embodiment of the present invention, and optimizes the files stored in each device to the user terminal 210 And provides it.

In addition, the integrated service device 231 integrates and browses the web cloud storage device and the network storage device according to an embodiment of the present invention, provides the files stored in the respective devices in a format optimized for the device, So that the N-screen service can be provided.

2, the NAS 242 applied to the present invention is provided in the home network 240. However, the present invention is not limited to the home network. For example, it can be applied to any network built in a specific area including an intranet in an office.

The communication network 220 may be configured without regard to its communication mode, such as wired and wireless, and may be a personal area network (PAN), a local area network (LAN), a metropolitan area network ), A wide area network (WAN), and the like. Also, the communication network 220 may be a known World Wide Web (WWW), and may use a wireless transmission technology used for short-distance communication such as Infrared Data Association (IrDA) or Bluetooth It is possible.

3 is a diagram illustrating an architecture between devices in accordance with an embodiment of the present invention. Referring to FIG. 3, the N drive client storage manager (NCSM) corresponds to the integrated service device 231 of FIG. The NCSM may be connected to various devices (e.g., PC 244, NAS 242, STB 243, Smart TV 245, etc.) via a router 241 in the home network 240.

At this time, the router 241 can dynamically access the device through UPnP, NAT-PMP, or the like, so that the NCSM can access each device. For example, it can access the PC through UPnP and access the NAS by NAT-PMP.

Hereinafter, an integrated service device 231 according to the present invention included in the cloud service server 230 will be described in detail with reference to FIG.

Integrated service device

4 is a detailed structure of an integrated service device according to an embodiment of the present invention. 4, an integrated service device 231 according to an embodiment of the present invention includes a NAS information collection module 410, an account integration module 420, a cloud storage information collection module 430, an information request reception module 450, An integrated information request unit 460, an information integration processing unit 470, an information transmission unit 480, and the like.

First, the account linking module 420 performs a function of linking a user account of the cloud storage device 332 and a user account of the NAS 342 according to an embodiment of the present invention.

More specifically, when a user accesses the cloud service server 230 through the user terminal 210 and subscribes as a member, the cloud account registration unit 421 creates a cloud account for the registered user, And stores it in the account information database 423 together with the information. In addition, according to the embodiment of the present invention, when a user registers NAS information through the user terminal 210 for the integrated browsing service with the NAS 242, the NAS information registration unit 422 registers the NAS information for the corresponding user And stores it in the account information database 423. At this time, the account interlock processing unit 424 can provide information to enable integrated browsing by interlinking the cloud account and NAS information generated for the same user. For example, the user accesses the cloud service server 230 through the user terminal 210 to register the NAS information and establishes an interworking with the cloud account information that has already generated the registered NAS information, thereby obtaining the integrated browsing service according to the present invention You can be provided.

The NAS information collection module 410 accesses the registered NAS 242 via the router 241 and stores the storage information on the file stored in the NAS 242 Are provided. The storage information may include file name, extension, file size, date of creation, and meta information of the file (e.g., artist name, album name, play time, etc., if the file is a music file).

The NAS information collection module 410 may include a network interworking unit 411, a NAS information collection unit 412, and the like. The network interworking unit 411 provides a network interworking function so that the integrated service device 231 can interwork with the NAS 242. [ At this time, the network interworking unit 411 can access the NAS 242 via the router 241 provided in the home network. In order to access the NAS 242 in the integrated service apparatus 231, (341) is set to allow sharing of the external network. The NAS information collection unit 412 stores the NAS information collected through the NAS 242 in the NAS storage information database 413.

When requesting information for integrated browsing from the user terminal 310 (that is, when executing the integrated shared application installed in the user terminal 310), the information request receiving unit (not shown) of the integrated service apparatus 331 450 receives the information request and requests information for integrated browsing through the integrated information request unit 460 to each module. At this time, it is preferable that the user terminal 210 requesting integrated information requests information for integrated browsing after logging in to the cloud service server 230 including the integrated service device 231 as a cloud service account.

That is, when the user logs in with the cloud service account and requests information for integrated browsing, the integrated information request unit 460 requests the cloud storage information collected through the cloud storage information collection unit 430. The cloud storage information collection unit 430 stores the cloud storage information collected from the cloud storage device 332 in the cloud storage information database 440.

Meanwhile, according to the embodiment of the present invention, the integrated information requesting unit 460 refers to the account information database 423 of the account linking module 420 to check the NAS identification information mapped to the user's cloud service account. The NAS information collection module 410 accesses the corresponding NAS 242 according to the identified NAS identification information, and collects the NAS information and provides it to the information integration processing unit 470. In addition, the integrated information requesting unit 460 requests the cloud storage device 232 or the cloud storage information database 440 to store the cloud already stored in the cloud storage device 232 or the cloud storage information database 440 through the cloud storage information collection unit 430 for providing integrated browsing according to an embodiment of the present invention. And provides the collected information to the information integration processing unit 470. [

The information integration processing unit 470 integrates the file information stored for the user's cloud service account and the file information stored in the NAS linked to the cloud service account. Thus, the user can confirm the integrated storage information.

That is, the information collected from the two storage devices is integrated through the information integration processing unit 470, and is provided to the user terminal 210 through the information transfer unit 480. The user terminal 210 executes an application for installed integrated browsing and simultaneously displays cloud storage information and NAS storage information in one screen to perform integrated browsing.

In the meantime, each component of the integrated service device 231 is shown separately in order to show that it can be separated functionally and logically, and it means that it is physically separate component or implemented as separate code It is not.

In this specification, each functional unit (or module) may mean a functional and structural combination of hardware for carrying out the technical idea of the present invention and software for driving the hardware. For example, each functional unit may refer to a logical unit of a predetermined code and a hardware resource for executing the predetermined code, and may be a code that is physically connected to the function unit or a type of hardware. But can be easily deduced to the average expert in the field of the invention.

Also, in this specification, a database may mean a functional and structural combination of software and hardware that stores information corresponding to each database. The database may be implemented as at least one table. In addition, it can be implemented in various ways such as a linked-list, a tree, and a relational database, and includes all data storage media and data structures capable of storing information corresponding to the database.

Hereinafter, with reference to FIG. 5, an integrated browsing providing procedure applied to the present invention will be described.

How to provide integrated browsing

5 is a flowchart illustrating an integrated browsing procedure of a web cloud storage device and a network storage device according to the present invention. 5, when a user accesses the integrated service device 231 according to the present invention through the user terminal 210 and subscribes to the cloud service (S501), the information input at the time of the service submission is notified to the cloud service account information (S502).

When the NAS information to be linked to the cloud service is registered (S503) according to the embodiment of the present invention, the integrated service device 231 stores the registered NAS information in the database (S504), and the cloud service And associates the account with the registered NAS information (S505). By doing so, when the user logs in to the cloud service and browses the information stored in the cloud storage device, the NAS information interlinked with the NAS information can be browsed together according to the embodiment of the present invention.

Accordingly, when the application for integrated browsing installed in the user terminal 210 is executed and the information for integrated browsing is requested to the integrated service device 231 (S506), the integrated service device 231 performs the integrated browsing in the embodiment of the present invention Accordingly, the storage information of the file stored in the cloud storage device and the storage information collected from the NAS are integrated and provided together.

That is, the integrated service device 231 collects storage information about the account of the user who logs in from the cloud storage device according to the integrated browsing information request (S507). In addition, the integrated service device 231 requests NAS storage information to the corresponding NAS 242 linked to the user account of the cloud service (S508) as described above, (S509). The NAS storage information provided from the NAS 242 may be an actual stored file. Preferably, the NAS storage information may include basic information (e.g., file name, extension, file size, Meta information (e.g., an artist name, an album name, a playback time, etc.) when the file is a music file, and the like. The provided NAS storage information may be stored in the database (S510).

When the information of the files stored respectively from the cloud storage device and the NAS is collected, the cloud storage information and the NAS storage information are integrated (S511) according to the embodiment of the present invention. For example, it is possible to assign a same name space to the account of the logged-in user and to store the cloud storage information and the NAS storage information in a subdirectory format (E.g., in the form of '/ ndrive' for cloud storage information and 'home' for NAS storage information).

That is, by providing an HTTP (HyperText Transfer Protocol) REST (Representational State Transfer) API (Application Program Interface) exposing the same name space as the user's cloud service account, The corresponding cloud storage information and NAS storage information can be accessed and provided through the HTTP REST API, respectively.

The user terminal 310 receives the integrated storage information from the integrated service device 331 in the same manner as described above (S512), and integrates and browses the cloud storage information and the NAS storage information (S513).

Therefore, in the present invention, it is possible for a user to collectively check information stored in each storage device in a single connection without separately accessing the cloud service server and the NAS.

Thus, the integrated browsing method applied to the present invention has been described in detail with reference to FIG. Next, services according to each embodiment of the present invention will be described with reference to FIGS. 6 to 11.

6 is a detailed structure of an integrated service device according to an embodiment of the present invention. Referring to FIG. 6, the integrated service device 231 according to the embodiment of the present invention may further include an information search module 610 and a file playback processing module 620 in the integrated service device of FIG.

Hereinafter, an information search service by the information search module 610 will be described with reference to FIGS.

Information retrieval service

7 is a detailed structure of an information retrieval module according to an embodiment of the present invention. Referring to FIG. 7, the information search module 610 according to the embodiment of the present invention may include a search request receiving unit 710, a search performing unit 720, a search result transmitting unit 730, and the like.

As shown in FIG. 4, when integrated browsing is performed according to execution of an application for integrated browsing installed in the user terminal 210, a user can receive a search result by inputting a specific search condition.

That is, when the user terminal 210 inputs a specific search condition and requests a search, the search request receiving unit 710 receives a search request from the user terminal 210, and the search performing unit 720 searches the search request . ≪ / RTI > The search performing unit 720 searches the file information in the NAS stored in the NAS storage information database 413 and the file information in the cloud storage information database 440 stored in the cloud storage information database 440 according to the embodiment of the present invention Perform an integrated search. The search result is provided to the user terminal 210 requesting the search in the search result transmitting unit 730.

9 is a flowchart illustrating an integrated search service providing procedure in the integrated service apparatus according to the first embodiment of the present invention. Referring to FIG. 9, as described above with reference to FIG. 7, files stored in the NAS and the cloud server can be collectively searched according to the embodiment of the present invention.

First, when the user terminal 210 requests integration information to the integrated service device 231 (S902), the integrated service device 231 transmits the NAS storage information from the NAS 242 (S901), and stores the cloud storage information And provides them to the user terminal 210 in a unified manner. In the integrated browsing application installed in the user terminal 210, integrated information is received from the integrated service device 231 and integrated browsing (S904) is performed.

At this time, when the user inputs or sets a specific search condition (S905) and makes a search request (S906), the integrated service device 231 collectively searches the NAS storage information and the cloud storage information according to the search request (S907, S908 )do. Then, the search results are combined (S909) and transmitted to the user terminal requesting the search (S910). The user terminal 210 receives the search result from the integrated service device 231 and displays the search result (S911).

File Playback and N Screen Service

8 is a diagram illustrating a detailed structure of a file playback processing module according to an embodiment of the present invention. 8, a file playback processing module 620 according to an embodiment of the present invention includes a playback request receiving unit 810, a terminal information verifying unit 820, a file converting unit 830, a file requesting unit 840, A file transfer unit 850, a reproduction information storage unit 860, a synchronization information transfer unit 870, a synchronization processing unit 880, and the like.

When the user terminal 210 selects a specific file from the unified browsing result and requests playback, the playback request receiving unit 810 receives a playback request from the user terminal 210, and the file requesting unit 840 And requests the file requested for reproduction to the corresponding storage device. For example, when the file requested for reproduction is a file stored in the NAS, the file is requested to the NAS 242. If the file requested for reproduction is a file stored in the cloud storage device, Lt; / RTI > The file transfer unit 850 receives the requested file from the corresponding storage device and provides the file to the user terminal 210

In this case, according to the embodiment of the present invention, the terminal information verifying unit 820 may receive the reproduction request of the user terminal 210 in response to the reproduction request of the reproduction request receiving unit 810 through the account information database 423 or the like Check. Then, the file conversion unit 830 transcodes the file requested by the file request unit 840 in a format suitable for the model of the user terminal 210, when receiving the file requested to be reproduced by the file request unit 840. The file transfer unit 850 transfers the converted file to the user terminal 210 as described above. Accordingly, the user terminal 210 can reproduce the file converted into the format optimal for itself. At this time, the file format may be a resolution, a compression format, or the like.

Also, according to an embodiment of the present invention, the reproduction information storage unit 860 confirms the file reproduction information of the user terminal 210 from the file transmission unit 850 and stores the information in the file reproduction information database 890. Then, the user terminal 210 confirms and synchronizes the file reproduction information stored in the file reproduction information database 890 at the time of the next request after the reproduction of the corresponding file of the user terminal 210 or during the execution of the N screen to another user terminal .

That is, when the file reproduction of the user terminal 210 is terminated and the file is requested to be reproduced again or to be reproduced to another user terminal, the synchronization processing unit 880 stores the file reproduction information in the file reproduction information database 890 Check the stored file playback information to enable synchronized playback. Accordingly, at the time of N screen conversion according to the embodiment of the present invention, it is possible to synchronize and reproduce still another user terminal. Meanwhile, the synchronization information transmitting unit 870 may transmit the synchronization information to the NAS or the cloud storage location, thereby synchronizing with the synchronization information stored in the storage device.

10 is a flowchart illustrating an integrated playback service providing procedure in an integrated service device according to a second embodiment of the present invention. Referring to FIG. 10, when the user terminal 210 browses the integrated information according to the execution of the integrated browsing application (S1002), selects a file to be reproduced (S1003) and makes a playback request, (231). At this time, the integrated service device 231 may transfer NAS storage information from the NAS 242 (S1001).

The integrated service device 231 checks whether the file requested for reproduction is an NAS storage file (S1005), in response to a reproduction request of the user terminal 210. [ If the file requested to be played back is an NAS storage file, the NAS 242 requests a file to be played back (S1007). The NAS 242 transmits the file to the integrated service device 231 according to a file request of the integrated service device 231 (S1008). If the file requested to be reproduced is not a NAS storage file but a cloud storage file, the file is requested to the cloud storage device (S1006).

The integrated service device 231 receives the file requested to be reproduced from each corresponding storage device, and then confirms the information of the user terminal according to the embodiment of the present invention (S1009). Then, a file to be played back in a format optimized for the user terminal is transcoded (S1010).

If the reproduction synchronization information exists in the file requested for reproduction (S1011), the reproduction start point is synchronized with the synchronization information (S1012), and the file is transmitted to the user terminal (S1013). The user terminal 210 reproduces the file transmitted from the integrated service device 231 (S1014). When the reproduction is stopped (S1015), the reproduction synchronization information is transmitted to the integrated service device 231 (S1016). The integrated service device 231 stores the reproduction synchronization information received from the user terminal 210 (S1017), and synchronizes the reproduction synchronization information with reference to the reproduction request or the N screen execution.

11 is a flowchart illustrating an N screen service providing procedure in the integrated service apparatus according to the third embodiment of the present invention.

Referring to FIG. 11, when the first user terminal 210a browses the integrated information according to the execution of the integrated browsing application (S1002), selects a file to be reproduced (S1003) and makes a playback request, And is transmitted to the service device 231. At this time, the integrated service device 231 can receive the device information from each user terminal 210 and register it (S1101).

The first user terminal 210a receiving the reproduction file reproduces the received file (S1105). If the screen switching menu is selected (S1106) as shown in FIG. 12 according to an embodiment of the present invention, the integrated service device 231 requests playback device information (S1107).

The integrated service device 231 searches for N-screenable local device information according to a playback device information request (S1107) of the first user terminal 210a (S1108). The retrieved playback device information is transmitted to the first user terminal 210a.

When the first user terminal 210a receives and displays the playback apparatus information and selects a specific terminal (e.g., a second user terminal) from the displayed playback apparatus information (S1111), the integrated service apparatus 231 The handover is requested (S1112). At this time, the first user terminal 210a may stop the playback of the corresponding file (S1113) or may continuously play the file.

The integrated service device 231 receives the media handover request from the first user terminal 210a and confirms the information of the second user terminal (S1114). Then, it transcodes the file to be played back according to the information of the second user terminal received from the second user terminal 210b. Then, after confirming the reproduction synchronization information according to the file reproduction of the first user terminal 210a (S1116), the reproduction file is transmitted to the second user terminal 210b (S1117). The second user terminal 210b synchronizes and reproduces the transmitted reproduction file (S1118).

By doing so, files stored in NAS and cloud storage devices can be integrated for browsing and playback, and the N screen service can be implemented by switching the file being played back to another device and reproducing it.

Example

12 is a diagram illustrating an example of an N screen service for switching from smartphone to smart TV according to an embodiment of the present invention. Referring to FIG. 12, when a specific moving picture is selected and reproduced in the integrated browsing application 1210 installed in the user terminal 210, the corresponding file is played by the media player program.

At this time, if the N screen switching menu 1220 is selected in accordance with the embodiment of the present invention, a list 1230 of devices capable of implementing a playable home N screen as shown in the center of FIG. 12 is provided. If a specific device (e.g., smart TV) is selected from the provided device list, the moving picture being played back on the user terminal 120 is synchronized and played back subsequently on the selected Smart TV 245.

The various operations and functions as described herein with respect to the various methods may be performed by any of a number of types of functions, such as a particular processing function and / or a processing function implemented therein, and / ≪ / RTI > For example, such functions may be described herein, as well as performing various operations and processes as described herein, or any other operations and functions as described herein, etc., or the like, And may perform such operations, processes, and the like.

In some embodiments, such functions (which may be implemented on the same device or on distinct devices) may be implemented in such a manner and in accordance with various aspects of the present invention, etc., and / Operations and functions, and their equivalents. In some embodiments, such processing is performed together by the first functional portion in the first device and the second functional portion in the second device. In other embodiments, such processing, operations, etc. are performed entirely by the processing units within one particular apparatus. Even in other embodiments, such processing and operations are performed using at least a first functional portion and a second functional portion within a single device.

Also, in the foregoing description, the terms " system, " " device, " and " section " may be a single processing device or a plurality of processing devices. Such a processing device may be a microprocessor, a microcontroller, a digital signal processor, a microcomputer, a central processing unit, a field programmable gate array, a programmable logic device, a state machine, a logic circuit, an analog circuit, a digital circuit, and / (Analog and / or digital) based on hard coding of operational instructions. The processing module, module, processing circuit, and / or processing unit may be implemented as a single memory device, a plurality of memory devices, and / or a combination of the processing modules, the processing circuitry, and / Lt; / RTI > memory and / or an integrated memory element. Such a memory device may be any device that stores read only memory (ROM), random access memory (RAM), volatile memory, non-volatile memory, static memory, dynamic memory, flash memory, cache memory, and / . If the processing module, the module, the processing circuit, and / or the processing unit include one or more processing devices, the processing devices may be centrally located (i.e., directly or indirectly via a wired and / Connected), distributed (e.g., cloud computing via an indirect connection over a local and / or wide area network). If the processing module, module, processing circuit, and / or processing unit implements one or more of those functions through a static machine, analog circuitry, digital circuitry, and / or circuitry, memory and / It should further be noted that the corresponding operating instructions may be internal or external to the circuit including the static machine, analog circuitry, digital circuitry, and / or logic circuitry. The memory element may be stored and the processing module, module, processing circuitry, and / or processing unit may be configured to store a hard-coded and / or hard-coded data item corresponding to at least a portion of the steps and / or functions depicted in one or more of the figures It should be further noted that it carries out operational instructions. Such a memory device or memory element may be included within the components of the manufacture.

The invention has been described above with the aim of method steps illustrating the performance of certain functions and their relationships. The boundaries and order of these functional components and method steps have been arbitrarily defined herein for convenience of description. Alternative boundaries and sequences may be defined as long as the specific functions and relationships are properly performed. Any such alternative boundaries and sequences are therefore within the scope and spirit of the claimed invention. In addition, the boundaries of these functional components have been arbitrarily defined for ease of illustration. Alternative boundaries can be defined as long as certain important functions are properly performed. Likewise, the flow diagram blocks may also be arbitrarily defined herein to represent any significant functionality. For extended use, the flowchart block boundaries and order may have been defined and still perform some important function. Alternative definitions of both functional components and flowchart blocks and sequences are therefore within the scope and spirit of the claimed invention. Those skilled in the art will also appreciate that the functional components and other illustrated blocks, modules, and components herein may be implemented as illustrated or as separate components, such as semiconductor integrated circuits (ASICs) And the like, or any combination thereof.

The invention may also be described, at least in part, in the language of one or more embodiments. Embodiments of the invention are used herein to describe the invention, aspects thereof, features thereof, concepts thereof, and / or examples thereof. The physical embodiment of an apparatus, article of manufacture, machine, and / or process for implementing the invention may include one or more aspects, features, concepts, examples, etc., described with reference to one or more embodiments described herein . Moreover, in the entire drawings, embodiments may incorporate the same or similarly named functions, steps, modules, etc. that may use the same or different reference numerals, and so forth, Steps, modules, etc., may be the same or similar functions, steps, modules, etc., or the like.

In the meantime, the term " processing unit "is used in the description of various embodiments of the present invention. A module includes a functional block implemented via hardware to perform one or more functions, such as processing one or more input signals to produce one or more output signals. The hardware implementing the functional block may operate directly by combining software and / or firmware. As used herein, a module may include one or more sub-modules that are themselves modules.

While various combinations of features and specific combinations of features of the present invention are explicitly described herein, other combinations of these features and functions are likewise possible. The present invention is not limited to the specific examples disclosed herein, and explicitly incorporates these different combinations.

As described above, the present invention has been described with reference to particular embodiments, such as specific elements, and specific embodiments and drawings. However, it should be understood that the present invention is not limited to the above- And various modifications and changes may be made thereto by those skilled in the art to which the present invention pertains.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

110: Home 111: Network attached storage (NAS)
112: Router 113: Smart TV
114: PC 115: STB
120: Internet 130: Cloud storage
140: mobile terminal 210: user terminal
220: communication network 230: cloud service server
231: Integrated service device 232: Cloud storage device
240: home network 241: router
242: network attached storage (NAS) 243: set top box
244: PC 245: Smart TV
410: NAS information collecting module 411: Network interworking part
412: NAS information collection unit 413: NAS storage information database
420: Account linking module 421: Cloud account registration part
422: NAS information registering unit 423: account information database
424: an account linkage processing unit 430: a cloud storage information collection unit
440: Cloud storage information database
450: information request receiving unit 460: integrated information requesting unit
470: Information integration processing unit 480: Information transmission unit
610: Information retrieval module 620: File reproduction processing module
710: Search request receiving unit 720: Search performing unit
730: Search result transmitting unit 810: Playback request receiving unit
820: terminal information verification unit 830: file conversion unit
840: File requesting unit 850: File transferring unit
860: reproduction information storage unit 870: synchronization information transmission unit
880: Synchronization processing unit 890: File playback information database

Claims (22)

An integrated service device that provides an integrated usage environment for files stored in a cloud storage device and files stored in a network attached storage device (NAS)
An account linking module for linking information of a network attached storage (NAS) provided in a specific network to a user account of the cloud storage device;
A NAS information collection module for accessing the NAS linked to the user account and collecting information about files stored in the NAS;
A cloud storage information collection unit for collecting information on a file corresponding to the user account of the cloud storage device from the cloud storage device;
An information integration processing unit for integrating the information about the file stored in the NAS collected by the NAS information collection module and the information about the file stored in the cloud storage device collected by the cloud storage information collection unit to the user terminal; And
And a file playback processing module for receiving a playback request of a specific file selected as a result of the unified browsing from the user terminal and transmitting the playback requested file to the user terminal.
The file playback apparatus according to claim 1,
Confirms whether the file requested for reproduction is a file stored in the NAS or a cloud storage device, receives the file requested for reproduction from the device, and transmits the file to the user terminal.
The file playback apparatus according to claim 1,
A terminal information verifying unit for verifying the information of the user terminal requested to reproduce in response to the reproduction request from the user terminal; And
And a file conversion unit for transcoding the file requested for reproduction in a format suitable for the model of the user terminal according to the result of the confirmation by the terminal information verification unit.
The file playback apparatus according to claim 1,
And a synchronization processor for checking the previous file playback information stored in the file playback information database and processing the synchronized playback when the file playback of the user terminal is terminated and the playback of the file is requested again.
The file playback apparatus according to claim 1,
And a synchronization processing unit for checking the previous file playback information stored in the file playback information database and processing the synchronized playback when the file playback of the user terminal is terminated and the corresponding file is requested to be played on another user terminal Device.
The file playback apparatus according to claim 1,
And a synchronization information transmitting unit for transmitting the synchronization information to the NAS or the cloud storage location so as to refer to the synchronization information stored in the storage device upon execution of the synchronization.
The apparatus of claim 1,
And an information retrieval module for retrieving the file information in the NAS stored in the NAS storage information database and the file information stored in the cloud storage information database stored in the cloud storage information database upon receiving the retrieval request from the user terminal. Integrated service device.
The file playback apparatus according to claim 1,
Screen switching menu of the first user terminal, and transmits the retrieved result to the first user terminal.
The file playback apparatus according to claim 8,
Wherein when the second user terminal is selected from the list of devices capable of implementing the reproducible home N screen at the first user terminal, processing is performed so that a file being reproduced at the first user terminal is reproduced at the selected second user terminal Device.
The file playback apparatus according to claim 9,
And the playback in the second user terminal is synchronized with the playback in the first user terminal.
An integrated browsing providing system that provides an integrated use environment for files stored in a cloud storage device and files stored in a network attached storage device (NAS)
A user terminal for installing an application for integrated browsing of a cloud storage device and a network attached storage device (NAS);
A cloud storage device that stores web accessible files in the storage space allotted for each user's account;
A network attached storage (NAS) device provided in a specific network and accessible from a router outside the network; And
Integrating the information of the NAS stored in the NAS with the user account of the cloud storage device and integrating the information about the file stored in the NAS and the file stored in the cloud storage device collected from the NAS And an integrated service device for providing the user terminal with a playback request for a specific file selected as a result of the integrated browsing from the user terminal and transmitting the playback requested file to the user terminal.
A method for providing an integrated service providing an integrated use environment for a file stored in a cloud storage device and a file stored in a network storage device (NAS), comprising the steps of:
Linking information of a network attached storage (NAS) provided in a specific network to a user account of the cloud storage device;
A NAS information collection step of accessing the NAS linked to the user account and collecting information about files stored in the NAS;
A cloud storage information collection step of collecting information on a file corresponding to the user account of the cloud storage device from the cloud storage device;
An information integration processing step of integrating the information about the file stored in the NAS and the information about the file stored in the cloud storage device collected in the cloud storage information collection step collected in the step, to the user terminal; And
And a file playback processing step of receiving a playback request for a specific file selected as a result of the unified browsing from the user terminal and transmitting the playback requested file to the user terminal.
The method according to claim 12,
Determining whether the file requested for reproduction is a file stored in the NAS or a file stored in the cloud storage device, receiving the file requested for reproduction from the device, and transmitting the file to the user terminal.
The method according to claim 12,
A terminal information checking step of checking information of the user terminal requested to reproduce in response to receiving a reproduction request from the user terminal; And
And a file conversion step of transcoding the file requested for reproduction in a format suitable for the model of the user terminal according to the result of the checking.
The method according to claim 12,
And a synchronization processing step of processing the synchronized playback by checking previous file playback information stored in the file playback information database when the file playback of the user terminal is terminated and the playback of the file is requested again, .
The method according to claim 12,
And a synchronization processing step of checking the previous file playback information stored in the file playback information database and processing the synchronized playback when the file playback of the user terminal is terminated and the file is requested to be played on another user terminal Service delivery method.
The method according to claim 12,
And transmitting the synchronization information to the NAS or the cloud storage location so as to refer to the synchronization information stored in the storage device upon execution of the synchronization.
13. The method of claim 12,
And an information retrieving step of retrieving the file information in the NAS stored in the NAS storage information database and the file information stored in the cloud storage information database stored in the cloud storage information database according to reception of the retrieval request from the user terminal. How to provide integrated services.
The method according to claim 12,
Screen switching menu of the first user terminal, and transmits the retrieved result to the first user terminal. 2. The method of claim 1, further comprising:
The method according to claim 19,
If the second user terminal is selected from the provided device list in the first user terminal, the file being played back in the first user terminal is played back in the selected second user terminal.
The method according to claim 20,
And the playback of the second user terminal is synchronized with the playback of the first user terminal.
A computer-readable recording medium storing a program for executing the method according to any one of claims 12 to 21.

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