KR20200075805A - Method for sharing contents using personal cloud device, Electronic device and Personal Cloud System thereof - Google Patents

Abstract

Provided are a content sharing method using a personal cloud device, an electronic device applying the same, and a personal cloud system. The content sharing method of the electronic device comprises: making a connection with the personal cloud device capable of sharing content with other electronic devices; determining an upload condition of the electronic device when new first content is added to a preset first folder; and transmitting the first content to the personal cloud device when the upload condition satisfies the preset condition. Accordingly, a user can share content between a plurality of electronic devices in real time using the personal cloud device.

Description

Method for sharing contents using personal cloud device and electronic device using the same, and personal cloud system

The present invention relates to a content sharing method, an electronic device to which the same is applied, and a personal cloud system, and more specifically, a content sharing method and a content sharing method capable of sharing content by accessing a personal cloud device through a home network or an external network Electronic devices, and personal cloud systems.

As the amount of content increases and communication technology develops, in recent years, cloud services have been provided to store various content on a server and download content from a server anytime, anywhere using electronic devices such as a smart phone. .

Among these cloud services, the existing public cloud service is provided with a server having a fixed infrastructure, and a client (for example, an electronic device) through a fixed internet identifier (for example, an IP address or domain). It consists of a structure that can be accessed by a server. In addition, the existing NAS (Network Attached Storage) system is a shared storage system on the network that can be shared by uploading or downloading content using electronic devices from inside or outside.

Since the existing cloud service as described above often uses a cloud server in public, a privacy problem may also occur. In particular, in recent years, a number of electronic devices (for example, smart phones, smart TVs, tablet PCs, etc.) are used in the home, and as the need for content sharing among families increases, individuals in the home use alone or family members. There is an increasing need for the development of private cloud devices that can be used in the public.

The present invention has been devised to solve the above-mentioned problems, and an object of the present invention is to provide a content sharing method using a personal cloud device capable of sharing contents of a personal cloud device provided in a home, and an electronic device using the same. It provides devices and personal cloud systems.

Another object of the present invention is to provide a user authentication method that provides a secure area within a personal cloud device so that only authenticated users can use the content of the secure area.

According to an embodiment of the present invention for achieving the above object, a method for sharing content of an electronic device includes: performing a connection with a personal cloud device capable of sharing content with other electronic devices; When new first content is added to the preset first folder, determining an upload condition of the electronic device; And when the upload condition satisfies a preset condition, transmitting the first content to the personal cloud device.

In addition, the upload condition may include at least one of a network state connected between the electronic device and the personal cloud device, and battery information of the electronic device.

In addition, in the step of transmitting, when the electronic device and the personal cloud device are connected to a preset network interface, and the battery level of the electronic device is equal to or greater than a preset value, the first content is transmitted to the personal cloud device. Can.

In addition, when the first content is transmitted, the personal cloud device may store the first content in a preset folder and update the database managing the content.

In addition, determining the download conditions of the electronic device; If the download condition of the electronic device satisfies a preset condition, periodically requesting update information of a database managing content of the personal cloud device from the personal cloud device; If the update information exists in the database, downloading the updated second content from the personal cloud device; And storing the second content in a preset second folder.

The download condition may include at least one of a network state connected between the electronic device and the personal cloud device, battery information of the electronic device, and memory information of the electronic device.

In addition, the requesting step may check the last downloaded content information and timestamp recorded in the database of the personal cloud device and request updated content information from the personal cloud device.

And, when the download of the second content is completed, transmitting the download result to the personal cloud device; including, the personal cloud device, the content information and the time stamp last downloaded based on the download result Can be updated.

In addition, when the third content is generated by modifying the first content stored in the first folder, determining an upload condition of the electronic device; And when the upload condition satisfies a preset condition, transmitting the third content to the personal cloud device, wherein the personal cloud device can store the first content and the third content together. have.

Then, when the fourth content generated by modifying the second content exists in the database of the personal cloud device, downloading the fourth content from the personal cloud device; And storing the downloaded fourth content together with the second content in the second folder.

In addition, the personal cloud device, when an external device is connected to the personal cloud device by wire, and the content stored in the external device is uploaded to the personal cloud device, updates the database of the personal cloud device, the electronic device The content stored in the external device can be downloaded from the personal cloud device.

In addition, when an external device is connected to the personal cloud device by wire, and the fifth content pre-stored in the personal cloud device through the external device is overwritten with new sixth content, the personal cloud device may include the sixth. The content and the timestamp at the time when the sixth content is overwritten are stored in the database, and the electronic device can check the timestamp and download the sixth content and store it together with the fifth content.

On the other hand, according to an embodiment of the present invention for achieving the above object, the electronic device, a communication unit for communicating with a personal cloud device that can share content with other electronic devices; A storage unit for storing content; And when new first content is added to the preset first folder of the storage unit, the upload condition of the electronic device is determined, and when the upload condition satisfies the preset condition, the first content is transferred to the personal cloud device. It includes; a control unit for controlling the communication unit to transmit.

In addition, the upload condition may include at least one of a network state connected between the electronic device and the personal cloud device, and battery information of the electronic device.

In addition, when the controller is connected to a predetermined network interface between the electronic device and the personal cloud device, and the battery level of the electronic device is greater than or equal to a preset value, the control unit transmits the first content to the personal cloud device. The communication unit can be controlled.

In addition, when the first content is transmitted, the personal cloud device may store the first content in a preset folder and update the database managing the content.

In addition, the control unit determines the download condition of the electronic device, and when the download condition of the electronic device satisfies a preset condition, updates information of a database that manages the content of the personal cloud device from the personal cloud device. Request periodically, if there is update information in the database, control the communication unit to download updated second content from the personal cloud device, and store the second content in a second preset folder of the storage unit have.

The download condition may include at least one of a network state connected between the electronic device and the personal cloud device, battery information of the electronic device, and memory information of the electronic device.

In addition, the control unit may control the communication unit to request the updated content information from the personal cloud device by checking the last downloaded content information and timestamp recorded in the database of the personal cloud device.

Then, when the download of the second content is completed, the control unit controls the communication unit to transmit the download result to the personal cloud device, and the personal cloud device, the last downloaded content based on the download result Information and timestamps can be updated.

Further, when the third content is generated by modifying the first content stored in the first folder, the controller determines an upload condition of the electronic device, and when the upload condition satisfies a preset condition, the The communication unit is controlled to transmit third content to the personal cloud device, and the personal cloud device can store the first content and the third content together.

The controller controls the communication unit to download the fourth content from the personal cloud device when the fourth content generated by modifying the second content exists in the database of the personal cloud device. The storage unit may be controlled to store the fourth content in the second folder together with the second content.

In addition, the personal cloud device, when an external device is connected to the personal cloud device by wire, and the content stored in the external device is uploaded to the personal cloud device, updates the database of the personal cloud device, the control unit , It is possible to control the communication unit to download the content stored in the external device from the personal cloud device.

In addition, when an external device is connected to the personal cloud device by wire, and the fifth content pre-stored in the personal cloud device through the external device is overwritten with new sixth content, the personal cloud device may include the sixth. The content and the timestamp at the time when the sixth content is overwritten are stored in the database, and the control unit controls the communication unit to download the sixth content by checking the timestamp, together with the fifth content The storage unit may be controlled to store the sixth content.

On the other hand, according to an embodiment of the present invention for achieving the above object, the first electronic device, the second electronic device and a method for sharing content of a personal cloud system including a personal cloud device, the first electronic device, the first 2 performing a connection between the electronic device and the personal cloud device; When new first content is added to a preset first folder of the first electronic device, determining, by the first electronic device, an upload condition of the electronic device; When the upload condition satisfies a preset condition, the first electronic device transmitting the first content to the personal cloud device; The personal cloud device storing the first content and updating information in a database; Checking, by the second electronic device, update information of the database of the personal cloud device, downloading the first content from the personal cloud device; And storing, by the second electronic device, the first content in a preset second folder of the second electronic device.

On the other hand, according to an embodiment of the present invention for achieving the above object, the user authentication method between the electronic device and the personal cloud device, the electronic device, receiving a password input by the user; The electronic device encrypting the password using a public key; Transmitting, by the electronic device, the encrypted password to the personal cloud device; Verifying, by the private cloud device, the encrypted password using a private key; When the encrypted password is verified, the personal cloud device generating and storing a session key for user authentication; Encrypting the session key using the private key by the private cloud device; Transmitting, by the personal cloud device, the encrypted session key to the electronic device; And the electronic device decrypting the encrypted session key using the public key.

According to various embodiments of the present invention as described above, a user may be able to share content in real time between a plurality of electronic devices using a personal cloud device.

1 is a view showing a personal cloud system according to an embodiment of the present invention;
2 is a flowchart illustrating a method for sharing content of an electronic device according to an embodiment of the present invention;
3 is a sequence diagram for explaining a method for automatically uploading content in a personal cloud system, according to an embodiment of the present invention,
4 is a sequence diagram for explaining a method for automatically downloading content from a personal cloud system according to an embodiment of the present invention;
5 is a sequence diagram illustrating a method for automatically uploading and downloading content in a personal cloud system when content is modified in an electronic device according to an embodiment of the present invention;
6 is a sequence diagram for explaining a method of automatically uploading and downloading content in a personal cloud system when the name of the content is modified in the electronic device according to an embodiment of the present invention;
7 is a sequence diagram for explaining a method for automatically uploading and downloading content from a personal cloud system when an external device is connected to a personal cloud device by wire, according to an embodiment of the present invention;
8 is a sequence diagram for explaining a method for automatically uploading and downloading content in a personal cloud system when content overwriting is performed according to an embodiment of the present invention;
9 is a block diagram showing the configuration of an electronic device according to an embodiment of the present invention;
10 is a block diagram showing the configuration of a personal cloud device according to an embodiment of the present invention;
11 is a diagram illustrating a soft module configuration diagram of a personal cloud system according to an embodiment of the present invention, and
12 is a sequence diagram illustrating a security function of a personal cloud system according to an embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a diagram illustrating a personal cloud system 10 according to an embodiment of the present invention. As shown in Figure 1, according to an embodiment of the present invention, the personal cloud system 10 is a plurality of electronic devices (100-1,100-2,100-3), personal cloud device 200, a home AP (Access Point) ) 300, a public network 400, an authentication server 510, a public cloud server 520, a registration server 530, a network server 540.

The plurality of electronic devices 100-1, 100-2, and 100-3 may download or upload various contents using the personal cloud device 200. In particular, the plurality of electronic devices 100-1, 100-2, and 100-3 can not only communicate directly with the personal cloud device 200 in the home, but also use the public network 400 and the home AP 300 externally. It may be used to perform communication with the personal cloud device 200. Accordingly, the plurality of electronic devices 100-1, 100-2, and 100-3 may download or upload content (eg, photos, music, videos, etc.) using a personal cloud device not only in the home but also outside.

At this time, the plurality of electronic devices 100-1, 100-2, and 100-3 may be implemented with various electronic devices such as a smart phone, a tablet PC, and a smart TV.

The personal cloud device 200 is installed at home or at work and stores content so that a plurality of electronic devices 100-1, 100-2, and 100-3 can share the content. At this time, the personal cloud device 200 may directly communicate with the electronic device 100 to upload and download the content, but this is only an embodiment, and through the home AP 300 and the public network 400 Communication with the electronic device 100 may be performed.

In particular, the personal cloud device 200 is registered on the registration server 530 based on the user account. Accordingly, any user can log in with a registered user account and share content stored in the personal cloud device 200 using the electronic device 100 from outside.

In addition, the personal cloud device 200 may set a security area accessible only by a specific user in addition to a general area where multiple users can freely upload or download. In particular, the personal cloud device 200 may control access to content stored in the secure area only to users who have undergone a user authentication process. The user authentication process of the personal cloud device 200 will be described later with reference to FIG. 12.

The home AP 300 mediates the connection with the external public network 400 so that the electronic device 100 and the personal cloud device 200 can share content even outside the home.

The authentication server 510 authenticates a user account through a user's login operation through the electronic device 100 and registers the user cloud information to the electronic device 100 in order to register the personal cloud device 200 to the registration server 530. ).

The public cloud server 520 backs up and stores the content stored in the personal cloud device 200.

The registration server 530 registers the plurality of electronic devices 100-1, 100-2, 100-3 and the personal cloud device 200 based on the user account. For example, the registration server 530 may register the first electronic device 100-1 and the personal cloud device 200 based on the user account “A@samsung.com”, and the user account “B@samsung .com", the second electronic device 100-2 and the personal cloud device 200 may be registered. At this time, since the registration server 530 can be registered based on a user account, it can also be referred to as a user portal server. In particular, the registration server 530 may generate a user account list based on a user account, and the user account list may include at least one of a type of electronic device, a peer ID, and an IP address.

The network server 540 mediates the personal cloud device 200 to communicate with the external network based on the peer ID and domain information generated by the registration server 530.

Through the personal cloud system 10 as described above, the user logs into the authentication server 530 using the electronic device 100, and performs a connection between the electronic device 100 and the personal cloud device 200. After that, the content can be uploaded to the personal cloud device 200 or the content can be downloaded from the personal cloud device 200.

Meanwhile, according to an embodiment of the present invention, a plurality of servers 510, 520, 530, and 540 may be implemented as different servers, but this is only an embodiment, and may be implemented as at least one server instead of four.

Hereinafter, a content sharing method in the personal cloud system 10 according to various embodiments of the present invention will be described with reference to FIGS. 2 to 8. 2 is a flowchart illustrating a method for sharing content of an electronic device according to an embodiment of the present invention.

*First, the electronic device 100 performs a connection with the personal cloud device 200 (S210). At this time, the electronic device 100 may perform a connection with the personal cloud device 200 when a preset application is executed, but this is only an example, and when the power of the electronic device 100 is turned on, the individual The cloud device 200 may be automatically connected.

Then, the electronic device 100 determines whether the first content has been added to the first folder (S220). At this time, when the first content is generated and the storage path of the generated first content is designated as a first folder or when the first content stored in another folder is copied to the first folder, the electronic device 100 removes the first content from the first folder. 1 It can be determined that the content has been added.

If it is determined that the first content is added to the first folder (S220-Y), the electronic device 100 determines the upload condition (S230). In this case, the upload condition may include at least one of a network state connected between the electronic device 100 and the personal cloud device 200 and battery information of the electronic device 100.

Then, the electronic device 100 determines whether the upload condition satisfies the preset condition (S240). At this time, the electronic device 100 and the personal cloud device 200 is connected to a predetermined network interface (for example, a Wi-Fi interface, a Bluetooth interface), and the battery level of the electronic device 100 is a predetermined value (for example For example, 50%) or more, the electronic device 100 may determine that the predetermined condition is satisfied. At this time, the preset condition may be changed by the user.

When the upload condition satisfies the preset condition (S240-Y), the electronic device 100 transmits the first content to the personal cloud device 200 (S250). When the first content is transmitted, the personal cloud device 200 may store the first content in a preset folder and update the database that manages the content.

3 is a sequence diagram illustrating a method for automatically uploading content in the personal cloud system 10 according to an embodiment of the present invention. Meanwhile, in the embodiment of FIG. 3, communication is connected between the electronic device 100 and the personal cloud device 200.

First, the electronic device 100 generates first content (S310). At this time, the electronic device 100 may generate new photo content or video content through a photographing unit (not shown), and may generate new document data. In this case, the electronic device 100 may generate the first content (eg, A.jpg) in the first folder (eg, DCIM folder).

Then, the electronic device 100 detects that the first content is generated in the first folder (S320). In this case, the first folder is a folder in which the electronic device 100 stores content to be automatically uploaded to the personal cloud device 200, and may be designated or added by a user.

When it is detected that the first content is generated in the first folder, the electronic device 100 determines an upload condition (S330). Specifically, the electronic device 100 determines whether the network interface connected to the personal cloud device 200 is a preset type (for example, a Wi-Fi interface, a Bluetooth interface), and the remaining battery power of the electronic device 100 is determined. It may be determined whether or not the set value (for example, 50%) or more.

On the other hand, in the above-described embodiment, the type of the network interface and the battery level are included as the upload condition, but this is only an example, and other conditions (eg, upload time, whether or not the user is prohibited from uploading content) This can be included.

After determining the upload condition, the electronic device 100 transmits the first content to the personal cloud device 200 (S340).

When the first content is transmitted, the personal cloud device 200 stores the first content (S350). At this time, the personal cloud device 200 may store the first content in a preset folder (eg, sync folder). At this time, the personal cloud device 200 may store content in different folders according to the type of the electronic device. For example, when content is transmitted from the first electronic device, the personal cloud device 200 may store the content in a second folder (eg, sync-A). When content is transmitted from the second electronic device, the personal cloud device 200 may store the content in a third folder (eg, sync-B).

Then, the personal cloud device 200 updates the database information (S360). Specifically, the personal cloud device 200 may update the time stamp indicating information and upload time of the first content newly added to the database information so that other electronic devices can download the first content.

2 and 3, the electronic device 100 can automatically upload the content generated in the preset folder to the personal cloud device 200.

4 is a sequence diagram for explaining a method of automatically downloading content from a personal cloud system according to an embodiment of the present invention. Meanwhile, in the embodiment of FIG. 3, communication is connected between the electronic device 100 and the personal cloud device 200, and the second content is stored in a preset folder (for example, a sync folder) of the personal cloud device 200. Is stored.

First, the electronic device 100 determines a download condition of the electronic device 100 (S410). In this case, the download condition may include at least one of a network state connected between the electronic device 100 and the personal cloud device 200, battery information of the electronic device 100, and memory information of the electronic device 100. In particular, the network interface connected between the electronic device 100 and the personal cloud device 200 is a preset interface (for example, a Wi-Fi interface or a Bluetooth interface), and the battery information of the electronic device 100 is a preset value (eg For example, when the memory of the electronic device 100 is greater than or equal to a preset value (eg, 100 MB), the electronic device 100 may determine that the download condition is satisfied.

If the download condition is satisfied, the electronic device 100 requests update information from the personal cloud device 200 (S420). Specifically, the electronic device 100 may request information about newly generated content by checking the content information and timestamp that the electronic device 100 last downloaded in the database of the personal cloud device 200 downloaded. At this time, the electronic device 100 may periodically request update information.

When the update information is received, the personal cloud device 200 checks the update information. Specifically, the personal cloud device 200 may check update information by determining whether or not newly generated content exists based on the content information and the timestamp that the electronic device 100 last recorded in the database has downloaded. For example, the personal cloud device 200 may determine that the newly generated second content exists in a preset folder by checking information and a timestamp on the content that the electronic device 100 last downloaded.

The personal cloud device 200 transmits the second content to the electronic device 100 (S440).

When the second content is received, the electronic device 100 stores the second content in the second folder (S450). At this time, the second folder is different from the first folder, and may be, for example, a “download folder”.

Then, the electronic device 100 transmits the download result to the personal cloud device 200 (S460).

When the download result is transmitted, the personal cloud device 200 updates the database (S470). At this time, the personal cloud device 200 may update the information about the content and timestamp that the electronic device 100 last downloaded to the database.

By the method described above, the electronic device 100 may receive the newly generated content in real time from the personal cloud device 200.

5 is a sequence diagram illustrating a method of automatically uploading and downloading content in the personal cloud system 10 when content is modified in an electronic device according to an embodiment of the present invention. In this case, the first electronic device 100-1, the second electronic device 100-2, and the personal cloud device 200 included in the personal cloud system 10 are connected to each other. In addition, the first electronic device 100-1, the second electronic device 100-2, and the personal cloud device 200 store the first content.

First, the first electronic device 100-1 modifies the stored first content into third content (S505). Specifically, the first electronic device 100-1 may modify the content of the first content by user input to generate the third content. For example, when the first content (eg, A.doc) is document content, the first electronic device 100-1 adds new content by a user input, and thus the third content (eg, A '.doc). At this time, the names of the first content and the third content may be the same.

The first electronic device 100-1 detects the third content as new content (S510 ). That is, even if the first content and the third content have the same name, if at least one of the content and size is changed, the first electronic device 100-1 may detect the third content as new content.

Then, the first electronic device 100-1 determines the upload condition (S515). Specifically, the first electronic device 100-1 determines whether a network interface connected to the personal cloud device 200 is a preset type (for example, a Wi-Fi interface, a Bluetooth interface), and the first electronic device 100-1. It can be determined whether or not the remaining battery power of -1) is equal to or greater than a preset value (eg, 50%).

When the upload condition is satisfied, the first electronic device 100-1 transmits the third content to the personal cloud device 200 (S520 ).

The personal cloud device 200 stores the third content transmitted from the first electronic device 100-1 (S525). At this time, the personal cloud device 200 changes the name of the third content to a different name from the name of the first content so as to be distinguished from the first content having the same name that was previously stored (for example, sync-A folder). For example, the personal cloud device 200 may change the name of the third content from "A.doc" to "A(1).doc" and store it.

Then, the personal cloud device 200 updates the database information (S530). Specifically, the personal cloud device 200 may update the time stamp indicating information and upload time of the third content newly added to the database information so that the second electronic device 100-2 can download the third content. Can.

Then, the second electronic device 100-2 requests update information from the personal cloud device 200 (S535). At this time, the second electronic device 100-2 may periodically request update information.

When an update request is received, the personal cloud device 200 checks the update information (S540). Specifically, the personal cloud device 200 determines whether or not newly generated content exists based on the content information and the timestamp that the second electronic device 100-2 recorded in the database last downloaded, and updates information. Can be confirmed. For example, the personal cloud device 200 checks information and a timestamp on the content that the second electronic device 100-2 last downloaded, and newly generated in a preset folder of the personal cloud device 200. 3 It can be determined that the content exists.

The personal cloud device 200 transmits the third content to the second electronic device 100-2 (S545).

When the third content is received, the second electronic device 100-2 stores the third content (S550 ). At this time, the second electronic device 100-2 may store the third content in the “download folder” in which the first content is already stored.

Then, the second electronic device 100-2 transmits the download result to the personal cloud device 200 (S555).

When the download result is transmitted, the personal cloud device 200 updates the database (S560). At this time, the personal cloud device 200 updates the information about the content (for example, information about the third content) and the timestamp that the second electronic device 100-2 last downloaded to the database. Can.

By the personal cloud system 10 as described above, the user can share the content generated by modifying the previously stored content in the first electronic device 100-1 with other electronic devices.

6 is a sequence diagram for explaining a method for automatically uploading and downloading content in a personal cloud system when the name of the content is modified in the electronic device according to an embodiment of the present invention. In this case, the first electronic device 100-1, the second electronic device 100-2, and the personal cloud device 200 included in the personal cloud system 10 are connected to each other. In addition, the first electronic device 100-1, the second electronic device 100-2, and the personal cloud device 200 store the second content.

First, the second electronic device 100-2 changes the name of the stored second content (S605 ). Specifically, the second electronic device 100-2 may modify the name of the second content by user input. For example, when the name of the first content is B.jpg, the second electronic device 100-2 may change the name of the first content to BB.jpg by user input.

The second electronic device 100-2 detects the second content whose name has been changed as new content (S610 ). That is, even if the first content and the third content have the same content and size, if the name is changed, the second electronic device 100-2 may detect the second content whose name has been modified as new content.

Then, the second electronic device 100-2 determines the upload condition (S615). Specifically, the second electronic device 100-2 determines whether a network interface connected to the personal cloud device 200 is a preset type (for example, a Wi-Fi interface, a Bluetooth interface), and the second electronic device 100 It can be determined whether or not the remaining battery power of -2) is greater than or equal to a preset value (eg, 50%).

When the upload condition is satisfied, the second electronic device 100-2 transmits the second content whose name has been changed to the personal cloud device 200 (S620).

The personal cloud device 200 stores the second content whose name has been changed from the second electronic device 100-2 (S625 ). At this time, the personal cloud device 200 may store the renamed second content (BB.jpg) together with the second content (B.jpg) in a preset folder (eg, a sync-B folder).

Then, the personal cloud device 200 updates the database information (S630). Specifically, the personal cloud device 200 displays the information and upload time for the newly changed second content added to the database information so that the first electronic device 100-1 can download the second changed content. The indicated time stamp can be updated.

Then, the first electronic device 100-1 requests update information from the personal cloud device 200 (S635 ). At this time, the first electronic device 100-1 may periodically request update information.

When an update request is received, the personal cloud device 200 checks the update information (S640). Specifically, the personal cloud device 200 determines whether or not newly generated content exists based on the content information and the timestamp that the first electronic device 100-1 recorded in the database last downloaded, and updates information. Can be confirmed. For example, the personal cloud device 200 checks information and time stamps for the content last downloaded by the first electronic device 100-1 to change the name to a preset folder of the personal cloud device 200. 2 It can be determined that the content exists.

The personal cloud device 200 transmits the second content whose name has been changed to the first electronic device 100-1 (S645).

When the second content whose name has been changed is received, the first electronic device 100-1 stores the second content whose name has been changed (S650). At this time, the first electronic device 100-1 may store the second content whose name is changed in the "download folder" in which the second content is already stored.

Then, the first electronic device 100-1 transmits the download result to the personal cloud device 200 (S655).

When the download result is transmitted, the personal cloud device 200 updates the database (S660). At this time, the personal cloud device 200 stores information about the content (for example, information on the second content that has been renamed) and the timestamp of the content last downloaded by the first electronic device 100-1. Can be updated on.

When the name of the previously stored content is modified in the second electronic device 100-2 by the personal cloud system 10 as described above, the user can share the modified content with the other electronic device. do.

7 is a sequence diagram for explaining a method for automatically uploading and downloading content in a personal cloud system when an external device is connected to a personal cloud device by wire, according to an embodiment of the present invention. At this time, the electronic device 100 and the personal cloud device 200 are connected to each other.

First, the personal cloud device 200 performs a wired connection with the external device 700 (S705). For example, in the personal cloud device 200, the external device 700 may perform a wired connection through a USB interface by the user. In this case, the external device 700 may be a device such as a notebook PC or tablet PC.

When a wired connection is performed between the personal cloud device 200 and the external device 700, the external device 700 selects content to be uploaded (S710). At this time, the external device 700 may select content to be uploaded by user input. For example, the external device 700 may select “C.mp3” as content to be uploaded by user input. However, selecting content to be uploaded by user input is only an example, and content stored in a preset folder of the external device 700 may be selected as content to be uploaded.

The external device 700 transmits the selected content to the personal cloud device 200 (S715).

The personal cloud device 200 stores the selected content transmitted from the external device 700 (S720). At this time, the personal cloud device 200 may store the selected content (C.mp3) whose name has been changed in a preset folder (eg, a sync-C folder).

Then, the personal cloud device 200 updates the database information (S725). Specifically, the personal cloud device 200 may update the time stamp indicating information and upload time for the newly added selected content in the database information so that the electronic device 100 can download the selected content.

Then, the electronic device 100 requests update information from the personal cloud device 200 (S730). At this time, the electronic device 100 may periodically request update information.

When the update request is received, the personal cloud device 200 checks the update information (S735). Specifically, the personal cloud device 200 may check update information by determining whether or not newly generated content exists based on the content information and the timestamp that the electronic device 100 last recorded in the database has downloaded. For example, the personal cloud device 200 checks information and time stamps for the content that the electronic device 100 has finally downloaded, so that the selected content (C.mp3) in a preset folder of the personal cloud device 200 is displayed. It can be judged to exist.

The personal cloud device 200 transmits the selected content to the electronic device 100 (S740).

When the selected content is received, the electronic device 100 stores the selected content (S745). At this time, the electronic device 100 may store the selected content in the “download folder”.

Then, the electronic device 100 transmits the download result to the personal cloud device 200 (S750).

When the download result is transmitted, the personal cloud device 200 updates the database (S755). At this time, the personal cloud device 200 may update the information about the content and timestamp that the electronic device 100 last downloaded to the database.

By the personal cloud system 10 as described above, the user can also share the content stored in the external device 700 connected to the personal cloud device 200 by wire to the electronic device 100 connected to the personal cloud device 200 as well. It becomes possible.

8 is a sequence diagram illustrating a method for automatically uploading and downloading content in a personal cloud system when content overwriting is performed according to an embodiment of the present invention. At this time, the electronic device 100 and the personal cloud device 200 are connected to each other. Also, the electronic device 100 and the personal cloud device 200 store the fifth content.

First, the personal cloud device 200 performs a wired connection with the external device 700 (S805). For example, in the personal cloud device 200, the external device 700 may perform a wired connection through a USB interface by the user.

When a wired connection is performed between the personal cloud device 200 and the external device 700, the external device 700 overwrites the sixth content with the fifth content (S810 ). Specifically, the external device 700 may overwrite the personal cloud device 200 with the sixth content having the same name as the fifth content stored in the personal cloud device 200 by user input.

The personal cloud device 200 stores the sixth content overwritten by the fifth content (S815). At this time, the personal cloud device 200 overwrites the fifth content with the same name as the fifth content, so that the fifth content is deleted and only the sixth content can be stored.

Then, the personal cloud device 200 updates the database information (S820). Specifically, the personal cloud device 200 updates the time stamp indicating information on the sixth content overwritten in the database information and the upload time of the sixth content so that the electronic device 100 can download the sixth content. Can.

Then, the electronic device 100 requests update information from the personal cloud device 200 (S825). At this time, the electronic device 100 may periodically request update information.

When an update request is received, the personal cloud device 200 checks the update information (S830). Specifically, the personal cloud device 200 may check update information by determining whether or not newly generated content exists based on the content information and the timestamp that the electronic device 100 last recorded in the database has downloaded. For example, the personal cloud device 200 determines that the sixth content exists in a preset folder of the personal cloud device 200 by checking the information and timestamp of the content that the electronic device 100 last downloaded. can do.

The personal cloud device 200 transmits the sixth content to the electronic device 100 (S835).

When the sixth content is received, the electronic device 100 stores the sixth content (S840). At this time, the electronic device 100 may store the sixth content together with the fifth content in the “download folder”. At this time, the electronic device 100 may change the name of the sixth content to be distinguished from the fifth content. For example, when the names of the fifth content and the sixth content are “D.avi”, the electronic device 100 may change the names of the sixth content to “D(1).avi”.

Then, the electronic device 100 transmits the download result to the personal cloud device 200 (S845).

When the download result is transmitted, the personal cloud device 200 updates the database (S850). At this time, the personal cloud device 200 may update the information about the content and timestamp that the electronic device 100 last downloaded to the database.

Even if the content stored in the personal cloud device 200 is overwritten with other content through the external cloud 700 connected to the personal cloud device 200 by the personal cloud system 10 as described above, the user is overwritten. The written content can be shared with the electronic device 100 connected to the personal cloud device 200.

On the other hand, in the above-described embodiment, the electronic device 100 has been described as automatically downloading content stored in the personal cloud device 200 or uploading the content to the personal cloud device 200, but this is only an embodiment. The content stored in the personal cloud device can be manually downloaded or the content can be uploaded to the personal cloud device 200. That is, the user may access the personal cloud device 200, select content to be downloaded or uploaded, and perform download or upload.

Hereinafter, the configuration of the electronic device 100 and the personal cloud device 200 will be described with reference to FIGS. 9 and 10.

9 is a block diagram showing the configuration of an electronic device 100 according to an embodiment of the present invention. 9, the electronic device 100 includes a communication unit 110, a storage unit 120, a display unit 130, a user input unit 140 and a control unit 150. At this time, one embodiment of the present invention The electronic device 100 according to an example is a device capable of reproducing various contents, and may be implemented as various devices such as a smart phone, a tablet PC, and a smart TV.

Meanwhile, FIG. 9 is a diagram showing various components in an example where the electronic device 100 is a device having a personal cloud service function. Therefore, depending on the embodiment, some of the components illustrated in FIG. 9 may be omitted or changed, and other components may be further added.

The communication unit 110 communicates with the personal cloud device 200, the home AP 300, and external servers 510, 520, 530, 540. In particular, the communication unit 110, at least one of a near field communication (NFC) interface, a Wi-Fi interface, a Bluetooth interface, and a Zigbee interface to perform communication with the personal cloud device 200 Can be implemented. In addition, the communication unit 110 may use wireless communication to perform communication with an external server from the outside, and as wireless communication, IEEE, Zigbee, 3G (3rd Generation), 3GPP (3rd Generation Partnership Project), LTE (Long Term) Various communication standards such as Evoloution) can be used.

The storage unit 120 stores various data and software modules for controlling the electronic device 100. In particular, the storage unit 120 registers the personal cloud device 200 with the registration server 530, and uses the personal cloud device 200 to share a variety of software modules as shown in FIG. 14 (1420~1426).

In addition, the storage unit 120 stores contents to be uploaded or downloaded from the personal cloud device 100.

The display unit 130 outputs image content under the control of the control unit 150. For example, the display 130 may display photo content and video content.

The user input unit 140 may receive a user command for controlling the electronic device 100. Meanwhile, according to an embodiment of the present invention, the user input unit 140 may be implemented as a touch screen, but this is only an embodiment, and may be implemented as various input devices such as a mouse, a pointing device, a motion input unit, and a button. Can.

The controller 150 controls the overall function of the electronic device 100 according to a user command input through the user input unit 140. In particular, when new first content is added to the first folder set in the storage unit 120, the controller 150 determines an upload condition of the electronic device. In this case, the upload condition may include at least one of a network state connected between the electronic device 100 and the personal cloud device 200 and battery information of the electronic device 100.

When the upload condition satisfies the preset condition, the controller 150 may control the communication unit 110 to transmit the first content to the personal cloud device 200. Specifically, when the electronic device 100 and the personal cloud device 200 is connected to a predetermined network interface (for example, Wi-Fi interface, Bluetooth interface), when the battery level of the electronic device 100 is greater than or equal to a preset value , The control unit (!50) may control the communication unit 110 to transmit the first content to the personal cloud device.

When the first content is transmitted, the personal cloud device 200 may store the first content in a preset folder and update the database that manages the content.

In addition, the controller 140 determines a download condition of the electronic device in order to download the content stored in the personal cloud device 200. In this case, the download condition may include at least one of a network state connected between the electronic device 100 and the personal cloud device 200, battery information of the electronic device 100, and memory information of the electronic device 100.

When the download condition of the electronic device 100 satisfies a preset condition, the control unit 150 periodically requests the update information of the database managing the contents of the personal cloud device from the personal cloud device 200. Can be controlled. At this time, the control unit 150 controls the communication unit 110 to request the updated content information from the personal cloud device 200 by checking the last downloaded content information and time stamp recorded in the database of the personal cloud device 200 can do.

When the update information exists in the database, the control unit 150 controls the communication unit 110 to download the updated second content from the personal cloud device 200, and the second content is stored in the storage unit 120. It can be stored in 2 folders (for example, "download folder").

In addition, when the download of the second content is completed, the control unit 150 may control the communication unit 110 to transmit the download result to the personal cloud device 200. At this time, the personal cloud device 200 may update the last downloaded content information and timestamp based on the download result.

In addition, when the third content is generated by modifying the first content stored in the first folder, the controller 150 determines an upload condition of the electronic device 100, and when the upload condition satisfies a preset condition, The communication unit 110 may be controlled to transmit the third content to the personal cloud device 200.

In addition, when the fourth content generated by modifying the second content in the database of the personal cloud device 200 exists, the control unit 150 transmits the communication unit 110 to download the fourth content from the personal cloud device 200. In addition, the storage unit 120 may be controlled to store the downloaded fourth content together with the second content in a second folder. In this case, the fourth content may be content in which at least one of the content, size, and name of the second content is modified.

In addition, when the external device 700 is connected to the personal cloud device 200 by wire, and the content stored in the external device 700 is uploaded to the personal cloud device 200, the database of the personal cloud device 200 is updated. The control unit 150 may control the communication unit 110 to download the content stored in the external device 700 from the personal cloud device 200.

In addition, when the external device 700 is connected to the personal cloud device 200 by wire, and the fifth content pre-stored in the personal cloud device 200 through the external device 700 is overwritten with the new sixth content, The personal cloud device 200 stores the sixth content and the timestamp at the time when the sixth content is overwritten in the database, and the control unit 150 controls the communication unit 110 to download the sixth content by checking the timestamp And, the storage unit 120 may be controlled to store the sixth content together with the fifth content.

10 is a block diagram showing a configuration of a personal cloud device 200 according to an embodiment of the present invention. As shown in FIG. 10, the personal cloud device 200 includes a communication unit 210, a button 220, a storage unit 230, and a control unit 240.

The communication unit 210 may communicate with the electronic device 100 and the home AP 300. In this case, the communication unit 210 may use at least one of an NFC communication interface, a Wi-Fi interface, a Bluetooth interface, and a weaving interface to perform communication with the electronic device 100 and the home AP 300.

The button 220 may receive a user command. In particular, the button 220 may receive a user command for performing pairing with the electronic device 100.

The storage unit 230 stores various data and various software modules for controlling for the personal cloud device 200. In particular, the storage unit 230 registers the personal cloud device 200 with the registration server 530, and uses the personal cloud device 200 to share various contents, as shown in FIG. Modules 1401 to 1415 are included.

In addition, the storage unit 230 stores a database that manages content upload and download for content sharing between the plurality of electronic devices 100. Specifically, the database stores information and timestamps for the content last downloaded for each of the plurality of electronic devices 100, and information and times for the content last uploaded for each of the plurality of electronic devices 100. You can save the stamp.

The control unit 240 controls the overall operation of the personal cloud device 200. In particular, when the content is uploaded from the electronic device 100, the controller 240 stores the uploaded content in the storage unit 230 and updates the database of the storage unit 230. Specifically, when content is uploaded from the electronic device 100, the controller 240 may update information and a time stamp for the content that was last uploaded by the electronic device 100 recorded in the database.

In addition, when an update confirmation request is received from the electronic device 100, the control unit 240 checks the update information based on the information stored in the database, and controls to transmit the newly generated content to the electronic device 100. .

Also, when a download result is received from the electronic device 100, the controller 240 may update the database. Specifically, when a download result is transmitted from the electronic device 100, the control unit 240 may update information and a timestamp on the content last downloaded by the electronic device 100 recorded in the database.

By the electronic device 100 and the personal cloud device 200 as described above, the user can share content with other electronic devices 200 using the personal cloud device 200.

11 is a diagram illustrating a soft module configuration diagram of a personal cloud system according to an embodiment of the present invention.

First, the personal cloud device 200 includes a Media Play module 1101, a Media Gateway module 1102, a Cloud Service module 1103, an Easy Setup module 1104, an NTS Client module 1105, and a Contents Mgt module 1106. , REST Server module and Storage API Parser module (1107), Sync Engine module (1108), Push Agent module (1109), Multi Account Manager module (1110), Security module (1111), DLNA module (1112), Controlee Server module (1113), the FOTA Agent module (1114), Middleware module and BSP, Kernal, Boot loader module (1115) is stored.

At this time, the Middleware module and the BSP, Kernal, and Boot loader module 1115 manage the system boot and file system, and set the system firmware such as network settings and graphic settings. The security module 1111 sets encryption/decryption of contents and access authority of contents. The DLNA module 1112 processes a multimedia standard protocol for content sharing. The Controlee Server module 1113 receives a client's remote control command. The FOTA Agent module 1414 manages firmware updates of the personal cloud device 200.

The Easy Setup module 1104 manages a communication protocol with the electronic device 100 to register the personal cloud device 200 to the registration server 530. The NTS Client module 1105 manages the connection with the network server 540 based on the peer ID. The Contents Mgt module 1106 controls an interface with a media player that plays stored content. The REST Server module and the Storage API Parser module 1107 receive and process a command transmission format such as content playback from the client, handle the content by analyzing the API of the message requested through the server, and share and personalize the content It acts as a classifier that separates and handles areas. The distributed Sync Engine module 1108 maintains content synchronization with the public cloud server 520 and clients. The Push Agent module 1109 serves to notify the update contents such as content changes, changes to the user account list, and the like. The Multi Account Manager module 1110 manages a plurality of user accounts.

The Media Play module 1101 functions to play content with an output device (for example, a smart TV). The Media Gateway module 1102 functions as a content hub such as music and video. The Cloud Service module 1103 manages automatic uploading of content and automatic download settings.

And, the server stage includes an authentication server (Auth. Server), a network server (NTS Server), a registration server (User portal Server) and a public cloud server (Cloud Server).

And, the electronic device 100 includes an Auto Upload module 1120, Contents Viewer module 1121, Proxy Server module 1122, Contents Manager module 1123, Allshare Play Client module 1124, Easy setup solution module 1125 ) And Android Middleware module 1126.

The Android Middleware module 1126 manages the system's boot and file systems, and sets the system's firmware, such as network settings and graphic settings.

Easy setup solution module 1125 is responsible for network settings such as Wi-Fi and Bluetooth, and manages a user account that registers the Connectivity Manager module that identifies the network type when connecting to the personal cloud device 200 and the personal cloud device 200. The Account Manager module includes a provisioning manager module that registers the personal cloud device 200 to a registration server 530, an authentication server 510, and a network server 540.

*

*Allshare Play Client module 1124 performs an interface function with a compatible application that can access the personal cloud device 200.

The Contents Manager module 1123 is a Viewing Manager module that manages playback and control of content on the electronic device 100, a ReST Handler module that remotely transmits a request for playback of the content of the personal cloud device 200, and automatic upload And a Setting Manager module that manages settings such as automatic download.

The proxy server module 1122 manages information transmission with a playback player installed in the electronic device 100 when playing content.

The Contents Viewer module 1121 creates a GUI for content playback.

The Auto Upload module 1120 includes a Service Handler module that manages setting and execution cycles for automatic or manual upload, and a Delta Handler module that manages new information of updated content.

Accordingly, the electronic device 100 and the personal cloud device 200 may share the content stored in the personal cloud device 200 at home or outside using the software module as described above.

Meanwhile, in the above-described embodiment, an embodiment in which a plurality of electronic devices are automatically uploaded or downloaded so that a plurality of electronic devices can share content stored in the personal cloud device 200 has been described. In addition, the personal cloud device 200 may set a specific area in the storage unit 230 as a security area to provide a security function that other users other than the authenticated user cannot access.

Specifically, the personal cloud device 200 may provide a security area that is accessible only by an authenticated user in addition to a general area where multiple users can freely upload or download. In addition, in order to prevent any user from physically attacking and confirming the contents stored in the secure area of the personal cloud device 200, and only authenticated users access the secure area, the private cloud system 10 Can perform the user authentication process and the encryption process for the stored content.

In particular, the personal cloud system 10 may perform a user authentication process using a public key and a private key. For example, the personal cloud system 10 may perform a user authentication process using a Rivest Shamir Adleman (RSA) encryption technique. Hereinafter, a method of going through a user authentication process will be described with reference to FIG. 12 to provide a security function of the personal cloud device 200 to the user.

First, the electronic device 100 receives a password of a security area of the personal cloud device 200 from the user (S1210).

Then, the electronic device 100 encrypts the input password using the public key (S1220). At this time, the public key may be stored in the electronic device 100 when the application is installed.

Then, the electronic device 100 transmits the encrypted password to the personal cloud device 200 (S1230).

Then, the personal cloud device 200 verifies the encrypted password transmitted from the electronic device 100 using the private key (S1240). Specifically, the personal cloud device 200 may decrypt the encrypted password using the private key embedded in the personal cloud device 200, and verify whether the decrypted password is properly encrypted.

When verification of the encrypted password is completed, the personal cloud device 200 generates and stores a session key (S1250). At this time, the user information (for example, ID, password, etc.) corresponding to the personal cloud device 200 may be mapped and stored.

Then, the private cloud device 200 encrypts the session key using the private key (S1260). The personal cloud device 200 transmits the encrypted session key to the electronic device 100 (S1270).

Then, the electronic device 100 may decrypt the encrypted session key using the public key (S1280), and perform a user authentication process.

By performing the authentication process as described above, the user can control (eg, play, store, and restore) content stored in the secure area of the personal cloud device 200.

In addition, the personal cloud device 200 can access the contents stored in the general area using only the Server Solution module 1116 for automatic content upload/download requests in the general area, but the Server Solution module for the access request in the secure area In addition, the contents stored in the security area can be accessed only through a separate secret module 1111 as well as 1116. In addition, in order to input and output the contents of the secure area, the personal cloud device 200 also exchanges data between the secure area of the storage unit 230, the secret module 1111, and the server solution module 1116 by encrypting the content to encrypt data. Can be exchanged.

According to the embodiment of the present invention as described above, the personal cloud device 200 can not only allow a plurality of users to freely share content, but also provide a security area that only a specific user can access.

Program codes for performing the registration method of the personal cloud device 200 according to various embodiments as described above may be stored in various types of recording media. Specifically, RAM (Random Access Memory), flash memory, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electronically Erasable and Programmable ROM), register, hard disk, removable disk, memory card, USB It may be stored in various types of recording media readable by the terminal, such as memory, CD-ROM, and the like.

In the above, preferred embodiments of the present invention have been illustrated and described, but the present invention is not limited to the specific embodiments described above, and it is generally in the technical field to which the present invention belongs without departing from the gist of the present invention claimed in the claims It is of course possible to perform various modifications by a person having knowledge of, and these modifications should not be individually understood from the technical idea or prospect of the present invention.

100: electronic device 200: personal cloud device
300: Home AP 400: Public network
510: authentication server 520: public cloud server
530: registration server 540: network server

Claims (12)

In the content sharing method of the electronic device,
Performing a connection with a personal cloud device capable of sharing content with other electronic devices;
Performing an authentication operation on a user of the electronic device;
Determining a download condition of the electronic device;
If the download condition of the electronic device satisfies a preset condition, requesting the personal cloud device to update information of a database managing content of the personal cloud device; And
If the user of the electronic device has the updated information in the database while being authenticated, downloads the updated at least one content among the content stored in at least one of the first storage area and the second storage area from the personal cloud device, ,
Includes; when the user of the electronic device is not authenticated, the update information exists in the database, downloading at least one updated content among the content stored in the second storage area from the personal cloud device.
The first storage area is a storage area of the personal cloud device accessible only by an authenticated user, and the second storage area is a storage area of the personal cloud device accessible by the authenticated and unauthenticated users. Content sharing method characterized in that. According to claim 1,
The download condition is,
And a network state connected between the electronic device and the personal cloud device, at least one of battery information of the electronic device and memory information of the electronic device. According to claim 1,
The requesting step,
A content sharing method comprising requesting updated content information from the personal cloud device by checking the last downloaded content information and time stamp recorded in the personal cloud device database. According to claim 1,
Includes; when the download of at least one content stored in the first storage area or the second storage area is completed, transmitting the download result to the personal cloud device;
The personal cloud device,
Content sharing method characterized by updating the last downloaded content information and timestamp based on the download result. According to claim 1,
Downloading the second content from the personal cloud device when the second content generated by modifying the first content pre-stored in the database of the personal cloud device exists;
And storing the downloaded second content together with the first content in a preset folder. According to claim 1,
The step of performing an authentication operation on the user of the electronic device may include:
Receiving a password by a user;
Encrypting the password using a public key;
Transmitting the encrypted password to the personal cloud device;
Receiving an encrypted session key from the personal cloud device based on the encrypted password; And
And decrypting the encrypted session key using the public key. In electronic devices,
A communication unit performing connection with a personal cloud device capable of sharing content with other electronic devices;
A storage unit for storing content; And
Perform an authentication operation for the user of the electronic device,
Determine the download conditions of the electronic device,
When the download condition of the electronic device satisfies a preset condition, the communication unit is controlled to request the personal cloud device to update information of a database managing content of the personal cloud device,
When the user of the electronic device is authenticated and the update information exists in the database, the personal cloud device downloads the updated at least one content among the content stored in at least one of the first storage area and the second storage area. Control the communication unit,
Control unit for controlling the communication unit to download the updated at least one of the content stored in the second storage area from the personal cloud device, if the update information exists in the database without the user of the electronic device is authenticated ;
The first storage area is a storage area of the personal cloud device accessible only by an authenticated user, and the second storage area is a storage area of the personal cloud device accessible by the authenticated and unauthenticated users. Electronic device, characterized in that. The method of claim 7,
The download condition is,
An electronic device comprising at least one of a network state connected between the electronic device and the personal cloud device, battery information of the electronic device, and memory information of the electronic device. The method of claim 7,
The control unit,
An electronic device that controls the communication unit to request the updated content information from the personal cloud device by checking the last downloaded content information and time stamp recorded in the personal cloud device database. The method of claim 7,
The control unit,
When downloading of at least one content stored in the first storage area or the second storage area is completed, the communication unit is controlled to transmit a download result to the personal cloud device,
The personal cloud device,
An electronic device characterized by updating the content information and timestamp that were last downloaded based on the download result. The method of claim 7,
The control unit,
When the second content generated by modifying the first content pre-stored in the database of the personal cloud device exists, the communication unit is controlled to download the second content from the personal cloud device,
An electronic device that stores the downloaded second content together with the first content in a preset folder. The method of claim 7,
The control unit,
The password is input by the user,
Encrypt the password using a public key,
Control the communication unit to transmit the encrypted password to the personal cloud device,
Receiving an encrypted session key from the personal cloud device based on the encrypted password through the communication unit,
An electronic device that decrypts an encrypted session key using the public key.

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