KR20090079851A - General-purpose memory device and broadcasting data processing method using same - Google Patents

Abstract

A general memory apparatus and a broadcast data processing method are provided to receive broadcast data through user authentication in any terminal by performing the user authentication for receiving a digital multimedia broadcast service. A general memory apparatus comprises an encoding/decoding unit(16), a video play processing part(15), a security process part(13), and a screen control user interface(12). The encoding/decoding unit encodes data or decodes the encoded data. The video play processing part plays broadcast data, received in a terminal, based on resources of the terminal by being interworked with the encoding/decoding unit. If the broadcast data is encrypted, the security process part decodes the encrypted broadcast data based on the resource of the terminal. The screen control user interface configures a screen, in which the broadcast data is played, on the terminal based on the resource of the terminal.

Description

Universal memory device and broadcasting data processing method using the device

The present invention relates to a broadcast data processing method, and more particularly, to a general-purpose memory device and a method for processing broadcast data using the same.

With the development of broadcasting technology, various types of broadcasting services are enabled, and broadcasting services are provided in various ways such as over-the-air broadcasting, satellite broadcasting, DMB (Digital Multimedia Broadcasting) broadcasting, cable broadcasting, and internet broadcasting. Recently, a digital multimedia broadcasting service of a two-way communication type that allows a user to select and request a service to be provided instead of being provided unilaterally is provided.

Digital multimedia broadcasting services include an IPTV (internet protocol TV) service, which is an interactive television service provided through the Internet, and a video on demand (VOD) service, which is a customized video information service.

In order to receive such a digital multimedia broadcasting service, a set-top box is generally required. A set top box is a device connected to a terminal having a function of receiving a broadcast service and receiving and processing a broadcast signal and providing the signal to the terminal. In general, the set-top box has a disadvantage in that its volume is large and heavy.

In addition, even if a set-top box is not required, the digital multimedia broadcasting service may be provided only through a terminal having a function of processing broadcast related data including image data provided from a broadcast content server through the Internet.

In addition, subscriber authentication is often required in order to receive digital multimedia broadcasting service. If information such as a certificate for subscriber authentication is stored in a terminal to receive digital multimedia broadcasting service, the broadcasting service is provided through another terminal. There is inconvenience such as not receiving.

An object of the present invention is to provide a general-purpose memory device in which a corresponding terminal can receive and output data according to a digital multimedia broadcasting service in connection with a terminal which is to receive a digital multimedia broadcasting service through a network.

Another object of the present invention is to provide a method for processing broadcast data according to a digital multimedia broadcasting service using such a general-purpose memory device.

In the broadcast data processing method according to an aspect of the present invention for the above object, the security processing unit of the general-purpose memory device is connected to a terminal having a function of receiving broadcast data through a network, the security processing unit of the terminal Based on the, providing the user information to the authentication server connected to the network, so as to authenticate the user; Performing a playback process including decoding on broadcast data provided from a broadcast content server connected to the network, based on a resource of the terminal, when a user authentication is performed; And configuring, by the screen control user interface unit of the general-purpose memory device, a screen on which the broadcast data is to be reproduced on the terminal, and displaying the reproduced broadcast data on the screen.

In a broadcast data processing method according to another aspect of the present invention, a general-purpose memory device is connected to a terminal having a function of receiving broadcast data through a network, and the broadcast data related content information is displayed through the terminal. When a purchase request related event for arbitrary content occurs, the screen control user interface of the general-purpose memory device generates the event-related purchase request information, and requests a purchase to an authentication server connected to the network through the terminal. Making; When response data allowing purchase is provided from the authentication server according to the purchase request, the video reproduction processing unit of the general-purpose memory device is connected to the network through the terminal based on the content access information included in the response data. Requesting corresponding broadcast data to a broadcast content server; And reproducing, by the video reproducing processor, the broadcast data provided from the broadcast content server based on the resource of the terminal and displaying the same through the terminal.

In addition, in the general-purpose memory device according to another aspect of the present invention, the general-purpose memory device is used in connection with a terminal having a function of receiving broadcast data through a network, and an encoding / decoding unit for encoding data or decoding encoded data. ; A video reproduction processing unit which performs reproduction processing for broadcast data received by the terminal in association with the encoding / decoding unit based on the resource of the terminal; A security processing unit for decrypting the encrypted broadcast data and providing the encrypted data to the video reproduction processing unit when the broadcast data is encrypted; And a screen control user interface configured to configure a screen on which the broadcast data is reproduced on the terminal based on the resource of the terminal, and display the broadcast data reproduced by the video reproduction processor on the screen.

According to an exemplary embodiment of the present invention, a digital multimedia broadcasting service may be provided through an arbitrary terminal using a general-purpose memory device without having a separate set-top box. In particular, since the size of the general-purpose memory device is small and portable, users can conveniently receive a broadcast service anytime and anywhere using the general-purpose memory device.

In addition, as the general-purpose memory device performs user authentication for receiving the digital multimedia broadcasting service, any terminal may receive broadcast data through user authentication.

In particular, since a general-purpose memory device can be implemented relatively inexpensively as compared to a conventional set-top device, a terminal price burden of a digital multimedia broadcasting service provider can be reduced.

In addition, since the general-purpose memory device stores a unique serial number, each general-purpose memory device can be easily identified based on the serial number.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise.

In the present specification, a terminal refers to a device capable of receiving broadcast data according to a digital multimedia broadcasting service through a network. For example, a computer, a personal computer, a notebook, It may refer to an IPTV, a mobile terminal (MT), or the like, and may include all or a part of functions of a computer, a PC, a laptop, an IPTV, a mobile terminal, and the like. The mobile terminal may be a cellular phone, a PDA, or the like.

1 is a diagram illustrating a network connection state of each device according to an embodiment of the present invention.

As shown in FIG. 1, the general-purpose memory device 10 according to an embodiment of the present invention is connected to a terminal 20, and the terminal 20 is connected to a network 30 (eg, the Internet, etc.). It is connected to the update server 40, the authentication server 50, the broadcast content server 60, and the program guide server 70. For convenience of description, the authentication server 50, the update server 40, the broadcast content server 60, and the program gesture servers may be collectively called a broadcast service system. Although each server is classified according to a function, the present invention is not limited to this classification and can be changed according to a form to be implemented.

The terminal 20 is connected to the general-purpose memory device 10 according to an exemplary embodiment of the present invention in a wired or wireless manner, and communicates with each server through a network 30 to transmit or receive data. The terminal 20 is a network interface unit 21 (eg, a network interface card (NIC)) for receiving data from the servers 40 to 70 through the network 30, and the servers 40 through the network 30. A memory 22 for storing a dedicated program (e.g., a web browser, etc.) and various programs related to a plurality of operations, a central processing unit 23 (CPU) for executing a program and performing an operation related thereto, And a video processor 24 for processing and outputting image or audio data, and in particular, a device interface unit 26 for communicating with the general-purpose memory device 10 according to an embodiment of the present invention. The device interface unit 26 may be a universal serial bus (USB) port or the like for connecting to the general-purpose memory device 10 by wire. Alternatively, when the terminal 20 and the general-purpose memory device 10 are implemented in a form of wireless communication, the device interface 26 may be implemented in a form of a module for wirelessly transmitting and receiving data. These components 21 to 26 of the terminal 20 may be referred to as a resource.

In the general-purpose memory device 10 according to the embodiment of the present invention connected to the terminal 20 having the above structure, the terminal 20 receives broadcast data in association with each component 21 to 25 of the terminal 20. And make it workable. The broadcast data may be at least one of video data, audio data, and bidirectional data related to various additional services. The broadcast data may be transmitted in the form of a streaming packet through the broadcast content server 60, and the terminal 20 interprets the received streaming packet and divides the received data into at least one of image data, audio data, and bidirectional data.

2 is a structural diagram of a general-purpose memory device according to an embodiment of the present invention.

As shown in FIG. 2, the general-purpose memory device 10 according to an exemplary embodiment of the present invention may include an update processing unit 11, a screen control user interface unit 12, a security processing unit 13, and a program guide processing unit 14. And a video reproduction processor 15 and an encoding / decoding processor 16.

The update processor 11 performs download and update processing on execution modules necessary for performing the operation of the general purpose memory device 10. In this case, the execution module refers to the screen control user interface 12, the security processing unit 13, the program guide processing unit 14, the video reproduction processing unit 15, and the encoding / decoding processing unit 16.

The screen control user interface unit 12 reproduces and controls a screen displayed on the terminal 20, and in particular, performs a function of displaying image data reproduced in association with the video reproduction processor 15 on the screen. do. The screen control user interface unit 12 may perform the above function by using a flash player engine registered in the local drive area of the terminal 20, which will be described in more detail later.

The screen control user interface unit 12 may be composed of an image playback layer and a flash user interface layer. The flash user interface layer may be displayed through the terminal 20 using, for example, a flash menu screen opacity and a chroma key technique. Provides the screen configuration of the playback window screen flash.

The security processing unit 13 performs security processing on everything reproduced through the general-purpose memory device 10.

Specifically, the security processing unit 13 prevents capturing of a user authentication module 131 performing user authentication, a content security module 132 performing security processing including decrypting content, and a screen appearing when playing data. The screen capture prevention module 133 is included.

The user authentication module 131 performs authentication processing for the user in association with the authentication server 50 through the network interface unit 21 of the terminal 20. When the user authentication module 131 makes a connection to the authentication server 50 through the network interface 21 of the terminal 20, user information (ID, password, certificate, etc.) stored in itself or the terminal 20 User information (ID, password, etc.) input from the user and / or a unique serial number assigned to and stored in the general-purpose memory device are transmitted to the authentication server 50 to request authentication processing for the user information. Subsequently, subsequent operations may be selectively performed based on the result of the authentication process provided from the authentication server 50.

The content security module 132 performs security processing on broadcast data transmitted from the broadcast content server 60 through the terminal 20. In more detail, the broadcast data transmitted through encryption is decrypted so that only the registered user can receive the broadcast data.

The screen capture prevention module 133 prevents the capture of the screen reproduced through the terminal 20 by the video playback processor 15. In detail, the terminal monitors access to a specific device of all processes executed through application programming interface (API) hooking on the terminal, or recognizes a capture process through pattern analysis of the process. Alternatively, if a capture of a graphics device interface (GDI) or direct show (D / S) occurs, the operation is stopped. It also prevents duplication using Terminal Services, and limits screen capture by controlling live playback using Terminal Services, for example, on Windows 2000 or later operating systems. In addition, mirror drives can be used to prevent duplication, for example, to limit capture attempts through virtual network computing (VNC), total cost ownership (TCO) stream remote desktops, and the like. In addition, it prevents screen capture through the clipboard.

The program guide processor 14 generates and stores XML files (EPG XML file, XPG XML file) storing broadcast service related channel information and menu category information through an EPG parser and an XPG parser, respectively. Update processing for the XML files stored through the network interface unit 21 is performed.

The video reproduction processor 15 reproduces broadcast data. The video reproduction processing unit 15 may perform broadcast data reproduction processing while transmitting and receiving data with the screen control user interface unit 12 through IPC (interprocess communication). In addition, the video reproduction processor 15 may reproduce broadcast data by using a DirectShow technology. This broadcast data reproduction processing will be described in more detail later.

The encoding / decoding processor 16 decodes and outputs image data transmitted from the terminal 20, or encodes and outputs decoded image data. The encoding / decoding processor 16 may decode the image data using, for example, at least one codec among H.264, MPEG-2, and MPEG-4 based codecs of the SD / HD standard. In addition, the decoded data may be encoded, for example, in at least one of DV, DVCPRO HD, MPEG-1, MPEG-2, and MJPEG formats. The encoding / decoding processing section 16 is also referred to as a codec for convenience of description.

Each component of the general-purpose memory device described above may be implemented in chip-based hardware.

The general-purpose memory device 10 including the above components may be largely divided into a CD driving area A1 and a memory driving area A2.

3 illustrates an internal region structure of a general-purpose memory device according to an embodiment of the present invention.

As shown in FIG. 3, the update processing unit 11 is located in the CD drive area A1 of the general-purpose memory device 10, and the remaining components 11 to 16 are located in the memory drive area A2. In the form, the general-purpose memory device 10 may be implemented.

Also, component files related to the execution modules are stored in the memory driving area A2. The component files may include a flash wave (FLW) file, an EPG XML file, an XPG XML file, a font information file, an image file, Codec and registry information. These component files may be stored as a hidden file system in the memory driving area A2.

When the general purpose memory device 10 having the above structure is connected to the terminal 20, the terminal 20 receives broadcast data transmitted through the network 30 in association with each component of the general purpose memory device 10. Will be processed. In other words, each component of the general-purpose memory device 10 processes the received broadcast data through the resources (network interface unit, memory, central processing unit, video processing unit, etc.) of the terminal 20 and reproduces them in the terminal 20. .

Next, a method of processing broadcast data according to an embodiment of the present invention will be described based on the general-purpose memory device and the terminal as described above.

4 is a flowchart illustrating a method of processing broadcast data according to an embodiment of the present invention, and FIGS. 5 to 9 are diagrams illustrating an operation state of other devices in each processing process. Herein, the device represents each component 11 to 16 of the general-purpose memory device.

First, as shown in FIG. 4, the general-purpose memory device 10 is connected to the terminal 20 (S100). Here, the general-purpose memory device 10 is connected to the terminal 20 by wire in a USB format, but is not necessarily limited thereto.

When the connection with the terminal 20 is completed, the update processing unit 11 of the general-purpose memory device 10 checks the memory driving area A2 to determine whether the update process is performed, and performs the update process according to the result (S110). ~ S120).

5 is a diagram illustrating an operating state between devices performing an update process according to an exemplary embodiment of the present invention.

In the state in which the update processing unit 11 is connected to the terminal 20 through the USB port, first, execution files, which are driving programs or application programs for operating the execution modules in the memory driving area A2, and the execution modules Compare the version information for the component files related to with the latest version information for those files. Here, the latest version information is provided from the update server 40 through the network interface unit 21 of the terminal 20.

If the current version information and the latest version information of any file do not match, the update processing unit 11 requests the download server 40 to download a new version of the file through the network interface unit 21 of the terminal 20. In operation S121, an update process for the file is performed based on the downloaded file (S122). This update process is performed for each file.

Meanwhile, the update processing unit 11 backs up the information of the same codec existing in the terminal 20 from the terminal 20 and stores it in the memory driving area A2, and stores the new codec necessary for reproducing the image. It is received from the update server 40 through the network interface unit 21 of) and stored in the memory driving area A2. Then, the codec necessary for playing the video is registered in the corresponding registry of the terminal 20 so that it can be used for later broadcast data processing (S130).

Meanwhile, when the connection between the terminal 20 and the general purpose memory device 10 is released, a process of rolling back the codec registered in the registry of the terminal 20 to the existing codec may be performed.

As described above, after update processing for the execution modules of the general purpose memory device 10 is selectively performed, each execution module is driven to perform an operation for processing and reproducing broadcast data.

First, user authentication may be performed (S140).

6 illustrates an operation state between devices that perform an authentication process.

As shown in FIG. 6, upon receiving notification that the update process of the update processor 11 has ended, the security processor 13 of the general-purpose memory device 10 starts an authentication process (S141), and stores the stored user information. It provides authentication to the authentication server 50 through the network interface unit 21 of the terminal 20 (S142). The user information may be information stored in the general-purpose memory device 10 or information stored in the terminal 20. At this time, in addition to the user information, a unique serial number stored in the general purpose memory device 10 may be provided to the authentication server 50, and the authentication server 50 may use the user information based on the unique serial number of the general purpose memory device 10. Authentication can be performed for. Specifically, the user registers, in advance, the unique identification number of the general-purpose memory device to be used and his user information with the authentication server 50. Thereafter, the authentication server 50 compares the user information and the unique serial number transmitted from the terminal 20 with the registered information, and if there is a match, the broadcast server receives the broadcast data through the terminal 20 using a general-purpose memory device that is legitimate. It is determined to request and provides the terminal 20 with the data according to the authentication. Accordingly, the third party can be prevented from illegally copying and using the general-purpose memory device. When authentication indata indicating the legitimacy with respect to the user information provided from the authentication server 50 is transmitted through the terminal 20, the security processing unit 13 proceeds to a later step, and the authentication according to the authentication failure from the authentication server 50 is performed. After the failure data is transmitted, the process ends.

This authentication process may be performed as a background process.

As described above, when user authentication is performed by the security processing unit 13, broadcast data is transmitted from the broadcast content server 60 to the terminal 20, and the video reproduction processing unit 15 of the general-purpose memory device 10 The broadcast data received through the network interface unit 21 is processed in association with the video processing unit 24 of the terminal 20 and reproduced through the terminal 20.

7 and 8 illustrate an operation state between devices that perform a playback process according to an exemplary embodiment of the present invention.

When the video reproduction processing unit 15 is connected to the broadcast content server 60 through the network interface unit 21 of the terminal 20, the video reproduction processing unit 15 receives a streaming packet including broadcast data from the broadcast content server 60 ( S150). The streaming packet may be a secured packet, for example, a conditional access system (CAS) secured packet. As shown in FIG. 7, the streaming packet is stored in a buffer of the memory 22 of the terminal 20, and the content security module 132 of the security processor 13 decrypts the streaming packet stored in the buffer (S160). ). When the streaming packet is a CAS packet, encrypted broadcast data and entitlement granted to individual recipients or a specific group are included, and the content security module 132 broadcasts encrypted using its own private key. Decode the data.

The decoded broadcast data is moved from the buffer in which the streaming packet is stored to the buffer of the memory 22 used by the video playback processor 15 (S161), and the video playback processor 15 broadcast data stored in the buffer. Perform a playback process for.

As shown in FIG. 8, the video playback processing unit 15 interacts with the screen control user interface unit 12 to play broadcast data (S170). In this case, the video playback processing unit 15 and the screen are processed through the IPC. Communication between the control user interface unit 12 may be made.

First, the video reproduction processing unit 15 registers a reproduction related window in the window of the screen control user interface unit 12. Here, the playback related window may be operated by being divided into a playback control part and a user interface part.

In an embodiment of the present invention, the video reproduction processing unit 15 performs reproduction of broadcast data by using a DirectShow technology. In detail, a renderer for rendering is configured. The encoding / decoding processor 16, that is, the codec is registered in the filter manager, the filters used for reproducing the image data are selected based on the type of the image to be reproduced and the specifications of the terminal, and the selected filters are connected to configure the renderer.

Next, the handle is acquired through consultation with the screen control user interface unit 12 so that rendering can be performed on the playback related window. Thereafter, the video reproduction processor 15 reproduces the broadcast data stored in the buffer of the memory 22 through the video processor 24 of the terminal 20 while communicating with the screen control user interface 12. The broadcast data to be reproduced is displayed through a display device (not shown) of the terminal 20 or a separate display device connected to the terminal 20.

The reproduction of the image data using the direct show technique is only an example of the implementation of the video reproduction processor 15 according to an embodiment of the present invention, and the present invention is not limited thereto.

As described above, by connecting the general-purpose memory device 10 to the terminal 20 according to an embodiment of the present invention, the general-purpose memory device 10 transmits resources of the terminal 20 (the central processing unit 23, The broadcast data transmitted through the network can be processed and reproduced in association with the memory 22, the network interface unit 21, and the like.

Therefore, even if the terminal 20 does not have a separate set-top box function, broadcast data can be easily processed through the general-purpose memory device 10 according to an exemplary embodiment of the present invention. In addition, since the user information for authentication may be stored in the general-purpose memory device 10 and authenticated based on the stored user information, there is no need to store the user information for receiving the broadcast service in a separate medium. Accordingly, the user may receive a desired broadcast service using the general purpose memory device 10 anytime and anywhere.

Next, a process of configuring a screen on which various data including broadcast data is reproduced using the general-purpose memory device 10 according to an exemplary embodiment of the present invention will be described in detail.

9 illustrates an operation state between devices that perform a screen configuration process according to an embodiment of the present invention. Herein, the device represents each component 11 to 16 of the general-purpose memory device.

The screen control user interface unit 12 of the general-purpose memory device 10 configures a screen on which data is reproduced while operating in conjunction with the video reproduction processor 15. In more detail, the screen control user interface unit 12 operates using a flash player engine registered in a local drive of the terminal 20, and may be classified into an image playback layer and a flash user interface layer.

It consists of a video playback layer and a flash UI layer. Flash Menu Screen Using the opacity and chroma key technique, the UI window of the playback window screen flash is provided.

First, the screen control user interface unit 12 places the flash player engine 25 located in the terminal 20 in its process. A flash user interface screen is configured by loading a flash file stored in the memory driving area A2 of the general purpose memory device 10 using the flash player engine 25.

In addition, the EPG XML file of the memory driving area A2 is loaded using the flash player engine 25 to obtain channel information, and the main category information and the sub category information are loaded by loading the XPG XML file of the memory driving area A2. Obtains a menu list and constructs a main screen on the flash user interface screen based on the channel information and the menu list. Thereafter, when the flash player engine 25 recognizes an event (eg, purchase, menu selection, etc.) according to a user input made on the main screen, the screen control user interface unit 12 receives information required according to the event. It is loaded from an XML file and displayed on the screen or transferred to the video reproduction processing unit 15 to perform event processing.

Next, a process of processing an event generated in a flash user interface screen implemented as described above as one method of processing broadcast data according to an embodiment of the present invention will be described.

10 is a flowchart illustrating an event processing procedure according to an embodiment of the present invention, and FIG. 11 illustrates an operation state between devices that perform an event processing procedure. Herein, the device represents each component 11 to 16 of the general-purpose memory device. In the following description, an event in which a user wants to purchase predetermined content is generated according to a VOD service.

When the flash player engine 25 located in the screen control user interface unit 12 inputs an event for the user to purchase a predetermined content on the flash user interface screen (for example, by clicking a purchase button) (S300). ), Data necessary for requesting a purchase (hereinafter referred to as purchase request data) is read from the XPG XML file and transferred to the screen control user interface unit 12 (S310).

The screen control user interface unit 12 connects to the authentication server 50 through the network interface unit 21 of the terminal 20 based on the received purchase request data (S320). When the connection is made (S330), the screen control user interface 12 requests the authentication server 50 to view the purchase list for the previously purchased content (S340), the purchase list provided from the authentication server 50 If there is no current content to purchase, request the purchase of the corresponding content (S350 to S360).

When receiving a response from the authentication server 50 that the purchase of the corresponding content is possible, the screen control user interface unit 12 inquires whether to purchase the content (S370 to S380). In this case, the authentication server 50 determines, for example, whether the service level of the corresponding user is a rating for purchasing the content or the age of the user based on the user information. It may be determined whether there is a right to purchase the corresponding content.

When the response data indicating that the user is authorized to purchase is provided from the authentication server 50 through the network interface unit 21 of the terminal 20 (S390), the screen control user interface unit 12 includes the content access information included in the response data. The data is transmitted to the video reproduction processor 15 (S400). The content access information data may include a uniform resource locator (URL) of a corresponding broadcast content server, content identification information to be provided, and the like.

The video reproduction processor 15 requests the content to be purchased by accessing the broadcast content server 60 based on the received content access information data (S410). Accordingly, when the streaming packet of the corresponding content is received from the broadcast content server 60 through the terminal 20 (S420), the video reproduction processor 15 receives the received streaming as shown in FIGS. 7 and 8 above. The broadcast process is performed on the packet to reproduce the corresponding broadcast data on the screen (S430).

Next, the process of updating the program guide by the program guide processor 14 will be described.

12 illustrates an operation state between devices that perform a program guide update process according to an exemplary embodiment of the present invention. Herein, the device represents each component 11 to 16 of the general-purpose memory device.

The program guide processor 14 of the general-purpose memory device 10 is connected to the program guide server 70 through the network interface unit 21 of the terminal 20 to receive broadcast channel information. Then, the received broadcast channel information is compared with the existing data stored in the existing EPG XML file to check the list to be updated, and the updated list is provided from the program guide server 70 to update the EPG XML file. In this case, the update may be performed in the form of deleting predetermined channel information or adding new channel information from the existing EPG XML file based on the confirmed EPG information to be updated. The update process for the XPG XML file can also be made the same as described above, and the detailed description is omitted here.

The program guide processor 14 may perform this update process every set cycle, or may be performed as necessary or according to a user selection.

The embodiments of the present invention described above are not only implemented through the apparatus and the method, but may also be implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded. Implementation may be easily implemented by those skilled in the art from the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1 is a diagram illustrating a network connection state of each device according to an embodiment of the present invention.

2 is a structural diagram of a general-purpose memory device according to an embodiment of the present invention.

3 illustrates an internal region structure of a general-purpose memory device according to an embodiment of the present invention.

4 is a flowchart illustrating a method of processing broadcast data according to an embodiment of the present invention.

5 is a diagram illustrating an operating state between devices performing an update process according to an exemplary embodiment of the present invention.

6 is a diagram illustrating an operation state between devices performing an authentication process according to an embodiment of the present invention.

7 and 8 are diagrams illustrating an operating state between devices performing a playback process according to an exemplary embodiment of the present invention.

9 is a diagram illustrating an operation state between devices that perform a screen configuration process according to an embodiment of the present invention.

10 is a flowchart illustrating an event processing process according to an embodiment of the present invention.

11 is a diagram illustrating an operation state between devices that perform an event processing process.

12 is a diagram illustrating an operation state between devices performing a program guide update process according to an exemplary embodiment of the present invention.

Claims (16)

In the method of processing broadcast data, In a state where a general-purpose memory device is connected to a terminal having a function of receiving broadcast data through a network, A security processing unit of the general-purpose memory device providing user information to an authentication server connected to the network based on a resource of the terminal to authenticate the user; Performing a playback process including decoding on broadcast data provided from a broadcast content server connected to the network, based on a resource of the terminal, when a user authentication is performed; And Displaying, on the screen, the reproduced broadcast data by configuring a screen on which the broadcast data is reproduced on the terminal, based on a resource of the terminal; Broadcast data processing method comprising a. The method of claim 1 And performing, by the update processing unit of the general-purpose memory device, an update process for components included in the general-purpose memory device by communicating with an update server connected to a network through the terminal. The method of claim 1 The step of performing the reproducing process Storing the broadcast data received through the terminal in a buffer of a memory which is one of the resources of the terminal; Decrypting the broadcast data based on a resource of the terminal by a security processor of the general-purpose memory device when the broadcast data stored in the buffer is encrypted; Storing, by the security processor, the decoded broadcast data in another buffer of a memory of the terminal; And Reproducing the decoded broadcast data stored in the buffer based on a resource of the terminal by a video reproducing processor of the general-purpose memory device; Broadcast data processing method comprising a. The method of claim 3, The reproducing step Configuring, by the video playback processor of the general-purpose memory device, a filter manager by combining filters for playback processing based on a specification of the terminal and a type of broadcast data; And Registering, by the video reproduction processor, the encoding / decoding unit of the general-purpose memory device to the filter manager, decoding the decoded broadcast data stored in the buffer of the memory through the encoding / decoding unit, and processing and outputting the same through the filters. Broadcast data processing method comprising a. The method of claim 1 Displaying the broadcast data, The screen control user interface unit of the general-purpose memory device loads a flash file stored in the general-purpose memory device by using a flash player engine which is one of the resources of the terminal to construct a user interface screen and display the same through the terminal. ; And The screen control user interface of the general-purpose memory device uses the flash player engine to load a program guide file stored in the general-purpose memory device to form a main screen including channel information and menu information related to broadcast data. Mark through Broadcast data processing method comprising a. The method of claim 5 The program guide processing unit of the general-purpose memory device further comprises the step of receiving the program guide information from the program guide server connected to the network through the terminal to generate the program guide file to register in the general-purpose memory device, broadcasting How data is processed. The method according to any one of claims 1 to 6 The authenticating of the user may further include providing a unique serial number of the general-purpose memory device corresponding to the user information to the authentication server. In the method of processing broadcast data, In a state where a general-purpose memory device is connected to a terminal having a function of receiving broadcast data through a network, and the broadcast data related content information is displayed through the terminal, When a purchase request related event for arbitrary content occurs, the screen control user interface unit of the general-purpose memory device generates the event-related purchase request information and requests a purchase to an authentication server connected to the network through the terminal. step; When response data allowing purchase is provided from the authentication server according to the purchase request, the video reproduction processing unit of the general-purpose memory device is connected to the network through the terminal based on the content access information included in the response data. Requesting corresponding broadcast data from a broadcast content server; And Displaying, by the video reproduction processing unit, the broadcast data provided from the broadcast content server based on the resource of the terminal and processing through the terminal; Broadcast data processing method comprising a. The method of claim 8 Requesting a purchase to the authentication server, Requesting, by the screen control user interface unit of the general-purpose memory device, to query the existing purchase list to the authentication server based on the resources of the terminal; And If there is no event-related content in the existing purchase list, requesting confirmation of whether the screen control user interface unit has a purchase authority while providing user information to the authentication server based on resources of the terminal; Including, And the response data is transmitted from the authentication server when the purchasing authority is present. In a general-purpose memory device, The general-purpose memory device is used in connection with a terminal having a function of receiving broadcast data through a network, An encoding / decoding section for encoding data or decoding the encoded data; A video reproduction processing unit which performs reproduction processing for broadcast data received by the terminal in association with the encoding / decoding unit based on the resource of the terminal; A security processing unit for decrypting the encrypted broadcast data and providing the encrypted data to the video reproduction processing unit when the broadcast data is encrypted; A screen control user interface configured to configure a screen on which the broadcast data is reproduced on the terminal based on the resource of the terminal, and display the broadcast data reproduced by the video reproduction processor on the screen; To include, a general-purpose memory device. A program guide processor for receiving program guide information related to broadcast data from a program guide server connected to the network through the terminal to generate a program guide file. More, And the screen control user interface unit displays program guide information provided from the program guide processing unit on a screen of the terminal. The method of claim 11, Receive the information of the latest version of the video playback processing unit, security processing unit, screen control user interface unit, encoding / decoding unit, program guide processing unit from the update server connected to the network through the terminal, and update the respective units. The general-purpose memory device further comprising an update processing unit. The method of claim 12, The general-purpose memory device is divided into a CD drive area and a memory drive area, wherein the update processor is located in the CD drive area, and the components and related files other than the update processor are stored in the memory drive area. Memory device. The method according to any one of claims 10 to 13 The security processing unit A user authentication module configured to perform user authentication by communicating with an authentication server connected to the network based on resources of the terminal; A content security module configured to decrypt the broadcast data when the broadcast data provided from the broadcast content server connected to the network is encrypted based on the resources of the terminal; And A screen capture prevention module that prevents turning on a screen played on the terminal by the video playback processor based on the resource of the terminal A general-purpose memory device comprising at least one of the following. The method of claim 14, And a user information for user authentication for receiving broadcast data in the user authentication module. The method according to any one of claims 10 to 13 The universal memory device is connected to the terminal in a universal serial bus (USB) format.

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