KR101124801B1 - Cas system and method - Google Patents

Abstract

The present invention is to provide a reception restriction service set based on the permission viewing time in the case of the service permission channel based on the reception qualification information of the ECM supplied from the selected channel and the viewing qualification information of the EMM supplied from the reception restriction server. A system and method for restricting service reception are disclosed. The service reception restriction system of the present invention compares the reception credential information of the ECM supplied from the channel subscribed to the service in the terminal device with the viewing credential information of the EMM supplied from the reception restriction server, and determines whether it is the grant channel according to the comparison result. In response to the result of the determination, in the case of the permission channel, after generating the reception limit menu including the restriction selection information personal information reception restriction period reception restriction display menu predetermined time and the like, the reception restriction period reception restriction display menu and predetermined And storing the time, receiving data on the grant channel, and outputting a reception limit display menu for a predetermined time for each preset reception limit period to temporarily limit the reception of the grant channel.

Digital Broadcast Receiver, IPTV, Limited Receiver, CAS, EMM, ECM, Watch Time

Description

System and method for restricting service reception {CAS SYSTEM AND METHOD}

The present invention is to further improve the convenience of the digital broadcast receiver, and more specifically, the service authorization channel based on the reception credential information of the ECM supplied from the selected channel and the viewing credential information of the EMM supplied from the reception restriction server. The present invention relates to a terminal device, a service reception restriction system, and a method for providing a reception restriction service set based on a permission viewing time.

In order to watch a paid service of a general digital broadcasting receiver, a reception restriction system is inserted into a terminal device, and for a licensed terminal device, a cable broadcaster may request an Emergency Alert System (EAS), an interactive program guide, or an Impulse Pay Per IPPV. View, Video On Demand, and Interactive services can be provided.

Recently, as the interactive service is enabled, data broadcasting service is available, and as a result, various services such as home shopping, home banking, mail transmission, interactive advertisement, and online game are expected to expand further.

Therefore, broadcasters are required to make an effort to further improve the security of the limited reception system that guarantees fraud prevention of purchase behavior.

In the conventional conditional access system, the entitlement management message (EMM: Entitlement Management Message (EMM)) for managing the subscriber's entitlement and the entitlement control message (ECM: Entitlement Control Message: ECM) for controlling the subscriber's entitlement are referred to as ECM. ) Is generated and transmitted to the subscriber terminal device.

The reception restriction system provides EMM information and ECM information generated through an IP address assigned through DHCP, and the EMM information and ECM information transmitted to a corresponding terminal device of a subscriber distinguish EMM information and ECM information of a restricted reception system. The message is interpreted as it passes through the filter.

At this time, the normal reception restriction system controls the reception restriction according to whether the EMM and ECM are transmitted according to the subscription details of the service subscriber, but cannot restrict the reception restriction on the grant channel subscribed by the subscriber. Therefore, children, adolescents, or minors can watch a licensed channel and have a mental and physical fatigue due to long periods of time, which interferes with daily life.

The present invention was created in view of the above circumstances, and an object of the present invention is to obtain an authorization channel based on the reception qualification information of the ECM supplied from the service subscribed channel and the viewing qualification information of the EMM supplied from the reception restriction server. In the case of the grant channel determination step, if the grant channel is a reception limit selection information for limiting reception for the grant channel, personal information, reception limit period, reception limit display menu, a reception limit menu including a predetermined time, After setting and storing the personal information, predetermined time, reception restriction period, and reception restriction display menu according to the created reception restriction menu, the data on the grant channel is received, and then, for a predetermined time period for each reception restriction period set by the subscriber. Provides a service reception restriction system that outputs a set reception restriction display menu to a subscriber. It is to display the received restriction indication is set for each menu group conditional access period set for the screen to control the digital broadcasting receiver.

In addition, the present invention was created in view of the above circumstances, and another object to be reached in the present invention is to compare the reception qualification information of the ECM supplied from the service subscribed channel with the viewing qualification information of the EMM supplied from the reception restriction server. In accordance with the determination of whether or not the permission channel according to the determination result, if the permission channel is generated a reception restriction menu including reception restriction selection information, personal information, reception restriction period, reception restriction display menu, predetermined time limit for reception of the permission channel and After setting and saving the personal information, predetermined time, reception restriction period, and reception restriction display menu according to the created reception restriction menu, receiving data on the permission channel and then displaying the preset reception restriction for each reception restriction period set by the subscriber. Service reception restriction method that restricts reception for authorization channel by printing menu Provided, it is to display a group conditional access display menu is set in the display control of the digital broadcast receiver for each conditional access period set by the subscriber.

The service reception restriction system according to the first aspect of the present invention for achieving the above object is to provide a service authorization service among a plurality of services, and is provided from the reception qualification information of the ECM supplied from the service subscribed channel and the reception restriction server. By comparing the viewing qualification information of the EMM, it is determined whether the permission channel is based on the comparison result, and in the case of the permission channel, the reception restriction selection information, personal information, reception restriction period, reception restriction display menu, predetermined A terminal device for setting a reception restriction mode for limiting reception of data on a grant channel based on a viewing time according to a reception restriction menu including a time; And a reception restriction server for generating a user management message EMM and an ECM corresponding to the selected service and transmitting the same to the terminal device.

The terminal apparatus according to the second aspect of the present invention for achieving the above object is to compare the viewing qualification information of the EMM supplied from the reception restriction server with the reception qualification information of the ECM supplied from the selected channel, and is a grant channel according to the comparison result. A management unit for generating and transmitting a reception restriction menu for limiting reception of data supplied from the permission channel based on the viewing time for a predetermined time; And the data processing unit which displays the reception restriction menu supplied by the management unit on the screen and provides the management unit with a reception restriction period and a reception restriction display menu selected by the subscriber according to the reception restriction menu displayed on the screen.

Preferably, the management unit, the authorization channel determination module for comparing the viewing qualification information of the EMM supplied from the reception restriction server and the reception qualification information of the ECM supplied from the selected channel and determines whether the licensed channel according to the comparison result; A reception restriction control module for generating a reception restriction menu based on the viewing time set by the subscriber in the permission channel determination module and providing the reception restriction menu to the data processing unit and storing the reception restriction menu supplied from the data processing unit; A timer counting a reception limit period supplied from the data processing unit according to the control of the reception limit control module; And receiving a reception restriction display menu preset by the subscriber under the control of the reception restriction control module when a plurality of reception restriction display menus are stored in advance and the counting value of the timer reaches a reception restriction period. It may further include a limit display menu storage module.

Preferably, the reception restriction menu may include at least one of reception restriction selection information, personal information, a reception restriction period, a reception restriction display menu, and a predetermined time.

Preferably, the data processing unit displays a reception restriction selection message for setting a reception restriction registration by receiving the reception restriction menu on a screen in a pop-up window, and requests a reception restriction registration through the displayed reception restriction selection information. A personal information input message is generated and displayed on the screen, and after completing the personal information input by the service subscriber through the personal information input message, the personal information input is transmitted to the reception restriction control module and then the reception restriction cycle message is displayed on the screen. After generating the reception restriction period message through the reception restriction period message, a plurality of reception restriction display menu input messages are generated and displayed on the screen, and the reception restriction after completion of the reception restriction display menu setting is completed according to the reception restriction display menu input message. To set the time to display the display menu Generating a time information input by the message can be displayed on the screen.

Preferably, the reception restriction display menu is set to at least one of music, a video, and a short message service (SMS) output during the predetermined time after the reception restriction period displayed on the screen is set, and is granted through the permission channel determination module. It can be saved from the provided content.

Preferably, the data processing unit descrambles the received data on the grant channel after completing the reception restriction menu registration, decodes the displayed data, and displays the reception restriction when the counting value of the timer reaches a reception restriction period. The preset reception limit display menu may be output among the reception limit display menus stored in the menu storage module.

The service reception restriction method according to the third aspect of the present invention for achieving the above object, the management unit compares the viewing qualification information of the EMM supplied from the reception restriction server with the reception qualification information of the ECM supplied from the selected channel, A grant channel determination step of determining whether the grant channel is performed accordingly; And a reception restriction menu including a reception restriction period and a reception restriction display menu for restricting reception for the permission channel when the permission channel is determined in the permission channel determination step, and then receives data for the permission channel and then sets the subscriber channel. And a reception restriction control step of outputting a reception restriction display menu every reception restriction period to restrict reception for the grant channel.

Preferably, the reception restriction control step may include: a reception restriction menu generation step of providing a data reception unit with a reception restriction menu generated for a grant channel; A reception restriction menu setting step of receiving the reception restriction menu from the data processing unit, displaying a reception restriction menu on an on-screen, and setting a reception restriction period and a reception restriction display menu according to the displayed reception restriction menu to the management unit; And a reception restriction menu storing step of storing a reception restriction period and a reception restriction display menu set in the reception restriction menu setting step.

Preferably, the reception restriction menu may include at least one of reception restriction selection information, personal information, a reception restriction period, a reception restriction display menu, and a predetermined time.

Preferably, in the reception restriction menu setting step, a reception restriction selection message for receiving the reception restriction menu and setting a reception restriction registration is displayed on a screen in a pop-up window, and the reception restriction registration information is requested through the displayed reception restriction selection information. A subscriber's personal information input message is generated and displayed on the screen, and after receiving the personal information input by the service subscriber through the personal information input message, the personal information input is transmitted to the reception restriction control module and then the reception restriction period message is sent. After the reception restriction period message is inputted, a plurality of reception restriction display menu input messages are generated and displayed on the screen, and the reception restriction display menu setting is completed according to the reception restriction display menu input message. Set the time to display the reception restriction display menu. Generate for a predetermined time to the input message can be displayed on the screen.

Preferably, the reception restriction display menu is set to at least one of music, a video, and a short message service (SMS) to be output for the predetermined time after the reception restriction period displayed on the screen, and is granted through the permission channel determination module. It can be saved from the provided content.

Preferably, the method comprises: a data processing step of receiving, descrambled, decoded, displayed on the screen data of a licensed channel after completion of the reception restriction menu registration, and driving a timer; The method may further include a reception limit display menu outputting step of outputting the reception limit display menu when the timer reaches the reception limit period in the data processing step.

Accordingly, according to the service reception restriction system and method of the present invention, the reception qualification information of the ECM supplied from the channel subscribed to the service and the viewing qualification information of the EMM supplied from the reception restriction server are compared to determine whether the license channel is a permission channel according to the comparison result. And the result of the determination that the reception channel includes the reception restriction selection information, the personal information, the reception restriction period, the reception restriction display menu, and the predetermined time limit for reception of the authorization channel in the permission channel determination step. Create a menu and set the reception restriction period and reception restriction display menu and the predetermined time according to the result of subscriber authentication by personal information, and then receive the data for the grant channel and set the reception restriction display menu for every reception restriction period set by the subscriber. Is output for the preset time, Receive offers a viewing time of conditional access services based on that limit by providing services to subscribers can further enhance the convenience of a digital broadcast receiver.

Hereinafter, a service reception restriction system and method according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing the configuration of a service reception restriction system according to an embodiment of the present invention, Figure 2 is a view showing the configuration of the terminal device shown in Figure 1 in detail, Figure 3 is shown in Figure 2 Fig. Shows the configuration of the management unit in detail. 4 is a view for explaining a service reception restriction process through communication between the terminal apparatus and the reception restriction server illustrated in FIG. 1.

As shown in FIG. 1, the service reception restriction system according to the present invention compares the reception qualification information of the ECM supplied from the service subscribed channel with the viewing qualification information of the EMM supplied from the reception restriction server and grants the permission based on the comparison result. It is determined whether the channel is a result, and if the result of the authorization channel is provided to limit the reception at a predetermined predetermined time period, such a system includes a terminal device 100 and the reception restriction server 300.

Here, as shown in FIG. 2, the terminal device 100 compares the viewing credential information of the EMM supplied from the reception restriction server 300 with the reception credential information of the ECM supplied from the selected channel and permits according to the comparison result. In the case of a channel, the management unit 110 generates and transmits a reception restriction menu for limiting reception of data supplied from the permission channel based on the viewing time for a predetermined time period, and the reception restriction menu supplied from the management unit is on-screen. And a data processing unit 130 for providing the management unit with a reception restriction period and a reception restriction display menu selected by the subscriber according to the reception restriction menu displayed and displayed on the management unit.

Here, as shown in FIG. 3, the management unit 110 compares the viewing credential information of the EMM supplied from the reception restriction server with the reception credential information of the ECM supplied from the selected channel and determines whether the license channel is an authorized channel according to the comparison result. And a reception restriction menu including a reception restriction period and a reception restriction display menu on the basis of the viewing time set by the subscriber in the permission channel determination module 111 and the permission channel determination module 111. And a reception limit control module 113 for providing a data processing unit and storing a reception limit period and a reception limit display menu supplied from the data processing unit.

In addition, the management unit 110 may include a timer 115 that counts a reception restriction period supplied from the data processing unit under the control of the reception restriction control module 113, and the management unit 110 may further include a plurality of management units. If the reception limit display menu is stored in advance and the counting value of the timer reaches the reception limit period, the reception outputting the reception limit display menu set by the subscriber to the data processor 130 under the control of the reception limit control module. It further includes a limit display menu storage module 117.

The reception restriction menu may include at least one or more of reception restriction selection information, personal information, reception restriction period, reception restriction display menu, and a predetermined time.

Accordingly, the data processing unit displays a reception restriction selection message on the screen in a pop-up window for receiving the reception restriction menu and setting a reception restriction registration, and the subscriber's personal information when the reception restriction registration request is made through the displayed reception restriction selection information. Generate an input message and display it on the screen.After completing the personal information input by the service subscriber through the personal information input message, transmit the input personal information to the reception restriction control module, and then display a reception restriction cycle message on the screen. After generating a reception restriction period message through the reception restriction period message, a plurality of reception restriction display menu input messages are generated and displayed on the screen, and after the reception restriction display menu setting is completed according to the reception restriction display menu input message, the reception restriction display menu is displayed. To set the time to output the By creating a cross-type message is provided to display on the screen.

The reception limit display menu storage module 117 may set at least one of music, a video, and a short message service (SMS) to be output for the predetermined time after the reception limit period elapses displayed on the screen. The display menu is stored in advance by being provided from the authorized content through the permission channel determination module.

Here, the reception restriction control module 113 performs authentication for the subscriber through the received personal information received from the data processing unit 130 and subsequently receives a reception restriction period and reception supplied from the data processing unit 130 according to the authentication result. A limit display menu, and receives and stores a predetermined time.

Meanwhile, the data processor 130 descrambles the received data for the grant channel, decodes the displayed data on the screen, and the reception limit control module when the counting value of the timer 115 reaches a reception limit period. The control unit 113 may be configured to output a preset reception limit display menu among the reception limit display menus stored in the reception limit display menu storage module 117.

Accordingly, the reception restriction control module 113 may receive a reception restriction menu including reception restriction selection information, personal information, reception restriction period, reception restriction display menu, and a predetermined time for the permission channel of the permission channel determination module 111. The data processing unit 130 displays the reception restriction menu on the screen and sets the reception restriction period and the reception restriction display menu by the subscriber according to the displayed reception restriction menu.

Subsequently, the reception restriction control module 113 provided with the personal information set by the data processing unit 130 receives the reception restriction reception restriction period, the reception restriction display menu, and the predetermined period after the authentication is performed after the authentication is performed through the personal information. And then stored.

Subsequently, the reception limit control module 113 of the management unit 110 receives the received data for the grant channel and provides the received data to the data processing unit 130. The data processing unit 130 descrambles the received data and decodes the screen. Mark on.

At this time, the timer 115 set as the reception limit period by the control of the reception limit control module 113 counts and when the counting value of the timer 115 reaches the reception limit period, the control of the reception limit control module 113 is performed. The reception restriction display menu set by the subscriber among the reception restriction display menus stored in the reception restriction display menu storage module 117 is output to the data processor 130. The data processor 130 outputs the reception restriction display menu.

At this time, the counting value of the timer 115 is stored when the other channel is viewed while viewing the licensed channel, and the counting value of the timer 115 is accumulated when re-watching the licensed channel. Thus, the counting value of the timer means the total viewing time for the grant channel.

That is, according to the present invention, a reception restriction menu is generated and provided to the data processing unit for the grant channel through the management unit of the terminal device, and the data processing unit receives the reception restriction period and the reception restriction display menu and predetermined by the subscriber according to the reception restriction menu. When the time is set and the set reception limit period is reached, the set reception limit display menu is displayed.

Accordingly, the terminal device compares the reception qualification information of the ECM supplied from the channel to which the service is subscribed to the viewing qualification information of the EMM supplied from the reception restriction server, and determines whether the permission channel is based on a comparison result. In the channel determination step, a reception restriction menu including reception restriction selection information, personal information, a reception restriction period, a reception restriction display menu, and a predetermined time limit for reception of the permission channel is generated.

The terminal device receives the data on the grant channel after setting the reception restriction period, the reception restriction display menu and the predetermined time according to the subscriber authentication result based on personal information, and receives the preset reception at every reception restriction period set by the subscriber. The limited display menu is output for a predetermined time.

Therefore, by providing the reception restriction service based on the viewing time limiting the reception for the license channel to provide to the service subscribers, it is possible to further improve the convenience of the digital broadcast receiver.

An operation process of the service reception restriction method will be described with reference to FIG. 4.

First, the permission channel determination module 111 of the management unit 110 of the terminal device 100 receives the reception qualification information of the ECM and the reception restriction server 300 received through the service selected by the service subscriber in step 501. It is determined whether the selected channel is a grant channel according to a result of comparing the viewing qualification information of the supplied EMM.

In the case of the permission channel, a reception restriction menu including a restriction selection information, personal information, a reception restriction period, a reception restriction display menu, a predetermined time, etc. is generated and transmitted to the data processor 130 through step 503. The data processor 130 displays the reception restriction menu received through step 505 on the screen to set the reception restriction period and the reception restriction display menu.

Here, the digital processing unit 130 receives the reception restriction menu and displays a reception restriction selection message for setting a reception restriction registration on a screen in a pop-up window, and requests the reception restriction registration through the displayed reception restriction selection information. A subscriber's personal information input message is generated and displayed on the screen, and after receiving the personal information input by the service subscriber through the personal information input message, the received personal information is transmitted to the reception restriction control module and then the reception restriction cycle message Is displayed on the screen, and after inputting the reception restriction period through the reception restriction period message, a plurality of reception restriction display menu input messages are generated and displayed on the screen, and after completion of the reception restriction display menu setting according to the reception restriction display menu input message Small for setting the time for outputting the reception restriction display menu Generating a time input message to be displayed on the screen.

Then, the reception restriction control module 113 receives and stores a reception restriction period, a reception restriction display menu, and a predetermined period after performing subscriber authentication through the personal information set in step 505 (step 507).

The reception restriction control module 113 receives data for the grant channel through step 509 and provides the data to the data processor 130. The data processor 130 descrambles the data received through step 511. After decoding it is displayed on the screen.

In addition, the reception restriction control module 113 sets the timer 115 as a reception restriction period and then executes counting (step 513), and determines whether the counting value of the timer 115 reaches the reception restriction period ( In step 515, when the counting value reaches the reception limit period, the stored reception limit display menu output request command is transmitted to the reception limit display menu storage module 117 (step 517).

The reception restriction display menu storage module 117 provides the reception restriction display menu set in the step 505 to the data processing unit 130 according to the reception restriction display menu output request command (step 519), and the data processing unit 130. ) Processes the reception restriction display menu for a predetermined time in step 521 and then outputs the received restriction display menu.

On the other hand, if the counting value of the timer is requested to select another channel before reaching the reception limit period in the step 515, the counting value of the timer is stored, and then the counting value of the timer when re-watching the grant channel is Accumulate.

Therefore, by comparing the reception entitlement information of the ECM supplied from the service subscribed channel with the viewing entitlement information of the EMM supplied from the reception restriction server, it is determined whether the grant channel is based on a comparison result, and if the decision result is the grant channel, the grant channel determination step. In the case of the permission channel in the above, the reception restriction menu including the reception restriction selection information, the personal information, the reception restriction period, the reception restriction display menu, and the predetermined time limit that restricts the reception of the permission channel are generated, According to the reception restriction period and the reception restriction display menu and the predetermined time, the data for the permission channel is received and the preset reception restriction display menu is output for the predetermined predetermined time at every reception restriction period set by the subscriber. Restriction on Receive Time Based Receive Service It is possible to further enhance the convenience of the digital broadcast receiver by providing the service to the service subscribers.

When the terminal device compares the reception credential information of the ECM supplied from the channel subscribed to the service with the viewing credential information of the EMM supplied from the reception restriction server, it is determined whether the channel is a permission channel according to the comparison result. Create a reception restriction menu including personal information, reception restriction period, reception restriction display menu, predetermined time, and the like, and store the reception restriction period, reception restriction display menu, and predetermined time according to the result of subscriber authentication by personal information. Digital reception can further improve convenience by providing a reception restriction service that temporarily receives reception of a permission channel by receiving the data on the permission channel and outputting a reception restriction display menu for a predetermined time period for each preset reception restriction period. Not only is there a good chance of commercialization or sales of broadcast receivers, Ever it can be apparently carried out.

1 is a view showing the configuration of a service reception restriction system according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating a configuration of a terminal device shown in FIG. 1.

3 is a diagram illustrating a configuration of the management unit illustrated in FIG. 2.

4 is a diagram illustrating a digital broadcast receiver reception restriction process according to another embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: terminal device

110: management

111: permission channel determination module

113: reception limit control module

115: timer

117: reception restriction display menu storage module

130: data processing unit

300: restriction server

Claims (13)

The reception qualification information of the ECM supplied from the service subscribed channel and the viewing qualification information supplied from the reception restriction server are compared to determine whether the license channel is based on the comparison result, and in the case of the authorization channel, the reception is restricted to the reception channel. A terminal device for setting a reception restriction mode for limiting data reception for a permission channel based on a viewing time in accordance with a reception selection menu including restriction selection information, personal information, a reception restriction period, a reception restriction display menu, and a predetermined time; And And a reception restriction server for generating a user management message EMM and an ECM corresponding to the selected service and transmitting the same to the terminal device. Compare the viewing entitlement information of the EMM supplied from the reception restriction server with the receiving entitlement information of the ECM supplied from the selected channel, and according to the comparison result, in the case of the grant channel, the reception of data supplied from the grant channel based on the viewing time is predetermined. A management unit for generating and transmitting a reception restriction menu for limiting for a time; And And a data processing unit which displays the reception restriction menu supplied by the management unit on the screen and provides the management unit with a reception restriction period and a reception restriction display menu selected by the subscriber according to the reception restriction menu displayed on the screen. The method according to claim 2, wherein the management unit, A permission channel determination module for comparing the viewing qualification information of the EMM supplied from the reception restriction server with the reception qualification information of the ECM supplied from the selected channel and determining whether the permission channel is based on a comparison result; In the permission channel determination module, reception restriction control for generating a reception restriction menu based on the viewing time set by the subscriber and providing it to the data processing unit and storing the reception restriction menu supplied from the data processing unit after executing subscriber authentication. module; A timer counting a reception limit period supplied from the data processing unit according to the control of the reception limit control module; And A reception restriction for outputting a reception restriction display menu preset by the subscriber under the control of the reception restriction control module when a plurality of reception restriction display menus are stored in advance and the counting value of the timer reaches the reception restriction period. The terminal device further comprises a display menu storage module. The method of claim 2, wherein the reception restriction menu, And at least one of reception restriction selection information, personal information, a reception restriction period, a reception restriction display menu, and a predetermined time. The method of claim 4, wherein the data processing unit, A reception restriction selection message for setting the reception restriction registration by receiving the reception restriction menu is displayed on a screen in a pop-up window, Generates and displays a subscriber's personal information input message on the screen when the reception restriction registration request is made through the displayed reception restriction selection information, After the input of the personal information input by the service subscriber through the personal information input message, the personal information input is transmitted to the reception restriction control module, and then a reception restriction cycle message is displayed on the screen. After inputting the reception restriction period through the reception restriction period message, a plurality of reception restriction display menu input messages are generated and displayed on the screen. And generating a predetermined time input message for setting a time for outputting the reception restriction display menu after completion of setting the reception restriction display menu according to the reception restriction display menu input message and displaying the message on the screen. The method of claim 4, wherein the reception restriction display menu, Set at least one of music, video, and SMS (short message service) to be output for the predetermined time after the reception restriction period displayed on the screen is provided, and received and stored from the authorized content through the permission channel determination module. Terminal device. The method of claim 3, wherein the data processing unit, After the reception restriction menu registration is completed, the received data for the grant channel is descrambled, decoded, and displayed on the screen. And outputting a preset reception limit display menu from the reception limit display menu stored in the reception limit display menu storage module when the counting value of the timer reaches the reception limit period. A grant channel determination step of comparing the viewing credential information of the EMM supplied from the reception restriction server with the reception credential information of the ECM supplied from the selected channel and determining whether it is a grant channel according to the comparison result; And In the grant channel determination step, if a grant channel is generated, a reception limit menu including a reception limit period for restricting the reception of the grant channel and a reception limit display menu is generated, and then the data for the grant channel is received, and then the reception set by the subscriber is performed. And a reception restriction control step of restricting reception of the grant channel by outputting a reception restriction display menu every restriction period. The method of claim 8, wherein the reception restriction control step, A reception restriction menu generation step of providing a reception restriction menu generated for the grant channel to the data processor; A reception restriction menu setting step of receiving the reception restriction menu from the data processing unit, displaying a reception restriction menu on an on-screen, and setting a reception restriction period and a reception restriction display menu according to the displayed reception restriction menu to a management unit; And And a reception restriction menu storing step of storing a reception restriction period and a reception restriction display menu set in the reception restriction menu setting step. The method of claim 8, wherein the reception restriction menu, And at least one of a reception restriction selection information, personal information, a reception restriction period, a reception restriction display menu, and a predetermined time. The method of claim 9, wherein the step of setting the reception restriction menu, A reception restriction selection message for setting the reception restriction registration by receiving the reception restriction menu is displayed on a screen in a pop-up window, Generates and displays a subscriber's personal information input message on the screen when the reception restriction registration request is made through the displayed reception restriction selection information, After the input of the personal information input by the service subscriber through the personal information input message, the personal information input is transmitted to the reception restriction control module, and then a reception restriction cycle message is displayed on the screen. After inputting the reception restriction period through the reception restriction period message, a plurality of reception restriction display menu input messages are generated and displayed on the screen. And a predetermined time input message for setting a time for outputting the reception restriction display menu after completion of the reception restriction display menu setting according to the reception restriction display menu input message and displaying the generated message on the screen. . The method of claim 9, wherein the reception restriction display menu, Set at least one of music, video, SMS (short message service) to be output for a predetermined time after the reception restriction period displayed on the screen, provided and stored from the content authorized through the permission channel determination module How to restrict service reception. The method according to claim 12, wherein the method, A data processing step of receiving, descrambled, decoded, displayed on the screen, and driving a timer after the reception restriction menu registration is completed; And And a reception limit display menu outputting step of outputting the reception limit display menu when the timer reaches the reception limit period in the data processing step.

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