JP2008054087A - Digital broadcast system and digital broadcast viewing/listening guide method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a digital broadcast system and a digital broadcast viewing/listening guide method that allow to raise a program audience rating while guiding the viewing/listening of friends and family members on the premise of individual viewing/listening of a television broadcast by one-segment viewing/listening. <P>SOLUTION: A service management part 304 of a broadcasting-station server 300 refers to a friend table so as to generate a logging-in friend list table while confirming logging-in friends from among friends of login users. Next, when the service management part 304 confirms that the user is logging in, it refers to a flag, showing whether a point is already imparted to the user himself/herself or not, of the user in the logging-in friend list table, namely, it confirms whether the flag, showing whether a point is already imparted to the user himself/herself or not, is "1: already imparted" or "0: not imparted". When the flag is "0: not imparted", the service management part executes point imparting control such as imparting a user himself/herself viewing/listening point of a currently viewing/listening program to the user while referring to a program management DB. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a viewing guidance technique in terrestrial digital broadcasting or one-segment broadcasting.

  In terrestrial digital broadcasting, a 6 MHz broadcast wave is divided into 13 bands, and a carrier modulation scheme and a convolutional code coding rate can be selected for each band. Each divided band is called a segment. Digital broadcasting for portable terminals using the band for one segment is realized as so-called “one-segment broadcasting”.

  Mobile personal computers, car navigation systems, mobile phone terminals, and the like have been developed as receiving terminals compatible with one-segment broadcasting, and can receive television broadcasts with less noise.

Also, Patent Literature 1 proposes an audience rating survey method for digital broadcasting for portable terminals. In this audience rating investigation method, program viewing data transmitted from a mobile terminal is received by a server device, and the server device converts antenna identification information included in the received program viewing data into address information or position information and stores and records it. I am doing so.
JP 2004-274394 A

  However, since the conventional audience rating survey method only stores and records program viewing data transmitted from the mobile terminal, the audience rating of the program viewed on the mobile terminal can be known. It is not possible to provide a service for securing the audience rating.

  Therefore, the present invention has been made in view of such points, and on the premise of individual viewing of television broadcasting by one-segment viewing, a digital broadcasting system that induces viewing of friends and family and increases the viewing rate of programs, and An object is to provide a digital broadcasting viewing guidance method.

  The digital broadcast system of the present invention includes a digital broadcast transmission device that transmits program content as a digital broadcast, a broadcast station server that transmits the program content via a network, and a program content from the digital broadcast transmission device and the broadcast station server, respectively. In the digital broadcasting system comprising the terminal device that receives and reproduces the broadcast station server, the broadcast station server invites the first user to view and register the viewing program for viewing and registering the predetermined program content. An invitation means for sending an e-mail to a second user, a user registration means for the second user receiving the e-mail to register his / her user ID in the viewing registration means, and the digital broadcast sending device During the program content transmission time, the e-mail is referred to the viewing registration means. Viewing determination means for determining whether or not the invited second user is viewing the program content, and the second registered in the user database for the number of second users who are viewing the program content. Point granting means for granting points to one user.

  The digital broadcast viewing guidance method of the present invention includes a digital broadcast transmission device that transmits program content as a digital broadcast, a broadcast station server that transmits program content via a network, the digital broadcast transmission device, and the broadcast station server, respectively. A digital broadcast viewing guidance method in a digital broadcasting system comprising: a terminal device that receives and reproduces program content, wherein the first user views and registers predetermined program content in viewing registration means; A step of transmitting an e-mail for inviting viewing of content to a second user, a step of a second user receiving the e-mail registering his / her user ID in the viewing registration means, and transmission of the digital broadcast Refer to the viewing registration means during the transmission time of the program content from the device Determining whether or not the second user invited by the e-mail is viewing the program content, and registering in the user database by the number of second users who are viewing the program content. And a step of giving points to the first user.

  According to these inventions, as a means for viewing and registering program content, for example, a viewing table is provided for each program ID, and the first user who has registered for viewing invites the second user. By registering viewing in the viewing table, at the time of program content distribution (broadcasting), it is determined whether or not the second user invited by the first user is viewing the program content with reference to the viewing table. And when the 2nd user is viewing, the point is provided to the 1st user as an incentive. Thereby, the program viewing of friends and family can be guided, and the viewing rate of the program can be increased.

  ADVANTAGE OF THE INVENTION According to this invention, viewing of another user can be induced | guided | derived with respect to the program content provided with specific program ID, and the audience rating of a program can be raised.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a diagram showing a system configuration of a digital broadcasting system according to an embodiment to which the present invention is applied. In FIG. 1, a digital broadcast system 10 includes a television station 100, a digital broadcast receiving terminal 200, a broadcast station server 300 (also used as a first server processing means and a second server processing means), and another user digital broadcast reception. The digital broadcast receiving terminal 200, the broadcast station server 300, and a plurality of different user digital broadcast receiving terminals 400 are connected via the Internet N.

  The television station 100 modulates broadcast data including program data such as various programs and broadcast data including BML data linked to the program or providing a unique data broadcast into a television broadcast wave. The digital broadcast receiving terminal 200 receives a television broadcast radio wave broadcast from the television station 100, demodulates the television broadcast radio wave, reproduces program data, and displays a data broadcast based on the BML data. Also, the digital broadcast receiving terminal 200 transmits / receives information related to the broadcast content viewing service to / from the broadcast station server 300 via the Internet N. The broadcast station server 300 executes viewing registration processing, friend registration processing, and the like with the digital broadcast receiving terminal 200 via the Internet N, and viewing registration processing with the other digital broadcast receiving terminal 400 via the Internet N. Etc.

FIG. 2 is a block diagram showing a configuration of the digital broadcast receiving terminal 200. The digital broadcast receiving terminal 200 described here can receive and display a so-called terrestrial digital broadcast such as a so-called one-segment mobile phone terminal, a personal computer having a digital tuner installed and connected thereto, a PDA (Personal Data Assistant), and the like. Any device can be used as long as it can access the Internet and is equipped with a browser program.
In FIG. 2, a digital broadcast receiving terminal 200 includes a control unit 201, an input unit 202, a display unit 203, a WEB browser unit 204, an email unit 205, a communication unit 206, a digital broadcast reception unit 207, A digital broadcast control unit 208, a BML browser unit 209, and a storage unit 210 are provided, and each unit is connected via a bus 211.

  The control unit 201 controls each unit in the digital broadcast receiving terminal 200 by reading and executing various programs stored in the storage unit 210.

  The input unit 202 includes a numeric keypad and various function keys (in the case of a one-segment mobile phone terminal, a numeric key corresponds to a keyboard or numeric keypad in the case of a personal computer or a PDA), and according to a key operation by a user The key input signal is output to the control unit 201.

  The display unit 203 is configured by a liquid crystal display panel or the like, and displays content such as a digital broadcast program or BML data broadcast output from the digital broadcast control unit 208 based on a display control signal output from the control unit 201.

  The WEB browser unit 204 controls access to a WEB server related to data broadcasting, WEB screen display control, mail screen display control and mail transmission control related to viewing registration processing, WEB access control and friend registration screen related to friend registration processing. Display control and the like are executed.

  The email unit 205 executes email creation processing, and controls the communication unit 206 to execute email transmission / reception processing, email transmission processing related to viewing registration processing, and the like.

  The communication unit 206 has a communication function of connecting to the Internet N and executing communication with the broadcast station server 300 via the Internet N.

  The digital broadcast receiving unit 207 receives a television broadcast wave broadcast from the television station 100, demodulates program data and BML data, outputs the demodulated program data to the digital broadcast control unit 208, and outputs the BML data to the BML browser unit. To 209.

  The digital broadcast control unit 208 includes a video / audio reproduction unit 208a and an NVRAM 208b. The video / audio reproduction unit 208 a reproduces video and audio of program data input from the digital broadcast reception unit 207. The NVRAM (Non Volatile RAM) 208b is a nonvolatile semiconductor memory, and stores a viewing ID (NVRAM ID) received from the broadcast station server 300 and the like.

  Based on the BML data received from the broadcasting station server 300 via the Internet N by the communication unit 206, the BML browser unit 209 performs display control of data broadcasting, registration screen display control related to viewing registration processing, viewing registration information transmission / reception control, Friend registration screen display control related to friend registration processing, friend registration information transmission / reception control, and the like are executed.

  The storage unit 210 stores various programs used in the control unit 201. In FIG. 2, the BML browser unit 209 is illustrated as an independent configuration, but may be configured to be included in the digital broadcast control unit 208.

FIG. 3 is a block diagram showing a configuration of the broadcast station server 300. The broadcast station server 300 is configured using a general-purpose computer system.
3, the broadcast station server 300 includes a control unit 301, a user management unit 302, a friend management unit 303, a service management unit 304, an email unit 305, a communication unit 306, a user DB 307, and a storage unit. 308, and each unit is connected via a bus 310.

  The control unit 301 controls each unit in the broadcast station server 300 to control viewing registration processing, friend registration processing, communication processing, program viewing service processing, and the like.

  The user management unit 302 manages user information related to viewing registration processing using the user DB 307.

  The friend management unit 303 manages friend information related to the friend registration process using the user DB 307.

  The service management unit 304 manages points related to user friend invitations using the user DB 307.

  The e-mail unit 305 controls the communication unit 306 to execute e-mail transmission processing related to viewing registration processing and friend registration processing.

  The communication unit 306 is connected to the Internet N, and performs e-mail transmission / reception processing and viewing registration processing between the digital broadcast receiving terminal 200 and the other digital broadcast receiving terminal 400 via the Internet N under the control of the e-mail unit 305. Execute related email transmission processing. In addition, when the communication unit 306 receives information related to viewing registration or various information related to friend registration from the digital broadcast receiving terminal 200 and the other digital broadcast receiving terminal 400, the communication unit 306 outputs the received information to the control unit 301.

  4 to 8, the user DB 307 includes a user database (hereinafter referred to as user DB) 401, a friend table 402, a logged-in friend list table 403, and a service management database (hereinafter referred to as service management DB). 404 and a program management database (hereinafter referred to as a program management DB) 405 are stored.

  The user DB 401 shown in FIG. 4 includes an “ID” for identifying a user, a “temporary registration flag” indicating whether or not a user is provisionally registered for a service provided by the broadcast station server 300, and the digital broadcast receiving terminal 200 for personal identification. The broadcast station server 300 provides an “NVRAM ID” for registering an encrypted ID stored in the NVRAM 208b of the user, a “mail address” of the user, a “password” and a “nickname” set for each user. The “points” to be given when viewing the program of the user who has been registered with the service and introducing friends, the “registration date” indicating the date of user registration, and the “resident area” indicating the whereabouts of the user are stored in association with each other. To do.

  The friend table 402 illustrated in FIG. 5 includes a “principal ID” for identifying the user himself / herself registered in the user DB 401, a “parent / parent ID” for identifying the parent of the parent relative to the principal, and a “parent ID for identifying the parent”. The “parent ID” and “friend 01 ID, friend 02 ID” for identifying the friend of the person are stored in association with each other, and if there is a friend 03, the friend 03 ID is stored in association with each other.

  The logged-in friend list table 403 shown in FIG. 6 includes a “principal ID” that identifies the logged-in user, a “point already given flag” that indicates whether or not points are granted to the logged-in user, and a logged-in friend. "Friend 01 ID" that identifies 01, "Friend 01 relationship" that indicates the relationship between the user and the friend 01, "Friend 01 status" that indicates the login status of the friend 01, and whether or not points are given to the friend 01 “Friend 01 already assigned flag” is stored in association with each other, and if there are friends 02 and friends 03, similar items for friends 02 and 03 are stored in association with each other. Note that the logged-in friend list table 403 is a table in which information stored during broadcast of a program is valid, and is invalid after the broadcast of the program ends.

  The service management DB 404 shown in FIG. 7 includes a “maximum number of friends” that sets the upper limit of the number of friends registered by the inviter, an “invitation reward point (parent)” that sets the number of points that enter the inviter (parent), and an invitation. "Invitation reward points (parent's parent)" that sets the number of points that enter the inviter (parent's parent) of the person (parent) are stored in association with each other.

  The program management DB 405 shown in FIG. 8 gives “service start time” indicating the start time of the program providing the service, “service end time” indicating the end time of the program, and the user who logged in to the program. Depending on the number of children who are logged in to the category and the “friends viewing point” that sets points given according to the number of friends who are logged in to the category Are stored in association with a “child viewing point” for setting points to be given and a “point giving method” indicating a point giving method. Note that “one time” as the point giving method indicates that the number of times points are given to a user who has logged in during the program broadcast is one time. In addition, “tour” indicates that points are given each time the same user confirms login during the program broadcast.

  Next, the operation in the digital broadcast system 10 of the present embodiment will be described.

  First, detailed processing of the NVRAM registration processing executed between the digital broadcast receiving terminal 200 and the broadcasting station server 300 will be described with reference to the flowchart shown in FIG.

  When the BML browser unit 204 of the digital broadcast receiving terminal 200 starts receiving the digital broadcast of the program providing the service by the digital broadcast receiving unit 207 (step S101), the viewing ID related to the service is displayed in the NVRAM 208b in the digital broadcast control unit 208. It is confirmed whether (NVRAM ID) is stored (step S102).

  When the viewing ID (NVRAM ID) related to the service is stored in the NVRAM 208b (step S102: YES), the BML browser unit 204 proceeds to a service process (see FIG. 12) described later. If the viewing ID (NVRAM ID) related to the service is not stored in the NVRAM 208b (step S102: NO), a service registration guidance screen is displayed on the display unit 203 (step S103).

  Next, the BML browser unit 204 determines whether or not a registration destination link button (not shown) displayed on the displayed service registration guidance screen has been operated (step S104). When the registration destination link button is operated (step S104: YES), the registration form (A) is displayed on the display unit 203 (step S105). In this registration form (A), it is assumed that the user's e-mail address and password are prompted for input. When the registration destination link button is not operated (step S104: NO), the process returns to step S103. When the input to the registration form (A) is completed (step S106: YES), the BML browser unit 204 sends the registration form (A) information including the input mail address and the password from the communication unit 206 via the Internet N1. Transmit to the broadcast station server 300. If the input to the registration form (A) is not completed (step S106: NO), the process returns to step S105.

  Next, the broadcast station server 300 confirms whether or not the registration form (A) information is received from the digital broadcast receiving terminal 200 (step S201). When the registration form (A) information is received (step S201: YES), the user management unit 302 checks whether or not the mail address included in the registration form (A) information exists in the user DB 401 (step S201). S202). If the mail address does not exist in the user DB 401 (step S202: NO), a mail address unregistered notification is transmitted to the digital broadcast receiving terminal 200 by the communication unit 306 (step S203).

  In step S201, when registration form (A) information is not received (step S201: NO), this process is repeatedly executed. In step S202, if the mail address exists in the user DB 401 (step S202: YES), the process proceeds to step S208.

  The digital broadcast receiving terminal 200 confirms whether or not a mail address unregistered notification has been received from the broadcast station server 300 (step S107). When the e-mail address unregistered notification is received (step S107: YES), the BML browser unit 204 displays the registration form (B) on the display unit 203 (step S108). This registration form (B) prompts the user to input a nickname and other information. Further, when the mail address unregistered notification is not received (step S107: NO), this process is repeatedly executed.

  When the input to the registration form (B) is completed (step S109: YES), the registration form (B) including the input nickname and other information is transmitted from the communication unit 206 to the broadcast station server 300 via the Internet N1. . If the input to the registration form (B) is not completed (step S109: NO), the process returns to step S108.

  Next, the broadcast station server 300 confirms whether or not the registration form (B) information is received from the digital broadcast receiving terminal 200 (step S204). When the registration form (B) information is received (step S204: YES), the user management unit 302 temporarily registers the nickname and other information included in the registration form (B) information in the user DB 401 (step S205).

  Next, the user management unit 302 transmits a main registration mail from the communication unit 306 to the digital broadcast receiving terminal 200 (step S206). Note that a URL for main registration is set in the main registration mail. Next, the user management unit 302 issues an NVRAM ID (step S207), transmits the NVRAM ID from the communication unit 306 to the digital broadcast receiving terminal 200, and ends this process.

  Next, when the digital broadcast receiving terminal 200 receives the NVRAM ID transmitted from the broadcast station server 300 through the communication unit 206, the digital broadcast receiving terminal 200 registers the NVRAM ID in the NVRAM 208b in the digital broadcast control unit 208 (step S110).

  Also, in step S202, the user management unit 302 of the broadcast station server 300 moves to step S208 if the mail address included in the received registration form (A) information exists in the user DB 401 (step S202: YES). Then, it is confirmed whether or not the personal identification number included in the received registration form (A) information matches the personal identification number stored in the user DB 401. If the passwords match (step S208: YES), that is, if it is confirmed that the WEB registration of the user to be invited to be described later has been completed, the friend search / invite processing to be described later (step S714). By referring to the invitation reward point (parent) set in the service management DB 404 of FIG. 7, points are given to the inviter who invited the user (step S209).

  Next, the user management unit 302 issues an NVRAM ID (step S210), transmits the NVRAM ID from the communication unit 306 to the digital broadcast receiving terminal 200, and ends this processing. If the passwords do not match (step S208: NO), the user management unit 302 transmits an error notification from the communication unit 306 to the digital broadcast receiving terminal 200, and ends this process.

  Next, the WEB browser unit 204 of the digital broadcast receiving terminal 200 confirms whether or not an error notification transmitted from the broadcast station server 300 has been received (step S111). If an error notification has been received (step S111: YES), an error screen is displayed on the display unit 203 (step S113), and this process ends. If no error notification is received (step S111: NO), the NVRAM ID received from the broadcast station server 300 is registered in the NVRAM 208b in the digital broadcast control unit 208 (step S112), and a service process (FIG. 12).

  With the above NVRAM registration processing, the initial registration user performs temporary registration processing that requires a WEB operation from the received mail, and then shifts to the main registration processing. It is possible to obtain an accurate e-mail address from an initial registered user.

  Next, detailed processing of the main registration processing executed between the digital broadcast receiving terminal 200 and the broadcast station server 300 will be described with reference to the flowchart shown in FIG.

  In the main registration process, in the NVRAM registration process, the broadcasting station server 300 transmits a main registration mail to the digital broadcast receiving terminal 200 (step S206), and the digital broadcast receiving terminal 200 that has received the main registration mail. It is the process performed in.

  The e-mail unit 205 of the digital broadcast receiving terminal 200 confirms whether or not a main registration mail transmitted from the broadcast station server 300 has been received (step S301). When the main registration mail is received (step S301: YES), the mail is displayed on the display unit 203 (step S302), and it is confirmed whether or not the main registration URL in the mail has been operated (step S303). If the URL for main registration is not operated (step S303: NO), the process returns to step S302. In addition, when the URL for main registration is operated (step S303: YES), the e-mail unit 205 acquires the terminal information (for example, terminal ID) of the own terminal and acquires the URL access signal. Is transmitted from the communication unit 206 to the broadcast station server 300 (step S304).

  Next, when receiving a URL access signal including terminal information from the digital broadcast receiving terminal 200, the user management unit 302 of the broadcasting station server 300 registers the terminal information in the user DB 401 (step S401). Next, the user management unit 302 changes the temporary registration flag of the corresponding user in the user DB 401 to “0” (step S402), transmits a main registration completion notification to the digital broadcast receiving terminal 200, and ends this processing. To do.

  Next, when receiving the main registration completion notification from the broadcast station server 300, the WEB browser unit 204 of the digital broadcast receiving terminal 200 displays a main registration completion screen on the display unit 203 (step S305), and ends the process.

  With the above main registration processing, the main registration processing for the broadcast station server 300 of the user of the digital broadcast receiving terminal 200 that has been temporarily registered is completed, and it is possible to participate in the program viewing service provided from the broadcast station server 300. Become.

  Next, detailed processing of the invited user WEB registration processing executed between the digital broadcast receiving terminal 200 and the broadcasting station server 300 will be described with reference to the flowchart shown in FIG.

  This invited user WEB registration process temporarily registers user information such as a nickname from the WEB before the user invited by the invitation mail transmitted from the registered user in step S714, which will be described later, before viewing the program on the BML linked with the broadcast. It is processing.

  The e-mail unit 205 of the digital broadcast receiving terminal 200 confirms whether or not an invitation guidance mail transmitted from the broadcast station server 300 has been received (step S501). When the invitation guidance mail is received (step S501: YES), the mail is displayed on the display unit 203 (step S502). Further, when the invitation guidance mail is not received (step S501: NO), this process is repeatedly executed. A unique e-mail address for registration is set in the invitation guidance e-mail.

  Next, the e-mail unit 205 checks whether or not a reply operation to the registration unique e-mail address in the invitation guidance e-mail has been performed (step S503). When a reply operation is performed (step S503: YES), a reply mail is transmitted to the broadcast station server 300 by the communication unit 206. If no reply operation is performed (step S503: NO), the process returns to step S502.

  Next, the friend management unit 303 of the broadcast station server 300 confirms whether or not a reply mail transmitted from the digital broadcast receiving terminal 200 has been received (step S601). If a reply mail is received (step S601: YES), the sender mail address is acquired from the reply mail (step S602). If no reply mail is received (step S601: NO), this process is repeatedly executed.

  Next, the friend management unit 303 confirms whether or not the acquired transmission source mail address is stored in the user DB 401 of FIG. 4 (step S603). When the sender mail address is stored in the user DB 401 (step S603: YES), the existing member guidance mail is transmitted to the digital broadcast receiving terminal 200 by the communication unit 306 (step S604). If the transmission source mail address is not stored in the user DB 401 (step S603: NO), a unique registration screen URL based on the transmission source mail address is generated, and a registration guide mail including this unique registration screen URL is communicated. The data is transmitted to the digital broadcast receiving terminal 200 by the unit 306 (step S605).

  Next, the e-mail unit 205 of the digital broadcast receiving terminal 200 confirms whether or not an existing member guide mail transmitted from the broadcast station server 300 has been received (step S504). When the existing member guidance mail is received (step S504: YES), this process ends. In addition, when the existing member guidance mail is not received (step S504: NO), the registration guidance mail transmitted from the broadcasting station server 300 is received (step S505), and the registration guidance mail is displayed on the display unit 203 (step S505). S506).

  Next, the e-mail unit 205 confirms whether or not the unique registration screen URL set in the displayed registration guidance e-mail has been operated (step S507). When the unique registration screen URL is operated (step S507: YES), the WEB registration form is displayed on the display unit 203 by the WEB browser unit 204 (step S508).

  Next, the WEB browser unit 204 confirms completion of input of user information for registering in the user DB 401 such as a nickname in the WEB registration form (step S509). When the input of information is completed (step S509: YES), terminal information is acquired (step S510), and the terminal information and user information are transmitted to the broadcast station server 300 by the communication unit 206.

  Next, the friend management unit 303 of the broadcast station server 300 registers the terminal information and user information received from the digital broadcast receiving terminal 200 in the user DB 401 (step S606), and a registration completion notification is transmitted by the communication unit 306 to the digital broadcast receiving terminal 200. (Step S607), and this process is terminated.

  Next, the WEB browser unit 204 of the digital broadcast receiving terminal 200 confirms whether or not a registration completion notification transmitted from the broadcast station server 300 has been received (step S511). When the registration completion notification is received (step S511: YES), the WEB registration completion and the program guide screen are displayed on the display unit 203 (step S512), and this process ends. The program guide screen displayed on the display unit 203 includes program information to be registered.

  Through the above invited user WEB registration process, the invited user, that is, the friend invited from the user who has been initially registered, starts a series of operations starting from a reply operation to the invited user's own registration e-mail address by the invitation guidance mail. Through the processing, it is possible to complete provisional registration in the broadcast station server 300 without accompanying NVRAM ID registration in the digital broadcast receiving terminal 200. In addition, in the case of proceeding to the main registration, the invited user can perform the main registration by referring to the program information displayed on the program guide screen displayed at the end of the above-described process and shifting to the NVRAM registration process. Is possible.

  In the invited user WEB registration process, a unique email address for registration is set for each invited user. For example, when the A user tries to invite the B user, the user A's registration unique mail address is set, and the B user who has received the invitation mail returns the unique address, so that the broadcast station server 300 can change the B user's An e-mail address is acquired, and it is possible to manage that B user is invited to A user.

  Next, detailed processing of service processing executed between the digital broadcast receiving terminal 200 and the broadcasting station server 300 will be described with reference to the flowchart shown in FIG.

  The service process of FIG. 12 is a flowchart showing the overall flow of the program viewing service.

  The digital broadcast receiving terminal 200 displays a login screen in the data broadcast display frame of the program screen while viewing the user-registered program (step S701). It is assumed that a login button is displayed on the login screen. Then, the BML browser unit 209 confirms whether or not the login button has been operated on the login screen (step S702). When the login button is operated (step S702: YES), the login access is made to the program viewing service of the broadcast station server 300. If the login button is not operated (step S702: NO), the process returns to step S701.

  Next, the service management unit 304 of the broadcast station server 300 monitors the presence / absence of login access from the digital broadcast receiving terminal 200 (step S801). If login access is detected (step S801: YES), the accessed digital It is confirmed whether or not the NVRAM ID of the broadcast receiving terminal 200 exists in the user DB 401 (step S802). If the NVRAM ID does not exist in the user DB 401 (step S802: NO), an unregistered notification is transmitted to the digital broadcast receiving terminal 200 by the communication unit 306 (step S803), and this process is terminated. If the NVRAM ID exists in the user DB 401 (step S802: YES), the process proceeds to step S804.

  Next, the BML browser unit 209 of the digital broadcast receiving terminal 200 confirms whether or not an unregistered notification is transmitted from the broadcast station server 300 (step S703). If an unregistered notification is received (step S703: YES), the ID in the NVRAM 208b is deleted (step S704). If no unregistered notification is received (step S703: NO), this process is repeated.

  Next, in step S804, the service management unit 304 of the broadcast station server 300 confirms whether the NVRAM ID existing in the user DB 401 is provisional registration. That is, it is confirmed whether or not the temporary registration flag stored in the user DB 401 is set (“1”). If it is provisional registration (step S804: YES), it is determined whether or not it is within an allowable period for limiting the use period of the provisional registration ID (step S805). In other words, the temporary registration ID sets the allowable period and restricts the use period, thereby prompting the temporary registration user to shift to the main registration and prompting participation in the service. . If the provisional registration is within the allowable period (step S805: YES), the process proceeds to step S807. If the provisional registration is not within the allowable period (step S805: NO), the registration instruction is transmitted to the digital broadcast receiving terminal 200 through the communication unit 306 (step S806), and the process is terminated. If the NVRAM ID is not provisional registration in step S804 (step S804: NO), that is, if the provisional registration flag stored in the user DB 401 is “0”, the process proceeds to step S807.

  Next, the BML browser unit 209 of the digital broadcast receiving terminal 200 confirms whether or not a main registration instruction instruction transmitted from the broadcast station server 300 has been received (step S705). When the main registration guidance instruction is received (step S705: YES), the main registration guidance is displayed on the display unit 203 (step S706), and the process proceeds to the supplemental registration process of FIG. Further, when the registration registration instruction is not received (step S705: NO), the process proceeds to step S707.

  Next, in step S807, the service management unit 304 of the broadcast station server 300 generates the logged-in friend list table 403 shown in FIG. In this case, with reference to the friend table 402 in FIG. 5, the logged-in friends are confirmed from the logged-in user's friends, and the logged-in friend list table 403 is generated. Next, the service management unit 304 confirms whether or not the user is logged in (step S808). If the user is not logged in (step S808: NO), logout is determined (step S809), and the process ends.

  Next, when the service management unit 304 of the broadcast station server 300 confirms that the user is logged in in step S808 (step S808: YES), the user in the logged-in friend list table 403 in FIG. 8 is referred to, that is, whether the point already granted flag is “1: granted” or “0: not granted”. If “0: not granted”, the program management of FIG. With reference to the DB 405, point granting control such as granting the person viewing point in the program being viewed to the corresponding user is executed (step S810).

  Next, the service management unit 304 confirms whether or not there is a friend application for the user (step S811). When there is a friend application (step S811: YES), a friend application presence notification is transmitted to the digital broadcast receiving terminal 200 by the communication unit 306 (step S812).

  Next, the BML browser unit 209 of the digital broadcast receiving terminal 200 confirms whether or not a friend application notification transmitted from the broadcast station server 300 has been received (step S708). When the friend application notification is not received (step S707: NO), the process proceeds to step S710. If the friend application notification is received (step S707: YES), the friend application process shown in FIG. 12 described later is executed (step S708), and the friend application process end notification is sent to the broadcast station server 300 by the communication unit 206. Transmit (step S709).

  Next, the service management unit 304 of the broadcast station server 300 receives the friend application process end notification transmitted from the digital broadcast receiving terminal 200 (step S813), and when there is no friend application (step S811: NO). In step S814, the logged-in friend list table 403 in FIG. 6 is updated. Next, points for the number of friends who are logged in are given to the person referring to the program management DB 405 of FIG. 8 (step S815). Here, for example, the points to be given differ depending on whether the “point granting method” set in the program management DB 405 is “once” or “tour”. In the case of “point grant method: once”, points are awarded only for the first time when a friend logs in to the program. In the case of “point granting method: patrol”, repeated points are given each time login is confirmed (step S808). Whether or not the login is the first time is controlled by whether the point already granted flag of the corresponding user in the logged-in friend list table 403 in FIG. 6 is “1: granted” or “0: not assigned”.

  Next, the service management unit 304 confirms whether or not a message has been received from a friend (step S816). If a message has been received (step S816: YES), a message reception notification is transmitted to the digital broadcast receiving terminal 200 through the communication unit 306 (step S817). If no message is received (step S816: NO), a login list friend list display notification is transmitted to the digital broadcast receiving terminal 200 by the communication unit 306 (step S818).

  Next, the BML browser unit 209 of the digital broadcast receiving terminal 200 confirms whether or not a message reception notification transmitted from the broadcast station server 300 has been received (step S710). When the message reception notification is received (step S710: YES), the process proceeds to the message reception process of FIG. 14 described later (step S711), and the process proceeds to step S712. If the message reception notification is not received (step S711: NO), the login friend list display notification transmitted from the broadcast station server 300 is received, and the login friend list screen is displayed on the display unit 203 (step 203). S712). On the logged-in friend list screen, three processes of “message transmission process”, “friend search / invite process”, and “friend registration cancellation process” can be selected for each friend who is logged in.

  Then, when “message transmission process” is selected with a friend on the logged-in friend list screen, the WEB browser unit 204 proceeds to a message transmission process of FIG. 15 to be described later (step S713). If “friend search / invite process” is selected with a friend, the process proceeds to a friend search / invite process of FIG. 16 to be described later (step S714). If “friend registration cancellation process” is selected with a friend, the process proceeds to a friend registration cancellation process of FIG. 17 to be described later (step S716).

  Next, the service management unit 304 of the broadcast station server 300 moves to step S819 after step S817 and step S818, and confirms the passage of a predetermined time. When the predetermined time has elapsed (step S819: YES), the fixed time elapse notification is transmitted to the digital broadcast receiving terminal 200 through the communication unit 306, and whether or not the program (service period) has ended is shown in FIG. It confirms with reference to the service end time in DB405 (step S820). When the program (service period) ends (step S820: YES), a program end notification is transmitted to the digital broadcast receiving terminal 200 through the communication unit 306 (step S821), and this process ends. If the program (service period) has not ended (step S820: NO), a program continuation notice is transmitted to the digital broadcast receiving terminal 200 through the communication unit 306 (step S822), and this process ends.

  Next, when the BML browser unit 209 of the digital broadcast receiving terminal 200 receives a certain time elapse notification transmitted from the broadcast station server 300 (step S716), subsequently, the BML browser unit 209 receives the program end notification received from the broadcast station server 300. The presence or absence is confirmed (step S717). If a program end notification has been received (step S717: YES), a program (service period) end notification screen is displayed on the display unit 203 (step S718), and this process ends. If no program end notification is received (step S717: NO), the process proceeds to step S719.

  Next, the BML browser unit 209 of the digital broadcast receiving terminal 200 confirms the user's viewing of the program (step S719). If the user is viewing the program (logged in) (step S719: YES), the process proceeds to step S707. At the same time, log-in confirmation information is sent to the service management unit of the broadcast station server 300, and the processing from step 808 onward is repeated. If the program is not being viewed (logged out) (step S719: NO), this process is terminated, and login confirmation information is not sent to the service management unit of the broadcast station server 300.

  Next, details of the friend application process executed in step S709 will be described with reference to the flowchart shown in FIG. In addition, the information of the friend displayed on the friend applicant list screen displayed in this friend application process is the information of the friend invited in the friend search / invitation process of FIG. 16 mentioned later.

  First, the BML browser unit 209 of the digital broadcast receiving terminal 200 displays a friend applicant list screen on the display unit 203 (step S901). Next, on the friend applicant list screen, it is confirmed whether or not the friend of the applicant to be applied has been individually selected (step S902). When the individual selection operation is performed (step S902: YES), the applicant information and the application message screen are displayed on the display unit 203 (step S903). On the application message screen, buttons for instructing permission / denial of friend registration are set for each friend.

  And the WEB browser part 204 confirms whether the friend registration permission button of the selected friend was operated in the application message screen (step S904). When the friend registration permission button is operated (step S904: YES), the notification operation of permission of the selected friend is transmitted to the broadcast station server 300 by the communication unit 206 (step S905), and the process returns to step S903. If the friend registration permission button of the selected friend is not operated (step S904: NO), it is confirmed whether or not the friend registration disapproval button is operated (step S906). When the friend registration disapproval button is operated (step S906: YES), the disapproval operation notification of the selected friend is transmitted to the broadcast station server 300 by the communication unit 206 (step S907), and the process returns to step S903. If the friend registration disapproval button is not operated (step S906: NO), the process returns to step S903.

  Next, the friend management unit 303 of the broadcast station server 300 confirms whether or not the permission operation notification transmitted from the digital broadcast receiving terminal 200 has been received (step S1001). When the permission operation notification is received (step S1001: YES), the selected friend is registered in the friend column of the corresponding person in the friend table 402 of FIG. 5 (step S1002). If the permission operation notification is not received (step S1001: NO), the presence / absence of the non-permission operation notification transmitted from the digital broadcast receiving terminal 200 is confirmed (step S1003). When the non-permission operation notification is received (step S1003: YES), the selected friend is deleted from the corresponding friend column in the friend table 402 of FIG. 5 (step S1004). On the other hand, when the non-permission operation notification is not received (step S1003: NO), the process returns to step S1001.

  And after processing the said step S1002 and step S1004, it transfers to step S1005 and confirms whether the remaining friend exists in the relevant person's friend column in the friend table 402 of FIG. When the friend exists (step S1005: YES), the friend application process is repeatedly executed. When the friend does not exist (step S1005: NO), the process returns to the service process of FIG.

  Next, details of the message reception process executed in step S714 will be described with reference to the flowchart shown in FIG.

  First, the BML browser unit 209 of the digital broadcast receiving terminal 200 displays a received message list screen on the display unit 203 (step S1101), and confirms a message selection operation (step S1102). When a message is selected (step S1102: YES), the selected message screen is displayed on the display unit 203 (step S1103). A reply button is displayed on this message screen.

  Then, the BML browser unit 209 confirms the presence / absence of a reply operation (step S1104). When the reply button is operated (step S1104: YES), a message reply form is displayed on the display unit 203 (step S1105). Next, it is confirmed whether or not the input of the reply message is completed in the message reply form (step S1106). When the input of the reply message is completed (step S1106: YES), the reply message is transmitted to the broadcast station server 300 by the communication unit 206 (step S1107). If the reply message input is not completed (step S1106: NO), the process returns to step S1105.

  In addition, when no message is selected (step S1102: NO), or when a reply operation is not performed (step S1104: NO), the BML browser unit 209 proceeds to step S1110 and has performed an end operation. Confirm whether or not. If the end operation has been performed (step S1110: YES), the process returns to the service process of FIG. 12, and if the end operation has not been performed (step S1110: NO), the process returns to step S1101.

  Therefore, the digital broadcast receiving terminal 200 can select a plurality of received messages as reply targets by repeatedly executing the above steps S1101 to S1104. Then, reply messages can be input to a plurality of selected received messages and transmitted to the broadcast station server 300.

  Next, the service management unit 304 of the broadcast station server 300 confirms whether or not a reply message transmitted from the digital broadcast receiving terminal 200 is received (step S1201). When the reply message is received (step S1201: YES), the communication unit 306 executes a transmission process for transmitting the reply message to the user (step S1202).

  Next, the service management unit 304 confirms the presence / absence of the remaining reply message (step S1203). If there is a remaining reply message (step S1203: YES), the process returns to step S1201. If there is no remaining reply message (step S1203: NO), a reply completion notice is transmitted to the digital broadcast receiving terminal 200 by the communication unit 306 (step S1204), and the process returns to the service process of FIG.

  Next, the BML browser unit 209 of the digital broadcast receiving terminal 200 confirms whether or not a reply completion notification transmitted from the broadcast station server 300 has been received (step S1108). When a reply completion notification is received (step S1108: YES), a reply completion screen is displayed on the display unit 203 (step S1109), and the process returns to the service process of FIG. If the reply completion notification is not received (step S1108: NO), this process is repeatedly executed.

  In the message reception process, the history of message transmission / reception may be stored in the broadcast station server 300.

  Next, details of the message transmission process executed in step S715 will be described with reference to the flowchart shown in FIG.

  First, the BML browser unit 209 of the digital broadcast receiving terminal 200 checks whether or not a logged-in friend is selected on the logged-in friend list screen in step S713 (step S1301). If the selection operation of the login friend is performed (step S1301: YES), a message transmission form is displayed on the display unit 203 (step S1302). In addition, when the selection operation of the logged-in friend is not performed (step S1301: NO), this process is repeatedly executed.

  Next, the BML browser unit 209 confirms whether or not the input of the transmission message is completed in the message transmission form (step S1303). When the input of the transmission message is completed (step S1303: YES), the transmission message is transmitted to the broadcast station server 300 by the communication unit 206 (step S1304). If the input of the transmission message is not completed (step S1303: NO), the process returns to step S1302.

  Next, the service management unit 304 of the broadcast station server 300 confirms whether or not a transmission message transmitted from the digital broadcast receiving terminal 200 has been received (step S1401). When the transmission message is received (step S1401: YES), the communication unit 306 executes transmission processing for transmitting the transmission message to the user (step S1402). Next, the service management unit 304 transmits a transmission completion notification to the digital broadcast receiving terminal 200 via the communication unit 306 (step S1403), and returns to the service process of FIG.

  Next, the WEB browser unit 204 of the digital broadcast receiving terminal 200 confirms whether or not a transmission completion notification received from the broadcast station server 300 has been received (step S1305). If a transmission completion notification is received (step S1305: YES), a transmission completion screen is displayed on the display unit 203 (step S1306), and the process returns to the service process of FIG. When the transmission completion notification is not received (step S1305: NO), this process is repeatedly executed.

  In the message transmission process, a message to be displayed on the BML screen is transmitted to a logged-in friend. However, a message using an e-mail may be transmitted to a logged-out friend.

  Next, details of the friend search / invite process executed in step S715 will be described with reference to the flowchart shown in FIG.

  First, the BML browser unit 209 of the digital broadcast receiving terminal 200 confirms whether or not a friend search / invite link operation is performed on the logged-in friend list screen in step S713 (step S1501). When a friend search / invite link operation is performed (step S1501: YES), a friend search / invite screen is displayed on the display unit 203 (step S1502). If the friend search / invite link operation is not performed (step S1501: NO), this process is repeatedly executed.

  Next, the BML browser unit 209 confirms whether or not a friend search link operation is performed on the friend search / invite screen (step S1503). If the friend search link operation is not performed (step S1503: NO), the presence / absence of an invitation mail transmission operation is confirmed (step S1504). When the invitation mail transmission operation is not performed (step S1504: NO), the process returns to step S1503. If an invitation email transmission operation is performed (step S1504: YES), the mailer of the email unit 205 is activated (step S1505).

  Next, when the mailer is activated, the e-mail unit 205 displays an invitation e-mail screen displaying the e-mail address dedicated to the inviter in the text (step S1506), and confirms whether or not an invitation e-mail is transmitted (step S1506) S1507). When the invitation mail transmission operation is not performed (step S1507: NO), the process returns to step S1506. If an invitation mail transmission operation is performed (step S1507: YES), the invitation mail is transmitted (step S1508), and the process proceeds to the invited user WEB registration process of FIG. Here, by using a method in which the invitee replies to the e-mail address dedicated to the invitee, the invitee and the invitee are linked and managed, and the correct e-mail address of the invitee is acquired (FIG. 11). Invite user WEB registration process), it is possible to send an invitation mail using the address book held by the inviter at the mailer of the digital broadcast receiving terminal.

  Next, when the friend search link operation is performed in step S1503 (step S1503: YES), the BML browser unit 209 of the digital broadcast receiving terminal 200 displays the friend search form on the display unit 203 (step S1509). . In the friend search form, a friend's e-mail address, nickname, residence area, and the like are input as search keywords. Next, the BML browser unit 209 checks whether or not the input of the search condition is completed in the friend search form (step S1510). If the input of the search condition is not completed (step S1510: NO), the process returns to step S1509. If the input of the search condition is completed (step S1510: YES), the search condition including the mail address is determined (step S1511), and the search condition is transmitted to the broadcast station server 300 by the communication unit 206.

  Next, when receiving the search condition transmitted from the digital broadcast receiving terminal 200, the friend management unit 303 of the broadcast station server 300 searches whether a mail address is set in the search condition (step S1601). If the e-mail address is not set (step S1601: NO), the user DB 401 in FIG. 4 is referred to by other search conditions (nickname, residential area, etc.) to search for the corresponding friend (step S1602). The result is transmitted to the digital broadcast receiving terminal 200 by the communication unit 306.

  In addition, when an e-mail address is set in the search condition (step S1601: YES), the friend management unit 303 refers to the user DB 401 of FIG. 4 using the e-mail address (step S1603), and determines whether or not the corresponding address exists. Confirmation is made (step S1604). If there is no corresponding address (step S1604: NO), an invitation guidance screen display instruction is transmitted to the digital broadcast receiving terminal 200 through the communication unit 306 (step S1605), and the process returns to the service process of FIG. If there is a corresponding address (step S1604: YES), the search result is transmitted to the digital broadcast receiving terminal 200 by the communication unit 306.

  Next, the BML browser unit 209 of the digital broadcast receiving terminal 200 receives the search result transmitted from the broadcasting station server 300 with respect to the search condition determined in step S1511 and confirms the presence or absence of the corresponding address based on the search result. (Step S1512). If there is no corresponding address (step S1512: NO), an invitation guidance screen is displayed on the display unit 203 in response to an invitation guidance screen display instruction transmitted from the broadcast station server 300 (step S1513). In this invitation guide screen, an invitation button is set.

  Then, the BML browser unit 209 confirms whether or not there is an invitation button operation (step S1514). When the invitation button is operated (step S1514: YES), an invitation mail transmission instruction is transmitted to the broadcast station server 300 by the communication unit 206 (step S1515), and the process returns to the service process of FIG. If the invitation button is not operated (step S1514: NO), the process returns to the service process of FIG. In addition, when there is a corresponding address according to the search result (step S1512: YES), the BML browser unit 209 displays the search result on the display unit 203 (step S1516). Next, the BML browser unit 209 confirms whether or not the friend application partner is selected on the search result screen (step S1517). When the friend application partner selection operation is performed (step S1517: YES), information on the selected friend application partner is transmitted to the broadcast station server 300 by the communication unit 206. If the friend application partner selection operation is not performed (step S1517: NO), the process returns to step S1516.

  Next, the friend management unit 303 of the broadcast station server 300 sets the current number of friends of the friend application partner selected at the digital broadcast receiving terminal 200 as the “maximum number of friends” set in the service management DB 404 of FIG. It is confirmed whether or not (step S1606). When the number of friend applications exceeds the maximum number of friends (step S1606: YES), a friend application impossible guidance screen display instruction is transmitted to the digital broadcast receiving terminal 200 by the communication unit 306 (step S1607). If the number of friend applications does not exceed the maximum number of friends (step S1606: NO), a friend registration application message form display instruction is transmitted to the digital broadcast receiving terminal 200 by the communication unit 306 (step S1608).

  Next, the BML browser unit 209 of the digital broadcast receiving terminal 200 receives the instruction transmitted from the broadcast station server 300, and confirms whether the instruction can be applied for a friend or not (step S1518). If the friend application is possible (step S1518: YES), the friend registration application message form is displayed on the display unit 203 (step S1519). If the friend application is not possible (step S1518: NO), the friend application impossible guidance screen is displayed on the display unit 203 (step S1520), and the process returns to the service process of FIG.

  Next, the BML browser unit 209 confirms completion of input of the friend application message in the friend registration application message form (step S1521). When the input of the friend application message is completed (step S1521: YES), the friend application message is transmitted to the broadcast station server 300 by the communication unit 206. When the input of the friend application message is not completed (step S1521: NO), the process returns to step S1519.

  Next, the friend management unit 303 of the broadcast station server 300 transmits the friend application message received from the digital broadcast receiving terminal 200 to the friend application partner (step S1609), and transmits a transmission completion notification to the digital broadcast receiving terminal 200 by the communication unit 306. Then, the process returns to the service process of FIG.

  Next, when receiving the transmission completion notification transmitted from the broadcast station server 300, the BML browser unit 209 of the digital broadcast receiving terminal 200 displays a transmission completion screen on the display unit 203 (step S1522), and the service process of FIG. Return to.

  In the friend search / invite process, the friend application message to be displayed in the BML screen is transmitted to the friend application partner. However, the friend application may be transmitted by e-mail.

  Next, details of the friend registration cancellation process executed in step S716 will be described with reference to the flowchart shown in FIG.

  First, the BML browser unit 209 of the digital broadcast receiving terminal 200 confirms whether or not a friend registration cancellation link operation is performed on the logged-in friend list screen in step S713 (step S1701). When the friend registration cancellation link is operated (step S1701: YES), the all friend list screen is displayed on the display unit 203 (step S1702). If the friend registration cancellation link is not operated (step S1701: NO), this process is repeatedly executed. In addition, in the all friend list screen, the selection operation of the friend to cancel registration is possible.

  Next, the BML browser unit 209 confirms whether or not the friend selection operation for deregistration is performed on the all friend list screen (step S1703). When a friend selection operation for canceling registration is performed (step S1703: YES), a registration cancellation confirmation screen is displayed on the display unit 203 (step S1704). If the friend selection operation for canceling registration is not performed (step S1703: NO), the process returns to step S1702.

  Next, the BML browser unit 209 confirms the presence / absence of a confirmation OK operation on the registration cancellation confirmation screen (step S1705). When the confirmation OK operation is performed (step S1705: YES), a registration cancellation friend confirmation OK instruction is transmitted to the broadcast station server 300 by the communication unit 206.

  Next, the friend management unit 303 of the broadcast station server 300 confirms whether or not the registration cancellation friend confirmation OK instruction transmitted from the digital broadcast receiving terminal 200 has been received (step S1801). When the registration cancellation friend confirmation OK instruction is received (step S1801: YES), the corresponding friend is deleted from the record of the user of the friend table 402 and the friend registration cancellation partner in FIG. 5 (step S1802). If the registration cancellation friend confirmation OK instruction is not received (step S1801: NO), this process is repeatedly executed. Next, the friend management unit 303 transmits a deletion completion notification to the digital broadcast receiving terminal 200 via the communication unit 306 (step S1803), and returns to the service process of FIG.

  Next, when receiving the deletion completion notification transmitted from the broadcast station server 300 (step S1706), the BML browser unit 209 of the digital broadcast receiving terminal 200 displays a friend registration cancellation completion screen on the display unit 203 (step S1707). Returning to the service processing of FIG.

  As described above, according to the digital broadcasting system of the present embodiment, as a means for viewing and registering program content, for example, a user DB (viewing table) is provided for each program ID, and the initial user who has registered for viewing (the first user) User) invites friends, etc. (second user), and this friend registers viewing and registration in the user DB, so that the initial user is invited by referring to the user DB at the time of program content distribution (broadcasting) It is determined whether or not the friend who is watching the program content is watching, and if the friend is watching, the point is given to the initial user. Similarly, points are given to friends for what the initial user is viewing. Also, points are given to the users for the viewing of friends added by each user in step S715 and the like. Thereby, the program viewing of friends and family can be guided, and the viewing rate of the program can be increased.

  Note that the digital broadcasting system of the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention.

  The present invention makes it possible to increase the audience rating of a program by guiding viewing of program content to which a specific program ID is given, and to improve the viewing rate of the program, and digital data broadcasting based on the BML standard including one-segment broadcasting Available to:

1 is a block diagram showing an overall configuration of a digital broadcast system according to an embodiment of the present invention. It is a block diagram which shows the structure of the digital broadcast receiving terminal which concerns on this Embodiment. It is a block diagram which shows the structure of the broadcast station server which concerns on this Embodiment. It is a figure which shows an example of the user database which concerns on this Embodiment. It is a figure which shows an example of the friend table which concerns on this Embodiment. It is a figure which shows an example of the friend list table during login which concerns on this Embodiment. It is a figure which shows an example of the service management database which concerns on this Embodiment. It is a figure which shows an example of the program management database which concerns on this Embodiment. It is a flowchart which shows the NVRAM registration process performed between the digital broadcast receiving terminal and broadcast station server which concern on this Embodiment. It is a flowchart which shows the main registration process performed between the digital broadcast receiving terminal and broadcast station server which concern on this Embodiment. It is a flowchart which shows the invited user WEB registration process performed between the digital broadcast receiving terminal and broadcast station server which concern on this Embodiment. It is a flowchart which shows the service process performed between the digital broadcast receiving terminal and broadcast station server which concern on this Embodiment. It is a flowchart which shows the friend application process performed between the digital broadcast receiving terminal and broadcast station server which concern on this Embodiment. It is a flowchart which shows the message reception process performed between the digital broadcast receiving terminal and broadcast station server which concern on this Embodiment. It is a flowchart which shows the message transmission process performed between the digital broadcast receiving terminal and broadcast station server which concern on this Embodiment. It is a flowchart which shows the friend search and invitation process performed between the digital broadcast receiving terminal and broadcast station server which concern on this Embodiment. It is a flowchart which shows the friend registration cancellation | release process performed between the digital broadcast receiving terminal and broadcast station server which concern on this Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Digital broadcast system 100 Television station 200 Digital broadcast receiving terminal 201,301 Control part 202 Input part 203 Display part 204 WEB browser part 205,305 E-mail part 206,306 Communication part 207 Digital broadcast reception part 208 Digital broadcast control part 208a Audio playback unit 208b NVRAM
209 BML browser unit 210, 308 Storage unit 300 Broadcast station server 302 User management unit 303 Friend management unit 304 Service management unit 307 User DB
N1, N2 Internet

Claims (4)

A digital broadcast transmission device that transmits program content as a digital broadcast, a broadcast station server that transmits the program content via a network, and a terminal device that receives and reproduces the program content from the digital broadcast transmission device and the broadcast station server, respectively. In a digital broadcasting system consisting of
The broadcasting station server
A viewing registration means for viewing and registering predetermined program content by a first user;
Invitation means for sending an e-mail for inviting viewing of the program content to a second user;
A second user receiving the e-mail, a user registration unit for registering his / her user ID in the viewing registration unit;
Viewing to determine whether or not the second user invited by the e-mail is viewing the program content with reference to the viewing registration means during the transmission time of the program content from the digital broadcast transmission device A determination means;
Point grant means for granting points to the first user registered in the user database by the number of second users who are viewing the program content. .   The point granting means also applies to the second user registered in the user database when the invited second user is judged to be viewing the program content by the viewing judging means. The digital broadcasting system according to claim 1, wherein points are given. A friend table for associating at least a user who has registered for viewing for each program content in advance and a plurality of users invited by e-mail,
The viewing determination means determines whether or not a user registered in the friend table is viewing the program content with reference to the friend table when transmitting the program content,
The point granting means points on the user database when the user registered in the friend table is judged to be viewing the program content by the viewing judging means. The digital broadcasting system according to claim 1, wherein: A digital broadcast transmission device that transmits program content as a digital broadcast, a broadcast station server that transmits the program content via a network, and a terminal device that receives and reproduces the program content from the digital broadcast transmission device and the broadcast station server, respectively. A digital broadcast viewing guidance method in a digital broadcast system comprising:
A first user viewing and registering predetermined program content in the viewing registration means;
Sending an email inviting viewing of the program content to a second user;
The second user receiving the e-mail registers his user ID in the viewing registration means;
Determining whether or not the second user invited by the e-mail is viewing the program content with reference to the viewing registration means during the transmission time of the program content from the digital broadcast transmission device When,
And providing points to the first user registered in the user database by the number of second users who are viewing the program content.

Images