TWI399993B - System for providing information services based on digital broadcast networks - Google Patents

Description

Information service system based on digital broadcasting

The invention relates to an information service system based on digital broadcasting.

Digital Audio Broadcasting (Digital Audio Broadcasting) is the third generation of broadcasting after AM and FM traditional analog broadcasting. Digital audio broadcasting has the advantages of anti-noise, anti-interference, anti-wave propagation fading, suitable for high-speed mobile reception, etc. CD-quality sound, with additional data service capabilities to transmit any text or even image signals. Digital Multimedia Broadcasting is a future-oriented next-generation broadcasting system based on digital audio broadcasting. The additional data service functions of these broadcast systems are being used by more and more businesses and providing information services to users through additional data service functions.

Since various digital broadcasting systems can only broadcast information to digital broadcast users in one direction, and can not enable two-way communication between information service broadcasters (operators) and users, this affects the broadcasting system to carry out value-added services; although some mobile-based terminals are sold in the market. The digital broadcast receiving electronic device is used by the user to subscribe the information to the operator via the wireless network and to pay the fee, and then the broadcast system broadcasts the subscribed information to the user. However, this method of subscribing to information needs to rely on electronic devices containing wireless communication modules, and the cost of wireless communication is relatively high; and the decrypted service information may be copied and circulated multiple times, affecting the operator to carry out the broadcasting system. The enthusiasm of information value-added services is not conducive to the development of digital broadcasting.

In view of this, it is necessary to provide an information service system based on digital broadcasting to prevent the decrypted service information from being copied and circulated multiple times.

An information service system based on digital broadcasting, comprising an information publishing device, a digital broadcasting system, a terminal device, and a payment/billing and key issuing device. The information distribution device is configured to modulate, encrypt, and broadcast various information through a broadcast signal by the digital broadcasting system. The terminal device is configured to receive and convert the broadcast signal and perform output display. The terminal device includes: a storage unit, configured to store a device number of the terminal device; a communication interface, configured to establish a communication link between the terminal device and the computer terminal; and a detecting unit, configured to detect whether the terminal device has passed the communication The interface establishes a communication connection with the computer terminal, and if so, generates a connection signal; the device number acquisition unit acquires the device number according to the connection signal, and transmits the device number to the payment/accounting and key issuing device through the computer terminal The payment/accounting and key issuing device delivers a key to the computer terminal via the network according to the device number.

Compared with the prior art, the device number of the terminal device is transmitted to the operator by means of the computer terminal, and the key issuing device located at the operator side generates a key for decrypting the service information according to the device number, the key and the terminal The devices are in one-to-one correspondence, thereby preventing the decrypted service information from being copied and circulated multiple times.

The invention will be further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1, the digital broadcast based information service system 5 includes an information distribution apparatus 10, a digital broadcast system 12, a computer terminal 15, a terminal device 20, and a payment/billing and key issuing apparatus 30. The information distribution apparatus 10 is for converting and encrypting various service information, and then broadcasting the digital broadcast signal through the digital broadcasting system 12. The terminal device 20 receives the digital broadcast signal and converts the digital broadcast signal into display data for output display. The terminal device 20 is one of an e-book reader, a mobile phone, and a personal digital assistant.

The information distribution apparatus 10 and the payment/billing and key issuing apparatus 30 are located on the operator side; the computer terminal 15 and the terminal apparatus 20 are located on the user side. The computer terminal 15 communicates with the payment/billing and key issuing device 30 on the operator side via the network.

Referring to FIG. 2, the terminal device 20 includes a detecting unit 210, a communication interface 220, a device number acquiring unit 230, and a storage unit 240.

The detecting unit 210 is configured to detect whether the terminal device 20 has established a communication connection with the computer terminal 15 through the communication interface 220, and if so, generates a connection signal. In this embodiment, the communication interface 220 of the terminal device 20 is a USB interface. When the USB interface is plugged into the computer terminal 15, the detection unit 210 generates a connection signal and transmits the connection signal to the device number acquisition unit 230. In other embodiments, the communication interface 220 of the terminal device 20 can also adopt any one of a Bluetooth interface and an infrared interface.

The device number acquisition unit 230 acquires the device number of the terminal device 20 based on the connection signal generated by the detection unit 210, and transmits the device number to the payment/accounting and key issuing device 30 via the computer terminal 15. In the present embodiment, the device number is automatically transmitted to the payment/accounting and key issuing device 30 via the computer terminal 15 that has accessed the Internet, and the payment/accounting and key issuing device 30 is operated. A web server dedicated to managing payment information and keys.

The storage unit 240 is configured to store the device number of the terminal device 20. In this embodiment, the device number is stored in the storage unit 240 in a binary form by a combination of digits and letters, wherein the device number can be preset by the manufacturer or the manufacturer for the device number of each terminal device 20. In unit 240.

The payment/accounting and key issuing device 30 is configured to receive the device number of the terminal device 20, and transmit a key based on the device number to the terminal device 20, which includes a service menu output/recording module 310, and a payment/accounting module. The group 320, the key management module 330 and the service menu classification and statistics module 340.

The service menu output/recording module 310 transmits the service menu to the computer terminal 15 corresponding to the device number for selection by the user. The service menu is a menu list in which various social service information is collated and classified by an operator, for example, a classified list of electronic books. The service menu output/recording module 310 transmits the list of function tables to each computer terminal via the network and forms a service menu that can be selectively activated. In the present embodiment, when the service menu output/recording module 310 receives the device number transmitted by the computer terminal 15, the service menu output/recording module 310 automatically transmits the service menu to the computer terminal 15 via the Internet and outputs the display. . After the user selects the service menu by operating the computer terminal 15, the computer terminal 15 records the service menu selected by the user, and transmits the selected service menu to the service menu output/recording module 310 via the network.

The payment/billing module 320 filters out the charging menu from the selected service menu, counts the fee required for the charging menu, and generates a key generation instruction after deducting the required fee from the user-specified account. The user-specified account is the bank account number provided when the user applies for service information to the operator. In this embodiment, the payment/billing module 320 filters out the service menu that needs to be charged from the selected service menu, and then adds all the service menu fees selected by the user to obtain the total cost, and specifies from the user. The total amount of the fee is deducted from the bank account number.

After receiving the key generation instruction, the key management module 330 generates a key according to the device number, and transmits the key to the terminal device 20 through the Internet or the computer terminal 15. In this embodiment, when the key management module 330 receives the device number, it checks whether the service menu selected by the user has been paid based on the device number, and if the fee has been paid, generates a key uniquely corresponding to the device number. It is transmitted to its corresponding computer terminal 15, and then the key is automatically transmitted by the computer terminal 15 to the terminal device 20. In other embodiments, the key transmitted by the key management module 330 can be directly displayed on the computer terminal 15, and the user manually inputs the key into the terminal device 20.

The service menu classification statistics module 340 is used to classify and count the categories and quantities of service menus selected. The categories of the service menus are divided into major categories such as finance, technology, entertainment, music, automobiles, books, etc. Large categories can also be subdivided. For example, books can be divided into small categories such as history, law, and novels. In this embodiment, for example, after a user subscribes to the function table of the book category multiple times, the service menu classification and statistics module 340 classifies and selects the book function table selected by the user according to the history, the law, the novel, and the like. The number of classes subscribed to, if the number of classes subscribed by the user exceeds a predetermined value, it is judged as the category preferred by the user, thereby periodically providing the user with the menu list of his or her favorite. In other embodiments, the key management module 330 can also set to enjoy some free service menus or discount service menus according to the total number of service menus subscribed by each user.

The information distribution apparatus 10 records the category and quantity of the service menu selected by the user according to the payment/accounting and key distribution apparatus 30, and includes a service menu table generation module 101, a service menu arrangement module 102, and an information modulation module. The group 103, the information encryption module 104 and the information storage module 105.

The service menu table generation module 101 generates a service menu table according to the type and number of the selected service menus. In the present embodiment, when the service menu classification and statistics module 340 statistically finds that a user likes to be a novel book, the service menu table generation module 101 collects novel book information from the operator's information database and generates a book service menu. The table, after modulating the service menu table, periodically broadcasts the book service menu table to the user via the digital broadcast system 12.

The service menu scheduling module 102 allocates the service information broadcast time corresponding to the service menu for the service menu selected by the user, generates a service menu scheduling table, and transmits the service menu to the digital broadcast system 12, and the digital broadcast system 12 according to the service menu. The service information broadcast time in the schedule is periodically broadcast to the user. In this embodiment, the service menu output/recording module 310 transmits the service menu selected by the user to the service menu scheduling module 102, and then the service menu scheduling module 102 collects all users according to a certain period of time. The number of service menus selected to determine the broadcast time of the service menu.

The various information information in the information library is modulated into a digital broadcast signal by the information modulation module 103. The digital broadcast signals carrying the service information are encrypted by the information encryption module 104 and form a service information signal, and then stored in the information storage module 105. . The digital broadcast system 12 schedules and schedules service information signals in the broadcast information storage module 105 in accordance with the schedule. The service menu table generating module 101 collects various information from the operator's information database and generates a service menu table, which is also modulated into a digital broadcast signal by the information modulation module 103 and transmitted to the information storage module 105.

The terminal device 20 further includes a receiving module 201, a decoding module 202, a filtering module 203, a decrypting module 204, a display module 205, an input module 206, and a configuration information modifying module 207. The terminal device 20 sequentially decodes, filters, and decrypts the received digital broadcast signals, and then outputs and displays the digital broadcast signals.

The receiving module 201 is configured to receive the digital broadcast signal of the digital broadcast system 12; the decoding module 202 decodes the digital broadcast signal and outputs the digital broadcast signal to the filter module 203 or to the display module 205. If the decoded digital broadcast signal is the service menu table generated by the service menu table generating module 101, it is directly output to the display module 205. If the decoded digital broadcast signal is the service information digital broadcast signal corresponding to the service menu selected by the user, it is output to the filtering module 203, and the filtering information is filtered by the filtering module 203, and decrypted by the decryption module 204, and then The decrypted service information digital broadcast signal is transmitted to the display module 205.

The configuration information modification module 207 responds to the user's operation to set information filtering rules and modify key configuration information. For example, after the user inputs a setting command through the input module 206, the configuration information modification module 207 sets the information filtering rule to filter the advertisement information, the electronic leaflet or the redundant information. In this embodiment, the key generated by the key management module 330 is automatically modified in the configuration information modification module 207 through the communication interface 220 of the computer terminal 15 and the terminal device 20, so that the decryption module 204 is based on the modified key. To decrypt the signal that the terminal device 20 has received. In other embodiments, the key transmitted by the key management module 330 can be directly displayed on the computer terminal 15, and the user inputs the key into the configuration information modification module 207 through the input module 206.

Through the digital broadcast-based information service system 5 described above, the user connects the terminal device 20 to the computer terminal 15 that has accessed the network, and issues the payment/billing and key distribution to the operator side through the computer terminal 15. The device 30 transmits the device number of the terminal device 20, and at the same time, the user can subscribe to the service menu and pay the relevant service menu fee, and then the payment/accounting and key issuing device 30 generates a key according to the device number and passes through the Internet. The network and computer terminal 15 are transmitted to the terminal device 20. The terminal device 20 can decrypt the digital broadcast signal based on the key, and the key is corresponding to the device number of the terminal device 20, thereby preventing the decrypted service information from being copied and circulated multiple times.

It should be understood by those skilled in the art that the above embodiments are only intended to illustrate the invention, and are not intended to limit the invention, as long as it is within the spirit of the invention. Changes and modifications are intended to fall within the scope of the invention.

5‧‧‧Information Service System

10‧‧‧Information release device

12‧‧‧Digital broadcasting system

15‧‧‧Computer terminal

20‧‧‧ Terminal equipment

30‧‧‧payment/billing and key issuing device

101‧‧‧Service menu table generation module

102‧‧‧Service Menu Arrangement Module

103‧‧‧Information Modulation Module

104‧‧‧Information Encryption Module

105‧‧‧Information Storage Module

201‧‧‧ receiving module

202‧‧‧Decoding module

203‧‧‧Filter module

204‧‧‧Decryption Module

205‧‧‧ display module

206‧‧‧Input module

207‧‧‧Configure information modification module

210‧‧‧Detection unit

220‧‧‧Communication interface

230‧‧‧Device number acquisition unit

240‧‧‧ storage unit

310‧‧‧Service Menu Output/Record Module

320‧‧‧ payment/billing module

330‧‧‧Key Management Module

340‧‧‧Service Menu Classification and Statistics Module

FIG. 1 is a schematic diagram of an information service system based on digital broadcasting according to an embodiment of the present invention.

2 is a block diagram of the digital broadcast based information service system shown in FIG. 1.

5‧‧‧Information Service System

10‧‧‧Information release device

12‧‧‧Digital broadcasting system

15‧‧‧Computer terminal

20‧‧‧ Terminal equipment

30‧‧‧payment/billing and key issuing device

101‧‧‧Service menu table generation module

102‧‧‧Service Menu Arrangement Module

103‧‧‧Information Modulation Module

104‧‧‧Information Encryption Module

105‧‧‧Information Storage Module

201‧‧‧ receiving module

202‧‧‧Decoding module

203‧‧‧Filter module

204‧‧‧Decryption Module

205‧‧‧ display module

206‧‧‧Input module

207‧‧‧Configure information modification module

210‧‧‧Detection unit

220‧‧‧Communication interface

230‧‧‧Device number acquisition unit

240‧‧‧ storage unit

310‧‧‧Service Menu Output/Record Module

320‧‧‧ payment/billing module

330‧‧‧Key Management Module

340‧‧‧Service Menu Classification and Statistics Module

Claims (10)

An information service system based on digital broadcasting, comprising an information publishing device, a digital broadcasting system, a terminal device, and a payment/billing and key issuing device; wherein the information distributing device is configured to modulate, encrypt, and pass various digital information The broadcast system performs broadcast; the terminal device is configured to receive and decode a broadcast signal and perform output display; and the improvement is that the terminal device includes:
a storage unit, configured to store a device number of the terminal device;
a communication interface, configured to establish a communication link between the terminal device and the computer terminal;
a detecting unit, configured to: determine whether the terminal device has established a communication connection with the computer terminal through the communication interface, and if yes, generate a connection signal;
a device number obtaining unit, which acquires a device number according to the connection signal and transmits the device number to the payment/accounting and key issuing device through a computer terminal; and a payment/accounting and key issuing device according to the The device number generates a key and transmits the key to the computer terminal corresponding to the device number. The information service system of claim 1, wherein the payment/accounting and key issuing device comprises:
The function table output/recording module is configured to transmit the service terminal to the computer terminal corresponding to the device number for the user to select;
The payment/accounting module generates a key generation instruction after deducting the required fee from the user-specified account according to filtering the charging menu from the selected service menu, and generating a key generation instruction; and a key management module After receiving the key generation instruction, the group generates a key according to the device number. The information service system of claim 2, wherein the payment/accounting and key issuing device further comprises a service menu classification and statistics module, configured to classify and count the type and quantity of the selected service menu. The information service system of claim 3, wherein the information distribution device comprises:
The service menu table generating module generates a service menu table according to the type and quantity of the selected service menu; and the service menu scheduling module, which allocates the broadcast time of the service information corresponding to the service menu for the service menu selected by the user, and generates The service menu schedules the table and transmits it to the digital broadcast system. The information service system of claim 4, wherein the information distribution device further comprises an information modulation module, an information encryption module and an information storage module; and the various information information is modulated into a digital broadcast signal by the information modulation module. The digital broadcast signal carrying the service information is encrypted by the information encryption module and forms a service information signal, which is then stored in the information storage module. The digital broadcast system broadcasts the service information signal based on the service menu allocation table. The information service system of claim 1, wherein the communication interface is any one of a USB interface, a Bluetooth interface, and an infrared interface. The information service system of claim 4, wherein the terminal device further comprises an input module and a configuration information modification module; and the input module is configured to respond to the user operation to set the configuration information modification module. Information filtering rules or modify key configuration information. The information service system of claim 4, wherein the terminal device further includes a configuration information modification module, and the key is automatically updated in the configuration information modification module by using a communication interface. The information service system of claim 7 or 8, wherein the terminal device further comprises a receiving module, a decoding module, a filtering module, a display module and a decryption module; and the receiving module receives the user The service information digital broadcast signal corresponding to the selected service menu is filtered by the filtering module, and decrypted by the decryption module, and then the decrypted service information digital broadcast signal is transmitted to the display module. The information service system of claim 9, wherein the digital broadcast signal received by the receiving module is a service menu table, and is decoded and directly output to the display module.