TWI242117B - Portable data bank applied in digital TV service system - Google Patents

Abstract

A portable data bank includes: a plug-and-play interface, a digital key and a recording unit, wherein the plug-and-play interface is connected to a terminal device, the digital key serves to register into a TV service system through the terminal device so as to access the broadcasting service, and the recording unit serves to store the relevant broadcasting information to be viewed by the user to allow easy inquiry.

Description

1242117

V. Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to a disc used in a digital television service system, particularly a portable disc with a digital key for digital television service = identity of a user. Force / Ding, General Knowledge [Previous Technology] With the trend of digitalization of broadcasting and television, digital television networks and telecommunications networks have gradually evolved towards heterogeneous integration to provide an environment for interactive media services. Therefore, with the assistance of the telecommunication network, the digital TV service has not only been limited to the living room at home, it can also be used for trains, MRTs, "on the bus" and will also be compatible with the laptop's "J (Portable)" information. Integration with entertainment to provide more convenient services. In order to build this multimedia interactive service environment. The European regulatory organization dvb has defined a multimedia service platform, called the Multimedia Home Platform (MHP), to provide many services such as interactive TV, TV business, video on demand, Internet TV, and multimedia information. Because MHP is a standardized and interoperable interactive system, it has won the support and promotion of DVB organizations and major manufacturers in various countries. Second: It is synonymous with interactive television. Please refer to the schematic diagram of the 'System-Typical Digital Television Service System' shown in the figure. Multiple system operator (Multlple to ㈣〇pefatQF > MSO) 12. Digital can be transmitted through coaxial cable (Cable)

1242117 V. Description of the invention (2) Set-top box 140 on the client side for viewing by users at home. At the same time, video can also be sent to the set-top box 140 through digital broadcasting stations 丨 50, or mobile users 180 such as personal digital assistants (p D a) and notebook computers. In addition, digital broadcasting stations can also send video to mobile users through ground broadcasting, 160 or satellite 170 communications. On the other hand, through the assistance of a communication network (not shown), the base station can also be used to transmit video. Therefore, the digital television service system can provide a far wider service environment than the traditional electric service system. In the traditional television service system, users watch programs at home. Therefore, service providers can easily record the viewing content of users. However, through the extensive service range of digital television service systems. The users of Wai ’are not limited to watching programs at home, but may receive information in their environment, such as on trains, MRTs, or even outdoors. Therefore, if the service provider cannot identify the user's identity, it will not be able to accurately record the user's viewing, which will cause troubles in billing and even errors in positive billing. In addition, most of the traditional TV service systems are charged on a monthly basis, that is, the program signal is provided to the user's home without interruption, and it is said that they pay a fixed monthly viewing fee. However, due to the fact that the video service system provides the possibility for the user to interact with the server, Guang Ri'er said that ‘users can choose the video content they need. ▲, 疋 prisoner] J: dagger, two 々 fee is a more reasonable billing method. But at the same time, in order to perform ^ ^, service providers must also correctly identify users. Ordering film_entry payment ’爰 Yes, as far as the digital TV service system is concerned, how do you confirm

1242117 V. Description of the invention (3) The identity of the user and the correct recording of the content of his or her viewing, especially in the event of billing, have become a very important issue. SUMMARY OF THE INVENTION The main purpose of the present invention is to provide a flash drive that takes advantage of multiplexing: enabling users to log in to a plug-and-play TV service system under different service environments to obtain video. The digital pen drive mentioned in the present invention includes a plug-and-play digital key and a recording unit, in which the plug-and-play interface is connected to a terminal device, and the digital key is accessed through the terminal device. Connect the service system to get the viewing service. The viewing and viewing system of the user is stored in this record unit for the benefit of the user 杳 1, and the advantages and spirit of the present invention can be further understood by issuing ^^ and the attached drawings. [Embodiment] Please refer to the second figure, which is a schematic diagram of a preferred embodiment of the flash drive 2000 of the present invention. As shown in the figure, the flash drive 200 of the present invention includes: ′, namely, an interface 220, a digital key 240, and a recording unit 260. The plug-and-play interface 2 2 0 is used to connect to the ~ terminal device 3 0 0, and the final device 3 0 can be a set-top box, a notebook computer, or a pDA. In addition, in order to achieve the purpose of plug and play, in a preferred embodiment, this

1242117 V. Description of the invention (4) K plug-and-play interface 22 0 can be a universal serial port (Universl Serial Bus, USB) interface. Through the connection of the above interface 2 2 0 ', the number 4 2 4 0 which is located in the portable disk 2 2 0 can be read by the terminal device 3 0 0. Then, the user can log in to the television service system through the terminal device 300 to obtain the viewing service. In addition, in order to prevent the digital key 2 40 from being arbitrarily changed, the user cannot log in to the service system. In a preferred embodiment, the digital key 240 is programmed into a read only memory (ROM) to prevent the digital key 240 from being changed accidentally. At the same time, through the connection of the interface 2 2 0, viewing related information content, including the user's viewing records and accounts payable and other record content B 1 can also be downloaded by the service system through the terminal device 3 0 0 to the recording unit 2 6 0, to facilitate user query and review. It ’s worth noting that the record content B1 in this record unit 260 changes dynamically with the user ’s viewing. Therefore, for the / preferred embodiment, this record unit 260 is a readable and writable memory , Such as flash memory. In addition, since the aforementioned digital key 240 is only used to provide a user to log in to the service system to obtain a viewing service, its authority should be limited to the use authority and not the modification authority. Therefore, in a preferred embodiment, the digital key 240 possessed by the user is a public key (Public Key) to represent the identity of the user. At the same time, the user needs to enter another set of user passwords to log in to the service system and obtain authentication. Therefore, if a user wants to log in to the service system, he must have a digital key 240 and a user password 'and both are necessary. At the same time

Ϊ242117 V. Description of the invention (5) The digital key 2 4 0 has its specific number. When the service system finds that there are two identical digital keys 2 4 0, the same personal login information and password appear. Enable the work environment of the previous key user. In addition, this digital key 240 can also provide the ability to confidentially encode and decode the data in the flash drive 2000. In other words, if the other party does not have the original digital key, it can decode it, even if the data in the flash drive 2000 is stolen. Files, you will only see a bunch of garbled characters instead of document files. Therefore, it is possible to prevent the recorded content B 1 in the aforementioned recording unit 260 from being obtained by others.

In addition, in order to facilitate the user to view the record content B 1 of the record unit 260, the record content B 1 can be directly displayed on the television. In a preferred embodiment, as shown in the second figure, the flash drive 2000 also has a firmware (not shown). After inserting the flash drive 2 0 into the terminal device 3 0 (such as a set-top box), the firmware is executed immediately to read the content B1 of the record unit 2 6 0 and pass the content B 1 of the record through The plug-and-play interface 2 220 is transmitted to the terminal device 300, which is then presented by the TV. It can be seen that the recorded content B 1 in the recording unit 260 can be read and viewed without using an operating system of a computer, but can be directly displayed on a television. Therefore, the convenience of use can be improved, and, Can simplify the steps of use.

Please refer to FIGS. 28 to c, which are schematic diagrams showing a process of logging in the digital television service system after the user inserts the portable disk 2000 of the present invention into the terminal device 300. As shown in the figure, the digital television service system includes at least one terminal device 3000, a USB flash drive 200, and a server server 400. Among them, the terminal device 300 is connected to the server server 400 to obtain program data 'and transmits it to a television (not shown) for presentation. And the flash drive 2QQ

Page 9 1242117 V. Description of the invention (6) A digital recording key 2 4 0 is programmed in the system to define the identity of a specific client. As shown in Figure 3A, by inserting a USB flash drive 2 00 into the terminal device 3 00 ', this digital recording key 2 4 0 can be transmitted to the server server 4 00, in other words, the' server server 4 0 0 can The identity of the client is identified by the digital key 240. ^ There is only a digital key 2 4 0, and users still cannot log in to the TV service system. Therefore, as shown in the third figure B, the user must enter the user password c through an input interface 3200, and after confirming by the server server 400, he can log in to the television service system to obtain the program A. Limited by the size of the portable industry 2000, in a preferred embodiment, this input interface 3 2 0 can be a remote control of a set-top box, a keyboard of a notebook computer, a touch panel of pM, and the like. After logging in to the TV service system, as shown in Figure 30, the server server 400 downloads the updated content of the user ’s receiving records and collection of account cleaning soap, such as B2 to flash drive 2000, and , Users can also view these receiving records and bill collection lists directly from the TV.糸 # 由 ί Ί ί, the present invention uses a USB flash drive as a television service for the number of people. First, it has the following advantages: Because the USB flash drive is small in size and has the characteristics of plug and play, therefore, Even if you extend your dreams and use dreams in the outdoor environment, or use someone else, or a friend ’s set-top box in the water, you can log in to the digital service system to achieve a long distance :::::; 'Contribute to the digital TV service. Since the digital key 24Q is burned in the flash drive 2 0 0, users use

1242117 V. Description of the invention (7) After logging in to the digital TV service system, the server 4 0 of the service system can also confirm the identity of the user, and correctly record the user's viewing content and its account payable, which can effectively achieve The user's billing goals and prevent disputes between the server and the client. 3. There is also a recording unit 2 60 in the flash drive, which is dedicated to record the user's viewing related information. Therefore, users can view their viewing records and accounts payable at any time to avoid duplication of viewing programs and effectively control themselves. Viewing hours. The above is a detailed description of the present invention using preferred embodiments, rather than limiting the scope of the present invention, and those skilled in the art will understand that appropriate changes and adjustments will still be made without departing from the spirit of the present invention. Without departing from the spirit and scope of the invention.

Page 11 1242117 Brief description of the diagram Brief description of the diagram: The first diagram is a schematic diagram of a typical digital television service system. The second figure is a schematic diagram of a preferred embodiment of the flash drive of the present invention. The third pictures A to C are schematic diagrams of a user's use of the pen drive of the second picture to log in to the digital television service system. Figure number description:

Multi-system operator 1 2 0 Set-top box 1 4 0 Digital broadcasting station 1 5 0 Regional broadcasting station 1 6 0 Satellite 170 Mobile user 1 8 0 Flash drive 2 0 0 Plug and play interface 2 2 0 Digital spare key 2 4 0 Recording unit 2 6 0 Terminal device 3 0 0 Server server 4 0 0

Page 12

Claims (1)

1242117 /-、 Scope of patent application Patent scope of application1 · A USB flash drive, including: a plug-and-play interface to connect a set-top box; a digital key to log in to the TV system service terminal through the set-top box to obtain ratings Services; and a record unit that stores viewing-related information. 2. If the USB flash drive of the patent application includes t-body, after the body is executed, Machibin takes the content of the record unit and transmits it to the TV display system through the set-top box. 3. If the USB flash drive in item 1 of the patent application scope, the plug-and-play interface is a Universal Serial Bus (USB) interface. 4. If the USB flash drive in item 1 of the patent application scope further includes a Read Only Memory (ROM) for storing the digital key. 5. If the flash drive of item 1 of the patent application scope, the recording unit is a flash memory. 6 · If the USB flash drive in item 1 of the patent application scope, wherein the plug-and-play interface is a Universal Serial Bus (USB) interface 7 · If the USB flash drive in item 1 of the patent application scope, the digital The key is a Public Key. 8 · If the USB flash drive in item 1 of the scope of patent application, the viewing-related information includes the viewing history and accounts payable of the user. 9 · A digital television service system including: ____ Page 13 1242117 -------- ---- ~ " ~ '---------- Six, the scope of patent application: a set-top box; a flash drive, with a digital key burned in it, Define the identity of the client, and the flash drive can be broadcasted into the set-top box; and a server on the server, obtain the digital key through the set-top box to identify the identity of the client, and download View the relevant information to the flash drive. The digital television service system further includes a 'the login password is provided by the server, and the client is allowed to download only after confirmation. 1 0. If the 9th input interface of the scope of patent application is entered to log in to the dense stone horse server to confirm the identity program of the client. 0 1 1 · If the information related to the 9th scope of patent application includes the digital television service system of the messenger, Among them, the user's viewing history and accounts payable. Page 14