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Information service system and method based on digital television system or IPTV (Internet Protocol television) system

A technology of information service system and digital TV system, applied in the field of information, can solve the problems of high energy consumption and high cost of information service

Inactive Publication Date: 2012-08-22
辛欣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] The technical problem to be solved by the present invention is to provide an information service system and method based on a digital television system or an IPTV system, which is used to solve the problems of high information service costs and high energy consumption in the current technology

Method used

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  • Information service system and method based on digital television system or IPTV (Internet Protocol television) system
  • Information service system and method based on digital television system or IPTV (Internet Protocol television) system
  • Information service system and method based on digital television system or IPTV (Internet Protocol television) system

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Embodiment Construction

[0061] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0062] The structure diagram of this embodiment is as follows figure 1 As shown, an information service system based on a digital television system / IPTV system composed of an information providing device 1, an information sending device 2, and an information receiving device 3 is given, and the steps of the corresponding information service method are as follows: figure 2 As shown, the TS packet carrying the service information is provided first, then the empty packet is replaced with the TS packet carrying the service information, and finally the service information is received.

[0063] This embodiment is mainly realized by three processes:

[0064] The first process is information collection.

[0065] Informat...

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Abstract

The invention relates to an information service system and an information service method based on a digital television system or an IPTV (Internet Protocol television) system. The system comprises an information providing device, an information sending device and an information receiving device, wherein the information providing device is a server used for providing a TS (transport stream) packet which prepares for replacing an empty packet and carries service information, the information sending device is connected with the information providing device, is used for replacing a TS empty packet in a digital television program stream or a TS empty packet in a digital television channel with the TS packet carrying the service information provided by the information providing device and carrying out data broadcasting, and the information receiving device is used for receiving the service information provided by the information providing device, thereby enabling users to inquire the service information. Through the system and the method, shared bandwidth, unified transmission and differentiated service are realized, and the intensification and the energy conservation of information spreading and service are realized.

Description

technical field [0001] The present invention relates to the field of information technology, in particular to an information service system and method based on a digital television system or an IPTV system. Background technique [0002] Below are some nomenclature explanations in this area, and its scope of use is limited to the present invention: [0003] IPTV: The full name is Internet Protocol Television, which refers to the TV broadcasting service based on the IP protocol, also called interactive Internet TV. [0004] TS: The full name is Transport Stream, which is the transmission code stream. [0005] PAT: The full name is Program Association Table, which is the program association table. [0006] CAT: The full name is Conditional Access Table, that is, conditional access table. [0007] PID: The full name is Packet Identification, which is "packet identifier". [0008] SI: The full name is Service Information, that is, service information. [0009] PSI: The full ...

Claims

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Application Information

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IPC IPC(8): H04N21/236H04N21/2362H04N21/2383H04N21/2389H04N21/438
Inventor 刘和陈森
Owner 辛欣
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