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Thee-in-one network fusion access method and device of digital TV

A triple play, digital TV technology, applied in the field of network communication, to achieve the effect of cheap equipment and enhance competitiveness

Inactive Publication Date: 2009-07-22
ZHONGYANLIAN TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The access terminal uses the existing cable TV cable to solve the access problem of the last 100 meters, avoiding the inconvenience caused by rewiring, and greatly improving the feasibility of network access

Method used

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  • Thee-in-one network fusion access method and device of digital TV
  • Thee-in-one network fusion access method and device of digital TV
  • Thee-in-one network fusion access method and device of digital TV

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Embodiment Construction

[0045] The following detailed description in conjunction with the accompanying drawings can clearly understand this patent.

[0046] This patent adopts the combination of computer front-end authorized CA and SMS user management, and at the same time adds a specific algorithm to scramble and encrypt the digital TV signal and analog TV signal to form scrambled digital and analog TV signals. figure 1 (a), when the scrambled signal arrives at the distribution network, it is transmitted on the main line, and the authorizer is separated from the terminal card machine to the home. At this time, the two functions of descrambling, decryption, user management and demultiplexing and decompression are implemented in the authorizer Carry out air separation, which is true separation. The separated functions of descrambling, decryption, and user management are strictly managed and controlled by the network operator, and the user has no card in hand. The digital set-top box in the user's hom...

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Abstract

The method comprises: in the EPON network built by combining Ethernet and Passive optical network (PON), the authorizing manager is used to replace the network bridge in order to realize the free transmission between Ethernet and cable TV network. It has the advantages of EPON and authorizing manager so as to realize the multi functionalities of wideband access, watching TV, on-line and making telephone.

Description

technical field [0001] The invention belongs to network communication technology. It involves the two-way transformation of cable TV HFC optical fiber coaxial network, the access method to achieve the integration of three networks (cable TV network, data network, communication network), and the equipment used to realize the method, so as to realize broadband access for users , Watching TV, surfing the Internet, and making phone calls do not interfere with each other and can be performed simultaneously. Background technique [0002] In recent years, the development and application of triple play has become a hot spot in the IT industry. The technical solutions based on the cable TV network are as follows: [0003] 1. CM access technology: Cable Modem technology has been applied both at home and abroad, but the transformation cost of the cable TV network is high, and the single access cost may be as high as 3,000 yuan / line. The transformation must transform the branch tree t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/16H04N7/167H04L12/46
Inventor 梁光海
Owner ZHONGYANLIAN TECH BEIJING
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