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Digital broadcasting receiving apparatus and method of receiving thereof

A technology of digital broadcasting and receiving devices, applied in the field of digital broadcasting receiving devices, can solve problems such as cable network transmission loss and subscriber transmission loss in two-way communication, so as to reduce errors, improve two-way communication quality and reliability, and improve communication quality effect

Inactive Publication Date: 2008-07-02
LG INNOTEK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, when there is two-way communication between the headend and the subscriber through the set-top box, there may be transmission losses through the cable network connecting the headend and the subscriber's set-top box
The headend does not consider the transmission loss of the subscriber in the two-way communication

Method used

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  • Digital broadcasting receiving apparatus and method of receiving thereof
  • Digital broadcasting receiving apparatus and method of receiving thereof
  • Digital broadcasting receiving apparatus and method of receiving thereof

Examples

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Embodiment Construction

[0026] A digital broadcasting apparatus according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0027] figure 2 is a view of a digital broadcast receiving apparatus according to an embodiment of the present invention.

[0028] refer to figure 2 , the set-top box 100 is connected to the head end 200 by a cable, and includes an in-band signal receiving unit 110, an out-of-band signal receiving unit 120, an out-of-band signal transmission unit 130, an analog-to-digital conversion (ADC) unit 141, a digital-to-analog conversion (DAC) unit 142 and the control unit 150.

[0029] The set-top box 100 receives an in-band signal through a cable (for example, a coaxial cable) connected to the headend 200, demodulates the received signal, and transmits the demodulated signal to a display device such as a television. Here, the headend 200 transmits in-band signals such as images and sounds carrying a transport stream (e...

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Abstract

Provided are a digital broadcast receiving device and method. The digital broadcast receiving device includes: an out-of-band signal receiving unit configured to receive an out-of-band signal through a cable; an out-of-band signal transmission unit configured to transmit the out-of-band signal through the cable; and a control unit configured to A gain of the out-of-band signal of the out-of-band signal transmission unit is controlled according to a level change of the out-of-band signal received by the out-of-band signal receiving unit.

Description

technical field [0001] The present invention relates to a digital broadcast receiving device and a receiving method thereof. Background technique [0002] As broadcasting media has been digitized, terrestrial and satellite digital multimedia broadcasting services are provided. Recently, as cable broadcasting uses a digital system, digital multimedia broadcasting services are more efficiently provided. [0003] With the wide spread of coded media, the digitization of broadcast signals will accelerate the convergence of communications, computers, and broadcasting, realize the internationalization and multi-channel of a single multi-functional media, and provide multiple data services. [0004] Cable broadcast networks are designed to deliver high-quality television signals received using highly sensitive antennas to every household's television. The service of a cable broadcast network begins with solving the problem of coverage area. In addition, the cable broadcasting net...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/10
CPCH04H60/97H04N7/102A47L15/4217A47L2501/01A47L2501/06
Inventor 金钟云
Owner LG INNOTEK CO LTD
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