Mode switching method for interactive digital video system television

A digital video, mode conversion technology, applied in digital transmission systems, televisions, transmission systems, etc., can solve problems such as snowflakes, and achieve the effect of removing snowflakes

Inactive Publication Date: 2007-03-07
LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] At this time, the external HDCP DVI needs to re-confirm the process, and during the HDCP DVI communication process, there will be a snowflake phenomenon in seconds or a continuous snowflake phenomenon

Method used

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  • Mode switching method for interactive digital video system television
  • Mode switching method for interactive digital video system television
  • Mode switching method for interactive digital video system television

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Embodiment Construction

[0047]The embodiment of the TV mode conversion method of the interactive digital video system of the present invention will be described in detail below with reference to the accompanying drawings.

[0048] Fig. 4 is a schematic diagram of the simple structure of the HDCP DVI interface in the present invention. As shown in the figure, the HDCP interface among the present invention is made up of following structure: That is, the RGB / component signal transmitter 401 that inputs RGB signal or external input signal from external media; Receiver 402; RGB / component signal receiver 403 that receives the RGB signal output from the above-mentioned RGB / component signal transmitter 401 or an external input signal; receives the HDCP confirmation signal and DVI data signal output from the above-mentioned HDCP DVI signal transmitter 402 HDCP DVI signal receiver 404; the AD converter 405 that converts the signal received by the above-mentioned RGB / component signal receiver 403 into a digital...

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PUM

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Abstract

This invention relates to interact digital video system television mode conversion method, which comprises the following steps: selecting needed DVI-PC or DVI-DTV through user; b, setting selected DVI, getting determination from outside media input HDCD-DVI interface signal and receiver keys; c, converting other input source; d, switching DVI data signal and receiving outside input data; e, through user re-selecting and setting DVI-PC or DVI-DTV; f, receiving above user selected DVI data signals.

Description

technical field [0001] The present invention relates to the technology of the mode conversion method of the interactive digital video system (DVI) TV, through the DVI TV mode conversion method in the present invention, in the DVI TV supporting the HDCP system, the HDCP and signal reception of the signal sender can be reserved HDCP confirms the key value of the party, and effectively removes the phenomenon of snowflake point (snow image). Background technique [0002] At present, compared with the previous conventional analog playback mode, the digital playback mode can provide more vivid picture quality and even sound quality close to CD level, creating a better service environment for users, and according to the future digital playback development plan , The development and research activities of products such as digital TV and digital TV video converter (Set-TopBox) for digital broadcast signal reception are being actively carried out. [0003] In addition, image output d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/167H04L9/00
Inventor 尹康植
Owner LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
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