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Forced frame synchronization method for mobile terminal television split screen

A mobile terminal, frame synchronization technology, applied in the parts of color TV, parts of TV system, TV, etc., to achieve the effect of simple and easy synchronization

Inactive Publication Date: 2009-05-13
SHANGHAI SIMCOM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In summary, how to provide an easy-to-implement and technical problem to be solved by the present invention, for this reason, the purpose of the present invention is to provide a simple method for solving the problem of screen splitting when playing mobile terminal TV, so as to easily solve Split-screen during TV playback, improving the efficiency of mobile terminal TV development and improving the effect of TV playback

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  • Forced frame synchronization method for mobile terminal television split screen

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Embodiment Construction

[0012] Combine below figure 1 An embodiment of the present invention is given to describe the method features and functional features of the present invention in detail, but not to limit the scope of the present invention.

[0013] Such as figure 1 As shown, a mobile terminal includes:

[0014] A TV signal receiving chip A, which can receive the existing TV signal in the air, and then send the decoded video signal to the baseband;

[0015] A baseband chip B can receive the video signal sent by A through the synchronous clock.

[0016] A display device C, which can display the video signal sent by B. The display device of such a mobile terminal often produces a split-screen phenomenon, and the method of the present invention, that is, the forced frame synchronization method, can be used to solve the split-screen defect of the display. In summary, the method of the present invention includes step S 1 , set a timer, S 2 , Make the timer call a function every time interval, S...

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Abstract

The invention discloses a force frame synchronization mechanism method that is used for solving split screen in mobile TV playing. A frame synchronization function is transferred periodically by a timer, receiving and playing (such as refurbishing to LCD screen) synchronization of the video signal is obtained, so split screen phenomenon in the mobile terminal TV playing is solved, the TV playing effect is improved and the mobile terminal TV developing efficient is increased.

Description

technical field [0001] The invention relates to a simple method for solving split-screen display of mobile terminal TV. Background technique [0002] At present, there are generally several ways to play split screens on mobile terminal TVs: one is to reduce the frequency of refreshing the screen, such as refreshing 22 frames per second, etc. Generally, this is a solution to the split screen caused by the processor speed not keeping up , but this will cause visual discontinuity in the picture; the second is that there is a synchronization signal between the display device and the TV signal receiving device connected to the hardware. Another way is that the operating frequency of the television signal receiving device and the television signal transmitting device cannot be strictly synchronized, causing partial data overlap between frames, thereby producing split screens and blurred screens. It can be applied to the above-mentioned several methods for overcoming the screen sp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/04
Inventor 杨广福
Owner SHANGHAI SIMCOM LTD