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Video process device capable of realizing triple-window and method of realizing the same

A video processing and video signal processing technology, which is applied in the direction of video signal spatial resolution conversion, TV, color TV, etc., can solve problems such as image distortion and image quality deterioration, and achieve the effect of solving signal distortion and image quality deterioration

Inactive Publication Date: 2005-11-02
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] As described above, when the dual window function is implemented in a conventional display device with an aspect ratio of 16:9, image distortion occurs in screen type A and image quality deterioration occurs in screen type B

Method used

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  • Video process device capable of realizing triple-window and method of realizing the same
  • Video process device capable of realizing triple-window and method of realizing the same
  • Video process device capable of realizing triple-window and method of realizing the same

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Embodiment Construction

[0030] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0031] Fig. 3 is a block diagram showing a television according to a preferred embodiment of the present invention. The television has an aspect ratio of 16:9 and its display device 70 has a screen that is rotatable relative to a central point. The TV is capable of performing a three-window function, that is, three video signals having the same aspect ratio after scaling are displayed on one screen.

[0032] The television has a plurality of external input parts 100 , input part 200 , selection part 300 , first screen split part 400 , second screen split part 500 , controller 600 and display device 700 .

[0033] A plurality of external input sections 100 receive general broadcast signals input into a television and external input signals (source 1, source 2, . . . ..).

[0034] The input section 200 is placed on the TV main body and has a p...

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Abstract

A video process device includes: a display device rotatable with respect to a center point of a screen; a first screen dividing portion for processing first and second video signals into a double window video signal; a second screen dividing portion for processing the double window video signal and an inputted third video signal into a triple window video signal; and a controller for controlling the second screen dividing portion in order to transform a vertical and horizontal synchronization signal of the first, second and third video signals to correspond to the screen of the display device rotated by 90 DEG when the display device is rotated by 90 DEG . Accordingly, by realizing the triple window in consideration of the aspect ratio of 16:9 of the display device, problems such as image quality deterioration and signal distortion can be solved. Also, the opportunity to watch various broadcasting can satisfy a user's needs.

Description

technical field [0001] The present invention relates to video processing devices, and more particularly to video processing devices having a screen aspect ratio of 16:9. This application is based on Korean Application No. 2002-33175 filed on June 14, 2002, which is incorporated herein by reference. Background technique [0002] Widevision is a common example of a video processing device for a display device with a screen aspect ratio of 16:9. Wide viewing angle display devices use CRT, LCD (Liquid Crystal Display) or PDP (Plasma Display). However, it is difficult to manufacture a CRT screen larger than 36 inches due to its physical structure. Due to the firing distance between the electron beam gun and the phosphor screen, it was not possible to design a CRT with a perfectly flat screen. Likewise, increasing screen size brings with it issues of increased weight and bulk, as well as power consumption. For the reasons mentioned above, LCDs and PDPs are generally used for w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/45G09G3/20G09G5/14H04N5/44H04N5/445
CPCG09G3/20G09G2340/0492H04N7/0122H04N21/4622G09G2340/0407H04N5/44591H04N21/4316H04N21/4858G09G2340/0442H04N21/440272G09G5/14H04N21/47H04N5/45
Inventor 张根植
Owner SAMSUNG ELECTRONICS CO LTD
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