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Television with two video output formats

A technology for video output and TV set, which is applied in the field of TV sets with added video output in RGB format

Inactive Publication Date: 2010-01-20
TIANJIN SAMSUNG ELECTRONICS DISPLAY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the video output format of Monitor-Out currently on the market is limited to CVBS (composite video baseband signal). If the mode with two scart interfaces is designed and the RGB output format is added at the same time, the color reproduction of the receiving TV quality will be better, and the details will be more detailed. Clear, the image is more delicate

Method used

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  • Television with two video output formats

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Embodiment Construction

[0008] The present invention will be further described below in conjunction with the accompanying drawings.

[0009] Such as figure 1 As shown, CVBS performs Y / C (brightness / chroma) separation, and the signal of channel C is demodulated for color, and finally the output signal in RGB format is obtained.

[0010] Such as figure 2 As shown, the composite video baseband signal output terminal in the main control integrated circuit is connected to the Scart output interface, and the Scart output interface is connected to the post-stage receiving device. The main control integrated circuit is respectively connected to the red, green and blue output channels, and the red, green and blue The color output channels are respectively provided with emitter followers, the red, green and blue output channels are respectively connected to the Scart output interface, and the Scart output interface is connected to the post-stage receiving device; the main control integrated circuit is provid...

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Abstract

The invention discloses a television with two video output formats, which is realized through the following technical scheme: an output end of a composite video baseband signal in a main control integrated circuit is connected with an Scart output interface, the Scart output interface output interface is connected with a post-stage receiving device, the main control integrated circuit is connected with red, green and blue output channels respectively, the red, green and blue output channels are provided with an emitter follower respectively and are connected to the Scart output interface respectively, and the Scart output interface is connected with the post-stage receiving device; and the main control integrated circuit is provided with an I / O (input / output port), and the I / O is connected with a high-level pin of the Scart output interface through a dynatron. The invention can select a RGB format or a CVBS format to output; and when the RGB format is selected to be input to a receiving television, the demodulation process of the television cannot produce the side effect, and the television can better reduce the color and ensure that the vision of lookers-in feels better promotion.

Description

technical field [0001] The present invention relates to the field of television equipment, and more specifically relates to a television set with RGB (video red, green and blue format, ie Red, Green, Blue) format for video output. Background technique [0002] With the development of the TV industry, users are no longer satisfied that the TV can only be used as a receiver to receive signals, and outputting signals to other receiving devices is also one of the needs of users. Monitor-Out (the image of which signal source is currently displayed on the screen, this output will output the information of this signal source) as an important output function, it can output the image and sound information currently displayed on the TV to another receiving device (TV) , so that two or more TVs can watch the same program with only one external signal source. However, the video output format of Monitor-Out currently on the market is limited to CVBS (composite video baseband signal). If...

Claims

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Application Information

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IPC IPC(8): H04N9/64
Inventor 张庆
Owner TIANJIN SAMSUNG ELECTRONICS DISPLAY
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