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VGA (Video Graphics Array) full-resolution locked display system and method

A full-resolution, display system technology, applied to TV system components, TV, standard conversion, etc., can solve the problems of unknowable resolution, unsupported, black screen, etc., and achieve the effect of significant production practice

Active Publication Date: 2015-07-01
ARKMICRO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] VGA converters currently on the market, such as VGA to AV converters, VGA to HDMI converters, VGA to component converters, etc., only support some fixed VGA resolution format input. When it is not supported, there will be a black screen, a blurred screen, or a message indicating that the input format is not equal. At this time, because the input VGA image cannot be locked and displayed, the input resolution cannot be known, and the signal output from the VGA interface must be connected to the VGA interface. Only when the image is displayed on the monitor can the resolution of the VGA output be set to a format supported by the VGA converter to restore the normal operation of the VGA converter, and once the computer monitor does not support the current output resolution of the graphics card device, it is necessary to find another monitor to display or reinstall and start the computer, which will bring great inconvenience to the user

Method used

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  • VGA (Video Graphics Array) full-resolution locked display system and method
  • VGA (Video Graphics Array) full-resolution locked display system and method
  • VGA (Video Graphics Array) full-resolution locked display system and method

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Embodiment Construction

[0050] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0051] In the description of the present invention, it should be understood that the terms "first", "second" and so on are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection; it can be a direct connected, or indirectly thro...

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Abstract

An embodiment of the invention discloses a VGA (Video Graphics Array) full-resolution locked display system, which comprises a three-way ADC (Analog to Digital Converter), a video format conversion unit, a zoom unit, an output post-processing and display unit, a DDS (Direct Digital Synthesizer), a row lock unit, an automatic display adjustment unit and a video detection unit. The invention also provides a VGA full-resolution locked display method. According to the system and the method, an input VGA signal can be displayed and output without limitation of resolution.

Description

technical field [0001] The invention relates to the field of video image display, in particular to a display system and method supporting video images of all resolutions under the VGA format. Background technique [0002] With the continuous development of video image transmission and display technology, more and more video transmission standards and formats have emerged, but VGA is a very mature video transmission standard, and there are still many electronic products that provide VGA. Interfaces, such as PC, MAC, video camera and DVD, etc. [0003] The application of VGA technology is generally based on VGA display card computers, notebooks and other equipment, and in some more applications that require displaying color high-resolution images and do not need to use computers, such as public places such as supermarkets, stations, airports, etc. Advertising and prompt information display and multimedia display in daily life, etc., need to use VGA converter to convert VGA si...

Claims

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Application Information

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IPC IPC(8): H04N5/765H04N7/01
Inventor 袁扬智刘俊秀石岭
Owner ARKMICRO TECH
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