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Application method capable of enabling all displays connected to matrix to display normally

An application method and normal display technology, applied in the direction of digital output to display devices, static indicators, cathode ray tube indicators, etc., can solve the problems of different EDIDs, different EDID data, etc.

Inactive Publication Date: 2010-11-24
DALIAN GIGATEC ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve this display problem caused by different EDID data, the present invention specially designs a new application method that allows all displays connected to the matrix to display normally. This method can effectively solve this problem caused by different brands and Display problems caused by different EDIDs between different models of monitors

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  • Application method capable of enabling all displays connected to matrix to display normally
  • Application method capable of enabling all displays connected to matrix to display normally
  • Application method capable of enabling all displays connected to matrix to display normally

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Embodiment Construction

[0011] The EDID data provided by the display to the PC includes acceptable line and field frequency range, manufacturer, production date, product serial number, product model, standard display mode and its parameters, supported DDC standard category, EDID version information, etc. According to the EDID information given by the display, the matrix performs the process of extraction, analysis, and arrangement. The specific process is as follows:

[0012] First, extract effective data related to the display, such as: the size of the display; the resolution supported by the display; the field frequency refresh rate supported by each resolution of the display; the line and field effective points of the display; other functions supported by the display, etc. series information. Then remove information that has nothing to do with the display but may affect the normal operation of the display from the EDID data of the display, such as: the EDID version number of each display; the prod...

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Abstract

The invention relates to a new application method capable of enabling all displays connected to a matrix to display normally, which can effectively solve the display problem caused by different EDID between different brands and displays with different models and changes the traditional design method as follows: the matrix extracts and settles EDID data of all displays at first, then integrates the data into a group of new EDID data capable of being supported by all displays in the transmission process in stead of singly adopting contents in any one of the displays; and then the group of new EDID information is transmitted to a PC host in each channel to enable each PC host to transmit displayed images based on the group of new EDID information. By adopting the method in the invention, as long as the display model is not replaced, each display can display normally no matter what switch is carried out. Even if the display is replaced, the EDID data is updated immediately after replacement and is transmitted to each PC host timely; therefore, all displays can be still displayed normally.

Description

technical field [0001] The invention relates to an application method for displaying normally in a DVI or VGA matrix. Background technique [0002] In the current society, there are more and more applications involving VGA and DVI signals. And the matrix products for dispatching or distributing VGA or DVI signals are even more diverse and diverse; not only are they of different sizes and scales, but also the methods of use and control are also different. But no matter what, they all inevitably encounter a common problem, that is, the processing of DDC and EDID. DDC is the abbreviation of DISPLAY DATACHNNEL, that is, display data channel. EDID is the abbreviation of Extended Display Identification Data, that is, extended display identification data, which is a VESA standard data format. These two items play a decisive role in the process of connecting the PC to the monitor. [0003] Such as figure 1 In the traditional DVI matrix or VGA matrix, the EDID one-to-one applica...

Claims

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Application Information

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IPC IPC(8): G09G5/00G06F3/14
Inventor 程鹏郭亮
Owner DALIAN GIGATEC ELECTRONICS