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Method of asynchronous cascade

An asynchronous level and cascading technology, applied in the direction of instruments, static indicators, etc., can solve the problems of small display screen, inconvenient installation, low refresh rate, etc., to achieve large loading area, convenient installation, and high refresh rate Effect

Inactive Publication Date: 2014-04-23
深圳创疆网络科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The asynchronous control cards currently on the market are all a control card with a display screen, so that in asynchronous applications, limited by the number of data interfaces, the display screens are not large and the refresh rate is low
In addition, many display screens are now spliced ​​by multiple cabinets, and the cabinets are often connected by network cables, while ordinary asynchronous cards are controlled by a single card, and the connection between cabinets is through cables, which will cause inconvenient installation.

Method used

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  • Method of asynchronous cascade

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Embodiment 1

[0025] Embodiment 1: a kind of method of asynchronous cascading, this method comprises the following steps:

[0026] Step S1: Set and save the parameters of the display screen;

[0027] The display is an LED display, and the LED display is divided into multiple small screen blocks. Use software to convert the size of each small screen block and the specific position of the small screen block on the entire screen into a point mapping relationship table and read it into the memory. When displaying data, the actual address is obtained by looking up the table, that is to say, the size of each small screen block and the specific position of the small screen block on the entire screen are converted into a point mapping table by software and saved to the asynchronous control In the system, at the same time, in order to prevent the parameters of the display screen from being lost, the parameters of the display screen can also be saved in the computer. When the parameters of the displa...

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Abstract

The present invention discloses a method of asynchronous cascade. The method of asynchronous cascade comprises the steps of setting and storing the parameters of a display screen; setting the concrete addresses of the receiving cards in the display screen and storing the data in an asynchronous control system; sending the played content to sending cards; using the sending cards to transmit the played content to the corresponding receiving cards via ports, and using the display screen to play after the receiving cards receive data. By the method of asynchronous cascade provided by the present invention, the display screen is large in loading area and high in refresh rate, and is convenient to install.

Description

technical field [0001] The invention relates to the technical field of data display, in particular to an asynchronous cascading method. Background technique [0002] The asynchronous control cards currently on the market are all a control card with a display screen, so that in asynchronous applications, due to the limitation of the number of data interfaces, the display screens are not large and the refresh rate is low. In addition, many display screens are now spliced ​​by multiple cabinets, and the cabinets are often connected by network cables, while ordinary asynchronous cards are controlled by a single card, and the connection between cabinets is through cables, which will cause inconvenient installation. . Contents of the invention [0003] In view of the above-mentioned shortcomings in the current asynchronous cascading method, the present invention provides an asynchronous cascading method with a large loading area of ​​the display screen, a high refresh rate, and...

Claims

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Application Information

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IPC IPC(8): G09G3/32
Inventor 崔宏
Owner 深圳创疆网络科技有限公司
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