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Video display controller and video display control method

A technology of video display and controller, applied in the direction of static indicators, digital output to display equipment, instruments, etc., can solve the problem of less video monitoring interface and video preview interface, and achieve the effect of reducing product cost and enhancing product function

Inactive Publication Date: 2017-08-18
XIAN NOVASTAR TECH
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

The current market situation shows that LED video display controllers rarely provide video monitoring interfaces or video preview interfaces to users, and there are even fewer video monitoring interfaces and video preview interfaces.

Method used

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  • Video display controller and video display control method

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Embodiment Construction

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0021] See figure 1 A video display controller 10 proposed in an embodiment of the present invention includes: a multi-channel video input interface 11, a programmable logic device 13, a microcontroller 15, a preview / monitoring multiplexing interface 17 and a video processing chip 19. The programmable logic device 13 is electrically connected to the multi-channel video input interface 11, the microcontroller 15, the preview / monitoring multiplexing interface 17, and the video processing chip 19; the programmable logic device 13 is used to receive input from the multi-channel video input interface 11 At least one video source is selected from the at least one video source under the control of the microcontroller 15 and ou...

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Abstract

The invention provides a video display controller, for example, including a multi-channel video input interface, a programmable logic device, a microcontroller, a supervisory / monitoring multiplex interface and a video processing chip; the programmable logic device is connected with the multi-channel video input interface, the microcontroller, the supervisory / monitoring multiplex interface and the video processing chip; and the programmable logic device selects a target video source from the at least one original input video source received from the programmable logic device and the processed video source output by the video processing chip under the control of the microcontroller and outputs the target video source to the supervisory / monitoring multiplex interface. Therefore, the video display controller has the advantages of simple operation, convenient use, and high cost performance.

Description

Technical field [0001] The present invention relates to the field of display technology, in particular to a video display controller and a video display control method. Background technique [0002] In practical applications of LED display screens, it is often necessary to monitor the image displayed on the LED display screen to detect the image information and stability of the current input source, so the manufacturer needs to provide an output interface to output the image to the monitor. This monitors the image displayed by the LED video. In addition, some users need to preview the current input source, and when the video source is previewed to the required image content, and then project to the LED display screen for display, then the manufacturer also needs to provide an output interface to preview the current in real time Input source. The current market situation shows that LED video display controllers rarely provide video surveillance interfaces or video preview interf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/32G06F3/14
CPCG09G3/32G06F3/14
Inventor 周晶晶宗靖国白俊杰
Owner XIAN NOVASTAR TECH
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