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Image displaying system and video switching equipment and method

A technology of image display system and switching equipment, which is applied in the field of image display system and video switching equipment, can solve the problems that images cannot be supported at the same time, images cannot be displayed normally, and video output devices cannot obtain EDID information at the same time, so as to ensure normal operation display effect

Inactive Publication Date: 2013-05-22
倍奥锐(北京)科技有限公司
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  • Abstract
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Problems solved by technology

[0005] In view of this, the present invention provides an image display system, a video switching device and a method to solve the problem that the existing video output device cannot obtain the EDID information of the video switching device and the video display device at the same time, thus causing the video output device to output The image cannot be supported by the video adapter device and the video display device at the same time, resulting in the problem that the image cannot be displayed normally

Method used

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  • Image displaying system and video switching equipment and method
  • Image displaying system and video switching equipment and method
  • Image displaying system and video switching equipment and method

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] The applicant found through research that the EDID information of the video transfer device and the video display device in the image display system are different, and the video output device cannot obtain the EDID information of the video transfer device and the video display device at the same time, for example: video The output device obtains the EDID information of the video transfer device, which includes four types of EDID information: A, B, C and ...

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Abstract

The invention discloses an image displaying system and video switching equipment and method. The image displaying system comprises video outputting equipment, video switching equipment and video displaying equipment, wherein the video switching equipment is connected between the video outputting equipment and the video displaying equipment; the video switching equipment is used for acquiring EDID(Extended Display Identification Data) information of the video displaying equipment, comparing the EDID information of the video displaying equipment with the EDID information per se, selecting the EDID information identical to the EDID information of the video displaying equipment, and feeding back the EDID information identical to the EDID information of the video displaying equipment to the video outputting equipment. By applying the technical scheme, the shared EDID information of the video switching equipment and the video displaying equipment can be acquired by the video outputting equipment at the same time, and the image output per se is adjusted according to the shared EDID information, therefore, the output image can be supported by the video switching equipment and the video displaying equipment at the same time so as to further guarantee the normal display of the image.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular, to an image display system, video switching equipment and method. Background technique [0002] The image display system includes: video output equipment, video switching equipment and video display equipment. The video output device outputs the image provided by it to the video display device for display through the video transfer device. Due to the variety of video standards, the EDID (Extended Display Identification Data) information of different video display devices, such as: the video characteristics of the image size, color characteristics, and display timing that can be displayed are not the same; The output video image size, color characteristics, and display timing types are also limited. Therefore, the video output device needs to adjust its own image output according to the EDID information to ensure that the image displayed on the video display device...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G5/00G09G5/399
Inventor 方震
Owner 倍奥锐(北京)科技有限公司
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