Synchronous displaying method and system of tiled display screen

A synchronous display and splicing screen technology, applied in the direction of digital output to display equipment, data processing input/output process, instruments, etc., can solve the problems of video output unit synchronization influence, poor synchronization display accuracy, etc., to improve fault tolerance , the effect of improving accuracy

Active Publication Date: 2015-02-25
HANGZHOU HIKVISION DIGITAL TECH
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Problems solved by technology

[0006] The present invention provides a synchronous display method and system of a splicing screen, to at least solve the problem of synchronization of each video output unit when the synchronous control unit is abnormal in the related art by using a synchronous control unit to perform real-time synchronous control on each video output unit. Sexuality will be severely affected, and the accuracy of the sync display is less accurate

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  • Synchronous displaying method and system of tiled display screen
  • Synchronous displaying method and system of tiled display screen
  • Synchronous displaying method and system of tiled display screen

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Embodiment Construction

[0030] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0031] In the following description, unless indicated otherwise, embodiments of the invention are described with reference to acts and symbolic representations of operations that are performed by one or more computers. Among them, computers include various products such as personal computers, servers, and mobile terminals, and devices using CPUs, single-chip microcomputers, DSPs, and other processing chips can be called computers. It will thus be appreciated that such acts and operations, which are sometimes referred to as computer-implemented, include the manipulation of electrical signals representing data in a structured form by the processing unit of a computer. This manipulation transforms the ...

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Abstract

The invention discloses a synchronous displaying method and system of a tiled display screen. According to the method, when receiving synchronous answering signals, video output units start a timer by using a reference clock; the video output units generate timing marks at regular preset intervals through the timer; the video output units synchronously display received image blocks according to the timing marks. The synchronous answering signals are fed back to the video output units by a synchronous control unit which receives synchronous request signals sent by all video output units; the reference clock is acquired from the synchronous control unit after the synchronous control unit is powered on. The synchronous displaying method and system according to the technical scheme has the advantages that fault tolerance of the system is improved, and synchronous displaying accuracy of the system is improved.

Description

technical field [0001] The present invention relates to the technical field of video transmission and display, in particular to a method and system for synchronous display of spliced ​​screens. Background technique [0002] At present, the synchronous display system commonly used in the related art may include: a reference clock circuit, a frame synchronization control circuit, an overlay control circuit and at least two or more display devices, which can complete the synchronization of the output image through the frame synchronization control circuit, and the reference clock The circuit can effectively avoid the asynchronous problem caused by frequency difference accumulation when each output device uses its own clock. However, as the synchronous display applications and application scenarios of splicing screens become more complex and diversified, the following technical problems have also been raised: [0003] Problem 1. As the system runs for a long time, if the frame ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/14
CPCG06F3/1454
Inventor 戴鑫徐宁李清俊
Owner HANGZHOU HIKVISION DIGITAL TECH
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