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Method and system for adjusting time sequence among multiple devices

A timing adjustment, multi-device technology, applied in the direction of generating/distributing signals, etc., can solve problems such as display asynchrony

Active Publication Date: 2020-11-17
FUZHOU ROCKCHIP SEMICON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method and system for timing adjustment between multiple devices, which can realize intra-frame synchronization and solve the problem of asynchronous clocks between multiple devices. The display is out of sync

Method used

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  • Method and system for adjusting time sequence among multiple devices
  • Method and system for adjusting time sequence among multiple devices
  • Method and system for adjusting time sequence among multiple devices

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Embodiment Construction

[0095] In order to describe the technical content, achieved goals and effects of the present invention in detail, the following descriptions will be made in conjunction with the embodiments and accompanying drawings.

[0096] The method and system for timing adjustment between multiple devices of the present invention can be used in any application scenario that requires synchronous display of display screens between multiple devices, such as advertising machines, TV walls, supermarket shelf product display screens, and other scenarios that require multi-screen splicing , which will be described below in combination with specific application scenarios.

[0097] Please refer to figure 1 , a method for timing adjustment among multiple devices, comprising the steps of:

[0098] S1. The master device sends a synchronization event to the slave device connected to it;

[0099] Specifically, the master device and the slave device display according to the start display time and end ...

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Abstract

The invention provides a method and a system for adjusting a time sequence among multiple devices. A master device sends a synchronization event to a slave device connected with the master device; theslave device determines an asynchronous deviation between the slave device and the master device according to the synchronization event; the slave device adjusts a display time sequence according tothe asynchronous deviation; the slave device can perform independent adjustment according to the determined asynchronous deviation to compensate the asynchronous deviation between the slave device andthe master device, thereby realizing fitting with the display beat of the master device, realizing intra-frame synchronization between the devices, solving the problem of display asynchronism causedby asynchronous clocks between multiple devices, and improving the user experience. A better multi-screen splicing display effect is achieved.

Description

technical field [0001] The invention relates to the field of synchronous display, in particular to a method and system for adjusting timing among multiple devices. Background technique [0002] In the prior art, there are many scenes involving multiple devices for display, such as advertising machines, TV walls, product display screens on supermarket shelves, and the like. When playing display frames through multiple devices, one of the most critical elements is the synchronization of the display frames played by each device. [0003] In order to achieve the synchronization of the display frames played by each device, there are usually the following two methods. One is that each device plays based on a synchronous clock source, and the signal is split into multiple display screens for full synchronization. The other is Asynchronous clocks are used between each device. For the case of using an asynchronous clock, the existing ones generally only synchronize the starting poi...

Claims

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Application Information

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IPC IPC(8): G06F1/12
CPCG06F1/12
Inventor 黄家钗张崇松方兴文
Owner FUZHOU ROCKCHIP SEMICON
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