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Screen projection information display method, reading terminal and storage medium

A terminal and storage technology, applied in the information field, can solve problems such as occupying too much bandwidth, affecting the effect of synchronous playback of screen projection information, and data transmission delay

Active Publication Date: 2020-06-26
ZHANGYUE TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large amount of data in the image format, the method of merging images and sending the combined images on the reading terminal has the problem of occupying too much bandwidth, which can easily cause data transmission delays and affect the effect of synchronous playback of screen projection information.

Method used

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  • Screen projection information display method, reading terminal and storage medium
  • Screen projection information display method, reading terminal and storage medium
  • Screen projection information display method, reading terminal and storage medium

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Embodiment Construction

[0020] 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 some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0021] It should be understood that the terms "first", "second", "third" and "fourth" in the claims, description and drawings of the present invention are used to distinguish different objects, rather than to describe a specific order . The terms "comprising" and "comprising" used in the description and claims of the present invention indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude one o...

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Abstract

The invention relates to a screen projection information display method, a reading terminal and a storage medium, and the method comprises the steps: responding to a screen projection operation instruction, and obtaining background image information displayed by the reading terminal in real time; acquiring handwritten image information displayed by the reading terminal in real time in response tothe handwritten note operation; judging whether the background image information or the handwritten image information changes relative to the previous frame or not; and if so, sending the background image information or the handwritten image information. According to the technical scheme, the transmission data volume in the screen projection information transmission process can be effectively reduced, and the influence of data transmission delay on the screen projection synchronization effect is avoided.

Description

technical field [0001] The present invention relates to the field of information technology. More specifically, the present invention relates to a method for displaying information on a screen, a reading terminal and a storage medium. Background technique [0002] Most of the current reading terminals support the screen projection function. Users operate on the reading terminal (such as handwriting operations, etc.), and the screen projection receiving device (such as a TV or computer, or another reading terminal) can receive and synchronize the projection information in real time. exhibit. Usually, the method for the reading terminal to send screen projection information is to superimpose and merge the layer of the currently displayed page (for example, the reading page) and the handwritten layer displayed in the current frame to obtain a merged image of the current frame, and send the merged image to the projection screen. screen receiving device. Due to the large amoun...

Claims

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Application Information

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IPC IPC(8): G06F3/14G06F3/0488
CPCG06F3/04883G06F3/1454
Inventor 程超
Owner ZHANGYUE TECH CO LTD