Web Conferencing Screen Sharing for Simultaneous Multi-User Collaboration

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Solution Overview

Problem

Conventional web conferencing systems only support single-person screen sharing, limiting simultaneous information sharing and communication efficiency among multiple users.

Innovation Solution

Implementing a method that allows multiple terminal devices to simultaneously share screens and enable online commenting, with structured storage of comment information, enhancing communication efficiency and work productivity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If single-person screen sharing is implemented, then system complexity is reduced, but communication efficiency deteriorates

Engineering Contradiction:
Improvecommunication efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent segments the screen sharing functionality by allowing multiple independent terminal devices to share screens simultaneously rather than a single user. Each terminal device can independently initiate and control screen sharing, with the system distributing data streams to multiple participants. This segmentation enables parallel information sharing across different devices, resolving the contradiction by improving communication efficiency without requiring a completely new system architecture.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent implements multi-functionality by enabling terminal devices to perform both receiving and sharing functions simultaneously. Any terminal device in the conference can act as either a receiver viewing shared content or a sharer transmitting screen information, and can switch roles as needed. This universal capability allows multiple users to share screens at the same time, improving communication efficiency while maintaining system manageability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Productivity

If multiple users share screens simultaneously, then communication efficiency is improved, but data transmission complexity increases

Engineering Contradiction:
Improvecommunication efficiencyVSAvoiddata transmission complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent introduces a server as an intermediary between terminal devices to manage data transmission. The server receives screen sharing data streams from multiple sharing terminal devices and distributes them to participating terminal devices. This intermediary approach simplifies the transmission complexity by centralizing the coordination of multiple data streams, allowing simultaneous sharing without requiring direct peer-to-peer communication between all users.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent resolves transmission complexity by adding a dimensional layer through the server infrastructure. Instead of direct peer-to-peer transmission that would create complex inter-device routing, the system introduces a central coordination dimension where all sharing requests and data streams are routed through the server. This dimensional change simplifies the transmission architecture while enabling simultaneous multi-user screen sharing.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS12464089B2Information processing method, device, system, storage medium, and computer program product
Publication Date: 2025.11.04 HUAWEI TECH CO LTD
  • US12464089B2 patent drawing
  • US12464089B2 patent drawing
  • US12464089B2 patent drawing

AI summary

Embodiments of this application provide an information processing method, a device, a system, a storage medium, and a computer program product that relate to a web conferencing technology. In the method, a plurality of users may join a web conference by using a plurality of participating terminal devices. In addition, screen sharing is performed by using a web conferencing system. Therefore, the plurality of participating terminal devices in the conference may display, on screens of the plurality of participating terminal devices, information shared by the at least two sharing terminal devices. In this manner, the web conferencing system supports screen sharing performed by a plurality of sharing terminal devices at a same moment, and each sharing terminal device can control the screen sharing. This facilitates information sharing between the pluralities of users, and improves communication efficiency between the users.