Wireless Auxiliary Stream Sharing for Cable-Free Video Conferencing

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Traditional auxiliary stream sharing in video conferences is limited by compatibility issues with audio and video interface cables, especially in devices like tablets, and is inconvenient for mobile presentations.

Innovation Solution

A method and system for wireless transmission of auxiliary stream data using wireless pairing and screening software, enabling devices to connect via USB and automatically update software, allowing audio and video data to be coded and transferred wirelessly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional wired auxiliary stream sharing is used, then audio and video data can be transferred reliably, but device compatibility is limited and mobility is restricted

Engineering Contradiction:
Improvedevice compatibilityVSAvoidinterface cable dependency
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical cable connection system with a wireless communication system. The auxiliary stream device uses wireless interfaces (Wi-Fi, Bluetooth) to transmit audio and video data to the master device, eliminating the need for physical cable connections and enabling broader device compatibility including tablets and mobile devices.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent creates a universal auxiliary stream sharing system that works across multiple device types (PCs, laptops, tablets, mobile devices) with different interfaces. The master device can receive auxiliary streams from various sources through standardized wireless protocols, making the system universally applicable without requiring device-specific cable connections.

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

2Ease of operation

If wired network transmission is used, then data transfer stability is maintained, but mobility and flexibility during presentation are reduced

Engineering Contradiction:
Improvemobility during presentationVSAvoiddata transmission stability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent substitutes the wired network transmission system with wireless transmission using Wi-Fi and Bluetooth protocols. This allows the auxiliary stream device to be freely positioned and moved during presentation while maintaining stable data transfer through wireless communication, eliminating the physical constraint of cable connections.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Adaptability or versatility

If wireless transmission is implemented, then device compatibility and mobility are improved, but transmission stability may be affected

Engineering Contradiction:
Improvewireless connectivityVSAvoidtransmission stability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent introduces a screening software as an intermediary component that manages the wireless transmission process. This software handles the complexity of wireless communication, ensures stable data transfer, and coordinates between the auxiliary stream device and master device, thereby maintaining transmission reliability while enabling wireless connectivity.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP3672234B1Methods and systems for wireless transmission of auxiliary stream data based on video conference systems
Publication Date: 2026.01.14 YEALINK (XIAMEN) NETWORK TECHNOLOGY CO LTD
  • EP3672234B1 patent drawingFigure 1
  • EP3672234B1 patent drawingFigure 2
  • EP3672234B1 patent drawingFigure 3

AI summary

Disclosed herein are a method and a system for wireless transmission of auxiliary stream data based on a video conference system. The method comprises: connecting a first auxiliary stream device to the master of the video conference via wireless pairing; running a screening software by a second auxiliary stream device; transferring the audio and video data of the second auxiliary stream device to the master of the video conference via the screening software. The method and the system as provided herein can solve the problems which may be caused by being incompatible with audio and video interface cables, thereby improving participants' experience.