Li-Fi Meeting Join Signals for Interference-Free Device Pairing
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Solution Overview
Problem
Conventional approaches for connecting personal devices to virtual meetings in shared physical spaces are burdensome due to technical limitations, often requiring multiple steps and are prone to radio interference, limiting device functionality during meetings.
Innovation Solution
A light communications system using Li-Fi technology emits encoded light patterns imperceptible to the human eye, allowing devices to automatically connect and perform updates or actions within virtual meetings by decoding these patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional wireless communication methods (Bluetooth, Wi-Fi) are used to connect personal devices to virtual meetings, then device connectivity is achieved, but the process becomes burdensome requiring multiple steps and is prone to radio interference
Solution Approach 1:
The patent replaces conventional radio-based wireless communication (Bluetooth, Wi-Fi) with light-based communication (Li-Fi). This substitution eliminates radio interference issues and provides more reliable connections by using visible light or infrared light carriers instead of radio frequency waves, directly resolving the technical contradiction between connection reliability and ease of operation
Solution Approach 2:
The patent introduces light signals as an intermediary medium between the presentation device and personal devices. The presentation device emits light patterns that encode connection information, which personal devices detect and decode to establish connections. This intermediary light-based communication channel avoids the interference and complexity issues of conventional radio communication
2Reliability
If multiple steps are required for device connection, then connection can be established, but the process becomes time-consuming and burdensome for users
Solution Approach 1:
The patent implements preliminary action by pre-configuring the presentation device with meeting identification information and connection parameters before the meeting starts. The device automatically emits light patterns containing connection information when a meeting begins, eliminating the need for users to manually configure connection settings and reducing setup time while maintaining stable connections
Solution Approach 2:
The patent enables self-service by allowing personal devices to automatically detect, decode, and process light signals containing connection information. The devices autonomously establish connections without requiring user intervention for manual pairing or configuration, reducing both time loss and operational burden while ensuring reliable connections
3Adaptability or versatility
If radio frequency communication is used, then wireless connectivity is achieved, but radio interference and noise limit device functionality during meetings
Solution Approach 1:
The patent substitutes radio frequency communication with light-based communication (Li-Fi technology). By using visible light or infrared light as the communication carrier instead of radio waves, the system eliminates radio interference and noise issues, enabling devices to function more reliably during meetings without electromagnetic interference affecting performance
Solution Approach 2:
The patent changes the fundamental parameter of the communication medium from radio frequency to light frequency. This parameter change transitions the communication system from the radio spectrum to the visible or infrared spectrum, fundamentally eliminating the harmful effects of radio interference while maintaining wireless communication capabilities and enhancing device functionality
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables seamless device integration into virtual meetings by reducing setup complexity and minimizing interference, enhancing meeting participation through automated actions based on device location and position.
Implementation Method 1
a light communications system of a user device and from a light source in a physical space, light in a pattern that represents encoded information, wherein the light communications system includes a sensor and an emitter
Data Source
AI summary
A user device may use a light communications system to detect, from a light source in a physical space, light in a pattern that represents encoded information. The light communications system may include a sensor and an emitter. The user device may decode the encoded information based on the pattern to cause an update associated with a virtual meeting. In some implementations, the update may include the user device joining the virtual meeting using a meeting identifier. In some implementations, the update may include adjusting a microphone or a speaker in the physical space. In some implementations, the update may include a pairing between the user device and a second device that enables bidirectional communication between the user device and the second device.