VR Headset RFID External Device Localization
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Solution Overview
Problem
Current VR devices face challenges in recognizing external devices in dim-light environments and are limited in recognizing a wide range of external devices due to the reliance on optical signals and the need for specific AI models for each device.
Innovation Solution
The use of RFID signals and image recognition methods allows VR devices to communicate with and localize external devices, enabling the recognition of a variety of devices regardless of lighting conditions. This involves using at least two receivers and a transmitter to identify RFID tags on external devices, download 3D models, and match the device's location and rotation to display a virtual image.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If optical signals are used for device recognition in VR, then the system can identify external devices, but the recognition fails in dim-light environments
Solution Approach 1:
The patent replaces optical signal-based recognition with RFID (radio-frequency identification) technology. Instead of using cameras and visual sensors that depend on light, the system uses electromagnetic radio waves to communicate between the VR headset and external devices. This substitution eliminates the dependency on illumination conditions, allowing reliable device recognition in both bright and dim environments.
2Adaptability or versatility
If optical recognition methods are used, then external devices can be identified, but the system requires specific AI models for each device type
Solution Approach 1:
The patent implements a universal RFID-based recognition system that can identify multiple types of external devices using a single communication protocol. Instead of requiring separate AI models for different device types, the system uses RFID tags and readers that work with various devices (keyboards, mice, controllers, etc.) through standardized electromagnetic communication, significantly reducing software complexity while maintaining versatility.
3Measurement precision
If specialized AI models are developed for each external device, then accurate recognition is achieved, but development costs increase
Solution Approach 1:
The patent uses RFID tags as standardized information carriers that contain device identification data. Instead of developing custom AI models for each device, the system reads identification information from RFID tags attached to or embedded in external devices. This copying approach allows accurate device identification through standardized tag reading, eliminating the need for expensive custom software development while maintaining precision.
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
This solution enhances the ability of VR devices to recognize and interact with external devices in various lighting conditions, simplifies the process of adding new devices to the recognition list, and reduces the costs associated with developing specialized software for each device.
Implementation Method 1
using at least two receivers and a transmitter to recognize an external device and determine a location of the external device relative to the headset, based on tags coupled to the external device
Data Source
AI summary
Embodiments are related to providing external device communication and localization for virtual reality based equipment using radio-frequency identification (RFID). At least two receivers and a transmitter are used to recognize an external device and determine a location of the external device relative to the headset, based on tags coupled to the external device. A three-dimensional (3D) model is downloaded of the external device based on information received by the at least two receivers from the tags. A location of the external device is matched to the 3D model based on the tags. A virtual image is displayed of the external device corresponding to the location of the external device.