Dockable Peripheral Device for Head-Mounted Display
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Solution Overview
Problem
Current head-mounted display (HMD) systems lack an efficient method for seamlessly integrating peripheral devices, which limits user interaction and data exchange between the HMD and peripheral devices, especially in varying configurations such as docked and undocked states, affecting the operation and functionality of augmented reality (AR) and virtual reality (VR) applications.
Innovation Solution
A peripheral device for HMD systems that can transition between docked and undocked configurations via physical electronic connections, enabling wireless communication and optical signaling protocols to manage user input, sensor data exchange, and optical alignment of AR content, allowing for flexible operation modes and improved user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If peripheral devices are integrated with HMD systems, then user interaction and data exchange are enhanced, but device complexity increases
Solution Approach 1:
The system is divided into modular components: HMD device, peripheral device, and docking station. Each component can function independently or in combination, allowing flexible integration without permanently increasing overall system complexity. The peripheral device can be docked or undocked based on operational needs.
Solution Approach 2:
The peripheral device is designed to work with multiple HMD systems and perform multiple functions (data exchange, power transfer, optical alignment). The electronic connector and communication protocols are universal, allowing the same peripheral device to interface with different HMD models.
2Adaptability or versatility
If the peripheral device transitions between docked and undocked configurations, then operational flexibility is improved, but connection reliability may deteriorate
Solution Approach 1:
The system dynamically adapts its operational mode based on the physical connection state. When docked, wired communication and power transfer are enabled; when undocked, wireless communication takes over. This dynamic switching maintains reliability in each state while providing flexibility across states.
Solution Approach 2:
The docking station serves as an intermediary that manages the transition between docked and undocked states. It coordinates the switching between wired and wireless communication modes, ensuring seamless handoff and maintaining connection reliability during transitions.
3Productivity
If wireless communication and optical signaling protocols are implemented, then data exchange efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
Physical wired connections are supplemented or replaced with wireless communication and optical signaling protocols. This substitution enables faster data exchange and eliminates the need for precise physical alignment during manufacturing, as wireless systems are more tolerant of positioning variations.
4Measurement precision
If the peripheral device enables seamless alignment of AR content, then AR experience quality is improved, but device complexity increases
Solution Approach 1:
The peripheral device and HMD system automatically perform optical alignment and calibration without requiring manual intervention. The system self-adjusts alignment parameters based on detected positional relationships, achieving precise AR content alignment while keeping the user interface simple.
Data Source
AI summary
A head-mounted display (HMD) system includes an HMD device wearable upon a head of a user, and a peripheral device that is dockable with the HMD device via a pair of electronic connectors. The HMD device and the peripheral device may communicate with each other via wireless communications in a docked configuration, and may communicate with each other via wired communications over the pair of electronic connectors in the docked configuration. The HMD system supports a variety of different modes of operation that may be varied responsive to whether the peripheral device is in the docked configuration or the undocked configuration with the HMD device.