Multi-Function VR/AR Input Device with Motion and Touch Sensing
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Solution Overview
Problem
Existing input devices for VR and AR lack multi-purpose functionality, primarily limited to basic operations like note-taking and are not suitable for advanced applications.
Innovation Solution
An input device equipped with an internal sensor for detecting speed and direction, an external sensor for touch and pressure sensitivity, a controller for operation control, a camera for image capture, and additional features like a laser pointer and fingerprint sensor, enabling versatile operations in VR and AR environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a basic touch pen is used for note-taking and simple operations, then the device is simple and easy to manufacture, but the functionality is limited and cannot be used for VR and AR purposes
Solution Approach 1:
The input device integrates multiple functions including touch input, laser pointer, fingerprint authentication, camera capture, and VR/AR capabilities into a single device. The head part can be used for both writing on screens and as a pointer in VR environments, while the body houses sensors and cameras for authentication and image capture, making the device universally applicable across different usage scenarios.
Solution Approach 2:
The patent combines previously separate functions into one integrated device: the touch pen functionality is merged with laser pointer, fingerprint sensor, camera, and VR/AR tracking capabilities. This consolidation allows users to carry a single device instead of multiple separate tools, resolving the contradiction by achieving multi-functionality through integration.
2Adaptability or versatility
If multiple sensors and features are added to enable VR and AR functionality, then the adaptability improves, but the device complexity increases
Solution Approach 1:
The device structure employs nesting where the head part containing the camera is integrated into the body housing that contains the battery and sensors. The folding holder provides a compact nested structure that allows the device to maintain complexity while remaining portable. This nested arrangement organizes multiple components efficiently within a compact form factor.
Solution Approach 2:
The input device is divided into distinct functional segments: the head part with camera for VR/AR interaction, the body with battery and internal sensors for power and motion tracking, and the folding holder for structural support. This segmentation allows each component to be optimized independently while working together as an integrated system, managing complexity through modular design.
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
Enhances the device's functionality to serve as a multi-purpose tool for VR and AR applications, including writing, pointing, virtual keyboard use, and secure authentication, with improved user interaction and control capabilities.
Implementation Method 1
an accelerometer for sensing a speed and a direction of the device body
Implementation Method 2
an internal sensor further comprises a vibration motor for feedback
Data Source
AI summary
Provided is an input device for virtual reality (VR) and augmented reality, the input device including: a device body provided at an end a head part to be utilized for VR and AR purposes; an internal sensor embedded in the device body and comprising an accelerometer for sensing a speed and a direction of the device body and at least one position sensor for sensing a position of the device body; an external sensor provided at an outside of the device body and having a touch sensor for sensing touch sensitivity of the head part with respect to a screen of a predetermined electronic device; and a controller connected to the internal sensor and the external sensor and configured to control an operation of the electronic device or control implementation of the VR and the AR based on a sensed value of the internal sensor and the external sensor.