VR Controller Hand Retainer and Finger Sensing for Secure Grip
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing VR system controllers face challenges in balancing ease of use, functionality, and design constraints, particularly in maintaining secure grip and facilitating intuitive user interaction.
Innovation Solution
A controller design featuring a hand retainer with an adjustable strap and integrated tracking and proximity sensors, allowing secure grip and enhanced user interaction through capacitive sensing and electromagnetic tracking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a hand retainer with adjustable strap is provided to attach the controller to the user's hand, then secure grip and retention are improved, but device complexity increases due to additional components and adjustment mechanisms
Solution Approach 1:
The hand retainer strap is made adjustable to accommodate different hand sizes and grip preferences, allowing the retention force and positioning to be dynamically optimized for each user while maintaining secure grip without requiring a completely new design for each hand size
Solution Approach 2:
The adjustable strap mechanism allows users to modify the retention parameters (tightness, position) to achieve optimal secure grip, transforming a fixed-design problem into an adjustable-parameter solution that maintains reliability across different users
2Measurement precision
If proximity sensors are integrated into the controller handle, then finger motion detection precision is improved, but device complexity increases due to additional sensors and processing requirements
Solution Approach 1:
The proximal sensors serve multiple functions: detecting finger presence, determining grip state, and enabling gesture recognition, allowing a single sensor system to provide comprehensive finger motion detection without requiring separate specialized sensors for each function
Solution Approach 2:
Traditional mechanical switches or physical contact-based detection are replaced with proximity sensors that use electromagnetic fields to detect finger motion, eliminating moving parts and mechanical wear while improving detection precision and enabling more subtle gesture recognition
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 secure handling and intuitive control of VR systems by maintaining grip without dropping, facilitating precise finger motion detection, and enhancing gameplay interactions.
Implementation Method 1
an array of proximal sensors disposed just under its outer surface, the array of proximal sensors being responsive to a proximity of the user's fingers to the outer surface of the handle
Implementation Method 2
The tracking member 130 includes a plurality of tracking transducers disposed therein... the array of proximal sensors being responsive to a proximity of the user's fingers
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A controller for an electronic system includes a tracking member fixed to a controller body. The controller body has a head that adjoins a handle at a neck region, and that includes a thumb-operated control. The controller includes a hand retainer that in a closed position is configured to physically bias the user's palm against an outer surface of the handle. The hand retainer includes a resilient member that biases the hand retainer towards an open position. The resilient member is attached to an anchor that is attached to the head by an adjustment mechanism that permits the resilient member to be moved towards or away from the user's purlicue. The tracking member includes transducers coupled to the electronic system by electromagnetic radiation. Proximity sensors, spatially distributed on the handle, are responsive to a proximity of the user's fingers to the outer surface of the handle.