VR Roll and Tap Turning for Immersive Control

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Solution Overview

Problem

Standard virtual reality controls often provide an unsettling experience for users due to stuttered rotation mechanisms that lack a direct correlation between control input and avatar movement, leading to discomfort and reduced immersion.

Innovation Solution

Implementing roll turning and tap turning mechanisms using analog input controls, where the border region of the control stick is utilized for smooth and precise directional changes, allowing users to rotate their avatar's direction proportionally to the control input, providing a more immersive and comfortable VR experience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If standard virtual reality controls are used with time-based rotation, then the control mechanism is simple to implement, but the user experience becomes unsettling and uncomfortable

Engineering Contradiction:
Improveuser comfortVSAvoidcontrol mechanism complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent changes the fundamental parameter of rotation control from time-based to movement-based. Instead of rotating based on how long a button is held, the system rotates based on the distance and direction of analog stick movement, creating a direct correlation between user input and avatar movement that eliminates the unsettling sensation

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent replaces the traditional mechanical button-press timing system with an analog stick movement system. The border region detection and proportional rotation calculation substitute for the simple time-based increment mechanism, providing smooth and intuitive control while maintaining implementation feasibility

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Measurement precision

If time-based rotation control is used, then the control input mechanism is simple, but the correlation between control input and avatar movement is indirect and unsettling

Engineering Contradiction:
Improvecontrol input correlationVSAvoidcontrol processing complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent implements immediate visual feedback by directly correlating analog stick movement with avatar rotation. The border region of the stick provides tactile and visual feedback boundaries, and the proportional rotation ensures the avatar moves exactly where the user intends, creating a closed-loop feedback system that enhances precision and reduces discomfort

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent adds dimensional precision by utilizing the full 360-degree range of the analog stick in both X and Y axes. The border region concept introduces a spatial dimension for control precision, where the distance from the center to the border defines the rotation threshold, enabling precise angular control that directly maps to avatar orientation

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Measurement precision

If analog input control with border region is used for roll turning, then turning precision is improved, but the control operation becomes more complex

Engineering Contradiction:
Improveturning precisionVSAvoidcontrol operation simplicity
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The patent implements dynamic control where the rotation behavior changes based on the stick's position and movement. When the stick reaches the border region, roll turning is activated; when it moves along the border, proportional rotation occurs. This dynamic response adapts to user intent, providing precision when needed while maintaining operational simplicity through intuitive motion-based control

Inventive Principle:
Principle #15Dynamics

4Speed

If tap turning is implemented with direct angle calculation, then turning speed and precision are improved, but the control mechanism becomes more complex

Engineering Contradiction:
Improveturning speedVSAvoidcontrol mechanism complexity
Core Design Contradiction:
SpeedVSDevice complexity

Solution Approach 1:

The patent prepares the rotation calculation in advance by continuously monitoring the analog stick's position and pre-calculating the potential rotation angle and direction. When the user performs a tap motion, the system immediately applies the pre-computed rotation, enabling instant and precise avatar reorientation without complex real-time computation during the actual turning action

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS10460524B2Roll turning and tap turning for virtual reality environments
Publication Date: 2019.10.29 MICROSOFT TECHNOLOGY LICENSING LLC
  • US10460524B2 patent drawing
  • US10460524B2 patent drawing
  • US10460524B2 patent drawing

AI summary

Technologies are described for providing turning in virtual reality environments. For example, some implementations use roll turning that involves rotating around an outer edge of a control input, some implementations use tap turning to move directly to a location indicated by a control movement, and some implementations involve combinations of roll turning and tap turning.