Breath Tracking User Interface for Hands-Free Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current control interfaces for computer systems are either limited in functionality or costly to implement, lacking an intuitive and cost-effective solution for providing directional commands and text input simultaneously.
Innovation Solution
A user interface that utilizes a thermographic camera to detect the direction, timing, and strength of a user's breath as control inputs, eliminating the need for external devices and allowing hands-free operation, with optional auxiliary sensors for enhanced accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If camera-based interfaces are used to track objects in two-dimensions, then the system can provide directional control, but additional cameras or echo-location augmentation are required to track objects in three dimensions, increasing system cost
Solution Approach 1:
The patent replaces complex camera-based 3D tracking systems with a breath-based control interface that uses a single sensor to detect breath direction and intensity. Instead of requiring multiple cameras or echo-location equipment, the system uses breath detection to provide both directional control and text input capabilities, thereby reducing device complexity while maintaining versatility.
Solution Approach 2:
The system uses the user's own breath as the control mechanism, eliminating the need for external tracking devices. The breath itself serves as the input signal, and the system processes this natural human function to derive control commands, thereby avoiding the need for additional hardware augmentation.
2Productivity
If keyboard interfaces are used, then text input is efficient, but directional commands are difficult to enter
Solution Approach 1:
The breath-based interface serves multiple functions simultaneously: it provides directional control through breath direction detection and text input through breath intensity and timing analysis. This multi-functional approach eliminates the need to switch between keyboard for text and separate controls for directional commands, thereby improving ease of operation while maintaining text input efficiency.
Solution Approach 2:
The system maps different breath parameters to different control functions: breath direction (angular position) controls directional movement, breath intensity (amplitude) controls text input speed or selection, and breath timing controls command execution. This parameter mapping allows a single breath-based interface to handle both text input and directional commands efficiently.
3Ease of operation
If joystick or mouse interfaces are used, then directional commands are easy to enter, but text input capability is limited
Solution Approach 1:
The breath-based control system integrates both directional control and text input capabilities into a single interface. By analyzing breath direction, intensity, and timing patterns, the system can simultaneously provide joystick-like directional control and keyboard-like text input, thereby achieving universality that neither joystick nor mouse alone can provide.
Solution Approach 2:
The breath detection system acts as an intermediary that translates natural breath movements into digital control signals. This intermediary process enables the system to interpret breath direction as directional commands and breath characteristics as text input, thereby bridging the gap between simple directional control and complex text input capabilities.
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
Provides intuitive and versatile control for computer applications, enhancing gameplay and other interactive experiences while being cost-effective and reducing the need for additional hardware.
Implementation Method 1
the blowing of a user's breath can be detected through use of a thermal imaging camera
Data Source
AI summary
A blow tracking user interface method and apparatus may detect an orientation of blowing of a user's breath and a magnitude of blowing of the user's breath. A blow vector may be generated from the orientation and magnitude of the blowing of the user's breath. The blow vector may be used as a control input in a computer program.