Gesture Control via Electromagnetic Signal Power
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Solution Overview
Problem
Conventional user interfaces require dexterity and hand-eye coordination, making them inaccessible or cumbersome for many users, who struggle with button presses, small font sizes, and feature access.
Innovation Solution
A gesture-based user interface system that uses electromagnetic signals to associate movements with commands, allowing users to control devices through gestures, with the power changes in the signals determining the corresponding actions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional user interfaces (keypad, control panel, tactile mouse, touch screen) are used, then device control functionality is provided, but user accessibility and ease of operation deteriorate due to requirements for dexterity and hand-eye coordination
Solution Approach 1:
The patent replaces mechanical input devices (keypad, mouse, touch screen) with a gesture-based control system that uses electromagnetic signals to detect body movements. The controller receives electromagnetic signals from a transmitter worn by the user, measures power variations corresponding to gesture movements, and executes commands without requiring physical button presses or hand-eye coordination.
Solution Approach 2:
The patent introduces a transmitter device worn by the user as an intermediary between the user's body movements and the controller. The transmitter converts mechanical gestures into electromagnetic signals that the controller can process, serving as a mediator that translates physical motion into digital commands without requiring direct interaction with traditional interfaces.
2Loss of information
If small font sizes and detailed controls are used in conventional interfaces, then information display capability is improved, but usability deteriorates for users with visual impairments or coordination difficulties
Solution Approach 1:
The patent eliminates the need for visual interaction with small fonts and detailed controls by replacing the visual interface with a motion-based control system. Users perform gestures that are detected through electromagnetic signal power measurements, allowing full device control without visual acuity or fine motor coordination.
3Measurement precision
If traditional button presses and precise movements are required, then control precision is maintained, but ease of operation deteriorates for users lacking dexterity
Solution Approach 1:
The patent replaces precise mechanical button presses with gesture-based control where the transmitter detects body movements through electromagnetic signal power variations. The system measures power changes over time to distinguish different gestures, maintaining control precision through signal processing rather than mechanical precision.
Solution Approach 2:
The patent uses changes in electromagnetic signal power as a parameter to detect and distinguish different gestures. By measuring power variations over time and associating specific power change patterns with specific commands, the system achieves precise control recognition without requiring precise mechanical input from the user.
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 users to control devices effortlessly using gestures, improving accessibility and usability by allowing control of various functions, such as volume changes and channel switching, through recognized movements.
Implementation Method 1
a transmitter sends an electromagnetic signal or wave to a controller
Data Source
AI summary
Gesture control uses electromagnetic power signatures. A signal is received and a power of the signal is determined. The power is associated to a command, and the command is executed in response to a gesture.