Smart Ring Tendon Gesture Control for Wearable Interfaces
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Solution Overview
Problem
Current mobile device interfaces, especially on wearable devices and remote control systems, are limited and awkward due to lack of touch real estate and positioning, making interactions such as scrolling, zooming, and text entry cumbersome and inefficient.
Innovation Solution
A smart ring with pressure sensors on the inner surface to detect tendon movements, interpreting these signals to identify finger gestures and transmit them wirelessly to connected devices, allowing for touch and non-touch interactions similar to touch-sensitive displays without the need for physical contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If mobile device interfaces continue to shrink to accommodate wearable devices, then device portability and wearability are improved, but user interaction capability and ease of operation deteriorate due to lack of touch real estate
Solution Approach 1:
The patent transitions from 2D touch screen interaction to 3D spatial gesture recognition. Pressure sensors arranged in a matrix on the wearable device surface detect the position, pressure, and movement of fingers in three-dimensional space, enabling complex gestures that compensate for the limited device surface area.
Solution Approach 2:
The patent introduces an intermediary processing layer that translates physical finger gestures into digital commands. The pressure sensor matrix captures analog pressure distribution data, which is then processed to recognize gesture patterns and convert them into meaningful user inputs for device control.
2Adaptability or versatility
If remote control interfaces become more complex to provide full functionality, then device capability is improved, but ease of operation deteriorates due to requiring extensive maneuvering via simple remote controllers
Solution Approach 1:
The patent implements dynamic gesture recognition that adapts to different contexts and applications. The system recognizes a variety of finger gestures including tapping, sliding, pinching, and rotating motions, allowing users to perform multiple functions with natural hand movements rather than navigating complex button layouts.
3Adaptability or versatility
If text entry functionality is added to remote controls, then device versatility is improved, but ease of operation deteriorates due to requiring keyboard-like capability on simple controllers
Solution Approach 1:
The patent replaces mechanical keyboard input with optical gesture recognition. Pressure sensors detect finger movements and positions, using algorithms to recognize gesture patterns that represent text input, eliminating the need for physical keys while maintaining text entry functionality.
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 intuitive and efficient control of devices through finger gestures, enhancing user interaction on wearable devices and remote control systems by accurately detecting finger movements and actions, providing a seamless interactive experience.
Implementation Method 1
a set of pressure sensors positioned on an inner surface of the finger band and configured to sense changes to tendons of the user's finger as pressure differentials
Data Source
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AI summary
The description relates to smart rings. One example can include a finger band configured to accommodate a user's finger. This example can also include a set of pressure sensors positioned on an inner surface of the finger band and configured to sense changes to tendons of the user's finger as pressure differentials and to output associated signals. The example can further include a gesture component configured to interpret the signals from the set of pressure sensors to identify individual actions performed by the user's finger.