Wearable Earbud Control With Auditory Feedback and Gesture Sensing
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Solution Overview
Problem
Current ear-worn devices, such as hearing aids and wireless earbuds, suffer from poor user interfaces that limit functionality and require visual interaction, making it inconvenient to adjust settings in noisy environments.
Innovation Solution
A wearable control system with a wireless remote-control device that uses sensors to detect hand operations, providing auditory and haptic feedback to control ear-worn devices without visual inspection, allowing for intuitive and reliable operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If tactile buttons are used on earbuds for control, then user interaction capability is improved, but device comfort deteriorates due to discomfort from pressing buttons pushing the device against the ear
Solution Approach 1:
The patent replaces mechanical tactile buttons with touch-sensitive surfaces that detect finger contact through capacitive sensing. This allows users to control earbuds by touching or swiping on the outer surface without applying inward pressure, eliminating the discomfort of buttons pushing against the ear while maintaining full interaction capability.
2Ease of operation
If touch sensors are used on earbuds for control, then ease of operation is improved, but reliability deteriorates due to false positives and unintentional activation when adjusting earbud position
Solution Approach 1:
The patent inverts the control logic by requiring a specific swipe gesture direction (e.g., upward swipe) to activate play/pause, rather than triggering on any touch. This directional requirement distinguishes intentional control actions from incidental contact during position adjustment, significantly reducing false positives while maintaining ease of use.
3Adaptability or versatility
If smartphone applications are used for advanced control of earbuds, then functionality is improved, but ease of operation deteriorates as users must remove the smartphone and look at it, taking attention away from the environment
Solution Approach 1:
The patent implements a multi-functional control system where the earbuds themselves serve as the control interface for multiple functions (play/pause, track navigation, volume control, call management). This eliminates the need to switch to a smartphone application for basic control operations, allowing users to manage audio functions directly from the earbuds while maintaining awareness of their environment.
4Adaptability or versatility
If multiple buttons are provided on ear-worn devices for different functions, then adaptability is improved, but device complexity increases due to limited real estate on the device
Solution Approach 1:
The patent transitions from a one-dimensional array of physical buttons to a two-dimensional touch-sensitive surface on the outer earbud. This surface can detect multiple simultaneous touch points and gesture directions, enabling complex multi-function control without adding physical buttons. Users can perform different operations by varying touch location, duration, and movement pattern on the same surface area.
Data Source
AI summary
The invention is related to a wearable control system (1) configured to control an ear-worn device (5). The wearable control system (1) comprises at least a first processor (71) configured to execute a computer programme, comprising instructions related to a plurality of user-selection elements, and to receive a user input. The wearable control system (1) comprises a wearable remote-control device (10, 12) comprising a wireless interface configured to communicate with the ear-worn device (5), and a user interface comprising at least one sensor (20) configured to sense an operation of a user and configured to output a signal indicative of the detected operation. The first processor (71) is further configured to receive the signal from the user interface and to convert the signal from a user input to generate and transmit an information on a state of a user-selection element and causing the ear-worn device (5) to present that information to the user (100) by auditory display being indicative of the state of the at least one user-selection element.