Earbud Gravity Sensing for Left-Right Wear Detection
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Solution Overview
Problem
True wireless stereo earphones intrude into the ear canal, causing discomfort and health issues, and current clip-on earphones lack effective methods to distinguish between left and right ear wearings.
Innovation Solution
Incorporating inertial detectors in earbuds to identify left or right ear wearings based on gravity data, enabling differentiated control events and improving user flexibility and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If clip-on earphones are used instead of in-ear devices, then wearing comfort is improved, but the ability to distinguish between left and right ear wearings is lost
Solution Approach 1:
The patent replaces mechanical asymmetry (physical left-right differentiation) with an inertial detection system. The inertial detector measures gravity direction and movement characteristics to electronically identify whether the earphone is worn on the left or right ear, substituting mechanical design with sensor-based detection.
Solution Approach 2:
The earphone automatically identifies its own wearing position using the inertial detector and gravity data, without requiring user input or manual configuration. The system self-determines whether it is on the left or right ear and automatically adjusts control events accordingly.
2Ease of operation
If symmetric design is used for portability, then ease of operation is improved, but device complexity increases due to need for identification mechanisms
Solution Approach 1:
The inertial detector serves multiple functions: it detects wearing position (left or right ear), monitors movement patterns for control operations, and can potentially track usage habits. This multi-functionality reduces the need for separate identification mechanisms.
Solution Approach 2:
The system uses changes in gravitational parameter detection to determine wearing position. By analyzing the direction and magnitude of gravity vectors captured by the inertial detector, the system identifies left-right orientation without adding complex hardware.
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
Enhances user experience by allowing earbuds to automatically adapt to left or right ear wearings, reducing discomfort and improving portability and audio quality.
Implementation Method 1
The first earbud obtains first gravity data collected by the first inertial detector
Data Source
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AI summary
This application provides an earphone control method and a wearable device, where the method is applied to the wearable device, the wearable device includes a first earbud, and the first earbud includes a first inertial detector. The method includes: The first earbud obtains first gravity data collected by the first inertial detector; and when the first gravity data meets a first condition, the first earbud identifies that the first earbud is worn on a left ear, and executes a control event corresponding to a left earbud attribute; or when the first gravity data meets a second condition, the first earbud identifies that the first earbud is worn on a right ear, and executes a control event corresponding to a right earbud attribute. According to the method, the wearable device may identify that the wearable device is worn on the left ear or the right ear, and execute different control events based on that the wearable device is worn on the left ear or the right ear, thereby improving flexibility of using the wearable device by a user, and improving use experience of wearing the wearable device by the user.