Earphone Mode Switching via Eartip Assembly Detection
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Solution Overview
Problem
True wireless stereo earphones face challenges in seamlessly switching between in-ear and half-in-ear modes, leading to sound effect mismatches due to differences in acoustic performance and sealing characteristics between the two modes.
Innovation Solution
An earphone design incorporating a sensing module and controller that detects the assembly state of eartips with the earphone body, allowing automatic identification of the current mode and adjustment of acoustic parameters to match the sound effect accordingly, enabling seamless switching between in-ear and half-in-ear modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the earphone uses a fixed in-ear structure, then sound quality and noise reduction effect are improved, but wearing comfort deteriorates
Solution Approach 1:
The earphone employs a detachable eartip structure that allows dynamic switching between in-ear and half-in-ear modes. The eartip can be removed or attached to transform the earphone structure, enabling users to switch between sealed in-ear mode (for better sound quality and noise reduction) and open half-in-ear mode (for better comfort), thus resolving the contradiction between sound quality and wearing comfort through structural adaptability
2Ease of operation
If the earphone uses a fixed half-in-ear structure, then wearing comfort is improved, but sound quality and noise reduction effect deteriorate
Solution Approach 1:
The detachable eartip design enables the earphone to transform between half-in-ear and in-ear structures. When the eartip is removed, the earphone operates in half-in-ear mode providing comfort; when attached, it switches to in-ear mode providing superior sound quality and noise reduction. This dynamic structural change allows the same device to satisfy both comfort and sound quality requirements under different usage scenarios
3Adaptability or versatility
If the earphone manually switches between in-ear and half-in-ear modes, then adaptability is improved, but ease of operation deteriorates
Solution Approach 1:
The earphone incorporates a sensing module that automatically detects whether the eartip is attached or removed and autonomously switches between in-ear and half-in-ear modes based on the detected state. This self-service mechanism eliminates the need for manual mode switching, thereby maintaining high adaptability while significantly improving ease of operation - users simply attach or remove the eartip without needing to manually change modes
4Ease of operation
If the earphone adds a sensing module and controller, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The earphone replaces manual mechanical mode switching with an automated sensing system. A sensing module (such as a Hall sensor or capacitive sensor) detects the eartip attachment state, and a controller automatically adjusts audio parameters and mode based on the detection results. This substitution of manual operation with automated sensing and control improves ease of operation while the integration of these components into the existing earphone structure minimizes the increase in overall device complexity
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
The solution ensures that the sound effect is automatically matched and adjusted under different earphone modes, enhancing user experience by providing a consistent audio performance across both in-ear and half-in-ear configurations.
Implementation Method 1
One or more magnetic members are embedded in a mounting portion of the first eartip. The sensing module is arranged on an inner cavity wall of the earphone body and configured to sense an assembly state between the first eartip and the earphone body
Data Source
Figure 1(a)~1(c)
Figure 1(d)~1(e)
Figure 1(f)~2(a)
AI summary
The present invention relates to an earphone, a method and a device for controlling the earphone, an electronic apparatus (800) and a storage medium. The earphone includes an earphone body (1), a first eartip (2), a sensing module (3) and a controller (90). The earphone has an in-ear earphone structure when the first eartip (2) is mounted on the earphone body (1). The sensing module (3) is arranged on an inner cavity wall of the earphone body (1), and configured to sense an assembly state between the first eartip (2) and the earphone body (1). The controller (90) is coupled to the sensing module (3), and configured to obtain the assembly state output by the sensing module (3), identify a current earphone mode of the earphone according to the assembly state, and adjust an acoustic parameter of the earphone according to the current earphone mode.