Detachable Earphone Speaker Module for Custom Audio
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Solution Overview
Problem
Conventional earphone apparatuses are fixed in structure, requiring users to purchase and carry multiple devices for different audio needs, leading to higher expenses and inconvenient usage.
Innovation Solution
A detachable earphone apparatus with a main shell and an expanding speaker device, connected via a connector system, allowing for interchangeable speaker devices to play single or multiple frequency bands, enhancing sound quality and versatility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the earphone apparatus uses a fixed structure, then the device is simple and reliable, but the user must purchase and carry multiple devices for different audio needs, leading to higher expenses and inconvenient usage
Solution Approach 1:
The earphone apparatus is divided into a main shell and detachable speaker devices. The main shell contains the control unit and microphone, while different speaker devices (e.g., first speaker device with first speaker unit, second speaker device with second speaker unit) can be detached and attached as needed. This segmentation allows users to switch between different audio effects without carrying multiple complete devices.
Solution Approach 2:
The main shell is designed with a universal connector that can interface with multiple types of speaker devices. The control unit is configured to control different speaker devices through the same connector, enabling one main shell to work with multiple speaker devices having different audio effects, thus achieving multi-functionality.
2Adaptability or versatility
If the earphone apparatus uses a detachable mechanism, then the user can customize sound quality and reduce expenses, but the device complexity increases
Solution Approach 1:
The detachable mechanism segments the earphone into a main shell and interchangeable speaker devices. Each speaker device has its own connector with corresponding electrodes that interface with the main shell's connector, enabling easy attachment and detachment while maintaining electrical connection for customized sound quality.
Solution Approach 2:
The connector acts as an intermediary between the main shell and speaker devices. It includes first and second connectors with alignment structures that ensure proper electrical connection when speaker devices are attached or detached, simplifying the interaction between components.
3Adaptability or versatility
If the expanding speaker device is detachably connected, then the earphone apparatus can play sounds in multiple frequency bands, but the alignment and electrical connection become more complex
Solution Approach 1:
The alignment structures on the connectors are designed with asymmetric features that ensure proper orientation and positioning when the expanding speaker device is attached to the main shell. This asymmetric design guarantees accurate alignment of electrodes and electrical connections, reducing the precision requirements during manufacturing.
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 customize sound quality by detachably assembling or removing the expanding speaker device, facilitating sound playback in various frequency bands, thus improving audio experience and reducing the need for multiple earphone devices.
Implementation Method 1
The speaker device is disposed in the main shell, and receives a sound signal through a signal transmitting wire coupled to the first electrodes
Implementation Method 2
When the second connector is connected to the first connector, the expanding shell and the main shell form a resonance space
Data Source
AI summary
An earphone apparatus includes at least one sound broadcasting device. Each of the sound broadcasting device includes a main shell, a plurality of first electrodes, a speaker device and an expanding speaker device. The main shell has a first connector. The speaker device is disposed in the main shell, and receives a sound signal through a signal transmitting wire coupled to the first electrodes. The expanding speaker device has a second connector, and the expanding speaker device is detachably connected to the first connector through the second connector. When the second connector is connected to the first connector, the expanding speaker device is electronically connected to the first electrodes, and receives the sound signal transmitted by the signal transmitting wire.