Magnetic Earbud Pairing for Handling and Power Control
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Solution Overview
Problem
Fully wireless earphones with physically separated left and right sound emitting units are difficult to handle, prone to dropping, and may lead to power wastage due to lack of controlled power supply, posing handling and safety issues.
Innovation Solution
The earphone device features magnetically attachable left and right sound emitting units that connect via magnetic forces, allowing for compact storage and power management, with each unit including a magnet for attachment and a controller for power control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the left and right sound emitting units are physically separated for independent charging and carrying, then each unit can be charged separately and carried independently, but the units become difficult to handle, prone to dropping, and may lead to power wastage
Solution Approach 1:
The patent combines the left and right sound emitting units into a single integrated earphone device that can be worn together, while maintaining the capability to separate them for independent charging. The integrated design allows the units to be handled as one piece during use, improving ease of operation, while still enabling separate charging when placed in the charging case.
2Ease of operation
If the casing is designed to be rounded for comfort, then it fits the auricle better, but the unit becomes difficult to take out of the charging case and may slip from fingers
Solution Approach 1:
The patent applies different surface qualities to different parts of the earphone device. The main body maintains a rounded shape for auricle comfort, while specific gripping portions are designed with enhanced friction coefficients or textured surfaces to improve grip stability and prevent slipping during handling.
3Device complexity
If the power supply is controlled only by charging case accommodation, then automatic charging is simplified, but the units continue to discharge when carried separately without the charging case
Solution Approach 1:
The patent incorporates sensors that detect whether the earphone units are being worn or carried, and provides feedback to the power supply control system. When the units are detected to be carried together without the charging case, the system receives feedback and maintains power supply control to prevent unnecessary discharge, while still allowing automatic charging when placed in the charging case.
4Volume of moving object
If the protruding portion of the casing is small for compact design, then the unit fits the auricle better, but the unit is difficult to take out of the charging case
Solution Approach 1:
The patent designs the gripping portion to protrude in a specific direction that facilitates easy removal from the charging case. By optimizing the protrusion direction and shape in three-dimensional space, the design achieves compact overall volume while providing sufficient gripping surface area for easy handling and removal.
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
This design simplifies handling, reduces the risk of dropping, and ensures efficient power management by maintaining power supply control, enhancing user convenience and safety.
Implementation Method 1
the first sound emitting unit is connected to the second sound emitting unit by magnetic forces of the first magnet and the second magnet
Data Source
AI summary
Provided is an earphone device capable of solving issues arising from the left and right sound emitting units being physically separated. The earphone device 1 includes a first sound emitting unit to be worn on one ear of a user and a second sound emitting unit be worn on the other. The first sound emitting unit includes a first antenna 141, a first driver unit 13, a first storage battery 16, and a first magnet for attachment to the second sound emitting unit. The second sound emitting unit includes a second antenna 241, a second driver unit 23, a second storage battery 26, and a second magnet for attachment to the first sound emitting unit. The first sound emitting unit is physically separable from the second sound emitting unit and the first and second sound emitting units are magnetically attached to each other by the first and second magnets.