Earbud Charging Electrode Alignment Using Magnetic Centering
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless earbuds require manual alignment and may not charge efficiently when placed in a housing due to misalignment of charging electrodes.
Innovation Solution
The use of magnetic elements in both the earbud and housing to create an attractive force, ensuring precise alignment and efficient charging by centering the power providing electrodes with the charging electrodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual alignment is used for charging, then device complexity is reduced, but charging efficiency and reliability deteriorate due to electrode misalignment
Solution Approach 1:
The patent replaces manual mechanical alignment with a magnetic field-based alignment system. Magnetic elements are integrated into both the earbud and housing, creating an automatic alignment mechanism that guides the charging electrodes into precise contact without requiring manual intervention, thereby improving charging efficiency while adding minimal complexity
Solution Approach 2:
The magnetic alignment system enables the earbud to self-align with the housing automatically when placed inside. The magnetic attraction force naturally guides the charging electrodes into proper alignment, eliminating the need for manual positioning and ensuring reliable charging contact without user intervention
2Manufacturing precision
If magnetic elements are added for alignment, then electrode alignment precision is improved, but device complexity increases
Solution Approach 1:
The magnetic alignment system is segmented into two separate components: magnetic elements in the housing and corresponding magnetic elements in the earbud. This segmentation allows each component to be independently manufactured and assembled, reducing overall complexity while achieving precise alignment through their interaction
Solution Approach 2:
The patent combines the alignment function with the existing charging structure by integrating magnetic elements into both the housing and earbud. This merging of alignment and charging functions into a unified system achieves precise electrode alignment without requiring separate alignment mechanisms, thereby minimizing added 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
Facilitates easy and reliable charging by automatically aligning the earbuds within the housing, enhancing charging efficiency and reducing the need for manual intervention.
Implementation Method 1
the first magnetic element is configured to generate an attractive force for the earbud in combination with a second magnetic element provided in the earbud
Data Source
AI summary
The present disclosure provides to a housing configured to receive an earbud. The housing comprises two power providing charging electrodes configured to charge the earbud when the earbud is positioned in the housing. The housing further comprises a first magnetic element arranged in the housing and having a geometry such that the first magnetic element encircles at least one electrode of the at least two electrodes, where the first magnetic element is configured to generate an attractive force for the earbud in combination with a second magnetic element provided in the earbud.