Wireless Earpiece Coil for Space-Efficient Recharging
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Solution Overview
Problem
Earpieces face challenges with battery consumption and recharging, particularly due to space constraints from traditional charging connectors, which can complicate design and user convenience, especially when waterproof or water-resistant designs are required.
Innovation Solution
A wireless earpiece design utilizing a coil for both communication and recharging, equipped with a charging circuit that uses electromagnetic waves to recharge the battery, allowing for convenient and space-efficient wireless charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a connector is included for battery recharging, then the battery can be recharged, but the connector takes space that could otherwise be used to improve functionality and complicates the design
Solution Approach 1:
The patent combines the communication coil and charging coil into a single integrated coil structure. This merging eliminates the need for separate charging connectors while maintaining both communication and recharging functions, directly resolving the space constraint issue.
Solution Approach 2:
The single coil serves multiple functions: it acts as both the communication transceiver antenna and the wireless charging receiver. This multi-functionality eliminates the need for dedicated charging hardware, freeing up space within the earpiece.
2Ease of manufacture
If a connector is included for recharging, then the battery can be recharged, but the earpiece must mate with another connector which is burdensome and inconvenient for users
Solution Approach 1:
The patent replaces the mechanical connector system with a wireless electromagnetic induction system. Users simply place the earpiece on a charging surface with coils, eliminating the need for plugging and unplugging physical connectors, thereby significantly improving ease of operation.
3Ease of manufacture
If connectors are used for recharging, then the battery can be recharged, but the design is further constrained when waterproof or water-resistant features are required
Solution Approach 1:
By replacing the mechanical connector with wireless electromagnetic induction, the patent eliminates the need for openings or seams where water could penetrate. This allows for simpler waterproof sealing of the earpiece housing, reducing design complexity for water resistance.
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 efficient and user-friendly recharging of earpiece batteries without the need for physical connectors, maintaining design flexibility and convenience, even in waterproof or water-resistant configurations.
Implementation Method 1
a charging circuit electrically connected between the coil and the rechargeable battery and configured to charge the rechargeable battery using electromagnetic waves received by the coil
Data Source
AI summary
A wearable device includes a housing, a rechargeable battery disposed within the housing and a short range transceiver for near field communication disposed within the housing. The short range transceiver for near field communications comprises a core and a plurality of coil turns wrapped around the core to thereby form a coil. A charging circuit may electrically connected between the coil and the rechargeable battery and configured to charge the rechargeable battery using electromagnetic waves received by the coil.