Wireless Earphone UWB Tracking and Fast Charging Case
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Solution Overview
Problem
Conventional wireless earphones face issues with rapid loss due to miniaturization, limited battery capacity leading to reduced use time, and the need for efficient location tracking and fast charging solutions.
Innovation Solution
Integration of an ultra-wideband (UWB) antenna for accurate location tracking and a wireless power reception module with a Litz wire reception coil to enhance charging efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If wireless earphones are miniaturized, then portability and wearability are improved, but loss rate increases due to smaller size making them harder to locate
Solution Approach 1:
The patent introduces an intermediary location detection system comprising a transmitter in the earphone and a receiver in the electronic device. This mediator system bridges the gap between the miniaturized earphone and the user, enabling location tracking without increasing the physical size of the earphone itself.
2Duration of action of moving object
If battery capacity is increased to extend use time, then duration of action is improved, but mounting space requirements increase which conflicts with miniaturization
Solution Approach 1:
The patent implements dynamic power management through adaptive sampling rates for the location detection system. The system dynamically adjusts its operational characteristics based on conditions, enabling extended functionality without proportionally increasing power consumption and battery size requirements.
3Measurement precision
If multiple antenna patterns are integrated for location tracking, then location tracking accuracy is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple antenna patterns (first, second, and third patterns) into a single integrated location detection system. By merging these patterns and using their combined signals, the system achieves improved location tracking accuracy while managing complexity through unified signal processing rather than separate independent systems.
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
Improves location tracking accuracy, reduces loss risk, enhances charging efficiency, and maintains manufacturing cost-effectiveness by optimizing antenna and coil design.
Implementation Method 1
a wireless power reception module with a Litz wire reception coil to enhance charging efficiency
Data Source
AI summary
Provided is a wireless ear module having a UWB antenna to easily obtain location information of a wireless ear module case and ear modules. The wireless ear module comprises: ear modules for receiving and playing a sound source signal from an electronic device; and a case comprising an upper housing and a lower housing which are rotatably coupled, and for storing the ear modules. The ear modules and/or the case transmit a location positioning signal, and the location positioning signal is a signal for sensing the distance and direction from the electronic device to the ear modules or the case.