Wireless Earphone Wear Detection via Electromagnetic Signal Interruption
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional wireless earphones continue to consume power unnecessarily when not in use, leading to shortened battery life and environmental impact due to continuous sound broadcasting.
Innovation Solution
A wireless earphone system with a first signal sensor to detect environment light, an electromagnetic signal transmitter to send an interruptible signal, and a controller to enable or disable sound broadcasting based on signal detection, ensuring power-saving by determining if the earphone is in use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the wireless ear phone continues to execute sound broadcasting operation when the user takes it off, then the user can conveniently handle other tasks without needing to issue a pause command, but the electrical power is continuously consumed leading to unnecessary power consumption
Solution Approach 1:
The wireless ear phone automatically detects whether it is worn by the user through the signal sensor and electromagnetic signal interaction, and autonomously controls the sound broadcasting operation without requiring user input. The system serves itself by using the ear structure as part of the detection mechanism, eliminating the need for manual pause commands while preventing unnecessary power consumption.
2Reliability
If the wireless ear phone continuously consumes power for sound broadcasting, then the sound playback function remains available, but the battery operating life is shortened and environmental damage occurs
Solution Approach 1:
The system uses a feedback mechanism where the signal sensor detects electromagnetic signals transmitted by the ear structure, and this detection result is fed back to the controller to automatically control the sound broadcasting operation. This closed-loop feedback ensures the ear phone only operates when needed (when worn by a user), maintaining reliability while extending battery life by preventing continuous power consumption.
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
Effectively prevents unnecessary power consumption by accurately disabling sound broadcasting when the earphone is not in use, thereby extending battery life and reducing environmental impact.
Implementation Method 1
a first signal sensor which generates an environment light detection result by detecting an environment light
Implementation Method 2
an electromagnetic signal transmitter which transmits an interruptible electromagnetic signal
Implementation Method 3
a second signal sensor which generates an electromagnetic signal detection result by detecting whether the interruptible electromagnetic signal or the environment light is received
Data Source
AI summary
A wireless ear phone and a sound broadcasting method thereof are provided. The wireless ear phone includes a first signal sensor, an electromagnetic signal transmitter, a second signal sensor and a controller. The first signal sensor generates an environment light detection result by detecting an environment light. The electromagnetic signal transmitter transmits an interruptible electromagnetic signal. The second signal sensor is disposed on a transmission path of the interruptible electromagnetic signal, and the second signal sensor generates an electromagnetic signal detection result by detecting whether the interruptible electromagnetic signal or the environment light is received. The controller enables or disables an operation of sound broadcasting of the wireless ear phone according to the electromagnetic signal detection result. When the wireless ear phone is put into an ear of a user, the transmission path is cut-off by the ear of the user.