Earphone Gesture Recognition Using Electromagnetic Signal Reflection
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Solution Overview
Problem
Conventional earphones require physical buttons for controlling voice messages, which can be inconvenient when hands are dirty or occupied, limiting user interaction, especially for wireless earphones without volume buttons.
Innovation Solution
An earphone device with gesture recognition functions, incorporating a gesture recognition element, signal transmission unit, and voice output element, utilizing a transmission unit, reception chain, and processing unit to detect and recognize gestures, generating controlling signals for electronic devices to output voice messages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If physical buttons are used for controlling voice messages, then the control function is reliable, but the ease of operation deteriorates when hands are dirty or occupied
Solution Approach 1:
The patent replaces the mechanical button-pressing system with a gesture recognition system using transmission and reception units. The transmission unit emits signals that detect gestures in space, converting mechanical interaction into wireless gesture-based control, thereby solving the contradiction between ease of operation and control reliability
Solution Approach 2:
The patent introduces gesture signals as an intermediary between the user and the electronic device. Instead of direct physical contact with buttons, users perform gestures in space that are detected and converted into control commands, providing contactless control while maintaining reliability
2Adaptability or versatility
If wireless earphones are used without physical volume buttons, then the device portability is improved, but the ease of operation deteriorates for volume control
Solution Approach 1:
The patent makes the gesture recognition system universal by enabling it to perform multiple functions including volume control, playback control, and other voice message operations. The same transmission and reception units that provide portability also deliver comprehensive control functionality, eliminating the need for physical buttons
Solution Approach 2:
The patent replaces the mechanical volume button with a gesture-based volume control system. The transmission unit detects gesture signals in space, and the reception unit converts them into volume control commands, maintaining full control functionality while preserving wireless portability
3Ease of operation
If gesture recognition is implemented, then the ease of operation is improved for contactless control, but the device complexity increases
Solution Approach 1:
The patent merges the gesture recognition functionality into the existing earphone device by integrating transmission and reception units with the voice output element. This combination allows gesture control without requiring separate external devices, balancing enhanced ease of operation with controlled device 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
Enables users to control voice messages and electronic device functions through gestures, providing a wide sensing range and accurate recognition, regardless of earphone position, enhancing convenience and usability.
Implementation Method 1
The transmission unit transmits a transmission signal T to detect the gesture. The reception chain 12 receives a gesture signal H to generate the feature map data D1 corresponding to the gesture signal H. The gesture signal H is generated by reflecting the transmission signal T from the gesture.
Data Source
AI summary
An earphone device having gesture recognition functions includes a gesture recognition element, a signal transmission unit, and a voice output element. The gesture recognition element includes a transmission unit, a reception chain and a processing unit. The transmission unit transmits a transmission signal to detect the gesture. The reception chain receives a gesture signal to generate a feature map data. The processing unit is coupled to the reception chain for receiving the feature map data and utilizes an identification algorithm to recognize gesture according to the feature map data to generate a gesture controlling signal. The signal transmission unit receives and transmits the gesture controlling signal to an electronic device. The processing unit receives a controlling action generated by the electronic device according to the gesture controlling signal via the signal transmission unit. The electronic device generates a voice message according to the controlling action and broadcasts the voice message.