Magnetic Coupling Sensor for Wireless Sound Control
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Solution Overview
Problem
Conventional sound output devices, such as headsets and earphones, face challenges in user convenience due to the small size of control buttons, making it difficult for users to properly operate them.
Innovation Solution
A sound output device that senses the coupling state, separation distance, and separation time between its components and uses this information to control the sound output function wirelessly, eliminating the need for separate operation buttons by integrating sensors and a communication module to transmit control information to an electronic device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a magnet is embedded in the sound output device to couple both ends, then the device can be assembled and held together, but the control button becomes small in size making it difficult for users to operate
Solution Approach 1:
The patent replaces the mechanical button pressing system with a magnetic field sensing system. The sensor detects changes in magnetic field strength caused by the relative movement of coupling magnets, automatically generating control signals without requiring physical button pressing. This substitution eliminates the need for large buttons while maintaining ease of operation.
Solution Approach 2:
The system uses the inherent magnetic coupling mechanism between the two ends of the sound output device to simultaneously achieve both mechanical assembly and control functionality. The same magnets that hold the device together also serve as the control input mechanism through their magnetic field changes, making the system self-sufficient.
2Volume of moving object
If the sound output device is made compact, then portability is improved, but the control button size decreases making it harder to use
Solution Approach 1:
The patent replaces the mechanical button system with a magnetic sensing system that requires no physical space for button operation. The sensor detects magnetic field changes from the coupling magnets, allowing control functionality to be integrated into the compact device structure without compromising operability.
Solution Approach 2:
The magnetic coupling mechanism serves multiple functions simultaneously: it provides mechanical assembly, maintains device structure, and enables control input through magnetic field changes. This multi-functionality allows the device to remain compact while maintaining ease of operation.
3Ease of operation
If separate operation buttons are included, then control functionality is provided, but the device complexity and size increase
Solution Approach 1:
The patent merges the control functionality with the existing magnetic coupling mechanism. The same magnets used for assembling the device also serve as the control input method, eliminating the need for separate buttons and reducing overall device complexity.
Solution Approach 2:
The magnetic coupling components perform multiple functions: mechanical assembly, structural support, and control input. This multi-functionality reduces the number of separate components needed, simplifying the device structure while maintaining full control functionality.
Data Source
AI summary
A sound output device and method are provided. The device includes a first speaker and a second speaker; a first coupling unit and a second coupling unit which can be coupled to the first coupling unit; a sensor module for sensing at least one of a coupling state between the first coupling unit and the second coupling unit, a separation distance, and a separation time; a communication module for forming a communication channel with an electronic device; and a processor for receiving sound information corresponding to a sound output function from the electronic device, generating control information for controlling the sound output function on the basis of at least one of the coupling state between the first coupling unit and the second coupling unit, the separation distance, and the separation time, and transmitting the generated control information to the electronic device.