Headset Channel Conversion via Articulated Switches
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Solution Overview
Problem
Existing headphones have an unreasonable structure design, causing the left and right channels to output different audio content or fail to distinguish ambient sound, leading to user loss of audio content.
Innovation Solution
A channel-convertible headphone design with articulated switches and electronic contacts that allow the left and right speakers to output the same audio content, switching between single and double channels by turning the switch, ensuring easy control and cost-effective structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional headphone structure is used, then left and right channels output different audio content, but this causes user loss of audio content and inability to distinguish ambient sound
Solution Approach 1:
The headphone employs articulated switches that allow dynamic reconfiguration of the audio signal path. The switches can be rotated to different positions, dynamically changing the connection topology between the audio source, left speaker, right speaker, and ground, thereby enabling conversion between single-channel and dual-channel modes adaptively
Solution Approach 2:
The headphone design integrates multiple functions into a single device: it can operate in dual-channel stereo mode for normal audio playback, and in single-channel mode for ambient sound recognition. The same physical hardware (speakers, switches, circuitry) serves both functions, eliminating the need for separate devices
2Adaptability or versatility
If articulated switches are added to enable channel conversion, then channel convertibility is improved, but device complexity increases
Solution Approach 1:
The control mechanism is divided into two independent articulated switches instead of one complex multi-position switch. Each switch handles a specific connection function (one switch controls left speaker connection, the other controls right speaker connection), simplifying the design of each individual switch while achieving the overall channel conversion functionality
Solution Approach 2:
The patent introduces electronic contacts and resistors as intermediary elements between the switches and the audio circuitry. These intermediaries facilitate the switching action and provide necessary electrical connections, making the overall system more manageable and easier to implement than direct switch-to-speaker connections
Data Source
AI summary
A type of channel-convertible headphone is disclosed in the utility model which comprises: The left speaker, the first articulated switch, the second articulated switch, the right speaker, the left channel input terminal and the right channel input terminal, wherein, the first articulated switch is provided with the first and the second electronic contact and the second articulated switch with the third and the fourth electronic contact which can switch off or on the connection; the left speaker is connected to the third electronic contact through the first electronic contact and the second electronic contact to the right speaker through the fourth electronic contact; the left channel input terminal is connected to the left speaker through the first electronic contact and the right channel input terminal to the right speaker through the second electronic contact. Application of the channel-convertible headphone of the utility model can maintain the left and right channels in such a manner that they output same audio content and realize conversion between signal and double channels by turning the headphone switch and build a reasonable structure for easy control of the cost.