Stereo Headphones with Internal Memory for Interference-Free Playback
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
High-end stereo headphones face issues with listening quality due to wireless interference, battery life preservation, fragility, comfort, ergonomics, and the inability to share music tracks in real-time, while existing solutions complicate production and do not ensure robustness or security against theft.
Innovation Solution
A stereo headphone with internal memory for audio file storage, adjustable headband, shape memory foam for comfort, and NFC for easy pairing, along with a method for real-time content sharing and authentication using a unique identifier, allowing users to listen independently and securely share music tracks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless connection is used for music playback, then convenience is improved, but listening quality deteriorates due to interference from electrical equipment
Solution Approach 1:
The system segments the audio playback function into two independent paths: wireless reception from remote devices and local playback from internal memory. This allows users to switch between paths depending on interference conditions, maintaining both convenience and reliability.
Solution Approach 2:
The headphone acts as an intermediary device that can receive audio wirelessly or play locally stored audio. The internal memory serves as a backup intermediary when wireless transmission is disrupted by interference, ensuring continuous high-quality playback.
2Use of energy by moving object
If wireless streaming is used, then battery life of portable device is preserved, but configuration complexity increases
Solution Approach 1:
Audio files are pre-loaded into the headphone's internal memory before playback. This preliminary action eliminates the need for complex real-time wireless streaming configuration, allowing simple local playback that conserves portable device battery life.
3Volume of moving object
If double articulation is added to fold earpieces, then bulk reduction is improved, but manufacturing complexity and fragility increase
Solution Approach 1:
The complex double articulation mechanism is extracted and replaced with a simpler single articulation design. The earpiece housing is extracted as a separate modular component that can be independently manufactured and assembled, reducing overall manufacturing complexity while maintaining foldable functionality.
4Reliability
If internal memory is added for audio storage, then listening quality is improved by eliminating wireless dependency, but device complexity increases
Solution Approach 1:
The headphone is designed with multi-functionality to play audio from both wireless sources and internal memory storage. This universal capability allows the device to adapt to different usage scenarios, improving reliability by eliminating wireless dependency when needed while maintaining operational simplicity through integrated control.
5Reliability
If authentication system is implemented, then security is improved, but ease of operation deteriorates
Solution Approach 1:
The authentication system operates autonomously in the background, automatically verifying device identity and user credentials without requiring manual intervention. This self-service approach maintains security while preserving ease of operation, as users simply use the headphone normally after initial pairing.
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
The solution provides reliable listening quality, preserves battery life, enhances robustness and comfort, enables real-time music sharing, and ensures secure authentication, addressing the limitations of existing headphones.
Implementation Method 1
shape memory foam for comfort
Data Source
AI summary
Stereo headphone and methods for content sharing and for authentication. The stereo headphone includes two earpieces each having a housing, at least one electronic circuit housed in the housing of at least one of the earpieces, configured to allow the headphone to be paired with a remote terminal such as a cellular telephone and to establish a wireless link therewith. The electronic circuit includes an internal memory with more than 32 GB of capacity, an audio player making it possible to play audio files, in particular those saved in this internal memory, and an interface making it possible to select, as the source to be broadcast in the earpieces, the audio player of the headphone or the paired terminal.