Headphone Usage Timing With Encrypted User Profiles
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Solution Overview
Problem
Consumer audio devices lack the capability to securely create, maintain, and use data due to power and cost constraints, limiting their functionality and security features.
Innovation Solution
Incorporating a timer and encryption member into audio devices to manage usage time and prevent unauthorized access, while generating secure user data like hearing profiles, and ensuring secure communication through encryption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additional electronic components (timer, encryption member) are added to audio devices, then security and timing capability are improved, but device complexity and cost increase
Solution Approach 1:
The patent combines the timer and encryption member functions into integrated circuitry within the audio device, merging multiple security and timing functions into a unified component structure. This reduces the number of discrete components needed while maintaining enhanced security capabilities.
Solution Approach 2:
The encryption member is designed to perform multiple functions including data encryption, authentication, and secure key management. The timer component also serves dual purposes by tracking both usage time for licensing and providing timing information for security protocols, thereby reducing overall device complexity through multi-functional components.
2Reliability
If additional electronic components are added to audio devices, then timing capability and security are improved, but power consumption increases
Solution Approach 1:
The encryption member operates periodically rather than continuously, activating only when data transmission or authentication is required. The timer component is synchronized with the audio playback intervals, updating and verifying timing information only when needed, thereby significantly reducing overall power consumption compared to continuous operation.
Solution Approach 2:
The encryption member utilizes the existing audio signal processing infrastructure and power management systems of the audio device, leveraging available resources rather than requiring entirely separate power supplies. The timer component shares computational resources with the main processor, reducing redundant power consumption.
3Reliability
If usage time is strictly enforced to prevent unauthorized access, then security is improved, but user convenience deteriorates
Solution Approach 1:
The system performs preliminary authentication and timing verification before allowing audio playback to begin. Usage time limits and authorization checks are established in advance, so that during actual playback, the process flows smoothly without interruptions. This preliminary validation maintains security while ensuring user convenience during the listening experience.
Solution Approach 2:
The timer component provides continuous feedback to the control logic about remaining usage time and authorization status. This feedback mechanism enables the system to automatically manage playback termination and renewal processes, maintaining strict security enforcement while providing users with clear information about their usage status and options for extending access.
Data Source
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AI summary
Presented here is an audio device, such as a headphone, that can create, maintain and use secure data. The secure data can include an amount of time that the user has used the audio device and/or an amount of time allocated to the user. When the amount of time the user has used the audio device exceeds the amount of time allocated to the user, the audio device can stop emitting the audio. The secure data can also include a hearing profile of the user, which ca uniquely identify the user. The secure data associated with the headphone can be encrypted to prevent tampering.