Adjustable Ear Attenuator Headset for Continuous Noise Control
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Solution Overview
Problem
Existing ear protection devices lack the ability to adjust sound attenuation levels continuously and quickly, which can impede communication and increase the risk of auditory disorders due to auditory deprivation, and often compromise sound quality or introduce noise artifacts.
Innovation Solution
A variable ear attenuator headset with a control element that allows for continuous adjustment of sound attenuation from zero to maximum without removal, using a blocking member that can be physically or electronically controlled to manage sound passage through the earcup, enabling flexible noise protection and communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed attenuation ear protectors are used, then hearing protection is provided, but the user cannot adjust to varying noise levels or communicate effectively
Solution Approach 1:
The patent implements a dynamic attenuation control system where a rotating control element (knob) mechanically adjusts the position of an attenuating disc within the earcup passageway. This mechanical dynamic system allows continuous adjustment of attenuation levels from maximum to minimum, enabling adaptation to varying noise environments without electronic complexity.
Solution Approach 2:
The patent changes the physical parameter of sound attenuation by moving the attenuating disc to different positions within the passageway. The degree of disc insertion into the passageway directly controls the attenuation parameter, allowing users to adjust from complete blockage to minimal obstruction based on environmental noise levels.
2Object-affected harmful factors
If noise-cancelling systems are used, then sound protection is provided, but sound quality deteriorates and hissing sounds are introduced
Solution Approach 1:
The patent extracts the harmful electronic noise-cancelling system and replaces it with a passive mechanical attenuation approach. By removing the electronic amplification and processing components, the patent eliminates the source of hissing sounds and sound quality degradation while maintaining protective functionality through physical sound blockage.
Solution Approach 2:
The patent employs a simple, inexpensive passive attenuating disc made of basic acoustic absorption material rather than complex electronic noise-cancelling technology. This simpler, less expensive solution provides adequate protection without introducing electronic artifacts like hissing sounds.
3Reliability
If maximum attenuation is applied continuously, then hearing protection is maximized, but auditory deprivation occurs increasing risk of hearing disorders
Solution Approach 1:
The patent implements a dynamic attenuation system that allows users to adjust the level of protection based on real-time environmental conditions. By making attenuation adjustable rather than fixed at maximum, the system prevents auditory deprivation while maintaining protection reliability when high attenuation is actually needed.
Solution Approach 2:
The patent enables continuous adjustment of the attenuation parameter to match environmental noise levels. This prevents the harmful effect of excessive attenuation in low-noise environments while maintaining adequate protection in high-noise settings, thereby preventing auditory deprivation and associated hearing disorders.
4Device complexity
If passive ear protectors are used, then simple construction is maintained, but attenuation cannot be adjusted without removing the device
Solution Approach 1:
The patent integrates multiple functions into a single device: the earcup structure provides both the housing and the sound passageway, while the control element on the earcup simultaneously serves as both the adjustment mechanism and the interface for the attenuating disc. This multi-functionality maintains simplicity while enabling easy adjustment.
Solution Approach 2:
The patent implements a self-contained adjustment system where the control element is directly integrated into the earcup structure itself. Users can adjust attenuation levels by simply rotating the control knob on the earcup without needing external tools or removing the device, making the adjustment process self-service and intuitively accessible.
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 adjust sound protection according to environmental noise levels, maintaining communication while preventing auditory disorders and improving sound quality by allowing variable, continuous attenuation without the drawbacks of noise-cancelling systems.
Implementation Method 1
a passageway through the at least one earcup allowing for sound to pass through
Data Source
AI summary
An ear attenuator headset that allows a user to adjust the amount of attenuation in a variable, continuous fashion from zero attenuation to maximum attenuation without removing the device from a user's head. The ear attenuator headset includes a passageway, the passageway allowing for sound to pass through the headset and a control element, the control element able to control the amount of sound that passes through the passageway of the ear attenuator headset. The ear attenuator can be used in headsets, headphones, and earbuds where electronic sounds are transmitted and added variable attenuation is also available for the consumer to take advantage of for reduction of the external environmental sounds.