Motorized Earplug Hearing Protection System
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Solution Overview
Problem
Existing hearing protection devices, such as earplugs and noise-cancelling earplugs, either block ambient sound when not needed or fail to provide natural sound amplification, leading to discomfort and reduced hearing efficiency for users, particularly in situations like hunting where natural sound awareness is crucial.
Innovation Solution
A hearing protection system with earplugs that can displace between an open and closed position based on a trigger mechanism, allowing natural ambient sound to be heard until the device is needed, using sensors to detect the position of a firearm and automatically switching to a closed position to reduce noise exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional earplugs are used to protect hearing from loud noise, then hearing protection is provided, but ambient sound is blocked and the user cannot hear natural sounds
Solution Approach 1:
The earplug system transitions from a static blocked state to a dynamic system that can switch between open and closed positions. The earplug is displaceable between an open position (allowing natural sound) and a closed position (blocking loud noise), controlled by a trigger mechanism that responds to firearm detection, thereby dynamically adjusting hearing protection based on environmental conditions
Solution Approach 2:
The system performs preliminary detection of firearm presence using sensors before the loud noise occurs. The trigger mechanism is pre-configured to automatically displace the earplug to the closed position when a firearm is detected, providing hearing protection in advance before the actual shot is fired, while maintaining natural hearing during non-threatening periods
2Object-affected harmful factors
If noise cancelling earplugs are used to block loud noise, then hearing protection is provided, but the sound is distorted and not natural
Solution Approach 1:
The invention extracts the harmful loud noise through physical blocking by the earplug material itself, rather than using electronic noise cancellation processing. The earplug mechanically prevents loud sounds from entering the ear canal while allowing natural ambient sounds to pass through unaltered when in the open position, thereby protecting hearing without distorting sound quality
3Object-affected harmful factors
If earplugs remain in the ears continuously for protection, then hearing is protected from loud noise, but the user cannot hear ambient sounds like game location or verbal communication
Solution Approach 1:
The earplug system serves itself by automatically responding to environmental conditions through the trigger mechanism. The sensors detect firearm presence and automatically control the earplug displacement without requiring manual user intervention, allowing the user to maintain natural hearing during normal activities while automatically receiving protection when needed, eliminating the need for continuous manual management
4Object-affected harmful factors
If earplugs are kept in the ears for prolonged periods, then hearing protection is maintained, but heat dissipation is prevented causing discomfort and overheating
Solution Approach 1:
The earplug system implements periodic action by alternating between being inserted in the ear (during firearm events) and removed (during normal activities). The trigger mechanism controls this periodic insertion and removal based on detected firearm presence, providing hearing protection only when needed while allowing ears to remain open for heat dissipation and comfort during non-threatening periods
Data Source
AI summary
A hearing protection system including an earplug moveably displaceable in a plane covering an ear of a user from an open position to a closed position in response to a signal received from a trigger mechanism. When in the open position, the earplug is positioned adjacent to the ear of the user to allow the user to hear ambient sound at an unchanged volume. When in the closed position, the earplug is positioned over the ear of the user to at least partly block the ambient sound and allow the user to hear the ambient sound at a reduced volume that is less than the unchanged volume.