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2024
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Invention
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Wireless battery-free magnetic induction earplug with expansion cavity.
A battery-free magnetic ... |
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2019
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Invention
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In-ear noise dosimetry system. An in-ear noise dosimeter in the form of an earplug which senses s... |
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2017
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Invention
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Wireless earplug with improved sensitivity and form factor. An improved wireless communications e... |
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Invention
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Microphone environmental protection device.
A device for protecting a microphone sensing surface... |
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2016
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Invention
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Transmitter with improved sensitivity and shielding. A magnetic field transmitter, especially a t... |
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Invention
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Magnetic field antenna. A magnetic field antenna that provides high efficiency and a compact form... |
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Invention
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Ear defender with concha simulator. A hearing protection system with talk-through having a pair o... |
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Invention
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Wireless communications headset system employing a loop transmitter that fits around the pinna. A... |
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2015
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Invention
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Microphone environmental protection device. A device for protecting a microphone sensing surface,... |
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2014
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Invention
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Hearing protection with sound exposure control and monitoring.
A sound monitoring control for co... |
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Invention
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Microphone environmental protection device. A device for protecting a microphone sensing surface ... |
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2012
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Invention
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Concha-fitting custom earplug with flexible skin and filler material. An earplug which conforms t... |
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2011
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Invention
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Eartip with tether. An eartip made of a resilient body with an eartip core inside the open center... |
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Invention
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Multi-material hearing protection custom earplug.
An earplug formed of a plurality of materials ... |
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Invention
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Earplug |
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Invention
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Earcup for a headset |
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2010
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Invention
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Talk-through listening device channel switching. A talk-through system for hearing protectors suc... |
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2006
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Invention
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Multiple resonator attenuating earplug. A non-vented shell earplug for insertion into the ear can... |
