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US 10,531,987 B2Granted
Sound absorbing device of the type adapted to cover the ears of a user
AssigneeRestored Hearing Limited
InventorsAnthony Carolan, Rhona Togher, Eimear O'Carroll
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Abstract
A sound-absorbing device of the type adapted to cover the ears of a user and comprising a sound-absorbing material, wherein the sound-absorbing material comprises of a thixotropic material.
Claims20
A manufacture comprising a sound-absorbing material, said sound-absorbing material comprising a cellular scaffold having cells, wherein said cells contain thixotropic material, and wherein the thixotropic material exhibits a low viscosity drop in response to low intensity noise and disproportionately high viscosity decrease in response to high intensity noise.
Dependencies are inferred from the claim text.