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Method for Achieving Spectrum-Tunable and Uniform Attenuation in Earplug
This invention comprises a non-electric, passive method and device for establishing a spectrally-tunable attenuation profile, including most notably a near-flat or uniform attenuation profile, for an ear insert device, such as an earplug used for protecting the ear against the harmful effects of noise. As such, as compared to conventional passive hearing...
Published: 9/20/2012   |   Inventor(s): John Casali, Kichol Lee, John Keady
Keywords(s):  
Category(s): Devices