发明名称 METHODS AND DEVICES FOR HEARING DAMAGE NOTIFICATION AND INTERVENTION II
摘要 At least one exemplary embodiment is directed to a method of monitoring sound pressure level comprising: measuring a first sound pressure level in the ear canal; measuring a second sound pressure level out of the ear canal; calculating a first sound pressure level dose using the first sound pressure level, where if the first sound pressure level is below a permissable sound level a recovery function is used to calculate the first sound pressure level dose; and calculating a second sound pressure level dose using the second sound pressure level.
申请公布号 WO2008064230(A3) 申请公布日期 2008.08.28
申请号 WO2007US85250 申请日期 2007.11.20
申请人 PERSONICS HOLDINGS INC. 发明人 GOLDSTEIN, STEVEN, W.;KEADY, JOHN, PATRICK
分类号 A61F11/06 主分类号 A61F11/06
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