发明名称 Passive sound gathering apparatus
摘要 A head worn sound gathering apparatus having a pair of sound gathering horns with rearward facing apertures. Each sound gathering horn includes a tapered sound channeling tube portion which communicates with an ear covering. Sound received through the rearward facing apertures is amplified and directed to the ear coverings wherein the sounds reach the ears of a wearer. The sound gathering horns and ear covers are preferably worn in association with a helmet such as a cyclist helmet.
申请公布号 US5696356(A) 申请公布日期 1997.12.09
申请号 US19960612165 申请日期 1996.03.07
申请人 OP-D-OP, INC. 发明人 DUDLEY, JAMES P.;FIELDS, KYLE D.;LANDIS, TIMOTHY J.
分类号 A42B3/30;A61F11/00;H04R1/10;(IPC1-7):H04R25/00;A42B1/08 主分类号 A42B3/30
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