发明名称 MODULAR VOICE AMPLIFICATION SYSTEM FOR PROTECTIVE MASK
摘要 Disclosed is a modular voice amplification system for a protective mask that allows connection of a single amplifier assembly to masks of varying configurations through minimal adjustment of the system. Adapter plates in the form of mounting brackets are provided, each of which is configured for attachment to the single amplifier assembly, but is individually configured for attachment to protective masks of varying configurations through differing attachment mechanisms provided on each adapter plate.
申请公布号 WO2015175955(A1) 申请公布日期 2015.11.19
申请号 WO2015US31114 申请日期 2015.05.15
申请人 D. WHEATLEY ENTERPRISES, INC. 发明人 WHEATLEY, DAVID;HULBERT, PATRICK
分类号 A62B18/02;H04B1/38;H04B1/46;H04R5/02 主分类号 A62B18/02
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