发明名称 Protective helmet with removable microphone - is for two=way communication by radio mounted behind inner lining of helmet
摘要 <p>The helmet is provided with a built-in microphone (10) which is removable. It is situated in an opening (8; 11) of the support/holder (6; 2) and is set into position by friction. The invention allows two-way radio conversation. The microphone is completely covered on the inside by the inner lining of the protective helmet. The surfaces adjoining the 2 way microphone in the holder (7, 2) are of an elasticed fabric, as is the holder itself. It could be either rubber or synthetic. The holder (7) clicks into the opening provided (5) on the helmet (1).</p>
申请公布号 DE2730712(A1) 申请公布日期 1979.01.18
申请号 DE19772730712 申请日期 1977.07.07
申请人 KOELB,GERD,ING. 发明人 KOELB,GERD,ING.
分类号 A42B3/30;(IPC1-7):42B3/00 主分类号 A42B3/30
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