发明名称 Flexurally rigid plate, particularly calotte for a sound transducer
摘要 In a plate (P) which, in particular, is suitable as loudspeaker calotte, the wall thickness (K) continuously initially increases from the inside towards the outer edge over half (R0/2) the plate radius and then decreases again. <IMAGE>
申请公布号 DE3622526(A1) 申请公布日期 1988.01.14
申请号 DE19863622526 申请日期 1986.07.04
申请人 ANT NACHRICHTENTECHNIK GMBH 发明人 KRUEGER,HELMUT,DIPL.-ING.
分类号 H04R7/12;(IPC1-7):H04R7/04 主分类号 H04R7/12
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