专利名称：Plate resonator
发明人：FUCHS; HELMUT,HUNECKE; JOERG,ZHA;
XUEQIN
申请号：US89463997
申请日：19971224
公开号：US5975238A
公开日：
19991102
专利内容由知识产权出版社提供
摘要：PCT No. PCT/EP96/00751 Sec. 371 Date Dec. 24, 1997 Sec. 102(e) Date Dec. 24, 1997 PCT Filed Feb. 23, 1996 PCT Pub. No. WO96/26331 PCT Pub. Date Aug. 29, 1996The invention concerns a plate resonator for absorbing sound and including a thin front plate with high elasticity and low internal friction, e.g., made of metal; a back plate which likewi has high elasticity but which has high internal friction; an all-over solid connection between the front and back plates in the form of a bonded connection (e.g. double-sided adhesive tape); and a border which is clod all around by the back plate but does not prevent sound entering the back plate from the side.
申请人：FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E. V.
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