发明名称 Electroacoustic transducer comprising a closing member
摘要 In an electroacoustic transducer (1) having a diaphragm (5) and a partition (24) situated behind the diaphragm (5), which partition is traversed by partition openings (25, 26, 27, 28, 29, 30, 31, 32) to provide communication between a space (34) situated between the diaphragm (5) and one side (33) of the partition (24) and a space (36) situated at the other side (35) of the partition (24), a magnet system (16) situated at least partly within the space (36) at the other side (35) of the partition (24), and a closing member (44) for closing, at the back, the space (36) situated at the other side (35) of the partition (24), the closing member (44) has an opening (45) by which the closing member (44) is mounted on the outer circumferential surface (46) of the magnet system (16) with an acoustically sealed fit.
申请公布号 US5727077(A) 申请公布日期 1998.03.10
申请号 US19960772189 申请日期 1996.12.20
申请人 U. S. PHILIPS CORPORATION 发明人 FRASL, EWALD
分类号 H04R9/02;H04R9/06;(IPC1-7):H04R25/00 主分类号 H04R9/02
代理机构 代理人
主权项
地址