发明名称 Electrodynamic transducer
摘要 The invention relates to a telephone transmitter (1) having a housing (2) and a holder (3) connected to this housing (2). In this housing there is a mounting body (7), a magnet system (4, 5, 6) and a diaphragm (8). The mounting body (7) is provided with an annular support on which the edge region of the diaphragm (8) rests. Openings (18) are distributed over the entire circumference of the mounting body (7), which openings project into the annular support. <IMAGE>
申请公布号 DE3909353(A1) 申请公布日期 1990.09.27
申请号 DE19893909353 申请日期 1989.03.22
申请人 FERNSPRECH- UND SIGNALBAU LEHNER & CO KG, 4330 MUELHEIM, DE 发明人 SCHEELE, EDMUND, 1000 BERLIN, DE
分类号 H04R1/22;H04R7/18;H04R9/10 主分类号 H04R1/22
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