发明名称 Electromagnetic transducer
摘要 An electromagnetic transducer wherein magnetic forces are transmitted via an armature that has an elongated regular, or serpentine, tubular shape, and that is positioned within the air gap of a tubular shaped magnetic rim type structure having the same general overall shape as the armature. When used as an electroacoustic transducer, the armature is secured to the peripheral edge of a diaphragm.
申请公布号 US3979566(A) 申请公布日期 1976.09.07
申请号 US19730424001 申请日期 1973.12.12
申请人 WILLY, ERAZM ALFRED 发明人 WILLY, ERAZM ALFRED
分类号 H04R9/02;H04R9/04;H04R9/06;(IPC1-7):H04R7/18 主分类号 H04R9/02
代理机构 代理人
主权项
地址