发明名称 Electroacoustic transducer
摘要 An electroacoustic transducer has a front air chamber in front of the diaphragm that vibrates upon receiving sound waves or produces sound waves upon vibration and a back air chamber provided in the rear of the diaphragm. The electroacoustic transducer of the present invention further includes an auxiliary air chamber that is provided in the rear of the back air chamber that is coupled thereto by through holes. The auxiliary air chamber is divided into at least two smaller air chambers which are coupled to each other by a small orifice.
申请公布号 US4637489(A) 申请公布日期 1987.01.20
申请号 US19850772535 申请日期 1985.09.04
申请人 NIPPON KEMIKON;KOIDE, HIDEO 发明人 IWANAKA, MASAYA;KAJIWARA, SEIJI
分类号 H04R1/08;H04R1/22;H04R1/28;H04R19/04;(IPC1-7):G10K13/00 主分类号 H04R1/08
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