发明名称 |
Small electroacoustic transducer |
摘要 |
The present invention provides a small electroacoustic transducer which is improved in sound characteristic by enlarging and adjusting a volume of a resonance space. A second resonant chamber as an auxiliary space is formed relative to a first resonant chamber formed in front of a resonance plate, wherein the first and second resonant chambers are connected with each other to enlarge the volume of the resonant volume.
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申请公布号 |
US5974157(A) |
申请公布日期 |
1999.10.26 |
申请号 |
US19970824543 |
申请日期 |
1997.03.26 |
申请人 |
STAR MICRONICS CO., LTD. |
发明人 |
TAJIMA, KAZUSHIGE;IMAHORI, YOSHIO;FUSHIMI, ISAO |
分类号 |
G10K9/13;H04R1/28;H04R13/00;(IPC1-7):H04R25/00 |
主分类号 |
G10K9/13 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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