发明名称 |
Speaker apparatus and waterproof cover therefor |
摘要 |
In order to reduce the possibility of moisture, which has seeped into a door from its lower side, contacting with a speaker and also of air pressure building up behind the speaker and hindering the movement of the diaphragm, a waterproof cover 3 is provided which includes a magnet cover 31 which follows the circumference of a magnet 16, a frame cover 32 which partially overlaps with the magnet cover 31 and follows the circumference of the frame 15 when it is combined with a speaker 2, a first aperture 33 placed between the magnet 16 and the magnet cover 31 and a second aperture 34 placed between the magnet cover 31 and the frame cover 32.
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申请公布号 |
US6128394(A) |
申请公布日期 |
2000.10.03 |
申请号 |
US19980176774 |
申请日期 |
1998.10.22 |
申请人 |
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA;MITSUBISHI DENKI KABUSHKI KAISHA |
发明人 |
HAYAKAWA, FUJIO;YOSHIDA, JUN;SAGA, IKUO;NAKAMURA, TAIZO |
分类号 |
H04R1/00;B60R11/02;H04R1/02;(IPC1-7):H04R25/00 |
主分类号 |
H04R1/00 |
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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