发明名称 |
Communication device having air-borne and solid-borne transmitting and receiving devices |
摘要 |
An air-borne converting device and a solid-borne converting device is provided in a case. The air-borne converting device has a loudspeaker for converting an electric signal into an air-borne sound, and a microphone for converting air-borne sound into an electric signal. The solid-borne device has a loudspeaker for converting an electric signal into solid-borne sound and a microphone for converting solid-borne sound into an electric signal.
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申请公布号 |
US5511132(A) |
申请公布日期 |
1996.04.23 |
申请号 |
US19940318518 |
申请日期 |
1994.10.05 |
申请人 |
PIONEER ELECTRONIC CORPORATION |
发明人 |
YOSHIMI, TOSHIKAZU |
分类号 |
H04B1/38;H04R1/10;(IPC1-7):H04R25/00 |
主分类号 |
H04B1/38 |
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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