发明名称 |
Sound reproduction system and device |
摘要 |
A sound frequency reproduction system and apparatus has a chair for a human. A transducer is vibrated by a sound signal of appropriate frequency. The vibrating shaft of the transducer is directly fitted to the framework of the chair. The sound signal is provided to an acoustic device, including a speaker, located near the chair.
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申请公布号 |
US4064376(A) |
申请公布日期 |
1977.12.20 |
申请号 |
US19760673478 |
申请日期 |
1976.04.05 |
申请人 |
BODYSONIC KABUSHIKI KAISHA |
发明人 |
YAMADA, KYOTA |
分类号 |
A61H23/02;H04R1/02;H04R9/06;(IPC1-7):H04R1/02 |
主分类号 |
A61H23/02 |
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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