发明名称 |
Necklace type detachable three dimensional sound reproduction apparatus |
摘要 |
A necklace type sound reproduction apparatus is disclosed. The apparatus is detachable from a media player to be worn on a neck of a user. An acoustic sound reproduced by a digital amplifier and a speaker of the apparatus is delivered to an ear of the user without using an earphone or a headphone via an audio signal processing. |
申请公布号 |
US8315416(B2) |
申请公布日期 |
2012.11.20 |
申请号 |
US20070769822 |
申请日期 |
2007.06.28 |
申请人 |
LEE DUCK SOO;NEOFIDELITY, INC. |
发明人 |
LEE DUCK SOO |
分类号 |
H04R1/02;H04R9/06 |
主分类号 |
H04R1/02 |
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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