发明名称 |
Headphone adaptation and positioning device |
摘要 |
An adaptation device that removably attaches to earbud style headphone/s and provides improved security and retention of the earbud to a wearer's ear yet positions the speaker in substantially the same distance relative to the concha and/or ear canal of a wearer as a wearer would ordinarily wear an earbud. |
申请公布号 |
US8428289(B2) |
申请公布日期 |
2013.04.23 |
申请号 |
US20080133435 |
申请日期 |
2008.06.05 |
申请人 |
WENGREEN ERIC JOHN;INNOVELIS, INC. |
发明人 |
WENGREEN ERIC JOHN |
分类号 |
H04R1/00 |
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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