发明名称 |
Speaker cover sheet |
摘要 |
A speaker front sheet capable of providing a sound outlet structure well matched in finishing with a cabinet of an apparatus equipped with a speaker is disclosed, wherein a plain gauze fabric is bonded on the front surface of a perforated sheet having a porosity greater than 30% and an adhesive layer is applied to the back surface of the perforated sheet. |
申请公布号 |
GB2249454(B) |
申请公布日期 |
1994.08.31 |
申请号 |
GB19910022552 |
申请日期 |
1991.10.24 |
申请人 |
* MATSUSHITA ELECTRIC INDUSTRIAL CO LTD |
发明人 |
TOMIO * SHIOTA;TOSHIHARU * HIKIDA |
分类号 |
H04N5/64;H04R1/02;(IPC1-7):H04R1/02 |
主分类号 |
H04N5/64 |
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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