发明名称 |
ACOUSTIC PASS THROUGH FOR HANDSETS |
摘要 |
<p>An acoustic pass through is provided in telephone handsets for sounds transmitted from a hands free operation speaker laid out underneath the handset. One or more cutouts in a middle portion of the handset in various shapes such as rectangular, round, elliptical, and similar allows enhanced sound quality when the speakerphone feature is used and flexibility in handset design.</p> |
申请公布号 |
EP2356804(A4) |
申请公布日期 |
2013.01.16 |
申请号 |
EP20090827954 |
申请日期 |
2009.10.23 |
申请人 |
MICROSOFT CORPORATION |
发明人 |
VERTHEIN, WILLIAM G.;LEE, STEPHEN G. |
分类号 |
H04M1/04;G06K1/00;H04M1/03;H04M1/06;H04M1/62 |
主分类号 |
H04M1/04 |
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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