专利名称：Shielded Audio Apparatus
发明人：Antero Johannes TOSSAVAINEN,Veijo
KAJANUS,Jian GUO
申请号：US13908341
申请日：20130603
公开号：US20140355812A1
公开日：
20141204
专利内容由知识产权出版社提供
专利附图：
摘要：An apparatus including a transducer membrane for generating sound waves;and a plate, through which sound waves can pass, at least partially overlaying the transducer membrane configured to produce a magnetically shielded region so to
impede particles reaching the transducer membrane.
申请人：Nokia Corporation
地址：Espoo FI
国籍：FI
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