DUST PROTECTION OF SOUND TRANSDUCER

专利名称：DUST PROTECTION OF SOUND

TRANSDUCER

发明人：SOININEN, Toni,SORONEN,

Petri,HUTTUNEN, Heikki,KELLONIEMI,Marko

申请号：EP16192052.5申请日：20120822公开号：EP3139625A1公开日：20170308

专利附图：

摘要：An apparatus comprising a housing comprising a sound hole, a sound transducer

in the housing, where the sound transducer comprises a permanent magnet, and amagnetic dust collection system for collecting dust which enters the sound hole andpreventing the dust from reaching the sound transducer. The magnetic duct collectionsystem comprises a dust barrier between the sound hole and the permanent magnet anda magnetic field of the permanent magnet being orientated across a sound aperture,formed by the housing and the dust barrier, to magnetically pull dust against the dustbarrier.

申请人：Nokia Technologies OY

地址：Karaportti 3 02610 Espoo FI

国籍：FI

代理机构：Berggren Oy, Helsinki & Oulu

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