发明名称 HANDSET LEAK-TOLERANT RECEIVER
摘要 To provide leak tolerance an acoustic system for an acoustic receiver comprises a loudspeaker, a front cavity, a rear cavity and an acoustic connection. The loudspeaker has a front area and a rear area opposite the front area the front area having an openingthrough which sound is output. The front cavity is in proximity to the front area of the loudspeaker, the openingoutputting into the front cavity, and the front cavity having a port to the exterior of the acoustic receiver. The rear cavity is in proximity to the rear area of the loudspeaker. The acoustic connection is between the front cavity and the rear cavity. In some embodiments, the rear cavity comprises an acoustic leak to the exterior of the rear cavity.
申请公布号 CA2733433(A1) 申请公布日期 2011.10.30
申请号 CA20112733433 申请日期 2011.03.07
申请人 RESEARCH IN MOTION LIMITED 发明人 MOQUIN, PHILIPPE GILBERT JACQUES JOSEPH;VAN SCHYNDEL, ANDRE JOHN
分类号 H04R1/02;H04M1/03 主分类号 H04R1/02
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