发明名称 PORTABLE ELECTRONIC DEVICE WHICH PROVIDES HEARING AID COMPATIBILITY
摘要 A portable electronic device which provides hearing aid compatibility and a printed circuit board (PCB) for use in a portable electronic device are provided. The PCB comprises a body having at least one signal trace, a hearing aid compatibility (HAC) coil located in the body and electrically coupled to the at least one signal trace, and a ferrite core located in the body for amplifying a magnetic field generated by the HAC coil.
申请公布号 CA2762403(A1) 申请公布日期 2012.06.17
申请号 CA20112762403 申请日期 2011.12.16
申请人 RESEARCH IN MOTION LIMITED 发明人 HAWKER, LARRY EDWARD;LORENZ, CHRISTIAN
分类号 H04R25/00;H04M1/03 主分类号 H04R25/00
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