| 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 | US9020175(B2) | 申请公布日期 | 2015.04.28 |
| 申请号 | US201113327834 | 申请日期 | 2011.12.16 |
| 申请人 | BlackBerry Limited | 发明人 | Hawker Larry Edward;Lorenz Christian |
| 分类号 | H04R25/00;H04M1/725;H04M1/02;H04M1/03 | 主分类号 | H04R25/00 |
| 代理机构 | Ridout & Maybee LLP | 代理人 | Ridout & Maybee LLP |
| 主权项 | 1. An electrical assembly, comprising: a printed circuit board (PCB) including a body comprised of multiple layers having at least one signal trace on one of the multiple layers; a hearing aid compatibility (HAC) coil located in the body of the PCB and electrically coupled to the at least one signal trace, wherein the HAC coil comprises one or more traces formed on one or more of the multiple layers of the body; and a ferrite core located in the body of the PCB for amplifying a magnetic field generated by the HAC coil, wherein the ferrite core has a cross-sectional area which is substantially the same or larger than a cross-sectional area of HAC coil. | ||
| 地址 | Waterloo CA | ||