发明名称 REDUCING MAGNETIC FIELD VARIATION IN A CHARGING DEVICE
摘要 Systems and methods may provide for a wireless charging device having a concave-shaped charging platform defining a charging area. The wireless charging device may include a three-dimensional transmitter coil, and at least one additional transmitter coil having a non-uniform spacing within the concave-shaped charging platform to reduce magnetic field variations associated with the three-dimensional transmitter coil.
申请公布号 US2015303733(A1) 申请公布日期 2015.10.22
申请号 US201414319802 申请日期 2014.06.30
申请人 Yang Songnan;Xiao Bin;Koratikere Narayan Janardhan;Kasturi Sreenivas;Elkhouly Essam 发明人 Yang Songnan;Xiao Bin;Koratikere Narayan Janardhan;Kasturi Sreenivas;Elkhouly Essam
分类号 H02J7/02;H01F41/00;H02J7/00;H01F27/28;H01F27/42 主分类号 H02J7/02
代理机构 代理人
主权项 1. A wireless charging device, comprising: a three-dimensional transmitter coil arranged about a charging platform, wherein the three-dimensional transmitter coil comprises: a turn of the coil to conduct an electrical current; anda plurality of additional coil turns to conduct the electrical current, the plurality of coil turns being spaced with a non-uniform spacing to reduce magnetic field variations associated with the three-dimensional transmitter coil in a direction normal to a surface of the charging platform.
地址 San Jose CA US