Mark White, II,William Henry Von Novak, III,Seong Heon Jeong,Cody Wheeland
申请号：
US15459881
公开号：
US20180269709A1
申请日:
2017.03.15
申请国别(地区):
US
年份:
2018
代理人:
摘要：
A wireless charging device includes: a base configured to be worn by a user； and a coil attached to the base and comprising an electrically conductive material shaped to produce a magnetic field to convey power wirelessly to a receiver in response to receiving power, the coil including multiple turns each having a turn length with at least one of the multiple turns having an adjustable turn length, the multiple turns being disposed along a common axis such that each of the multiple turns is disposed around the axis for the respective turn length of the turn.
