INVISIBLE WIRELESS EARPHONES WITH RARE EARH MAGNET
摘要
<p>An audio signal transmission system comprising an amplifier means, a transmission means and a speaker means, said speaker system consisting of one or more pieces of magnetic material.</p>
申请公布号
WO2008068724(A1)
申请公布日期
2008.06.12
申请号
WO2007IB54952
申请日期
2007.12.06
申请人
NANO MAGIC TECHNOLOGIES SARL;MOUAWAD, CHADY MOUHIB;BREIDY, GEORGE YOUSSEF;DAGHER, CARL ASSAD
