<p>The present invention provides a charger for inductively charging one or more battery powered appliances simultaneously. The charger comprises an external unit adapted to inductively provide power to the battery powered appliances, the external unit comprising: two or more primary coil pairs that are arranged in a circular pattern; an AC power source for providing an alternating current (AC) to the primary coil pairs for generating a rotating magnetic field between respective primary coils of the primary coil pairs; and a processor for driving the AC power source, wherein the one or more battery powered appliances are adapted to be arranged inside the circular pattern of the external unit, each appliance comprising a secondary coil for enclosing part of the magnetic field and in response generating a current for charging the battery of the appliance.</p>
申请公布号
WO2010026528(A3)
申请公布日期
2010.07.01
申请号
WO2009IB53802
申请日期
2009.09.01
申请人
KONINKLIJKE PHILIPS ELECTRONICS N.V.;ETTES, WILHELMUS;VISSER, ROBERT, P.;VAN DER LINDEN, JACOB, A.
发明人
ETTES, WILHELMUS;VISSER, ROBERT, P.;VAN DER LINDEN, JACOB, A.