Patent ID: 8531153
Filing Date: 2013-09-10
Classification: H02J

Abstract:
1. A wireless charging system comprising: an inductive power supply for supplying wireless power; and a remote device separable from said inductive power supply, wherein said remote device includes a secondary power circuit, a charge storage capacitor, a charging subcircuit, and a battery, said secondary power circuit is electrically connected to said charge storage capacitor and said secondary power circuit is configured to receive wireless power from said inductive power supply and rapidly charge said charge storage capacitor, said charging subcircuit is electrically connected to said charge storage capacitor and said battery, wherein said charging subcircuit is configured to charge said battery with power stored in said charge storage capacitor; wherein said secondary power circuit is configured to open the current path from said secondary power circuit to said charge storage capacitor in response to said charge storage capacitor reaching a predetermined voltage.