Method and system for providing induction charging having...

Details Method and system for providing induction charging having... Method and system for providing induction charging having...

2005-07-12

2005-07-12

Tibbits, Pia (Department: 2838)

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

Charger inductively coupled to cell or battery

Reexamination Certificate

active

06917182

ABSTRACT:
A battery charging system (250) for use with an induction charger (210). The battery charging system can include a secondary coil (252) having a plurality of turns for receiving magnetic flux produced by a primary coil (220) of the induction charger, and a control circuit (254) for controlling a number of turns of the secondary coil that are used in generating an output voltage for charging a cell (264). For example, the secondary coil can include a plurality of taps (291, 292, 293, 294), each of the taps providing an electrical connection to the coil at a different point, and thus providing a variety of selectable output voltages.

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