CPC H02J 50/10 (2016.02) [H02J 50/40 (2016.02); H02M 3/07 (2013.01); H02M 3/24 (2013.01); H02J 2207/20 (2020.01)] | 20 Claims |
1. A wireless charging system for a wearable device, comprising:
a first transmitter comprising:
a first converter coupled to a direct current (DC) power source, and
a first transmitter coil coupled to the first converter, the first transmitter coil to generate a first charging voltage for the wearable device via a first magnetic induction with a receiver coil;
a second transmitter comprising:
a second converter coupled to the DC power source, and
a second transmitter coil coupled to the second converter, the second transmitter coil to generate a second charging voltage for the wearable device via a second magnetic induction with the receiver coil; and
at least one receiver comprising:
the receiver coil to magnetically couple with the first transmitter coil of the first transmitter and the second transmitter coil of the second transmitter;
a rectifier coupled to the receiver coil;
a voltage limiter coupled to the rectifier; and
a charger coupled to the voltage limiter and a battery of the wearable device.
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