WIRELESS CHARGER
First Claim
Patent Images
1. An apparatus for wirelessly charging a receiver comprising:
- a coil having one or more taps;
each of said taps being connected to a transmitter; and
a controller capable of directing said transmitter to provide charging energy via that portion of said coil energized via a selected tap.
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Accused Products
Abstract
A wireless charger is disclosed. The charger contains a coil with a plurality of taps, thereby facilitating charging according to different frequencies and standards. Detection of the standard appropriate to a particular receiver may be accomplished by modulation of the power carrier or via low power modalities, including NFC or Bluetooth.
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Citations
9 Claims
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1. An apparatus for wirelessly charging a receiver comprising:
- a coil having one or more taps;
each of said taps being connected to a transmitter; and
a controller capable of directing said transmitter to provide charging energy via that portion of said coil energized via a selected tap. - View Dependent Claims (2, 3, 4, 5, 6, 7, 9)
- a coil having one or more taps;
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8. An apparatus for wirelessly charging a receiver comprising:
- a coil with a plurality of taps, each of said taps defining a respective portion of said coil;
a plurality of switches, each of said switches being connected to a respective tap;
a plurality of transmitters, each of said transmitters being connectable to a respective tap by closing said respective switch;
a controller adapted to;
(i) close a selected switch;
(ii) choose a respective transmitter and cause said transmitter to transmit charging energy through said selected switch and thereby energize said respective portion of said coil;
(iii) cause said respective transmitter to transmit a modulated communication signal.
- a coil with a plurality of taps, each of said taps defining a respective portion of said coil;
Specification