Resonant inductive receiver system
AssigneeYank Technologies, Inc.
InventorsJoshua Aaron YANKOWITZ, Vinh CUN, Monika CHAUDHARI
Life of this patent
Estimating the term…
Abstract
The disclosed technology provides a resonant inductive receiver integrated in a wireless power receiver accessory such as a phone case and configured to provide power to an electronic device such as a mobile phone. The power to charge the electronic device is received from a pass-through connector coupled to the receiver accessory when a wired charger is plugged into the connector, or received from a wireless power transmitter when a wired charger is not plugged into the connector and the wireless power receiver is proximate to the wireless power transmitter.
Claims21
A wireless power receiver comprising:
- a wireless charging circuit coupled to a power switch, wherein the wireless charging circuit is configured to receive power from a wireless power transmitter;
- and,
- a wired charging circuit coupled to the power switch, wherein the wired charging circuit is configured to receive power from a power connector coupled to the wired charging circuit,
- wherein the power switch is configured to selectively couple power from the wired charging circuit to a mobile device or from the wireless charging circuit to the mobile device.
A wireless power receiver comprising:
- an alternating current to direct current (AC/DC) converter configured to convert an alternating current (AC) voltage received by a receiving coil to a direct current (DC) voltage;
- a voltage regulator coupled to the AC/DC converter,
- wherein the voltage regulator is configured to generate a regulated voltage from the DC voltage, and
- wherein the regulated voltage is at a pre-determined voltage level;
- and,
- a current limiter coupled to the voltage regulator,
- wherein the current limiter is configured to limit a current of the regulated voltage to a current level selected from a plurality of current levels, and
- wherein the selected current level is determined by a microcontroller based on a voltage level of the DC voltage or a distance between the wireless power receiver and a wireless power transmitter.
A method implemented on a wireless power receiver for supplying power to a mobile device, the method comprising:
- selectively coupling a first charging current from a power connector to the mobile device when a charging cable is connected to the power connector;
- and,
- selectively coupling a second charging current from a wireless charging circuit to the mobile device when the charging cable is not connected to the power connector,
- wherein the wireless charging circuit is configured to receive a power signal from a wireless power transmitter and generate the second charging current from the received power signal.
(canceled)
Dependencies are inferred from the claim text.