Method and apparatus for wirelessly recharging batteries
First Claim
Patent Images
1. A wireless charging unit for a mobile device unit comprising:
- an interface surface for the mobile device unit to be positioned upon;
a power transmitter device configured to transmit power wirelessly to the mobile device unit when the mobile device unit is positioned upon the interface surface to charge the mobile device unit;
a power connector plug configured to receive external power from an external power outlet for powering the power transmitter device;
a sensor circuit configured to;
detect when the mobile device unit has been positioned within a distance away from the interface surface, anddetect when the mobile device unit has been removed from the interface surface beyond the distance away from the interface surface;
a switch electrically coupled to the power connector plug and configured to;
enable reception of the external power by the power connector plug from the external power outlet in response to the sensor circuit detecting that the mobile device unit has been positioned within the distance of the interface surface, anddisable reception of the external power by the power connector plug from the external power outlet in response to the sensor circuit detecting that the mobile device unit has been removed from the interface surface beyond the distance; and
a battery configured to power the sensor circuit when the switch has disabled the reception of the external power by the power connector plug from the external power outlet.
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Accused Products
Abstract
A wireless charging unit for a mobile device unit. The wireless charging unit may include an interface surface for the mobile device unit to be positioned upon, and a power transmitter device configured to transmit power wirelessly to the mobile device unit when the mobile device unit is positioned upon the interface surface to charge the mobile device unit. A switch may be electrically coupled to a power connector plug and configured to disable reception of power by the power connector plug from a power outlet in response to a sensor circuit detecting that the mobile device unit has been removed from the interface surface to a distance.
11 Citations
17 Claims
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1. A wireless charging unit for a mobile device unit comprising:
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an interface surface for the mobile device unit to be positioned upon; a power transmitter device configured to transmit power wirelessly to the mobile device unit when the mobile device unit is positioned upon the interface surface to charge the mobile device unit; a power connector plug configured to receive external power from an external power outlet for powering the power transmitter device; a sensor circuit configured to; detect when the mobile device unit has been positioned within a distance away from the interface surface, and detect when the mobile device unit has been removed from the interface surface beyond the distance away from the interface surface; a switch electrically coupled to the power connector plug and configured to; enable reception of the external power by the power connector plug from the external power outlet in response to the sensor circuit detecting that the mobile device unit has been positioned within the distance of the interface surface, and disable reception of the external power by the power connector plug from the external power outlet in response to the sensor circuit detecting that the mobile device unit has been removed from the interface surface beyond the distance; and a battery configured to power the sensor circuit when the switch has disabled the reception of the external power by the power connector plug from the external power outlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system for wirelessly charging a mobile device comprising:
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a power receiver device configured to couple to the mobile device and receive power wirelessly for charging the mobile device; an interface surface for the power receiver device to be positioned upon; a power transmitter device configured to transmit power wirelessly to the power receiver device when the power receiver device is positioned upon the interface surface; a power connector plug configured to receive external power from an external power outlet for powering the power transmitter device; a sensor circuit configured to; detect when the mobile device has been positioned within a distance of the interface surface, and detect when the mobile device has been removed from the interface surface beyond the distance away from the interface surface; a switch electrically coupled to the power connector plug and configured to; enable reception of the external power by the power connector plug from the external power outlet in response to the sensor circuit detecting that the mobile device unit has been positioned within the distance of the interface surface, and disable reception of power by the power connector plug from the power outlet in response to the sensor circuit detecting that the mobile device has been removed from the interface surface to the distance; and a battery configured to power the sensor circuit when the switch has disabled the reception of the external power by the power connector plug from the external power outlet. - View Dependent Claims (13, 14, 15, 16)
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17. A method for wirelessly charging a mobile device unit comprising:
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detecting, by a sensor circuit powered by a battery, when the mobile device unit has been positioned on an interface surface of a wireless charging unit; automatically enabling the wireless charging unit to receive power from an external power source in response to the mobile device unit being positioned on the interface surface, the external power source being positioned external to the wireless charging unit; charging the mobile device unit wirelessly using a power transmission device of the wireless charging unit, the power transmission device receiving power for charging the mobile device unit from the external power source; detecting, by the sensor circuit, when the mobile device unit has been removed from the interface surface to a distance; and automatically disabling the wireless charging unit from receiving power from the external power source in response to the mobile device unit being removed from the interface surface to the distance.
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Specification