Wireless power transfer device for charging mobile/portable devices
First Claim
1. A wireless mobile/portable device charging system, comprising:
- a charging device having a housing with a groove for receiving the mobile/portable device for charging, a magnetic core located in the housing, the magnetic core has a base and two legs that are located around the groove, and a coil wrapped around the base, and a driver circuit is connected to the coil and to an external power source;
a power receiver adapted to be located on a mobile/portable device in an area that is engagable in the groove of the charging device, the power receiver including a receiver magnetic core, a receiving coil wrapped around the receiving magnetic core for receiving an inductive current, and a charging circuit connected to the receiving coil and adapted to be connected to a battery of the mobile/portable device.
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Accused Products
Abstract
A charging system having a charging device with a groove for receiving a mobile/portable device for charging is provided having a magnetic core located in a housing of the charging device with the magnetic core having a base and two legs that are located around the groove. A coil is wrapped around the base and a driver circuit is connected to the coil as well as to an external power source. A power receiver is located in a mobile/portable device that can be placed in the groove in the charging device. The power receiver includes a receiver magnetic core as well as a receiving coil wrapped around the receiver magnetic core for receiving an inductive current from the charging device. A charging circuit is connected to the receiving coil and adapted to be connected to the battery of the mobile/portable device for charging.
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Citations
35 Claims
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1. A wireless mobile/portable device charging system, comprising:
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a charging device having a housing with a groove for receiving the mobile/portable device for charging, a magnetic core located in the housing, the magnetic core has a base and two legs that are located around the groove, and a coil wrapped around the base, and a driver circuit is connected to the coil and to an external power source; a power receiver adapted to be located on a mobile/portable device in an area that is engagable in the groove of the charging device, the power receiver including a receiver magnetic core, a receiving coil wrapped around the receiving magnetic core for receiving an inductive current, and a charging circuit connected to the receiving coil and adapted to be connected to a battery of the mobile/portable device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A wireless charging device adapted to charge a mobile/portable device including an inductive power receiver, the charging device comprising:
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a housing that has a groove for receiving the mobile/portable device for charging; a magnetic core located in the housing, the magnetic core has a base and two legs that are located around the groove; a coil wrapped around the base of the magnetic core for generating an inductive magnetic field; and a driver circuit connected to the coil and to an external power source. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. A method for wirelessly charging a mobile/portable device that includes an inductive power receiver, comprising:
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providing a charging device having a housing that has a groove for receiving the mobile/portable device for charging, a magnetic core has a base and two legs is located around the groove, a coil is wrapped around the base of the magnetic core for generating an inductive magnetic field, and a driver circuit is connected to the coil and to an external power source; placing a mobile/portable device including a power receiver in the groove of the charging device so that the power receiver is located in the groove, the power receiver including a receiver magnetic core, a receiving coil wrapped around the receiver magnetic core for receiving an inductive current, and a charging circuit connected to the receiving coil and to a battery of the mobile/portable device, the mobile/portable device being positionable anywhere along the groove; and charging the battery of the device via an inductive charge generated in the receiving coil from the charging device. - View Dependent Claims (27)
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28. A mobile/portable device adapted to be charged using a wireless charging device, the mobile/portable device comprising:
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at least two power receivers located in a device housing, the power receivers each including a receiver magnetic core, and the power receivers being located along one or more edges of the housing; a charging circuit connected to the at least two power receivers; and a battery connected to the charging circuit. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35)
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Specification