Wireless power transmitter
First Claim
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1. A wireless power transmitter comprising:
- a coil and a capacitor configured to transmit wireless power to a wireless power receiver,wherein the coil includes a plurality of cells and a core that connects the cells with each other,wherein each cell of the plurality of cells is adjacent to at least one other cell of the plurality of cells,wherein each of the cells and the core are configured as one conductive wire,wherein the plurality of cells comprises a plurality of first cells and a plurality of second cells,wherein a direction of a magnetic field formed by each first cell of the plurality of first cells is different from a direction of a magnetic field foimed by each second cell of the plurality of second cells,wherein the plurality of first cells and the plurality of second cells are adjacent to each other and connected to each other through the core, andwherein the first cells and the second cells are connected to the core in an alternating fashion.
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Abstract
A wireless power transmitter according to an embodiment includes a coil and a capacitor which resonate with a wireless power receiver. The coil includes a plurality of cell groups and a core which connects the cell groups with each other. Each of the cell groups includes a plurality of cells. Each of the cells is configured such that magnetic field generated by currents flowing through the cells are formed in a same direction. Each of the cell groups is adjacent to at least one cell group. Each of the cell groups and the core are configured as one conductive wire.
23 Citations
8 Claims
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1. A wireless power transmitter comprising:
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a coil and a capacitor configured to transmit wireless power to a wireless power receiver, wherein the coil includes a plurality of cells and a core that connects the cells with each other, wherein each cell of the plurality of cells is adjacent to at least one other cell of the plurality of cells, wherein each of the cells and the core are configured as one conductive wire, wherein the plurality of cells comprises a plurality of first cells and a plurality of second cells, wherein a direction of a magnetic field formed by each first cell of the plurality of first cells is different from a direction of a magnetic field foimed by each second cell of the plurality of second cells, wherein the plurality of first cells and the plurality of second cells are adjacent to each other and connected to each other through the core, and wherein the first cells and the second cells are connected to the core in an alternating fashion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification
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Current AssigneeNera Innovations Limited (Atlantic IP Services Limited)
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Original AssigneeLG Innotek Company Limited (LG Corporation)
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InventorsJung, Woo Kil, Lee, Jung Oh
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Primary Examiner(s)Barnie, Rexford
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Assistant Examiner(s)DHILLON, JAGDEEP S
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Application NumberUS15/048,211Publication NumberTime in Patent Office760 DaysField of Search307104, 336 83, 336 65, 336 90- 96, 336107, 336192, 336200, 336220-223, 429121, 3332192, 320108, 320107, 219676US Class CurrentCPC Class CodesH01F 38/14 Inductive couplings for wir...H02J 50/12 of the resonant typeH02J 50/402 the two or more transmittin...H02J 7/00 Circuit arrangements for ch...H04B 5/00 Near-field transmission sys...H04B 5/24 Inductive couplingH04B 5/79 for data transfer in combin...
