COIL DEVICE, AND WIRELESS POWER TRANSMITTER AND WIRELESS POWER RECEIVER HAVING THE SAME
First Claim
Patent Images
1. A coil device, comprising:
- a case having a reception space and varying a charging area upon a user'"'"'s selection; and
a coil part, having, in the reception space of the case, a coil body formed of a wound conductor having a predetermined length, wherein a gap between turns of the wound conductor of the coil body varies as the charging area of the case varies.
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Abstract
A coil device may be capable of varying the gap of a coil so that several devices may be wirelessly charged simultaneously or a single device may be wirelessly charged with concentrated power. The coil device may include: a case having a reception space and varying a charging area upon a user'"'"'s selection; and a coil part, having, in the reception space of the case, a coil body formed of a wound conductor having a predetermined length. A gap of the wound conductor of the coil body varies as the charging area of the case varies.
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Citations
19 Claims
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1. A coil device, comprising:
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a case having a reception space and varying a charging area upon a user'"'"'s selection; and a coil part, having, in the reception space of the case, a coil body formed of a wound conductor having a predetermined length, wherein a gap between turns of the wound conductor of the coil body varies as the charging area of the case varies. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wireless power transmitter, comprising:
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a case having a reception space and varying a charging area upon a user'"'"'s selection; a coil part, having, in the reception space of the case, a coil body formed of a wound conductor having a predetermined length, wherein a gap between turns of the wound conductor of the coil body varies as the charging area of the case varies such that the coil part wirelessly transmits power; and a power supplying unit supplying power to the coil part. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A wireless power receiver, comprising:
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a case having a reception space and varying a charging area upon a user'"'"'s selection; a coil part, having, in the reception space of the case, a coil body formed of a wound conductor having a predetermined length, wherein a gap between turns of the wound conductor of the coil body varies as the charging area of the case varies such that the coil part wirelessly receives power; and a connection unit transmitting the power received in the coil part to an external device. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification