| CPC H01Q 13/18 (2013.01) [H01Q 1/241 (2013.01); H01Q 1/526 (2013.01)] | 9 Claims |

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1. An electronic device, comprising:
a housing comprising a front surface, a rear surface opposite to the front surface, and a side surface surrounding at least a portion of an internal space between the front surface and the rear surface, the side surface comprising a conductive material;
a wireless communication circuit disposed in the internal space; and
an antenna structure including an antenna electrically connected to the wireless communication circuit,
wherein the antenna structure comprises:
an antenna slit formed in an area of the side surface comprising the conductive material and having a longitudinal direction;
a feeder configured to apply a current to the antenna slit;
a conductive member comprising a conductive material connected to the side surface to cover at least a portion of the antenna slit,
wherein the antenna slit comprises:
a first slit area in which the feeder is disposed and at least a portion of the first slit area is open to an outside of the electronic device, wherein the first slit area has a first width vertical to the longitudinal direction;
a second slit area extending from the first slit area in the longitudinal direction and having a width different from that of the first slit area, wherein the second slit area has a second width vertical to the longitudinal direction and the second width narrower than the first width;
a plurality of auxiliary slits formed in an extending direction vertical to the longitudinal direction and communicating with the second slit area,
wherein the plurality of auxiliary slits comprises a first auxiliary slit, a second auxiliary slit and a third auxiliary slit formed to be separate from each other and formed along a longitudinal direction of the second slit area from the first slit area,
wherein the conductive member is disposed to cross the width direction of the second slit area within the second slit area, and the conductive member is disposed only at one of the positions between the first slit area and the first auxiliary slit, or between the first auxiliary slit and the second auxiliary slit, or between the second auxiliary slit and the third auxiliary slit, and a resonance of the antenna slit changes based on an arrangement position of the conductive member with respect to the second slit area;
wherein a dielectric is disposed in the second slit area extending in a direction opposite to the first slit area from the position in which the conductive member is disposed.
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