Abstract: An electronic device according to an embodiment may comprise: a housing including a first slit having a length corresponding to a first frequency and a second slit extending from one point of the first slit in a different direction from the first slit and having a length corresponding to a second frequency, and configured to resonate at the first frequency and the second frequency by the first slit and the second slit; a printed circuit board disposed in the housing and at least partially made of a non-conductive material in regions corresponding to the first slit and the second slit; and a power supply unit for supplying power through one point of the housing, adjacent to the first slit or the second slit. Various other embodiments recognized from the specification are also possible.

Abstract: An electronic device is provided. The electronic device includes a housing including a first plate, a second plate facing the first plate, and a side member surrounding a space between the first plate and the second plate and a circuit board, which is accommodated inside a housing and in which a wireless communication circuit is disposed. The second plate includes a slot filled with a non-conductive material. An area other than the slot is formed of a conductive material. The circuit board includes a conductive pattern formed on the circuit board along with the slot of the second plate, and the wireless communication circuit is configured to feed one point of the second plate adjacent to the slot to receive a signal of a first frequency band through an electrical path formed by the slot and to feed the conductive pattern to receive a signal of a second frequency band through the slot.

Abstract: An antenna device for an electronic device for wireless communication is provided. The antenna device includes an antenna area connected to a feeding line and a ground line, such that the antenna area is configured to transmit/receive a signal of a first frequency band; and a branching feeding pattern branching from the feeding line and connected to one side of the antenna area, such that the branching feeding pattern is configured to enable the antenna area to transmit/receive a signal of a second frequency band.

Abstract: An electronic device according to an embodiment may comprise: a housing including a first slit having a length corresponding to a first frequency and a second slit extending from one point of the first slit in a different direction from the first slit and having a length corresponding to a second frequency, and configured to resonate at the first frequency and the second frequency by the first slit and the second slit; a printed circuit board disposed in the housing and at least partially made of a non-conductive material in regions corresponding to the first slit and the second slit; and a power supply unit for supplying power through one point of the housing, adjacent to the first slit or the second slit. Various other embodiments recognized from the specification are also possible.

Abstract: An electronic device is provided. The electronic device includes a housing including a first plate, a second plate facing the first plate, and a side member surrounding a space between the first plate and the second plate and a circuit board, which is accommodated inside a housing and in which a wireless communication circuit is disposed. The second plate includes a slot filled with a non-conductive material. An area other than the slot is formed of a conductive material. The circuit board includes a conductive pattern formed on the circuit board along with the slot of the second plate, and the wireless communication circuit is configured to feed one point of the second plate adjacent to the slot to receive a signal of a first frequency band through an electrical path formed by the slot and to feed the conductive pattern to receive a signal of a second frequency band through the slot.

Abstract: A multi-band antenna is provided. The multi-band antenna includes a plurality of radiator patterns that are configured to operate according to different frequency bands, a plurality of feeding units that are respectively connected to different contact points of the antenna radiator for connecting feeding units of the plurality of feeding units to at least one radiator pattern included in the plurality of radiator patterns, and a switching unit configured to switch between feeding units of the plurality of feeding units for connecting at least one radiator pattern included in the plurality of radiator patterns to the switched feeding unit.

Abstract: An electronic device including a plurality of antennas is provided. The electronic device includes a first radiator including at least one matching block that is connected with a ground area and at least one side of the first radiator. The first radiator is configured to transmit and receive a first frequency signal through a first antenna resonance length corresponding to a first area of the first radiator, and to transmit and receive a second frequency signal through a second antenna resonance length corresponding to a second area opposite to the first area. A second radiator is connected with the ground area and is configured to transmit and receive a third frequency signal through a third antenna resonance length corresponding to a third area adjacent to the first radiator.

Abstract: An antenna device that uses an exterior metal frame is provided. The antenna includes a Printed Circuit Board (PCB); a plurality of segment-type exterior metal frames spaced apart from the PCB; a feeding portion connected to one metal frame of the plurality of segment-type exterior metal frames; and a slit located between the PCB and the one metal frame, wherein the one metal frame fed through the feeding portion operates with radiation, or the slit operates with radiator, or another exterior metal frame fed through the feeding portion operates with radiation.

Abstract: An electronic device including a plurality of antennas is provided. The electronic device includes a first radiator including at least one matching block that is connected with a ground area and at least one side of the first radiator. The first radiator is configured to transmit and receive a first frequency signal through a first antenna resonance length corresponding to a first area of the first radiator, and to transmit and receive a second frequency signal through a second antenna resonance length corresponding to a second area opposite to the first area. A second radiator is connected with the ground area and is configured to transmit and receive a third frequency signal through a third antenna resonance length corresponding to a third area adjacent to the first radiator.

Abstract: An interface connector includes a connection terminal unit configured to be connected with an external connector, and a metallic shell configured to enclose the connection terminal unit. The metallic shell includes a first shell unit, in which the connection terminal unit is mounted, and which is grounded with a printed circuit board, and a second shell unit mounted to be separated and spaced from the first shell unit. An electronic device comprises a connection terminal unit configured to be connected with an external connector and a metallic shell configured to enclose the connection terminal unit, wherein the metallic shell comprises a first shell unit in which the connection terminal unit is mounted, and a second shell unit mounted to be separated and spaced from the first shell unit.

Abstract: A communication terminal and an antenna apparatus of the communication terminal are provided. The communication terminal includes a body having a circuit board, an antenna element which is mounted inside the body and connected electrically to the circuit board and, when electric current is supplied via a main plate, resonant in a resonant frequency band for transmitting and receiving signals, and a metal case having an antenna pattern which is coupled to an edge of the body to be resonant and, when the antenna element is resonant, in the resonant frequency band for supporting operation of the antenna element.

Abstract: An antenna device that uses an exterior metal frame is provided. The antenna includes a Printed Circuit Board (PCB); a plurality of segment-type exterior metal frames spaced apart from the PCB; a feeding portion connected to one metal frame of the plurality of segment-type exterior metal frames; and a slit located between the PCB and the one metal frame, wherein the one metal frame fed through the feeding portion operates with radiation, or the slit operates with radiator, or another exterior metal frame fed through the feeding portion operates with radiation.

Abstract: A multi-band antenna is provided. The multi-band antenna includes a plurality of radiator patterns that are configured to operate according to different frequency bands, a plurality of feeding units that are respectively connected to different contact points of the antenna radiator for connecting feeding units of the plurality of feeding units to at least one radiator pattern included in the plurality of radiator patterns, and a switching unit configured to switch between feeding units of the plurality of feeding units for connecting at least one radiator pattern included in the plurality of radiator patterns to the switched feeding unit.

Abstract: An antenna device for an electronic device for wireless communication is provided. The antenna device includes an antenna area connected to a feeding line and a ground line, such that the antenna area is configured to transmit/receive a signal of a first frequency band; and a branching feeding pattern branching from the feeding line and connected to one side of the antenna area, such that the branching feeding pattern is configured to enable the antenna area to transmit/receive a signal of a second frequency band.

Abstract: A built-in antenna apparatus of a mobile terminal includes a main board having at least one feeding portion for feeding RF power and at least one grounding portion at ground potential. The antenna apparatus includes first and second thin metal plates configured to be stacked on the main board and spaced from one another. The second metal plate is electrically connected to the feeding portion and has a length sufficient to resonate within a communication frequency band of the mobile terminal. The first metal plate is electrically connected to the grounding portion and electromagnetically coupled with the second metal plate to resonate.

Abstract: A built-in antenna of a portable terminal and a method of forming the same are provided. The built-in antenna includes a first conductor having a specific length and used for a ground, a second conductor disposed with a specific distance in parallel to the first conductor to couple with the first conductor and used for power feeding, and a separating element disposed between the first conductor and the second conductor to separate the first and second conductors. Accordingly, the built-in antenna may exhibit a smooth radiation property even if a metal construction is used in a device and thus may implement robustness improvement of the device and make the device slim and have an attractive outer appearance. In addition, a method of improving antenna efficiency may prevent deterioration of the radiation property of the antenna radiator of the related art by using simple processing, and the metal construction may be used as a radiator.

Abstract: An interface connector includes a connection terminal unit configured to be connected with an external connector, and a metallic shell configured to enclose the connection terminal unit. The metallic shell includes a first shell unit, in which the connection terminal unit is mounted, and which is grounded with a printed circuit board, and a second shell unit mounted to be separated and spaced from the first shell unit. An electronic device comprises a connection terminal unit configured to be connected with an external connector and a metallic shell configured to enclose the connection terminal unit, wherein the metallic shell comprises a first shell unit in which the connection terminal unit is mounted, and a second shell unit mounted to be separated and spaced from the first shell unit.

Abstract: A built-in antenna apparatus of a mobile terminal includes a main board having at least one feeding portion for feeding RF power and at least one grounding portion at ground potential. The antenna apparatus includes first and second thin metal plates configured to be stacked on the main board and spaced from one another. The second metal plate is electrically connected to the feeding portion and has a length sufficient to resonate within a communication frequency band of the mobile terminal The first metal plate is electrically connected to the grounding portion and electromagnetically coupled with the second metal plate to resonate.

Abstract: A built-in antenna of a portable terminal and a method of forming the same are provided. The built-in antenna includes a first conductor having a specific length and used for a ground, a second conductor disposed with a specific distance in parallel to the first conductor to couple with the first conductor and used for power feeding, and a separating element disposed between the first conductor and the second conductor to separate the first and second conductors. Accordingly, the built-in antenna may exhibit a smooth radiation property even if a metal construction is used in a device and thus may implement robustness improvement of the device and make the device slim and have an attractive outer appearance. In addition, a method of improving antenna efficiency may prevent deterioration of the radiation property of the antenna radiator of the related art by using simple processing, and the metal construction may be used as a radiator.

Abstract: A communication terminal and an antenna apparatus of the communication terminal are provided. The communication terminal includes a board body having a structure of a flat panel, an antenna element which is arranged at one end of the body and, when electric current is supplied, resonant in a resonant frequency band for transmitting and receiving signals, and at least one blocking plate which is arranged around the antenna element and alters, when the antenna element is resonant, at least one of a radiation pattern and a radiation strength of the antenna element.