An antenna apparatus having an antenna. The antenna comprises a first radiator section and a second radiator section coupled to each other, and a third radiator section, a fourth radiator section, and a fifth radiator section that are distributed on a same side of the first and second radiator sections, wherein the third radiator section is coupled to a junction of the first and second radiator sections and is grounded, and the fourth and fifth radiator sections are separately disposed on two sides of the third radiator section, wherein the fourth radiator section is grounded by a first switch, and the fifth radiator section is grounded by a second switch.

Arranged on a surface of a substrate are a patch conductor that radiates an electromagnetic field having been fed, a feed line that feeds the patch conductor with the electromagnetic field having been input, two slits parallel to the feed line on both sides of a connection part of the feed line toward an inner side of the patch conductor, and a ring conductor at a space from the patch conductor with an interposition of a gap to surround an outer periphery of the patch conductor. Accordingly, an electric capacitance can be formed between the patch conductor and the ring conductor, and when achieving impedance matching with the feed line, adjustment can be performed using the size of the ring conductor and the gap.

An antenna is provided with a dielectric layer, a metal layer provided on one surface of the dielectric layer, a radiation element provided on the other surface of the dielectric layer, the radiation element including a slit portion in a central portion, a radiation system of which is magnetic field current radiation by electric field induction, a contactless feed element arranged above the slit portion, and a parasitic radiation element, a radiation system of which is electric field current radiation by magnetic field induction.

An antenna is provided with a dielectric layer, a metal layer provided on one surface of the dielectric layer, a radiation element provided on the other surface of the dielectric layer, the radiation element including a slit portion in a central portion, a radiation system of which is magnetic field current radiation by electric field induction, a contactless feed element arranged above the slit portion, and a parasitic radiation element, a radiation system of which is electric field current radiation by magnetic field induction.

An antenna device includes a power feeding portion; and an antenna including first and second antenna parts, and an amplifier each electrically connected to the power feeding portion. The first antenna part includes a first element including a part extending in a first direction, and a first loop element connected to an end of the first element. The second antenna part includes a second element including a part extending in the first direction, and a second loop element connected to an end of the second element. The first loop element includes a part extending in the first direction, and a part extending in the second direction different from the first direction. The second loop element includes a part extending in the first direction, and a part extending in a third direction opposite to the second direction. The first and second loop elements are positioned apart from each other.

An antenna includes a first conductor group including first conductors aligned in a first direction, a second conductor group, a third conductor group, first and second conductors, and a feed line configured to be electromagnetically connected to the first conductor. The second conductor group includes second conductors aligned in the first direction. The second conductor group is aligned with the first conductor group in a second direction intersecting the first direction. The third conductor group includes third conductors aligned in the first direction. The third conductor group is aligned with the first and second conductor groups in the second direction. The first conductor capacitively connects the first conductor group and the second conductor group. The first conductor capacitively connects the second conductor group and the third conductor group. The second conductor is electrically connected to the first conductor group, the second conductor group, and the third conductor group.

An antenna includes a first conductor group including first conductors aligned in a first direction, a second conductor group, a third conductor group, first and second conductors, and a feed line configured to be electromagnetically connected to the first conductor. The second conductor group includes second conductors aligned in the first direction. The second conductor group is aligned with the first conductor group in a second direction intersecting the first direction. The third conductor group includes third conductors aligned in the first direction. The third conductor group is aligned with the first and second conductor groups in the second direction. The first conductor capacitively connects the first conductor group and the second conductor group. The first conductor capacitively connects the second conductor group and the third conductor group. The second conductor is electrically connected to the first conductor group, the second conductor group, and the third conductor group.

According to an embodiment of the disclosure, an electronic device comprises: a housing including a front plate, a rear plate positioned on the opposite side from the front plate, and a side bezel surrounding at least part of the space between the front plate and the rear plate, and including a first conduction unit comprising a conductor, a second conduction unit comprising a conductor positioned such that a first segment is between the second conduction unit and one end of the first conduction unit, and a third conduction unit comprising a conductor positioned such that a second segment is between the third conduction unit and an other end of the first conduction unit; a support positioned inside the space and connected to the first conduction unit, the second conduction unit, and the third conduction unit, and which includes a first opening extending from the first segment and positioned within a specified proximity of the first conduction unit; a printed circuit board positioned inside the space between the support and the rear plate, and including first and second terminals electrically connected to at least part of the support surrounding the first opening, a ground plane, a first electrical path electrically connecting the second terminal and a first position of the ground plane, and a second electrical path electrically connecting the second terminal and a second position of the ground plane; and a wireless communication circuit electrically connected to the first terminal and configured to transmit and/or receive signals in a selected or designated frequency band, wherein, when viewed from above the rear plate, at least part of the first opening may extend to the first segment by passing between the first terminal and the second terminal.

According to an embodiment of the disclosure, an electronic device comprises: a housing including a front plate, a rear plate positioned on the opposite side from the front plate, and a side bezel surrounding at least part of the space between the front plate and the rear plate, and including a first conduction unit comprising a conductor, a second conduction unit comprising a conductor positioned such that a first segment is between the second conduction unit and one end of the first conduction unit, and a third conduction unit comprising a conductor positioned such that a second segment is between the third conduction unit and an other end of the first conduction unit; a support positioned inside the space and connected to the first conduction unit, the second conduction unit, and the third conduction unit, and which includes a first opening extending from the first segment and positioned within a specified proximity of the first conduction unit; a printed circuit board positioned inside the space between the support and the rear plate, and including first and second terminals electrically connected to at least part of the support surrounding the first opening, a ground plane, a first electrical path electrically connecting the second terminal and a first position of the ground plane, and a second electrical path electrically connecting the second terminal and a second position of the ground plane; and a wireless communication circuit electrically connected to the first terminal and configured to transmit and/or receive signals in a selected or designated frequency band, wherein, when viewed from above the rear plate, at least part of the first opening may extend to the first segment by passing between the first terminal and the second terminal.

A wideband/broadband antenna is described, comprising a dielectric substrate with a first surface with an antenna feed with two conductors, comprising a first feed connection and a second feed connection, wherein the second feed connection is or acts as the ground. A first conductive layer extends from the antenna feed in a first direction and is electrically connected to the first feed connection, wherein the first conductive layer extends in a direction away from the antenna feed, and to a first end edge. A second conductive layer extends in a second direction, away from the first conductive layer, and is electrically connected to the second feed connection. A non-conductive zone separates the first and second conductive layers. On a second surface of the substrate there is a third conductive layer which extends from a second end edge in the direction towards the antenna feed, the extent of which at least in part coincides with that of the first conducting layer at the first surface. The first end edge of the first conducting layer and the second end edge of the third conducting layer substantially coincides, and the first and third electrical layers are electrically connected with each other at or near said end edges. Apart from said electrical interconnection at the edges, the layers are electrically separated from each other.