The antenna device includes a substrate, a first radiator that is in a plane shape, operates as a wideband antenna, and is disposed on the dielectric region such that one end portion faces the ground region and an opposite end portion faces away from the ground region, a width of the opposite end portion being wider than a width of the one end portion, a second radiator that is in a line shape, operates as a narrowband antenna and at a lower frequency than the first radiator, and is disposed adjacent to the first radiator on the dielectric region such that one end portion faces the ground region and an opposite end portion faces away from the ground region, a first feeding line, a second feeding line, and a connecting structure connected with the first radiator, the first feeding line, the second radiator, and the second feeding line.

An antenna system includes a glass plate having a thickness of 1.1 mm or more and a dielectric loss tangent of 0.005 or more at 28 GHz, and an antenna located away from one of surfaces of the glass plate, wherein a ratio of electric power radiated from the antenna to electric power input into the antenna is defined as a radiation efficiency, and when an effective wavelength of an electromagnetic wave at a predetermined frequency is 10 GHz or more is denoted as λg and the radiation efficiency as η.sub.0 [dB] when the glass plate and the antenna are in contact, and is denoted as η.sub.λg/2 [dB] when a distance between the one of the surfaces and the antenna is λg/2, the glass plate and the antenna are arranged to obtain the radiation efficiency of η.sub.A [dB] that satisfies η.sub.A≥η.sub.0+(η.sub.λg/2−η.sub.0)×0.1.

An antenna system includes a glass plate having a thickness of 1.1 mm or more and a dielectric loss tangent of 0.005 or more at 28 GHz, and an antenna located away from one of surfaces of the glass plate, wherein a ratio of electric power radiated from the antenna to electric power input into the antenna is defined as a radiation efficiency, and when an effective wavelength of an electromagnetic wave at a predetermined frequency is 10 GHz or more is denoted as λg and the radiation efficiency as η.sub.0 [dB] when the glass plate and the antenna are in contact, and is denoted as η.sub.λg/2 [dB] when a distance between the one of the surfaces and the antenna is λg/2, the glass plate and the antenna are arranged to obtain the radiation efficiency of η.sub.A [dB] that satisfies η.sub.A≥η.sub.0+(η.sub.λg/2−η.sub.0)×0.1.

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, an antenna includes a conductive antenna element, a voltage-bias conductor, and a polarization-compensation conductor. The conductive antenna element is configured to radiate a first signal having a first polarization, and the voltage-bias conductor is coupled to a side of the antenna element and is configured to radiate a second signal having a second polarization that is different from the first polarization. And the polarization-compensating conductor is coupled to an opposite side of the antenna element and is configured to radiate third a signal having a third polarization that is approximately the same as the second polarization and that destructively interferes with the second signal. Such an antenna can be configured to reduce cross-polarization of the signals that its antenna elements radiate.

Examples disclosed herein relate to a radiating structure. The radiating structure has a transmission array structure having a plurality of transmission paths with each transmission path having a plurality of slots and a pair of adjacent transmission paths forming a superelement. Each superelement has a phase control module to control a phase of a transmission signal. The radiating structure also includes a radiating array structure having a plurality of radiating elements configured in a lattice, with each radiating element corresponding to at least one slot from the plurality of slots and the radiating array structure positioned proximate the transmission array structure. A feed coupling structure is coupled to the transmission array structure and adapted for propagation of a transmission signal to the transmission array structure. The transmission signal is radiated through at least one superelement and at least one of the plurality of radiating elements and has a phase controlled by the phase control module in the at least one superelement.

Examples disclosed herein relate to a radiating structure. The radiating structure has a transmission array structure having a plurality of transmission paths with each transmission path having a plurality of slots and a pair of adjacent transmission paths forming a superelement. Each superelement has a phase control module to control a phase of a transmission signal. The radiating structure also includes a radiating array structure having a plurality of radiating elements configured in a lattice, with each radiating element corresponding to at least one slot from the plurality of slots and the radiating array structure positioned proximate the transmission array structure. A feed coupling structure is coupled to the transmission array structure and adapted for propagation of a transmission signal to the transmission array structure. The transmission signal is radiated through at least one superelement and at least one of the plurality of radiating elements and has a phase controlled by the phase control module in the at least one superelement.

A dual-band antenna includes a first conductive portion, a ground layer, a ground portion, a second conductive portion and a third conductive portion. The first conductive portion has a resonant cavity. The ground portion extends from the ground layer toward the first conductive portion. The second conductive portion extends from the ground layer toward the first conductive portion. The third conductive portion extends from the ground layer toward the first conductive portion. The second conductive portion and the third conductive portion are disposed symmetrically with respect to the ground portion.

An information handling system to wirelessly transmit and receive data may include a base chassis including a metal C-cover and a D-cover, the metal C-cover to house a speaker grill, the speaker grill covering a speaker to emit audio waves; a speaker grill platform antenna formed within the C-cover from a portion of the speaker grill to emit a target radio frequency (RF), including: a slot formed around the portion of the speaker grill to form a peninsula on the speaker grill that is physically separated from the C-cover; a cavity formed behind the peninsula between the C-cover and the D-cover, the cavity including walls formed around the back side of the peninsula to electrically isolate the cavity; a printed circuit board assembly (PCBA) including: an antenna front end circuit operatively coupled to the speaker grill to excite the speaker grill and dynamically switch frequencies based on the target frequency to be emitted by the speaker grill platform antenna; and a contact pin directly coupling an excitation signal to excite the speaker grill platform antenna.

An information handling system to wirelessly transmit and receive data may include a base chassis including a metal C-cover and a D-cover, the metal C-cover to house a speaker grill, the speaker grill covering a speaker to emit audio waves; a speaker grill platform antenna formed within the C-cover from a portion of the speaker grill to emit a target radio frequency (RF), including: a slot formed around the portion of the speaker grill to form a peninsula on the speaker grill that is physically separated from the C-cover; a cavity formed behind the peninsula between the C-cover and the D-cover, the cavity including walls formed around the back side of the peninsula to electrically isolate the cavity; a printed circuit board assembly (PCBA) including: an antenna front end circuit operatively coupled to the speaker grill to excite the speaker grill and dynamically switch frequencies based on the target frequency to be emitted by the speaker grill platform antenna; and a contact pin directly coupling an excitation signal to excite the speaker grill platform antenna.