A first antenna element includes a first end connected to a feedpoint, a second end connected to a connection point on a ground conductor, and a fold disposed between the first and the second ends. A part of a segment between the first end and the fold of the first antenna element is disposed along the ground conductor. A second antenna element branches off the first antenna element. The second antenna element is disposed between the part of the first antenna element disposed along the ground conductor and the ground conductor. The segment between the first end and the fold of the first antenna element resonates at a first frequency. The second antenna element and a segment between the first end and a branch point of the first antenna element resonate at a second frequency that is higher than the first frequency.

A first antenna element includes a first end connected to a feedpoint, a second end connected to a connection point on a ground conductor, and a fold disposed between the first and the second ends. A part of a segment between the first end and the fold of the first antenna element is disposed along the ground conductor. A second antenna element branches off the first antenna element. The second antenna element is disposed between the part of the first antenna element disposed along the ground conductor and the ground conductor. The segment between the first end and the fold of the first antenna element resonates at a first frequency. The second antenna element and a segment between the first end and a branch point of the first antenna element resonate at a second frequency that is higher than the first frequency.

Embodiments of the present invention relate to an antenna [100] for matching an impedance between a feed point [140] and a radiator [110], comprising: the radiator [110] mounted, over a printed circuit board, has a first end and a second end; a flare [130] for matching the impedance, wherein the flare [130] has a first end and a second end, and the flare [130] is taper-shaped from the first end to the second end of the flare [130]; the feed point [140] comprises a first end and a second end, wherein the first end of the feed point [140] is connected to the second end of the flare [130], and the second end of the feed point [140] is connected to the printed circuit board; and a shorting stub [150] placed between the flare [130] and the printed circuit board for grounding a capacitance induced by the antenna [100].

Embodiments of the present invention relate to an antenna [100] for matching an impedance between a feed point [140] and a radiator [110], comprising: the radiator [110] mounted, over a printed circuit board, has a first end and a second end; a flare [130] for matching the impedance, wherein the flare [130] has a first end and a second end, and the flare [130] is taper-shaped from the first end to the second end of the flare [130]; the feed point [140] comprises a first end and a second end, wherein the first end of the feed point [140] is connected to the second end of the flare [130], and the second end of the feed point [140] is connected to the printed circuit board; and a shorting stub [150] placed between the flare [130] and the printed circuit board for grounding a capacitance induced by the antenna [100].

An active antenna for UHF/VHF signal receiving is described, the active antenna being capable of configuration in one of a plurality of possible modes. The active antenna includes an antenna element configured for multiple resonances in the UHF/VHF bands, and capable of generating multiple radiation modes as well as active impedance matching using a microprocessor and multi-port switch having variable or multiple selectable modes. The active antenna may include a second antenna element arranged in a right-angle orientation with respect to the first antenna element. The first antenna element, second antenna element, or a combination may be selected for receiving signals in at a desired frequency. A three-dimensional antenna assembly is also described. Each of the examples illustrate an active beam steering antenna capable of UHF/VHF signal receiving.

An active antenna for UHF/VHF signal receiving is described, the active antenna being capable of configuration in one of a plurality of possible modes. The active antenna includes an antenna element configured for multiple resonances in the UHF/VHF bands, and capable of generating multiple radiation modes as well as active impedance matching using a microprocessor and multi-port switch having variable or multiple selectable modes. The active antenna may include a second antenna element arranged in a right-angle orientation with respect to the first antenna element. The first antenna element, second antenna element, or a combination may be selected for receiving signals in at a desired frequency. A three-dimensional antenna assembly is also described. Each of the examples illustrate an active beam steering antenna capable of UHF/VHF signal receiving.

An electronic device is provided. The electronic device includes a foldable housing including, a hinge structure, a first housing structure including a first surface, a second surface, and a first side member, wherein the first side member encloses at least a portion of a space between the first surface and the second surface and includes a first conductive portion, a first non-conductive portion, and a second conductive portion, and a second housing structure including a third surface, a fourth surface, and a second side member, a printed circuit board, at least one wireless communication circuit including a first electrical path and a second electrical path, a first variable element including a first terminal, a second terminal, and a third terminal, and a second variable element including a fourth terminal, a fifth terminal, and a sixth terminal.

A dual band microwave/millimeter wave antenna for next generation wireless systems. The antenna assembly has a low frequency monopole antenna and a sleeve with high frequency antenna arrays. A three-sided sleeve monopole antenna provides omnidirectional radiation patterns from 1.7-2.7 GHz, and each side of the sleeve monopole incorporates two series-fed linear patch arrays operating at 27.5-28.35 GHz. The sleeve monopole provides 3G/4G/LTE coverage while the patch arrays provide sectored MIMO 5G coverage.

A mobile terminal and an antenna of a mobile terminal are provided. The mobile terminal includes: a printed wiring board; a housing; a metal frame surrounding the housing, having a first frame, a second frame and a third frame, the first frame having a first gap; a first connector connected with a part of the first frame; a second connector connected with the third frame and a ground of the printed wiring board; and a first antenna, including: a main radiator; a first part; a second part; a first inductor; a third part; a fourth part a second inductor connected with the fourth part and a fifth part connected with the second inductor and a first feed terminal of the printed wiring board.

A mobile terminal and an antenna of a mobile terminal are provided. The mobile terminal includes: a printed wiring board; a housing; a metal frame surrounding the housing, having a first frame, a second frame and a third frame, the first frame having a first gap; a first connector connected with a part of the first frame; a second connector connected with the third frame and a ground of the printed wiring board; and a first antenna, including: a main radiator; a first part; a second part; a first inductor; a third part; a fourth part a second inductor connected with the fourth part and a fifth part connected with the second inductor and a first feed terminal of the printed wiring board.