An electronic device includes: a side member forming sides of the electronic device, the side member including a first conductive portion, a second conductive portion, a first non-conductive portion, and a slit; a printed circuit board including the ground; and a wireless communication circuit, wherein the first conductive portion includes a first electrical path and a second electrical path, the second conductive portion includes a third electrical path and a fourth electrical path, a capacitor is arranged along the third electrical path, and the wireless communication circuit may feed, to the first conductive portion via the first electrical path, an RF signal of a first frequency band and may feed, to the second conductive portion via the third electrical path, an RF signal of a second frequency band which at least partially overlaps the first frequency band.

Disclosed are a microstrip antenna and a television. The microstrip antenna comprises a substrate, an excitation layer and a grounding layer which are provided on the substrate, and a feed unit and a coupling structure which are provided in the excitation layer. The feed unit is electrically connected to the excitation layer. A coupling layer and the excitation layer are electrically connected to the grounding layer. The coupling structure comprises the coupling layer and a dielectric layer. The dielectric layer is located between the excitation layer and the coupling layer. The coupling layer and the excitation layer are electrically connected to the grounding layer.

UWB Antenna comprising: a first substrate layer (10); a second substrate layer (20); a conductive ground layer (300) arranged on a first side of the first substrate layer and connected to a ground terminal; a first conductive layer (100) arranged between the first substrate layer (10) and the second substrate layer (20), wherein a central portion (140) of the first conductive layer (100) is connected to the feed terminal (3), wherein the first conductive layer (100) has a shape with a plurality of arms extending radially from the central portion (140), wherein the plurality of arms (110, 120, 130) is connected in its distal portion (111, 121, 131) with the ground layer (300); a second conductive layer (200) arranged on a second side of the second substrate layer (20, 20′), wherein the layers (10, 20, 100, 200, 300) are realised with a multilayer circuit board.

An antenna device includes a ground plate which is a flat plate-shaped conductor member, an opposing conductive plate which is a flat plate-shaped conductor member installed at a predetermined distance from the ground plate and is electrically connected to a power supply line, and a plurality of short-circuit pins for electrically connecting the opposing conductive plate and the ground plate. One end of a plurality of short-circuit pins extends to a conductive plate plane, which is a plane including the opposing conductive plate, and the other end of the plurality of short-circuit pins extends to the ground plate plane, which is a plane including the ground plate. One or more of the plurality of short-circuit pins connect the opposing conductive plate and the ground plate.

A Wi-Fi antenna device is disclosed. The Wi-Fi antenna device comprises a ground plane, a plurality of first inverted-F antennas, a plurality of second inverted-F antennas and a plurality of third inverted-F antennas, thereby being capable of transceiving multi-band wireless signals. Particularly, there is an included angle between any two of the first inverted-F antennas. In the same way, any two of the second inverted-F antennas and any two of the third inverted-F antennas are both arranged to have said included angle therebetween. By such an arrangement, an omni radiation pattern can be measured on X-Y plane, X-Z plane and Y-Z plane in case of this novel Wi-Fi antenna device being applied in an environment. Therefore, the Wi-Fi antenna device according to the present invention has a significant potential for replacing the conventional multi-band antenna so as to be applied in a Wi-Fi router.

An antenna device, a positioning system and a positioning method are provided. The positioning method includes: dispersedly arranging a plurality of receivers to form a target area, in which each of the receivers includes the antenna device; receiving a wireless signal from the target area through the antenna device, and generating a difference signal strength and a sum signal strength; calculating, for each of the receivers, a sum-difference ratio between the difference signal strength and the sum signal strength, and estimating a corresponding one of estimated incident angles according to the sum-difference ratio and a comparison table; executing, in response to obtaining the estimated incident angles corresponding to the receivers, a positioning algorithm according to the estimated incident angles, so as to generate a plurality of possible positions; and executing an optimization algorithm to calculate a best estimated position of the possible positions.

Disclosed are a double frequency vertical polarization antenna and a television. The double frequency vertical polarization antenna includes a dielectric substrate, and the dielectric substrate includes a power feeding surface and a mounting surface arranged oppositely. The double frequency vertical polarization antenna further includes a power feeder and an antenna part. The power feeder is provided on the power feeding surface of the dielectric substrate, and the antenna part is provided on the mounting surface of the dielectric substrate. The antenna part includes a high-frequency radiation unit and a low-frequency radiation unit spaced apart from each other. Both the high-frequency radiation unit and the low-frequency radiation unit are penetrated through the dielectric substrate and electrically connected to the power feeder.

The disclosed systems, structures, and methods are directed to an antenna comprising: a plurality of Composite Right Left Handed (CRLH) magneto-electric unit-cell based structures, each CRLH magneto-electric unit-cell based structure comprising: a ground electrode for common electrical contacts, a first coaxial connector and a second coaxial connector, a first ground surface and a second ground surface, the first ground surface connected to a second end of the first coaxial connector and the second ground surface connected to a second end of the second coaxial connector, a coaxial line included in the second coaxial connector, a microstrip feed line connected to the coaxial line and electromagnetically coupled with the first and the second ground surfaces, and a first non-resonant meta-surface patch and a second non-resonant meta-surface patch, each of the first and second non-resonant meta-surface patches placed above a series-capacitor gap between the first ground surface and the second ground surface.

An antenna system mounted on a vehicle, according to the present specification, is provided. The antenna system can include: a main radiator formed on an antenna board and configured to be electrically connected to a feeding part; and a parasitic radiator formed to be spaced a predetermined distance apart from the main radiator so that a signal from the main radiator is gap-coupled. The parasitic radiator is electrically connected to a ground through a ground connection part, the main radiator operates in a first mode, and the parasitic radiator can operate in a second mode.

This disclosure relates generally to Millimeter Wave (MMW) frequency antenna scanning system. Conventional approaches available for scanning an antenna beam over a large angular swath with high directivity are unable to address concerns of size and cost involved. The technical problem of providing an MMW frequency antenna scanning system using a single small size antenna capable of scanning as desired at a desired precision is addressed in the present disclosure. The antenna scanning system provided is an electromechanical system that makes the system cost effective. Computer control provides precision control in beam steering from remote. Use of a metasurface and configuration of a radiating patch and a shorting pin in a microstrip antenna addresses the concern with regards to the size of the antenna scanning system.