A wireless charging transmitter is provided for charging an electronic device having a receiver coil. The wireless charging transmitter includes a charging module, including a transmitter coil electromagnetically coupled to the receiver coil, and a comb-shaped combination of shielding and planar dipole antenna array. The comb-shaped combination of shielding and planar dipole antenna array includes a plurality of dipole antennas; each of the dipole antennas includes a plurality of comb-like antenna portions.

The present description concerns an antenna system comprising a transmitting or receiving antenna element (12), an array of parasitic antenna elements (14), individually associated with reconfigurable loads (15), one or a plurality of near-field antennas (32), and a circuit (18, 34) for setting the configuration of the array of parasitic antenna elements according to a radiation picked up by the near-field antenna(s) during a radio frequency transmission by the transmitting or receiving antenna element.

Methods and apparatuses are described for communicating primary signals over a high-speed primary channel, the primary signals having a beam pattern having a full lobe at a center of an axis of propagation and communicating auxiliary signals over a low-speed auxiliary channel, the auxiliary signals having a decoupled beam pattern having a null at the center of axis of propagation, the high-speed primary channel and low-speed auxiliary channel operating in full duplex.

An electronic apparatus is provided. The electronic apparatus includes an integrated fan-out package, a dielectric housing, and a plurality of conductive patterns. The dielectric housing is covering the integrated fan-out package, wherein a gap or a first dielectric layer is in between the dielectric housing and the integrated fan-out package. The plurality of conductive patterns is located on a surface of the dielectric housing, wherein the plurality of conductive patterns is located in between the dielectric housing and the integrated fan-out package.

A multi-mode antenna system include at least a first modal antenna and a second modal antenna. The first modal antenna is disposed on a ground plane of a circuit board and configurable in a plurality of different modes. The first modal antenna can include a driven element, at least one parasitic element and an active element configured to adjust a reactance of the at least one parasitic element. The multi-mode antenna system further includes a second modal antenna disposed on the ground plane and configurable in a plurality of different modes. The second modal antenna can include a driven element, at least one parasitic element, and an active element configured to adjust a reactance of the at least one parasitic element. The parasitic element of the second modal antenna is positioned such that adjusting the reactance of the parasitic element affects the radiation pattern associated with the first modal antenna.

Techniques are provided for constructing a wide-beam antenna, for example a dipole antenna printed over an arbitrary ground plane. An example antenna includes at least one wide-beam dipole antenna cell, comprising a substrate, one or more signal lines disposed in the substrate, a conductive cladding disposed on the substrate, a dielectric layer disposed on the conductive cladding, a first sidewall via through the dielectric layer and electrically coupled to the conductive cladding, a second sidewall via extending through the dielectric layer and electrically coupled to the conductive cladding, a dipole antenna element disposed on the dielectric layer between the first sidewall via and the second sidewall via, a first director element disposed on the dielectric layer and extending toward the dipole antenna element, and a second director element disposed on the dielectric layer and extending toward the dipole antenna element.

A near field communication (NFC) antenna includes a first loop for receiving an electrical signal from the outside and a plurality of closed loops disposed in an inner area of the first loop. The plurality of closed loops do not overlap each other.

A near field communication (NFC) antenna includes a first loop for receiving an electrical signal from the outside and a plurality of closed loops disposed in an inner area of the first loop. The plurality of closed loops do not overlap each other.

When three directions perpendicular to each other are defined as x-direction, y-direction and z-direction, the electromagnetic wave reception device is provided the two or more electrodes extending in the x-direction, the two or more electrodes are arranged parallel to each other and arranged in the z-direction, and the two or more electrodes are connected by the common lead wire, and the electromagnetic wave velocity and the electrodes are connected between the two or more electrodes that are adjacent to each other by repeatedly applying a voltage having opposite characteristics to each other, an electromagnetic wave having a resonance frequency determined by an interval between intervals is induced, and the electromagnetic wave is transmitted to a space in the z-direction.

This document describes a waveguide with slot-fed dipole elements. An apparatus may include a waveguide for providing narrow coverage in an azimuth plane. The waveguide includes a hollow channel containing a dielectric and an array of radiation slots through a surface that is operably connected with the dielectric. The waveguide includes an array of dipole elements positioned on or in the surface and offset from each longitudinal side of the array of radiation slots. The radiation slots and the dipole elements configure the described waveguide to focus an antenna radiation pattern that supports a narrow beamwidth.