In an exemplary embodiment, a phased array antenna comprises multiple subcircuits in communication with multiple radiating elements. The radio frequency signals are independently adjusted for both polarization control and beam steering. In a receive embodiment, multiple RF signals of various polarizations are received and combined into at least one receive beam output. In a transmit embodiment, at least one transmit beam input is divided and transmitted through multiple radiating elements, with the transmitted beams having various polarizations. In an exemplary embodiment, the phased array antenna provides multi-beam formation over multiple operating frequency bands. The wideband nature of the active components allows for operation over multiple frequency bands simultaneously.

An antenna device according to an aspect includes a dielectric layer, a radiator formed on the dielectric layer, and a transmission line connected to the radiator on the dielectric layer and formed in a mesh structure which is a set of unit cells defined by a plurality of conductive lines. A width of the transmission line may be an integer multiple of the width of the unit cell, and may be within an allowable error range.

Augmented reality (AR) glasses may include a main housing configured to accommodate lenses of the AR glasses, with at least a portion of the main housing formed of a conductive member A sub-housing forms a leg of the AR glasses. A PCB is disposed in the sub-housing. A conductive hinge structure is configured to interconnect the main housing and the sub-housing such that the sub-housing is foldable with respect to the main housing. The conductive hinge structure is electrically connected to the PCB and the conductive member. A wireless communication circuit is disposed in the sub-housing and is configured to transmit and/or receive a signal of a predetermined frequency band based on an electrical path including the conductive hinge structure and the conductive member by directly feeding power to the conductive hinge structure. Various other embodiments identified through the specification are possible.

A resonant wearable antenna system includes a ground plane and an antenna structure positioned over the ground plane. The ground plane includes a first cloth substrate and an array of metamaterial (MTM) unit cells positioned on the substrate. At least one MTM unit cell includes four four-leaf-clover units arranged in a four-leaf-clover pattern and connected to a center unit. Each four-leaf-clover unit includes four leaf units arranged in a four-leaf-clover pattern and connected to a subcenter unit. The antenna structure includes a second cloth substrate and a conductive pattern positioned over the second cloth substrate. The antenna structure is configured to have a first resonant frequency below 1 GHz and a second resonant frequency higher than the first resonant frequency. The array of MTM unit cells is configured to reflect incident waves, from the antenna structure at the first resonant frequency and the second resonant frequency, in-phase.

An implantable radiating structure includes a directly excited element (“DEE”) that includes a top portion, a gap portion, and a bottom portion. The gap portion is between the top portion and the bottom portion. The top portion is coupled to the bottom portion via a connector, and the top portion, the gap portion, and the bottom portion of the DEE are planar. The implantable radiating structure also includes an indirectly excited element (“IEE”) radiatively coupled to the DEE. The IEE is positioned at an angle with respect to the DEE, and the DEE is orthogonal to the IEE. Further, the implantable radiating structure is configured to be implanted inside a human body and includes a bandwidth of at least 150 megahertz and a voltage standing wave ratio of approximately 2.

Eyewear including a dipole antenna having a first leg and a second leg, wherein the first leg includes at least a portion of a battery, such as a conductive case of the battery. An antenna feed is coupled to the dipole antenna between the second leg and the battery. The second leg may comprise a flexible printed circuit (FPC), and the second leg is an active leg. The second leg has a first portion and a second portion. The first portion and the second portion may have the same physical length. The first portion may be dielectrically loaded with a high permittivity loaded material, and the second portion may be dielectrically loaded with a low permittivity loaded material.

A hearing device is disclosed. The hearing device comprises a plurality of antennas. The hearing device comprises electronic components including a first electronic component. The plurality of antennas comprises a first antenna and a second antenna. The first antenna may comprise a coil part coiled along a first antenna axis. The first antenna may be configured for magnetic induction communication. The second antenna may be configured for communication in a frequency band in the GHz range. The second antenna may comprise a shielding part configured to shield the first antenna.

A passive UHF (Ultra High Frequency, 902-928 MHz) RFID-based fabric (such as a diaper) moisture sensor is low-cost, user-friendly, reusable, washable, environment-friendly and comes with an extended on-body read range of 3.6 meters with baby diapers and 4.4 meters with adult diapers. The external reader unit is connected to the internet or a local network, and may automatically notify the parents or caregivers as soon as the presence of moisture is detected.

A method and system facilitate communication between a constellation of satellites and a mobile platform-mounted mobile communicator. The method and system may include the use of a first antenna suited for operation using a first frequency band in a first geographic region and a second antenna suited for operation using either the first or a second frequency band in a second geographic region. The method and system may use a controller to determine which antenna to activate based on one or more of a geographic indicator or a signal indicator. The system used by the method to facilitate the communication may have one or more enclosures over the antennas and controller for mounting to a mobile platform.

A method and system facilitate communication between a constellation of satellites and a mobile platform-mounted mobile communicator. The method and system may include the use of a first antenna suited for operation using a first frequency band in a first geographic region and a second antenna suited for operation using either the first or a second frequency band in a second geographic region. The method and system may use a controller to determine which antenna to activate based on one or more of a geographic indicator or a signal indicator. The system used by the method to facilitate the communication may have one or more enclosures over the antennas and controller for mounting to a mobile platform.