Abstract: An antenna system includes an array of radiating elements forming a diamond shape. The diamond shape includes a first axis and a second axis. The diamond shape is oriented with the first axis aligned with a reference plane shared by a plurality of airborne communications relay platforms. The diamond shape is reoriented to maintain the first axis aligned with the reference plane in response to a change in position of the reference plane relative to the array.

Abstract: An antenna-equipped cover glass for a wristwatch includes: a first insulating layer that includes a transparent insulator; a first electrode layer connected to a bottom surface of the first insulating layer, the first electrode layer having a first transparent electrode surrounded by an insulating pattern formed in a region therein; a second insulating layer connected to a bottom surface of the first electrode layer; and a second electrode layer connected to a bottom surface of the second insulating layer, the second electrode layer having a second transparent electrode surrounded by an insulating pattern formed in a region therein.

Abstract: The present invention relates to a magnetic-dielectric composite for a high-frequency antenna substrate, and a manufacturing method therefor, the composite comprising: a porous insulating dielectric substrate including an upper surface, a lower surface and lateral surfaces, and having a plurality of pores penetrating the upper surface and the lower surface; and soft ferrite nano-wires provided within the pores, wherein the soft ferrite nano-wires are encompassed by the insulating dielectric substrate so as to be separated from each other. The present invention controls a dielectric constant and can minimize eddy current loss by having a structure in which the soft ferrite nano-wires are provided within the pores of the insulating dielectric substrate and in which the soft ferrite nano-wires are encompassed by the insulating dielectric substrate so as to be separated from each other.

Abstract: Described herein are techniques related to near field coupling and wireless power transfers. A device may include a cascaded coil antenna to include a first coil antenna that is connected in series with a second coil antenna. The first and second coil antennas are independent antennas prior to cascading and are located in different surfaces of the device to establish near field coupling through front side, top side, bottom side, or corner side of the portable device. Furthermore, a flux guide may be placed in the cascaded coil antenna to facilitate magnetic flux at the first coil antenna and the second coil antenna to induce current of the same phase during receive mode. During transmit mode, the flux guide facilitates the magnetic flux at the first coil antenna and the second coil antenna to generate magnetic fields of the same direction.

Abstract: A system for antenna alignment of a directional antenna used for wireless communication with respect to a target location. The system comprising the directional antenna and an unmanned aerial vehicle, UAV, arranged to be deployed in relation to the target location. The system is configured for transmission of an alignment signal between the UAV and the directional antenna and also for measuring a level of antenna alignment of the directional antenna with respect to the target location, based on the alignment signal transmission.

Abstract: A diaphragm is described, wherein the diaphragm includes at least two layers, wherein at least one of the two layers is made of an elastomer, and wherein an electric circuit is provided between the two layers. In at least one of the two layers of the diaphragm, a conductive insert is provided, by means of which an electrical connection of the electric circuit to or from the outside of the diaphragm can be achieved.

Abstract: A passive, self-reconfigurable antenna device, components of a corresponding wireless network, and methods pertaining to operations and controls of the antenna device are provided. The antenna device can include at least one antenna element configured to receive a modulated or unmodulated wireless signal, a power harvester configured to obtain power from the modulated or unmodulated wireless signal, and a first switch coupled to the power harvester and powered by the obtained power from the power harvester. The first switch can be configured to operate automatically when receiving the obtained power without requiring the receipt of control information. Further, the first switch can be configured to automatically operate according to one or more predetermined operating patterns when receiving the obtained power to modulate the corresponding antenna element. This way, antenna operating frequency, or radiation pattern or polarization states can be reconfigured.

Abstract: Aspects of the subject disclosure may include, for example, a communication device that includes an antenna array integrated with a light assembly having at least one light that illuminates an area about a light pole. The antenna array includes a plurality of dielectric antennas that are configured to transmit outbound wireless signals and receive inbound wireless signals. Other embodiments are disclosed.

Abstract: An antenna system includes a system ground and two antenna units. The two antenna units are individually disposed on two opposite sides of the system ground and symmetrically mirrored with each other. Each antenna unit includes a circuit board, a first antenna pattern and a second antenna pattern. The first antenna pattern is disposed at one side of the circuit board. The first antenna pattern resonates to generate a first high resonant frequency. The second antenna pattern is disposed at the other side of the circuit board. The first antenna pattern resonates with part of the second antenna pattern to generate a low resonant frequency.

Abstract: A communication device includes a ground plane and an antenna element. The antenna element includes a radiation metal strip and a feed metal line. The radiation metal strip is divided into a first metal strip and a second metal strip by a gap. The first metal strip is electrically connected to the ground plane by a first metal section. The second metal strip is electrically connected to the ground plane by a second metal section. The feed metal line has a first to a third connection points. The first connection point is coupled to the first metal strip through a first capacitive element. The second connection point is coupled to the second metal strip through a second capacitive element. The third connection point is a feeding point of the antenna element. The second connection point is located between the first connection point and the third connection point.

Abstract: To achieve a reduction of noise in a wireless system of an electronic device for communication. The electronic device for communication includes: a bottom lid; a loop antenna that forms an electromagnetic field; a communication circuit coupled to the loop antenna; a battery pack that is a metallic part; a magnetic sheet arranged between the loop antenna and the metallic part, the magnetic sheet including a protruding portion that protrudes outside an outer peripheral portion of the loop antenna; a wiring substrate arranged over the battery pack and having an IC and the like mounted thereon; and a lid with a display arranged over the wiring substrate, in which, with the outer peripheral portion of the loop antenna as a base point, a protruding amount from the base point of the protruding portion of the magnetic sheet is twice or more a wiring width of the loop antenna.

Abstract: A waveguide device includes: an electrically conductive member having an electrically conductive surface; a waveguide member having an electrically-conductive waveguide face of a stripe shape opposing the electrically conductive surface, the waveguide member extending along the electrically conductive surface; and an artificial magnetic conductor extending on both sides of the waveguide member. The waveguide member has a bend at which the direction that the waveguide member extends changes. A waveguide which is defined by the electrically conductive surface, the waveguide face, and the artificial magnetic conductor includes a gap enlargement where a gap between the electrically conductive surface and the waveguide face is locally increased. In a perspective view along a direction perpendicular to the electrically conductive surface, at least a portion of the bend has an overlap with the gap enlargement.

Abstract: A guest engagement system and associated methods provide seamless engagement with guests of facilities through the use of wireless sensing technologies. The system makes use of individual guest devices which are carried by guests and used to automatically identify and authenticate the guests throughout the facility. Services can thereby be seamlessly provided to the guests throughout the facility. The services include automatic unlocking of doors, including hotel or state room doors, based on the guests' immediate proximity to their assigned room's door. The services also include automated payment services provided at checkout or vending terminals, and automated log-on to interactive displays and portals, among others, based on secure wireless authentication of the guest devices.

Abstract: The antenna device includes an antenna unit (110) mounted so that its direction is adjustable, a motor-driven unit (124, 125) that changes a direction of the antenna unit (110), a camera (130) fixed so that its direction relative to the antenna unit (110) does not change, and a direction adjustment control unit (200) that supplies a drive signal to the motor-driven unit (124, 125) and adjusts the direction of the antenna unit (110). The direction adjustment control unit (200) performs feedback control to return the direction of the antenna unit (110) back to an initial direction based on an image taken by the camera (130). It is thereby possible to maintain the communication quality even when a mechanical vibration occurs in a structure on which an antenna device is mounted.

Abstract: A radio or power transfer antenna, in the form of a planar conductive winding, with one of two ends of the planar conductive winding directly connected to a metal section or plane which continuously surrounds the planar conductive winding.

Abstract: An electronic device is provided. The electronic device includes an antenna radiator configured to operate in at least one frequency band, a ground stub disposed at a coupling location in proximity to the antenna radiator, and a switching device configured to selectively ground the ground stub and a ground of a main board. Thus, the present disclosure is easily applicable without design constraints in terms of space use when the main board and the antenna radiator are separated, and simplifies the assembly and reduces the cost without a separate sub-board.

Abstract: A reradiation antenna including an insulation panel; a ground contact formed on one side of the insulation panel; a slot formed by eliminating a part of the ground contact by exposing the insulation panel; a power feeding unit formed on the insulation panel between the slot and separated from the ground contact and connected with a power source using a first end of the power feeding unit; and a radiation unit formed on one side of the insulation panel, and connected with a second end of the power feeding unit positioned at an opened end of the slot.

Abstract: In an antenna apparatus, a first current is induced in a first booster conductor by a current flowing through a coil conductor of a power feed antenna, and the first current circulates along a circumference of the first booster conductor. A second current is induced in a second booster conductor by the current flowing through the coil conductor of the power feed antenna, and the second current circulates along a circumference of the second booster conductor. A third current is induced in the first booster conductor by the second current flowing through the second booster conductor, and the third current circulates along the circumference of the first booster conductor. Thus, the antenna apparatus is much less influenced by nearby metallic objects and a shape of an included radiation plate may be more freely determined without requiring a highly accurate positional relationship between the radiation plate and the coil conductor.

Abstract: This disclosure relates to electrical connectors that exhibit low passive intermodulation. A conductive shielding layer of a coaxial cable can be coupled to a ground plane. The ground plane can include an extruded hole that includes a side wall that is integrally formed with the body of the ground plane. The conductive shielding layer can be soldered to the inside surface of the side wall of the extruded hole in the ground plane.

Abstract: A wearable electronic device includes a bezel encasing device electronics and having a metallic portion and a dielectric insert portion. The metallic portion of the bezel is grounded at a point of zero potential and coupled to a differential feed structure that spans the dielectric insert portion to feed opposite ends of the metallic portion.