Abstract: A plurality of first linear sections in a coil conductor are disposed on a lower surface of a first resin sheet. A plurality of second linear sections in the coil conductor are disposed on an upper surface of a second resin sheet. A plurality of via conductors in the coil conductor are disposed in the resin sheets. The coil conductor including the linear sections and the via conductors constitutes an antenna section. A first ground conductor is disposed on the lower surface of a third resin sheet. A second ground conductor is disposed on the upper surface of a fourth resin sheet. The first ground conductor and the second ground conductor are connected to each other by a interlayer connection conductor including a plurality of via conductors. The interlayer connection conductor does not define a closed loop surrounding the coil conductor.

Abstract: In an example embodiment, an airborne radio frequency (RF) antenna device can comprise: a radiating portion; a waveguide portion connected to the radiating portion; a desiccant airflow channel; and an internal air volume located within the RF antenna device and associated with the desiccant airflow channel. The desiccant airflow channel can be integral with the RF antenna device. The internal air volume can be vented to the environment outside of the RF antenna device through the desiccant airflow channel.

Abstract: An optically controlled microwave antenna that reduces optical power consumed by the antenna. The optically controlled microwave antenna includes an antenna array including plural antenna elements and a feed for illuminating the antenna array with and/or receiving microwave radiation of the operating frequency from the antenna array to transmit and/or receive microwave radiation. An antenna element includes a waveguide, an optically controllable semiconductor element arranged within the waveguide in front of a light transmissive portion of a second end portion, the semiconductor element changing its material properties under control of incident light, and a controllable light source arranged at or close to the light transmissive portion of the second end portion for projecting a controlled light beam onto the semiconductor element for controlling its material properties, in particular its reflectivity.

Abstract: An antenna device includes an antenna coil, a magnetic sheet, and a metallic member. The antenna coil is formed on a flexible base. The antenna coil is wound into a loop or a spiral in which a winding central portion is a coil opening portion. The magnetic sheet is disposed at a back surface of the flexible base. A square opening is formed in the metallic member. The antenna coil is exposed from the opening of the metallic member. A first side of the antenna coil is hidden by the metallic member and part of the coil opening portion and a second side are exposed from the opening, so that a magnetic flux links with the second side.

Abstract: Various mobile communication terminals, apparatuses, and methods having antenna improvements are discussed. An apparatus is described which includes an outer front side having a display disposed therein; an outer rear side a conductive part and a non-conductive part; a battery disposed between the outer front side and the outer rear side; and an antenna including a radiation unit capable of receiving a signal, at least a portion of the radiation unit being disposed between the outer front side and the non-conductive part of the outer rear side, a feeding unit which electrically connects the radiation unit to a circuit board, and a ground part which electrically connects the radiation unit to the conductive part of the outer rear side.

Abstract: An antenna system for ground penetrating radar, comprising at least one transmitter antenna (1) and at least one receiver antenna (2), where the transmitter antenna and receiving antennas are mounted on their own downwards sloping ground plane (5) in order form a V-shaped wedge with the tip pointed down towards the ground (10) during normal operation, where said antennas comprise of triangular or V-shaped monopoles made by applying metal surfaces on a sheet carrier (3) of a glass fiber substrate placed on the underside of a layer of a radar absorbing material (4), where the top side of the material layer is covered by a metallic ground plane (5).

Abstract: An antenna includes a dielectric material having i) a first side opposite a second side, and ii) a conductive via therein. A first planar conducting element is on the first side of the dielectric material and has an electrical connection to the conductive via. A second planar conducting element is also on the first side of the dielectric material. A gap electrically isolates the first and second planar conducting elements from each other. An electrical microstrip feed line on the second side of the dielectric material electrically connects to the conductive via and has a route that extends from the conductive via, to across the gap, to under the second planar conducting element. The first planar conducting element has a plurality of electromagnetic radiators, each having dimensions that cause it to resonate over a range of frequencies that differs from a range of frequencies over which an adjacent radiator resonates.

Abstract: Disclosed is a printed antenna which includes: a ground plane which is a layer of metal formed on the insulating layer; a feed unit which is multiple metallic lines formed on the insulating layer and includes a first end and a second end; a feed point which is set between the feed unit and the ground plane and is connected to the first end of the feed unit; a first radiation unit which is formed on the insulating layer, and configured to radiate or receive first frequency band signals; a second radiation unit which is formed on the insulating layer, connected to the second end of the feed unit, and configured to radiate or receive second frequency band signals; a third radiation unit, which is formed on the insulating layer, connected to the second end of the feed unit, and configured to radiate or receive third frequency band signals.

Abstract: An improved electricity meter antenna configuration is disclosed herein. An electricity meter may include, for example, a radio, a first printed circuit board element, a second printed circuit board element and a flexible printed circuit element. The first printed circuit board element may be, for example, a main printed circuit board to which one or more electrical components are attached. The flexible printed circuit element may include at least a portion of an antenna element that is connected to the radio. In some cases, the second printed circuit board element may serve to shield the antenna element on the flexible printed circuit element from noise generated by electrical components on the first printed circuit board element. In some cases, an electrical connection path between the antenna element and the radio may be configured such that it does not include any coaxial cabling.

Abstract: An antenna, including a ground plane, a dielectric substrate formed on the ground plane, a broadband dual-polarized dipole radiating element located on the dielectric substrate, a horizontally polarized dipole radiating element located on the dielectric substrate adjacent to the broadband dual-polarized dipole radiating element and having a projection parallel to a first axis, which first axis intersects the broadband dual-polarized dipole radiating element, a vertically polarized dipole radiating element located on the dielectric substrate adjacent to the broadband dual-polarized dipole radiating element and having a projection parallel to a second axis, which second axis intersects the broadband dual-polarized dipole radiating element and is orthogonal to the first axis and a feed network for feeding the broadband dual-polarized, vertically and horizontally polarized dipole radiating elements.

Abstract: A mobile communication device includes a metallic housing, a main board mounted within the metallic housing, and an antenna portion and a grounding portion, the antenna portion including at least a first antenna and a second antenna, wherein these antennas share a common radiation part formed by a metallic cover piece, a metallic surrounding piece, an insulating piece, and a connection piece; the cover piece is grounded, the grounding portion including a first grounding point and a second grounding point both provided on the main board, respectively located laterally to the connection piece and abutting against the metallic surrounding piece. A corresponding manufacturing method of the mobile communication device is also related.

Abstract: A portable computing device is disclosed. The portable computing device can take many forms such as a laptop computer, a tablet computer, and so on. The portable computing device can include a single piece housing formed from a radio opaque material with a cover formed from a radio transparent material. To implement a wireless interface, an antenna stack-up can be provided that allows an antenna to be mounted to a bottom of the cover. Methods and apparatus are provided for improving wireless performance. For instance, in one embodiment, a metal housing can be thinned to improve antenna performance. As another example, a faraday cage can be formed around speaker drivers to improve antenna performance.

Abstract: A system for transmitting or receiving signals may include an integrated circuit (IC), a transducer operatively coupled to the IC for converting between electrical signals and electromagnetic signals; and insulating material that fixes the locations of the transducer and IC in spaced relationship relative to each other. The system may further include a lead frame providing external connections to conductors on the IC. An electromagnetic-energy directing assembly may be mounted relative to the transducer for directing electromagnetic energy in a region including the transducer and in a direction away from the IC. The directing assembly may include the lead frame, a printed circuit board ground plane, or external conductive elements spaced from the transducer. In a receiver, a signal-detector circuit may be responsive to a monitor signal representative of a received first radio-frequency electrical signal for generating a control signal that enables or disables an output from the receiver.

Abstract: An integrated circuit package has a first side and an opposite second side. The integrated circuit package comprises: a stack of layers comprising at least a first and second electrically isolating layers, a dielectric material arranged on the stack of layers at the second side for encapsulating the integrated circuit package, a first integrated antenna structure for transmitting and/or receiving a first radio frequency signal, and a first array of electrically conductive vias extending through at least the first electrically isolating layer and the dielectric material. The first integrated antenna structure is arranged between the first and second electrically isolating layers and is surrounded by the electrically conductive vias which are electrically connected to respective first metal patches arranged on the dielectric material at the second side.

Abstract: An RFID IC assembly having a repassivation layer and a conductive redistribution layer may be assembled onto a tag substrate with an additional layer. The additional layer includes one or more etchants for creating an opening in a nonconductive barrier layer between the assembly and the substrate, and may also include an adhesive for attaching the assembly to the substrate.

Abstract: The present disclosure relates to the field of antenna technologies and discloses a feeding matching apparatus of a multiband antenna, a multiband antenna, and a radio communication device to improve a bandwidth and efficiency of a lower frequency band. The feeding matching apparatus of a multiband antenna includes: a grounding portion; a feeding portion connected to a signal source, where a signal of the signal source is input into the feeding portion; and two or more ground cable branches with different lengths, where one end of each ground cable branch is electrically connected to the feeding portion, the other end is electrically connected to the grounding portion, at least one ground cable branch is connected in series to a signal filtering component, and the signal filtering component is capable of preventing a signal lower than a frequency point corresponding to the signal filtering component from passing through it.

Abstract: A flared feed horn including a plurality of signal lines deposited on a bottom surface of a substrate and forming part of a TE11 sum mode launcher, a ground plane deposited a top surface of the substrate, and an outer conductor electrically coupled to the ground plane and having an internal chamber, where the conductor includes a flared portion and a cylindrical portion. The outer conductor includes an opening opposite to the substrate defining an aperture of the feed horn. The feed horn also includes an embedded conductor positioned within the chamber and being coaxial with the outer conductor, where the embedded conductor is in electrical contact with the plurality of signal lines. The feed horn also includes a TE12 difference mode launcher electrically coupled to the outer conductor proximate the aperture.

Abstract: An antenna device has a feed line including a triplate line. Each triplate line has a central conductor and two ground plates sandwiching the central conductor via an air layer. At least a part of the triplate line is configured such that the two ground plates sandwich a center substrate including a wiring pattern as the central conductor provided on a dielectric substrate via the air layer.

Abstract: There is provided a USB cable antenna which also uses a USB cable as an antenna that receives a high-frequency signal in a desired band, by connecting a metal shield of the USB cable to an ID terminal of a USB connector connected to the USB cable of a predetermined length connected to an information terminal device, connecting a high-frequency cutoff element having a high impedance for the high-frequency signal in the desired band to both ends of a power supply line and a ground line of the USB cable, and connecting a common mode choke having the high impedance for the high-frequency signal in the desired band to both ends of a transmission line of a differential signal of the USB cable.

Abstract: An antenna structure includes a feed terminal, a first antenna, and a second antenna. The first antenna includes a first antenna portion connected to the feed terminal, and a second antenna portion connected to the first antenna portion. The second antenna is substantially parallel to the second antenna portion and cooperatively defines a space with the second antenna portion.