Abstract: A single Vivaldi antenna plate (half Vivaldi antenna) over a ground plane can be used to achieve a 50-ohm impedance, or two or more single plates over a ground plane to achieve other impedances. Unbalanced 50-ohm transmission lines, e.g., coaxial cables, can be used to directly feed the antenna.

Abstract: A radio and power pole that includes a pipe defining a longitudinal interior cavity for storing modular electronic equipment (e.g., radios) is described. The radio and power pole can also include mounting channels extending longitudinally proximate to an interior surface of the interior cavity of the pipe, a structural spine extending longitudinally through the interior cavity of the pipe, ribs spaced apart from one another proximate to the interior surface throughout the interior cavity of the pipe, doors for accessing the interior cavity of the pipe, and a vent trap. The radio and power pole can be configured as a direct bury radio and power pole (possibly including one or more vaults). A radio and power pole can include a precast pier connected to the pipe and configured to support the pipe when the pier is inserted into the ground. A radio and power pole can include a bench disposed about the pipe.

Abstract: Disclosed herein are polarization and frequency reconfigurable origami-folded antennas and methods for making the same. An origami-folded antenna can include at least one ground plane that can include a dielectric stratum and a conductive stratum that is at least partially disposed on the conductive stratum. The origami-folded antenna can further include at least two helical sections that can include a dielectric sheet and a conductive sheet. The origami-folded antenna can be expanded to an expanded state and compressed to a compressed state along a center axis, and the antenna can have a greater length along the center axis when in the expanded state than when in the compressed state.

Abstract: An image forming apparatus includes a housing, a communication board, and a display device. The housing has an upper end portion, a front end portion, and a rear end portion. The front end portion and the rear end portion define a frontward/rearward direction. The communication board is provided on the upper end portion and includes an antenna for near field wireless communication. The display device is provided on the upper end portion. The display device and the antenna are arrayed on a straight line extending in the frontward/rearward direction such that the antenna is positioned frontward of the display device.

Abstract: Package structures are provided having antenna-in-packages that are integrated with semiconductor RFIC (radio frequency integrated circuit) chips to form compact integrated radio/wireless communications systems that operate in the millimeter wave (mmWave) frequency range with radiation in broadside and end-fire directions.

Abstract: An antenna comprising a main arm comprising conductive material, wherein the main arm is connected to a signal feed, and a first coupling arm comprising conductive material, wherein the first coupling arm is electrically coupled to a ground, and wherein the first coupling arm is electrically coupled to the main arm across a first span of nonconductive material. Also disclosed is a mobile node (MN) comprising a signal feed, a ground, and an antenna comprising a main arm comprising conductive material, wherein the main arm is connected to the signal feed, and a first coupling arm comprising conductive material, wherein the first coupling arm is connected to the ground, and wherein the first coupling arm is electrically coupled to the main arm across a first span of nonconductive material.

Abstract: A wideband array capable of MIMO operation and possessing low Passive Intermodulation (PIM) characteristics is described for use in Distributed Antenna Systems (DAS) and other applications which require low PIM levels. The antenna can be configured to provide a narrow radiated beamwidth across multiple frequency bands and can support high power levels. A novel antenna design is implemented to populate the array configuration, wherein both fed and counterpoise elements are isolated from the ground plane to provide low PIM performance, while maintaining constant beamwidth across wide frequency ranges.

Abstract: The present invention relates to a patch antenna having programmable frequency and polarization comprising the first metal covering layer, the dielectric layer, the second metal covering layer and four metallized through-holes, each of which are disposed sequentially from top to bottom, wherein the first metal covering layer comprises the feeding line and the radiating patch; the feeding line comprises the micro-strip line, which can be connected to the outer feeding port; the micro-strip line is connected to one side of the radiating patch through the high-resistance line; the radiating patch is a square-shaped metal patch; a gap is etched near the other side of the radiating patch, namely, the radiating edge; the gap is parallel to the radiating edge.

Abstract: Composite radome wall structures (10) exhibit both antiballistic and radar transparency properties and include an antiballistic internal solid, void-free core (12) and external antireflective (AR) surface layers (14-1, 14-2) which sandwich the core. The antiballistic core can be a compressed stack of angularly biased unidirectional polyethylene monolayers formed of tapes and/or fibers. Face sheets (16-1, 16-2) and/or one or more impedance matching layers (27, 28) may optionally be positioned between the antiballistic core and one (or both) of the external AR layers so as to bond the core to the AR surface layer(s) and/or selectively tune the radome wall structure to the frequency of transmission and reception associated with the radar system.

Abstract: An antenna device includes: a dielectric substrate formed with a ground plane; a patch antenna having a dominant polarization direction in a predetermined direction on the dielectric substrate; at least one patch radiating element for supplying electric power provided on the patch antenna, the at least one patch radiating element being formed on the dielectric substrate; a patch-shaped conductor pattern formed on a substrate front face of the dielectric substrate on which the patch radiating element is formed; a plurality of connection conductors formed to penetrate the dielectric substrate for electrically connecting the conductor pattern to the ground plane; and a conductive structure having the conductor pattern and a plurality of the connection conductors. A plurality of the conductive structures is provided.

Abstract: Wireless electronic devices may include a ground plane and metal antenna portions separated by input connector portions improving the metal look and feel of the wireless electronic device.

Abstract: An antenna for electrical coupling to a wireless communication circuit includes a first conductive strip segment having a first length, a second conductive strip segment having a second length different from the first length and coupled to the first conductive strip segment at a feed point to be electrically coupled to the drive node, and a third conductive strip segment having a third length less than both the first length and the second length. A first end of the third conductive strip is coupled to the feed point and a second end is coupled to circuit ground. The first conductive strip segment provides a first specified operating frequency range at a fundamental resonance mode corresponding to the first length plus the third length, and the second conductive strip segment provides a second specified operating frequency range at a fundamental resonance mode corresponding to the second length plus the third length.

Abstract: A structural antenna array may include a core including intersecting wall sections, wherein the core further includes antenna elements formed on a first surface of the wall sections, and feed elements formed on a second surface of the wall sections, a distribution substrate layer coupled to the core and in electrical communication with the antenna elements and the feed elements, a first skin coupled to the core opposite the distribution substrate layer, and a second skin coupled to the distribution substrate layer opposite the first skin.

Abstract: A nanofabric antenna is provided. The nanofabric antenna can include a fabric and a plurality of conductive nanowires extending outwardly from the fabric with the conductive nanowires forming a random array of monopoles. In this manner, an antenna can be included as part of a piece of clothing and/or a piece of fabric used or worn by an individual.

Abstract: An antenna device includes a first conductor plane and a second conductor plane that face each other. The first conductor plane and the second conductor plane are electrically continuous through a first connection conductor, a second connection conductor, and a chip capacitor. A power feed coil is disposed between the first conductor plane and the second conductor plane. The power feed coil includes a magnetic core and a coil conductor. The coil conductor defines a pattern such that the coil conductor winds around the magnetic core. The power feed coil is disposed at a position closer to the first connection conductor and magnetically couples with the first connection conductor.

Abstract: Provided is an antenna coil component including a bobbin around which a winding is wound, a base provided at least at one end side of the bobbin, and one or more metal terminals each fixed to the base, at least one metal terminal among these metal terminals including a fixing part for fixing the metal terminal to the base, a mounting part provided at a position away from the fixing part, and a neck part for connecting the fixing part and the mounting part to each other. The neck part has a length in a direction substantially orthogonal to a direction from the fixing part to the mounting part and substantially parallel to surfaces of the mounting part, which is narrower than that of the mounting part. Provided as well are an antenna unit using the antenna coil component, and a method of manufacturing the antenna coil component.

Abstract: A monopole antenna structure disclosed herein includes a ceramic block with a metallic surface coupled to a feed structure and a planar radiation element electrically floating relative to the ceramic block. The planar radiation element is in a parallel plane alignment with the metallic surface of the ceramic block. When the feed structure provides signal of one or more select frequencies to the metallic surface of the ceramic block, the ceramic block radiates (e.g., transmits a carrier wave) and in turn, excites the planar radiation element to re-radiate the signal.

Abstract: An antenna assembly includes a bobbin that provides a cylindrical body that defines an outer radial surface, an inner radial surface, and a central axis. One or more channels are defined on the outer radial surface, and each channel provides a first sidewall, a second sidewall opposite the first sidewall, a floor, and a pocket jointly defined by the first sidewall and the floor. A coil including one or more wires is wrapped about the bobbin and received within the one or more channels.

Abstract: A temporary microwave horn antenna coupling device is configured for collecting or injecting quantifiable samples of RF energy. The device comprises a reduced and highly matched radiating aperture, and a waveguide mounted single electric field probe. The electric field probe can be oriented at 45 degrees to the horizontal and vertical electric fields of a linearly polarized antenna, or oriented for a single linear polarization to the electric field in a circular polarized antenna. The electric field probe is connected to an attenuator and/or lossy cable for reduced reflections and gradient thermal dissipation.

Abstract: A lens is provided. The lens includes a first two-dimensional (2-D) grid of capacitive patches and a first sheet layer. The first sheet layer includes a dielectric sheet and a second 2-D grid of capacitive patches. The dielectric sheet has a front surface and a back surface. The first 2-D grid of capacitive patches is mounted directly on the back surface of the dielectric sheet, and the second 2-D grid of capacitive patches is mounted directly on the front surface of the dielectric sheet. The first 2-D grid of capacitive patches is aligned with the second 2-D grid of capacitive patches to form a time delay circuit at each grid position of the aligned 2-D grids.