Abstract: An antenna includes feed pads; a radiating portion disposed on one side of the feed pads and spaced apart from the feed pads, the radiating portion being constituted by a single conductor plate; and a ground part disposed on an opposite side of the feed pads from the radiating portion; wherein each of the feed pads has a polygonal shape.

Abstract: A radio frequency (RF) apparatus includes a radio frequency integrated circuit (RFIC) chip and an antenna module disposed on an upper surface of the RFIC chip. The antenna module includes a first antenna patch that is in parallel with the RFIC chip, the first antenna patch including a first penetration point, and a first power feed point connected to a first power feed line to transmit and receive a first RF signal of a first frequency band; and a second antenna patch disposed above the first antenna patch in parallel with the first antenna patch, the second antenna patch including a second power feed point connected to a second power feed line that penetrates through the first penetration point to transmit and receive a second RF signal of a second frequency band. The first penetration point is formed in a first region of the first antenna patch in which influence on an electric field generated by the first antenna patch via the first power feed point is minimized.

Abstract: A helix antenna structure includes loop antennas and a multilayered printed circuit board including printed circuit board layers. Each printed circuit board layer includes a peripheral loop antenna and each adjacent two loop antennas are electrically connected by a connection bridge functioning as a monopole antenna. A selected printed circuit board layer physically and electrically accommodates a transmitter inside ‘its’ peripheral loop antenna, and it further includes a first antenna feeding line which is connected to the loop antenna that is disposed on the selected printed circuit board layer and electrically connectable to a first output terminal of the transmitter. A second antenna feeding line is disposed on another printed circuit board layer and electrically connected to its loop antenna and connectable to another output terminal of the transmitter. The two antenna feeding lines lie in a plane perpendicular to an axis of the printed circuit board after its folding.

Abstract: The present invention discloses a new single polarized array waveguide antenna adapted to be configured above a signal processing substrate, and including an antenna array substrate and a waveguide body. The antenna array substrate includes a plurality of antenna units, each of which having a coupling portion and an impedance matching portion. The waveguide body is configured above the antenna array substrate, and includes a plurality of waveguide channels passing through the waveguide body. Each waveguide channel has a first ridge and a second ridge projecting from wall surfaces and arranged opposite to each other. The first ridge has a first lower withdrawn edge on a lower section of the waveguide channel, and the second ridge has a second lower withdrawn edge on the lower section of the waveguide channel.

Abstract: A chip antenna module includes: a solder layer disposed on a lower surface of the first dielectric layer; a first patch antenna pattern disposed on upper surface of the first dielectric layer and having a through-hole; a second patch antenna pattern spaced apart from an upper surface of the first patch antenna pattern and having an area less than an area of the first patch antenna pattern; a first feed via extending through the first dielectric layer and electrically connected to the first patch antenna pattern; a second feed via extending through the first dielectric layer and the through-hole, and electrically connected to the second patch antenna pattern; and shielding vias extending through the first dielectric layer, electrically connected to the first patch antenna pattern, and at least partially surrounding the second feed via.

Abstract: A roof antenna including an antenna base with a base plate, a spindle, a driver arranged on the spindle, and a locking element having a first limb and a second limb. The first limb has a first latching hook and the second limb has a second latching hook. The first limb and the second limb extend through an aperture in the base plate. A translatory movement of the driver on the spindle is transferred into a displacement of the locking element in a displacement direction perpendicular to the base plate.

Abstract: An improved passive RFID tag configured for needle implantation in a tail of a rodent using a small diameter needle provides for increased read distances and effectiveness. In various embodiments, the RFID tag is comprised of an elongated flexible substrate having a pair of opposed surfaces with a UHF RFID chip positioned on a first of the opposed surfaces and is directly electrically connected to a closed-loop multi-layer folded dipole antenna disposed on both of the opposed surfaces of the substrate. An antenna is electrically connected to the RFID chip and includes at least an inductor as part of the closed-loop antenna. In embodiments, the RFID tag can be read with at least 90 percent effectiveness by a 30 dB RFID tag reader at least 5 cm from a tail of the rodent.

Abstract: An omni-directional antenna module includes a plurality of vertically and horizontally polarized antenna elements arranged to provide 360° coverage around an antenna, and to eliminate nulls below the antenna. The antenna elements are arranged in parallel with respective orthogonal axes of a three-dimensional Cartesian coordinate system, with the centers of the antenna elements being arranged collinearly along the vertical or “Z” axis so that the radiation patterns of the individual orthogonally polarized dipoles do not interfere.

Abstract: Deployable reflectors and antennas and spacecraft using such reflectors are disclosed. An example disclosed reflector includes: a hub having a cross-section formed in a circular, elliptical or polygonal shape; a plurality of ribs, each rib having an inner side surface facing an outer peripheral side of the hub when folded, and an outer side surface that is a surface opposite to the inner side surface, the plurality of ribs being folded to be wound around an outer periphery of the hub such that the inner side surface of each rib and the outer side surface of its adjacent rib partially face each other or the outer side surface of each rib and the inner side surface of its adjacent rib partially face each other, each rib being deployed in a parabolic shape; and a sheet installed across each of the plurality of ribs and capable of reflecting radio waves.

Abstract: An active antenna for UHF/VHF signal receiving is described, the active antenna being capable of configuration in one of a plurality of possible modes. The active antenna includes an antenna element configured for multiple resonances in the UHF/VHF bands, and capable of generating multiple radiation modes as well as active impedance matching using a microprocessor and multi-port switch having variable or multiple selectable modes. The active antenna may include a second antenna element arranged in a right-angle orientation with respect to the first antenna element. The first antenna element, second antenna element, or a combination may be selected for receiving signals in at a desired frequency. A three-dimensional antenna assembly is also described. Each of the examples illustrate an active beam steering antenna capable of UHF/VHF signal receiving.

Abstract: An antenna structure includes a first main radiator, a second main radiator and a frequency adjustment radiator. The first main radiator is adapted to resonate in a first frequency band and a second frequency band, and includes a first section, a second section, a third section and a fourth section sequentially connected. The first section has a feed-in end, and the fourth section has a grounding end. The second section and the third section is connected in bent manner, a first slit is provided between the second section and the third section for adjusting impedance matching of the second frequency band. The second main radiator extending from the feed-in end is adapted to resonate in third frequency band and a fourth frequency band. The frequency adjustment radiator is connected to the third section and is adapted to adjust a resonant frequency point of the first frequency band.

Abstract: The present disclosure is a metamaterial-based object detection system. An intelligent antenna metamaterial interface (IAM) associates specific metamaterial unit cells into sub-arrays to adjust the beam width of a transmitted signal. The IAM is part of a sensor fusion system that coordinates a plurality of sensors, such as in a vehicle, to optimize performance. In one implementation, an MTM antenna structure is probe-fed to create a standing wave across the unit cells.

Abstract: An antenna apparatus for a mobile communication terminal with a no-breakpoint metal middle frame and an all-metal back cover is provided. The antenna apparatus includes an antenna main body, where an end of the antenna main body is connected to a circuit mainboard in a contacting manner, and the antenna main body is connected to the metal middle frame; and a notch structure connected to the circuit mainboard. A mobile communication terminal including the antenna apparatus is also provided.

Abstract: A ceiling enclosure that includes a main body, swing down panel and enclosure door. There are pivot ear retention legs extending from the main body. There are latch pin legs extending from the main body. The swing down panel is adapted to mount devices to the swing down panel. The swing down panel includes pivot ears extending from the swing down panel to attach to pivot ear retention legs and includes latch pin retention legs extending from the swing down panel to attach to latch pin legs.

Abstract: The invention comprises a device for receiving electromagnetic signal and radiating the signal further. With that device the signal can be repeated on the other side of a barrier, for example a wall, which prevents the signal to propagate. The receiving section (1) of the device has been made as a planar aperture antenna, as well as the re-radiating section (2). The above-mentioned planar aperture antenna has been made so that between the antenna parts of conductive material (6) there is an opening (7) which opens in the propagation direction of the signal (4 and 5). Between the above-mentioned receiving section (1) and the re-radiating section (2) there is a signal transmission section (3) which has been implemented as two parallel conductors (8) with a gap (9). The transitions between the receiving section (1), the signal transmission section (3) and the re-radiating section (2) have been realized in stepless manner without separate connectors.

Abstract: Described are several embodiments of parabolic reflective antenna systems where rigid parabolic dishes based on shape memory materials are deployed to full size and shape from compact pre-folded preforms by application of heat. Several shape memory feeds working with the dishes are presented. Feed preforms include corrugated, telescopic and flattened ribbon types which extend or unfurl into final shapes upon application of heat. Several dish and feed embodiments also contain supports for secondary reflectors and patch antennas.

Abstract: Multi-directional antenna assemblies including a plurality of individual antenna sections arranged in-line with a long axis, forming a linear assembly. An antenna assembly may include a radome over the linear assembly. A linear assembly may include three or more antenna sections, each with a trough-like reflector formed by two parallel walls, and may have corrugations at the outer edges to reduce noise. An array of radiators may be positioned at the base of each antenna section. The antenna sections may share a common vertical axis and each may have a beam axes that is offset by an angle. Adjacent antenna sections may be separated by an isolation plate with a corrugated outer edge. Each antenna section may radiate greater power in a specific direction as compared to the other antenna sections.

Abstract: A lens antenna apparatus includes a plurality of antenna units and a lens structure configured to change a phase of an electromagnetic wave, emitted by at least one antenna unit among the plurality of antenna units. The lens structure changes the phase such that the overall outputs from the plurality of antenna units have different radiation patterns.

Abstract: This invention refers to an antenna structure for a wireless device comprising a ground plane and an antenna element, wherein the ground plane has the shape of an open loop. The invention further refers to an antenna structure for a wireless device, such as a light switch or a wristsensor or wristwatch, comprising an open loop ground plane having a first end portion and a second end portion, the open loop ground plane defining an opening between the first end portion and the second end portion; and an antenna component positioned within the opening defined between the first end portion and the second end portion and overlapping at least one of the first end portion or the second end portion. Further the invention refers to a corresponding wireless device and to a method for integrating such an antenna structure in a wireless device.

Abstract: A radiating element for a base station antenna includes a first dipole radiator that has a first dipole arm that has a front surface and first and second extensions that project rearwardly from respective side edges of the front surface of the first dipole arm; a second dipole radiator that has a second dipole arm that has a front surface and first and second extensions that project rearwardly from respective side edges of the front surface of the second dipole arm; and a parasitic element having a first conductive segment that is configured to capacitively couple to the first extension of the first dipole arm, a second conductive segment that is configured to capacitively couple to the second extension of the second dipole arm, and a third conductive segment that electrically connects the first conductive segment to the second conductive segment.