Abstract: A laminated antenna structure includes a substrate, a first conductive circuit layer, an insulating colloidal layer, a second conductive circuit layer and a conductive structure. The first conductive circuit layer is disposed on or above the substrate, the second conductive circuit layer is disposed above the first conductive circuit layer, and the insulating colloidal layer is disposed between the first and the second conductive circuit layers. The first conductive circuit layer, the insulating colloidal layer and the second conductive circuit layer form a laminated capacitive structure. The conductive structure is electrically connected to a signal source on the substrate, and the signal source is electrically connected to at least one of the first conductive circuit layer and the second conductive circuit layer. The insulating colloidal layer contains catalyzers.

Abstract: Disclosed herein is an array antenna in which a plurality of radiating elements is arranged. The array antenna includes: a first layer comprising a first substrate forming an upper portion of the array antenna and a plurality of radiating elements disposed on the first substrate; a second layer comprising a second substrate forming a lower portion of the array antenna and a feedline disposed on the second substrate to supply output power to the plurality of radiating elements; and a third layer formed between the first layer and the second layer and comprising a ground plane and an aperture slot formed through the ground plane.

Abstract: A meander-type, frequency-scanned antenna with reduced beam squint suitable for use on an automated vehicle radar system includes a plurality of parallel sub-arrays, each sub-array equipped with a plurality of radiators. The antenna is formed by a serpentine-arrangement of a continuous-strip of material. The serpentine-arrangement configured so a first sub-array characterized by a signal propagating in a first-direction is adjacent to a second sub-array characterized by the signal propagating in a second-direction opposite the first-direction. The first sub-array and the second sub-array are each further configured to define a plurality of radiators configured such that a radar-beam emitted by the antenna in response to the signal is characterized by a direction-angle that is substantially unchanged when a frequency of the signal is varied.

Abstract: Dielectric-free, metal-only, dipole-coupled radiating array aperture with wide field of view.

Abstract: An antenna assembly includes a looped but open metallic antenna and a flat ceramic antenna within the loop of the metallic antenna. The metallic antenna includes a first end portion and a second end portion at two ends. The ceramic antenna is surrounded by the metallic antenna. The first end portion is connected to the ceramic antenna and the second end is a free end, and the output power of wireless signals thusly radiated is increased at given frequencies.

Abstract: An antenna using a length-adjustable slit includes a power supply line connected to a ground pad and a power supply pad for receiving a power supply signal from a PCB, the ground pad being connected to a case, a radiator formed on the case, the radiator including at least one slit having a dielectric embedded in the slit, and a plurality of switching terminals for controlling the resonant frequency of the slit.

Abstract: A mobile terminal, including metal back cover including metal cover plate, first and second metal frames respectively arranged at two opposite sides thereof for forming first gap, first metal frame comprising first, second and third radiating portions; antenna module fixed on metal back cover close to first metal frame, antenna module comprising system ground connected with metal cover plate, and antenna circuit board connected with system ground and first metal frame, antenna circuit board including grounding, feeding, matching circuit and tuner; grounding circuit comprises grounding point and grounding pin and going across first gap; the feeding circuit comprises feeding point and feeding pin and going across first gap; first, second and third radiating portions are configured that when tuning in middle-high frequency, first and second radiating portions serve as radiator of antenna module, and when tuning in low frequency, second and third radiating portions serve as radiator.

Abstract: Embodiments are provided for an efficient antenna design and operation method to adjust or add frequency bands at mobile devices using the available limited antenna size. The embodiments include electrically coupling to the antenna elements at a mobile or radio device a tuning stub or element through a printed circuit board (PCB) or a metal chassis. The PCB is placed between the antenna elements and the tuning stub and is connected to the antenna elements. The tuning stub, e.g., at a corner of the PCB, is connected or disconnected via a switch from the PCB, and hence the antenna elements, to shift the radiation of the antenna at different frequencies and also provide an additional mode of radiation. The tuning stub can also be switched to vary the radiation pattern of the antenna.

Abstract: The present invention relates to a parallel-feeding, dual-band and dual-polarized base station antenna comprising a radiating patch layer, four F-shaped metal strips which are perpendicular to the radiating patch layer and orthogonal to each other, and a feeding layer, which is sequentially disposed from top to bottom, wherein the radiating patch layer comprises the first metal covering layer and the first dielectric layer; wherein the first metal covering layer is square-shaped and an isosceles triangle having the same size is cut from each corner of the square; wherein the four F-shaped metal strips work as the extended part of the feeding layer to couple-feed the radiating patch layer; the feeding layer comprises the first metal feed-line layer, the second dielectric layer, the metal floor layer, the third dielectric layer and the second metal feed-line layer, which are sequentially disposed from top to bottom.

Abstract: The wide band frequency agile MIMO antenna is a 4-element, reconfigurable multi-input multi-output (MIMO) antenna system. Frequency agility in the design is achieved using varactor diodes tuned for various capacitance loadings. The MIMO antennas operate over a wide band, covering several well-known wireless standards between 1610-2710 MHz. The present design is simple in structure with low profile antenna elements. The design is prototyped on commercial plastic material with board dimensions 60×100×0.8 mm3 and is highly suitable to be used in frequency reconfigurable and cognitive radio based wireless handheld devices.

Abstract: An antenna for use in a communication system with a number of plates connected to a ground plane, where when the number of plates are excited by at least two electrical signals, the number of plates are arranged to radiate at least two electromagnetic signals each having an independent resonant frequency.

Abstract: A compact, agile polarization diversity, multiband antenna with integrated electronics for satellite communications antenna systems is disclosed. The antenna includes a feed assembly having integrated microwave electronics that are mechanically and electromagnetically coupled thereto in a distributed arrangement so that diverse polarization senses having a low axial ratio and electronic switching control is provided. The microwave electronics include a distributed transmitter that can include high-band and low-band transceivers. The high-band and low-band transceivers can include high-band and low-band transmitter and receiver pairs, respectively. The antenna presented enables the mechanical rotation of the orientation of the high-band transceiver for skew alignment while the low-band transceiver remains stationary relative to the antenna assembly.

Abstract: Provided is an electromagnetic wave shielding sheet including: a substrate that is formed in a nano-web form by spinning a polymer material into fiber strands by a spinning method; a conductive metal layer that is formed on one surface of the substrate for shielding electromagnetic waves; and an adhesive layer formed on the other surface of the substrate, to thereby make a thickness of the electromagnetic wave shielding sheet thin, and improve electromagnetic wave shielding performance.

Abstract: Various embodiments of the present invention include assemblies and methods for utilizing antennas with high gain in small satellites. In one embodiment, a satellite comprising a payload configured for transmitting data is provided. The payload may include various components of the satellite, such as the attitude control system, electrical power system, and/or communication system. The satellite may be configured to communicate with one or more ground stations. The satellite includes a support structure comprising at least one deployable panel, wherein the support structure houses the payload. The satellite also includes at least one antenna coupled to the support structure, wherein the deployable panel is configured to cover the antenna in a non-deployed state and to expose the antenna in a deployed state.

Abstract: A circuit board for an antenna assembly comprising: an antenna, a slot extending from a front end of the circuit board for trapping ground currents generated by the antenna, at least one electronic component placed at a front end of the circuit board, at least one of a biasing line and a ground line for the at least one electronic component wherein the biasing line and/or the ground line are routed from the electronic component through the slot.

Abstract: A mobile terminal includes: a plurality of antenna inputs; a selecting unit configured to select one of the plurality of antenna inputs; a metal chassis used for holding a panel for display and maintaining mechanical strength of the panel; and a PIFA type antenna having a resonance pattern and a coaxial cable in which a coating removed portion is provided in a part in a manner that an external conductor is exposed, the PIFA type antenna being configured to fix the coating removed portion in a vicinity of an upper end of the metal chassis.

Abstract: A superluminal antenna element integrates a balun element to better impedance match an input cable or waveguide to a dielectric radiator element, thus preventing stray reflections and consequent undesirable radiation. For example, a dielectric housing material can be used that has a cutout area. A cable can extend into the cutout area. A triangular conductor can function as an impedance transition. An additional cylindrical element functions as a sleeve balun to better impedance match the radiator element to the cable.

Abstract: An antenna module includes a radiation unit, a ground unit and an electrostatic protection unit. The radiation unit includes a metal element and a substrate. The metal element is disposed on a surface of the substrate. The ground unit is disposed on another surface of the substrate. The electrostatic protection unit is disposed in the substrate and connected between the metal element and the ground unit.

Abstract: An antenna system includes an antenna having an aperture, and a polarizer array. The polarizer array includes a support structure, at least two polarizer elements arranged relative to the support structure, each of the at least two polarizer elements rotatable about a separate axis, and an actuator coupled to the at least two polarizer elements, the actuator operative to effect common rotation of the at least two polarizer elements. The polarizer array is arranged to at least partially cover the antenna aperture.

Abstract: A device includes a plurality of antennas, including one or more active antennas, the antennas being configured in one of a plurality of possible configurations to achieve operation in WAN, LTE, WiFi, or WiMax bands, or a combination thereof. In some embodiments, a passive antenna is utilized with lumped loading to fix the antenna tuning state. A primary and auxiliary radiator can be included in the device and configured for WAN/LTE bands, while additional antennas can be incorporated for WiFi and WiMax bands. Various antenna configurations incorporate the antenna having multiple coupled regions.