Class / Patent application number | Description | Number of patent applications / Date published |
343753000 | With spaced or external radio wave refractor (e.g., lens) | 85 |
20080278393 | Antenna System - In an antenna system, lens elements are provided in or on the radome for beam formation and/or for influencing the gain of the antenna system. | 11-13-2008 |
20080284668 | GRADIENT INDEX LENS FOR MICROWAVE RADIATION - A gradient index lens for microwave radiation. The lens includes a plurality of electric field coupled resonators wherein each resonator has a resonant frequency. The resonators are arranged in a planar array having spaced apart side edges and spaced apart top and bottom edges. The resonant frequency of the resonators varies between at least two of the spaced edges of the array in accordance with the desired properties of the lens. | 11-20-2008 |
20090027287 | Systems and methods for communications through materials - A system and a method for communicating through materials are provided. One exemplary system is an antenna system for communicating through materials. The antenna system includes an antenna conductor that transmits an electromagnetic field bi-directionally, a lens layer that compresses the wavelength of the electromagnetic field and a backing material that re-directs the electromagnetic field in a chosen direction. The re-directed, compressed electromagnetic field has a sufficient frequency and power for the antenna system to effectively sense or transmit through a chosen material. | 01-29-2009 |
20090051613 | MICROWAVE ALIGNMENT APPARATUS - A microwave alignment apparatus to improve the gain/half-power beam widths/sidelobe of a microwave antenna for mm-wave applications. The microwave alignment apparatus is operable to align a microwave including a focusing device operable to focus a microwave and a mounting device operable to mount and/or hold the focusing device. The microwave alignment apparatus is formed as a one-piece component. | 02-26-2009 |
20090079644 | Reduced Beamwidth Antenna - Systems and methods for reducing the beamwidth of an antenna system are provided. An evanescent field generator generates an evanescent field representing a far field radio frequency (RF) signal received at the antenna system. A negative refractive index lens assembly focuses the evanescent field onto a focal plane. An RF detector assembly located in the focal plane detects the amplified evanescent field. | 03-26-2009 |
20090243948 | MODULAR UNIT FOR A RADAR ANTENNA ARRAY HAVING AN INTEGRATED HF CHIP - A modular unit for a radar antenna array having an integrated HF chip, at least one antenna element that has a microwave structure, a focusing element situated in the ray path of the radar antenna array upstream of the at least one antenna element, using which an amplified illumination of the HF chip is achieved, has, in particular, an addition-to-structure device, using which focusing elements of different antenna characteristics can be attached to the modular unit. The addition-to-structure device is preferably formed by fasteners such as clamping devices and plug-in devices. Positioning devices can additionally be provided, using which the focusing element can be attached to the modular unit with precision. | 10-01-2009 |
20090273532 | Ultra Low Loss Waveguide for Broadband Terahertz Radiation - An apparatus comprising a parallel plate waveguide (PPWG) comprising two plates separated by a distance that supports a multimode wave, and a transmitter configured to emit a wave having a frequency from about one hundred Gigahertz (GHz) to about ten terahertz (THz) and to couple to one mode of the PPWG. Also disclosed is an apparatus comprising two plates substantially parallel to one another and separated by at least about five millimeters (mm), and an antenna coupled to the two plates and configured to transmit or receive a wave having a frequency from about one hundred GHz to about ten THz. Disclosed is a method comprising polarizing an electromagnetic beam in the first transverse electric (TE | 11-05-2009 |
20090289863 | ANTENNA ARRAY WITH METAMATERIAL LENS - An antenna array comprises two or more antenna elements. Each of the two or more antenna elements is configured to scan within a field of view. Each of the two or more antenna elements is further configured to transmit or receive a signal. The antenna array also comprises a metamaterial lens coupled to the two or more antenna elements. The metamaterial lens is configured to distribute the signal according to a sinc-like distribution over an aperture of the antenna array. | 11-26-2009 |
20090295660 | Non-Planar Metamaterial Antenna Structures - Antennas for wireless communications based on metamaterial (MTM) structures to arrange one or more antenna sections of an MTM antenna away from one or more other antenna sections of the same MTM antenna so that the antenna sections of the MTM antenna are spatially distributed in a non-planar configuration to provide a compact structure adapted to fit to an allocated space or volume of a wireless communication device, such as a portable wireless communication device. | 12-03-2009 |
20090315794 | MILLIMETER-WAVE CHIP-LENS ARRAY ANTENNA SYSTEMS FOR WIRELESS NETWORKS - Embodiments of chip-lens array antenna systems are described. In some embodiments, the chip-lens array antenna systems ( | 12-24-2009 |
20100013726 | Antenna - An antenna ( | 01-21-2010 |
20100045554 | Metamaterial Antennas for Wideband Operations - Metamaterial antennas provide spatially varying electromagnetic coupling that enables impedance matching conditions for different operating frequencies of the MTM antennas so that such antennas can operate at different frequencies for wideband applications, including ultra wideband applications. | 02-25-2010 |
20100171673 | DEPLOYABLE LENS ANTENNA - A deployable lens is provided for an antenna. The lens comprises an array of metallic lens elements formed on a plurality of planar sections of a dielectric substrate, each lens element comprising a first end-fire element directed towards a feed side of the lens, a second end-fire element directed towards a non-feed side of the lens and a section of transmission line for coupling signals between the first and second end-fire elements. The section of transmission line, preferably in the form of a slot-line transmission line, is integrated with the end-fire elements and is of a length determined according to the position of the lens element within the aperture of the lens as deployed. An antenna is also provided comprising a deployable lens according to the present invention. | 07-08-2010 |
20100188304 | COMMUNICATION SYSTEM WITH BROADBAND ANTENNA - A communications system including an antenna array and electronics assembly that may be mounted on and in a vehicle. The communication system may generally comprise an external subassembly that is mounted on an exterior surface of the vehicle, and an internal subassembly that is located within the vehicle, the external and internal subassemblies being communicatively coupled to one another. The external subassembly may comprise the antenna array as well as mounting equipment and steering actuators to move the antenna array in azimuth, elevation and polarization (for example, to track a satellite or other signal source). The internal subassembly may comprise most of the electronics associated with the communication system. | 07-29-2010 |
20100201587 | INTEGRATED CIRCUIT MEMS ANTENNA STRUCTURE - An integrated circuit (IC) antenna structure includes a micro-electromechanical (MEM) area, a feed point, and a transmission line. The micro-electromechanical (MEM) area includes a three-dimensional shape, wherein the three dimensional-shape provides an antenna structure. The feed point is coupled to provide an outbound radio frequency (RF) signal to the antenna structure for transmission and to receive an inbound RF signal from the antenna structure. The transmission line electrically coupled to the feed point. | 08-12-2010 |
20100238081 | Antennas Based on Metamaterial Structures - Techniques, apparatus and systems that use one or more composite left and right handed (CRLH) metamaterial structures in processing and handling electromagnetic wave signals. Antennas and antenna arrays based on enhanced CRLH metamaterial structures are configured to provide broadband resonances for various multi-band wireless communications. | 09-23-2010 |
20100283695 | Waveguide Lens Antenna - A waveguide lens antenna (WGLA) with especially wideband characteristics. The geometry of the WGLA is shaped to result in ideal phase shift over a maximum bandwidth. The specific convex shape makes it possible to modulate the phase of all waveguides to generate a plane wave over a much wider frequency band than has earlier been possible. The waveguides are circular symmetric oriented which result in a favourable S-parameter matrix and low cross polar level. The WGLA have scanning properties i.e. provide multiple beams by moving the feeds on the focal plane behind the WGLA. | 11-11-2010 |
20100295744 | Waveguide Array - A lightweight convex waveguide lens for receiving and/or transmitting electromagnetic signals to/from one and/or multiple signal sources, with the ability to send and receive signals at the same time. This is achieved by assembling wave guiding channels (waveguides) in a structured array (super structure). The waveguides can be partly pre-assembled prior to assembly in the super structure. | 11-25-2010 |
20100321262 | DIELECTRIC ANTENNA - A dielectric antenna with an electromagnetic feed element ( | 12-23-2010 |
20110156973 | ANTENNA - An antenna has an antenna body having a plurality of first antenna elements situated along a first straight line. The antenna body includes a first conductive grounded surface and a second conductive grounded surface, the first and second grounded surfaces being situated essentially parallel to one another. A dielectric is situated between the first and second grounded surfaces. A signal conductor is also situated between the first and second grounded surfaces. The first antenna elements are designed as apertures situated above the signal conductor in the first grounded surface. Furthermore, the antenna is designed to emit a signal in a direction in space, depending on a frequency of the signal. At least two of the first antenna elements differ from one another in such a way that their power emissions are different. | 06-30-2011 |
20110199273 | PLANAR META-MATERIAL HAVING NEGATIVE PERMITTIVITY, NEGATIVE PERMEABILITY, AND NEGATIVE REFRACTIVE INDEX, PLANAR META-MATERIAL STRUCTURE INCLUDING THE PLANAR META-MATERIAL, AND ANTENNA SYSTEM INCLUDING THE PLANAR META-MATERIAL STRUCTURE - Provided is a planar meta-material ( | 08-18-2011 |
20110205134 | RFID SYSTEM WITH AN EDDY CURRENT TRAP - An REID antenna assembly configured to be energized with a carrier signal is disclosed. The REID antenna assembly includes an inductive component including a loop antenna assembly, at least one capacitive component coupled to the inductive component, and an eddy current trap positioned a predetermined distance from the loop antenna assembly. | 08-25-2011 |
20110267247 | APPARATUS FOR TRANSMITTING AND RECEIVING WIRELESS ENERGY USING META-MATERIAL STRUCTURES HAVING NEGATIVE REFRACTIVE INDEX - Disclosed herein is there is provided an apparatus for transmitting and receiving wireless energy using meta-material structures having a negative refractive index. The apparatus includes a wireless energy transmission unit and a wireless energy reception unit. The wireless energy transmission unit generates wireless energy to be wirelessly transmitted, and then wirelessly transmits wireless energy, which is normally propagated radially, using a magnetic resonance method while concentrating the wireless energy at a single point. The wireless energy reception unit wirelessly receives the wireless energy using the magnetic resonance method while concentrating the wireless energy at a single point. | 11-03-2011 |
20120019423 | PLANAR ANTENNA WITH COVER - Provided is a planar antenna based system for use as a radar level meter, microwave barrier or other suitable system. The system includes a planar radiator element arranged on a substrate, and a cover plate element made from a dielectric to cover the planar radiator element. In one alternative embodiment, the cover plate includes a cavity proximate the planar radiator element, into which the microwaves generated by the planar radiator element can be coupled. In another alternative, the cover plate is provided in a surface-flush position against the substrate in the edge region of the cavity. These arrangements may be provided in a plurality so as to support an overall system containing multiple radiator elements. | 01-26-2012 |
20120092223 | TERAHERTZ ANTENNA ARRANGEMENT - An antenna arrangement for generating and receiving terahertz radiation is described. The arrangement comprises a substrate comprising a photoconductive material and a pair of electrodes provided on the photoconductive material. Each electrode includes a plurality of elongate fingers spaced apart from each other which are arranged in a parallel relation and define finger gaps therebetween. The fingers of one electrode are located within the finger gaps formed between the spaced apart fingers of another electrode so that two neighboring fingers belong to different electrodes. The fingers of each electrode have at least one protrusion extending away from lateral sides of the fingers within the finger gap. Each protrusion is slanted with respect to the corresponding finger direction, and directed towards a neighboring slanted protrusion extending from the neighboring finger such that end edges of the neighboring protrusions extending from the neighboring fingers approximately face one another, thereby defining a protrusion gap between end edges of the facing protrusions. | 04-19-2012 |
20120112975 | ANTENNA WITH SHAPED DIELECTRIC LOADING - An apparatus, method of propagating a signal and method of manufacture for an antenna structure comprising a section which is positioned or formed in relation to a portion of the antenna structure, such that a portion of the electromagnetic (EM) field that is emitted from the antenna structure is partially slowed or phase shifted thereby resulting in an improvement of the horizontal gain of the EM field. | 05-10-2012 |
20120154232 | RESISTIVE FREQUENCY SELECTIVE SURFACE CIRCUIT FOR REDUCING COUPLING AND ELECTROMAGNETIC INTERFERENCE IN RADAR ANTENNA ARRAYS - An antenna system for reducing unwanted coupling and electromagnetic interference, the antenna system including a transmit module configured to send a signal, a receive module configured to receive the signal, a radome, and a resistive frequency selective surface circuit configured to reduce a coupled portion of the signal, the resistive frequency selective surface circuit disposed in a path of the coupled portion of the signal. | 06-21-2012 |
20120235872 | TRANSVERSE DEVICE PHASE SHIFTER - A phase shifter operable at microwave or millimeter-wave frequencies includes a dielectric substrate with a bottom surface having a conductive ground plane layer and a conductive patterned layer formed on a top surface to define a conductor pattern. A series of active tuning elements is mounted on the top surface and cascaded along a propagation direction in a spaced arrangement along a longitudinal extent. A housing structure includes a bottom housing structure with a planar conductive bottom surface for contacting the ground plane layer, and a top housing structure fabricated with a channel which extend along the longitudinal extent and provide clearance for the active tuning elements. A bias circuit is connected to the respective series of active tuning elements. | 09-20-2012 |
20120249388 | PLATFORM ENHANCEMENTS FOR PLANAR ARRAY ANTENNAS - A technique to extend antenna coverage pattern of a planar antenna array. In one instance a reflector is disposed above the planar antenna array and in another instance a lens element is disposed above the planar antenna array. The reflection or refraction of RF signals allows antenna coverage pattern to be extended in a horizontal direction parallel to the planar surface of the antenna array and beyond a coverage pattern that is typically not available, without such reflection or refraction of the RF signal. | 10-04-2012 |
20120280872 | ANISOTROPIC METAMATERIAL GAIN-ENHANCING LENS FOR ANTENNA APPLICATIONS - Examples of the present invention include metamaterials, including metamaterial lenses, having material properties that approximate the behavior of a material with low (011-08-2012 | |
20120280873 | INTEGRATED CIRCUIT MEMS ANTENNA STRUCTURE - An integrated circuit (IC) antenna structure includes a micro-electromechanical (MEM) area, a feed point, and a transmission line. The micro-electromechanical (MEM) area includes a three-dimensional shape, wherein the three dimensional-shape provides an antenna structure. The feed point is coupled to provide an outbound radio frequency (RF) signal to the antenna structure for transmission and to receive an inbound RF signal from the antenna structure. The transmission line electrically coupled to the feed point. | 11-08-2012 |
20120299788 | Antenna based on a metamaterial and method for generating an operating wavelength of a metamaterial panel - The present invention relates to an antenna based on a metamaterial and a method for generating an operating wavelength of a metamaterial panel. The antenna comprises a radiation source, and a metamaterial panel capable of converging an electromagnetic wave and operating at a first wavelength. The metamaterial panel is adapted to convert the electromagnetic wave radiated from the radiation source into a plane wave and to enable the antenna to simultaneously operate at a second wavelength and a third wavelength which are smaller than the first wavelength and are different multiples of the first wavelength. The present invention further provides a method for generating an operating wavelength of a metamaterial panel for use in the aforesaid antenna. These improve the convergence performance and reduce the volume and size of the antenna. | 11-29-2012 |
20130002499 | Man-made composite material and man-made composite material antenna - The present invention relates to a man-made composite material and a man-made composite material antenna. The man-made composite material is disposed in a propagation direction of a plane electromagnetic wave and convert it into a spherical wave. Reverse extensions of the spherical wave intersect at a virtual focus. A line connecting the virtual focus to a point on the second surface of the man-made composite material and a line perpendicular to the man-made composite material form an angle θ therebetween, which uniquely corresponds to a curved surface in the man-made composite material. A set formed by points having the same angle θ forms a boundary of the curved surface to which the angle θ uniquely corresponds. Each point on the curved surface to which the angle θ uniquely corresponds has a same refractive index. Refractive indices of the man-made composite material increase gradually as the angle θ increases. | 01-03-2013 |
20130002500 | Metamaterial and metamaterial antenna - The present invention relates to a metamaterial and a metamaterial antenna. The metamaterial is disposed in a propagation direction of the electromagnetic waves emitted from a radiation source. A line connecting the radiation source to a point on a first surface of the metamaterial and a line perpendicular to the metamaterial form an angle θ therebetween, which uniquely corresponds to a curved surface in the metamaterial. Each point on the curved surface to which the angle θ uniquely corresponds has a same refractive index. Refractive indices of the metamaterial decrease gradually as the angle θ increases. The electromagnetic waves propagating through the metamaterial exits in parallel from a second surface of the metamaterial. The refraction, diffraction and reflection at the abrupt transition points can be significantly reduced in the present disclosure and the problems caused by interferences are eased, which further improves performances of the metamaterial and the metamaterial antenna. | 01-03-2013 |
20130076581 | ANTENNA LENS COMPRISING A DIELECTRIC COMPONENT DIFFRACTIVE SUITABLE SHAPING A WAVEFRONT MICROWAVE - A lens antenna including at least one diffractive dielectric component capable of shaping a microwave frequency wave front having a wavelength comprised in a range from 1 millimeter to 50 centimeters, said diffractive dielectric component including a plurality of main microstructures formed in a substrate material with a substrate refractive index so as to form an artificial material of an effective refractive index, each main microstructure having a size of less than a target wavelength taken from said range of wavelengths, said main microstructures being laid out per zones, so as to make a surface filling level vary, the effective refractive index being a function of said surface filling level, the layout being such that the effective refractive index varies inside said one zone of said diffractive dielectric component quasi monotonously between a minimum value and a maximum value less than or equal to the substrate refractive index. | 03-28-2013 |
20130082889 | CONCENTRIC MILLIMETER-WAVES BEAM FORMING ANTENNA SYSTEM IMPLEMENTATION - An antenna implementation comprises an electromagnetic lens and at least one electromagnetically shielding member. The electromagnetic lens is adapted to guide at least one electromagnetic signal by means of at least a variation in permittivity. The at least one electromagnetically shielding member encapsulates the electromagnetic lens partially so as to direct at least one electromagnetic signal propagating through the electromagnetic lens. The at least one electromagnetically shielding member can advantageously be part of an enclosure; said enclosure encapsulates partially the electromagnetic lens. The antenna can further comprise antenna transmission means that contain wave guides. Said waveguides can advantageously be incorporated into the enclosure. The antenna is particularly suited for implementations using Substrate Integrated Waveguide techniques. SIW techniques allow miniaturization of the antenna and offer the advantage of low energy consumption as may be required in portable devices. | 04-04-2013 |
20130113668 | Systems for Focusing and Defocusing an Antenna - Embodiments provide systems for focusing and defocusing an antenna. The antenna may be a printed antenna, such as a patch antenna, for example, and may include a single element antenna or a multi-element antenna array. Embodiments include a focusing/defocusing structure, including a plurality of metal rings that form a multi-layer structure, peripheral to the antenna. In an embodiment, the focusing structure is designed to have a horn configuration, with the metal rings having progressively increasing respective widths in the direction away from the antenna. As a result, the forward gain of the antenna element is enhanced. The focusing/defocusing structure may be integrated within the chip on which antenna is mounted. In other embodiments, the focusing structure is built into the chip package, or built as a micro-electro-mechanical system (MEMS)-like structure on Silicon. | 05-09-2013 |
20130271331 | DIELECTRIC LENS STRUCTURES FOR EHF RADIATION - Communication devices for communicating using EHF electromagnetic radiation that include a dielectric lens configured to refract incident EHF electromagnetic radiation. The communication device may include an integrated circuit (IC) package that in turn includes a transducer configured to transmit and/or receive an EHF electromagnetic signal and convert between electrical signals and electromagnetic signals. The integrated circuit package may also include an integrated circuit including at least one of a transmitter circuit and a received circuit that is operatively coupled to the transducer. The dielectric lens is generally disposed so as to enhance transmission or reception of the EHF electromagnetic signal by the transducer. | 10-17-2013 |
20130285864 | COMMUNICATION SYSTEM WITH BROADBAND ANTENNA - A communications system including an antenna array and electronics assembly that may be mounted on and in a vehicle. The communication system may generally comprise an external subassembly that is mounted on an exterior surface of the vehicle, and an internal subassembly that is located within the vehicle, the external and internal subassemblies being communicatively coupled to one another. The external subassembly may comprise the antenna array as well as mounting equipment and steering actuators to move the antenna array in azimuth, elevation and polarization (for example, to track a satellite or other signal source). The internal subassembly may comprise most of the electronics associated with the communication system. | 10-31-2013 |
20140159972 | ON-BOARD RADAR HAVING LENS ANTENNA - An on-board radar includes a lens antenna which includes a lens, a substrate provided with a hole for disposing the lens, a plurality of parts provided on a portion of the substrate other than a portion on which the lens is provided, and a primary radiator which radiates electromagnetic waves onto the lens. | 06-12-2014 |
20140176377 | ANTENNA SYSTEM - An antenna system having a cylindrical electromagnetic lens configured to guide at least one electromagnetic signal to an emerging area by means of at least a variation in dielectric permittivity, thereby generating a beam output from the emerging area. The antenna system has a dielectric member configured to receive the beam output from the emerging area and to focus the beam in an elevation plane perpendicular to a planar face of the cylindrical electromagnetic lens. The cylindrical electromagnetic lens is received in a conductive mounting, and the mounting carries the dielectric member. | 06-26-2014 |
20140313090 | LENS WITH MIXED-ORDER CAUER/ELLIPTIC FREQUENCY SELECTIVE SURFACE - An apparatus includes a lens having a plurality of layers of conductive elements and a plurality of layers of dielectric. Each of the layers of dielectric is disposed between and in contact with two of the layers of conductive elements. Different layers of conductive elements can include different numbers of conductive elements. The layers of conductive elements and the layers of dielectric can form a Cauer/Elliptic frequency selective surface. The lens could include only three layers of conductive elements and only two layers of dielectric, where the lens is a mixed-order frequency selective surface with a middle layer of conductive elements having fewer conductive elements than outer layers of conductive elements. A size of the conductive elements in at least one of the layers of conductive elements could vary as distance from a center of the lens increases. | 10-23-2014 |
20140333497 | FOCAL LENS FOR ENHANCING WIDEBAND ANTENNA - An RF focusing component is provided for an antenna having a formed cavity between two adjacent lobes of planar conductive material positioned on a first side of a substrate with said cavity decreasing in diameter from a widest point of said cavity to a narrowest point along angled side edges, such as a planar notch or horn wideband antenna. The focal component positioned on an opposite side of a dielectric substrate from the horn of the antenna has a body with side edges adjacent angled sided edges of the notch or horn antenna to prevent distention of RF signals communicating through narrowing regions of the horn. | 11-13-2014 |
20150009080 | LENS WITH SPATIAL MIXED-ORDER BANDPASS FILTER - An apparatus includes a plurality of layers of conductive elements and a substrate layer. A first of the layers of conductive elements has a first portion that includes conductive elements having a first structure different from a second structure of conductive elements in a second portion of the first layer. The first layer can be in contact with one side of the substrate layer. Conductive elements in a second of the layers of conductive elements can be in contact with another side of the substrate layer. The lens may include a first type of unit cell including at least one conductive element having the first structure and conductive elements having the second structure positioned on different sides of the substrate layer. The first type of unit cell may provide a capacitively-loaded bandpass filter response, and a second type of unit cell may provide a bandpass filter response. | 01-08-2015 |
20150009081 | MILLIMETRE-WAVE RADAR - A millimeter-wave radar device including at least one millimeter-wave circuit and at least one antenna, wherein the millimeter-wave radar device is designed as a module having a multilayered multipolymer circuit board having at least a first layer composed of a polymer material having low dispersion of the dielectric constant, a second layer composed of a high-strength polymer material, which stabilizes the multipolymer circuit board, and a metallization layer, which is arranged between the first layer and the second layer and serves for shielding and for signal carrying, and the multipolymer circuit board carries the at least one millimeter-wave circuit and the at least one antenna. | 01-08-2015 |
20150029065 | HORN ANTENNA DEVICE AND STEP-SHAPED SIGNAL FEED-IN APPARATUS THEREOF - The present invention relates to a horn antenna device. The horn antenna device has a step-shaped signal feed-in apparatus and a conical horn antenna. The step-shaped signal feed-in apparatus has a stepped body having multiple stairs and a connecting pin. The stepped body is adapted to radiate electromagnetic waves and receive a reflection of the electromagnetic waves. According to the structure of the step-shaped signal feed-in apparatus of the invention, the resonating modes are easy to be determined. The directivity and the signal-to-noise rate are improved. In addition, the connecting pin is directly connected to the stairs for improving the signal stability of the horn antenna device. | 01-29-2015 |
20150042526 | HIGH DIELECTRIC ANTENNA ARRAY - A system and method for wirelessly transmitting signals via antenna phased array. In order to decrease the distance between individual antennae in the array, the antennae are submersed in a high dielectric material in addition to being arranged at right angles to one another, both features precluding one or more antennae from coupling. Furthermore, wires are covered in high dielectric material in order to refract RF signals around them, allowing antennae towards the center of the array to successfully transmit signals past other layers. | 02-12-2015 |
20150054702 | SUPPRESSING MODES IN AN ANTENNA FEED INCLUDING A COAXIAL WAVEGUIDE - An antenna feed with mode suppression includes a transition section, having a window for connecting to an output port of a waveguide and having inner and outer conductors forming a coaxial waveguide that couples energy from the waveguide into a horizontal TE | 02-26-2015 |
20150070230 | MULTI-BEAM ANTENNA WITH MODULAR LUNEBURG LENS AND METHOD OF LENS MANUFACTURE - A multiple beam antenna system is described. The system may include a mounting structure, a first wireless access antenna, a second wireless access antenna, and a radio frequency lens. The first and second wireless access antennas may be mounted to the mounting structure. Columns of radiating elements of the first and second wireless access antennas may be aligned with the radio frequency lens. The radio frequency lens may be modular in a longitudinal or radial direction, or in both directions. The radio frequency lens may include a plurality of compartments arranged to form a first cylinder made up of concentric, coaxial cylinders and a plurality of dielectric materials in at least some of the plurality of compartments. | 03-12-2015 |
20150303584 | CASSEGRAIN SATELLITE TELEVISION ANTENNA AND SATELLITE TELEVISION RECEIVING SYSTEM THEREOF - The present invention discloses a Cassegrain satellite television antenna comprising a metamaterial plate. The metamaterial plate comprises a core layer. The core layer comprises core sublayers. Each core sublayer comprises a circular area and a plurality of annuli distributed around the circular area. According to the Cassegrain satellite television antenna of the present invention, the traditional parabolic antenna is replaced with a sheet-like metamaterial plate which is easier to process and has a lower cost. In addition, the present invention also provides a satellite television receiving system equipped with the above-mentioned Cassegrain satellite television antenna. | 10-22-2015 |
20150325922 | ANTENNA DEVICE - An antenna device includes a wireless module, a module substrate, and a metal plate. The wireless module includes an antenna element that operates in a millimeter wave band. The module substrate is a multi-layer wiring module substrate on which the wireless module is mounted. The metal plate has a length of 1/10 or more of an operation wavelength and is positioned in a vertical direction relative to a plane surface of the antenna element and in a predetermined distance from the antenna element. | 11-12-2015 |
20150364828 | CASSEGRAIN MICROWAVE ANTENNA - Disclosed is a Cassegrain microwave antenna, which comprises a radiation source, a first metamaterial panel used for radiating an electromagnetic wave emitted by the radiation source, and a second metamaterial panel having an electromagnetic wave convergence feature and used for converting into plane wave the electromagnetic wave radiated by the first metamaterial panel. Employment of the principle of metamaterial for manufacturing the antenna allows the antenna to break away from restrictions of conventional concave lens shape, convex lens shape, and parabolic shape, thereby allowing the shape of the Cassegrain microwave antenna to be panel-shaped or any shape as desired, while allowing for reduced thickness, reduced size, and facilitated processing and manufacturing, thus providing beneficial effects of reduced costs and improved gain effect. | 12-17-2015 |
20160013564 | ANTENNA SYSTEM | 01-14-2016 |
20160087344 | LENS ANTENNA - Disclosed is a lens antenna comprising a dielectric lens consisting of a collimating part and an extension part, and an antenna element. The extension part of the lens comprises a substantially flat surface crossed by the axis of the collimating part, and the antenna element is rigidly fixed on the surface. The antenna element is formed by a hollow waveguide and comprises a dielectric insert with one end thereof adjacent to said surface; the size of the radiating opening of the waveguide is determined by the predefined width of the main beam and by side lobe levels of the radiation pattern of the lens antenna. The technical result of the invention is an increase in realized gain value due to the use of a waveguide antenna element with a dielectric insert, which provides impedance matching in a wide frequency bandwidth. The present invention can be used in radio-relay point-to-point communication systems, e.g. for forming backhaul networks of cellular mobile communication, in car radars and other radars, in microwave RF tags, in local and personal communication systems, in satellite and intersatellite communication systems, etc. | 03-24-2016 |
343754000 | With scanning, sweeping, or orienting | 18 |
20080238790 | Rotating Screen Dual Reflector Antenna - A system for steering a beam includes a main reflector that receives a signal from a subreflector and reflects the signal in a reflection direction. A prism refracts the signal in a refraction direction. One or more motors adjust a relative orientation between the main reflector and the prism to change a relative orientation between the reflection direction and the refraction direction to steer a beam resulting from the signal. | 10-02-2008 |
20080278394 | Low profile quasi-optic phased array antenna - A phased array antenna device is described. The phased array antenna device includes at least one one-dimensional phased array of radiating elements arranged along an array direction, a lens, and a phase control element. The lens is arranged such that divergent beams from the radiating elements are collimated by the lens in a direction orthogonal to the array direction to produce a beam. The phase control element is configured to apply a linear phase gradient to the radiating elements thereby providing one-dimensional electronic beam steering for the antenna device. The antenna device may additionally include one or two mechanical positioners to mechanically move the at least one one-dimensional phased array in directions orthogonal to the array direction, where the phased array enables scanning along the array direction. | 11-13-2008 |
20080291101 | METHOD AND APPARATUS FOR STEERING AND STABILIZING RADIO FREQUENCY BEAMS UTILIZING PHOTONIC CRYSTAL STRUCTURES - An RF beam steering device employs a prism assembly to steer an RF beam and a compensation device to address undesirable movement of the beam steering device. The prism assembly includes a plurality of dielectric prisms each with an associated impedance matching layer. The dielectric prisms are rotated relative to each other to steer the RF beam in a desired direction and further to compensate for movement of the beam steering device itself. The prisms include a plurality of individual panels with drilled or slotted openings that are arranged to create a periodic photonic crystal structure within a defined region. This configuration effectively alters the dielectric constant over any one particular region of a panel, thereby altering the level of diffraction possible for a specified panel thickness. The openings within each stacked panel are overlapped to produce the required level of diffraction and refractive index gradient. Motors rotate the prisms relative to each other to the correct orientation for steering the RF beam in a desired manner. | 11-27-2008 |
20090309799 | SINGLE-LAYER ADAPTIVE PLANE ARRAY ANTENNA AND VARIABLE REACTANCE CIRCUIT - A single-layer adaptive plane array antenna device includes a variable reactance circuit including a variable capacitance circuit controlled by bias voltage, a resonating folded line bias circuit having an AC grounding node for supplying the bias voltage to the variable capacitance circuit, for transmitting the bias voltage to the variable capacitance circuit including a thin line interconnecting spacer for transmitting the bias voltage to the variable capacitance circuit side and first and second open folded stubs each of which is connected to the thin line interconnecting spacer, each of which is also disposed in parallel with a longitudinal direction of each other in a prescribed small gap with the thin-line interconnecting spacer, each of which has a folded shape and each of which functions as an inductance element and a capacitance element respectively for separating the variable capacitance circuit from the AC grounding node. | 12-17-2009 |
20100039338 | Planar Scanner Antenna for High Frequency Scanning and Radar Environments - A planar scanning antenna is configured for scanning and tracking. In one embodiment, the planar scanning antenna may include a transducer module configured to provide an electromagnetic beam. According to another aspect of the invention, the apparatus may include a first planar dielectric element having an axis of rotation and configured to direct an electromagnetic beam. In one embodiment, a second planar dielectric element oriented adjacent to the first planar dielectric element and having the axis of rotation may be configured to direct electromagnetic energy. The apparatus may further include a mounting structure arranging the transducer module and the first and second planar dielectric elements. In yet another embodiment, the apparatus may include a drive means for positioning the first planar dielectric element independently from the second planar dielectric element. | 02-18-2010 |
20100134368 | INHOMOGENEOUS LENS WITH MAXWELL'S FISH-EYE TYPE GRADIENT INDEX, ANTENNA SYSTEM AND CORRESPONDING APPLICATIONS - The invention concerns an inhomogeneous lens with Maxwell's Fish-eye type gradient index ( | 06-03-2010 |
20100207833 | Multibeam Active Discrete Lens Antenna - A multibeam antenna comprising: a plurality of primary radiating elements, each associated to a respective beam; and an active radiating structure comprising a first planar array of radiating elements, a second planar array composed by a same number of radiating elements, a set of connections between each radiating element of the first planar array and one corresponding element of the second planar array, and a set of power amplifiers for amplifying signals transmitted through said connections; wherein: the relative positions of the radiating elements of the first and second planar arrays and phase delays introduced by said connections are such that the radiating structure forms an active discrete converging lens; and said primary radiating elements are clustered on a focal surface of said lens, facing the first planar array; characterized in that said first and second planar arrays are both aperiodic. A method of manufacturing such an antenna. | 08-19-2010 |
20100328174 | Cellular Reflectarray Antenna And Method Of Making Same - A method of manufacturing a cellular reflectarray antenna arranged in an m by n matrix of radiating elements for communication with a satellite includes steps of determining a delay φm,n for each of said m by n matrix of elements of said cellular reflectarray antenna using sub-steps of: determining the longitude and latitude of operation, determining elevation and azimuth angles of the reflectarray with respect to the satellite and converting theta | 12-30-2010 |
20120139804 | Low-Profile Multiple-Beam Lens Antenna - An antenna is provided for transmitting and receiving electromagnetic energy. A circular-shaped lens is disposed within a volume that has a first surface, a second surface, and a center, has an axis of rotation that passes substantially through the first surface, the second surface and the center. A plurality of feed elements are positioned at a plurality of focal points of the circular-shaped lens along at least a portion of a circle which is centered substantially on the axis of rotation. The thickness of the antenna is ⅓ or less of the diameter of the antenna. | 06-07-2012 |
20120176284 | ANTENNA ARRAY WITH METAMATERIAL LENS - An antenna array comprises two or more antenna elements. Each of the two or more antenna elements is configured to scan within a field of view. Each of the two or more antenna elements is further configured to transmit or receive a signal. The antenna array also comprises a metamaterial lens coupled to the two or more antenna elements. The metamaterial lens is configured to distribute the signal according to a sinc-like distribution over an aperture of the antenna array. | 07-12-2012 |
20120274525 | Steering Radio Frequency Beams Using Negative Index Metamaterial Lenses - A method and apparatus are present for steering a radio frequency beam. The radio frequency beam is emitted from an array of antenna elements at a first angle into a lens at a location for the lens. The first angle of the radio frequency beam is changed to a second angle when the radio frequency beam exits the lens. The second angle changes when the location at which the radio frequency beam enters the lens changes. The second angle of the radio frequency beam is changed to a third angle when the radio frequency beam with the second angle passes through a negative index metamaterial lens located over the lens. | 11-01-2012 |
20120287005 | MULTIBEAM ANTENNA SYSTEM - The present invention relates to a multibeam antenna system comprising:
| 11-15-2012 |
20120306708 | ANTENNA SYSTEM - An antenna system, comprising: a phased array antenna ( | 12-06-2012 |
20130021213 | ELECTRICAL STEERING LENS ANTENNA - An electrical steering lens antenna using a lens composed of a ferroelectric material is provided. The antenna includes a plate composed of a ferroelectric material. The antenna further includes a first resistive electrode disposed on a top surface of the plate. The antenna further includes a second resistive electrode disposed on a bottom surface of the plate. The antenna further includes a first conductive electrode disposed at a center of the first resistive electrode. The antenna further includes a second conductive electrode disposed along an edge of the first resistive electrode. The antenna further includes a power source connected to the first conductive electrode and the second conductive electrode. | 01-24-2013 |
20130162490 | DUAL-POLARIZED OPTICALLY CONTROLLED MICROWAVE ANTENNA - An optically controlled microwave antenna that reduces the optical power consumed by the antenna and to enable polarimetric detection an optically controlled microwave antenna comprises an antenna array and a feed for illuminating said antenna array with and/or receiving microwave radiation. The antenna array comprises a plurality of antenna elements each including a waveguide, two optically controllable semiconductor elements arranged within the waveguide in front of the light transmissive portion of the second end portion, 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 said semiconductor element for controlling its material properties, and a septum arranged within the waveguide in front of the light transmissive portion of the second end portion and separating said waveguide into two waveguide portions. | 06-27-2013 |
20140104124 | CONTROLLED LENS ANTENNA APPARATUS AND SYSTEM - Present configuration concerns microelectronics; for instance, compact antenna devices applied in mobile communications and other equipment operating in millimeter range. The controlled lens antenna apparatus may include antenna elements in an integrated circuit configured to transmit beams. The apparatus may also include a dielectric lens antenna configured to generate a plane wave based in the beams transmitted. The apparatus may include a plate configured to deflect the generated plane wave at a random angle. | 04-17-2014 |
20150097743 | NEAR-LINEAR DRIVE SYSTEMS FOR POSITIONING REFLECTORS - System for positioning a reflector includes a base ( | 04-09-2015 |
20150380829 | CONFIGURABLE MICROWAVE DEFLECTION SYSTEM - A configurable deflection system for an incident microwave frequency beam exhibiting a wavelength contained in a band of wavelengths corresponding to the microwave frequencies, comprising: a first and a second diffractive dielectric component suitable for each performing a rotation about a rotation axis Z, the deflection system being suitable for generating a microwave frequency beam by diffraction of the incident microwave frequency beam on the first and second components, the microwave frequency beam being oriented according to an angle that is a function of the angular positioning between the first and said second diffractive components, the first and second components respectively exhibiting a first and second periodic structure of first and second periods according to a first and second axis, the first and second structures respectively comprising a plurality of first and second primary microstructures formed respectively on a first and second substrate of first and second substrate refractive indices. | 12-31-2015 |
343755000 | With reflector | 13 |
20090079645 | Low Loss, Variable Phase Reflect Array - There is disclosed reflect array including a dielectric substrate having a first surface and a second surface. The first surface may support a first array of phasing elements and a second array of phasing element, where the elements of the first array have a first shape and the elements of the second array may have a second shape different from the first shape. The second surface may support a conductive layer. | 03-26-2009 |
20100001915 | COMPOSITE DIPOLE ARRAY ASSEMBLY - A composite dipole array assembly can have a composite dipole array defined by a plurality of antenna elements and a plurality of non-linear element electrically interconnecting pair of the antenna elements. A reflector can be configured to reflect electromagnetic energy toward the antenna elements. A lens can be configured to focus electromagnetic energy upon the antenna elements. In this manner, the efficiency of the composite dipole array is enhanced. | 01-07-2010 |
20100033389 | AUTOMOTIVE RADAR USING A METAMATERIAL LENS - An example apparatus comprises an electromagnetic source, such as an antenna, a metamaterial lens, and a reflector. The antenna is located proximate the metamaterial lens, for example supported by the metamaterial lens, and the antenna is operable to generate radiation when the antenna is energized. The reflector is positioned so as to reflect the radiation through the metamaterial lens. The reflector may have a generally concave reflective surface, for example having a parabolic or spherical cross-section. The metamaterial lens may have an area similar to that of the aperture of the reflector. In some examples, the antenna is located proximate a focal point of the reflector, so that a generally parallel beam is obtained after reflection from the reflector. | 02-11-2010 |
20100033390 | MILLIMETER-WAVE COMMUNICATION SYSTEM WITH DIRECTIONAL ANTENNA AND ONE OR MORE MILLIMETER-WAVE REFLECTORS - Embodiments of millimeter-wave communication systems and methods for communicating using millimeter-waves are described. In some embodiments, a directional antenna ( | 02-11-2010 |
20100039339 | RADIO WAVE LENS ANTENNA DEVICE - A radio wave lens antenna device including a semispherical Luneburg lens and a radio wave reflection plate. The radio wave lens antenna device prevents the signal reception sensitivity from being lowered in rain or snow. The radio wave lens antenna device includes a semispherical Luneburg lens | 02-18-2010 |
20110095953 | METAMATERIAL LENS FEED FOR MULTIPLE BEAM ANTENNAS - A multiple beam reflector antenna includes at least one reflector, a plurality of feed horns for feeding the at least one reflector, and a metamaterial lens interposed between the plurality of feed horns and the at least one reflector. The metamaterial lens may provide an overlapping element distribution from at least two feed horns of the plurality of feed horns. In one embodiment, the metamaterial lens has an index of refraction between about zero and about one. | 04-28-2011 |
20110175779 | CONDUCTIVE STRUCTURE FOR HIGH GAIN ANTENNA AND ANTENNA - Provided are a conductive structure for a high gain antenna and an antenna. A plurality of conductive patterns (512) of the conductive structure are formed on top and bottom surfaces of a dielectric substrate (511) positioned above the antenna and separated from an antenna body (500). A conductive upper structure of the antenna (510) is positioned above the antenna opposite to a ground plane (530) to which the antenna body is fed, separated from the antenna body. A conductive unit structure comprising a plurality of conductive patterns (512) formed on top and bottom surfaces of the dielectric substrate (511) is arranged in a plurality of layers. The conductive structure for a high gain antenna and the antenna can be readily produced by using low cost printed circuit board (PCB) technology, and a gain of the antenna can be increased regardless of a resonance distance between the ground plane of the antenna and the conductive structure disposed above the antenna. | 07-21-2011 |
20110309987 | REFLECTOR ANTENNA INCLUDING RADOME - A radome comprises a structure covering an antenna, the structure being substantially transparent to radiation of the antenna in a first direction and being less transparent to radiation of the antenna when deviating from the first direction, thereby imparting a directional profile to radiation of the antenna. The millimeter wave antenna structure comprises a sub-reflector lens, and a reflector, the sub-reflector lens in turn comprising a reflecting metal plate and a lens shaped dielectric material, the lens shaped dielectric material and the reflecting metal plate being shaped together to provide a predetermined radiation illumination pattern on the reflector. A waveguide matching holder connects a circular cross section waveguide via a circular cavity, and a rectangular waveguide feed via a rectangular cavity, the rectangular and the circular cavities being shaped to merge into each other. | 12-22-2011 |
20140320360 | OFFSET FEED SATELLITE TELEVISION ANTENNA AND SATELLITE TELEVISION RECEIVER SYSTEM THEREOF - Disclosed is an offset feed satellite television antenna comprising a metamaterial panel ( | 10-30-2014 |
20140320361 | FRONT FEED MICROWAVE ANTENNA - A front feed microwave antenna, which comprises a radiation source, a first metamaterial panel used for radiating an electromagnetic wave emitted by the radiation source, a second metamaterial panel, and a reflective panel affixed to the back of the first metamaterial panel. The electromagnetic wave is emitted via the first metamaterial panel, refracted by entering the second metamaterial panel, reflected by the reflective panel, and finally re-refracted by reentering the second metamaterial panel, then finally parallel-emitted. Employment of the principle of metamaterial for manufacturing the antenna allows the antenna to break away from restrictions of conventional concave lens shape, convex lens shape, and parabolic shape, thereby allowing the shape of the antenna to be panel-shaped or any shape as desired, while allowing for reduced thickness, reduced size, facilitated processing and manufacturing, reduced costs, and improved gain effect. | 10-30-2014 |
20140333498 | MULTIBEAM SOURCE - The invention relates to a multibeam source for a multibeam antenna, the source comprising a plurality of identical basic sources, such that the basic sources are combined into identical subnetworks around a central basic source, each subnetwork forming a beam, and such that two adjacent subnetworks comprise at least one common basic source, wherein the source includes: a supply and polarization stage for supplying power to the central basic sources and polarizing the electromagnetic field at the accesses of the central basic sources; and a stage for distributing the power from the central basic sources among the basic sources of the corresponding subnetwork and those common to a plurality of subnetworks according to a predetermined amplitude law. | 11-13-2014 |
20150091767 | Lensed Base Station Antennas - A lensed antenna system is provided. The lensed antenna system includes a first column of radiating elements having a first longitudinal axis and a first azimuth angle, and, optionally, a second column of radiating elements having a second longitudinal axis and a second azimuth angle, and a radio frequency lens. The radio frequency lens has a third longitudinal axis. The radio frequency lens is disposed such that the longitudinal axes of the first and second columns of radiating elements are aligned with the longitudinal axis of the radio frequency lens, and such that the azimuth angles of the beams produced by the columns of radiating elements are directed at the radio frequency lens. The multiple beam antenna system further includes a radome housing the columns of radiating elements and the radio frequency lens. There may be more or fewer than two columns of radiating elements. | 04-02-2015 |
20160104943 | PATCH ANTENNA-BASED WIDEBAND ANTENNA SYSTEM - Devices describe herein are configured to radiate radio frequency (RF) energy corresponding to RF signals from a first range of frequencies. The device comprises a patch antenna assembly comprising a microstrip disposed on a printed circuit board and a patch antenna. The device also includes a transmitter configured to generate RF signals from the first range of frequencies at an output of the transmitter and a center feed assembly comprising a waveguide, a lens and the patch antenna assembly disposed in the waveguide. The center feed assembly is configured to radiate from the lens radio frequency (RF) energy corresponding to RF signals from first range of frequencies at a power level greater than the first power level. | 04-14-2016 |