Class / Patent application number | Description | Number of patent applications / Date published |
343786000 | With horn | 64 |
20080198083 | PRIMARY RADIATOR - To produce a primary radiator including a horn part and a waveguide, the cross section of which is elliptical shape, and which can be easily formed, so that production cost is reduced, a primary radiator | 08-21-2008 |
20080238798 | Method for Making an Antenna Structure - A method for making a feed structure for an antenna may include providing a polarizer body having a polarizer sidewall extending longitudinally between spaced apart ends. A portion of the polarizer sidewall is deformed to provide at least one polarizing structure that extends radially inwardly along an interior of the polarizer sidewall relative to adjacent portions of the polarizer sidewall. The method thus can be utilized to produce an antenna structure. | 10-02-2008 |
20080297428 | HIGH-POWER DUAL-FREQUENCY COAXIAL FEEDHORN ANTENNA - Systems are disclosed for providing substantially equal E-plane and H-plane radiation patterns in a high power and dual band coaxial feedhorn antenna for a satellite communication system. One embodiment may include a coaxial feedhorn antenna comprising an outer coaxial horn portion for propagation of first signals and an inner horn portion for propagation of second signals. The coaxial feedhorn antenna may also comprise a conductive choke-ring coupled to the outer conductive wall, the conductive choke-ring being coaxial with the outer coaxial horn portion and the inner horn portion. The conductive choke-ring provides substantially equal E-plane and H-plane radiation patterns of the first signals and substantially reduced back-lobes. | 12-04-2008 |
20080297429 | CMOS IC and high-gain antenna integration for point-to-point wireless communication - A point-to-point radio communications device, with an integrated antenna-IC module, includes highly-directional antenna elements and silicon CMOS-based ICs in plastic packaging material. The high-gain horn-type antenna includes two sections made of molded plastic and covered in a metallic coating. When combined, the two sections form an aperture and an opening on a face. The face of the antenna element can be mounted directly to an integrated circuit with an antenna coupling element, such that the aperture forms a horn-IC module. The module can be completely enclosed in a plastic-packaging environment using low-cost approach. The antenna-IC module can be manufactured as an integral part of a case for a point-to-point wireless electronic device such as a mobile video phone or a set-top box with tens of gigabits of video downloading capability. | 12-04-2008 |
20090027290 | RADIO WAVE RECEIVING CONVERTER AND SATELLITE BROADCAST RECEIVING ANTENNA DEVICE - A radio wave receiving converter includes a main body portion including a first waveguide having a male thread on an outer circumference of the first waveguide, a feedhorn including a second waveguide having a female thread on an inner circumference of the second waveguide, a ring-shaped member including a circumferential wall portion and an annular step portion such that a groove portion where a portion near a tip of the second waveguide is inserted between the ring-shaped member and the outer circumference of the first waveguide is formed, and a sealing agent injected into a groove portion “b”. By this configuration, there is provided a radio wave receiving converter that has a simple structure of a connecting portion, has improved productivity of the components and assemblability of the finished components, and can achieve a reduction in size and weight. | 01-29-2009 |
20090033579 | Circularly polarized horn antenna - In some embodiments, a circularly polarized horn antenna may include a circular polarizer having a step shape. In some embodiments, a circularly polarized horn antenna may include a choke that is offset in position with respect to the antenna aperture. Such antennas may have a relatively constant beamwidth with respect to frequency, compact size, and/or low weight. | 02-05-2009 |
20090058749 | PRIMARY RADIATOR FOR PARABOLIC ANTENNA, LOW NOISE BLOCK DOWN-CONVERTER, AND PARABOLIC ANTENNA APPARATUS - A primary radiator for a parabolic antenna includes a cylindrical horn antenna body widened towards an end opening in a cone shape, a horn cap provided at the end opening of the horn antenna body, and a plurality of cylindrical protruding portions formed of a dielectric. The protruding portions are provided on the inner wall surface of the horn cap, concentric with a central axis of the horn antenna body, and concentrically arranged with each other, and the height of an inner one is determined to be higher than an outer one. According to such a configuration, a primary radiator for a parabolic antenna configured to favorably suppress the VSWR up to a bandwidth of 1050 MHz can be provided. | 03-05-2009 |
20090066598 | Modular waveguide feed horn - A modular waveguide feed horn is provided that includes an assembly having a waveguide plate section. The modular waveguide feed horn assembly also includes a feed horn section having at least one feed horn. The feed horn section is separately provided from and removably coupled to the waveguide plate section. | 03-12-2009 |
20090079649 | HORN ANTENNA - The invention relates to an antenna ( | 03-26-2009 |
20090102735 | Signal receiver circuit and method of implementation - Embodiments of the present invention recite an improved signal receiver circuit and a method of implementation. In one embodiment, a first signal pathway of a low-noise block feedhorn comprises a ceramic low-pass filter coupled with a first polarity signal input. In accordance with embodiments of the present invention, a second signal pathway of the low-noise block feedhorn comprises ceramic high-pass filter coupled with a second polarity signal input. | 04-23-2009 |
20090109111 | CROSS-POLAR COMPENSATING FEED HORN AND METHOD OF MANUFACTURE - A feed horn with a horn body and a waveguide body, each with a front end and a back end, respectively. The horn body and the waveguide body coupled together, the waveguide body front end to the horn body back end. The waveguide body provided with a waveguide bore between the front end and the back end. At least one slot formed in the waveguide bore parallel to a longitudinal axis of the body bore, the at least one slot extending to the front end. The horn body provided with a horn bore between the front end and the back end. The horn body and the waveguide body formable via injection molding methods such as die casting. | 04-30-2009 |
20090115676 | FEEDHORN ASSEMBLY AND METHOD OF FABRICATION THEREOF - In a terahertz radiation detection system, such as a terahertz camera, an array of feedhorns feeds detected radiation through waveguides to diode-based mixers for mixing with a local oscillator to produce modulated intermediate frequency (“IF”) signals that can be amplified and used in imaging. The mixers and waveguides are accommodated on the surface of a substrate and multiple substrates can be layered up to support a two-dimensional array of waveguide openings in a face of a waveguide/mixer block. A feedhorn block is brought into register with this face so that each waveguide opening connects with a feedhorn. In order to improve both manufacturing speed and performance, an end portion of each feedhorn is drilled into the opening of a respective waveguide. The main feedhorn block and the waveguide/mixer block are then assembled to bring the main body of each feedhorn into registration with an end portion. | 05-07-2009 |
20090251375 | MICROWAVE ANTENNA AND METHOD FOR MAKING SAME - A method for fabricating a microwave horn antenna in which a thermoplastic sacrificial layer is mounted to a thermoplastic horn layer. A heated horn embossing plate having at least one horn shaped embossing element is then moved into the horn layer so that the horn element penetrates through the horn layer and extends partially into the sacrificial layer thus forming a horn opening in the horn layer complementary in shape to the horn element. The horn layer and sacrificial layer are then separated from each other and the horn opening and at least a portion of the back surface of the horn layer is covered with a metal coating. A thermoplastic wave guide layer formed by embossing wave guide channels into the layer is covered with metal and attached to the back side of the horn layer to form the antenna. Alternatively, a portion of the horn and the remaining portion of a microwave channel are formed in both a first and second thermoplastic section. These portions of the microwave guide channel and horn are then coated with a metal material and the sections are secured together in a facing relationship so that the horn portions and wave guide channel portions on both the first and second sections register with each other. | 10-08-2009 |
20090267853 | MULTI-FEED HORN, LOW NOISE BLOCK DOWNCONVERTER PROVIDED WITH THE SAME AND ANTENNA APPARATUS - A multi-feed horn includes a first feed horn, a second feed horn and a third feed horn which are connected to a first waveguide, a second waveguide and a third waveguide, respectively. The first feed horn is provided with a first proximal end opening and a first tip opening which are rectangular in shape, the second feed horn is provided with a second proximal end opening and a second tip opening which are rectangular in shape, and the third feed horn is provided with a third proximal end opening and a third tip opening which are rectangular in shape. Consequently, a multi-feed horn, a low noise block downconverter and an antenna apparatus which allow a further improvement in the reception characteristic and in the manufacturing accuracy can be provided. | 10-29-2009 |
20090295661 | WIDE BAND TRACKING MODULATOR - A wide band antenna tracking modulator and method is disclosed. The system includes a common port for receiving an electromagnetic signal, a waveguide connected to the common port, at least a pair of side arms and a pair of coupling slots separated along an axis of the waveguide coupling the electromagnetic signals between the waveguide and the pair of side arms. The pair of coupling slots substantially coupled a higher order TE mode signal while substantially not coupling a primary TE mode signal. The method includes substantially coupling a higher order Transverse Electric (TE) mode signal of the electromagnetic signal while substantially not coupling a primary TE mode signal of the electromagnetic signal to at least a pair of side arms coupled to the wave guide though a pair of coupling slots separated along the axis of the waveguide. | 12-03-2009 |
20100019980 | APPARATUS FOR AN ANTENNA SYSTEM - An apparatus for an antenna system comprising at least one blade to cut the energy in the electric field received by an antenna into a plurality of portions and redirect said plurality of portions for detection by a plurality of detectors. The at least one blade may comprise a plurality of blades to cut the energy into successively smaller and smaller portions. The plurality of detectors can be positioned outside the focal region of the antenna system. If the dimensions of the detectors are required to be relatively large, the system can then detect more closely packed beams than if the detectors had been positioned in the focal region. The apparatus may further comprise at least one focusing element to focus the cut energy onto another blade or a detector. There is also provided an antenna system comprising a plurality of feed horns for producing a plurality of beams; and a plurality of elements to redirect said beams towards a focal region of the antenna system so as to form a group of closely packed beams for transmission by the antenna system. | 01-28-2010 |
20100026598 | SATELLITE BROADCAST RECEIVING CONVERTER - A satellite broadcast receiving converter is provided with a feedhorn to which a satellite broadcast wave is input, a circuit board on which a converting circuit to convert the satellite broadcast wave to a receiving signal is formed, and a converter case disposed on a back end side of the feedhorn to support the circuit board. The converter case is comprised of two case members configured to cover and shield the front and back surfaces of the circuit board, and to be able to hold the circuit board. A first case member of the two case members is integrally formed with the feedhorn. | 02-04-2010 |
20100033391 | Horn Antenna with Integrated Impedance Matching Network for Improved Operating Frequency Range - A dual- or quad-ridged horn antenna with an embedded impedance matching network is provided herein. According to one embodiment, the horn antenna may include at least one pair of ridges arranged opposite one another for guiding an electromagnetic wave there between. A transmission line is coupled to a first one of the ridges for supplying power to, or receiving a signal from, a feed region of the horn antenna. To reduce impedance mismatches between the transmission line and the ridges, an impedance matching network is embedded within a second one of the ridges at the feed point. The impedance matching network reduces impedance mismatch and extends the operational frequency range of the horn antenna by providing a sufficient amount of series capacitance between the transmission line and the ridges at the feed region. As set forth herein, the impedance matching network is preferably implemented as an open-circuit transmission line stub or capacitive stub. | 02-11-2010 |
20100085266 | APPARATUS FOR AN ANTENNA SYSTEM - An apparatus for an antenna system comprising one or more blades for splitting the electromagnetic field received by an antenna into a plurality of sections corresponding to separate beams and redirecting said plurality of sections for detection by a plurality of detectors. The apparatus may comprise a plurality of blades for splitting the field into successively smaller and smaller portions. The plurality of detectors can be positioned outside the focal region of the antenna system. The apparatus may further comprise focusing means for focusing the sections of the field onto another blade or a detector. There is also provided an antenna system comprising a plurality of feed horns for producing a plurality of beams; and a plurality of elements for redirecting said beams towards a focal region of the antenna system so as to form a group of closely packed beams for transmission by the antenna system. | 04-08-2010 |
20100097283 | ANTENNA AND RADAR APPARATUS - This disclosure provides an antenna device that includes a horn having a deeper-side portion and an opening-side portion, a feeder line, and an antenna element that is supplied with electric power from the feeder line to generate an electric wave, and radiates the electric wave from the horn. The feeder line is arranged parallel to the radiating direction of the electric wave. | 04-22-2010 |
20100109963 | Sealing an Antenna System - An adaptation apparatus comprises a closing-off body and an enlargement. The closing-off body comprises a generated surface which is adapted to establish contact with an external conductor of a waveguide. The enlargement is arranged on the generated surface. The enlargement is adapted such that the enlargement spaces apart an electrical short circuit at a predetermined space from the generated surface of the closing-off body. | 05-06-2010 |
20100141543 | MOLDED ORTHOMODE TRANSDUCER - In an exemplary embodiment, a dual-band four-port orthomode transducer (OMT) is molded or cast. The OMT may be external to a transceiver housing or included as an integrated portion of the transceiver housing or a drop-in module. In an exemplary embodiment, a four-port OMT is formed from two pieces, the two pieces having a joint adjacent to or aligned to the axis of the common port. In an exemplary embodiment, the OMT is substantially planar and formed of a split-block embodiment. The two OMT pieces are joined and held together with a plurality of discrete fasteners. Furthermore, the OMT is configured to switch polarizations. The polarization switching is initiated using a remote signal and can facilitate load balancing. | 06-10-2010 |
20100214186 | CMOS IC AND HIGH-GAIN ANTENNA INTEGRATION FOR POINT-TO-POINT WIRELESS COMMUNICATION - A point-to-point radio communications device, with an integrated antenna-IC module, includes highly-directional antenna elements and silicon CMOS-based ICs in plastic packaging material. The high-gain horn-type antenna includes two sections made of molded plastic and covered in a metallic coating. When combined, the two sections form an aperture and an opening on a face. The face of the antenna element can be mounted directly to an integrated circuit with an antenna coupling element, such that the aperture forms a horn-IC module. The module can be completely enclosed in a plastic-packaging environment using low-cost approach. The antenna-IC module can be manufactured as an integral part of a case for a point-to-point wireless electronic device such as a mobile video phone or a set-top box with tens of gigabits of video downloading capability. | 08-26-2010 |
20100238086 | DOUBLE-RIDGED HORN ANTENNA HAVING HIGHER-ORDER MODE SUPPRESSOR - A double-ridged horn antenna having a higher-order mode suppressor includes a pair of upper and lower ridges arranged opposite to each other, each of the upper and lower ridges having an inner surface to guide electromagnetic waves and an outer surface arranged opposite to the inner surface; upper and lower flares fixedly attached to respective outer surfaces of the upper and lower ridges; left and right flares coupled to the upper and lower flares to form a rectangular cone structure; and metal conductors symmetrically positioned between the upper and lower ridges and the left and right flares. | 09-23-2010 |
20110032167 | UWB ANTENNAS - Ultra-wideband (UWB) antennas for use with UWB transmitters and UWB receivers, that are useful, e.g., for UWB communications. | 02-10-2011 |
20110050527 | Broadband/Multi-Band Horn Antenna With Compact Integrated Feed - A dual polarization multi-band antenna may include a waveguide horn, a low band feed section, a transition section, and a high band feed section coupled in series. The waveguide horn may be configured to support propagation of electromagnetic waves in a low band and a high band. The low band feed section may include horizontal and vertical feeds and may be configured to support propagation of electromagnetic waves in the low band and the high band. The high band feed section may include horizontal and vertical feeds and may be configured to support propagation of electromagnetic waves in the high band but not in the low band. The transition section may be configured to couple electromagnetic waves in the high band from the high band feed section to the low band feed section and to constructively reflect electromagnetic waves in the low band. | 03-03-2011 |
20110205136 | SYSTEM AND METHOD FOR HYBRID GEOMETRY FEED HORN - A feed horn and systems and methods of making and using the feed horn are presented. Exemplary feed horns include a first portion comprising a dual mode geometry and a second portion comprising an axial corrugation geometry. The feed horn may operate simultaneously in a plurality of separate frequency bands (e.g., from about 18.3 GHz to about 20.2 GHz and from about 29.1 GHz to about 30.0 GHz) and a plurality of separate waveguide modes (e.g., TE | 08-25-2011 |
20110234466 | ANTENNA ELEMENT-WAVEGUIDE CONVERTER AND RADIO COMMUNICATION DEVICE USING THE SAME - An antenna element-waveguide converter includes an antenna substrate having, on one surface, an antenna element and rectangular metal plates arranged in a plurality of rows to surround this antenna element, and a waveguide having, at one end, an opening opposed to the one surface of the antenna substrate. Surfaces of the rectangular metal plates and the opening of the waveguide are arranged with a predetermined gap left therebetween in a direction perpendicular to the one surface of the antenna substrate. Thus arranging the antenna substrate and the waveguide avoids a stress due to assembly variations, which can achieve favorable antenna characteristics. | 09-29-2011 |
20110279339 | DUAL CIRCULARLY POLARIZED ANTENNA - A dual circularly polarized antenna is described. In some embodiments, the antenna includes a waveguide having an aperture at a first end and a conducting component at a second end, the conducting component shorting the waveguide. A first driven dipole is substantially orthogonal to a second driven dipole, and both the first and second driven dipoles are located near the aperture of the waveguide. The first and second driven dipoles are connected to the conducting component by one or more plates and configured to be fed in quadrature. A resonator is positioned near the first and second driven dipoles. | 11-17-2011 |
20120086618 | Beamwidth Adjustment Device - A beamwidth adjustment device, which is used for a feedhorn comprising an opening and a ring encircling the opening, comprises a conductor used for adjusting beamwidth formed by the feedhorn according to a characteristic of a dish of a satellite antenna corresponding to the feedhorn, and a fixing element used for fixing the conductor to the feedhorn, wherein the satellite antenna is used for receiving signals from the feedhorn. | 04-12-2012 |
20120105293 | HORN ANTENNA AND SYSTEM FOR TRANSMITTING AND/OR RECEIVING RADIO FREQUENCY SIGNALS IN MULTIPLE FREQUENCY BANDS - A horn antenna includes smooth-walls with multiple slope discontinuities. The horn antenna may have more than an octave bandwidth with a 2.25:1 bandwidth ratio to cover the frequencies of 20 GHz, 30 GHz, and 45 GHz, or all the desired bands for military or other communications. | 05-03-2012 |
20120133564 | ANTENNA SYSTEM AND METHOD - A device comprising a metallic conical portion, said conical portion substantially hollow having a vertex end and a base end, a first cylindrical portion disposed annularly about the base end of the conical portion, a metallic second cylindrical portion coupled to the vertex of the conical portion, said cylindrical portion having a threaded aperture, and an antenna feed coupled to the threaded aperture. The device may have a patch disposed on an insulator portion connected to the second cylindrical portion, said patch and insulator portion each having an aperture, and a metallic ground portion connected to the insulator portion, said ground portion having an ground aperture, and a threaded screw disposed through the ground aperture, the patch, the insulator aperture and into the threaded aperture. An RF feed may be created by coupling the threaded aperture to a conductive material disposed on the insulator portion. | 05-31-2012 |
20120139807 | Electrically large stepped-wall and smooth-wall horns for spot beam applications - Electrically large, stepped-wall or smooth-wall, direct-radiating horn antenna apparatus that may preferably be used in satellite spot beam applications. Exemplary electrically large smooth-wall horn antenna apparatus comprises one or more input ports, an electrically large output port, and a smooth-wall or stepped-wall tapered section having a spline-shaped profile extending from the input port(s) to the output port of the apparatus. The spline-shaped profile is preferably monotonic and is preferably configured to generate a spot beam. The spline-shaped profile may be configured to support multiple frequency bands, and dual simultaneous polarization having either linear or circular polarization. The spline-shaped profile is defined by spline knots, and, the knot radii form a nondecreasing sequence. Preferably, the spline-shaped profile comprises a piecewise cubic Hermite interpolating polynomial spline that interpolates the shape of curves between the spline knots. | 06-07-2012 |
20120154233 | SMOOTH-WALLED FEEDHORN - A device for at least one of receiving and transmitting electromagnetic radiation includes a feedhorn having a substantially smooth, electrically conducting inner surface extending from an open end to a feed end, the inner surface being substantially rotationally symmetrical about a longitudinal axis, wherein an orthogonal distance from a point on the longitudinal axis to the substantially smooth, electrically conducting inner surface increases monotonically as the point on the longitudinal axis is selected at successively greater distances from the feed end of the feedhorn towards the open end of the feedhorn such that a profile of the substantially smooth, electrically conducting inner surface of the feedhorn is monotonically increasing. The feedhorn has an operating bandwidth and the feedhorn provides a maximum of −30 dB cross polarization response over at least 15% of the operating bandwidth. A method of producing a feedhorn for receiving or transmitting electromagnetic radiation includes determining a profile of an inner surface of the feedhorn based on constraints required to achieve a plurality of operating parameters, providing a pre-machined feedhorn having an initial inner surface, and machining the initial inner surface of the pre-machined feedhorn to substantially match the profile determined to achieve the plurality of operating parameters for the feedhorn. The determining the profile includes a constraint for the profile to be a monotonically increasing profile relative to a rotational symmetry axis of the inner surface of the feedhorn going from a narrow end to a wide end of the feedhorn. | 06-21-2012 |
20120176287 | PRINTED CIRCUIT BOARD BASED FEED HORN - A new class of feed horns is provided based on the use of metamaterial printed circuit board (PCB) liners on the walls of the feed horns. These feed horns may be implemented to achieve low cost operation. PCBs making up the metamaterial liner may be assembled together in such a manner as to form a feed horn with a square or rectangular aperture shape, although other suitable shapes are possible. These PCBs may be fabricated from standard low cost, off-the-shelf dielectric material. A conductor artwork pattern on the PCB surface forming the interior surface of the feed horn can be designed such that the PCB feed horn yields radio frequency (RF) properties similar to that of a corrugated feed horn. A simple flat plate ground plane bonded to the back side of the PCB can serve as the feed horn structure. | 07-12-2012 |
20120200470 | Corrugated Horn Antenna with Enhanced Frequency Range - A radiator element for transmission and reception of RF communications formed of a planar conductive material positioned upon a planar dielectric substrate surface. Two lobes formed of the conductive material have side edges abutting a cavity decreasing in cross section between the lobes. The cavity has a widest point configured to receive RF frequencies at the lowest frequency and a narrowest point configured to receive a highest frequency of the element. The widest and narrowest point may be changed during manufacture to fit the frequency spectrum needed. Opposing pairs of recess cavities formed in the side edges of the lobes along the decreasing edges of the cavity enhance the frequency of operation for frequencies paired to the distance between the pairs of notches. Projections are employable along the side edges to optimize impedance. | 08-09-2012 |
20120206312 | Horn Antenna for a Radar Device - A horn antenna for a radar device comprising a metal body having a tubular hollow waveguide section opening into a hollow horn section, a dielectric filling body filling up the inner space of the horn section, and a dielectric cover, wherein the horn antenna is configured to protrude in a measurement environment, protected from highly aggressive process environments and is usable over a wide temperature range. | 08-16-2012 |
20120319910 | CORRUGATED HORN FOR INCREASED POWER CAPTURED BY ILLUMINATED APERTURE - Feed horn transmitting and receiving signals and method of making. Feed horn includes a throat section structured to convert a TE | 12-20-2012 |
20130076584 | High Performance (mini-cube) Indoor HDTV Antenna - This invention discloses a design and fabrication of a high performance compact antenna to receive public airwaves HDTV signals. The subject antenna consists of a high efficient cone shape broadband element excited over a small metal ground plane. A reflecting surface is implemented to help rejecting any unwanted multiple reflecting signals from the surrounding objects. Outstanding impedance characteristics and broad pattern coverage have been obtained. The pattern coverage is omnidirectional. The polarization is linear along the cone axis. This antenna design operates well in a weak signal environment and as a result the antenna can receive a large number of public channels. Although the antenna measures only 5¾×5¾×3¼ inches in a cubical enclosure or in a 6⅜ inches diameter by 3½ inches depth cylindrical body, the antenna packaged in either enclosure can receive more public channels than a much larger antenna twice of its size. Two invention antennas have been fabricated and tested and the test results confirmed that all antennas of either enclosure were performing well as expected. The invention antennas receive more than 130 public channels. | 03-28-2013 |
20130141299 | HORN ANTENNA INCLUDING INTEGRATED ELECTRONICS AND ASSOCIATED METHOD - An antenna device includes a housing having a plurality of printed circuit board (PCB) panels connected together with folded joints therebetween to define a polyhedral shape having a first open end. Each of the PCB panels includes a dielectric substrate and an electrically conductive layer thereon inside of the housing. Wireless communication circuitry is mounted on at least one of the plurality of PCB panels outside the housing, and an antenna feed is connected to the wireless communication circuitry adjacent a second end opposite the first open end of the housing. | 06-06-2013 |
20130141300 | DUAL-CIRCULAR POLARIZED ANTENNA SYSTEM - In an example embodiment, an azimuth combiner comprises: a septum layer comprising a plurality of septum dividers; first and second housing layers attached to first and second sides of the septum layer; a linear array of ports on a first end of the combiner; wherein the first and second housing layers each comprise waveguide H-plane T-junctions; wherein the waveguide T-junctions can be configured to perform power dividing/combining; and wherein the septum layer evenly bisects each port of the linear array of ports. A stack of such azimuth combiners can form a two dimensional planar array of ports to which can be added a horn aperture layer, and a grid layer, to form a dual-polarized, dual-BFN, dual-band antenna array. | 06-06-2013 |
20130169500 | LOW-NOISE-FIGURE APERTURE ANTENNA - Embodiments of the present invention concerns an aperture antenna that comprises: a receiving element, which includes an aperture and is configured to receive, through the aperture, radio signals having frequencies within a given band of radio frequencies; a waveguide configured to receive radio signals from the receiving element; and a frequency selective structure, which is arranged between the receiving element and the waveguide, and comprises metamaterial structures that extend partially inside the receiving element and/or partially inside the waveguide and that are configured to cause the propagation, from the receiving element to the waveguide, of only the received radio signals that have frequencies comprised within a predetermined sub-band of the given band of radio frequencies. Furthermore, the frequency selective structure is configured to reflect back into the receiving element the received radio signals that have frequencies not comprised in the predetermined sub-band. | 07-04-2013 |
20130176185 | BROADBAND ANTENNA FEED ARRAY - A microwave antenna suitable for monopulse radar applications is operable over a broad frequency band. The antenna uses a horn with two walls. Each wall includes two ridges that extend into an inner region of the horn near the horn's base and then taper into the wall surfaces. The horn is coupled to two ridged waveguide sections with the ridges of the waveguide sections matched to opposed pairs of the horn ridges. The antenna may be coupled to electronics via standard waveguides. In many embodiments, dimensions of the waveguides coupled to the horn are smaller (to provide a small array spacing) than dimensions of the standard waveguides with a tapered waveguide section providing a transition. In one embodiment, the antenna operates with frequencies from 5.25 to 10.5 GHz. | 07-11-2013 |
20130201070 | WIRELESS COMMUNICATIONS DEVICE HAVING LOOP WAVEGUIDE TRANSDUCER WITH SPACED APART COUPLING POINTS AND ASSOCIATED METHODS - A wireless communications device may include wireless communications circuitry and a waveguide transducer coupled to the wireless communications circuitry. The waveguide transducer may include a loop electrical conductor having a plurality of spaced apart gaps therein defining a plurality of respective spaced apart coupling points. The waveguide transducer may also include a feed assembly that may include at least one waveguide feed, and a feed network coupled between the at least one waveguide feed and the plurality of coupling points. The waveguide transducer may further include a waveguide surrounding the loop electrical conductor and extending outwardly therefrom. The waveguide may include a tubular body having an open end and an opposing closed end carrying the loop electrical conductor. | 08-08-2013 |
20130271335 | HORN ANTENNA APPARATUS - Disclosed is a horn antenna apparatus. The horn antenna apparatus includes a substrate; and a silicone antenna part bonded to the substrate and provided with a horn cavity having a radiating aperture part having one portion opened to the outside in a horizontal direction to a bonding surface. In accordance with the embodiment of the present invention, it is possible to easily implement the horn antenna apparatus capable of saving cost and providing the high gain using the photolithography and chemical etching method and to implement the terahertz transmitting and receiving module capable of saving cost and providing the high efficiency using the same. | 10-17-2013 |
20130314288 | Differential High Power Amplifier for a Low Profile, Wide Band Transmit Array - An integrated differential high power amplifier-radiator array that overcomes the prior art impedance match issues is described. An impedance matching balun is used to feed a high output impedance, differential HPA, which in turn drives a wide band radiator or array of radiators having a matching input impedance to provide a highly efficient, compact transmit system. In one exemplary embodiment, the HPA may be a high impedance Class-B HPA configured as a push-pull cascode amplifier. A high impedance isolator or circulator may be used between the HPA and the radiator. One of ordinary skill in the art will readily appreciate that a receive implementation, using a properly matched low noise amplifier in place of the HPA, is also possible. Similarly, with the addition of a slotline circulator, transceiver operation is also attainable with the addition of an impedance matched receive chain. | 11-28-2013 |
20130314289 | PHASE SHIFT DEVICE AND METHOD - A phase shift device includes an input quadrature junction for receiving an input EM signal and extracting a first electromagnetic (EM) signal, a second EM signal, a third EM signal, and a fourth EM signal from the input EM signal. Four waveguide arms are operatively connected to the input quadrature junction for respectively conveying the first, second, third, and fourth EM signals therethrough. At least two of the waveguide arms shift the phase of EM signal conveyed therethrough such that two of the first, second, third, and fourth EM signals are phase shifted with respect to the other two of the first, second, third, and fourth EM signals. An output quadrature junction is operatively connected to the waveguide arms for combining the first, second, third, and fourth EM signals. Thus, polarization adjustment may be achieved through rotation of the phase shift device. | 11-28-2013 |
20140125537 | Feed Horn - A feed horn for a Low Noise Block down converter is disclosed. The feed horn includes a conical body for gathering satellite signals and a connector coupled to the conical body for coupling the feed horn to a waveguide of the Low Noise Block down converter to transmit the satellite signals to the waveguide. The conical body includes a plurality of corrugations, one of the plurality of corrugations includes a plurality of first openings, and a plurality of second openings, each of the plurality of second openings is formed between the two adjacent first openings, wherein the plurality of first openings and the plurality of second openings are used as slits to induce an interference effect to adjust a beam pattern of the feed horn. | 05-08-2014 |
20140145894 | CORRUGATED COMPONENTS FOR MILLIMETER, SUBMILLIMETER AND TERAHERTZ ELECTROMAGNETIC WAVES MADE BY STACKED RINGS - The corrugated component for the transmission and manipulation of electromagnetic signals with frequency up to several THz, comprises an assembly of a plurality of plates stacked together in a hollow guiding rod wherein said plates have at least one aperture of alternating diameter to form a slot or a ridge in alternate fashion, wherein the external shape of said plates corresponds to the internal shape of the hollow guiding rod. The invention also concerns a method for assembling such a corrugated component. | 05-29-2014 |
20140191915 | Wideband High Gain 3G or 4G Antenna - A broadband antenna element for RF transmission and reception over cellular frequencies. The antenna element is formed of conductive material on a substrate surface of conductive material in the form of a pair of half portions extending in opposite directions to distal tips defining the widest distance of a mouth of a cavity. The mouth converges to reduce in cross-section to a narrowest point at a plurality of different flare angles defined by the edges of the two half portions in between the pair of half portions forming the element. The resulting antenna element radiates and receives a wide band cellular frequencies enabling a single element to serve different providers operating on different frequency bands in the cellular spectrum between 680 MHz to 1900 MHz. | 07-10-2014 |
20140253403 | Low Profile Double-Ridged Horn Antenna For Mobile Communications - A broadband double-ridged low profile horn antenna is particularly useful for communications in a mobile wireless network. The broadband antenna of the invention is especially suited for being mounted on the rooftop of a train or vehicle. It is capable of directing electromagnetic energy in a desired direction to provide signal gain. It is capable of conforming to the surface of a vehicle to function aerodynamically. Advantageously, the single broadband double-ridged horn antenna hereof replaces multiple narrowband antennas. This broadband antenna is capable of steering electromagnetic energy in a predetermined direction to provide signal gain toward a pole-mounted communications node located along train tracks, Furthermore, the broadband antenna hereof is made aerodynamic by at least partially conforming it to the exterior rooftop surface of a train or vehicle. | 09-11-2014 |
20140285389 | RF SYSTEM-IN-PACKAGE WITH MICROSTRIP-TO-WAVEGUIDE TRANSITION - An apparatus includes an IC package comprising a substrate having a first metal layer, a second metal layer, and a dielectric layer disposed between the first and second metal layers. The IC package further comprises an IC die disposed at a surface of the substrate and comprising RF circuitry. The first metal layer comprises a microstrip feedline extending from a pin of the IC die. The microstrip feedline includes a conductive trace having a probe element at a tip distal from the pin. The first metal layer further comprises a waveguide opening comprising a region surrounding the probe element, the region being substantially devoid of conductive material. The substrate further comprises a plurality of metal vias disposed at the perimeter of the region, the metal vias extending from the first metal layer to the second metal layer. | 09-25-2014 |
20140320364 | SUBSTRATE INTEGRATED WAVEGUIDE HORN ANTENNA - Embodiments are directed to a substrate integrated waveguide (SIW) antenna structure comprising: a first layer configured to route a signal, at least a second layer configured for antenna use coupled to the first layer, and a SIW antenna flared in the E-plane. Embodiments are directed to a method comprising: fabricating a first layer configured to route a signal, fabricating at least a second layer configured for antenna use, coupling the first layer and the at least a second layer, and flaring a substrate integrated waveguide (SIW) antenna in the E-plane. | 10-30-2014 |
20140347237 | WIRELESS COMMUNICATION APPARATUS - There is provided a wireless communication apparatus that includes (a) a printed circuit board, (b) a radio frequency circuit installed on the printed circuit board, and (c) an antenna element that is integrated onto the printed circuit board and electrically coupled to the radio frequency circuit via a printed conductor. | 11-27-2014 |
20150015447 | EXTREMELY LOW-PROFILE ANTENNA - An antenna, including a ground region having a plurality of meandering slots formed therein, a generally conical radiating element supported on the ground region and spaced apart therefrom and a generally flat disk-shaped radiating element disposed between the generally conical radiating element and the ground region, the generally flat disk-shaped radiating element feeding the generally conical radiating element. | 01-15-2015 |
20150077301 | BROADBAND ANTENNA FEED ARRAY - A microwave antenna suitable for monopulse radar applications is operable over a broad frequency band. The antenna uses a horn with two walls. Each wall includes two ridges that extend into an inner region of the horn near the horn's base and then taper into the wall surfaces. The horn is coupled to two ridged waveguide sections with the ridges of the waveguide sections matched to opposed pairs of the horn ridges. The antenna may be coupled to electronics via standard waveguides. In many embodiments, dimensions of the waveguides coupled to the horn are smaller (to provide a small array spacing) than dimensions of the standard waveguides with a tapered waveguide section providing a transition. In one embodiment, the antenna operates with frequencies from 5.25 to 10.5 GHz. | 03-19-2015 |
20150091771 | Feeding Apparatus and Low Noise Block Down-converter - A feeding apparatus includes a substrate, an annular grounded metal sheet having a first opening and a second opening, a rectangular grounded metal sheet extending from the annular grounded metal sheet toward an interior according to a configuration of a septum polarizer of a waveguide, a first parasitic grounded metal sheet extending from a side of the rectangular grounded metal sheet along a first direction, a second parasitic grounded metal sheet extending from another side of the rectangular grounded metal sheet along a second direction, a first feeding metal sheet extending from the first opening toward the interior and including a first portion, a second portion and a third portion and a second feeding metal sheet extending from the second opening toward the interior and including a fourth portion, a fifth portion and a sixth portion. | 04-02-2015 |
20150311593 | MONOCONE ANTENNA - A monocone antenna includes a conical radiation element having a feed point at a vertex of the conical radiation element being connected to a feed transmission line and a capacitive ring radially outside of the conical radiation element and in proximity to the conical radiation element. The capacitive ring is connected to a ground plane of the monocone antenna. Optionally, a capacitive gap may be defined between the conical radiation element and the capacitive ring that is substantially filled with dielectric material. | 10-29-2015 |
20150349415 | ANTENNA - An antenna includes an antenna layer, a coupling layer, and a feeder circuit layer. The antenna layer includes antennas elements. First and second antennas elements are arranged in such a manner that the centers thereof are aligned in a first direction. A third antenna element is arranged in such a manner that the third antenna element is separated from the first antenna element in a second direction and centers of the antennas elements are not aligned in the second direction. A waveguide is formed in the coupling layer. | 12-03-2015 |
20150349426 | SMOOTH-WALLED FEEDHORN - A device for at least one of receiving and transmitting electromagnetic radiation includes a feedhorn having a substantially smooth, electrically conducting inner surface extending from an open end to a feed end, the inner surface being substantially rotationally symmetrical about a longitudinal axis, wherein an orthogonal distance from a point on the longitudinal axis to the substantially smooth, electrically conducting inner surface increases monotonically as the point on the longitudinal axis is selected at successively greater distances from the feed end of the feedhorn towards the open end of the feedhorn such that a profile of the substantially smooth, electrically conducting inner surface of the feedhorn is monotonically increasing. The feedhorn has an operating bandwidth and the feedhorn provides a maximum of −30 dB cross polarization response over at least 15% of the operating bandwidth. A method of producing a feedhorn for receiving or transmitting electromagnetic radiation includes determining a profile of an inner surface of the feedhorn based on constraints required to achieve a plurality of operating parameters, providing a pre-machined feedhorn having an initial inner surface, and machining the initial inner surface of the pre-machined feedhorn to substantially match the profile determined to achieve the plurality of operating parameters for the feedhorn. The determining the profile includes a constraint for the profile to be a monotonically increasing profile relative to a rotational symmetry axis of the inner surface of the feedhorn going from a narrow end to a wide end of the feedhorn. | 12-03-2015 |
20160043472 | MONOCONE ANTENNA - A monocone antenna includes a volumetric radiation element having a feed point at a vertex of the volumetric radiation element being connected to a feed transmission line and a capacitive ring radially outside of the volumetric radiation element and in proximity to the volumetric radiation element. The capacitive ring is connected to a ground plane for the monocone antenna. | 02-11-2016 |
20160079675 | HORN-LIKE EXTENSION FOR INTEGRATED ANTENNA - A radiofrequency assembly includes a module with an antenna assembly formed in a semiconductor integrated circuit. The semiconductor integrated circuit can carry out at least one of the following functions: transmitting an electromagnetic signal, and receiving an electromagnetic signal. The radiofrequency assembly further includes a horn-like structure with a base portion adapted to fit on the module. The horn-like structure has an extending horn-shaped portion an input opening that encloses the antenna assembly when the horn-like structure is fitted on the module. | 03-17-2016 |
20160164189 | COPLANAR WAVEGUIDE IMPLEMENTING LAUNCHER AND WAVEGUIDE CHANNEL SECTION IN IC PACKAGE SUBSTRATE - A coplanar waveguide (CPW) apparatus comprises a substrate having a first surface and an opposing second surface. The substrate comprises a metal layer proximate to the first surface. The metal layer comprises a conductive trace comprising a signal line coupled to a launcher element at a first end of the signal line, and a ground plane co-planar with the conductive trace. The ground plane defines a substantially rectangular first region surrounding the launcher element and defining a second region surrounding the signal line, the first and second regions substantially devoid of conductive material. The launcher element has a substantially rectangular shape with a width greater than a width of the signal line at the first end. | 06-09-2016 |
20160380328 | METHODS AND APPARATUS FOR INDUCING A NON-FUNDAMENTAL WAVE MODE ON A TRANSMISSION MEDIUM - Aspects of the subject disclosure may include, for example, a system for generating first electromagnetic waves and directing instances of the first electromagnetic waves to an interface of a transmission medium to induce propagation of second electromagnetic waves having at least a dominant non-fundamental wave mode. Other embodiments are disclosed. | 12-29-2016 |