Class / Patent application number | Description | Number of patent applications / Date published |
343840000 | Parabolic-type reflector with active antenna at focus | 28 |
20090015503 | MULTI-BEAM-REFLECTOR DISH ANTENNA SYSTEM AND METHOD FOR PRODUCTION THEREOF - A multi-beam-reflector dish antenna system and a method for production thereof are disclosed. Signals from different satellites are simultaneously received using a single compound LNBF module. The multi-beam-reflector dish antenna system includes a reflector with N-th order projected aperture and a single compound LNBF module constituting multiple LNBF units. The reflector is formed by projected aperture cutting and surface distortion of the aperture in accordance with the method of analysis and synthesis. In addition to reflecting signals from satellites, it also generates focused waves sharing similar radiation patterns and horizontal gain with incoming waves on the focal plane to be received by the compound LNBF modules. | 01-15-2009 |
20090201213 | VERSATILE WIDEBAND PHASED ARRAY FED REFLECTOR ANTENNA SYSTEM AND METHOD FOR VARYING ANTENNA SYSTEM BEAMWIDTH - An antenna system includes a reflector having a focal point, and a phased array having feed elements. Each feed element is disposed a same distance from the focal point of the reflector. A method for varying the beamwidth of an antenna system includes providing the antenna system with a reflector having a focal point and feed elements disposed a same distance from the focal point. The feed elements includes one or more inner feed elements and one or more outer feed elements. The method further includes adjusting relative amplitudes of the inner feed elements and the outer feed elements to adjust the beamwidth of the antenna system. An antenna system includes a parabolic reflector having a focal point, and a phased array having one or more inner feed elements and one or more outer feed elements. Each of the feed elements is disposed a same distance in wavelengths from the focal point, and is oriented towards the focal point. | 08-13-2009 |
20090295668 | ENHANCED BAND MULTIPLE POLARIZATION ANTENNA ASSEMBLY - An antenna assembly is provided for receiving and transmitting radio frequency signals over an enhanced frequency band. A first radiative element has a first end, a second end, and an associated length, and is comprised of an electrically conductive material. The first end of the first radiative element is electrically connected to an antenna feed at an apex and at least a portion of the first radiative element is disposed outwardly away from the apex at an acute angle relative to, and on a first side of, an imaginary plane intersecting the apex. A second radiative element has a first end and a second end and is comprised of an electrically conductive material. The first end of the second radiative element is electrically connected to the antenna feed and the first radiative element at the apex. The second end of the second radiative element has an associated height above the imaginary plane that is less than the product of the length of the first element and the sine of the acute angle at which the first element is disposed outwardly from the apex. The assembly further comprises an electrically conductive ground reference. | 12-03-2009 |
20100097288 | Satellite antenna with holder assembly for holding LNBF - A satellite antenna includes an antenna dish, a connecting arm, a pole, at least one clamp and a cover bracket. The antenna dish may include a front surface and a rear surface. The connecting arm has a first end and a second end, wherein the first end is coupled with the rear surface of the antenna dish. The pole may extend transversely with respect to the connecting arm and may include a channel extending from one end to the other end of the pole. The at least one clamp may each include a base with an opening that allows the pole to pass through. The cover bracket may include a front cover to seal the second end of the connecting arm, and a first cover integral with the front cover that includes a first side and a second side. The first cover may support the pole over the connecting arm on the first side and engage with the connecting arm with the second side. | 04-22-2010 |
20100201595 | REFLECTOR ANTENNA, METHOD OF FEEDING SAME, AND COMMUNICATION SYSTEM - A reflector antenna includes a reflector, a primary radiator, an arm, and a feed unit (a coaxial cable and a coaxial connector). The reflector has a reflecting surface for reflecting a radio wave, and the reflecting surface is shaped as a paraboloid of revolution. The primary radiator is arranged on a focus side of the reflector, and radiates a radio wave from the focus side toward the reflecting surface. The arm is arranged to extend from the reflecting surface side to the focus side of the reflector, and supports the primary radiator so as to be rotatable with respect to the reflector. The feed unit feeds the primary radiator via the arm so that the direction of the arm and the direction of polarization of the radio wave radiated from the primary radiator are perpendicular to each other. | 08-12-2010 |
20100309085 | Antenna Feed System - A microwave system comprises an antenna, antenna feed, a radio transceiver, and appropriate cabling among the aforementioned. Cost, performance and reliability improvements are achieved with further integration of these elements and with design improvements in the antenna feed. One improvement is the integration of the radio transceiver with the antenna feed. This improvement has many benefits including the to elimination of RF cables and connectors. Another improvement, is the incorporation of parasitic radiators and sub-reflectors as part to of the antenna feed. The entire antenna, including the feed design is optimized with 3D finite element method (FEM) software and numerical optimization software. Another improvement is the utilization of the digital cable to power the integrated radio transceiver and a center fed parabolic reflector | 12-09-2010 |
20100315306 | SEGMENTED ANTENNA REFLECTOR - In certain embodiments, a segmented reflector and an antenna having a segmented reflector are disclosed. In certain embodiments, the segments of the reflector are held in side-by-side relationship by the antenna transceiver. In certain other embodiments, the segments of the reflector are held in side-by-side relationship by magnets in each of the segments that are attracted to magnets in adjacent segments. In some embodiments, interengaging male and female detents are provided in the segment endwalls in order to resist shear forces once the segmented reflector is assembled. Other embodiments are also disclosed. | 12-16-2010 |
20110037674 | OFFSET PARABOLA ANTENNA - An offset parabola antenna includes an elliptical parabolic reflector having a mirror surface in a shape partially cut out from a paraboloid, a primary radiator, and a supporting arm which supports the primary radiator to fix the primary radiator at a focal point of the parabolic reflector. The primary radiator is fixed to the supporting arm such than a beam central axis, at which a received electric power is maximized within a directional range of the primary radiator, is directed to a substantially middle position between a central point of an aperture plane of the parabolic reflector and a central point of an aperture angle of the parabolic reflector. | 02-17-2011 |
20110090132 | PORTABLE SATELLITE DISH ANTENNA SYSTEM - A lightweight, portable satellite dish antenna system having base and lid portions which can be configured relative to each other in carrying and deployed positions. The base and lid portions are substantially the same size and shape and have respective interior and exterior sides with the satellite dish antenna of the system pivotally mounted to the interior side of the lid portion. In the carrying position, the satellite dish antenna is retracted to align with the interior side of the lid portion and the lid and base portions are secured together with the interior sides thereof facing and abutting each other. In the deployed or operating position, the lid portion is inverted and placed atop the base portion with the exterior side of the lid portion and the interior side of the base portion facing and abutting one another on mating bearing surfaces extending about a central, vertical axis. | 04-21-2011 |
20110095956 | SEMI-PERMANENT PORTABLE SATELLITE ANTENNA SYSTEM - A semi-permanent portable satellite antenna system having a portable mount for deploying a portable satellite antenna. The portable satellite antenna assembles for deployment using releasable connectors. The portable mount can be mounted to a post, a tripod, or a non-penetrating mount. The non-penetrating mount uses a pivoting pair of support wings that pivots upwardly for transportation and downwardly when deployed on a surface. When deployed, ballast is placed on the support wings to stabilize the semi-permanent portable satellite antenna system. | 04-28-2011 |
20110227804 | ENHANCED BAND MULTIPLE POLARIZATION ANTENNA ASSEMBLY - Antenna assemblies are provided for receiving and transmitting radio frequency signals over an enhanced frequency band. An assembly includes an electrically conductive ground reference and a radiative element formed from an electrically conductive material and comprising an apex. The radiative element is electrically connected to an antenna feed at the apex and configured such that the radiative element lacks two-fold rotational symmetry around a first axis coinciding with the antenna feed. The radiative element extends such that a distance between the radiative element and the electrically conductive ground reference increases as a radial distance from the first axis along the radiative element increases. | 09-22-2011 |
20110234468 | ANTENNA DEVICE AND COMMUNICATION DEVICE PROVIDED THEREWITH - An antenna device includes a concave-shaped reflecting mirror that reflects radio waves, a primary radiator disposed in the concave mirror and transmitting/receiving radio waves, and an antenna cover attached to an opening face of the reflecting mirror. The antenna cover is secured to the reflecting mirror with a flange part formed on the rim of the antenna cover and fitted to the inner side of a flange part formed on the rim of the reflecting mirror. | 09-29-2011 |
20120098727 | PARABOLIC ANTENNA POSITIONER - The parabolic antenna positioner includes a base, a support cradle mounted so it can rotate relative to the base along a first axis of rotation, a mobile assembly including a parabolic antenna, supported by the support cradle, and mounted so it can rotate relative to the support cradle along a second axis of rotation, orthogonal to the first axis of rotation. The second axis of rotation is separated from the axis of rotation of the support cradle by a non-null distance measured in the plane of rotation of the cradle. | 04-26-2012 |
20120319915 | Helix Feed Broadband Antenna Having Reverse Center Feeder - Provided is a helix feed broadband antenna having a reverse center feeder, which minimizes an antenna enclosure and a radio wave shadow area by using the reverse center feeder including a reflecting plate and a rear radiation pattern, thereby enhancing performance of an antenna. The helix feed broadband antenna having a reverse center feeder, including a reverse center feeder which radiates an antenna radiation pattern backward; and a reflecting plate which is positioned at a rear side of the reverse center feeder so as to receive and transmit radio wave by reflecting an antenna beam radiated from the reverse center feeder. | 12-20-2012 |
20120326939 | BEAM SHAPING OF RF FEED ENERGY FOR REFLECTOR-BASED ANTENNAS - A beam-shaping element is provided to shape RF feed energy for reflector-based antennas. The RF beam-shaping element is located between the primary reflector and the antenna feed and configured to direct RF energy from the feed away from a blockage created by the feed itself towards unblocked regions of the primary reflector. The beam-shaping element allows for a simplified feed design. The feed may comprise one or more feed elements, each comprising a radiating element and a feed to the radiating element such as a cavity-backed slot radiator and stripline trace. In a monopulse tracking system, each quadrant may include only a single feed element. In common aperture systems, the RF beam-shaping element may be formed on only the rear surface of the secondary reflector that allows transmission at the predefined RF wavelength while reflecting energy of a second predetermined wavelength to another sensor. | 12-27-2012 |
20130099991 | Method and Apparatus for Radome and Reflector Dish Interconnection - An interconnection retaining a radome upon a periphery of a reflector dish has a plurality of curved channel portions, each of the channel portions provided with an open periphery slot and an open retention slot. The periphery slot dimensioned to receive the peripheries of the radome and reflector dish. The channel portions are arranged end-to-end adjacent to one another, encircling the peripheries of the radome and reflector dish seated within the periphery slot. A gap may be provided between one or more of the channel portions. A link member is seated within the retention slot at an end of each adjacent channel portion. The retention slot at the end of each of the adjacent channel portions is crimped upon the link member. The link member may be, for example, a portion of threaded rod or a molded portion of polymer material. | 04-25-2013 |
20130207868 | ENCLOSURE SYSTEM FOR AN ANTENNA - An enclosure system for antennas including satellite dish antennas and single frequency, narrowband and broadband ones. The system includes at least upper and lower housing portions mounted to each other for rotational movement about a first axis inclined to the vertical. The portions have respective, peripheral sections extending about the first axis and substantially perpendicular to the inclined, first axis. The satellite antenna dish is mounted to the upper housing portion to extend substantially about a second axis substantially intersecting the first axis at an inclined angle. The upper housing portion can be rotated about the inclined, first axis relative to the lower housing portion wherein the second axis of the dish essentially forms or defines a cone about the first axis to position the plane of the dish rim portion in any of a plurality of orientations essentially between a substantially horizontal one and a substantially vertical one. | 08-15-2013 |
20130271337 | ANTENNA ASSEMBLY FOR LONG-RANGE HIGH-SPEED WIRELESS COMMUNICATIONS - Various embodiments of antenna assemblies are disclosed herein. In one embodiment, the antenna assembly includes a reflector comprising a center opening, a feed-antenna subassembly situated in front of the reflector, a rear housing situated behind the reflector, and a pole-mounting bracket comprising a base plate situated between the reflector and the rear housing. The feed-antenna subassembly comprises a feed tube that houses at least one of: a transmitter circuit and a receiver circuit. The rear housing is coupled to a front side of the reflector via the center opening. The rear housing comprises a center cavity, and a back end of the feed tube is inserted in and coupled to the center cavity. The base plate is coupled to the reflector and the rear housing in such a way that decoupling between the base plate and the reflector requires a prior decoupling between the feed-antenna subassembly and the rear housing and a prior decoupling between the rear housing and the reflector. | 10-17-2013 |
20140055314 | DOUBLY SHAPED REFLECTOR TRANSMITTING ANTENNA FOR MILLIMETER-WAVE SECURITY SCANNING SYSTEM - In some aspects, the disclosure is directed methods and systems for focusing millimeter-wave radiation to a line for scanning a target object. A source may provide millimeter-wave radiation, and may include a substantially point source. A reflector may include a surface with an elliptical cross-section within a first plane and a curved cross-section within a second plane perpendicular to the first plane. The curved cross-section may be shaped differently from the elliptical cross-section within their respective planes. The surface may focus the millimeter-wave radiation from the source at a line on a third plane parallel to or coinciding with the second plane. The line may be located at an approximate location where a target object is expected to be positioned. At least one sensor may measure the millimeter-wave radiation from the reflector scattered off the target object. | 02-27-2014 |
20140125542 | ANTENNA APPARATUS - According to one embodiment, an antenna apparatus includes a concave curved reflector, a radiator arranged in a focal position of the reflector to perform at least one of transmission of two linearly polarized waves toward a concave surface of the reflector and reception of the waves from the concave surface, the two linearly polarized waves being crossed orthogonally to each other, and a structural unit configured to support the radiator at the focal position. The unit includes a main body protruding from a rear surface of the reflector into a radiation space defined by the concave surface at a position on the concave surface, the position being apart from two linear polarization planes defined by the two linearly polarized waves. | 05-08-2014 |
20140139390 | ANTENNA APPARATUS - There is provided satellite transmitted data receiving and/or transmitting apparatus comprising a reflector dish, an elongate member which typically passes through the said reflector dish and at or adjacent to end of the elongate member there is provided data processing components. The elongate member includes at least one portion therealong of a changed shape and the same is formed and located to reduce reflections and hence allow the cross and/or co polarisation patterns to lie within the predetermined radiation pattern envelope limits. | 05-22-2014 |
20150009085 | ANTENNA - A reflector for an antenna is formed from a metallized fabric composite material including a first fabric layer, a second fabric layer, and a metallic layer positioned between the first and second fabric layers and secured to each of the first and second fabric layers. | 01-08-2015 |
20150303582 | Large Deployable Reflector For A Satellite Antenna - A large deployable reflector for an antenna suitable for being installed on board a satellite and provided with a support structure, a parabolic mirror carried by the support structure and a connection arm for mounting the support structure on the satellite; the support structure being a jointed reticulate structure that is able to assume a compact inoperative stowed configuration and an operative deployed configuration and is composed of ānā elements articulated to form tetrahedrons having respective triangular bases, which are connected to each other at the axial ends of respective first sides and have respective external vertices, which are opposite to said respective first sides and, when the reflector is arranged in the deployed configuration, ideally lie on a cone tangent to the parabolic mirror. | 10-22-2015 |
20160013562 | Foldable Satellite Antenna | 01-14-2016 |
20160087345 | RADOME FOR AN ANTENNA WITH A CONCAVE-REFLECTOR - A radome for a concave-reflector antenna is fastened directly onto the reflector's edge. The inner surface of the radome comprises at least one absorbent part partially covering its surface area and disposed along its peripheral edge. The surface area of the radome covered by the absorbent part(s) is less than 15% of the total surface area. The radome may comprise two absorbent parts in diametrically opposite positions. Each absorbent part may have a substantially triangular shape, the base of the absorbent part being rounded along the radome's edge, and a portion of its surface area having been removed laterally from each side of the triangle in a circular arc cut-out. | 03-24-2016 |
20160156106 | MULTI-PANEL ANTENNA SYSTEM | 06-02-2016 |
20160156107 | MULTI-PANEL ANTENNA SYSTEM | 06-02-2016 |
20160190680 | Signal shield dish cover - A method of using a cover on a satellite receiving dish to prevent the building up of snow, rain or ice on the reflective dish or on the receiving eye of a parabolic dish antenna to prevent the scrambling of the signal being received or transmitted, with the cover having a unique shape that allows it to cover both the reflective dish and the receiving eye while leaving an opening in the center therefore allowing an unimpeded clear signal to be received by the dish in bad weather. | 06-30-2016 |