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| Number | Title | Issue Date |
| 8125400 | Compact antenna feed assembly and support arm with integrated waveguide A feed assembly and feed support arm for parabolic antennas with circular or linear polarization is provided in a streamlined configuration. The feed assembly contains a septum polarizer with parallel transmit and receive ports, or a similarly configured ortho-mode ... | 02/28/2012 |
| 7733282 | Reflector antenna A reflector antenna includes a feed configured to always point during operation in a direction that opposes ingress of water into the feed, and a reflector having a truncated spherical reflecting surface, wherein a relative orientation of the reflector and the feed ... | 06/08/2010 |
| 7710340 | Reconfigurable payload using non-focused reflector antenna for HIEO and GEO satellites An antenna system for generating and configuring at least one defocused beam is provided. The antenna system includes a reflector having a focal plane and a non-parabolic curvature for forming the at least one defocused beam, and a plurality of feed antennas that il... | 05/04/2010 |
| 7492324 | Method and apparatus for receiving dual band signals from an orbital location using an outdoor unit with a concentric antenna feed A satellite system 10 having a first satellite 14 at a first orbital slot B has a first transponder 32 and a second generating a first downlink signal 44B at a first frequency and a second downlink signal 44C at a second frequency.... | 02/17/2009 |
| 7405708 | Low profiled antenna An antenna comprises: a main reflector being a body of revolution of arbitrary curve which axis diverges from axis of the revolution; a sub-reflector being a body of the revolution of arbitrary curve along the axis of revolution, having a circle and a vertex pointin... | 07/29/2008 |
| 7394436 | Multi-beam and multi-band antenna system for communication satellites An antenna system includes a reflector having a modified-paraboloid shape; and a multi-beam, multi-band feed array located at a focal point of the reflector so that the antenna system forms a multiple congruent beams that are contiguous. The system has a single refl... | 07/01/2008 |
| 7362279 | Method and device for TV receiving and internet transreceiving on a satellite antenna A device for receiving satellite signals, associated to a parabolic dish (2) suitable for reflecting to a corresponding focus a first signal (25) at a first frequency and a second signal (35) at a second frequency. The device comprises a first f... | 04/22/2008 |
| 7339531 | Multi frequency magnetic dipole antenna structures and method of reusing the volume of an antenna Various resonant modes of a multiresonant antenna structure share at least portions of the structure volume. The basic antenna element has a substantially planar structure with a planar conductor and a pair of parallel elongated conductors, each having a first end e... | 03/04/2008 |
| 7280848 | Active array antenna and system for beamforming An active antenna array for use in a beamforming antenna system. The antenna array includes multicarrier power amplifiers coupled to each antenna element wherein the outputs of the multicarrier power amplifiers are linearized. The antenna array communicates with a b... | 10/09/2007 |
| 7271778 | Antenna device and radar device using the same An antenna device having a primary radiator that includes a transmission portion formed of a cylindrical waveguide extending in a direction parallel to the frontward direction of the antenna device, and a radiation portion of a rectangular horn shape, extending in a... | 09/18/2007 |
| 7245265 | Parabolic antenna of a level measuring instrument and level measuring instrument with a parabolic antenna This invention concerns a parabolic antenna with a parabolic reflector (2) having a parabolic reflector rim (20), a collar (9), which is positioned on the parabolic reflector (2), in particular on the parabolic reflector rim (20) a... | 07/17/2007 |
| 7239285 | Circular polarity elliptical horn antenna A relatively low cost, easy to install and aesthetically pleasing digital video broadcast from satellite (DVBS) elliptical horn antenna designed as part of a reflector antenna system to receive satellite television broadcast signals with circular polarity. This type... | 07/03/2007 |
| 7236681 | Feed assembly for multi-beam antenna with non-circular reflector, and such an assembly that is field-switchable between linear and circular polarization modes A feed assembly for an antenna having a non-circular reflector, in which the feed assembly includes a feed horn capable of correcting the distortions of circularly polarized signals caused by the non-circular reflector profile, and wherein the feed horn is coupled w... | 06/26/2007 |
| 7233299 | Multiple-beam antenna with photonic bandgap material A system includes a device for focusing electromagnetic waves, and a multiple-beam antenna. The antenna includes: a photonic bandgap material (20) having at least one band gap, at least one periodicity defect (36) of the photonic bandgap material so as... | 06/19/2007 |
| 7227501 | Compensating structures and reflector antenna systems employing the same A compensating structure includes layers of non-uniform arrays of conductive patches configured to provide phase and/or amplitude distribution modification of feed primary patterns. ... | 06/05/2007 |
| 7212170 | Antenna beam steering via beam-deflecting lens and single-axis mechanical rotator An antenna beam steering apparatus and method comprising providing an antenna, employing a beam-deflecting lens through which energy passing from and to the antenna is deflected, and rotating the antenna with a single-axis rotator. ... | 05/01/2007 |
| 7202833 | Tri-head KaKuKa feed for single-offset dish antenna A method and apparatus for receiving signals transmitted from a plurality of communications satellites. An apparatus in accordance with the present invention comprises a reflecting surface having a focal point, and a plurality of low noise block down converters with... | 04/10/2007 |
| 7190324 | Low-profile lens antenna This invention relates to a low-profile lens antenna. In particular, this invention relates to a low-profile lens antenna for use in a depression in a surface, e.g. a concavity in the ground. A low-profile lens antenna is provided that comprises a feed and a lens, w... | 03/13/2007 |
| 7183990 | Aperture illumination control membrane A device for modifying electromagnetic illumination of a reflector aperture defined by a reflector surface is mounted in front of the reflector aperture in a spaced apart relationship relative to the reflector surface. The device at least partially covers the reflec... | 02/27/2007 |
| 7167138 | Triple-band offset hybrid antenna using shaped reflector A triple-band offset hybrid antenna having a shaped reflector is disclosed. The triple-band offset hybrid antenna includes: a shaped reflector reflecting a K/Ku bands RF signals received from a satellite to focus an energy of the K/Ku band RF signals on a focal line... | 01/23/2007 |
| 7161549 | Single-aperture antenna system for producing multiple beams A novel single-aperture antenna system for producing multiple closely spaced or overlapping beams. The antenna system has multiple feeds for radiating energy, and a hyperboloidal or ellipsoidal main reflector responsive to the radiated energy for forming multiple be... | 01/09/2007 |
| 7151498 | System and method for preferentially controlling grating lobes of direct radiating arrays A DRA with preferentially controlled grading lobes is described. The DRA comprises a plurality of elements, collectively defining a main lobe nearest the DRA boresight and a set of grating lobes near the main lobe, wherein each of the grating lobes in the set of gra... | 12/19/2006 |
| 7119753 | Slot array antenna An object of the invention is to provide a slot array antenna in which unstable factors for contact of an adjustment portion comprising a slot waveguide and a waveguide holder are removed, a number of parts is decreased to save weight, and assembly is simplified. Ac... | 10/10/2006 |
| 7119758 | High frequency, multiple beam antenna system The high frequency, multiple beam antenna system comprises a focusing device having a profile of revolution created by the cross section of a dielectric lens rotating about an axis located in its plane and radiating elements with form of directional-printed antennas... | 10/10/2006 |
| 7119754 | Receiving antenna for multibeam coverage The invention relates to a receiving antenna for satellite telecommunications. More specifically, the invention relates to an active antenna comprising a network of elementary sources which is positioned at the focal point of a focusing reflector. According to the i... | 10/10/2006 |
| 7102585 | Integrated feed horn device An integrated feed horn device including three sets of integrally formed feed horn devices is provided. The integrated feed horn device may receive satellite signals reflected by a single parabolic reflector antenna, wherein the satellite signals are transmitted by ... | 09/05/2006 |
| 7102459 | Power combiner A power combiner for the combining of symmetric and asymmetric traveling wave energy comprises a feed waveguide having an input port and a launching port, a reflector for reflecting launched wave energy, and a final waveguide for the collection and transport of laun... | 09/05/2006 |
| 7081863 | Reflector antenna A reflector antenna device includes: an auxiliary reflector 1 that receives an electric wave radiated from an opening portion by a primary radiator 3 and reflects the electric wave; and a main reflector 2 that receives the electric wave that is ... | 07/25/2006 |
| 7075492 | High performance reflector antenna system and feed structure A reflector-feed assembly for a reflector dish antenna system includes a feeding waveguide and a reflector plate. The feeding waveguide is operable to support the propagation of a signal therethrough, the feeding waveguide having a major axis along which the signal ... | 07/11/2006 |
| 7075495 | Offset hybrid antenna using focuser A Ka-band offset hybrid antenna having a shaped focuser is disclosed. The Ka-band offset hybrid antenna having a shaped focuser, including: a shaped focuser for reflecting a received plane wave to focus an energy of the received plane wave on an offset focal line an... | 07/11/2006 |
| 7075496 | Fan-beam antenna An object of the invention is to provide a fan-beam antenna which comprises a flare which is long in a horizontal direction thereof and whose cross section is horn-shaped, and a water-proof box housing components of said antenna, in which a vertical beam width is ma... | 07/11/2006 |
| 7057572 | Horn antenna system having a strip line feeding structure A horn antenna system having a strip line feeding structure of which size is reduced while cross polarized characteristics are kept. The horn antenna system, includes: a first horn antenna unit having a first horn antenna and a first ground made of metal, for radiat... | 06/06/2006 |
| 7053861 | Taper control of reflectors and sub-reflectors using fluidic dielectrics A reflector antenna (100) includes a reflector unit (191) having at least one cavity (192) disposed in the reflector unit, at least one fluidic dielectric (180) having a permittivity and a permeability, and at least one composition proces... | 05/30/2006 |
| 7053838 | Antenna structure and installation An antenna system installation comprising a tower/support structure, and an antenna structure mounted at the top of said tower/support structure, said antenna structure comprises a plurality of antenna elements, a plurality of power amplifiers, each power amplifier ... | 05/30/2006 |
| 7034771 | Multi-beam and multi-band antenna system for communication satellites An antenna system includes a reflector having a modified-paraboloid shape; and a multi-beam, multi-band feed array located at a focal point of the reflector so that the antenna system forms a multiple congruent beams that are contiguous. The system has a single refl... | 04/25/2006 |
| 7030831 | Multi-polarized feeds for dish antennas A multi-polarized forward feed and dish configuration for transmitting and/or receiving radio frequency (RF) signals is disclosed. The configuration comprises a conductive reflector dish, having a focal point and a vertex point, and a multi-polarized forward feed el... | 04/18/2006 |
| 7027002 | Planar wideband antennas Wideband antennas with omnidirectional coverage have both military and commercial applications. In one embodiment, the Planar Inverted Cone Antenna (PICA) is composed of a single flat element vertically mounted above a ground plane. A geometry of Planar Inverted Con... | 04/11/2006 |
| 7024158 | Broadband communication satellite A satellite system is provided that includes a receive antenna system to receive one of C-band and/or Ku-band signals and a transmit antenna system to transmit one of C-band and/or Ku-band signals. A payload section may be coupled between the receive antenna system ... | 04/04/2006 |
| 7015871 | Mobile radio antenna arrangement for a base station A mobile radio antenna arrangement for a base station includes a pivoting device which runs in the longitudinal direction and/or in the vertical direction is provided within the radome. A reflector is at least indirectly held and mounted on the pivoting device. The ... | 03/21/2006 |
| 7002528 | Circularly polarized receive/transmit elliptic feed horn assembly for satellite communications The present invention provides a feed horn for use in an antenna assembly having a non-circular reflector. The feed horn is capable of transmitting and receiving circularly polarized signals. The feed horn includes a circular waveguide section for connection to a tr... | 02/21/2006 |
