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6275196 |
Parabolic horn antenna for wireless high-speed internet access
A parabolic horn antenna designed for use as a high isolation antenna array in a wireless Internet access system where a high concentration of transceivers at one location is required. The rear,...
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6268835 |
Deployable phased array of reflectors and method of operation
A deployable phased-array-of-reflectors antenna includes individual reflectors and feed arrays. Each feed array is disposed above a corresponding individual reflector. The individual reflector...
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6255997 |
Antenna reflector having a configured surface with separated focuses for covering identical surface areas and method for ascertaining the configured surface
A reflector for reflecting electromagnetic waves has a configured surface for these waves whereby localized deformations or configurations such as bumps (B) and dents (D) of the reflector (1) are...
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6218999 |
Antenna system, in particular for pointing at non-geostationary satellites
The invention concerns an antenna system including at least two antennas (10, 11), each of said antennas (10, 11) being capable of pointing independently of the other(s) in any direction within a...
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6219003 |
Resistive taper for dense packed feeds for cellular spot beam satellite coverage
Providing a tapered surface reflectivity to the reflecting surface of the parabolic reflector in a parabolic antenna using resistive material reduces side lobes and produces steeper roll off in the...
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6211845 |
Bracket mount for precise antenna adjustment
A bracket mount for precise antenna adjustment includes a lever or mechanical assist to permit slight movements to the antenna simply by manipulating the lever. The adjustable lever may be a...
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6211844 |
Dual LNB/antenna multi-switch with DC path for the terrestrial television antenna port
A dual LNB/TV antenna multi-switch allowing DC voltage provided by a satellite receiver to travel through the terrestrial antenna input without causing interference, distortion or lowering the...
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6211842 |
Antenna with continuous reflector for multiple reception of satelite beams
An antenna receives beams from telecommunication satellites in geostationary orbit close to the equator. The continuous concave reflecting surface of the reflector of the antenna has an equation...
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6208312 |
Multi-feed multi-band antenna
A multi-feed, multi-band antenna includes a parabolic dish reflector, a plurality of four-port feeds, and may also include one or more orthomode two-port feeds. Each four-port feed is constructed...
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6208314 |
Satellite reception antenna
A reception antenna, applicable to the field of television signal transmission, for picking up signals originating from a stationary satellite which has a paraboloid reflector capable of reflecting...
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6208317 |
Hub mounted bending beam for shape adjustment of springback reflectors
The present invention is directed to a method of and a device for adjusting the concavity of a springback antenna reflector. The method and device of the present invention can be used to adjust the...
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6199988 |
Retractable device, of the light shield type, for an optical instrument such as a space telescope
A retractable device (20), of a light shield type, is mounted on an optical instrument (10), such as a space telescope. The device comprises rods (22, 24) articulated about the optical instrument...
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6198457 |
Low-windload satellite antenna
A satellite communications antenna includes a low-windload reflector so that the antenna may be used on high windload locations, such as on a ship. The reflector has a support structure which...
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6191753 |
Systems and methods for covering antennas used in digital satellite communications systems
A rigid cover for satellite antennas. The cover prevents rain from passing between a dish member and a converter assembly of the satellite antenna. The cover may be designed for a particular style...
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6188370 |
Grid antennas and methods with efficient grid spacing
Paraboloidal grid reflectors and antennas are provided which are lighter and have less wind loading because they efficiently realize selected front-to-back ratios by recognizing the angular...
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6181293 |
Reflector based dielectric lens antenna system including bifocal lens
A bifocal lens for use in a multiple beam antenna system including a reflector that is at least partially parabolic in one dimension and a pair of waveguides. Multiple received beams are received...
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6175338 |
Dipole feed arrangement for reflector antenna
A dipole feed arrangement for a parabolic reflector antenna, comprises a printed circuit board (PCB) having on one side a conductive pattern in the form of two spaced dipoles each bifurcated by a...
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6172649 |
Antenna with high scanning capacity
The invention concerns an antenna with high scanning capacity. The antenna comprises a panel (30) of static radiating elements which are controlled to transmit in variable directions relative to a...
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6169524 |
Multi-pattern antenna having frequency selective or polarization sensitive zones
A multi-pattern antenna for providing a plurality of antenna patterns at different frequencies or polarizations from a single reflector body eliminates the need for multiple reflector antennas on a...
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6166700 |
Satellite terminal antenna installation
A method for configuring a satellite antenna (20) to receive a downlink signal from a geosychronous orbiting satellite (12) in a satellite communication system (10), comprising the steps of: (a)...
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6166704 |
Dual elliptical corrugated feed horn for a receiving antenna
This invention is a compact and cost effective signal receiver for use in conjunction with a parabolic reflector to receive electromagnetic signals from two satellites. The signal receiver has a...
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6166703 |
Combination satellite and VHF/UHF receiving antenna
A single antenna assembly receives both direct broadcast satellite signals (DBS) and terrestrial broadcast signals, such as local VHF and UHF television channel broadcasts. The assembly includes an...
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6154181 |
Electromagnetic wave transmitter/receiver
A device includes a waveguide for the transmission/reception of microwave signals. The waveguide is coupled to a microstrip reception circuit as well as to a microstrip transmission circuit. The...
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6150990 |
Method for reducing cross-polar degradation in multi-feed dual offset reflector antennas
A unique feed structure for improving the cross-polarization performance of a reflector antenna system is disclosed. According to the present invention, the feed structure is an array including a...
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6137451 |
Multiple beam by shaped reflector antenna
An antenna system has a reflector illuminated by a primary feed for producing a primary beam. The reflector is illuminated further by a secondary feed formed of an array of secondary feed elements...
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6137446 |
Method and apparatus for modulating voltage to an antenna reflector heater
The invention is directed to a method of using a line voltage to heat an antenna reflector. The method includes the steps of providing an electrical heater for the antenna reflector, measuring a...
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6137449 |
Reflector antenna with a self-supported feed
The invention consists of improvements of reflector antennas with self-supported feeds. The feed consists of a waveguide tube, a dielectric joint and a sub-reflector. The tube is attached to the...
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6130649 |
Polarizer for exciting an antenna
A polarizer for exciting the parabolic reflector of a directional antenna includes a profile section (7) which is formed as a waveguide and is adapted to simultaneously transmit two linearly...
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6127982 |
Apparatus and method for processing satellite and terrestrial signals
An antenna assembly is disclosed that comprises a terrestrial antenna and a support that mounts the antenna assembly on a satellite dish antenna. The satellite dish antenna has a convex/concave...
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6124835 |
Deployment of dual reflector systems
A method and system for deploying a multi-reflector antenna system (10). The antenna system (10) includes an antenna structure (12) mounted to a satellite (14), where an antenna feed array (16) is...
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6115003 |
Inflatable plane wave antenna
This invention is directed to a apparatus that includes an inflatable antenna reflector assembly for generating electromagnetic plane waves. The apparatus can be used in a variety of applications...
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6104351 |
Battery operated satellite antenna heating system
A heated antenna system includes an antenna having a reflecting surface and a heater associated with the reflecting surface. A base is connected with the antenna. A direct current voltage supply is...
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6100851 |
Satellite antenna heating system
A heated antenna system includes an antenna having a reflecting surface and a heater associated with the reflecting surface. The heater has a current and at least one voltage. An electrical control...
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6097348 |
Compact waveguide horn antenna and method of manufacture
A parabolic rectangular horn antenna includes a source aperture, a parabolic reflector, and an output aperture. The source aperture has a first port for receiving a planar wavefront signal and a...
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6097350 |
Antenna for receiving satellite signals
A non-mobile antenna for receiving non-geostationary satellite signals comprised of a plurality of supporting members and rods is adapted with an upper and a lower array of reflecting members...
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6078298 |
Di-pole wide bandwidth antenna
A wideband receiver antenna that utilizes a right-circular cylinder-based reflector which is positioned one arc segment away from a di-pole receiving element for use with high definition television...
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6075969 |
Method for receiving signals from a constellation of satellites in close geosynchronous orbit
A C-Band or Ku-Band satellite communication system uses a relatively small receiving antenna while operating within current FCC designated bandwidth and using existing satellite configurations....
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6075497 |
Multiple-feed electromagnetic signal receiving apparatus
This invention discloses a novel design for receiving electromagnetic signals broadcasted from at least two of satellite clusters and collected by a single dish antenna. At least two signal feeds...
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6072440 |
Satellite receiving dish feed horn or LNB cover
A protective cover for a satellite receiving dish feed horn or LNB mounted on a support is disclosed. The cover comprises a top, sides and a back, the top and sides each having front and back...
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D426234 |
Rain fade shield for satellite dish
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6054963 |
Folded bow-tie antenna
A broadband antenna of small size employs closely spaced elongated conductive elements forming a loop, the conductive loop having a pair of feeding points located on the mid point of the loop in...
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6043788 |
Low earth orbit earth station antenna
An improved very small antenna terminal (VSAT) dual-beam antenna system for use with user subscriber terminals that communicate with low-earth orbiting and other satellites. In one embodiment, the...
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6031506 |
Method for improving pattern bandwidth of shaped beam reflectarrays
A method for shaping reflected radio frequency signals includes geometrically shaping a reflector surface of an antenna to focus the beam, and reflectively shaping the reflector surface with...
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6031507 |
Antenna apparatus
To obtain a high-performance antenna apparatus free from the shift of its focusing point, there are provided a plurality of pairs of horns, horns of each pair are arranged at opposite positions...
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5999143 |
Antenna system parabolic reflector, flat plate shroud and radome
In a parabolic reflector system for directing or receiving radiation from or to a radiation feed, having a parabolic reflector surface defining a parabolic reflector axis, a parabolic reflector...
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5995056 |
Wide band tem fed phased array reflector antenna
A wide band phased array antenna includes a radio frequency reflector hav a focal axis, and first and second sides and an m number of transverse electromagnetic transmission carriers, where each of...
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5990851 |
Space deployable antenna structure tensioned by hinged spreader-standoff elements distributed around inflatable hoop
An antenna structure, such as an antenna reflector, comprises a collapsible mesh and catenary tie/cord attachment structure, retained in tension by a plurality of variable geometry...
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5982336 |
Structure of super integrated down converter (SIDC) with dual band mechanical and notch filters
The present invention discloses an integrated dipole antenna and down converter apparatus. The integrated dipole antenna and down converter apparatus includes a dipole antenna for receiving...
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5973652 |
Reflector antenna with improved return loss
An improved reflector antenna with far improved return loss than prior art subreflector antennas is disclosed herein. The invention uses a circular waveguide antenna feed employing a non-planar,...
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5969692 |
Antenna support fabric
An antenna support fabric including an arm (10), a support table (20), a fixing plate (60) which is rotatably secured to the support table (20), a reflection mirror (50) which is detachably fixed...
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