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7050765 |
Highly integrated microwave outdoor unit (ODU)
A lightweight millimeter wave outdoor unit includes a lightweight housing with a heat sink and mounting member configured for mounting on the antenna to form a wireless link. A millimeter wave...
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7034766 |
Broadcast receiving antenna and television broadcast receiver
A slim television broadcast receiver employing antennas in which a waveguide is formed by a metallic plate and a copper foil on a printed circuit board. An insulating magnetic element is loaded so...
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7030827 |
Planar antenna and antenna system
The present invention relates to a planar antenna ( 1 ) for excitation of the TE01-mode of an electromagnetic wave and adapted to be arranged in a waveguide tube ( 2 ). The planar antenna comprises...
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7027003 |
Primary radiator for parabolic antenna
A primary radiator used for a parabolic antenna including: a radiator body having a horn part provided at one end of a waveguide; and a waterproof cover covering an open end of the horn part of the...
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7019706 |
High frequency module and antenna device
The present invention includes: a first main waveguide 1 ; a T-branch circuit 3 connected thereto; a first low-pass filter 5 connected thereto; a band-pass filter 7 connected to the first...
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7006047 |
Compact low RCS ultra-wide bandwidth conical monopole antenna
A low radar cross-section monocone antenna is provided with an ultra-wide bandwidth in the microwave region of the electromagnetic spectrum running from 1 gigahertz to 18 gigahertz by decreasing...
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6999040 |
Transverse device array phase shifter circuit techniques and antennas
A transverse device array phase shifter includes an overmoded waveguide structure having a top conductive broad wall surface, a bottom conductive broad wall surface and opposed first and second...
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6987489 |
Electronically scanning direction finding antenna system
An electronic scanning radio direction finding system for accurate direction finding of radio frequency signals using singly or doubly flared cylindrical reflectors surrounded by a circular array...
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6980167 |
Electromagnetic probe
An electromagnetic probe having at least one assembly including in combination: a coaxial type connectio, a ground plane connected to the outer sheath of the coaxial connection, a reflector cone...
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6970139 |
Short resonant ridge waveguide load under radiation slot
A short ridge waveguide load is described which absorbs and cancels non-radiated electromagnetic energy in continuous slot or discrete slotted antennas. The load achieves a small physical size by...
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6970138 |
Polarization plate
The present invention discloses a system and method by which radio transceiver equipment may be coupled to antenna equipment polarized in either of two orthogonal polarizations without requiring...
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6951941 |
Bi-planar microwave switches and switch matrices
A microwave switch for transmitting signals having a plurality of ports and a plurality of signal paths for selective transmission of the signals. Each signal path is disposed between a respective...
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6937203 |
Multi-band antenna system supporting multiple communication services
An antenna comprising a reflector having a reflector surface profile for reflecting a plurality of signals comprising a plurality of communication bands; a multi-depth corrugated horn assembly for...
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6930647 |
Semicircular radial antenna
At least one of the following requirements is satisfied. A position of a curvature center of an arcuate portion in at least one of waveguide plates is selected between a connecting member and a...
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6919854 |
Variable inclination continuous transverse stub array
An antenna array employing continuous transverse stubs as radiating elements is disclosed. In an exemplary embodiment, the array includes an upper conductive plate structure comprising a set of...
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6894654 |
Waveguide for a traveling wave antenna
A travelling waveguide antenna has top and bottom spaced plates, the top plate having radiating apertures extending therethrough. The apertures have inclined surfaces facing one another to provide...
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6891513 |
Antenna system for a level measurement apparatus
The present invention relates to an antenna system for a level measuring device for emitting microwaves by means of an antenna horn, at the front side of the small funnel aperture thereof. HF...
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6879297 |
Dynamically changing operational band of an electromagnetic horn antenna using dielectric loading
The invention concerns a multi-mode electromagnetic horn antenna that can operate over two or more distinct bands of frequencies. The horn ( 100 ) includes a throat portion ( 102 ) and an aperture...
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6861997 |
Parallel plate septum polarizer for low profile antenna applications
A parallel plate septum polarizer used in low profile, dual polarized, antenna applications such as satellite communications from a moving vehicle. The polarizer allows a wide waveguide to be fed...
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6859187 |
Horn antenna
The present invention relate to a horn antenna at a radar level gauge for determination of a level of a surface of a medium stored in a tank and a method of making a horn antenna which is...
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6850205 |
Waveguide antenna apparatus provided with rectangular waveguide and array antenna apparatus employing the waveguide antenna apparatus
A waveguide antenna apparatus is provided including a rectangular waveguide having one end short-circuited by a terminating conductor and another end opened. The rectangular waveguide includes a...
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6839037 |
Dual circular polarization waveguide system
A dual circular polarization waveguide ( 24 ) is described which has a septum ( 36 ) which divides the waveguide ( 24 ) into two separate compartments ( 38, 40 ) each with a probe ( 30 A, 30 B)...
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6833821 |
3-dimensional wave-guiding structure for horn or tube-type waveguides
The present invention provides a 3-dimensional wave-guiding structure for horn or tube-type waveguides. The wave-guiding structure comprises a fiber-reinforced composite material and a conductive...
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6831612 |
Antenna feed and a reflector antenna system and a low noise block (LNB) receiver, both with such an antenna feed
The present invention relates to antenna feeds ( 10, 30, 70, 78, 94 ) for use in linear or circularly polarised systems. In one embodiment of the invention, a cross-type antenna feed ( 30 )...
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6819299 |
Radio wave receiving converter and antenna device
A radio wave receiving converter in accordance with the present invention is for receiving satellite broadcast, and includes a body portion having a first feed horn portion, a second feed horn...
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6819297 |
Wideband planar antenna
An energy feed structure includes a first tube having an open end and a closed end, a second tube to pierce the closed end, and a solid dielectric material to cover the open end. An apparatus...
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6741217 |
Tunable waveguide antenna
A family of FE dielectric-tuned antennas and a method for frequency tuning a wireless communications antenna are provided. The method comprises: forming a radiator; forming a dielectric with...
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6727845 |
Device for emitting high-frequency signals
The invention relates to a device for emitting high-frequency signals, comprising a signal generation unit, a signaling line, an emission cable and an antenna configured as a circular waveguide,...
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6714165 |
Ka/Ku dual band feedhorn and orthomode transduce (OMT)
A dual band, higher and lower frequency range transducer with a circular coaxial waveguide feed is described having a first junction for connection of a lower frequency range outer waveguide of the...
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6710750 |
Microwave sensor antenna
Antenna centric duct 1 in the form of long cylinder has a coaxial channel of circular intersection 2 at one end, and a coaxial screwed tongue 3 at the other end. On one third of cylinder...
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6700549 |
Dielectric-filled antenna feed
A dielectric fill disposed in a waveguide is used to form an antenna feed. One attribute of the dielectric fill is to enable a reduction in aperture size that in turn increases the beamwidth. More...
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6700548 |
Dual band antenna feed using an embedded waveguide structure
A dual band antenna feed is made with an embedded waveguide structure to enable combining of Ka and Ku band signals without the need for an additional cavity-type filter. The antenna feed includes...
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6686891 |
System and method for a center fed reflector feed for a parabolic antenna
A system and method for a center fed reflector feed for a parabolic antenna where the feed is configured to include an output portion that is curved in two directions to thereby enhance the E and H...
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6661390 |
Polarized wave receiving apparatus
A wave receiving apparatus comprising a reflector; a conduit for guiding waves, having an open end allowing entrance of polarized waves reflected by the reflector; a septum polarizer monolithically...
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6642810 |
Waveguide apparatus
A waveguide apparatus for bidirectional distribution of signals includes: (a) a first conductive element parallel with a reference plane; (b) a second conductive element in spaced parallel relation...
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6642905 |
Thermal-locate 5W(V) and 5W(H) SSPA's on back of reflector(s)
A microwave antenna for an aircraft including a reflector element with a front surface and a rear surface. A horn is mounted to the front surface of the reflector element and an orthomode...
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6642901 |
Horn antenna apparatus
In a horn antenna apparatus for use in an antenna system for radar, some of the excited radio waves in a TE11 mode in a radio-wave input portion 1 are converted to those in a higher mode in a...
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6624792 |
Quad-ridged feed horn with two coplanar probes
The invention utilizes two nominally orthogonal probes to couple selectively to two orthogonal modes propagating in a microwave waveguide and horn. The waveguide and horn utilize internal ridges to...
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6621468 |
Low loss RF power distribution network
A radio frequency (RF) power distribution network includes a block assembly having integrated therein a network of waveguides and a plurality of waveguide power dividers. The block assembly has an...
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6618021 |
Electrically small aperture antennae with field minimization
A satellite assembly 10 is provided, including an RF radiating element 12 including a plurality of RF choke elements 18 , each of said plurality of RF choke elements 18 being defined by an...
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6614391 |
Device for determining the fill level of a filling substance in a container
The invention relates to a device for determining the fill level of a filling substance in a container. The device includes a signal generator unit which generates high-frequency signals, a...
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6611237 |
Fluidic self-assembly of active antenna
Fluidic self-assembly of active antenna. An embodiment that is described in the specification and drawings include a strip of substrate material having an antenna on one side, signal and power...
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6603438 |
High power broadband feed
A ridged feed horn antenna for use in broadband satellite communications. This multi-ridged feed horn operates in a receive band of 10-13 GHz and a transmit band of 14-15 GHz. The ridged feed horn...
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6597323 |
Dielectric leaky wave antenna having mono-layer structure
The present invention provides a dielectric leaky-wave antenna having a single-layer structure which is effective for realizing a highly efficient low-cost antenna in a quasi-millimeter wave zone...
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6597322 |
Primary radiator, phase shifter, and beam scanning antenna
A primary radiator comprises a base part in an upper surface of which a groove having a width of ½ to {fraction (1/1)} of the signal wavelength of a high frequency signal and a depth of about ¼...
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6580400 |
Primary radiator having improved receiving efficiency by reducing side lobes
A radiation section of a dielectric feeder protrudes from an opening of a waveguide to improve the efficiency of receiving radio signals. An opening is provided at one end of the waveguide. A...
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6570542 |
Integrated dual-directional feed horn
An integrated dual-directional feed horn, for receiving RF signals from two satellites in small angle, includes a LNBF (first low noise block with integrated feed) and a second LNBF. The antenna...
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6535169 |
Source antennas for transmitting/receiving electromagnetic waves for satellite telecommunications systems
The present invention relates to a source antenna for transmitting/receiving electromagnetic waves comprising means for transmitting electromagnetic waves with longitudinal radiation operating in a...
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6535174 |
Multi-mode square horn with cavity-suppressed higher-order modes
An antenna apparatus that has an increased efficiency, and a method for increasing the efficiency of multi-mode antenna feed horns, is disclosed. The method comprises the steps of exciting, within...
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6522304 |
Dual damascene horn antenna
An integrated horn antenna device with an integrated circuit (IC) chip including a metallic horn structure having a wide aperture, a horizontal waveguide with a tapered via that electromagnetically...
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