|
Match
|
Document |
Document Title |
|
|
7623085 |
Artificial dielectric antenna elements
An artificial dielectric antenna structure for reducing the mass and insertion loss of an antenna is provided. The artificial dielectric antenna structure includes a plurality of layers of...
|
|
|
7605754 |
Null-fill antenna, omni antenna, and radio communication equipment
A wide-angle null-fill antenna with no null in the depression angle range, an omni antenna using the same, and radio communication equipment. A null-fill antenna comprises a first antenna array...
|
|
|
7589689 |
Antenna designs for multi-path environments
Antenna designs for data transmission improve signal fidelity in multi-path environments.
|
|
|
7586464 |
Broadband leaky wave antenna
An antenna comprises a conically shaped body of dielectric material. Cross-sections of the body have truncated elliptical shape, wherein each shape is truncated substantially through a first focus...
|
|
|
7586444 |
High-frequency electromagnetic bandgap device and method for making same
A high-frequency Electromagnetic Bandgap (EBG) device, and a method for making the device are provided. The device includes a first substrate including multiple conducting vias forming a periodic...
|
|
|
7576703 |
Parallel waveguide slot coupler with reactive buffering region
The present invention is a frequency scanned waveguide antenna including a plurality of radiating waveguides configured as a flat plate array, each radiating waveguide including an enclosure having...
|
|
|
7564419 |
Wideband composite polarizer and antenna system
A composite polarizer including a first polarizer having a plurality of parallel metal vanes and a second polarizer having a plurality of parallel layers of dielectric material is provided. The...
|
|
|
7525500 |
Element reduction in phased arrays with cladding
Grating lobe free scanning in a phased array with sparse element spacing is obtained by restricting the maximum scan angle for elements in the array, and cladding the array. Array elements may be...
|
|
|
7498994 |
Dual band antenna aperature for millimeter wave synthetic vision systems
A dual band antenna system for synthetic vision systems including a slotted waveguide antenna having rows of slots on a front surface, a microstrip patch array antenna overlying the front surface...
|
|
|
7498896 |
Waveguide to microstrip line coupling apparatus
Electrical coupling apparatus providing transition between a high radio frequency waveguide and a perpendicularly oriented microstrip line without use of a shorting cap fixes an open end of the...
|
|
|
7495622 |
Electronically scanned wideband antenna
An electronically scanned antenna working in a wide frequency band comprises at least: one reflector panel comprising an array of phase-shifters cells; one slotted waveguide illuminating the...
|
|
|
7486247 |
Millimeter and sub-millimeter wave detection
In accordance with one embodiment of the present invention, an antenna assembly comprising an antenna portion and an electrooptic waveguide portion is provided. The antenna portion comprises at...
|
|
|
7486236 |
High-frequency feed structure antenna apparatus and method of use
An antenna apparatus for the reception of, and or transmission of, electromagnetic energy, the apparatus including a non-radiating dielectric waveguide aperture coupled to at least one dielectric...
|
|
|
7468707 |
Signal receiver and frequency down converter thereof
A frequency down converter. A plate body of the frequency down converter includes a main surface. A first wave guide includes a first section and a second section connected to the first section....
|
|
|
7436361 |
Low-loss dual polarized antenna for satcom and polarimetric weather radar
The present invention is a low-loss polarized antenna for satellite communications and polarimetric weather radar. The antenna may comprise: (a) a microstrip patch antenna, (b) a waveguide, and (c)...
|
|
|
7436371 |
Waveguide crescent slot array for low-loss, low-profile dual-polarization antenna
A low-loss, low-profile dual-polarization slotted waveguide antenna includes one or more waveguides having a characteristic wavelength. Radiation apertures comprised of a waveguide slot pairs are...
|
|
|
7432871 |
True-time-delay feed network for CTS array
A true-time-delay feed network for a continuous transverse stub antenna array includes a plurality of feed levels, each comprising one or more rails, the feed levels arranged in a spaced...
|
|
|
7425930 |
Light-weight signal transmission lines and radio frequency antenna system
A light weight antenna system and corresponding lightweight transmission lines are disclosed that are characterized as having an extremely light weight relative to prior such systems and lines. An...
|
|
|
7411472 |
Low-loss integrated waveguide feed for wafer-scale heterogeneous layered active electronically scanned array
A wafer-scale heterogeneous layered active electronically scanned array (ESA) utilizes a low-loss integrated waveguide feed. The ESA is formed from wafer-scale subarray modules each of which...
|
|
|
7403169 |
Antenna device and array antenna
The present invention relates to a broadband non-resonant antenna device for wireless transmission of information using electromagnetic signals, comprising a metal sheet layer, forming a plane,...
|
|
|
7391381 |
Vehicle mounted satellite antenna system with in-motion tracking using beam forming
The present invention relates to a vehicle mountable satellite antenna as defined in the claims which is operable while the vehicle is in motion. The satellite antenna of the present invention can...
|
|
|
7379029 |
Waveguide slot antenna and arrays formed thereof
A waveguide slot antenna element, waveguide slot antenna arrays comprising a plurality of the waveguide slot antenna elements and a method of operating the waveguide slot antenna arrays are...
|
|
|
7362273 |
Dual-polarized feed antenna apparatus and method of use
An antenna apparatus and method for the interception of randomly polarized electromagnetic waves utilizing a dual polarized antenna which is excited through a cross-slot aperture using two...
|
|
|
7358917 |
Frequency dispersive antenna suitable in particular for the pinpointing of objects over an angular domain greater than the natural width of the said antenna
The invention relates to a frequency dispersive antenna. The antenna comprises at least one top part and one bottom part. The top part and the bottom part comprises radiating waveguides coupled...
|
|
|
7342550 |
Rugged, metal-enclosed antenna
The antenna includes a metallic enclosure having a height dimension. At least one slotted opening is formed along the metallic enclosure. Each slotted opening has a slotted opening length and a...
|
|
|
7292196 |
System and apparatus for a wideband omni-directional antenna
Embodiments generally relate to an antenna. The antenna includes at least two slot radiators, where each slot radiator has an input port and a profile that has been defined to optimize the return...
|
|
|
7289077 |
Frequency-dispersive antenna applied in particular to a meteorological radar
The invention relates to a frequency-dispersive antenna. The antenna comprises radiating waveguides on which are formed slots. The antenna comprises at least one feed waveguide linked by coupling...
|
|
|
7227508 |
Vehicle mounted satellite antenna embedded within moonroof or sunroof
The present invention relates to a vehicle mountable satellite antenna as defined in the claims which is operable while the vehicle is in motion. The satellite antenna of the present invention can...
|
|
|
7218286 |
Hollow waveguide sector antenna
A hollow waveguide group antenna comprises a hollow waveguide extending in a direction in space and a plurality of chambers, each of which has a sending/receiving slit and is coupled to the hollow...
|
|
|
7180457 |
Wideband phased array radiator
A radiator element includes a pair of substrates each having a transition section and a feed surface, each of the substrates is spaced apart from one another. The radiator element further includes...
|
|
|
7142165 |
Waveguide and slotted antenna array with moveable rows of spaced posts
A waveguide structure including two parallels electrically conducting ground planes ( 1,2 ), each of which includes at least one row of spaced apart electrically conducting posts ( 3 ). The rows of...
|
|
|
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...
|
|
|
7109939 |
Wideband antenna array
An antenna array comprises a substrate; a plurality of projecting, tapering structures disposed in an array and attached to a first major surface of said substrate, the plurality of projecting,...
|
|
|
7109941 |
Feedhorn, radio wave receiving converter and antenna
A feedhorn, a radio wave receiving converter, and an antenna that can be reduced in size and have high reliability can be obtained. A feedhorn portion constitutes part of a converter, and includes...
|
|
|
7091921 |
Traveling-wave combining array antenna apparatus
A traveling-wave combining array antenna apparatus includes first and second traveling-wave array antennas. The first traveling-wave array antenna has a plurality of antenna elements provided at...
|
|
|
7088303 |
Folded path flat-plate antennas for satellite communication
Flat-plate antennas have a compact form by use of a folded path network construction whereby received signals are coupled through a unitary network structure to an adjacent signal processing unit....
|
|
|
7071890 |
Reflector
A reflector includes a pair or plural pairs of array antennas. Each array antenna is formed of an arrangement of a plurality of antenna elements formed on a surface of a waveguide. The array...
|
|
|
7068236 |
Phasing element and variable depointing antenna including at least one such element
A phasing element and an antenna including at least one such phasing element. The former is intended for inserting a variable lag into the transmission of an electric signal by variation of the...
|
|
|
7064726 |
Antenna device and transmitting/receiving device
An antenna apparatus includes two circular waveguides including a fixed-side circular waveguide and a rotation-side circular waveguide, each having a propagation mode in a TM01 mode, and being...
|
|
|
7061444 |
RLSA antenna having two orthogonal linear polarizations
The network antenna of the RLSA type in the form of a radial waveguide has a feed structure allowing simultaneous excitation of the antenna in two orthogonal linear polarizations. The feed...
|
|
|
7030826 |
Microwave transition plate for antennas with a radiating slot face
A microwave antenna has a rectangular section waveguide with two narrow walls and and two broad walls. Towards one end, the waveguide is coupled with a microwave transition by which a coaxial...
|
|
|
7023393 |
Slot array antenna and plasma processing apparatus
A slot array antenna, consistent with the invention can include a power feeding waveguide for feeding microwave power and a plurality of rectangular radiating waveguides. The plurality of...
|
|
|
7009565 |
Miniaturized antennas based on negative permittivity materials
An antenna comprises a resonator and a waveguide. The resonator comprises at least one body having a negative effective electrical permittivity or a negative magnetic permeability when a resonance...
|
|
|
7009572 |
Tapered slot antenna
An improved tapered slot antenna. The structure includes a first antenna element, a second antenna element, a brace, a semi-infinite balun and a radome. The first and second antenna elements are...
|
|
|
6999039 |
Extruded slot antenna array and method of manufacture
A method for manufacturing an extruded slot antenna array includes extruding a slot antenna body, the slot antenna including a first major surface, a second major surface, first and second external...
|
|
|
6999672 |
Waveguide to microstrip transition
A waveguide coupling device comprises a waveguide section in which a guided wave may be propagated in at least one waveguide mode and which has two slits in one of its walls. The waveguide mode has...
|
|
|
6995725 |
Antenna assembly
In an implementation of antenna assembly, an antenna element is formed with a front plate that has slots for wireless communication signal transfer, a dielectric material, a channel guide that is...
|
|
|
6995724 |
Waveguide slot type radiator having construction to facilitate manufacture
A waveguide portion has a waveguide with a rectangular section surrounded by a pair of narrow side plates opposed to each other, a pair of broad side plates extending along lengthwise directions of...
|
|
|
6989795 |
Line-replaceable transmit/receive unit for multi-band active arrays
A line-replaceable unit for a phased array antenna including a thermally conductive housing having a front face and an opposed rear face, at least one open-ended waveguide extending through the...
|
|
|
6985118 |
Multi-band horn antenna using frequency selective surfaces
A waveguide ( 100 ) including at least one outer surface ( 105, 110, 115, 120 ) defining a waveguide cavity ( 140 ) and at least one inner surface ( 130, 135 ) positioned within the waveguide...
|