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8994609 Conformal surface wave feed  
A transmission line feed for a surface wave medium having a dielectric substrate with an array of electrically conductive patches formed thereon. The transmission line feed includes a microstrip...
8988300 Dual-circular polarized antenna system  
In an example embodiment, an azimuth combiner comprises: a septum layer comprising a plurality of septum dividers; first and second housing layers attached to first and second sides of the septum...
8988302 Antenna arrangements  
The present invention relates to an antenna arrangement (100) comprising an antenna part comprising at least two antenna means, each with a number of first antenna elements having a first...
8970424 Radar level gauge system with reduced antenna reflection  
A radar level gauge system for determining a filling level in a tank. The radar level gauge system comprises a transceiver, a horn antenna having a first opening connected to the transceiver and a...
8957831 Artificial magnetic conductors  
In one embodiment an artificial magnetic conductor assembly to reflect an electromagnetic signal with a phase shift that measures between −90 degrees and +90 degrees at a target frequency...
8947315 Multiband antenna and mounting structure for multiband antenna  
An antenna that resonates at each of at least operating two frequency bands includes a first LC parallel circuit having a first impedance between a feeding element and a feeding circuit, and a...
8941549 Compact four-way transducer for dual polarization communications systems  
A compact four-way transducer (FWT) is provided for a microwave communications system. The compact FWT is a compact assembly that is configured to process microwave signals in dual-polarization...
8933855 Antenna feed with polarization rotation  
Various exemplary embodiments relate to an antenna feed configured to receive a signal having a wavelength. They antenna feed may include a cylindrical body and four pin groups. Each pin group may...
8928543 Gyrotropic metamaterial structure  
A gyrotropic metamaterial structure that include a plurality of chiral metamaterials forming one or more pairs of dipole structures. A plurality of lumped circuits are positioned between the one...
8878629 Diplexer for a reflector antenna  
A diplexer for a reflector antenna includes a common circular signal waveguide to transmit and receive signals. The signal waveguide includes first and second ends with a common port provided at...
8872725 Electronically-tunable flexible low profile microwave antenna  
A low profile antenna that provides high isolation to back-side radiation, is flexible to allow conformal mounting to a surface, and can be tuned over a wide frequency range is conceived. The...
8866686 Methods and apparatus for super-element phased array radiator  
Methods and apparatus for a super-element assembly including a dielectric subassembly having first and second conductive patch conductors extending a longitudinal axis of the super-element...
8836596 Filter antenna  
A multi-pole filter antenna may include aperture-coupled non-dominant mode cavity resonators, and an aperture-coupled dominant mode patch antenna. The filter antenna may be implemented in a...
8803749 Elliptically or circularly polarized dielectric block antenna  
An elliptically polarized (EP) dielectric block antenna comprises a linearly polarized (LP) dielectric block antenna and a wave polarizer integrated with the LP dielectric block antenna. The wave...
8803741 Miniature anti-jam GPS antenna array using metamaterial  
Antennae are described. The antennae may be GPS antennae configured to receive GPS signals at both the L1 and L2 frequencies. The antennae may include patches and polarizers which allow the...
8779997 Apparatus and method for a variable-ratio rotationally polarized slot-style television and radio broadcast antenna  
Disclosed is a microwave or radio wave broadcast antenna array constructed to produce rotating fields of energy for broadcast or transmission. The array has an inner conductor enclosed within a...
8768242 Remote satellite terminal with antenna polarization alignment enforcement and associated methods  
A communications system includes a satellite hub, a remote satellite terminal, and a satellite configured to provide communications therebetween. The remote terminal includes a controller that...
8744031 Device and method for estimating carrier frequency offset of OFDM signals transmitted and received through plurality of polarized antennas  
Provided are a device and method for estimating carrier frequency offset of OFDM signals transmitted and received through a plurality of polarized antennas that may accurately estimate carrier...
8736396 Radio communicating device, rotational structure, and electronic device  
Disclosed herein is a radio communicating device including: a first communicating block; a second communicating block rotatable about an axis of rotation relative to the first communicating block;...
8730119 System and method for hybrid geometry feed horn  
A feed horn and systems and methods of making and using the feed horn are presented. Exemplary feed horns include a first portion comprising a dual mode geometry and a second portion comprising an...
8723747 Polarization phase device and a feed assembly using the same in the antenna system  
The present invention is a satellite antenna system having a motor driven mechanism configured to rotate a feed assembly. The feed assembly includes at least one inner feed tube and at least one...
8723746 Slotted ground plane antenna  
An antenna structure including a ground plane is capable of producing an EM interference pattern to produce signal gains at a zenith of the antenna. The slots in the ground plane are positioned at...
8704719 Multi-function antenna  
An antenna includes a CPW transmission line and a radiating portion. The radiating portion is coupled to the CPW transmission line and is substantially coplanar with the CPW transmission line. The...
8698683 Dual polarized reflector antenna assembly  
A dual polarized reflector antenna assembly, provided with a reflector dish coupled to a feed hub with a feed port there through; a transceiver support bracket coupled to a backside of the feed...
8693970 Multi-beam active phased array architecture with independant polarization control  
In an exemplary embodiment, a phased array antenna comprises multiple subcircuits in communication with multiple radiating elements. The radio frequency signals are independently adjusted for both...
8674893 Antenna feed assembly  
An antenna feed assembly is provided which includes at least two elongate feed chains lying adjacent one another. Each feed chain is adapted to transmit or receive electromagnetic radiation...
8660623 Mobile wireless device with integrated antenna and audio transducer assembly and related methods  
A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing, a wireless communications circuit carried by the circuit board, and an...
8634792 Adjustable antenna assembly for receive blocking  
An RF receiver section includes an adjustable antenna assembly, a low noise amplifier module, and a down conversion module. The adjustable antenna assembly is configured to provide a first receive...
8633861 Waveguide radiating element of an antenna suitable to operate in the Wi-Fi band, and system for measuring the performances of an antenna operating in the C band and using such a radiating element  
Structures and methods for a tunable waveguide radiating element are disclosed. The waveguide radiating element comprises a rectangular tube, which includes partially filled dielectric slabs that...
8618994 Passive electromagnetic polarization shifter with dielectric slots  
A method for making a dielectric-slot polarizer includes affixing plural dielectric sheets in a stack with those sheets having the greatest dielectric constant toward the center of the stack. The...
8599085 Electromechanical polarization switch  
In accordance with various aspects of the present invention, a method and system for electro-mechanical polarization switching in an antenna system is presented. The antenna system may comprise an...
8576133 Adjustable antenna assembly for receive blocking  
An RF receiver section includes an adjustable antenna assembly, a low noise amplifier module, and a down conversion module. The adjustable antenna assembly is configured to provide a first receive...
8571599 Mobile wireless device with multi feed point antenna and audio transducer and related methods  
A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing, a wireless communications circuit carried by the circuit board, and an...
8547290 Device for conveying signals for mobile antenna positioner  
A device for conveying signals for a mobile antenna positioner is provided. The device comprises a waveguide with a conductive structure including a first end connected to the antenna, and a...
8519899 Passive electromagnetic polarization shifter with dielectric slots  
A dielectric-slot polarizer arrangement includes a first dielectric polarizer plate with first elongated aperture arrangement, and second and third dielectric polarizer plates, also defining...
8497673 Directional resistivity antenna shield  
A logging while drilling tool includes a directional resistivity antenna and an antenna shield having. The shield has at least one slot having at least one electrically open end formed therein....
8487824 Zero degree grid antenna  
A vertically polarized dipole or bicone antenna is positioned cylindrically with in many cylindrical layers of polarizing grids that slowly rotate the incident field to cross 0 degrees, i.e., 90...
8487823 Switchable microwave fluidic polarizer  
A switchable microwave fluidic polarizer is provided. In one embodiment, the invention relates to a switchable polarizer for polarizing radio frequency (RF) signals associated with an antenna, the...
8451189 Ultra-wide band (UWB) artificial magnetic conductor (AMC) metamaterials for electrically thin antennas and arrays  
This disclosure demonstrates a new class of Ultra-Wide Band (UWB) AMC with very large fractional bandwidth (>100%) even at lower frequencies (<1 GHz). This new UWB AMC is enabled by recognizing...
8437082 Orthogonal scattering features for solar array  
A leaky travelling wave array of optical elements provide a solar wavelength rectenna.
8427382 Power combiner/divider for coupling N-coaxial input/outputs to a waveguide via a matching plate to provide minimized reflection  
To transport electromagnetic energy at high power levels, a coaxial-to-waveguide power combiner/divider comprises a length of single-conductor closed waveguide terminated at one end by a...
8421696 Dual polarization antenna structure, radome and design method thereof  
A dual polarization antenna radome includes a plurality of dielectric substrates. Each dielectric substrate provides a plurality of metal totems, and the pattern of the metal totems is unchanged...
8395559 Capacitive loaded grid antenna  
A forty five degree polarized antenna having grid layers wrapped around a vertically polarized dipole, or grids wrapped internally or externally around a vertically polarized bicone antenna, and...
8354969 Polarizer and waveguide antenna apparatus using the same  
A polarizer includes a waveguide channel having a substantially square cross section and a septum disposed within the waveguide channel. The septum includes a stepped edge and two opposite stepped...
8354975 Electromagnetic band gap element, and antenna and filter using the same  
Conductor pieces 102 that are periodically arrayed, a conductor plane 103 that has openings 104 periodically arrayed so as to correspond to the conductor pieces 102, and a dielectric 108 that is...
8339326 Antenna polarization control  
Controlling an antenna's polarization sense. An antenna system includes a polarized antenna and a mechanism for controlling the polarization sense of the antenna. The controlling mechanism can...
8314341 Printed circuit board having electromagnetic bandgap structure  
Disclosed is a printed circuit board into which an electromagnetic bandgap structure for blocking a noise is inserted. The electromagnetic bandgap structure can include a first conductive plate, a...
8258408 Electromagnetic interference noise reduction board using electromagnetic bandgap structure  
As a multi-layered board, an EMI noise reduction board, having an electromagnetic bandgap structure with band stop frequency properties inserted into an inner portion of the board, includes a...
8253025 Printed circuit board having electromagnetic bandgap structure  
Disclosed is a printed circuit board including an electromagnetic bandgap structure. The electromagnetic bandgap structure for blocking a noise is inserted into the printed circuit board. The...
8253642 Leaky-wave antenna capable of multi-plane scanning  
A leaky-wave antenna capable of multi-plane scanning is provided. The leaky-wave antenna includes a substrate, a first antenna series, a second antenna series and a plurality of control units. The...