Class / Patent application number | Description | Number of patent applications / Date published |
342361000 | Including polarized signal communication transmitter or receiver | 37 |
20080204318 | Antenna System for Sharing of Operation - An antenna system for sharing of operation employs contiguous transmit frequencies. Transmit frequencies are separated into non-contiguous sub-groups isolated from one another by filters | 08-28-2008 |
20080218412 | Quad Polar Transmission - The present invention provides methods and apparatus for MIMO communications across wireless fixed links, comprising a first pair of dual polar antennas, spaced apart in a direction orthogonal to the direction of the fixed link for transmission, and a second such pair for reception, wherein orthogonal polarisations of one of each pair of antennas are oriented intermediate between the orthogonal polarisations of the other of each pair of antennas. | 09-11-2008 |
20100060520 | Receiver device and method of receiving a plurality of signals - A receiver device and method of receiving a plurality of signals are provided, wherein the receiver device includes at least one antenna element and circuitry in communication with the at least one antenna element. The at least one antenna element is configured to receive at least a first signal having a first polarization and a second signal having a second polarization, wherein the first polarization is different than the second polarization. The circuitry is configured to process and emit an output based upon at least one of the received first and second signals, wherein the first signal is received at a first reception elevation angle with respect to the at least one antenna element that is greater than a second reception elevation angle of the second signal with respect to the at least one antenna element, and the first and second signals are transmitted at substantially the same frequency. | 03-11-2010 |
20110006948 | ONBOARD ANTENNA SYSTEM FOR SATELLITE TRACKING WITH POLARIZATION CONTROL - The present invention concerns an antenna system ( | 01-13-2011 |
20110115673 | SYSTEM AND METHOD FOR INTERROGATING A TARGET USING POLARIZED WAVES - A system and method for communication that could be used in an identification friend or foe system. The method comprises generating a first message by a processor and controlling a beam steerer to deflect transmitted waves toward a first angle. The method further comprises transmitting the first message through an antenna in communication with the beam steerer toward the spatial angle. The method further comprises controlling the beam steerer to deflect waves received from the spatial angle. The method further comprises receiving a responsive wave at the antenna through the beam steerer at the spatial angle, the responsive wave including a second message responsive to the first message. | 05-19-2011 |
20110115674 | SYSTEM AND METHOD FOR INTERROGATING A TARGET USING POLARIZED WAVES - A system and method for communication that could be used in an interrogate friend or foe system. The method comprises generating a first message by a processor and controlling a beam steerer to transmit waves polarized in a first polarization-direction toward a first spatial angle. The method further comprises transmitting the first message through an antenna in communication with the beam steerer toward the first spatial angle. The method further comprises receiving the first message at a target through a second antenna and generating a second message responsive to the first message by a second processor in communication with the second antenna. The method further comprises transmitting the second message in a responsive wave through the second antenna, the responsive wave polarized in a second polarization-direction distinct from the first polarization-direction; and receiving the responsive wave at the first antenna through the beam steerer. | 05-19-2011 |
20120162008 | ANTENNA SYSTEM HAVING ADAPTIVE POLARIZATION CONTROL - An antenna system includes: an orthogonal multi-polarization antenna configured to output independent double orthogonal polarizations through two independent input/output terminals; an antenna main control unit configured to perform a polarization control algorithm, collect and analyze information for polarization control, and provide polarization control information; and a polarization control unit configured to perform independent amplitude and phase control with regard to a pair of independent channels connected to the orthogonal multi-polarization antenna, based on the polarization control information received from the antenna main control unit, so that various polarizations are formed. | 06-28-2012 |
20120262336 | RADIO COMMUNICATION SYSTEM AND CONTROLLING METHOD THEREOF - Provided is a radio communication system using CO-Channel (CO-CH) to improve a reception quality at low cost. | 10-18-2012 |
20130057431 | On-Board Directional Flat-Plate Antenna, Vehicle Comprising Such an Antenna, and Satellite Telecommunication System Comprising Such a Vehicle - An onboard directional plane antenna comprises at least one array of radiating-slot waveguides comprising an alternating succession of three superposed metallic plates and of two dielectric substrates. The two substrates each comprise at least four adjacent waveguides, corresponding and communicating with one another pairwise by way of coupling slots. Each waveguide of the upper substrate furthermore comprises a plurality of radiating slots passing through the upper metallic plate, all the radiating slots of one and the same waveguide being parallel to one another and oriented in one and the same direction, the radiating slots of two adjacent waveguides being disposed in chevrons. Each waveguide of the lower substrate comprises an internal individual feed circuit comprising an individual electronic circuit for phase shifting and amplification. | 03-07-2013 |
20130162474 | SIGNAL TRANSMITTING/RECEIVING APPARATUS AND METHOD FOR CONTROLLING POLARIZATION - Disclosed are signal transmitting apparatus and method capable of generating polarizations that can be controlled in real time by allocating weights to signals. A signal transmitting method for generating variable polarizations having any vector through a plurality of radiating elements vertical to each other includes: receiving an input signal and separating the input signal into a plurality of separated signals according to the number of radiating elements; and allocating weights for controlling vectors of the variable polarizations to each of the plurality of separated signals, wherein the vectors of the variable polarizations are represented by a vector sum of the plurality of separated signals allocated with weights. | 06-27-2013 |
20130176172 | Mobile Directional Antenna with Polarization Switching - An antenna with polarization switching comprising a plurality of waveguides fed with radiofrequency signals and perforated with apertures disposed so as to illuminate radiating elements placed on mobile support means in a plane that is distant from the said apertures, it being possible for the said support means to be configured according to at least two distinct configurations. The radiating elements illuminated according to one and the same configuration are adjacent, the support means being adapted for orienting the radiating elements illuminated in a first configuration according to a different direction from the radiating elements illuminated in a second configuration. The antenna applies notably to the switching of antennas onboard objects moving on the ground required to undertake high-speed communications with a satellite, in particular a geostationary satellite. | 07-11-2013 |
20140049425 | SIGNAL SOURCE DEVICE PROVIDING MULTI-POLARITY SIGNALS - A signal source simultaneously emits horizontally polarized and vertically polarized signals and includes an enclosure, a power source and a signal generator received in the enclosure, and a first antenna and a second antenna set on an outer surface of the enclosure. The second antenna is perpendicular to the first antenna. The signal generator generates a comb-shaped signal having a predetermined frequency and the comb-shaped signal is split to two sub-signals of equal power by the signal generator, and the sub-signals are transmitted into a test environment via the first antenna and the second antenna. | 02-20-2014 |
20140104105 | Polarization Re-alignment for Mobile Satellite Terminals - A system for allowing ground terminals, specifically mobile ground terminals, to dynamically and electronically realign signal polarizations to match that of incoming and outgoing signal polarizations from designated space assets, specifically communications from satellites, comprising an adaptive re-orientation technique based on a cost minimization function, and a means of direct calculations of weighting components based on the knowledge of the orientation and bearing of both the satellites and the ground terminals. The embodiment will allow a mobile ground terminal to electronically realign itself to the signals of a satellite, without the need for mechanical processes to physically re-orient the antenna array. | 04-17-2014 |
20140253378 | Quad-Sector Antenna Using Circular Polarization - Systems and methods for providing a MIMO capable antenna with unique properties are provided herein. In some embodiments, a 4×4 MIMO capable antenna is provided with unique properties. Circular polarization from the antennas ensures that both vertical and horizontal polarizations are energized to the full extent provided by local regulations. A system includes a radio and a plurality of antennas coupled to the radio, the plurality of antennas servicing a broadcast area that has a 360 degree coverage area. Each of the plurality of antennas transmits and receives in an isolated sub-sector of the 360 degree coverage area. | 09-11-2014 |
20150015440 | FREQUENCY SELECTIVE POLARIZER - A wideband frequency selective polarizer is provided. The wideband frequency selective polarizer includes arrays of first-frequency slots in at least two metallic sheets in at least two respective planes; and arrays of second-frequency slots interspersed with the arrays of first-frequency slots in the at least two metallic sheets in at least two respective planes. A polarization of a first-frequency radio frequency (RF) signal in a linearly-polarized-broadband-RF signal that propagates through the at least two planes is one of: rotated by a first angle in a negative direction; or un-rotated. A polarization of a second-frequency-RF signal in the linearly-polarized-broadband-RF signal is rotated by a second angle in a positive direction. | 01-15-2015 |
20150054687 | METHOD FOR OVER-THE-AIR MEASUREMENT SIGNAL GENERATION - A method is provided for generating and transmitting a test signal for an over-the-air test of a device-under-test that is in simulated motion. The method includes dithering Doppler shifts of a carrier frequency of the test signal on sub-path components of the test signal to produce slightly different frequencies per sub-path component, wherein the sub-path components are at a first and second polarization orientations. Dithering Doppler shifts can include dithering a first sub-path component at the first polarization orientation while keeping this sub-path component at the second polarization orientation at the original Doppler shift of the carrier frequency of the test signal, or keeping a first sub-path component at the first polarization orientation at the carrier frequency of the test signal while dithering this sub-path component at the second polarization orientation. Dithering Doppler shifts can include dithering sub-path components at the first and the second polarization orientation. | 02-26-2015 |
20150061936 | DUAL POLARIZATION GROUND-BASED PHASED ARRAY ANTENNA SYSTEM FOR AIRCRAFT COMMUNICATIONS AND ASSOCIATED METHODS - A ground-based antenna system includes a first phased array antenna to generate a first directional antenna beam at a first polarization, and a second phased array antenna to generate a second directional antenna beam at a second polarization. The first and second phased array antennas each include a lower antenna element row, an upper antenna element row, and medial antenna element rows therebetween. The ground-based antenna system further includes first and second antenna beam controllers cooperating with the first and second phased array antennas to generate a more steeply sloped phase taper associated with the lower antenna element row, a less steeply sloped phase taper associated with the medial antenna element rows, and a more steeply sloped phase taper associated with the upper antenna element row. | 03-05-2015 |
20150362583 | SCALABLE POLARIMETRIC PHASED ARRAY TRANSCEIVER - A polarimetric transceiver front-end includes two receive paths configured to receive signals from an antenna, each receive path corresponding to a respective polarization. Each front-end includes a variable amplifier and a variable phase shifter; a first transmit path configured to send signals to the antenna, where the transmit path is connected to the variable phase shifter of one of the two receive paths and includes a variable amplifier; and a transmit/receive switch configured to select between the first transmit path and the two receive paths for signals, where the transmit/receive switch includes a quarter-wavelength transmission line that adds a high impedance to the transmit path when the transmit/receive switch is in a receiving state. | 12-17-2015 |
20160041253 | METHOD FOR THE ANALYSIS OF A WAVE FIELD - A method, device, system and use for determining a distance, location and/or orientation including the at least relative determination of a position of at least one object using at least two active anchors. A first signal is emitted by a first of the two anchors and is received at the object and by a second of said two anchors. A phase measurement is performed at said second anchor and wherein a distance determination with respect to said first anchor is performed and/or the distance from said first anchor to said second anchor is known. A second, particularly electromagnetic, signal is emitted from said second anchor, and information on phase measurement and distance between said first and second anchors is made available to a computation unit and at least one phase measurement respectively of said first and second signal is performed at said object and made available to said computation unit. | 02-11-2016 |
20160079682 | Polarization Re-alignment for Mobile Satellite Terminals - A system for allowing ground terminals, specifically mobile ground terminals, to dynamically and electronically realign signal polarizations to match that of incoming and outgoing signal polarizations from designated space assets, specifically communications from satellites, comprising an adaptive re-orientation technique based on a cost minimization function, and a means of direct calculations of weighting components based on the knowledge of the orientation and bearing of both the satellites and the ground terminals. The embodiment will allow a mobile ground terminal to electronically realign itself to the signals of a satellite, without the need for mechanical processes to physically re-orient the antenna array. | 03-17-2016 |
20160134378 | MOVING PLATFORM ROLL ANGLE DETERMINATION SYSTEM USING RF COMMUNICATIONS LINK - An orientation tracking system for a moving platform includes a transmitter which generates an beam having a known polarization with respect to a predefined coordinate system. The moving platform includes an ellipsometric detector capable of detecting the polarized beam when within the line-of-sight of the transmitter, and measuring its polarization state. The polarization state indicates the rotational orientation of the moving platform with respect to the predefined coordinate system. The beam could also be used to convey guidance commands to the platform. | 05-12-2016 |
20160138946 | DEVICE FOR MEASURING A ROTATIONAL ANGLE BY MODIFYING AND MEASURING THE POLARIZATION OF RADIO WAVES AND USE OF SAID DEVICE - The present invention relates to devices for changing and measuring the polarisation of radio waves, Embodiments of the devices for different applications as well as uses of the devices as sensors for measuring angles and shifts. | 05-19-2016 |
20160164191 | Polarization Re-alignment for Mobile Satellite Terminals - A system for allowing ground terminals, specifically mobile ground terminals, to dynamically and electronically realign signal polarizations to match that of incoming and outgoing signal polarizations from designated space assets, specifically communications from satellites, comprising an adaptive re-orientation technique based on a cost minimization function, and a means of direct calculations of weighting components based on the knowledge of the orientation and bearing of both the satellites and the ground terminals. The embodiment will allow a mobile ground terminal to electronically realign itself to the signals of a satellite, without the need for mechanical processes to physically re-orient the antenna array. | 06-09-2016 |
20220140497 | Compact Antenna Test Range (CATR) Alignment Verification - Methods, apparatuses, and systems for verifying alignment of a compact antenna test range (CATR) are presented. A radio frequency (RF) profile may be generated based on test signals received by a reference antenna at a plurality of orientations. Phase and amplitude data of the RF profile may be used to determine whether the CATR is aligned properly. | 05-05-2022 |
342362000 | Receiver only | 5 |
20100164801 | DEVICE FOR TRACKING POLARIZATION - Provided is a device for tracking polarizations. A receiving polarization tracking device includes a feeder for finding vertical and horizontal vector components by receiving vertical and horizontal polarizations, a polarization estimator for estimating distortion of polarizations using the vertical and horizontal vector components outputted from the feeder, a polarization controller for controlling amplitudes and phases of vertical and horizontal polarizations based on information about the estimated distortion from the polarization estimator and an output signal from the receiving polarization tracking device, and a combiner for combining the vertical and horizontal polarizations controlled from the polarization controller. | 07-01-2010 |
20110133986 | DIRECTIONAL MULTIPLE-POLARIZATION WIDE BAND ANTENNA NETWORK - A directional multiple-polarization wide band antenna array working in a selected frequency band and including a plurality of N individual sensors of convoluted spiral type complementing a number of strands arranged according to a structure making it possible to obtain for obtaining a given azimuth coverage, each of the N sensors including a reflecting plane attached to the antenna by an insulating spacer E, matching cells suited to the working frequency band of said array, and separate output channels ( | 06-09-2011 |
20140132448 | SHAPED LENS ANTENNA FOR DIRECTION FINDING AT THE Ka-BAND - A high gain antenna for direction finding in the Ka-band. The antenna consists of a lens antenna fed by two micro strip patch antennas. The printed patch antennas are fed by a 180 degree hybrid coupler having four ports, with two ports connected to the feeds of the patch antennas and the other two ports connected to the receiver/exciter. The hybrid sums the signals from the patches and subtracts the signals from the patches to form sum and difference channels. By comparing the sum and difference channels, a user can determine whether the signal entered through the main beam. For example, if the sum signal is greater than the difference signal, the signal is in the main beam. If not, the signal came from another angle. | 05-15-2014 |
20140266888 | ELECTROMAGNETIC VECTOR SENSORS (EMVS) APPARATUS METHOD AND SYSTEM - An electromagnetic vector sensor (EMVS) system, having a plurality of EMVS devices consisting of a plurality of loop antenna elements spatiatally orthogonally integrated with and electrically isolated from a plurality of dipole antenna elements, mounted on a rotatably adjustable platform having a true north orientation, including active circuitry residing in antenna housings, and external executing software programs causing the active circuitry in cooperation with the EMVS device and receivers to determine angle of arrival and resolution of incoming wave vectors and polarization of incoming signals and to perform accurate high frequency geolocation signal processing; the programs which perform calibration and antenna element placement determination operations, also cause the system to collect data of known transmitted high frequency skywave signals, and estimate direction of arrival of unknown signals by detecting, resolving and measuring components of an electric field and a magnetic field at a single point. | 09-18-2014 |
342363000 | Circular | 1 |
20140104106 | MULTI-BEAM ACTIVE PHASED ARRAY ARCHITECTURE - In an exemplary embodiment, a phased array antenna comprises multiple subcircuits in communication with multiple radiating elements. The radio frequency signals are adjusted for both polarization control and beam steering. In a receive embodiment, multiple RF signals are received and combined into at least one receive beam output. In a transmit embodiment, at least one transmit beam input is divided and transmitted through multiple radiating elements. In an exemplary embodiment, the phased array antenna provides multi-beam formation over multiple operating frequency bands. The wideband nature of the active components allows for operation over multiple frequency bands simultaneously. Furthermore, the antenna polarization may be static or dynamically controlled at the subarray or radiating element level. | 04-17-2014 |
342365000 | Circular | 8 |
20100295728 | ARRAY ANTENNA - The present invention discloses an array antenna, which comprises a first antenna, a second antenna, a phase shift unit and an impedance unit. The first antenna is arranged for receiving a satellite signal and has a first radiation field plane. The second antenna is arranged for receiving the satellite signal and has a second radiation field plane. The phase shift unit is connected to the first antenna and the second antenna, and the phase shift unit is provided for generating an orthogonal state of phase difference between the first antenna and the second antenna. The impedance unit is connected to the phase shift unit for matching the first antenna, the second antenna and the phase shift unit. | 11-25-2010 |
20110122024 | DEVICE AND METHOD FOR DETERMINING THE DISTANCE AND/OR ORIENTATION OF A MOVEABLE OBJECT - A device and method for determining a distance and/or orientation of a movable object includes a transmitter that is located on the object and a receiver. One of the transmitter and the receiver has an antenna having a known polarization plane. The other of the transmitter and the receiver has a counterclockwise circular polarized antenna and a clockwise circular polarized antenna. | 05-26-2011 |
20120032847 | INTEGRATED RECONFIGURABLE SOLAR PANEL ANTENNA - A system for dynamically reconfiguring the radiation pattern of a collection of slot antennas. A collection of slot antennas of various lengths and widths are fabricated. The control system independently drives the feed to one or more slot antennas to produce the desired radiation pattern. The control system activates and deactivates the feed to different slot antennas, thus dynamically reconfiguring the generated radiation pattern. | 02-09-2012 |
20130088391 | 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 polarization control and beam steering. In a receive embodiment, multiple RF signals of various polarizations are received and combined into at least one receive beam output. In a transmit embodiment, at least one transmit beam input is divided and transmitted through multiple radiating elements, with the transmitted beams having various polarizations. In an exemplary embodiment, the phased array antenna provides multi-beam formation over multiple operating frequency bands. The wideband nature of the active components allows for operation over multiple frequency bands simultaneously. | 04-11-2013 |
20140253379 | Mode Generator Device for a Satellite Antenna System and Method for Producing the Same - The present invention is related to a device for generating waveguide modes for use in a feed horn of a satellite antenna system, said waveguide modes comprising at least one excitation mode of higher order than the fundamental mode, said device comprising a waveguide containing a first waveguide section with at least three longitudinal slots extending in the inner side of said waveguide, characterised in that said waveguide contains a second waveguide section with at least three longitudinal slots extending in said inner side of said waveguide. | 09-11-2014 |
20150009068 | Two-Dimensionally Electronically-Steerable Artificial Impedance Surface Antenna - A method and apparatus for electronically steering an antenna system. The apparatus comprises a dielectric substrate, a plurality of radiating spokes, and a number of surface wave feeds. The plurality of radiating spokes is arranged radially with respect to a center point of the dielectric substrate. Each radiating spoke in the plurality of radiating spokes forms a surface wave channel configured to constrain a path of a surface wave. Each of the number of surface wave feeds couples at least one corresponding radiating spoke in the plurality of radiating spokes to a transmission line that carries a radio frequency signal. | 01-08-2015 |
20150070215 | POLY SPIRAL ANTENNA AND APPLICATIONS THEREOF - A poly spiral antenna includes spiral antenna sections and interconnecting traces. A first spiral antenna section has a first interwoven spiral pattern and a first excitation configuration to provide a first radiation pattern component. A second spiral antenna section has a second interwoven spiral pattern and a second excitation configuration to provide a second radiation pattern component. A third spiral antenna section has a third interwoven spiral pattern and a third excitation configuration to provide a third radiation pattern component. The interconnecting traces couple the first, second, and third spiral antenna sections together such that the first, second, and third radiation pattern components form a radiation pattern of the poly spiral antenna. | 03-12-2015 |
20150077289 | WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD - According to one embodiment, a wireless communication device includes a first antenna. The wireless communication device includes a second antenna which performs at least one of transmission and reception of an electromagnetic wave to and from the first antenna while rotating at a predetermined position or revolving along a predetermined orbit. The first antenna is arranged such that an element of the first antenna is not to be parallel to a plane perpendicular to a polarization plane of the electromagnetic wave which is transmitted from one antenna toward the other antenna while the second antenna rotates or revolves. | 03-19-2015 |