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| Number | Title | Issue Date |
| 8149177 | Slotted waveguide antenna stiffened structure A slotted waveguide antenna stiffened structure for an aircraft having an aircraft skin. The slotted waveguide antenna stiffening structure including a structural stiffening element reinforcing the aircraft skin; the structural element connected to a radio frequency... | 04/03/2012 |
| 8040286 | High frequency module A high-frequency module has an antenna configured by integrally connecting a slot plate laid out with radiation slots to a plate having plural thin plates formed with a waveguide for supplying power to the slot plate, using a diffusion bonding. The waveguide of the ... | 10/18/2011 |
| 7889146 | Microwave demulsification of hydrocarbon emulsion Recovery of hydrocarbons, such as petroleum products, from a liquid or solid substrate is facilitated by the use of microwave energy to energize and separate molecular bonds between the hydrocarbons and the substrate. A radio frequency (RF) applicator delivers micro... | 02/15/2011 |
| 7808439 | Substrate integrated waveguide antenna array A substrate integrated waveguide (SIW) slot full-array antenna fabricated employing printed circuit board technology. The SIW slot full-array antenna using either single or multi-layer structures greatly reduces the overall height and physical steering requirements ... | 10/05/2010 |
| 7589689 | Antenna designs for multi-path environments Antenna designs for data transmission improve signal fidelity in multi-path environments. ... | 09/15/2009 |
| 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 a front wall and a back wall opposite the front wall, the front wall... | 08/18/2009 |
| 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 integrated into the cladding. ... | 04/28/2009 |
| 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 reflector panel by a microwave having a variable frequency f. The deviation... | 02/24/2009 |
| 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) a coupling interface between the antenna and waveguide. The microstr... | 10/14/2008 |
| 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 formed in each or the waveguides of the antenna. Each waveguide slot p... | 10/14/2008 |
| 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 configuration. An open parallel plate region is defined between adjacent ones o... | 10/07/2008 |
| 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 inflatable body having an inner surface connected to an outer surface... | 09/16/2008 |
| 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 comprises a multilayer stack to form transmit/receive (T/R) modules. Wavegu... | 08/12/2008 |
| 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, with a slotline that comprises a first part and a second part. The side ... | 07/22/2008 |
| 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 be installed on top of (or embedded into) the roof of a vehicle. The ... | 06/24/2008 |
| 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 described. The waveguide slot antenna element includes a non-radiating side ... | 05/27/2008 |
| 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 well-isolated orthogonal feeds. ... | 04/22/2008 |
| 7358916 | Polarization diversity antenna system A polarization diversity antenna system includes antenna elements having first to fourth slotlines bent at right angles so that the second slotline is provided adjacent to the first slotline, the third slotline is diagonally opposite to the first slotline and provid... | 04/15/2008 |
| 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 electromagnetically by way of coupling slots to a feed waveguide. The fe... | 04/15/2008 |
| 7354311 | Housing-shaped shielding plate for the shielding of an electrical component A housing-shaped shielding plate for shielding of an electrical component, in particular a radio-frequency, optoelectronic transceiver, is described. The housing-shaped shielding plate has a shielding plate body with a first region which lies inside a metallic struc... | 04/08/2008 |
| 7355555 | Antenna An antenna array may be constructed using a plurality of tubes of electrically conducted material in conjunction with an additionally electrically conductive component which covers the front faces of tubes and at least part of the sides. Between the structures, a fu... | 04/08/2008 |
| 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 slotted opening width. The slotted opening length is at least twice as l... | 03/11/2008 |
| 7342500 | Compact microstrip transponder antenna A transponder formed on a circuit substrate having a longitudinal axis and a transverse axis. An antenna is disposed on one side of a transverse axis, extending in a longitudinal direction, and the remaining circuit components are disposed on the other side of the t... | 03/11/2008 |
| 7339520 | Phased array terminal for equatorial satellite constellations A low cost and low profile antenna for commercial use, either in a fixed or mobile condition is disclosed. The antenna has a generally flat circular plate that rotates to seam the azimuth direction. A plurality of radiation elements are positioned on the surface of ... | 03/04/2008 |
| 7333055 | System and method for microwave imaging using an interleaved pattern in a programmable reflector array An antenna array for use within a microwave imaging system includes a plurality of reflecting antenna elements, each capable of being programmed with respective phase-shifts in a first pattern to direct a first beam of microwave radiation towards a first target, and... | 02/19/2008 |
| 7315288 | Antenna arrays using long slot apertures and balanced feeds An antenna array includes an array of continuous slots formed in a ground plane structure. A feed structure for exciting the slots includes a periodic set of probe feeds disposed behind the ground plane structure. ... | 01/01/2008 |
| 7305935 | Slotted antenna waveguide plasma source A high density plasma generated by microwave injection using a windowless electrodeless rectangular slotted antenna waveguide plasma source has been demonstrated. Plasma probe measurements indicate that the source could be applicable for low power ion thruster appli... | 12/11/2007 |
| 7301424 | Flexible waveguide cable with a dielectric core According to some embodiments, a waveguide cable includes a dielectric core and a conducting layer surrounding the dielectric core. A first antenna may be provided at a first end of the waveguide cable to receive a digital signal and to propagate an electromagnetic ... | 11/27/2007 |
| 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 loss bandwidth of the antenna. The antenna also includes a transmissio... | 11/06/2007 |
| 7292059 | Power supply assembly for a semiconductor circuit tester A power supply assembly includes a dielectric substrate and a power supply circuit supported by the dielectric substrate. A conductive connection block is attached to the dielectric substrate at a main surface thereof and is connected to a power supply terminal of t... | 11/06/2007 |
| 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 slots to the radiating waveguides. The variation of the pointing direc... | 10/30/2007 |
| 7286093 | Frequency dispersive antenna applied in particular to a meteorological radar The invention relates to a frequency dispersive antenna comprising radiating waveguides divided into three legs. The indirect angle between the first and second leg is greater than or equal to 90 degrees and less than 180 degrees, the direct angle between the second... | 10/23/2007 |
| 7283102 | Radial constrained lens The invention provides apparatuses for a radial constrained lens in a steerable directional antenna system. The radial constrained lens includes a feed array that excites a continuous radiating aperture through a section of radial waveguide. Feed elements of the fee... | 10/16/2007 |
| 7280848 | Active array antenna and system for beamforming An active antenna array for use in a beamforming antenna system. The antenna array includes multicarrier power amplifiers coupled to each antenna element wherein the outputs of the multicarrier power amplifiers are linearized. The antenna array communicates with a b... | 10/09/2007 |
| 7256750 | E-plane omni-directional antenna E-plane omni-directional antenna is described. In an embodiment, a transmission signal connection system includes a center conductive rod to communicate a radio frequency transmission signal, and includes one or more outer conductive rods that each provide a grounde... | 08/14/2007 |
| 7250905 | Virtual antenna technology (VAT) and applications Within an antenna array 120, the magnitude and phase of a relationship resulting from propagation delay between a sample taken at a first antenna 1 to a sample taken at a second antenna 2 at a different time is employed to derive a data value fo... | 07/31/2007 |
| 7245939 | Reducing the effect of signal interference in null areas caused by overlapping antenna patterns A wireless communication system for transmitting and receiving wireless communications using at least one beam is disclosed. The system comprises a plurality of WTRUs, at least one beam-forming antenna, and at least one radio network controller (RNC). The antenna is... | 07/17/2007 |
| 7233297 | Steerable radial line slot antenna A steerable antenna comprising an array of T-shaped slots. The location of the slots is moved to define an array of ring- or spiral-patterned phase constant regions. Distortions or contractions of the pattern occur by repositioning some or all of the slots forming t... | 06/19/2007 |
| 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 be installed on top of (or embedded into) the roof of a vehicle. The ... | 06/05/2007 |
| 7224319 | Multiple-element beam steering antenna An antenna for receiving and/or transmitting circularly and linearly polarized RF signals includes a circularly polarized radiation element and a linearly polarized radiation element. The radiation elements are disposed co-planar and spaced apart from each other on ... | 05/29/2007 |
