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| Number | Title | Issue Date |
| 8184056 | 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... | 05/22/2012 |
| 8179331 | Free-space phase shifter having series coupled inductive-variable capacitance devices A method of changing phase of a microwave electromagnetic beam in free space is provided wherein a cascade of device layers is located transverse to a path of the microwave beam. Each of the device layers have one or more columns. Each column has a device combinatio... | 05/15/2012 |
| 8134511 | Low profile quasi-optic phased array antenna A phased array antenna device is described. The phased array antenna device includes at least one one-dimensional phased array of radiating elements arranged along an array direction, a lens, and a phase control element. The lens is arranged such that divergent beam... | 03/13/2012 |
| 8134510 | Coherent near-field array A coherent near-field array. The array consists of a number of high-gain elements, each of which directs its beam at the desired target area (either mechanically or electronically). Each element is coherently fed, so that the phase relationships between different fe... | 03/13/2012 |
| 8085209 | Sub-array polarization control using rotated dual polarized radiating elements A system and method of minimizing a polarization quantization error associated with an antenna sub-array. The antenna sub-array includes at least two radiating elements, with the radiating elements having different polarization orientations from other radiating elem... | 12/27/2011 |
| 8018390 | Cellular antenna and systems and methods therefor A cellular communications antenna including sensors for determining position and/or orientation of the antenna. Position information may be obtained using, for example, a GPS receiver or by triangulation. Orientation information may be obtained using, for example, a... | 09/13/2011 |
| 8009114 | Flexible transmit/receive antenna pair using a switchable 0°/180° phase shifter A switchable 0°/180° phase shifter on a balanced transmission line is provided. In one embodiment, the invention relates to an apparatus for providing 0°/180° phase shifting for a transmit/receive antenna pair including a transmit element and a receive element c... | 08/30/2011 |
| 7994996 | Multi-beam antenna A plurality of antenna elements on a dielectric substrate are adapted to launch or receive electromagnetic waves in or from a direction substantially away from either a convex or concave edge of the dielectric substrate, wherein at least two of the antenna elements ... | 08/09/2011 |
| 7990327 | Cellular reflectarray antenna and method of making same A method of manufacturing a cellular reflectarray antenna arranged in an m by n matrix of radiating elements for communication with a satellite includes steps of determining a delay φm,n for each of said m by n matrix of elements of said cellular reflectarray anten... | 08/02/2011 |
| 7868839 | Planar scanner antenna for high frequency scanning and radar environments A planar scanning antenna is configured for scanning and tracking. In one embodiment, the planar scanning antenna may include a transducer module configured to provide an electromagnetic beam. According to another aspect of the invention, the apparatus may include a... | 01/11/2011 |
| 7855690 | Array antenna with enhanced scanning The invention provides an improved array antenna, an array antenna system and an improved method for utilizing the improved array antenna and array antenna system. This is accomplished by an array antenna comprising a region of reference potential, e.g. a ground pla... | 12/21/2010 |
| 7812775 | Mm-wave fully integrated phased array receiver and transmitter with on-chip antennas A phased array mm-wave device includes a substrate, a mm-wave transmitter integrated onto the substrate configured to transmit a mm-wave signal and/or a mm-wave receiver integrated onto the substrate and configured to receive a mm-wave signal. The mm-wave device als... | 10/12/2010 |
| 7800549 | Multi-beam antenna A plurality of antenna elements on a dielectric substrate are adapted to launch or receive electromagnetic waves in or from a direction substantially away from either a convex or concave edge of the dielectric substrate, wherein at least two of the antenna elements ... | 09/21/2010 |
| 7791552 | Cellular reflectarray antenna and method of making same A method of manufacturing a cellular reflectarray antenna arranged in an m by n matrix of radiating elements for communication with a satellite includes steps of determining a delay φm,n for each of said m by n matrix of elements of said cellular reflectarray anten... | 09/07/2010 |
| 7724197 | Waveguide beam forming lens with per-port power dividers A parallel plate beam forming lens is formed form at least three parallel plates, and includes a plurality of beam port waveguides, each coupled to a beam port divider with a step increase in waveguide height. The beam port divider comprises a first divider having t... | 05/25/2010 |
| 7719477 | Free-space phase shifter having one or more columns of phase shift devices A method of changing phase of a microwave electromagnetic beam in free space is provided wherein a cascade of device layers is located transverse to a path of the microwave beam. Each of the device layers have one or more columns. Each column has a device combinatio... | 05/18/2010 |
| 7710336 | Metamaterial having the capability of broadband left-hand guidance of electromagnetic waves A metamaterial having a negative refractive index is presented, which has a dielectric carrier material (12; 48), first electrically conductive sections (14.1, 14.2, 14.3, 14.4) and second electrically conductive sections (16.1, 16.2). The metam... | 05/04/2010 |
| 7683844 | Mm-wave scanning antenna In general, in one aspect, the disclosure describes a semiconductor antenna having a plurality of antenna elements and a switching network formed in the same semiconductor die. The switching network is to control activation of the antenna elements. ... | 03/23/2010 |
| 7642978 | Method and apparatus for steering and stabilizing radio frequency beams utilizing photonic crystal structures An RF beam steering device employs a prism assembly to steer an RF beam and a compensation device to address undesirable movement of the beam steering device. The prism assembly includes a plurality of dielectric prisms each with an associated impedance matching lay... | 01/05/2010 |
| 7626556 | Planar beamformer structure An array antenna has antenna subarray elements connected to antenna ports of an array of planar beamformer boards. The beamforming elements are mounted in integrated circuits which bridge the junctions between adjacent circuit boards. ... | 12/01/2009 |
| 7605768 | Multi-beam antenna A plurality of antenna end-fire antenna feed elements at a corresponding plurality of locations and oriented in a corresponding plurality of directions on a third dielectric substrate cooperate with a discrete lens array comprising a plurality of electromagnetic len... | 10/20/2009 |
| 7576701 | Rotating screen dual reflector antenna A system for steering a beam includes a main reflector that receives a signal from a subreflector and reflects the signal in a reflection direction. A prism refracts the signal in a refraction direction. One or more motors adjust a relative orientation between the m... | 08/18/2009 |
| 7548212 | Cylindrical electronically scanned antenna The present invention relates to a cylindrical electronically scanned antenna. The antenna has: a set of radiating guides (2) arranged in cylinder form for, producing the antenna beam (8); An array (3) of 3 dB couplers is arranged ... | 06/16/2009 |
| 7538735 | Active transmit array with multiple parallel receive/transmit paths per element An antenna including an array of N-port receive antennas; an array of M-port transmit antennas; and a plurality of cells for coupling the receive antennas to the transmit antennas, each cell having plural amplifiers coupled between the receive antenna and the transm... | 05/26/2009 |
| 7443573 | Spatially-fed high-power amplifier with shaped reflectors A spatially-fed high-power amplifier comprises one or more shaped reflectors to reflect an initial wavefront, and an active array amplifier to amplify the reflected wavefront to generate a high-power planar wavefront. The shaped reflectors provide the reflected wave... | 10/28/2008 |
| 7439913 | Microstrip reflectarray antenna A microstrip reflectarray antenna with a low cross polarization level is disclosed. The microstrip reflectarray antenna of the present invention comprises: a ground plate; a reflecting plate with an upper surface, and a plurality of microstrip antenna units locating... | 10/21/2008 |
| 7425928 | Method and apparatus for frequency selective beam forming A directive antenna having plural antenna elements is arranged in a parasitic antenna array. Frequency selective components are connected to an active antenna element. Weighting structures are connected to passive antenna elements positioned substantially equidistan... | 09/16/2008 |
| 7423601 | Reflect array antennas having monolithic sub-arrays with improved DC bias current paths Embodiments of active array antennas are generally described herein. Other embodiments may be described and claimed. In some embodiments, a reflect array antenna includes an array of rectangular monolithic sub-array modules arranged in a non-uniform pattern to leave... | 09/09/2008 |
| 7420525 | Multi-beam antenna with shared dielectric lens An integrated multi-beam antenna with a shared dielectric lens is disclosed. The antenna is formed by positioning the feed apertures of a plurality of waveguide feeds at positions located on the surface of the shared dielectric lens. The angular direction and shape ... | 09/02/2008 |
| 7415244 | Multi-channel millimeter wave imaging system A broad-band millimeter wave imaging system with improved thermal resolution as compared to prior art devices. The system is useful for producing images of metal and non-metal objects such as guns, knives and explosives hidden under clothing. A cylindrical antenna f... | 08/19/2008 |
| 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 |
| 7391382 | Transmit/receive module and method of forming same According to an embodiment of the present invention, a transmit/receive module for a phased array radar includes a substrate, a ground plane formed outwardly from the substrate, and one or more dielectric layers formed outwardly from the ground plane. The one or mor... | 06/24/2008 |
| 7388557 | Antenna which is made from a photonic band gap (PBG) material and which comprises a lateral wall surrounding an axis A antenna made from a photonic band-gap (PBG) material, includes: a lateral wall (4) which is made from a PBG material and which completely surrounds a central axis (6), the wall being disposed at a distance from the central axis such as to form a cent... | 06/17/2008 |
| 7388551 | Antenna system In some embodiments, the multiple antennas are cooperated in the system to provide simultaneous communication with multiple remote sites. Embodiments comprises a first variable inclined continuous transverse stub (VICTS) antenna that comprises a perimeter and an ina... | 06/17/2008 |
| 7378914 | Solid-state high-power oscillators Embodiments of High-Power Millimeter-Wave Oscillators are generally described herein. Other embodiments may be described and claimed. In some embodiments, the oscillator includes a polarized partial reflector to at least partially reflect back signals to a reflectio... | 05/27/2008 |
| 7372402 | Method for enhancing the measuring accuracy in an antenna array The invention refers to a method and a system for enhancing the measuring accuracy in an antenna array (1), where the method comprises the steps of; a) receiving analog signals on all antenna elements (2) at a first time t1; producing first ... | 05/13/2008 |
| 7365699 | Independently center fed dipole array A dipole array is provided for use as an Ultra Short Pulse (USP) transmitter or receiver in UWB communications systems, which reduces the output pulse dispersion. Instead of having all the dipole elements serially fed by a transmission line, the feeding in the array... | 04/29/2008 |
| 7358913 | Multi-beam antenna A plurality of antenna end-fire antenna feed elements disposed along a contour on a dielectric substrate cooperate with a discrete lens array. An electromagnetic wave launched by an antenna feed element is received by a first set of patch antennas on a first side of... | 04/15/2008 |
| 7358833 | Method and apparatus for signal processing using electrowetting An apparatus comprising a tuning device having at least one control electrode and a ground electrode located over a substrate and an electrically conductive fluid in contact with the control and ground electrodes. The tuning device also has at least one electrical t... | 04/15/2008 |
| 7358834 | Transmission line voltage controlled nonlinear signal processors Waveguide nonlinear signal processors include transmission lines defined on a substrate. A plurality of varactors or pairs of varactors are situated along the transmission line and are in communication with a signal conductor of the transmission line and one or more... | 04/15/2008 |
