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| Number | Title | Issue Date |
| 7219853 | Systems and methods for tracking targets with aimpoint offset A target identification and tracking system includes a carrier vehicle and one or more tracking vehicles. The carrier vehicle may determine an aimpoint of a target from a high resolution image of the target and may generate an offset from a tracking point to the aim... | 05/22/2007 |
| 7209080 | Multiple-port patch antenna A system and method for combining and radiating electromagnetic energy. The invention includes a novel antenna comprising a first dielectric substrate having opposite first and second surfaces, a patch of conducting material disposed on the first surface, a ground p... | 04/24/2007 |
| 7201217 | Cold plate assembly A cold plate assembly, which in one embodiment includes a manifold layer comprising one or more input coolant sub-manifold channels and one or more output coolant sub-manifold channels. A metering plate having a plurality of orifices defined there through is dispose... | 04/10/2007 |
| 7193772 | Conductively cooled liquid thermal nonlinearity cell for phase conjugation and method A thermal nonlinear cell and method. The cell includes a substantially planar nonlinear medium and a mechanism for removing thermal energy from the medium in a direction substantially orthogonal to said medium. In one embodiment, the mechanism for removing thermal e... | 03/20/2007 |
| 7185847 | Winged vehicle with variable-sweep cantilevered wing mounted on a translating wing-support body A winged vehicle includes an elongated fuselage, and a wing mechanism affixed to the fuselage. The wing mechanism has a wing-support-body track affixed to and extending lengthwise along the fuselage, a translating wing-support body engaged to and translatable along ... | 03/06/2007 |
| 7187735 | Mixed technology MEMS/SiGe BiCMOS digitalized analog front end with direct RF sampling A digitizing analog front end (DAFE) using mixed technology on a single substrate is described. SiGe BiCMOS technology is implemented for the semiconductor components, which include a low noise amplifier and an analog-to-digital converter. Micro Electro Mechanical S... | 03/06/2007 |
| 7183965 | Efficient stripmap SAR processing for the implementation of autofocus and missing pulse restoration A moving radar generates a search mode synthetic aperture image of a patch from a sequence of periodic pulse returns having one or more missing pulses. An azimuth and range interpolation generates an interpolated sequence having samples oriented in range and azimuth... | 02/27/2007 |
| 7178345 | Stacked-plate gas-expansion cooler assembly, fabrication method, and use A gas-expansion cooler assembly has an expansion structure with an expansion orifice and an expansion reservoir in fluid-flow communication with an expansion-orifice outlet. A heat exchanger has a heat-exchanger inlet, and a heat-exchanger outlet in fluid-flow commu... | 02/20/2007 |
| 7165465 | Dynamic load fixture for application of torsion loads for rotary mechanical systems A dynamic load fixture (DLF) applies a torsion load to a unit under test (UUT) to achieve the demanding aerodynamic load exposures encountered by a control actuation system (CAS) in flight. Instead of fixing the end of the torsion bar, the DLF controls the applicati... | 01/23/2007 |
| 7163176 | 2-D projectile trajectory correction system and method A 2-D correction system uses intermittent deployment of aerodynamic surfaces to control a spin or fin stabilized projectile in flight; correcting both crossrange and downrange impact errors. Intermittent surface deployment develops rotational moments, which create b... | 01/16/2007 |
| 7158062 | Clocked DAC current switch A switch having a first arrangement for providing a first set of first and second complementary intermediate signals; a second arrangement for providing a second set of third and fourth complementary intermediate signals; a third arrangement responsive to the first ... | 01/02/2007 |
| 7154369 | Passive thermal switch A thermal switch selectively couples a heat source to a pair of heat sinks. The thermal switch includes a shunt that is thermally coupled to the heat source. The shunt has a pair of posts. End portions of the posts are at least partially radially surrounded by respe... | 12/26/2006 |
| 7151478 | Pseudo-orthogonal waveforms radar system, quadratic polyphase waveforms radar, and methods for locating targets In some pseudo-orthogonal waveform embodiments, a radar system transmits pseudo-orthogonal waveforms and performs multiple correlations on a combined single receiver channel signal. In some quadratic polyphase waveform embodiments, a radar system may simultaneously ... | 12/19/2006 |
| 7151494 | Reflective and transmissive mode monolithic millimeter wave array system and oscillator using same An oscillator. In the illustrative embodiment, the oscillator includes an ortho-mode feed; a reflective amplifier array adapted to be illuminated by the feed with an input wavefront with a first polarization and to return thereto an amplified wavefront with a second... | 12/19/2006 |
| 7148839 | Operational bistatic radar system synchronization A bistatic radar has a radar transmitter at a first location on a moving platform having a motion and a radar receiver at a second location, remote from the first location. The transmitter illuminates a target along an indirect path with an encoded radar signal. The... | 12/12/2006 |
| 7145496 | Autofocus method based on successive parameter adjustments for contrast optimization A radar on a moving platform generates an initial synthetic aperture (SAR) image of a scene from a sequence of periodic pulse returns approximately motion compensated. The SAR image is formed from pixel intensities zn(x,y) within a x,y extent of the initi... | 12/05/2006 |
| 7145497 | Robust detection technique of fixed and moving ground targets using a common waveform Detection of moving targets in SAR images is improved by a radar on a moving platform for generating a focused synthetic aperture image of a scene The scene contains a target described by pixels within the SAR image. The radar has a monopulse antenna having a sum ch... | 12/05/2006 |
| 7145498 | Efficient autofocus method for swath SAR A moving radar generates a search mode synthetic aperture image of a patch from periodic pulse returns reflected from the patch. The patch is imaged from radar returns derived from two or more overlapping arrays. A strong scatterer is located within each array, then... | 12/05/2006 |
| 7145504 | Arbitrary radar target synthesizer (arts) A system for generating a simulated radar return signal. The novel system includes a processor adapted to receive target and waveform parameters and in accordance therewith generate a composite digital signal, and a digital to analog converter adapted to convert the... | 12/05/2006 |
| 7145734 | Windowed optical system having a tilted optical element to correct aberrations A system includes a dome window and an optical system having a central optical path that passes through the dome window. The optical system includes a refractive optical element having an axis of symmetry which passes through the optical element and which is tilted ... | 12/05/2006 |
| 7143661 | Leadscrew mechanical drive with differential leadscrew follower structure and brake A leadscrew mechanical drive includes a leadscrew having a leadscrew axis and a leadscrew thread with a nonzero leadscrew thread pitch. A leadscrew follower structure is engaged to the leadscrew. The leadscrew follower structure includes a first leadscrew follower a... | 12/05/2006 |
| 7145418 | Bandpass filter An edge-coupled filter includes a phase velocity compensation transmission line section comprising a series of spaced alternating T-shaped conductor portions. ... | 12/05/2006 |
| 7142149 | Mensuration for the conformal range migration algorithm A radar system is mounted on a moving platform moving along a great circle. The radar comprises a radar receiver for digitizing radar returns having a phase from a scatterer (target) in a scene. A computer focuses the phase of the radar returns from the scatterer in... | 11/28/2006 |
| 7142153 | Short pulse/stepped frequency radar system A unique hardware architecture that combines short pulse, stepped frequency and centerline processing. The inventive architecture implements a radar system having a transmitter for transmitting short pulses, each pulse being stepped in frequency and a receiver recei... | 11/28/2006 |
| 7141940 | Method and control circuitry for providing average current mode control in a power converter and an active power filter Control circuitry uses modified average current mode control to regulate average current through an inductor of a power converter. Control circuitry uses modified average current mode control to regulate average current through an inductor of an active power filter.... | 11/28/2006 |
| 7139545 | Ultra-wideband fully synthesized high-resolution receiver and method An ultra-wideband receiver system includes an intelligent-preselector stage to up-convert received signals to signals within a first IF frequency-range with stepped first oscillation signals, a first down-converting stage to down-convert the signals within the first... | 11/21/2006 |
| 7138937 | Radar system having low-profile circulator A circulator comprises first and second couplers. The first and second couplers are coupled by first and second transmission lines. First and second magnetic fields are provided crossing the first and second transmission lines, respectively. In an exemplary embodime... | 11/21/2006 |
| 7132723 | Micro electro-mechanical system device with piezoelectric thin film actuator A radio frequency (RF) micro electro-mechanical system (MEMS) device and method of making same are provided, the device including an RF circuit substrate and an RF conducting path disposed on the RF circuit substrate, a piezoelectric thin film actuator, and a conduc... | 11/07/2006 |
| 7132655 | Passive millimeter wave sensor using high temperature superconducting leads A radiation sensor (20) has a substrate (34); an antenna (24) coupled to the substrate (34), a thermal detector unit TDU (22) spaced from the antenna (24) and the substrate (34); and a multi-layered conductive lead ( | 11/07/2006 |
| 7133427 | Phase conjugate laser and method with improved fidelity A spatial filter adapted to increase the angular spread of non-conjugated energy in a beam and suppress this energy to improve the efficiency of a phase conjugate system. In the illustrative embodiment, the filter includes first and second lenses and an aberrator to... | 11/07/2006 |
| 7133219 | Telescopic sighting device with variable exit pupil A sighting device includes a fixed-position objective lens group lying on an optical axis, an eyepiece lens group lying on the optical axis, and a variable-position objective lens group lying on the optical axis and positioned between the fixed-position objective le... | 11/07/2006 |
| 7130062 | Rapid-response electron-beam deposition system having a controller utilizing leading and trailing deposition indicators An electron-beam deposition system includes an evaporation source having a source target with a target location at which a deposition material may be positioned, and a controllable electron-beam source disposed to direct an electron beam at the target location. A tr... | 10/31/2006 |
| 7129489 | Method and apparatus providing single bump, multi-color pixel architecture An infrared detector has a multi-layer structure to simultaneously detect IR energy in different spectral bands without changing polarity of a bias imposed across the detector. Two absorption layers are separated by a barrier layer that imposes an electrical potenti... | 10/31/2006 |
| 7126530 | Non-coherent high-power directed-energy system and method A directed-energy system includes a plurality of non-coherent microwave sources and a plurality of antennas. Each antenna may be coupled to a corresponding one or more of the sources to radiate energy from the sources and cumulatively generate high-energy pulses bas... | 10/24/2006 |
| 7124531 | Method and apparatus for safe operation of an electronic firearm sight A weapon sight can be mounted on a weapon. According to one aspect of the invention, the sight only presents certain information on a display if the orientation of the sight satisfies an orientation criteria. ... | 10/24/2006 |
| 7126524 | Motion compensation for convolutional SAR algorithms A synthetic aperture image of a scene is acquired using a radar system. The scene has one or more radar scatterers located on a horizontal flat {circumflex over (x)},ŷ plane. The radar system is mounted on a moving platform moving at an angle θtilt with... | 10/24/2006 |
| 7121502 | Pseudo GPS aided multiple projectile bistatic guidance A guidance system for guiding each of several projectiles toward a moving target has a platform having a radar system for illuminating the target with a radar signal. Each projectile has a receiver for receiving the radar signal reflected from the target, a transpon... | 10/17/2006 |
| 7121036 | Method and apparatus for safe operation of an electronic firearm sight depending upon the detection of a selected color A weapon sight can be mounted on a weapon. According to still another aspect of the invention, the sight takes a selected action if it detects the presence of a selected color within radiation originating externally of the sight. ... | 10/17/2006 |
| 7116265 | Recognition algorithm for the unknown target rejection based on shape statistics obtained from orthogonal distance function A method for classification of a target object having a periphery comprises the steps of: selecting a plurality of random first chords D1 across the periphery of the target object; measuring each of the first chords D1 | 10/03/2006 |
| 7116260 | Mismatch shaped analog to digital converter A mismatch shaped analog to digital converter. The novel analog to digital converter includes a first circuit for providing a plurality of reference voltages, a plurality of comparators adapted to compare an input signal with the reference voltages, and a second cir... | 10/03/2006 |
