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| Number | Title | Issue Date |
| 7437246 | Method of determining a collision avoidance maneuver A method of determining a collision avoidance maneuver includes obtaining initial state data including initial state data for a first object and a second object. A plurality of preliminary maneuvers satisfying a first set of constraints are generated using the initi... | 10/14/2008 |
| 7317807 | Apparatus for communication coupling with a hearing aid An improved communication coupling device having a coupler coil with about 125 turns of wire about a core having a hole for use with a hearing aid having a hearing aid coil to accommodate individuals with various degrees of hearing loss to use a sound generation dev... | 01/08/2008 |
| 7298558 | Electronic adjustable color filter device An electronically adjustable, combinational color filter device is provided for generating color light. Incoming light is split in a polarizing beam splitter/combiner into a first and a second element of light. One or more wave plates operate to modify the polarizat... | 11/20/2007 |
| 7268849 | Spatial light modulator employing voltage gradient pixels, and associated methods A spatial light modulator has a transmissive window with a transparent conductive film forming a ground plane and a direct drive backplane with a plurality of voltage gradient pixels. Each of the voltage gradient pixels has (a) resistive film, (b) resistive metal co... | 09/11/2007 |
| 7252263 | Design methods and configurations for supersonic aircraft Methods for configuring aircraft that may be implemented to integrate aircraft sonic boom constraint requirements with the design process for a supersonic aircraft, for example, to reconcile a target sonic boom constraint with the internal layout and balance of the ... | 08/07/2007 |
| 6836201 | Electrically driven bistable mechanical actuator A mechanical actuator includes an annular electromagnet and a ferromagnetic plunger disposed within a bore of the electromagnet and slidable therein. A first permanent magnet is positioned outside of the bore and in facing relation to a first end face of the plunger... | 12/28/2004 |
| 6809307 | System and method for effecting high-power beam control with adaptive optics in low power beam path A beam control system and method which utilizes the wavefront reversal property of nonlinear optical phase conjugation to permit incorporation of a liquid crystal OPA within the low power legs of the beam control system, thereby affording the advantages of the OPA w... | 10/26/2004 |
| 6795054 | Optical filter measurement system An optical component measurement system including a holding fixture adapted to hold a plurality of optical components in an array; and an optical detector movably connected to the holding fixture. The detector is movable between a front side of the holding fixture a... | 09/21/2004 |
| 6792383 | Passive ranging system and method A system and method for ascertaining the range of a noise-jamming target. The system includes a receiver; a data processor coupled to the receiver; and software adapted for execution by the data processor for computing rage to a target transmitter using first and se... | 09/14/2004 |
| 6768442 | Advanced digital antenna module An Advanced Digital Antenna Module (ADAM) for receiving and exciting electromagnetic signals. The ADAM ASIC integrates a complete receiver/exciter function on a monolithic SiGe device, enabling direct digital-to-RF (Radio Frequency) and RF-to-digital transformations... | 07/27/2004 |
| 6765663 | Efficient multiple emitter boresight reference source An efficient multi-emitter boresight reference source (12). The efficient reference source (12) includes a first mechanism (182) for transmitting a first portion of electromagnetic energy (184) within a first waveband. A second mechanism ... | 07/20/2004 |
| 6765535 | Monolithic millimeter wave reflect array system A monolithic semiconductor power device. The device is designed to produce high energy density and high power level RF/Millimeter wave radiation using the quasi-optical spatial power of an array (100) of small amplifiers (200) on a solid state wafer ( | 07/20/2004 |
| 6762795 | Bi-directional capable bucket brigade circuit A time delay integration circuit in which a number of unit cell inputs (101, 103, 105, 107) along with their respective switches (170, 171, 172, 173) are input to a bi-directional BBD circuit (110). The BBD circuit performs an SCA TDI with reduc... | 07/13/2004 |
| 6750804 | System and method for detecting and estimating the direction of near-stationary targets in monostatic clutter using phase information A system and method for detecting a target. The inventive method includes the steps of receiving a complex return signal of an electromagnetic pulse having a real and an imaginary component; extracting from the imaginary component information representative of the p... | 06/15/2004 |
| 6741393 | Optical system with optical frequency discriminator An optical system includes an optical frequency discriminator having a light source of an optical input beam, and an optical bandpass filter having a bandpass filter range and the optical input beam incident thereon at a bandpass-filter angle of incidence and may be... | 05/25/2004 |
| 6741207 | Multi-bit phase shifters using MEM RF switches An RF phase shifter circuit includes first and second RF ports, and a switch circuit comprising a plurality of micro-electro-mechanical (“MEM”) switches responsive to control signals. The switch circuit is arranged to select one of a plurality of discrete phase ... | 05/25/2004 |
| 6738130 | Ultra-light helmet-mounted laser range finder A holographic telescope (40). The novel invention is comprised of an eyepiece (44) and a first holographic optical element (42) positioned to receive incident electromagnetic energy and focus the energy on the eyepiece (44). In the prefer... | 05/18/2004 |
| 6737639 | Display uniformity calibration system and method for a staring forward looking infrared sensor A method and system for maintaining uniformity in a FLIR display. During a one-time initialization procedure, a plurality of dynamic ranges are defined by covering a specific range of bucket fill levels when in a certain gain. To cover all dynamic ranges possible, a... | 05/18/2004 |
| 6731245 | Compact conformal patch antenna A conformal patch antenna comprises an aperture layer having an at least partially metallized surface that may have at least one aperture slot therein, and a feed-network layer positioned adjacent to the aperture layer and having a feed-network circuitry metallized ... | 05/04/2004 |
| 6731241 | Dual-polarization common aperture antenna with rectangular wave-guide fed centered longitudinal slot array and micro-stripline fed air cavity back transverse series slot array A dual-polarization common aperture antenna having fully populated common aperture dual polarized arrays. The inventive antenna includes a first and second arrays of radiating slots disposed in a faceplate. The second array is generally orthogonal and therefor cross... | 05/04/2004 |
| 6728432 | Highly adaptable heterogeneous power amplifier IC micro-systems using flip chip and micromechanical technologies on low loss substrates A first MEM is mounted on a substrate having a first contact and a second contact is mounted on a substrate. A PA power cell is thermally connected to the substrate using a thermal bump. The power cell is electrically insulated from the substrate. The power cell has... | 04/27/2004 |
| 6728430 | Fluid identification system A fluid detector system for identifying a fluid or detecting presence of a substance in a fluid. The fluid detector includes at least two optical conductors, optical detectors coupled to outputs from the optical conductors; and a comparer for comparing the outputs f... | 04/27/2004 |
| 6728814 | Reconfigurable IEEE 1149.1 bus interface A programmable interface. The inventive interface is designed to be used with an interface controller and includes a first circuit for selecting one or more components from a plurality of components in response to at least one first control signal. A second circuit ... | 04/27/2004 |
| 6723977 | System and method for sensing atmospheric contaminants using transmitter with dual optical parametric oscillators and receiver for the same A chemical sensing system and method. The system (10) includes a transmitter having a laser for providing a collimated beam of electromagnetic energy at a first frequency and a Q switch in optical alignment with the beam. The system further includes a crystal for sh... | 04/20/2004 |
| 6723803 | Adhesive of flexible epoxy resin and latent dihydrazide Flexible epoxy-based adhesive compositions which remain Theologically stable at room temperature in an uncured state comprise: (a) at least one flexible polyepoxide resin having a hardness not exceeding a durometer Shore D reading of 45 when cured with a stoichiomet... | 04/20/2004 |
| 6720994 | System and method for electronic stabilization for second generation forward looking infrared systems An image stabilization system and method. The inventive system (100) includes an image sampling circuit (230) mounted on a platform (400) for sampling an image in response to timing control signals and outputting a plurality of imaging signals i... | 04/13/2004 |
| 6716382 | Method for preparing a telescoping shrinkable hollow tube A method for preparing a hollow tube of shrinkable polymeric material by providing a hollow tube in an expanded state and partially contracting a portion of the length of the hollow tube. A first length in the expanded state is folded over a second length in the par... | 04/06/2004 |
| 6714169 | Compact, wide-band, integrated active module for radar and communication systems An integrated module for an active antenna assembly is disclosed. The integrated module is switchable between a receive mode and a transmit mode and includes active components and a dual input wideband balun. The active components includes amplifiers and micro elect... | 03/30/2004 |
| 6707603 | Apparatus and method to distort an optical beam to avoid ionization at an intermediate focus An optical system has a light source of an optical beam, and a wavefront distortion generator that introduces a known wavefront distortion into at least one wavelength component of the optical beam prior to the formation of an intermediate image. A focusing device r... | 03/16/2004 |
| 6707417 | Accurate range calibration architecture A radar system having a tactical mode and a calibration mode includes a transmitter section for providing high-power amplification of an RF pulsed waveform from an exciter during the tactical mode and the calibration mode. A circulator system has an input port conne... | 03/16/2004 |
| 6703982 | Conformal two dimensional electronic scan antenna with butler matrix and lens ESA An antenna and antenna excitation method. The inventive antenna includes a cylindrical array (20) of radiating elements. Each of the elements is mounted at a predetermined substantially transverse angle relative to a longitudinal axis. A circuit (30) is i... | 03/09/2004 |
| 6704145 | Air-gap optical structure having the air gap defined by a layered spacer structure An air-gap optical structure is fabricated by depositing a metallic spacer structure on a first transmissive optical element, and then contacting a second transmissive optical element to the spacer structure so that the spacer structure lies between the f... | 03/09/2004 |
| 6700699 | Dual color anti-reflection coating A multi-layer anti-reflection coating for simultaneously coupling electromagnetic radiation of two different wavelengths, λ1 and λ2, where λ1 is greater than λ2, from a first region into a second region is p... | 03/02/2004 |
| 6693605 | Variable quasioptical wave plate system and methods of making and using A wave plate (10) formed of a perforated metallic plate of a particular thickness (L) has circular holes (12) that induce a change in the polarization of an electromagnetic wave passing through the holes in the plate. By choosing the proper hole diameter,... | 02/17/2004 |
| 6693589 | Digital beam stabilization techniques for wide-bandwidth electronically scanned antennas Techniques for maintaining beam pointing for an Electronically Scanned Antenna (ESA) as its frequency is varied over a wide frequency bandwidth. A technique uses discrete phase shifters, a number of stored states, and a control methodology for rapidly swi... | 02/17/2004 |
| 6692681 | Method and apparatus for manufacturing composite structures Composite structures having a single continuous skin may be formed using automated fiber placement methods. These composite structures include frameless aircraft fuselage components offering an increased interior cabin width over conventional fuselage com... | 02/17/2004 |
| 6693573 | Mixed technology MEMS/BiCMOS LC bandpass sigma-delta for direct RF sampling An improved sigma-delta modulator is disclosed. The sigma-delta modulator utilizes Micro Electro Mechanical System (MEMS) technology coupled with on-chip LC networks. MEMS switches are used to switch capacitors and inductors in and out of the network to a... | 02/17/2004 |
| 6693922 | Reeder rod The inventive rod includes a gain medium having first and second equal length portions sharing a common optical axis and an optical rotator disposed between said first and second portions which optical rotator compensates for birefringence. In an exemplar... | 02/17/2004 |
| 6693749 | Low-observability, wide-field-of-view, situation awareness viewing device A situation awareness viewing device, typically in the form of a head-mounted display device, includes a polarizing beam splitter made of a cube of a material transparent to light and having an index of refraction greater than 1, and a wire grid polarizer... | 02/17/2004 |
| 6690695 | Laser with gain medium configured to provide and integrated optical pump cavity An optically-pumped laser having a gain medium configured to provide a low loss, three-dimensional integrated optical pump cavity that substantially confines optical pump radiation within the lasing volume, which is particularly useful for efficiently pum... | 02/10/2004 |
