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| Number | Title | Issue Date |
| 6122405 | Adaptive filter selection for optimal feature extraction A method for analyzing a region of interest in an original image to extract at least one robust feature, including the steps of passing signals representing the original image through a first filter to obtain signals representing a smoothed image, perform... | 09/19/2000 |
| 5885911 | Electromagnetic attenuating laminate and method for its formation An EMI shielding member and method of making the member. The member includes a non-metallic substrate having an electrically non-conductive coating of a dielectric polymer matrix material loaded with an EMI shieldingly effective amount of electrically con... | 03/23/1999 |
| 5867073 | Waveguide to transmission line transition A transition between a waveguide and transmission line is disclosed in which a probe portion of the transmission line extends into the waveguide to electrically field couple signals between the waveguide and transmission line. The transmission line is pre... | 02/02/1999 |
| 5835901 | Perceptive system including a neural network A real-time learning (RTL) neural network is capable of indicating when an input feature vector is novel with respect to feature vectors contained within its training data set, and is capable of learning to generate a correct response to a new data vector... | 11/10/1998 |
| 5817422 | Optical apparatus having a highly diffusive metal surface layer A method is disclosed for the production of highly diffusive or absorptive metal surfaces. A dendritic crystal structure surface layer of metal is electrodeposited on a substrate, using a bipolar pulse plating technique. This metal surface layer may then ... | 10/06/1998 |
| 5801970 | Model-based feature tracking system Methods and apparatus providing model-based feature tracking for location assessment of a sensor platform, or tracking of a feature are disclosed wherein a series of predictive models are developed to predict a location of features in subsequently acquire... | 09/01/1998 |
| 5770868 | GaAs substrate with compositionally graded AlGaAsSb buffer for fabrication of high-indium fets Semiconductor devices made in highindium-content semiconductor material have advantageous properties, but similar substrate materials are hard to handle. A buffer layer makes a lattice-constant transition between a GaAs substrate and a high-indium epitaxi... | 06/23/1998 |
| 5745984 | Method for making an electronic module A multi-chip module is provided which utilizes benzocyclobutene as a laminate adhesive for bonding the upper dielectric films in a high density interconnect structure. The benzocyclobutene thermosetting polymer is spin coated on a polyimide film, and bake... | 05/05/1998 |
| 5737458 | Optical light pipe and microwave waveguide interconnects in multichip modules formed using adaptive lithography HDI fabrication techniques are employed to form a variety of optical waveguide structures in polymer materials. Adaptive optical connections are formed, taking into account the actual position and orientation of devices which may deviate from the ideal. S... | 04/07/1998 |
| 5722232 | Hybrid helium heater pressurization system and electrical ignition system for pressure-fed hybrid rockets A system for pressurizing a liquid oxygen tank (20) in a pressure-fed hybrid rocket (100) provides pressure at a first end of the tank (20) so that liquid oxygen can exit the second end. A hybrid heater (50) creates the pressure by mixing gaseous oxygen w... | 03/03/1998 |
| 5721019 | Electromagnetic attenuating laminate and method for its formation An EMI shielding member and method of making the member. The member includes a non-metallic substrate having an electrically non-conductive coating of a dielectric polymer matrix material loaded with an EMI shieldingly effective amount of electrically con... | 02/24/1998 |
| 5709138 | Method and apparatus for precision cutting of fibers An apparatus for precision cutting of fiber tow is provided which includes a structure for securing a taut length of fiber tow between two points, a movable cutter, and a structure for guiding a cutting edge of the cutter substantially perpendicularly aga... | 01/20/1998 |
| 5703970 | Method of and apparatus for improved image correlation A method of and apparatus for computing correlating images using the one dimensional Fast Fourier Transform (FFT) and the symmetry property of the Fourier Transform. In one aspect, the invention is a method of correlating images in the form of a pair of r... | 12/30/1997 |
| 5701010 | Dual band polarity reversing multiplexer A detector array of a plurality of photodetector cells is provided which operates in two spectral bands by utilizing a polarity reversing multiplexer for directly reversing the polarity of different types of photodetector pairs. More particularly, long wa... | 12/23/1997 |
| 5668925 | Low data rate speech encoder with mixed excitation A speech signal has its characteristics extracted and encoded (16), transmitted over a limited-data-rate path (18) and is decoded (20) and synthesized (22) at the receiving end. The characteristics include line spectral frequencies (LSF), pitch and jitter... | 09/16/1997 |
| 5663825 | Stabilized step/stare scanning device A method and apparatus for holding a line of sight in a scanning imaging system wherein there is continuous relative movement between the field of view of the system and an image plane. A descan mechanism temporarily holds a line of sight within a field o... | 09/02/1997 |
| 5663523 | Method of propelling a projectile with ammonium azide A propellant composition comprising an admixture of a first hydrogen rich material and a second metal material which is capable of reacting exothermically with the first material. The ratio of the first material to the second material is selected such tha... | 09/02/1997 |
| 5661484 | Multi-fiber species artificial dielectric radar absorbing material and method for producing same In a radar absorbing material, first or relatively resistive fibers are combined with second or relatively conductive fibers in a dielectric binder. Preferably, the first fibers are graphite filaments and the second fibers are metal coated graphite filame... | 08/26/1997 |
| 5652912 | Versatile memory controller chip for concurrent input/output operations A memory controller includes an input data path and an output data path. First circuitry generates signals to put the input data into at least one variably-dimensioned logical array of memory cells of a memory. Second circuitry generates signals to extrac... | 07/29/1997 |
| 5650585 | Ignitor for use in a liquid monopropellant gas generator An initiator, for use in a gas generator, includes an enclosed volume in communication with apertures for introducing liquid propellant and pre-pressurization gas into a propellant ignition chamber, and an aperture for introducing combusted gasses into a ... | 07/22/1997 |
| 5648052 | Liquid monopropellant gas generator A continuous flow-rate gas generator fueled by liquid mono-propellant includes a propellant storage tank, a motor-driven pump (or other pressurization technique) to force the propellant into a combustion chamber having an enclosed volume, an injector to e... | 07/15/1997 |
| 5647573 | High pressure fluid valve assembly To resist mechanical forces tending to unseat a fluid valve applied to seal against a high fluid pressure, a fluid valve assembly is equipped with a valve block that, in response to the high fluid pressure, causes a locking member to be forcibly wedged in... | 07/15/1997 |
| 5642617 | Continuously variable hydrostatic transmission with neutral-setting hydraulic circuit A continuously variable hydrostatic transmission includes axially aligned input and output shafts journaled by a transmission housing and respectively coupled to a prime mover and a load. The input shaft drives a hydraulic pump unit, while a hydraulic mot... | 07/01/1997 |
| 5636165 | Apparatus for and method of facilitating proper data transfer between two or more digital memory elements An apparatus for and method of ensuring proper transfer of data between two registers. A device driver utilizes a clock signal as an enable input before data is transferred from one register to another. This prevents a misregistration of data when delays ... | 06/03/1997 |
| 5631436 | Gun equipped with down-bore liquid propellant booster stage to increase projectile muzzle velocity A booster stage is positioned down-bore from the breech of a gun to contain a charge of liquid propellant that is ignited by the combustion gases of a detonated breech propellant charge trailing the projectile down the gun bore. The detonated liquid prope... | 05/20/1997 |
| 5629522 | Apparatus for and method of providing long integration times in an IR detector Apparatus for and method of increasing the effective integration time, and, hence, reducing the noise bandwidth of a photodetector. The current output of the photodetector is converted to a voltage signal in a low pass filter. The low pass filter is prefe... | 05/13/1997 |
| 5606707 | Real-time image processor A real-time image processor has three functional sections: an image manager, an image processor, and an instruction generator. The image processor may be an array of single-instruction multiple-data (SIMD) processing elements, for processing a subframe of... | 02/25/1997 |
| 5604822 | Methods and apparatus for centroid based object segmentation in object recognition-type image processing system A digital signal processing system which uses an input image including a plurality of pixels to establish boundaries of objects in the input image. Each of the pixels has a gradient value and the object includes a centroid. Using a segmentation process, t... | 02/18/1997 |
| 5600788 | Digital test and maintenance architecture A testing device has an architecture including a board test interface for coupling to test points on a circuit board; a programmable processor, coupled to the board test interface, for controlling a test of the circuit board via the board test interface; ... | 02/04/1997 |
| 5594194 | Dual-axis ammunition reorienter An ammunition round reorienter is equipped with a gear train having parallel drive paths connecting a common motor to concurrently rotate a platform about a vertical axis and to pivot a tray about a horizontal axis, such that an ammunition round carried b... | 01/14/1997 |
| 5586579 | Combination ball valve and pressure relief valve assembly To provide pressure relief in a fluid line of a fluidic circuit, the ball element of a shutoff valve incorporates a tube that is aligned with a pair of valve ports when the ball is in the closed valve position. A miniature check valve, positioned in the t... | 12/24/1996 |
| 5583507 | Passive identification of friend vs. foe apparatus and method A method and apparatus for passive identification includes a series of elements preferably in the form of strips, bars or other geometric shapes, or as dipole antennas made of a material having variable EM retro-reflectivity characteristics. By varying th... | 12/10/1996 |
| 5583313 | Retractable blast pressure and flash suppressor assembly for guns A suppressor assembly includes a suppressor that is mounted by rails slidingly received by the barrel clamp of a multi-barreled rotary machine gun to accommodate movement of the suppressor between a latched, operative position projecting beyond the barrel... | 12/10/1996 |
| 5575152 | Hydraulic machine with wedge-shaped swashplate A continuously variable transmission includes a pump driven by an input shaft against a wedge-shaped swashplate. Hydraulic fluid pressurized in the pump flows through ports in a pump cylinder block into kidney-shaped slots in the swashplate, and from ther... | 11/19/1996 |
| 5572864 | Solid-fuel, liquid oxidizer hybrid rocket turbopump auxiliary engine A propulsion thruster (10) includes a solid-fuel, liquid-oxidizer main rocket engine (11), a tank (22) of liquid oxygen, and a turbine (32)-driven pump (30) for pumping liquid oxygen to the main engine. A solid-fuel, liquid-oxidizer auxiliary engine (40) ... | 11/12/1996 |
| 5572016 | Photoluminescence built-in-test for optically initiated systems A built-in-test capability is provided for determining the integrity of an optical fiber connecting: (a) an optical firing unit having a primary light source emitting a first wavelength, a test light source emitting a second wavelength different from the ... | 11/05/1996 |
| 5567329 | Method and system for fabricating a multilayer laminate for a printed wiring board, and a printed wiring board formed thereby In a method of fabricating a multilayer laminate for a printed wiring board, a plurality of blind via sites are etched from a first side of a first sheet, the first sheet including a flexible dielectric material, the flexible material being clad on the fi... | 10/22/1996 |
| 5565646 | High velocity gun propellant A propellant composition comprising an admixture of a first hydrogen rich material and a second metal material which is capable of reacting exothermically with the first material. The ratio of the first material to the second material is selected such tha... | 10/15/1996 |
| 5562838 | Optical light pipe and microwave waveguide interconnects in multichip modules formed using adaptive lithography HDI fabrication techniques are employed to form a variety of optical waveguide structures in polymer materials. Adaptive optical connections are formed, taking into account the actual position and orientation of devices which may deviate from the ideal. S... | 10/08/1996 |
| 5561431 | Wavelet transform implemented classification of sensor data An improved classifier estimates a classification of a sensed object. Data representing the sensed object are received by a sensor, such as a radar, and transformed into wavelet transform coefficients. A subset of the wavelet transform coefficients are se... | 10/01/1996 |
