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| Number | Title | Issue Date |
| 5318018 | Advanced aircrew protection system An advanced aircrew protection system comprising a helmet assembly adapted to sustain a full pneumatic pressure within the helmet adjacent to the head of the wearer; a suit assembly adapted to sustain a pressure adjacent to selected parts of the body of t... | 06/07/1994 |
| 5275984 | Fiber coating of unbonded multi-layers for toughening ceramic fiber-matrix composites A composite comprising a ceramic matrix having immersed ceramic reinforcing fibers is strengthened and toughened by providing a multi-layer ceramic coating surrounding each fiber. The multiple layers in the fiber coating are not bonded to one another. As ... | 01/04/1994 |
| 5265827 | Paddle wheel rotorcraft An aircraft having vertical takeoff and landing capability having at least first and second laterally extending paddle wheels rotatable on a central axis generally perpendicular to the longitudinal axis of the aircraft and between its nose and tail. Each ... | 11/30/1993 |
| 5251381 | Precision angularity hole checker with indicator A device for the angularity of a hole has a housing, a pivotally movable probe, and a digital display for displaying angular deviation of the probe from a home position. The device can additionally or alternatively have a signaling device to signal angula... | 10/12/1993 |
| 5252730 | Polymer composition having intense magnetic properties and method for preparation thereof A polymer composition having intense magnetic properties and a method for preparation of same. A phthalimide compound and an aromatic dialiphatic acid are reacted in the presence of a metal catalyst at elevated temperatures to form a phenylenebis diphthal... | 10/12/1993 |
| 5245927 | Dual-tandem unmanned air vehicle system An unmanned air vehicle system which is intended for launch from a platform such as an aircraft or a ship and to follow other than a ballistic trajectory includes a pair of substantially similar air vehicles in a tandem relationship. A unitary tubular air... | 09/21/1993 |
| 5235439 | Volume-holographic inner product processor A pattern recognition apparatus and a method for operating same. The apparatus includes a volume holographic medium (4) having a plurality of Fourier-space volume holograms representing pattern templates stored within. The apparatus further includes a spa... | 08/10/1993 |
| 5225696 | Focal plane array with charge transfer gate A radiation detection system includes an array of radiation detectors disposed on a common substrate of type-n silicon, wherein each detector includes an electrode spaced apart from the silicon by silicon dioxide. Two rows of the detectors are coupled by ... | 07/06/1993 |
| 5222827 | Fastener installation and method for composite members A fastener installation for securing a composite member to a structure. The fastener installation includes a shear member adhesively bonded to a surface of the composite member, and a pin member extending through the shear member and composite member to e... | 06/29/1993 |
| 5206503 | X-Y translational imaging device with housing supporting means for a camera body including image sensing means An imaging device has a lens for focusing light and a sensor for imaging that light. The lens is selected such that the focus coverage area projected from the lens is much greater in area than the area of the sensor. The sensor is moved through the covera... | 04/27/1993 |
| 5205171 | Miniature silicon accelerometer and method A miniature accelerometer is fabricated using integrated circuit manufacturing and silicon micromachining techniques to form a closed loop, force balance sensor utilizing a silicon proofmass formed from and connected to a layer of silicon by a split flexu... | 04/27/1993 |
| 5202168 | Precision retro-reflective target tape A retro-reflective target tape comprising a lower sub-laminate having an upper transparent thick mylar backing about 2 mils thick, a release sheet therebeneath and a pressure sensitive adhesive therebetween; and an upper sub-laminate having an upper light... | 04/13/1993 |
| 5170283 | Silicon spatial light modulator A spatial light modulator including a silicon backplate having an insulating layer and a standoff grid of insulating material deposited on the backplate to define an array of cells. An electrode is deposited in each cell on said backplate. A thin membrane... | 12/08/1992 |
| 5166949 | Method and apparatus for suppressing off-axis modes in laser and ring laser gyroscopes A dielectric interference film having a central region of one thickness and a peripheral region of a different thickness is superimposed on one of the mirrors of a ring laser gyroscope for the purpose of suppressing off-axis resonant modes that are charac... | 11/24/1992 |
| 5162271 | Method of forming a ductile fiber coating for toughening non-oxide ceramic matrix composites A method of toughening a fiber/matrix ceramic composite consisting of non-oxide based ceramic fibers immersed in a ceramic matrix. The method includes, prior to immersing the fibers in the matrix, applying a metallo-organic solution of a noble metal to th... | 11/10/1992 |
| 5146287 | Slant angle laser scanner A slant angle laser scanner for detecting underwater hazards, particularly those having a long axis along a radial from the ship such as torpedoes, using a laser, an electro-optical scanner and a rotatably mounted mirror to scan the ocean surface with opt... | 09/08/1992 |
| 5145297 | System and method for particulate matter removal A system and method for removing particulate matter from an object being machined or having been machined. A vacuum tube is connected to a source of vacuum and has an intake end adapted to be placed in close proximity to the object being machined. In one ... | 09/08/1992 |
| 5141595 | Method and apparatus for carbon coating and boron-doped carbon coating The disclosed invention employs a gravity assisted open system for coating of refractory substrates with a highly uniform layer of graphite or other material. Pyrolytic dissociation of precursor gases in an inert atmosphere flowing downwardly, countercurr... | 08/25/1992 |
| 5137358 | Ring laser gyro having two magnetic mirrors Method and apparatus for switchably controlling the bias of a ring laser angular rate sensor using two switchably controllable magnetic mirrors for rate sensor operation away from lock-in regions. For a sensor input rate that is less than a threshold valu... | 08/11/1992 |
| 5123027 | Regenerative passive resonator In a thin film micro-optic gyroscope (MOG) (10) a waveguide resonator structure (14) has an optical transmission path formed within a surface of a substrate (12). In one embodiment the path includes a predetermined amount of dopant (12a) for providing reg... | 06/16/1992 |
| 5110771 | Method of forming a precracked fiber coating for toughening ceramic fiber-matrix composites A method of producing a ceramic fiber/ceramic matrix composite having a precracked fiber coating includes depositing a metal coating or a metal nitride or metal carbide coating on each ceramic fiber in a preform of fibers, infiltrating the fiber preform w... | 05/05/1992 |
| 5109597 | Backwired 3-D harness tool assembly A backwired, three dimensional, electronic jig board assembly comprising a table top formed with a planar, rectangular surface having a plurality of apertures for the laying up of three dimensional wire harnesses thereupon; a plug board extending downward... | 05/05/1992 |
| 5106290 | Assembly data model tool system A tool system for an integrated manufacturing and assembly system includes a plurality of profile boards which are connected together with connector boards. The profile board include a profile edge which define a mold line surface. Each of the profile boa... | 04/21/1992 |
| 5106037 | Umbrella seal for aircraft An improved seal assembly positionable to cover a gap between aircraft panels. The seal assembly includes an umbrella seal and primary nodes extending therefrom into the gap. The seal assembly also includes secondary nodes in the gaps secured with respect... | 04/21/1992 |
| 5103677 | Method and apparatus for testing gap filler materials A system for testing the properties of a material used in sealing gaps between aircraft panels. The system includes a first device having a pair of interior plates positionable on opposite sides of a first specimen, a pair of intermediate plates located o... | 04/14/1992 |
| 5095638 | Method for assigning standard fasteners in accordance with a series of measurements A portable measuring system for making a series of thickness measurements of a material such as an aircraft skin and for determining therefrom the sizes and quantities of standard size fasteners required for fastening the material. For each measurement, a... | 03/17/1992 |
| 5081558 | High voltage DC relays A high voltage DC relay with arc suppression in which a MOSFET in parallel with the relay contacts is turned on during contact break mode by the controlled discharge of a capacitor between the MOSFET source and drain through a constant current diode to su... | 01/14/1992 |
| 5065960 | Gap filler for advanced aircraft to reduce radar detectability Improved channel members positionable over and in the gaps between aircraft panels. Each channel member includes a gap filler including a horizontal portion extending across the gap and a vertical portion extending downwardly therefrom into a gap. The ver... | 11/19/1991 |
| 5065444 | Streak removal filtering method and apparatus A filter for decreasing sensor artifacts in an image frame as, for instance, sensor induced streaking in the image frame, has a frame buffer for temporary storing the picture elements of the image frame. A picture element mask is utilized to group related... | 11/12/1991 |
| 5063427 | Planar bipolar transistors including heterojunction transistors A bipolar transistor is constructed to include a substrate, a collector layer epitaxial grown on the substrate and a base layer ion implanted in the collector layer. Next a further epitaxial layer is grown on the collector layer over the ion implanted bas... | 11/05/1991 |
| 5061987 | Silicon substrate multichip assembly A multichip electronic package uses a silicon substrate for chip mounting and interconnects, micro-machined inverted and non-inverted truncated vias for intrinsically hermetically sealed I/O connections, and an anodically bonded silicon cover, with suppor... | 10/29/1991 |
| 5059787 | High speed broadband silicon photodetector A high speed wideband silicon photodetector is formed from a photosensitive junction in a relatively thin epitaxial layer of silicon grown on a sapphire substrate using SOS technology. The photodetector is backside illuminated, that is, illumination to be... | 10/22/1991 |
| 5054873 | High density integrated optical multiplexer/demultiplexer A tunable, integrated WDM optic couler for coupling optical energy to and from channel waveguides in response to the application of Surface Acoustic Waves (SAW's ), and a distributed processor computer control system utilizing the couplers. A first range ... | 10/08/1991 |
| 5050096 | Path cost computing neural network The operation of an electronic neural computer is described. This electronic neural computer solves for the optimal path in a space of "cost functions" which are represented as delays at the nodes of a grid (in two, three, four, or more dimensions). Time ... | 09/17/1991 |
| 5031328 | Illuminated optical tooling target An improved target for use in an optical measurement system comprising an upper cylindrical housing portion and a lower cylindrical housing portion separably coupled at an intermediate location, the lower housing portion having a lower cylindrical region ... | 07/16/1991 |
| 5033014 | Integrated manufacturing system A method of manufacturing an article includes constructing a definition of the article in a computer memory and further defining in the computer memory from the definition of the article, a plurality of tools for forming component parts of the article. Th... | 07/16/1991 |
| 5022760 | Compound resonator for improving optic gyro scale factor Method and apparatus for tuning an optical gyroscope, such as a MOG, to an operating frequency within a predetermined range of operating frequencies. The method includes an initial step of providing a compound resonator structure having a first optical wa... | 06/11/1991 |
| 5023800 | Assembly data model system A manufacturing system includes a 3-dimensional computer system having memory. A graphics definition of an article is located in the system memory. The computer system includes an interface for defining a graphics virtual surface in the system memory. The... | 06/11/1991 |
| 5018811 | Asymmetric optical waveguides for minimizing bending losses and techniques for fabricating same A generally circular or elliptical waveguide (2) is fabricated within a substrate (3) such that the waveguide is surrounded by two different indices of refraction, with the index inside the waveguide ring being greater than the index outside the ring. Thi... | 05/28/1991 |
| 5017056 | Positioner for accurately drilling a hole in a tool ball pad A tool ball pad hole positioner is provided which includes first plate which is securely positionable with respect to a jig and has a large aperture therein; a second plate which is movable with respect to the first plate and has a small circular aperture... | 05/21/1991 |
