| Patent Number |
Title Of Patent |
Date Issued |
| 5256015 |
Torque limiting bolt having retained shear pins |
October 26, 1993 |
| Torque limiting bolt employs a number pins which shear upon the application of a predetermined torque to the bolt head. The bolt configuration insures that sheared portions of the pins are held within the bolt head to prevent undesirable scattering of the pin portions on an airstrip. A r |
| 5255850 |
Pivoting flaps and vane pack in a nozzle reverser assembly |
October 26, 1993 |
| In a nozzle reverser assembly for a gas turbine engine, a swinging vane pack reverser is provided in place of the prior art array of cascade vanes in reverser ports of such engines. The present invention includes a door flap that is hinged on the aft side of a reverser port, which door f |
| 5255608 |
Real-time identification of a medium for a high-speed penetrator |
October 26, 1993 |
| Intelligent hard-target weapons provide a real-time estimation of a medium as the weapon is penetrating through it. Input signals are provided by an accelerometer used as a primary sensor. On-line concurrent processing of the data of a specific length facilitates a few different modes of |
| 5255167 |
Finger mounted laser spotlight |
October 19, 1993 |
| A finger mounted laser spotlight is constructed of a near-infrared continuous wave laser diode powered by a miniature power supply powered in turn by a nine volt battery. The laser diode is mounted inside a cylindrical heat sink housing which includes a focusable lens assembly. A mom |
| 5254861 |
Biological aerosol particle detector and method having an electronic pulse detection means |
October 19, 1993 |
| System and method for detection and measurement of airborne biological aerosol particles in a gaseous sample are described comprising a source of low energy radiation for irradiating the gaseous sample whereby biological particles in the sample are ionized, a detector for detecting ioniz |
| 5252980 |
Target location system |
October 12, 1993 |
| A tristatic radar tracking system is disclosed in which two remote transmitters and a radar receiver use a method for combining measurements of the Doppler frequency shift and angle of arrival of two signals scattered by a moving target to derive parameters of the target's trajectory |
| 5252366 |
Chemical vapor deposition method using an actively cooled effuser to coat a substrate having a h |
October 12, 1993 |
| An actively cooled effuser for a vapor deposition reactor is placed in very close proximity to a substrate. The actively cooled effuser has combinations of gas directing plates, cooling plates and isolation plates attached together. Reactants and coolant are input into the stack of p |
| 5252175 |
Capillary pressure relief for magnetic Kyropoulos growth of semiconductor crystals |
October 12, 1993 |
| In the liquid encapsulated Kyropoulos process, the crystal is allowed to grow to the limits of the crucible and remain under the encapsulant fluid. In order to relieve the melt pressure between the growing crystal and the crucible, at least one capillary pressure relief hole is placed in |
| 5251457 |
Pressurized air distribution system |
October 12, 1993 |
| A system for providing intermittent cooling for personnel wearing protective garments and working in a hot contaminated environment is described which comprises a large flow capacity air control plenum operatively connected to an air conditioner of prescribed capacity and to suitable |
| 5249877 |
Apparatus for attaching a ceramic or other non-metallic circular component |
October 5, 1993 |
| First and second annular clamping elements are coupled together by an annular clamping ring and a Belleville spring coupled to the clamping ring urges the clamping elements toward each other so that they grip the annular ceramic piece without the need to utilize fasteners which would |
| 5249419 |
Nozzle liner for gas turbine engines |
October 5, 1993 |
| The improved liner comprises a base plate that mounts to the wall of the nozzle, at least one inner tube having a plurality of leg supports thereon for mounting to the base plate, a cylindrical seal attached to the bottom of the inner tube, and an outer tube loosely mounted about the inn |
| 5249241 |
Real-time automated scene display for infrared cameras |
September 28, 1993 |
| A histogram projection system which automatically optimizes, tracks changes in luminance and adjusts in real time the display of wide dynamic range imagery from IR cameras. It is computationally simpler than and offers markedly superior results to the standard available technique for thi |
| 5249080 |
Square telescope and apodized coronagraph for imaging nonsolar planets and the like |
September 28, 1993 |
| A new coronagraph sufficiently increases the contrast ratio between the infrared image of a nonsolar star and a possible orbiting nonsolar planet to make imaging of such a planet possible. The coronagraph is used with an infrared telescope system having a square objective or aperture. Un |
| 5247176 |
Infrared laser polarimeter |
September 21, 1993 |
| An infrared laser polarimeter system for measuring the Mueller matrix of a sample is described which comprises, a infrared laser source for projecting a beam of preselected wavelength (preferably 3-14 .mu.m) along an optical axis, at least one polarizing element disposed along the axis |
| 5247057 |
Insitu molecular composites based on rigid-rod polyimides |
September 21, 1993 |
| A polymer which can undergo thermally-induced transformation to provide a reinforcing component and a matrix component. This polymer has repeating units of the formula: ##STR1## wherein Z is selected from the group consisting of dialkyl amino thermoplastic moieties and dialkyl am |
| 5245876 |
Dual beam complex modulus apparatus |
September 21, 1993 |
| System and method for measuring complex shear or Young's modulus of a polymeric material are described wherein first and second beams of preselected lengths and different thicknesses are disposed in parallel spaced relationship firmly held at first ends thereof and first and second s |
| 5241447 |
Magnetic switch structure and method employing superconductive material |
August 31, 1993 |
| An electrical switch structure which employs superconductive material. A magnetizable core is encompassed by a body of superconductive material. The body of superconductive material has a superconductive state and a normal resistive state and can be placed in either state. The magnetizab |
| 5241313 |
Angle-of-arrival measurement via time doppler shift |
August 31, 1993 |
| To allow measurement of the angle-of-arrival (AOA) of the radar pulses from an uncooperative ground-based emitter, the method exploits the time doppler shift resulting from the velocity of a high performance aircraft and the high maneuver ability available to such aircraft to form initia |
| 5240069 |
Integral cooling system for a jet engine integral starter/generator and the like |
August 31, 1993 |
| A new cooling system for a jet engine integral starter/generator incorporates an array of thermosyphons in the rotor of the starter/generator in an off-axis geometry. The condenser sections of each thermosyphon extend out from the rotor into a coolant flowpath. Fins surrounding the c |
| 5239936 |
Low-temperature ashing of hazardous plastic waste |
August 31, 1993 |
| System and method for low temperature treatment of organic wastes containing potentially toxic concentrations of metals is described which comprises forming the waste material into pellets of preselected size, mixing the pellets with inert material, incrementally heating the mixture |
| 5239301 |
Phase/phase/frequency-scan radar apparatus |
August 24, 1993 |
| A phase/phase/frequency-scan radar apparatus having multiple-beam search and single-beam track capabilities, using a single array antenna employing a novel combination of phase/phase scan in two dimensions together with frequency-scan. Generally, the additional frequency scan capability |
| 5238761 |
Cathode material for electrochemical cells |
August 24, 1993 |
| There is provided a primary cell having an anode material, an electrolyte material and a cathode material, wherein the cathode material, in the pre-discharge condition thereof, is K.sub.3 V.sub.5 O.sub.14. In one aspect, the invention comprises a thermal cell having a lithium metal or |
| 5236972 |
Thermoplastic powder slurry for fiber impregnation and film formation |
August 17, 1993 |
| A thermoplastic powder slurry for making fiber reinforced composite structure prepregs having tack, drape and easy handleability is disclosed. A slurry of thermoplastic resin powder suspended in a solution of distilled water, a water-soluble polymer, a wetting agent, a biocide, a pla |
| 5235251 |
Hydraulic fluid cooling of high power microwave plasma tubes |
August 10, 1993 |
| A coolant system for a high power microwave excited plasma tube is described which comprises hydraulic fluid in a coolant system structure for flowing the fluid into heat exchange relationship with the plasma tube. Such a coolant system can operate over the temperature range of -50.d |
| 5233073 |
Secondary amines containing nadic and benzocyclobutenyl groups |
August 3, 1993 |
| Provided are the dialkyl amines: ##STR1## wherein Q is ##STR2## R is --CH.sub.3 or Q and a has a value of 1 to 3. |
| 5233017 |
Benzobisthiazole polymers with thiophene moieties |
August 3, 1993 |
| Benzobisthiazole polymers with thiophene moieties having repeating units of the formula:wherein Bt is ##STR1## Tp is ##STR2## and n has a value of 1 to 3. |
| 5232525 |
Post-consolidation method for increasing the fracture resistance of titanium composites |
August 3, 1993 |
| A method to increase the fracture resistance of titanium alloy matrix composites which comprises thermally treating a composite at a temperature about 5 to 10% above the beta-transus temperature of the alloy for about 4 to 60 minutes. |
| 5232182 |
Autonomous system for initializing synthetic aperture radar seeker acquisition |
August 3, 1993 |
| A method of guiding an air-to-air missile launched from a penetrating aircraft at a target aircraft having a search radar therein is shown. The missile changes from a passive antiradiation homing mode to an active seeker mode when the missile is detected and the search radar is shutdown. |
| 5229959 |
High order carry multiplexed adder |
July 20, 1993 |
| A binary adder of the carry multiplex signal selection type wherein multiple levels of multiplexing between parallel carry paths is used to achieve improved adder performance as measured by adder fabrication area requirements and other performance criteria. The resulting adder employs a |
| 5229917 |
VLSI integration into a 3-D WSI dual composite module |
July 20, 1993 |
| The difficulty with integrating packaged devices into a dual composite module design for wafer scale devices is the height difference between the WSI and packaged devices a typical wafer scale device is 0.025 (in) high while typical packaged VLSI components are 0.080 (in) or more. This l |
| 5229100 |
Rotating disk singlet oxygen generator |
July 20, 1993 |
| A rotating disk reactor for producing singlet delta oxygen is disclosed. The reactor includes a plurality of closely spaced coaxial disks partially immersed in a pool of liquid basic hydrogen peroxide (BHP) inside a reactor vessel. A thin film of BHP is picked up and carried on the r |
| 5227808 |
Wide-band L-band corporate fed antenna for space based radars |
July 13, 1993 |
| A large antenna array is constructed in sub-arrays which are supported in a stacked and folded (stowed) condition, and then deployed by first unfolding and then expanding the stack. The sub-arrays are compressed together to yield a very compact stowed configuration, due to the absence |
| 5227798 |
Passive transmitting sensor |
July 13, 1993 |
| The disclosed system comprises a receiver that is inductively coupled to one or more passive transmitters by means of a receiving inductor. The receiver comprises a sweep signal source which is coupled equally to the receiving inductor and a reference inductor. The receiving inductor is |
| 5226985 |
Method to produce gamma titanium aluminide articles having improved properties |
July 13, 1993 |
| A first method for producing articles of gamma titanium alumide alloy having improved properties comprises the steps of: (a) shaping the article at a temperature between the titanium-aluminum eutectoid temperature of the alloy and the alpha-transus temperature of the alloy, and (b) aging |
| 5226982 |
Method to produce hollow titanium alloy articles |
July 13, 1993 |
| A method for producing hollow titanium alloy articles which comprises casting a plurality of segments which can be joined to provide a unitary, hollow article, treating the cast segments in such manner as to refine the microstructure of the segments and superplastic forming/diffusion bon |
| 5226580 |
Automated heat pipe processing system |
July 13, 1993 |
| An automated heat pipe processing system is able to take a heat pipe casing and an end cap for the heat pipe casing and form these into a heat pipe within a totally contained system. The heat pipe casing and end cap are cleaned by means of glow-discharge plasma, a bakeout heating, if req |
| 5225947 |
Low cost time indexed voice recorder system |
July 6, 1993 |
| A time indexed voice recording system wherein tone coded time signals are received on one channel of an entertainment grade stereophonic tape recorder and the desired voice signals entered into the other channel. The recording system is portable in nature and especially adapted for use i |
| 5225931 |
System of reflective telescope baffles using conic sections of revolution |
July 6, 1993 |
| An optical system with a tube having an open front end and a back end, imaging optics mounted in the tube and a plurality of light reflective baffle portions rotationally symmetric with respect to the optical axis, and wherein first baffle portions are configured as ellipsoids of rev |
| 5225930 |
Comb optical interference filter |
July 6, 1993 |
| High total transmission, tunable comb filter structures are described which comprise moderately thick layers of optical material having periodic or multiply periodic refractive index modulation features comprising a multiplicity of coherently-coupled, weakly-resonant optical cavities, |
| 5225633 |
Bridge chip interconnect system |
July 6, 1993 |
| A bridge chip interconnect system is used for electrically interconnecting first and second semiconductor chip devices. The first and second semiconductor chip devices each are mounted adjacent to each other with a space therebetween and respectively have first and second row of ohmic |
| 5224197 |
Integrated optics using photodarkened polystyrene |
June 29, 1993 |
| Integrated optical devices are provided wherein a film of polystyrene doped with methyl red (PS-MR) on a glass substrate, is masked, e.g. with one or more metallic strips on a glass plate and such film is irradiated with, e.g. a UV lamp, tuned within the absorption band of such film, in |
| 5224115 |
Distributed feedback laser implemented using an active lateral grating |
June 29, 1993 |
| A distributed feedback (DFB) laser for use in a bipolar field effect transistor laser (known as a BICFET laser) produces a single mode, stable, tunable laser. The single mode, stable, tunable characteristics of the laser are achieved by modifying the structure and operation of a prev |
| 5224101 |
Micro-coded built-in self-test apparatus for a memory array |
June 29, 1993 |
| A built-in self-test apparatus for a memory cell array having a micro-code sequencer to receive and utilize micro-instruction from a read only memory. The micro-code sequencer applies test algorithms to each cell of the memory cell array and detects the responses to determine the ope |
| 5223968 |
First come only served communications network |
June 29, 1993 |
| A communications network grid having a matrix of nodes at which transmitters or receivers are connected to transmit and receive signals from any origin or destination. Each node utilizes first come only served control logic to retransmit the first received signal. |
| 5221364 |
Lightweight solar cell |
June 22, 1993 |
| A method for fabricating a lightweight solar cell is provided wherein a) an LD silica aerogel substrate at densities between 10-1,000 mg/cc is prepared, b) the surface of such aerogel substrate is polished to an optical quality surface c) a dielectric planarization layer of SiO.sub.2 |
| 5220163 |
Microwave adaptive transversal filter employing variable photonic delay lines |
June 15, 1993 |
| By applying a spatial frequency dependent phase compensation in an optical heterodyning system, a variable rf delay line can be synthesized. The system is able to generate continuously variable phased microwave signals over a prescribed frequency band. A primary application of these vari |
| 5218431 |
Raster image lossless compression and decompression with dynamic color lookup and two dimensiona |
June 8, 1993 |
| A computer program is used to compress color graphics animation sequences for local storage and transmission to remotely networked sites in a significantly reduced size It allows playback of these animations on a wide variety of workstations ranging from personal computer class machines |
| 5217533 |
Coating apparatus for continuous fibers |
June 8, 1993 |
| An apparatus for coating a continuous fiber which includes (a) a coating composition container having an orifice in the bottom portion thereof; (b) means for introducing coating composition into the coating container; (c) a catch vessel positioned below the orifice in the coating contain |
| 5216886 |
Segmented cell wall liner for a combustion chamber |
June 8, 1993 |
| Lightweight, long-life combustion liner comprises a two-dimensional array of thin walled metal liner cells welded to a liner support structure and having thermal expansion gaps between side wall cell portions. Cooling air orfices are formed in the cells for producing a cooling air film a |
| 5216675 |
Reliable broadcast protocol |
June 1, 1993 |
| A broadcast protocol system which uses a plurality of distributed computers which are electrically connected by a broadcast medium. Each message is broadcast to all computers with a header in which there is a message identifier containing the identity of the broadcasting processor and a |
