Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
The United States of America as represented by the Secretary of the Air Patents
Assignee:
The United States of America as represented by the Secretary of the Air
Address:
Washington, DC
No. of patents:
3120
Patents:




Patent Number Title Of Patent Date Issued
5708587 Microwave/optical transformation method January 13, 1998
A method to design and analyze distributed microwave circuit elements is presented for design work, the invention can be used to match impedance between microwave circuit elements, and in the design of filters can specifically be used for, but is not limited to the design of microwave
5708507 Temperature resolved molecular emission spectroscopy of materials January 13, 1998
System and method for temperature resolved molecular emission spectroscopy of solid, liquid or gaseous materials are described wherein a sample is vaporized and decomposed, and the vaporous sample is transported into a combustion flame; a spectrum of intensity of the optical emission fro
5708504 Interfering imaging spectrometer January 13, 1998
An interfering imaging spectrometer is described wherein a single interference filter disposed in preselected angular relationship with one or more mirrors separates an incoming optical signal or field of view into multiple contiguous images separated spatially and spectrally, each image
5707147 Hot gas flow thermocouple test system January 13, 1998
System and method for high temperature testing of thermocouples are described wherein a fuel burning combustion chamber generates a hot gaseous flow through a transparent chamber at a selected test temperature in the range of about 1400.degree. F. to 2150.degree. F., a test thermocou
5706013 Nonhomogeneity detection method and apparatus for improved adaptive signal processing January 6, 1998
Apparatus and method for improving detection of targets in a radar system that employs adaptive filtering. A nonhomogeneity detector eliminates nonhomogeneous signals from the population of signals received. An adaptive filter weight controller estimates covariance matrices from only
5705959 High efficiency low distortion amplification January 6, 1998
A system and method is disclosed that provides a means for the high efficiency low distortion amplification of complex modulated radio frequency signals, such as but not limited to Single Side Band (SSB) signals. The innovative principle of the invention is based on the simultaneous
5703421 Reluctance generator/motor cooling December 30, 1997
A reluctance motor/generator apparatus capable of operation at high rates of revolu-tion and high energy densities with reduced cooling-related windage losses and without incurring thermal damage to motor/generator elements. The apparatus includes an electrical winding-free reluctance
5700147 Air controlled sterile irrigation system (ACSIS) December 23, 1997
A new apparatus and method for delivering sterile irrigating solution to dental sites during restorative and surgical procedures is disclosed. A new sterilizable handpiece line adapter is connected between prior art dental handpieces and dental unit air-water hoses. The handpiece line
5699981 Aircraft cavity acoustic resonance suppression system December 23, 1997
An aircraft cavity acoustic resonance suppression system is described which comprises a small diameter, substantially cylindrically shaped member disposed substantially parallel to and spaced up to a distance corresponding to about three airflow boundary layer thicknesses from the su
5698900 Field effect transistor device with single layer integrated metal and retained semiconductor mas December 16, 1997
A periodic table group III-IV field-effect transistor device is described. The disclosed device uses a single metalization for ohmic and Schottky barrier contacts, permanent plural etch stop layers, employs a non-alloyed ohmic connection semiconductor layer and includes a permanent s
5698814 Hard target penetrator with multi-segmenting casing cutter December 16, 1997
A penetrating bomb weapon comprising a long hollow cylinder constructed of high strength steel or similar material and including a pointed nose to aid in penetration of media such as concrete, soil, steel or a hardened surface. The cylinder contains an insensitive explosive that is separ
5698343 Laser wavelength detection and energy dosimetry badge December 16, 1997
A new personal laser dosimetry badge records intentional or unintentional exposure to laser radiation. A Fresnel biprism is mounted over a layer of photopolymerizable material, preferably a polymer-dispersed liquid crystal material. A laser beam striking the apex of the biprism splits in
5696786 Solid-state laser system December 9, 1997
The present invention provides a laser diode-pumped solid-state laser resonator which can be scaled and pumped longitudinally including in a folded or zig-zag resonator cavity. The resonator employs opposed laser rod crystals paired with pump light diodes in a configuration which ens
5694602 Weighted system and method for spatial allocation of a parallel load December 2, 1997
A method for allocating an arbitrary spatial load in two or three dimensions to an arbitrary number of parallel processing elements. The method produces as output spatial boundaries for each processor, which can then be used to redistribute the parallel computing load. Unlike existing
5691629 Non-volatile power supply having energy efficient DC/DC voltage converters with a small storage November 25, 1997
A step-up DC/DC voltage convertor is coupled to a step-down DC/DC voltage convertor via a capacitor, which stores energy and maintains power flow to an output load circuit during a brief interruption of power supplied to the input of the step-up convertor. A diode connected to the capaci
5691442 Transparent poly(arylene ether) compositions November 25, 1997
The transparency of poly(arylene ether) homopolymers and copolymers is improved by endcapping the polymer chain with an unsubstituted phenolic-based endcapping agent.
5690843 Method of fabricating precise cast or noncast implant-retained dental restorations using electri November 25, 1997
A method of fabricating a precise implant-retained dental restoration from a casting or solid metal body by fabricating multiple electrodes, which are negatives of the surfaces of the desired restoration, and machining the casting or solid metal body against the electrodes by electrical
5689958 High efficiency thermal electric cooler driver November 25, 1997
A switching thermal regulator for efficiently and accurately regulating the temperature of an attached device, which includes a constant current supply, a thermistor, a signal processing amplifier, and a switching power supply. The thermistor, which is attached to the device to be regula
5687812 Aircraft safety wash rack November 18, 1997
The aircraft wash rack has a supporting frame being attached to the hangar ceiling and a safety track being specifically constructed for the particular aircraft shape is attached to the supporting frame. In order to construct the safety track, the aircraft is placed in the position where
5684577 Satellite terminal warning system November 4, 1997
A satellite surveillance system for providing an independent warning of attacking vehicles is realized by means of a light source detecting system that identifies discrete non-stellar light sources, locates their coordinate positions and monitors their intensity changes to determine
5683524 High temperature melting molybdenum-chromium-silicon alloys November 4, 1997
High temperature melting molybdenum-chromium-silicon alloys having good high temperature strength and specific stiffness are described which comprise Mo--Cr--Si alloys in the Mo-rich (Mo, Cr)--(Mo, Cr).sub.3 Si two-phase field.
5679949 Night vision device automated spectral response determination October 21, 1997
An automated and preferably computer-controlled night vision device test arrangement for determination of spectral sensitivity in the infrared or other input spectrum regions. The test arrangement includes feedback control of night vision device input port signal levels, incremented
5675604 Portable pumped laser system October 7, 1997
The invention provides a portable compact laser system that emits a frequency-doubled green laser beam, which system is thermoelectrically cooled in air and has a power output of up to 1 watt or more. The portable laser system of the invention includes a diode-pumped laser crystal, which
5675521 Multichip module analyzer October 7, 1997
The disclosure describes a method for performing thermal reliability analysis of electronic devices such as multichip modules. The method supports the reliabilty of multichip technology during the design phase by integrating traditional thermal analysis techniques, such as Finite Ele
5670651 Thermosetting resins derived from 4-hydroxy- and 4-trimethylsiloxy-benzocyclobutene September 23, 1997
Benzocyclobutene-terminated monomers of the formula ##STR1## wherein Ar is --SO.sub.2 --, --CO--, or ##STR2## are prepared by reacting a benzocyclobutene of the formula ##STR3## wherein R is --H or --SiMe.sub.3, with a difluorophenyl compound of the formula ##STR4##
5668657 PLZT based electro-optic phased array optical scanner September 16, 1997
The unique properties of quadratic lead lanthanum zirconate titanate (PLZT) compositions make feasible the development of phased array optical scanners. Two implementations of integrated PLZT phased array scanners as two-port and three-port devices are presented. The three-port offers a
5668542 Color cockpit display for aircraft systems September 16, 1997
A new aircraft cockpit instrument panel display system for showing the operating status of different aircraft systems is disclosed. The color display includes a plurality of display segments. Each display segment combines trend qualitative information of the direction of movement of
5666518 Pattern recognition by simulated neural-like networks September 9, 1997
Apparatus and method for replacing the traditional amplifications by rime delays in a neural network that can be trained to analyze temporally-related patterns. Time delays comprise the synapses between feeder and stimulus cells in the network. The result is a multi-temporal trainabl
5665180 Method for hot rolling single crystal nickel base superalloys September 9, 1997
A heat treatment and hot working method for producing a thin sheet of nickel base superalloy single crystals is described, wherein a single crystal preform of an alloy is first heat treated in vacuum at temperatures below the .gamma.' solvus temperature of the alloy in order to obtai
5663475 Reactor for oxidation of petrochemicals using ozone and hydrogen peroxide September 2, 1997
In place of the incinerator in the present GWTPs, the following is substituted therein: a first reactor treats the vapor phase of the gases being expelled out of the air stripper. These vapors contain gases of volatile contaminants. The vapors are mixed with ozone and pumped into the
5663437 2-(N-benzoylimino)-4, 4-diaminobiphenyl September 2, 1997
A new benzidine monomer composition containing an asymmetrically situated benzamide (iminobenzoyl) group: ##STR1## was prepared from the benzolyation reaction of 4,4'-dinitro-2-biphenylamine and benzoyl chloride, followed by catalytic hydrogenation. The compound can be used as a
5663075 Method of fabricating backside illuminated FET optical receiver with gallium arsenide species September 2, 1997
A photo FET device having a large area backside optical energy reception surface is disclosed. The photo FET device is fabricated in the source gate and drain upward configuration and then inverted onto a new permanent substrate member and an original surrogate substrate member removed i
5662693 Mobility assist for the paralyzed, amputeed and spastic person September 2, 1997
Apparatus to actively assist neuromotor disabled to have better leg functional control/use. This system serves as a strength enhancer, support device, and attenuator of spastic motions. The disclosed orthosis is worn on the outside of the leg (or legs) and serves as an active/dynamic bra
5658673 Microwave-sensitive article August 19, 1997
An article which is sensitive to non-ionizing electromagnetic radiation in the radiofrequency radiation range, consisting essentially of a substrate, a layer of a binder material and a layer of activated diazoluminomelanin. This article is prepared by coating at least one surface of a su
5658488 Regeneration of BHP in a plant process August 19, 1997
Provided is method and apparatus for regenerating basic hydrogen peroxide (BHP) solution. Such solution is run through filters which are alternated for continuous filtration thereof, while the non-used filter is being cleaned. The filtered BHP solution is then reacted with H.sub.2 O.sub.
5657267 Dynamic RAM (random access memory) with SEU (single event upset) detection August 12, 1997
Individual cells in a memory array are structured and interconnected to permit detection and identification of the locations of errors known as Single Event Upsets (SEUs), with the correction and identification of an affected cell made using only a single parity bit for a group of cells
5657022 Unambiguous range-doppler processing method and system August 12, 1997
Range-Doppler ambiguity is eliminated from an ultra-wideband radar system by transmitting an ultra-wideband chirped pulse towards a moving target, and mixing it with the doppler-shifted chirped pulse which is received as a target echo return signal. Multioctave radar tracing systems can
5656873 Transmission line charging August 12, 1997
A device for charging PFLs (Pulse Forming Lines) on a time scale of a few nanoseconds. The device includes a source transmission line (STL) connected through a switch to a pulse forming transmission line. The source line is initially charged while the PFL is uncharged, and the switch
5654538 Optically addressed general purpose programmable logic device August 5, 1997
An array of pairs of photodetector elements is provided, where each pair intercepts a set of angularly separated light beams for each pixel, and an array of electrical logic circuits coupled to the photodetector elements, each change the polarization state of liquid crystal pixel SLM por
5653807 Low temperature vapor phase epitaxial system for depositing thin layers of silicon-germanium all August 5, 1997
An epitaxial film deposition system has a low vacuum venturi pump for initially partially purging the system of toxic gases, and a high vacuum turbo-molecular pump to further sharply reduce the pressure to maximize toxic gas purging along with the detection of any slight leaks of toxic
5652811 Semiconductor on fiber optic substrate (SOFOS) July 29, 1997
A semiconductor on fiber optic substrate is composed of a thin layer of electronic grade semiconductor material which is bonded to a substrate which is a fiber optic plate. The fiber optic plate acts as a continuous sheet of optical waveguides to transport light between semiconductor
5652810 Fiber optic sensor for site monitoring July 29, 1997
A fiber optic sensor system for analyzing fluid systems is described which comprises a sampling probe which transmits tunable ultraviolet light to a sampling location, the probe including an optical fiber terminating in a sampling structure at the distal end of the probe which is inserte
5652435 Vertical structure schottky diode optical detector July 29, 1997
A vertical structure Schottky contact photodiode has a narrow bandgap InGaAs light absorbing layer cladded front and back with InAlAs current blocking layers having metal contacts formed thereon. As compared to single-side MSM photodiodes, with interdigitated electrodes lying in a si
5651474 Cryogenic structures July 29, 1997
The invention provides cryogenic structures, e.g. vessels or tanks joined by longerons, which are made of durable plastic composite materials rather than of metal, which vessels can contain cryogenic materials including fuel, without need of a liner or other weighty layers of the prior a
5650670 Induction charge microwave pulse generator having a split ground plane July 22, 1997
Complex and multi-cycle microwave pulse waveforms are generated by the transient discharge of an induction charged transmission line using only one fast switch. An essential feature of the transmission line circuit is the distinction between the ground planes of the bias circuit and the
5650629 Field-symmetric beam detector for semiconductors July 22, 1997
An alignment mark and pattern is disclosed for use on semiconductor substrates which are to be patterned in an electron lithography machine. The detector includes two interleaved N-well portions mounted on a P-substrate. The interleaved "fingers" of the N-well portions are spaced to
5648976 Laser with variable pulse length July 15, 1997
A device for generating short laser pulses comprises a laser oscillator for generating a first laser pulse, a pulse compression element which retroreflects the first laser pulse by stimulated Brillouin scattering (SBS) as a temporally shortened pulse, a reflection element into which the
5648872 Single lens joint transform correlator utilizing a fresnel zone plate signal July 15, 1997
An amplitude encoded lens function signal, similar to a zone plate, is formed in the transform plane of a chirp encoded joint transform correlator. CCD correlation spot light sensor is separated from the transform plane by the focal length of the encoded lens function, and generates
5646764 Optical beam scanner with rotating transmissive optics July 8, 1997
The present invention is a beam scanner for use about a nonlinear optical crystal for frequency conversion. The scanner oscillates the high power laser beam passing through the crystal to reduce heat damage and does not change the direction or the position of the beam upon exiting the sc
5645960 Thin film lithium polymer battery July 8, 1997
A solid state electrochemical cell comprising:(a) an electrolyte comprising a polymeric matrix, an inorganic salt and a solvent;(b) an anode comprising a thin film of lithium metal or an alloy thereof; and(c) a cathode comprising a polymeric matrix, a conductive carbon and a metal salt,

 
 
  Recently Added Patents
Extension to version 2.0 universal serial bus connector with improved contact arrangement
Square ratchet head with round plug and round body
Electronic apparatus
Protective film for plasma display panel and method for manufacturing this protective film, and plasma display panel and method for manufacturing thereof
Bearing structure
Single and tandem shunted torsion bar suspensions
Method and device for detecting electric arc phenomenon on at least one electric cable
  Randomly Featured Patents
Image processing device, method, and storage medium which stores a program
Flanged boot having a rolling bearing interface
Current-steering digital-to-analog converter having a minimum charge injection latch
Medium access control protocol for OFDM wireless networks
Method for reducing the production of liquids from a gas well
Graphic user interface for a portion of a display screen
Electrical connector housing
Method for correcting tilt of magnet-optical readable medium apparatus to be used for its practice and magnet-optical readable medium
Method for forming a row of slide fastener elements
Liquid crystal driver and liquid crystal display device using the same