| Patent Number |
Title Of Patent |
Date Issued |
| 6104488 |
Multi-octave spectroscopy with multi-waveband infrared focal plane array |
August 15, 2000 |
| Spectra corresponding to overlapping grating orders are focused onto a multi-waveband focal plane array in order to create spectral images of a scene simultaneously in multiple wavelength regions. The blaze of the grating is chosen so that all spectral orders are dispersed with high |
| 6101602 |
Digital watermarking by adding random, smooth patterns |
August 8, 2000 |
| A digital image is "watermarked", that is, authenticated by an embedded pattern. The pattern is created by hashing the image and adding a signature element. Manipulating this result by the seed for a random number generator leads to an initial two dimensional random black-and-white p |
| 6100417 |
Functionalizing olefin bearing silsesquioxanes |
August 8, 2000 |
| Method is provided for reacting silsesquioxane resins or polyhedral oligomeric silsesquioxanes (POSS) bearing one or more olefinic groups with strong acids to cleave one or more olefin bonds of the olefinic groups to form POSS species of monomers or polymers having one or more functi |
| 6100405 |
Benzothiazole-containing two-photon chromophores exhibiting strong frequency upconversion |
August 8, 2000 |
| There are provided asymmetrical two-photon chromophores of the formula:wherein Ar is selected from the group consisting of ##STR1## wherein Fl is a fluorene group of the formula: ##STR2## wherein R.sub.1 and R.sub.2 are alkyl groups having 2 to 20 carbon atoms, and wherein R.sub. |
| 6090593 |
Isolation of expressed genes in microorganisms |
July 18, 2000 |
| The differential display (DD) technique, widely used previously for eukaryotic gene discovery, is optimized to detect differential mRNA transcription (an expressed gene) from both pure culture and soil derived bacterial RNA. A model system using toluene induction of TodC1 in Pseudomo |
| 6090456 |
Process for large area deposition of diamond-like carbon films |
July 18, 2000 |
| A new method for ion beam deposition of diamond-like carbon coatings onto a variety of substrates is described. A high power, radio frequency excited-inductively coupled ion gun directs a beam of carbon and hydrogen ions at a substrate inside an ultra vacuum deposition chamber. A four ax |
| 6085251 |
Implementing a parallel file transfer protocol |
July 4, 2000 |
| Apparatus and method to improve the speed of electronic file transfer between remote computers by parallel processing. The most common transfer protocol is the File Transfer Protocol (FTP) Though the Internet is the most popular means by which users electronically transport data, the |
| 6078632 |
Minimalized decommunication of serialized telemetry data |
June 20, 2000 |
| A low cost dedicated hardware arrangement for reconstructing successive data frames from for example a commutated telemetry-communicated serial stream of digital and analog data, data which may be of unspecified words per data frame content. Encoding and detection of a word length sy |
| 6072444 |
Adaptable hud mount |
June 6, 2000 |
| A head up display (HUD) mounting assembly (MA) enables the secure, yet flexible mounting of major HUD components within vehicles and particularly within the cockpit of an aircraft. Flexibility is desirable because of slight movement of airframe members during maneuvers and changing t |
| 6070832 |
Ultrasonic angular measurement system |
June 6, 2000 |
| An ultrasonic angular measurement system is disclosed. The system is comprised of three parts, a control box used to collect and process data, an ultrasonic transducer, and a reflector block. The reflector block is configured so that it intercepts transmitted pulses received over a wide |
| 6069840 |
Mechanically coupled helmholtz resonators for broadband acoustic attenuation |
May 30, 2000 |
| A plurality of Helmholtz resonators with varying physical characteristics are mechanically coupled within a structure to drastically reduced acoustic transmission through the structure or along a pipe. These mechanically coupled resonator structures produce much flatter broadband aco |
| 6067391 |
Multiply periodic refractive index modulated optical filters |
May 23, 2000 |
| A high transmission comb-like optical filter structure in wave guiding media is described, an example of which includes multiply periodic modulation of length L=UL.sub.R where U represents an integer number of identical periods of length L.sub.R and L.sub.R is the length of a series |
| 6066865 |
Single layer integrated metal enhancement mode field-effect transistor apparatus |
May 23, 2000 |
| An enhancement mode periodic table group III-IV semiconductor field-effect transistor device is disclosed. The disclosed transistor includes single metallization for ohmic and Schottky barrier contacts, a permanent non photosensitive passivation layer (a layer which has also been used fo |
| 6066246 |
Cylindrical edged microstrip transmission line and method |
May 23, 2000 |
| A method for forming a transmission line arrangement providing control of signal losses through the use of conductor cross-sectional surface area-increasing and skin effect-considered bulbous additions to the rectangular conductor cross-sectional shape frequently used in semiconducto |
| 6064917 |
Method for three-dimensional, inhomogeneity localization in turbid medium using diffuse photon d |
May 16, 2000 |
| Three dimensional localization of a cancer tumor is performed by amplitude-modulated optical radiation producing a time varying photon distribution in the body of the patient examined. The amplitude and phase of the diffuse photon density wave (DPDW) are measured in the detection pla |
| 6064332 |
Proportional Guidance (PROGUIDE) and Augmented Proportional Guidance (Augmented PROGUIDE) |
May 16, 2000 |
| Two new homing guidance laws, designated as proportional Guidance (PROGUIDE) and Augmented Proportional Guidance (Augmented PROGUIDE), have been developed for use against non-maneuvering and maneuvering targets, respectively. These guidance laws are the solutions of linear-quadratic |
| 6061034 |
Power enhancer for solid state switched ultrawideband pulsers and array transmitters |
May 9, 2000 |
| A means is disclosed for increasing the power and field strength radiated by a solid state switched array radiator such as those used for example in ultrawideband radar systems. The incorporation of a specially designed pulsed transmission line is designed to preserve very fast rising pu |
| 6059665 |
Linear ball bearing drive shaft |
May 9, 2000 |
| The drive shaft assembly has a variable length. Each end of the drive shaft assembly has a flange for attaching to whatever is intend thereon such as a gear box drive or fan mount, and a female threaded attachment on the opposite side of the flange. A slide is secured in this attachment. |
| 6059001 |
Apparatus for manufacturing microtubes with axially variable geometries |
May 9, 2000 |
| The present invention is a technique for manufacturing microtube devices which have circumferential geometries repeated either uniformly or nonuniformly along the tube or device axis with sub-micron precision. The preferred manufacturing process involves forming a complex mandrel and |
| 6057417 |
High temperature polymers with low dielectric properties |
May 2, 2000 |
| A polymer system having repeating units of the formula: ##STR1## wherein A is --H or --OH, x has a value of 0.5 to 1.0 and y has a value of 1.0-x, exhibits a high glass transition temperature (T.sub.g) and a low dielectric constant. The polymer system is useful in the area of mic |
| 6056697 |
Pressure catheter calibration chamber |
May 2, 2000 |
| An apparatus and method for calibrating the pressure readings obtained by catheter tip pressure transducers. The apparatus includes a Plexiglas vessel covered by a closure containing eight catheter ports through which the transducers are introduced into the vessel. The vessel is filled w |
| 6055790 |
Thermal conductive insert for sandwich structures |
May 2, 2000 |
| In a sandwich structure having a honeycomb core between a pair of composite face sheets, an insert is provided that passes through such structure. The insert terminates in an opening, flush or below the top face sheet and has a flange which overlaps and contacts the face sheet from below |
| 6049219 |
Signal probing of microwave integrated circuit internal nodes |
April 11, 2000 |
| A microwave integrated circuit internal-node waveform probing arrangement using a portable ungrounded voltage sensing probe and a commercially available transition analyzer instrument are disclosed. Harmonic frequency and phase processing are accomplished on the probe sensed voltage |
| 6049099 |
Cadmium sulfide layers for indium phosphide-based heterojunction bipolar transistors |
April 11, 2000 |
| A novel indium phosphide (InP) based heterojunction bipolar transistor (HBT) is described. A II-VI compound, cadmium sulfide (CdS), is used as the emitter to improve the emitter injection efficiency and reduce recombination losses. The cadmium sulfide emitter is applied following the |
| 6048752 |
Density improvement for planar hybrid wafer scale integration |
April 11, 2000 |
| Chip-like stacks of thinned chips are mounted in wells etched into a substrate. A "chip-like" stack is a stack of chips, which in the aggregate have a height approximately equal to that of a single conventional chip. These chip-like stacks are mounted in a variety of packages. In a p |
| 6048742 |
Process for measuring the thickness and composition of thin semiconductor films deposited on sem |
April 11, 2000 |
| The invention works by taking optical reflectance measurements on the deposited layers at different wavelengths and fitting the measured results to extract the thicknesses and compositions. The process of the present invention simultaneously measures the thicknesses of elemental and bina |
| 6047541 |
HAN TEAN (xm-46) mixing gas generator propellant tank pressurizer for launch vehicles and spacec |
April 11, 2000 |
| A HAN TEAN mixing gas generator pressurization system is proposed for use on pressure-fed rockets. HAN (hydroxyl ammonium nitrate) and TEAN (triethanol ammonium nitrate) are salts dissolved in water to form a single liquid propellant. Combustion of HAN TEAN results in water, carbon d |
| 6040935 |
Flexureless multi-stable micromirrors for optical switching |
March 21, 2000 |
| An array of micromirror devices is fabricated using standard surface-micromachining techniques such that the reflective mirror surfaces are anchored by a trapped joint rather than by rigid support flexures. These devices are therefore multi-stable in actuation rather than continuous |
| 6037068 |
Superconducting metal-ceramic laminate |
March 14, 2000 |
| This invention permits superconducting ceramics, as well as other ceramic materials, to be spray deposited onto indefinitely large sheets of metallic substrate from a carboxylic acid salt solution. Elemental metal precursors of the superconductor are introduced into the solution as c |
| 6034372 |
Pupil stop for multi-band focal plane arrays |
March 7, 2000 |
| A multi-band pupil stop is disclosed for use in multi-band focal plane array imaging systems. The object is to provide similar point spread functions at the focal plane array. The pupil stop is comprised of one or more nested annuli. Each annulus is a pass-band filter with the outermost |
| 6033622 |
Method for making metal matrix composites |
March 7, 2000 |
| Novel processes for fabricating metal matrix composites consisting of discontinuous reinforcing particles in a metal matrix are described. In one aspect, reinforcing particles are coated with a metal matrix material by means of chemical vapor deposition using a volatile metal-containing |
| 6028689 |
Multi-motion micromirror |
February 22, 2000 |
| Provided is a movable micromirror assembly wherein a mirror is mounted on, e.g. four flexible support arms, which are mounted in turn on a center support post. The post and arms resiliently support such mirror over, e.g. four address electrodes. The micromirror device is actuated like a |
| 6027826 |
Method for making ceramic-metal composites and the resulting composites |
February 22, 2000 |
| The invention provides methods to manufacture dense, complex c-axis oriented ceramic oxide layers with thickness greater than 2.5 microns (.mu.m) on a metallic substrate (composites) without the use of an interfacial barrier, buffer, or surface layer using a metalorganic deposition p |
| 6025439 |
Processing of thermoplastic rigid-rod molecular composites |
February 15, 2000 |
| Molecular dispersions of rigid-rod polybenzobisazole polymer/copolymer in thermoplastic matrices in a weight ratio of about 1:99 to 50:50 are prepared by dissolving the rigid-rod polymer in an alcoholic or aprotic solvent, dissolving the thermoplastic polymer in an alcoholic or aprotic |
| 6020724 |
Regulated capacitor charging circuit using a high-reactance transformer |
February 1, 2000 |
| A high-reactance transformer is used in combination with a phase-programmed switch to limit and regulate the surge current loading on an AC power source employed to charge a capacitor energy store. A controller commands the phase-programmed switch, which begins the charging cycle by clos |
| 6020711 |
Multiple winding channel, magnetic coupling-alterable reluctance electrical machines and their f |
February 1, 2000 |
| A reluctance motor/generator system in which a winding failure event in one channel of a multiple channel multiple phased stator assembly is accommodated by removal of the failed winding from the reluctance motor/generator machine's electrical circuit using electrical switching and a |
| 6020226 |
Single layer integrated metal process for enhancement mode field-effect transistor |
February 1, 2000 |
| A method for fabricating an enhancement mode periodic table group III-IV metal semiconductor metal field-effect transistor is described. The disclosed fabrication arrangement uses single metallization for ohmic and Schottky barrier contacts, employs initially undoped semiconductor ma |
| 6018386 |
Oscillatory, optically coupled measurement system |
January 25, 2000 |
| A mechanical oscillator-based physical quantity measurement system is disclosed. The mechanical oscillator is coupled by optical signals to a source of oscillation-sustaining energy and this energy is also time-shared between oscillation sustenance and the generation of oscillation f |
| 6016753 |
Explosive pipe cutting |
January 25, 2000 |
| An explosive material-energized plasticized metal slug cutter for use within tubular cylinders, or pipe or similar structures-especially in buried or otherwise inaccessible locations is disclosed. The cutter includes explosive material initially disposed in a particular hourglass or |
| 6014389 |
Fiber-based continuous wave blue laser source |
January 11, 2000 |
| A compact, continuous-wave blue laser is developed from a fiber made from heavy metal fluorides ("ZBLAN") doped with a rare-earth ion. The footprint required to create blue laser light is reduced because the fiber can be wound into spools of radius <25 mm and stacked one atop the othe |
| 6013520 |
Breast tumor cells for study of nonionizing radiation effects |
January 11, 2000 |
| The cell line EMT-6 are transformed with the chromosomal insertion of the plasmid pSV.sub.2 neoNR10.sub.1, ATCC No. 69617. The transformed cells, EMT-6/pSV.sub.2 neoNR10.sub.1, produce diazoluminomelanin (DALM) intracellularly when provided with nitrate, luminol and 3-amino-L-tyrosin |
| 6010869 |
Method to collect and recover microorganisms from environmental samples |
January 4, 2000 |
| Presented herein is an improved method to collect and recover microorganisms from environmental samples. The method of this invention comprises the steps of (a) obtaining a sample for testing and, optionally, suspending the sample in a suitable liquid, (b) amending the sample with so |
| 6010470 |
Automated retrograde inflation cardiopulmonary resuscitation trousers |
January 4, 2000 |
| A new portable apparatus and method for sequentially pumping blood headward to assist cardiopulmonary resuscitation (CPR) and other medical procedures is disclosed. A pair of autocycling retrograde inflation trousers comprise calf and thigh encircling air bladders and abdomen covering ai |
| 6005305 |
Magnetic voltage-pulser |
December 21, 1999 |
| For several years, there has been interest in obtaining fast-rising, high-voltage pulses to drive particle-beam diodes and antennas in mobile situations. The Magnetic Voltage-Pulser (MVP) is a new device to satisfy this interest. The regime of operation of the basic unit comprises--outpu |
| 6004881 |
Digital wet etching of semiconductor materials |
December 21, 1999 |
| A room temperature wet chemical digital etching technique for, gallium arsenide or other semiconductor material. Hydrogen peroxide and an acid are used in a two step etching cycle to remove the gallium arsenide in approximately 15 .ANG. limited increments. In the first step of the cycle, |
| 6002298 |
Reconstituted frequency modulation with feedforward demodulator |
December 14, 1999 |
| Apparatus and method for estimating the angle-modulation imposed on a transmitted Radio Frequency (RF) or Intermediate Frequency (IF) carrier. The method estimates angle-modulation when communications channels add distortions such as noise to transmitted signals. The system provides |
| 6002132 |
Thermionic thermal detector and detector array |
December 14, 1999 |
| A new kind of thermal detector and thermal imager for infrared radiation. A thermal detector/imager is a device for detecting/imaging in the infrared portion of the electromagnetic spectrum. This produces a video image, where the video brightness is a function of the incident power. The |
| 6000283 |
Testing device for oil flow problems in jet engines |
December 14, 1999 |
| The testing device is mounted on a portable stand so that it is easily placed near the aircraft engine to be tested. A source of pressure air is further required for the testing device. A portable source or a shop source is sufficient. The testing device has an output hose connected to a |
| 5998550 |
Processing of thermoset rigid-rod molecular composites |
December 7, 1999 |
| Molecular dispersions of rigid-rod polybenzobisazole polymer/copolymer in thermosetting matrices in a weight ratio of about 1:99 to 50:50 are prepared by dissolving the rigid-rod polymer in an alcoholic or aprotic solvent, dissolving the thermosetting polymer in an alcoholic or aprotic |
| 5997668 |
Castable TNAZ/nitroaromaticamine composite explosive |
December 7, 1999 |
| The sensitivity to shock initiation of cast 1,3,3-trinitroazetidine (TNAZ) is reduced when an effective amount of at least one nitro-substituted aromatic amine is added to a melt comprising TNAZ. |
