| Patent Number |
Title Of Patent |
Date Issued |
| D383462 |
Remote control device |
September 9, 1997 |
|
| D381637 |
Electronic circuitry housing panel |
July 29, 1997 |
|
| D376350 |
Electronic equipment housing |
December 10, 1996 |
|
| 6440782 |
Radiation-hard silicon cryo-CMOS process suitable for charge-coupled devices, and a device made |
August 27, 2002 |
| A silicon-based radiation-hard cryo-CMOS CCD process suitable for fabrication of devices (100) with sub-micron feature sizes. A re-oxidized nitride/oxide (RONO) layer (49") is preserved in the CCD area (32) while plasma etching is used to define polysilicon 1 gates (50') in the active |
| 6323575 |
High-efficiency rotating coil torque motor |
November 27, 2001 |
| A torque motor includes an annular, cylindrically symmetric, stationary inner support ring having an outer surface, and a plurality of inner permanent magnets affixed to the outer surface of the inner support ring. The torque motor further includes an annular, cylindrically symmetric, |
| 6155704 |
Super-resolved full aperture scene synthesis using rotating strip aperture image measurements |
December 5, 2000 |
| A spinning strip aperture imaging radiometer sensor system and data processing method for synthesizing a super-resolved scene estimate (super-resolved scene) from a plurality of image frames acquired by the strip aperture imaging sensor system. One embodiment of the imaging system co |
| 5987160 |
Method and apparatus for inspecting a photoresist material by inducing and detecting fluorescenc |
November 16, 1999 |
| A method and apparatus for inspecting a substrate having a surface on which a photoresist material has been deposited. The apparatus preferably includes a device for transporting substrates through an illumination beam such that the edges of the substrates are sequentially irradiated by |
| 5943386 |
High-speed synchronous counter circuitry |
August 24, 1999 |
| Digital counter register stages are constructed as two-to-one mux registers, each employing a multiplexer stage having first, second, and third inputs and an output connected to the switching signal input of a D-type flip-flop, whose Q output comprises a first input to the multiplexe |
| 5916703 |
Energy storage cell with hydrogen vent |
June 29, 1999 |
| A nickel-hydrogen energy storage cell includes a hermetic pressure vessel having a wall made of a nickel-base alloy, and a hollow tube made at least in part of palladium and joined to the wall of the pressure vessel such that an interior of the hollow tube is in communication with an int |
| 5913889 |
Fast response Joule-Thomson cryostat |
June 22, 1999 |
| A cryostat (10') with a heat exchanger (13'); a valve (25') for controlling the flow of fluid through said heat exchanger (13'); and a snap disk (30') for actuating the valve (25'). In a specific embodiment, the snap disk (30') is constructed of at least two different materials (32', 34' |
| 5903005 |
Aspherical elements for infrared imaging system |
May 11, 1999 |
| In a thermal imaging unit (12) including optics (16,18) for detecting a target scene (14), a detector array (26) responsive to target scene energy and a scanner (23) for scanning target scene energy from the target (14) onto the detector array (26), an imager lens assembly (120) for focu |
| 5885906 |
Low PIM reflector material |
March 23, 1999 |
| A mesh material for a spacecraft antenna reflector is disclosed. The mesh material has a base material made from a dielectric fabric. A conductive material, such as nickel, is applied to the dielectric mesh. The type and thickness of the conductive material is adjusted to regulate the fi |
| 5856811 |
Visual display and helmet assembly |
January 5, 1999 |
| A visual display and helmet assembly is configured to function in the presence of a harsh environment, e.g., high wind, vibration and shock and strong ambient light. The visual display preferably includes a transmissive liquid-crystal display to reduce the display's size and to enhan |
| 5854601 |
Methods for estimating the number of emitters and their parameters |
December 29, 1998 |
| A method for estimating the number of emitters of intermittent or periodic pulsed energy waveforms received at a sensor location and the parameters of the intermittent or periodic energy waveforms, including: accumulating over a selected period of time output of the sensor, the output co |
| 5841384 |
Non-linear digital-to-analog converter and related high precision current sources |
November 24, 1998 |
| A digital-to-analog converter (DAC) for generating a high-precision analog output signal corresponding to a non-linear function, such as a sine function, of a digital input quantity, without the need for large numbers of precision current generators. Binary weighted current sources provi |
| 5841218 |
Laser head having a conductively cooled flashlamp |
November 24, 1998 |
| A conductively cooled flashlamp (30) for use solid state lasers. The flashlamp (30) has an elongated heat sink (31) with a reflective center channel (32), and a flashlamp tube (12) disposed in the channel (32) that extends beyond the ends of the channel (32). Heat conducting gaskets (37a |
| 5838816 |
Pattern recognition system providing automated techniques for training classifiers for non stati |
November 17, 1998 |
| An improved pattern recognition system. The invention operates on a plurality of feature vectors from a single class of data samples. The inventive system estimates a pruning radius for the feature vectors in the single class of data samples and generates a replacement class therefrom |
| 5836165 |
Adaptive feedforward vibration control system and method |
November 17, 1998 |
| An adaptive feedforward vibration control system reduces vibrations at fundamental and harmonic frequencies of matched reciprocating pistons, such as back-to-back compressor pistons in Stirling cycle cryocooler, by driving the pistons with correction signals. The system is also applicabl |
| 5834971 |
RF amplifier including traveling wave tube with sequential stages |
November 10, 1998 |
| Multiple gain stages are provided in a single traveling wave tube amplifier (TWTA). Each gain stage comprises an interaction circuit, an associated RF input, and an associated RF output. The gain stages are separated by a drift length that is selected to achieve a desired interaction bet |
| 5832008 |
Eyesafe laser system using transition metal-doped group II-VI semiconductor as a passive saturab |
November 3, 1998 |
| An eyesafe laser system includes a Q-switch crystal formed of a semiconductor host material having noncentrosymmetric tetrahedral substitutional sites doped with transition metal ions in concentrations from about 0.001 to about 0.10 atomic percent, which functions as to be a saturabl |
| 5828698 |
Data flow management method for CDPD demodulator operating without CDPD clock |
October 27, 1998 |
| An efficient and power-saving method of converting serial in-phase (I) and quadrature-phase (Q) symbols at the IS-54 standard symbol rate, to time-aligned IQ pairs at the CDPD standard symbol rate. A FIFO buffer stores the serial in-phase (I) and quadrature-phase (Q) symbols at the I |
| 5828419 |
Method and apparatus for generating television program guides utilizing icons |
October 27, 1998 |
| An apparatus for generating an on-screen television program guide. The apparatus generates a program guide including program source information and program event information for a plurality of program sources. The apparatus also generates and displays icons adjacent the program event |
| 5828338 |
Thyratron switched beam steering array |
October 27, 1998 |
| A beam steering array that comprises a high voltage source for providing high voltage pulses and a plurality of high voltage switches coupled between the high voltage source and a plurality of microwave sources. Each of the microwave sources are coupled to an antenna element. A trigger |
| 5828078 |
Electrostatic discharge protection using high temperature superconductors |
October 27, 1998 |
| The present invention presents an electrostatic discharge and power surge protected circuit board (10) and method for providing an electrostatic discharge and power surge protected circuit board. The protected circuit board (10) includes temperature sensitive conducting material (14) and |
| 5826831 |
Satellite co-location methods |
October 27, 1998 |
| A geostationary orbital box is divided by radially-oriented planes to form orbital sub-boxes. A thruster system facilitates station keeping satellites in each of these orbital sub-boxes. The thruster system includes thruster pairs that are positioned on an anti-nadir face of each sat |
| 5822818 |
Solvent resupply method for use with a carbon dioxide cleaning system |
October 20, 1998 |
| A method of replenishing liquid carbon dioxide solvent in a liquid carbon dioxide dry cleaning system or other dense phase carbon dioxide cleaning system. The method uses dry-ice or solid carbon dioxide, as a replenishing stock, thus reducing transportation, storage and handling costs. T |
| 5822127 |
Low-cost light-weight head-mounted virtual-image projection display with low moments of inertia |
October 13, 1998 |
| A head-mounted display device (10) offers light weight, a low center of gravity, and low moments of inertia about the azimuthal and elevational axes of head movement. The display device (10) employs an angulated beam splitter mirror (16) disposed between a user's (22) eye (20) and an inn |
| 5820079 |
Mechanism for mounting and actuating a momentum wheel with high vibration isolation |
October 13, 1998 |
| An apparatus for mounting a momentum wheel assembly (10) to a spacecraft (54). The momentum wheel assembly (10) includes a momentum wheel which has a primary spin axis coinciding with the primary spin axis of the spacecraft and spins in a direction opposite that of the spacecraft (54). |
| 5816540 |
Optimal solar tracking system |
October 6, 1998 |
| A spacecraft traveling in a volume of space receiving radiation from the sun and encountering an undesired force. The spacecraft has a solar panel movably attached to said spacecraft. The spacecraft further includes a solar panel controller which controls the movement of the solar panel, |
| 5813742 |
Layered display system and method for volumetric presentation |
September 29, 1998 |
| A volumetric display system includes a display member which has a plurality of electrically-responsive optical shutters arranged in a layered relationship. The optical shutters include layers of a liquid crystal which preferably can be formed in geometric shapes which enhance the vol |
| 5812935 |
Cellular system employing base station transmit diversity according to transmission quality leve |
September 22, 1998 |
| A cellular system has base stations in which diversity transmission is controllably employed to improve voice communications as needed. Normal signal transmission is employed in each voice channel unless it is detected that quality has dropped to a point where diversity transmission |
| 5809463 |
Method of detecting double talk in an echo canceller |
September 15, 1998 |
| A method of detecting double talk in an echo canceller is provided. The method includes determining far end, near end and echo signal cancelled power, determining the presence of near end, maybe near end and far end speech, and controlling an echo suppressor and filter coefficient update |
| 5807466 |
Fuel injection system and method for treatment of NO.sub.x in a corona discharge pollutant destr |
September 15, 1998 |
| In a gaseous pollutant destruction apparatus employing a corona discharge reactor for reducing nitrogen oxide compounds (NO.sub.x), a fuel injection system provides a precisely controlled small quantity of hydrocarbon fuel to the corona discharge reactor to facilitate the destruction of |
| 5801751 |
Distribution of satellite television programs to passengers in an aircraft when it is out of ran |
September 1, 1998 |
| Systems that distribute live television programs to passengers of an aircraft by way of satellites of a direct broadcast satellite (DBS) system when the aircraft is in range of the satellites and distributes time-delayed television programs when the aircraft is out of range of the sa |
| 5801556 |
Low voltage CMOS FPA interface |
September 1, 1998 |
| A circuit for interfacing between the output voltage terminals of a focal plane array (FPA) detector and subsequent digital processing circuitry and employing a differential circuit including respective resistors to create first and second input currents and a control circuit to adjust t |
| 5799899 |
Error detector apparatus with digital coordinate transformation |
September 1, 1998 |
| An error detector apparatus (42) producing a signal used in the computation of a missile guidance signal in an aircraft-based missile guidance and tracking system. The error detector apparatus (42) incorporates means (146), (148), (150), (152), and (154) for producing a first envelope |
| 5796771 |
Miniature self-pumped monolithically integrated solid state laser |
August 18, 1998 |
| The present invention is an integrated, diode laser-pumped, solid state lr which can be fabricated entirely with semiconductor fabrication techniques. The laser includes a substrate, a semiconductor light source grown over the substrate to provide pump light and a solid state laser |
| 5796504 |
Fiber-optic telemetry system and method for large arrays of sensors |
August 18, 1998 |
| A telemetry system for receiving data from large arrays of sensors, in which the sensors are located in an unprotected environment, is implemented using fiber optic components. Laser sources, located in a protected environment, transmit light through the boundary separating the prote |
| 5796488 |
Optical target alignment and technique |
August 18, 1998 |
| The invention resides in a method of measuring position and angle comprising the steps of providing a tooling telescope, a transparent target surface and an alignment target having a light reflecting face confronting the telescope. The light reflecting face being defined by a recess |
| 5794892 |
Critical nutation dampling on spinning bodies via momentum wheels or similar devices |
August 18, 1998 |
| A method and system of damping nutation of a spacecraft (20) having a desired spin axis along a first principal inertia axis utilizes a momentum source (28) oriented along a second principal inertia axis perpendicular to the first principal inertia axis. An angular rate of the spacecraft |
| 5790722 |
High power optical fiber amplifier/laser system |
August 4, 1998 |
| A high power Er-doped fiber amplifier/laser system includes a cladding-pumped fiber grating laser that emits an output beam at a wavelength that falls within an absorption band of erbium. The fiber grating laser output beam is used as the pumping source for an Er-doped fiber amplifie |
| 5790601 |
Low cost very small aperture satellite terminal |
August 4, 1998 |
| A remote ground terminal transmitter for transmitting a modulated data signal having a constant envelope amplitude. The remote ground terminal transmitter comprises a source of data signals, a modulator for providing a carrier signal, receiving a data signal from the source of data signa |
| 5790566 |
Method and device for depuncturing data |
August 4, 1998 |
| A circuit and method for depuncturing data in the receiver circuitry of a digital communications system. The depuncturing circuit includes a multiplexer circuit that receives a punctured stream of data and a delayed version of the punctured stream of data. The multiplexer circuit generat |
| 5790474 |
Active sonar for under-ice conditions |
August 4, 1998 |
| Active sonar apparatus, especially adapted for detecting submarine targets under ice, includes means for providing first and second pulsed, underwater acoustic signals respectfully having a high frequency, f.sub.H, and a low frequency, f.sub.L. The high frequency, f.sub.H, is selected fo |
| 5786739 |
Integrated evanescent mode filter with adjustable attenuator |
July 28, 1998 |
| A waveguide evanescent mode filter is integrated with a monolithic microwave integrated circuit (MMIC) by forming both the MMIC circuitry and the waveguide filter on a single substrate that forms a common ground plane for both elements. The waveguide has a superstructure with an inte |
| 5786107 |
Battery system with a high-thermal-conductivity integral structural support |
July 28, 1998 |
| A battery system includes a battery cell having a cylindrical battery cell housing and a housing support external to the battery cell housing. The housing support is formed of an electrical insulator layer contacting the cylindrical external surface of the battery cell housing, and a hea |
| 5784905 |
Liquid carbon dioxide cleaning system employing a static dissipating fluid |
July 28, 1998 |
| An improved liquid carbon dioxide dry cleaning system containing an improved dry cleaning fluid. The dry cleaning fluid contains an antistatic agent for dissipating static charge on members or garments generated by friction during cleaning thereof. The concentration of the antistatic |
| 5783984 |
Method and means for combining a transformer and inductor on a single core structure |
July 21, 1998 |
| In a prefer embodiment, an integrated transformer and inductor on a singe core structure to provide an impedance matching function and an inductor in series with the transformer's secondary which includes: a transformer core structure having a primary leg, a secondary leg, and a center l |
| 5783944 |
Processing method for estimation of magnetizable object or source |
July 21, 1998 |
| A processing method that estimates the size and structural features of a magnetizable object or source from readings provided by an array of magnetic sensors. Using the method, an array of magnetic sensors generates magnetic reading derived from the source that are processed by selecting |
| 5781540 |
Device and method for communicating in a mobile satellite system |
July 14, 1998 |
| The present invention relates to a device and a method for communicating in a mobile communication system. The method provides a carrier signal having a plurality of frames. Each frame has a plurality of time slots, and each time slot comprises a plurality of transmission bits. A group o |
