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Assignee: BAE Systems Information and Electronic Systems Integration Inc.


Location: Nashua, NH
No. of patents: 239

1            
NumberTitleIssue Date
7972908Method of switching off a monolithically integrated optically controlled thyristor
A method of switching-off a monolithically integrated light-activated thyristor structure in an n-p-n-p-n-p sequence is herein presented. In the method a monolithically integrated semiconductor thyristor structure is illuminated through an optical aperture to convey...
07/05/2011
7970357Transponder with stabilized oscillator
A coherent RFID tag design having no internal power source is disclosed. The design exhibits a longer detection range and less interference relative to conventional tag designs. The coherent RFID tag design operates in a locked or stabilized fashion, in that the fre...
06/28/2011
7967237Method and apparatus for fast deploying and retrieving of towed bodies
In a method and apparatus for controlling the deployment of a towline connecting a mooring craft to an ejected object comprising the steps of monitoring velocity to determine when a point for optimum braking has been achieved and then engaging a brake system to reta...
06/28/2011
7965098Hardened current mode logic (CML) voter circuit, system and method
A current mode logic voter circuit includes three two-input split NOR gates. Each two-input split NOR gate receives a corresponding pair of input signals and generates a pair of first output signals responsive to the input signals. A three input split NOR gate is co...
06/21/2011
7944559Airborne hyperspectral imaging system
A hyperspectral imaging system has fore-optics including primary, secondary and tertiary fore-optics mirrors, and an imaging spectrometer including primary, secondary and tertiary spectrometer mirrors. Light from a distant object is collected by the primary fore-opt...
05/17/2011
7528764Through the wall ranging with triangulation using multiple spaced apart radars
A plurality of multi-tone CW radars are used to generate a swath of ranges to a moving object or individual behind a wall or building structure in which the overlap of the range swaths from spaced-apart radars determines the location of the moving object or individu...
05/05/2009
7525482Mitigation of array factor distortions for GPS and broadband reception
An adaptive antenna system may be used with a GPS system to improve operation in the presence of interference signals. A resulting adapted antenna pattern will cause array pattern distortions affecting GPS satellite signals received at some signal arrival angles. By...
04/28/2009
7520463Method and apparatus for fast deploying and retrieving of towed bodies
In a method and apparatus for controlling the deployment of a towline connecting a mooring craft to an ejected object comprising the steps of monitoring velocity to determine when a point for optimum braking has been achieved and then engaging a brake system to reta...
04/21/2009
7518804Singlet telescopes with controllable ghosts for laser beam forming
A singlet telescope is provided for reshaping the laser beam to a larger or smaller diameter while maintaining the inherent quality of the beam. Applications for the singlet telescope include intercavity expansion to accommodate the damage thresh-old of various comp...
04/14/2009
7518464Method and apparatus for digital synthesis of microwaves through balanced transmission line structures
Conductor segments are positioned within a transmission line structure in order to generate microwave pulses. The conductor segments are switchably coupled to one or the other of the transmission lines or to each other, in parallel with the transmission line structu...
04/14/2009
7515110Vehicular multiband antenna
A coaxial antenna is implemented that combines a VHF and UHF antenna on a common radiating element. The antenna may further include a satellite antenna that, together with the VHF/UHF antenna fits into a whip antenna footprint. ...
04/07/2009
7508875Correlation matrix estimation via adaptive array perturbational processing to enable jammer location
Prior adaptive antenna systems can reduce effects of a jamming or interfering signal by reducing antenna gain in the direction of such signal. However, direction finding capability to enable location of the source of such signal in order to permit corrective or othe...
03/24/2009
7508855Compact high output power mid-infrared emitter system and method
A mid-infrared emitter sub-system includes a heat sink and a diamond thermal diffusion layer connected to the heat sink through a first thermal bonding layer. The first thermal bonding layer has a first melting point. A semiconductor slab portion of a semiconductor ...
03/24/2009
7508840Mobile temporary incident area network for local communications interoperability
An ad hoc emergency interoperability communication network is established by providing universal temporary incident area network modules that communicate with each other on an open network, with the network being established when vehicles containing the temporary in...
03/24/2009
7505693Miniature waveform modulator with full pulse by pulse timing control
A miniature waveform modulator is provided to modulate an infrared laser. The miniature waveform modulator outputs a pulse train having different and specified pulse widths, with the pulse train used to modulate the laser. In one embodiment, the pulse train extends ...
03/17/2009
7495878Decoupling capacitor control circuit and method for enhanced ESD performance
A decoupling capacitor control circuit is configured to be coupled between supply voltage and reference voltage planes. The control circuit includes a decoupling capacitor having a first node configured to be coupled to the supply voltage plane and having a second n...
02/24/2009
7495824Infrared waveguide optical parametric oscillator
An integrated broad spectral band waveguide optical parametric oscillator (OPO) is disclosed. In accordance with a preferred embodiment of the present invention, a single pump laser is used to drive multiple oscillator (OPO) channels. The waveguide OPO is preferably...
02/24/2009
7491938Multi-spectral uncooled microbolometer detectors
A process and system for a medium wave infrared (MWIR) uncooled microbolometer focal plane array (FPA). One embodiment is for a single MWIR band uncooled IR detector, wherein the design and fabrication utilizes standard silicon processing techniques reducing manufac...
02/17/2009
7489351Dynamic range extension for focal plane arrays
An optical detector uses an auxiliary integrating capacitor is used to determine the optical flux rate when the charge on the well capacitor approaches or reaches linear saturation. The voltage across the primary linearly operating integrating well capacitor is moni...
02/10/2009
7486722Bandwidth efficient cable network modem
A MUD enabled cable modem that provides efficient use of cable television network bandwidth in the presence of interference and noise is disclosed. The modem design provides for compatibility with existing network hardware and protocols so that bandwidth efficient m...
02/03/2009
7485887Passive alignment of photodiode active area in three axes using microscopic focus
A fixturing system and microscope/video camera setup enables an operator to manipulate a photodiode into position optically using known good targets for the X and Y location and using microscope focus/defocus/refocus for locating the active area of the avalanche pho...
02/03/2009
7485860Thermoelectric bridge IR detector
An IR detector for use in an array of detectors is provided with better thermal resolution resulting in increased range and increased contrast for a standard 30 frame per second frame rate includes a support structure for the detector made from thermoelectric materi...
02/03/2009
7483339Acoustic projector and method of manufacture
An underwater acoustic projector comprising one or more cylindrical shell segments (8), each shell segment (8) having an even number of drivers (10) mounted therein, and the method of manufacturing said projector. The shell segments (8) p...
01/27/2009
7483271High density card retention device
A two-part, high-density card retention system includes a tapered channel in a chassis or housing and a mating wedge that runs the length of the housing, with the lead wedge being cammed towards a flat channel surface by drawing the wedge inwardly and locating the e...
01/27/2009
7480461Data processing network having an optical network interface
An optical data processing network having an optical network interface is disclosed. The optical data processing network includes a first multi-processor system and a second multi-processor system. The first multi-processor system includes a first set of processors ...
01/20/2009
7468904Apparatus for hardening a static random access memory cell from single event upsets
A single event upset (SEU) hardened memory cell to be utilized in static random access memories is disclosed. The SEU hardened memory cell includes a first inverter and a second inverter connected to each other in a cross-coupled manner. The SEU hardened memory cell...
12/23/2008
7464360Common interface framework for developing field programmable device based applications independent of a target circuit board
A multi-level framework that allows an application to be developed independent of the chip or board, and any dependency is built in as part of the framework of the field programmable device (FPD). According to one embodiment, a field programmable device (FPD) compri...
12/09/2008
7453400Multiplatform TDOA correlation interferometer geolocation
A radio geolocation system is described in which a plurality of moving platforms such as aircraft concurrently receive a signal from a remote transmitter and the geolocation of the transmitter is determined. At each platform every thirty seconds a plurality of sampl...
11/18/2008
7429016Method and apparatus for fast deploying and retrieving of towed bodies
In a method and apparatus for controlling the deployment of a towline connecting a mooring craft to an ejected object comprising the steps of monitoring velocity to determine when a point for optimum braking has been achieved and then engaging a brake system to reta...
09/30/2008
7427954Method and apparatus for direction finding
A direction finding system is used in which a number of adjacent bands are sequentially measured in fast rotation, with the results from each of the bands being FFT processed to provide amplitude and phase information on all of the signals existing within the band. ...
09/23/2008
7424845Active armor
An active armor system which includes an outer and an inner armor layer with a medial space between these inner and outer armor layers layer. One or more relatively small shaped charges are positioned on the inner armor layer in the medial space. If the outer armor ...
09/16/2008
7418692Method for designing structured ASICS in silicon processes with three unique masking steps
A multi-function core base cell includes a set of functional microcircuits. These microcircuits are used to design a Library of Logic Function Macros. The functional macros consisting of one or more microcircuits have a fixed and complete physical layout similar to ...
08/26/2008
7417597GPS antenna systems and methods with vertically-steerable null for interference suppression
Ground based GPS antennas for differential applications may be subject to intentional or other interference signals incident at low elevation angles. Described GPS antenna systems are usable to provide an antenna pattern having a vertically-steerable null. An array ...
08/26/2008
7414466Apparatus for reducing offset voltage drifts in a charge amplifier circuit
An apparatus for reducing offset voltage drifts in a charge amplifier circuit is disclosed. The apparatus includes a charge amplifier circuit and a bias current compensation circuit. The bias current compensation circuit supplies bias current to lower any offset vol...
08/19/2008
7413958GaN-based permeable base transistor and method of fabrication
An etched grooved GaN-based permeable-base transistor structure is disclosed, along with a method for fabrication of same. ...
08/19/2008
7408410Apparatus for biasing a complementary metal-oxide semiconductor differential amplifier
A bias generation circuit for biasing a differential amplifier is disclosed. The bias generation circuit is coupled to the differential amplifier. After determining a common-mode voltage of a pair of differential outputs from the differential amplifier, the bias gen...
08/05/2008
7406120Transmission channel impulse response estimation using fast algorithms
Channel impulse response estimation employs a training sequence to enable correction for multipath and other disturbances affecting a signal during transmission via a digital wireless communication channel. High-speed packet transmission rates, with a training seque...
07/29/2008
7404268Precision targeting system for firearms
A precision targeting system for a firearm has an image capturing scope, a processor, and an actuator. In one embodiment, a user indicates when he wants to lock onto the target, and then readjust his aim after receiving feedback from the system. In another embodimen...
07/29/2008
7391355Single platform geolocation method and apparatus
A geolocation system and method uses a single platform for determining a Doppler measurement set of a targeted aircraft or signal of interest. The electronic warfare aircraft and the ejected aircraft expendables technology device determine the Doppler measurement se...
06/24/2008
7379530Method and apparatus for the safe and rapid detection of nuclear devices within containers
A safe, reliable and rapid system for the detection of nuclear materials within containers includes the use of pulsed high-intensity gamma rays that can penetrate a container and its contents and can be detected outside the container to provide a display in which hi...
05/27/2008
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