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Raytheon Company patents


Recent patent applications related to Raytheon Company. Raytheon Company is listed as an Agent/Assignee. Note: Raytheon Company may have other listings under different names/spellings. We're not affiliated with Raytheon Company, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Raytheon Company-related inventors


 new patent  Scheduling access to a shared medium

Generally discussed herein are systems, devices, and methods for scheduling node performance of communication and/or function. A method can include receiving, from a plurality of nodes, parameters indicating a trajectory and position of each of the plurality of nodes, creating a directed communication graph, creating a communications conflict graph, creating a function conflict graph indicating which function performed by one node of the plurality of nodes interferes with at least one of a function and communication performed by another node of the plurality of nodes, creating a universal conflict graph based on the communications conflict graph and the function conflict graph, creating a schedule for communication and function performance for each of the nodes based on the universal conflict graph, and providing data indicative of the schedule to nodes of the plurality of nodes.. ... Raytheon Company

 new patent  System and method for address-mapped control of field programmable gate array (fpga) via ethernet

A method includes receiving, at a field programmable gate array (fpga), one or more ethernet packets of a message including control or status information associated with the fpga. The method also includes determining, by the fpga, a payload of each packet by removing at least one ethernet header from the packet. ... Raytheon Company

 new patent  Receivers and method for detecting a non-persistent communication superimposed on an overt communication channel

Aspects are generally directed to optical receivers and methods for detecting a non-persistent communication superimposed on an overt communication channel. In one example, an optical receiver includes an optical resonator to receive an optical signal having one or more symbols encoded thereon at a modulated symbol repetition rate, the modulated symbol repetition rate being modulated relative to a nominal symbol repetition rate. ... Raytheon Company

 new patent  Impedance transformer

A transmission line impedance transformer including at least two different dielectric media having different dielectric properties, each of the dielectric media being configured to taper in thickness along the length of the impedance transformer in an inverse relationship with respect to each other so as to form a combined dielectric medium having an effective dielectric property that is graded along the transmission path. The two or more dielectric media may be disposed between two conductors to provide an impedance transformer in which a characteristic impedance of the transmission line varies along its length in response to the gradation of the effective dielectric property of the combined dielectric medium.. ... Raytheon Company

 new patent  Data structure endian conversion system

A system that provides a service via a computer networking protocol converts input data from one endian type to another endian type according to a specified format of the input data. A method for converting data from one endian type to another endian type includes receiving a first data message having a plurality of data words via a computer networking protocol, stepping through a plurality of data format definitions of a data format specification that defines a data format of each of the plurality of data words according to a data type of the first data message while stepping through the plurality of data words at intervals according to the data format of each of the plurality of data words, converting a first data word of the plurality of data words from one endian type to a corresponding second data word of another endian type by byte swapping bytes of the first data word according to the data format of the first data word, and transmitting a second data message having the second data word via the computer networking protocol.. ... Raytheon Company

 new patent  Method and system for extracting concepts from research publications to identify necessary source code for implementation

A technique is described including taking a research paper of interest (target paper) and identifying concepts within it based on topic analysis among bibliometric clusters; identifying descriptions of each concept across bibliometric clusters wherein the descriptions will be of varying levels of granularity and will use different terms to describe the same concept or phenomena; using the various descriptions of a concept to create search terms to be used in a repository of annotated, searchable source code snippets; and constructing implementation of target paper's methodologies using source code snippets.. . ... Raytheon Company

 new patent  Optical pulse contrast improvement using nonlinear conversion

A laser radar (ladar) system includes a laser transmitter configured to (i) emit laser pulses at a first wavelength and (ii) emit amplified spontaneous emission (ase) in a spectrum concentrated around the first wavelength. The ladar system also includes a non-linear converter configured to (i) convert the laser pulses to a second wavelength and (ii) allow the ase to remain substantially unconverted in the spectrum concentrated around the first wavelength. ... Raytheon Company

 new patent  Multi-receiver geolocation using differential gps

A system for multi-ship geolocation of a signal emitter of interest uses differential gps (dgps) to determine the relative positions of two or more receivers in order to determine baseline vectors between them. The geolocation of the signal emitter is then determined as a function of the baseline vectors. ... Raytheon Company

Wafer level package solder barrier used as vacuum getter

An electronic device and methods of manufacture thereof. One or more methods may include providing a lid wafer having a cavity and a surface surrounding the cavity and a device wafer having a detector device and a reference device. ... Raytheon Company

Pixel-based event detection for tracking, hostile fire indication, glint suppression, and other applications

A method includes generating an intensity value based on illumination received at a pixel of an imaging system. The intensity value is generated by integrating values using a first counter of a detector during a first period of time. ... Raytheon Company

Processing system clock and messaging synchronization

A system includes a first simulated processing system having a first clock and a second simulated processing system having a second clock. The first and second processing systems may operate asynchronously. ... Raytheon Company

All-reflective solar coronagraph sensor and thermal control subsystem

An all-reflective coronagraph optical system for continuously imaging a wide field of view. The optical system can comprise a fore-optics assembly comprising a plurality of mirrors that reflect light rays, about a wide field of view centered around the sun, to an aft-optics assembly that reflects the light rays to an image sensor. ... Raytheon Company

Phase difference estimator and method for estimating a phase difference between signals

Embodiments of a phase difference estimator and method are generally described herein. The phase difference estimator includes a delay element to delay a reference clock signal that includes an alternating symbol waveform by one of a plurality of delay values. ... Raytheon Company

Non-rotating flexure bearings with enhanced dynamic stability for cryocoolers and other devices

A system includes a device, a support structure, and a flexure bearing configured to connect the device to the support structure. The flexure bearing includes an outer hub and an inner hub, where the hubs are configured to be secured to the support structure and to the device. ... Raytheon Company

08/09/18 / #20180222826

Solid state materials with tunable dielectric response and rotational anisotropy

A reconfigurable polar molecule includes a symmetric nonpolar molecule portion having an elongated shape defined by a longitudinal axis and lateral axis, the longitudinal axis being longer than the lateral axis; a positive ionically charged group at a first end and a negative ionically charged group at a second end of the longitudinal axis, the positive and negative ionically charged groups forming a permanent dipole; a first bridging group and a second bridging group on opposing ends of the lateral axis, the first and second bridging groups being linear nonpolar groups; and a first support portion bonded to the first bridging group, and a second support portion bonded to the second bridging group, the first bridging group and the second bridging group being nonpolar and having structures that enable free rotation of the symmetric nonpolar molecule portion through the first bridging group and the second bridging group.. . ... Raytheon Company

08/09/18 / #20180222825

Method for material packaging and developing rotationally anisotropic materials

A support structure for a reconfigurable molecule includes a first support portion having a first mounting region; a second support portion having a second mounting region; and a rotatable molecule anchored between the first support portion and the second support portion on the first mounting region and the second mounting region, the rotatable molecule having an internal rotational axis extending from the first mounting region to the second mounting region; wherein the first support portion and the second support portion are mirror images of one another.. . ... Raytheon Company

08/02/18 / #20180219705

Low cost and low frequency baseband two-tone test set using direct digital synthesizers as signal generators and a fully differential amplifier as the power combiner

A test set system and related method are provided comprise a first direct digital synthesizer (dds) having a balanced output configured to produce a first signal, and a second dds having a balanced output signal configured to produce a second signal that differs from the first signal. The test set system also comprises a fully differential amplifier (fda) having a balanced input that is connected to the balanced output of the first dds and the balanced output of the second dds, and a balanced output at which a combination of the first signal and the second signal is provided that suppresses even-order intermodulation products.. ... Raytheon Company

08/02/18 / #20180216992

Burnout protection for optical sensors

A method and apparatus for protecting an optical sensor is disclosed. A fixed filter having a fixed passband for light transmission is placed in front of the optical sensor. ... Raytheon Company

08/02/18 / #20180216915

System for aligning target sensor and weapon

A system for aligning a weapon to a high-performance target sensor. A reference measurement sensor installed on the target sensor measures the direction and range to each of several references points on the weapon. ... Raytheon Company

08/02/18 / #20180216898

Wedge-based heat switch using temperature activated phase transition material

A wedge-based heat switch includes a plurality of wedge segments on a shaft, an energy storage element (e.g., a spring or pressurized cavity) configured to store (and release) energy via compression or expansion of the element along the shaft and a temperature activated phase transition material. A temperature stimulus activates the phase transition material to release the stored energy and move the wedge segments axially along the shaft to expand or contract the plurality of wedge segments. ... Raytheon Company

07/26/18 / #20180212393

Planar waveguide (pwg) amplifier-based laser system with adaptive optic wavefront correction in low-power beam path

A system includes a master oscillator configured to generate a low-power optical beam. The system also includes a planar waveguide (pwg) amplifier configured to amplify the low-power beam into a high-power output optical beam, where the pwg amplifier has a larger dimension in an unguided direction and a smaller dimension in a transverse guided direction. ... Raytheon Company

07/26/18 / #20180210071

Covert sensor

A system for covert sensing. A broadband light source is split into two portions, a first portion of which illuminates a target, and a second portion of which is frequency shifted, e.g., by an acousto-optic frequency shifter. ... Raytheon Company

07/26/18 / #20180209765

Method and apparatus for variable time pulse sampling

Methods and apparatus for variable time sampling of optical pulses by a unit cell are disclosed. The methods may include detecting whether an amplitude of an optical pulse incident on one or more photo-detecting elements exceeds a sampling threshold, and while the pulse amplitude remains above the sampling threshold, iteratively sampling the optical pulse at a sampling rate that varies based on changes in the pulse amplitude.. ... Raytheon Company

07/26/18 / #20180209475

Flexural pivot

A flexural pivot is disclosed. The flexural pivot can include a first flexure support member, a second flexure support member rotatably coupled to the first flexure support member for relative rotation about a first axis, and a third flexure support member rotatably coupled to the second flexure support member for relative rotation about a second axis. ... Raytheon Company

07/26/18 / #20180209308

System and method for free-piston power generation based on thermal differences

An apparatus includes a generator configured to generate electrical power. The apparatus also includes first and second tanks each configured to receive and store a refrigerant under pressure. ... Raytheon Company

07/19/18 / #20180206371

Electronic component removal device

An electronic component removal device comprising a cutting wire routed through a cutting region configured to receive an electronic component coupled to a substrate. The electronic component removal device can also include a leading actuator coupled to a leading end of the cutting wire to cause movement of the cutting wire in a cutting direction at a cutting speed. ... Raytheon Company

07/19/18 / #20180205391

Resolver to digital conversion apparatus and method

A resolver to digital converter is provided and includes first and second inputs to receive signals from a resolver and an output to provide an estimated angle of a rotor. The sine component signal is multiplied by the cosine of the estimated angle and the cosine component signal is multiplied by the sine of the estimated angle, and a difference between them is calculated to provide an error measurement. ... Raytheon Company

07/19/18 / #20180204940

Group iii - nitride double-heterojunction field effect transistor

A semiconductor structure having a buffer layer, a pseudomorphic, impurity doped, back-barrier layer disposed on the buffer layer, a channel layer disposed on the back-barrier layer, the channel layer lattice matched to the buffer layer, and a top barrier layer disposed on the channel layer. A group iii-nitride transition layer is disposed between the buffer layer and the pseudomorphic back-barrier layer. ... Raytheon Company

07/19/18 / #20180203094

Emitter geolocation using sorted observations

A receiver operable to determine a geolocation of a radio emitter is disclosed. The receiver can identify a set of observations derived from signals emitted by the radio emitter. ... Raytheon Company

07/19/18 / #20180203091

Reconfigurable analog-to-digital conversion sampling of antennas for phase interferometry

All of a plurality of analog-to-digital converters (adcs) each operating in a first mode of operation within a spectrum of interest sample a signal received at one of a plurality of antennas, with the outputs of the adcs processed to detect signals of interest based on a threshold. For each of the plurality of antennas, a corresponding one of the plurality of adcs operating in a second mode of operation samples signals received at the one of the antennas such that signals received are sampled at all of the plurality of antennas, with the outputs of the adcs processed to calculate an angle of arrival for at least one detected signal of interest using phase interferometry. ... Raytheon Company

07/19/18 / #20180200853

Machine tool chip removal

A machine tool chip removal device including a coupling interface to couple with a rotatable spindle of a machine tool to facilitate rotation of the machine tool chip removal device about an axis at a rotational speed. The chip removal device can also include a main fluid channel with an opening to receive pressurized fluid from the machine tool. ... Raytheon Company

07/12/18 / #20180199466

Adaptable thin section liquid pump for electronics cooling systems or other systems

A pump includes a circular housing having a thin profile, a brushless open frame motor, and a centrifugal impeller. The pump is configured to transport a fluid to transfer thermal energy to or from one or more external components.. ... Raytheon Company

07/12/18 / #20180199047

Method for encoding and processing raw uhd video via an existing hd video architecture

A sensor data processing system and method performs segmentation and packing of image data from one or more ultra-high definition (uhd) image sensor for transport and processing by conventional high definition image data processing systems and pathways. The uhd image frames are segmented into a number of smaller frames and directed in parallel over the conventional hd pathways. ... Raytheon Company

07/05/18 / #20180191325

Transmission line transformers

A transmission line transformer having a time delay network having a signal terminal and a pair of output terminals connected to the signal terminal through a corresponding one of a pair of time delay elements, the delay line elements having different time delays. A pair of transmission lines, each one having a pair of electrically coupled elements. ... Raytheon Company

07/05/18 / #20180190705

Hybrid sensor chip assembly and method for reducing radiative transfer between a detector and read-out integrated circuit

Aspects and examples described herein provide a hybrid imaging sensor chip assembly for reducing undesired radiative transfer between a complementary metal-oxide semiconductor (cmos) read-out integrated circuit (roic) and an optical detector, and methods of manufacturing a hybrid imaging sensor chip assembly. In one example, a hybrid imaging sensor chip assembly includes an optical detector configured to collect electromagnetic radiation incident thereon, a complementary metal-oxide semiconductor (cmos) read-out integrated circuit (roic), and a radiation-shielding wafer interposed between the optical detector and the cmos roic, the radiation-shielding wafer including a plurality of through wafer vias (twvs) electrically coupled to the optical detector and the cmos roic, the radiation-shielding wafer being positioned to prevent radiative transfer between the cmos roic and the optical detector.. ... Raytheon Company

06/28/18 / #20180184020

Extended high dynamic range direct injection circuit for imaging applications

According to one aspect, embodiments herein provide a unit cell circuit comprising a photodetector configured to generate a photo-current in response to receiving light, a first integration capacitor configured to accumulate charge corresponding to the photo-current, a second integration capacitor configured to accumulate charge corresponding to the photo-current, a charge diverting switch coupled to the photodetector and configured to selectively couple the first integration capacitor to the second integration capacitor and divert the photo-current to the second integration capacitor in response to a voltage across the first integration capacitor exceeding a threshold level, and read-out circuitry coupled to the first integration capacitor and the charge diverting switch and configured to read-out a first voltage sample from the first integration capacitor corresponding to charge accumulated on the first integration capacitor and to read-out a second voltage sample from the second integration capacitor corresponding to charge accumulated on the second integration capacitor.. . ... Raytheon Company

06/28/18 / #20180183146

Circuits and techniques for a via-less beamformer

A via-less beamformer provided from a plurality of circuits elements having circuit layouts selected to mitigate unwanted reactive coupling there between. At least one of the plurality of circuit elements is provided having a circuit layout selected based upon reactive field theory. ... Raytheon Company

06/28/18 / #20180183129

Magic-y splitter

In one aspect, a y-splitter includes a first arm having a first port, a second arm having a second port, a third arm having a third port, a fourth arm having a fourth port and a y-split portion having a first end coupled to the first arm, a second end coupled to the second arm, a third end coupled to the third arm and a fourth end coupled to the fourth arm. The y-split portion splits a signal from a first signal path from the first port into a second signal on a second signal path and a third signal on a third signal path. ... Raytheon Company

06/28/18 / #20180180981

Dynamic blackbody scene display

An apparatus for displaying a scene with blackbody light includes a sheet of nano-structures having a first side and a second side opposing the first side. The first side and the second side are configured to receive light from an environment facing both sides and emit light to the environment facing both sides. ... Raytheon Company

06/28/18 / #20180178259

Positive air pressure system (paps) for camera enclosures in dirty environments

A positive air pressure system resists debris accumulation on an active surface and comprises a frustum-shaped shroud with a baffle plate therein dividing the shroud into baffles, including a positive pressure chamber and a passive back pressure chamber interconnected through an orifice in the baffle plate. An inlet opening is formed in the shroud and in fluid communication with the proximal baffle and a positive pressure air source and to receive air through the inlet opening from the positive pressure air source and create a high-pressure region, greater than a pressure region in the passive back pressure chamber, and in front of the active surface and to expel air out of the positive pressure chamber and into the passive back pressure chamber through the orifice in the baffle plate.. ... Raytheon Company

06/21/18 / #20180177069

Equipment clamping assembly having horizontal and vertical clamps for use in rugged and other environments

An apparatus includes a clamping assembly configured to receive and secure a component in or to a support structure. The clamping assembly includes first and second side rails configured to be coupled to the support structure. ... Raytheon Company

06/21/18 / #20180177066

Equipment clamping assembly using clamps and friction to secure equipment for use in rugged and other environments

An apparatus includes a clamping assembly configured to receive and secure a component in a support structure. The clamping assembly includes a faceplate configured to be coupled to the support structure. ... Raytheon Company

06/21/18 / #20180175920

Systems and methods for a multi-mode active electronically scanned array

Systems and methods described herein are directed towards an active electronically scanned array (aesa) that can perform both frequency division duplexing (fdd) operations and time division duplexing (tdd) operations. The aesa includes a switch network having one or more switching stages coupled between a transceiver and one or more array elements to switch the aesa between fdd operation and tdd operations, modify a function of one or more of the array elements in the aesa and/or swap portions of the aesa between different functions. ... Raytheon Company

06/21/18 / #20180175907

Binary high-power modulator

System and method for signal modulation. In one embodiment, a circuit includes a channel for carrying an analog rf signal, a phase offset circuit on the channel, and configured to receive a phase code for modifying the analog rf signal to produce a modified rf signal, and a feedforward cancellation path coupled in parallel to the phase offset circuit for canceling a portion of the modified analog signal.. ... Raytheon Company

06/21/18 / #20180175852

System and method for inrush current control for power sources using non-linear algorithm

A method includes determining an initial voltage level and duration for an input voltage of a gate of each of multiple transistor devices. Each transistor device receives a power input and controls a current passing through the transistor device. ... Raytheon Company

06/21/18 / #20180175581

Laser transmitter for generating a coherent laser output signal with reduced self-phase modulation and method

A laser transmitter is provided that includes a seed signal generator, an amplitude modulator and a power amplifier. The seed signal generator is configured to generate a seed signal that has a continuous waveform. ... Raytheon Company

06/21/18 / #20180175513

High frequency polymer on metal radiator

In one aspect, a unit cell of a phased array antenna includes a metal plate having a hole, a first side and a second side opposite the first side, a first plurality of laminate layers disposed on the first side, a second plurality of layers disposed on the second side of the metal plate, a radiator disposed in the first plurality of layer on the first side, a feed circuit disposed in the second plurality of laminate layers on the second side and configured to provide excitation signals to the radiator and a first plurality of vias extending through the hole connecting the feed circuit to the radiator.. . ... Raytheon Company

06/21/18 / #20180175512

Printed wiring board with radiator and feed circuit

In one aspect, a unit cell of a phased array antenna includes a printed wiring board (pwb). The pwb includes a first layer comprising a radiator, a second layer comprising a feed circuit configured to provide excitation signals to the radiator, a plurality of vias connecting the feed circuit to the radiator, a signal layer, an active component layer comprising an active component bonded to the signal layer and a radio frequency (rf) connector connecting the signal layer to the feed circuit.. ... Raytheon Company

06/21/18 / #20180175476

Tile for an active electronically scanned array (aesa)

In one aspect, an active electronically scanned array (aesa) tile includes a radiator structure and oxide-bonded semiconductor wafers attached to the radiator structure and comprising a radio frequency (rf) manifold and a beam former. An rf signal path through the oxide-bonded wafers comprises a first portion that propagates toward the beam former and a second portion that propagates parallel to the beam former.. ... Raytheon Company

06/21/18 / #20180175473

Method for making a composite substrate circulator component

A method for making a composite substrate circulator comprising disposing a plurality of sleeves about a plurality of rods, disposing the plurality of rods and the plurality of sleeves in a plurality of openings in a block to form an assembly, and dividing the assembly to form a plurality of plates. The magnetic saturation (4pims) values of the rods and sleeves are chosen to decrease radially (rod has the highest 4pims). ... Raytheon Company

06/21/18 / #20180172806

Coherent ladar using intra-pixel quadrature detection

A frequency modulated (coherent) laser detection and ranging system includes a read-out integrated circuit formed with a two-dimensional array of detector elements each including a photosensitive region receiving both return light reflected from a target and light from a local oscillator, and local processing circuitry sampling the output of the photosensitive region four times during each sample period clock cycle to obtain quadrature components. A data bus coupled to one or more outputs of each of the detector elements receives the quadrature components from each of the detector elements for each sample period and serializes the received quadrature components. ... Raytheon Company

06/21/18 / #20180172040

Device and method for controlling fluid flow over an optical instrument

A device is provided for controlling fluid flow over a window of a movable optical instrument housing. The device includes a generally annular body having an inner peripheral edge configured to correspond to a peripheral edge of the window of the housing and an outer peripheral edge, an arcuate outer surface disposed between the inner peripheral edge and the outer peripheral edge, and a reduced width portion between the inner peripheral edge and the outer peripheral edge. ... Raytheon Company

06/21/18 / #20180170510

Tube launched hybrid multirotor methods and apparatus for system

A launching system may include a multirotor platform that includes a plurality of motors and propellers. The multirotor platform may be launched from a launch tube and actuated to transition from a storage state to a flight state where the propellers are operable via the motors. ... Raytheon Company

06/14/18 / #20180167145

Frequency demodulation systems and methods for optical signals

Aspects are generally directed to optical signal receivers and methods. In one example, a receiver includes an optical resonator assembly configured to receive an optical signal at each of a plurality of optical resonators, each optical resonator configured to resonate optical signal energy at a corresponding frequency of the received optical signal, each optical resonator being tuned to a different corresponding frequency of the received optical signal, and each optical resonator being configured to output corresponding output optical signal energy. ... Raytheon Company

06/14/18 / #20180167144

Binomial pulse-position modulation (bppm) using sparse recovery for free-space optical fading/turbulent channels

Concepts, systems and methods are provided herein for generating encoded binomial pulse position modulation (bppm) signals having random, sparse sets of multiple pulses per channel usage interval for use in free-space optical (f so) communications. A data symbol can be modulated into a set of bppm pulses for transmission over a fso channel and a signal can be generated having the set of bppm pulses over a predetermined time interval. ... Raytheon Company

06/14/18 / #20180167041

Bias circuitry for depletion mode amplifiers

A circuit having an amplifier, comprising: a depletion mode transistor having a source electrode coupled to a reference potential; a drain electrode coupled to a potential more positive than the reference potential; and a gate electrode for coupling to an input signal. The circuit includes a bias circuit, comprising: a current source; and biasing circuitry coupled to the current source and between the potential more positive than the reference potential and a potential more negative than the reference potential. ... Raytheon Company

06/14/18 / #20180166795

Dual frequency electronically scanned array and related techniques

Systems and methods described herein are directed towards a radar system and a dual frequency electronically scanned array (esa) capable of transmitting and receiving radio frequency (rf) signals at least two frequencies. The esa includes a plurality of antenna elements which form a first effective aperture at a first radio frequency (rf) frequency and operational over a first scan range and which form a second effective aperture at a second radio frequency (rf) frequency and operational over a second scan angle. ... Raytheon Company

06/14/18 / #20180166791

Isolation barrier

An isolation barrier for reducing coupling between a transmitting antenna on a platform and a receiving antenna on the same platform. The isolation barrier expands the isolation capabilities of radar absorbing material (ram) to the low frequency region by integrating dielectric loaded corrugations with the ram. ... Raytheon Company

06/14/18 / #20180166778

Antenna element spacing for a dual frequency electronically scanned array and related techniques

Systems and methods described herein are directed towards a radar system and a dual frequency electronically scanned array (esa) capable of transmitting and receiving radio frequency (rf) signals at least two frequencies. The esa includes a plurality of antenna elements which form a first effective aperture at a first radio frequency (rf) frequency and operational over a first scan range and which form a second effective aperture at a second radio frequency (rf) frequency and operational over a second scan angle. ... Raytheon Company

06/14/18 / #20180165121

System and method for predicting the performance of a radar

A system and method for planning radar missions. The system includes a processing unit and a display. ... Raytheon Company

06/14/18 / #20180161904

Techniques for providing stop-offs for brazing materials or other materials on structures being joined

A method includes obtaining multiple components to be coupled together, such as during a brazing operation. At least one of the multiple components includes a stop-off. ... Raytheon Company

06/07/18 / #20180160557

Modules and systems for damping excitations within fluid-filled structures

A system or structure subject to external mechanical dynamic loading excitations propagated within the system or structure comprising a fluid filled structure and a fluid volume operable to facilitate fluid flow about at least part of the structure. Excitations within the structure can be propagated throughout. ... Raytheon Company

06/07/18 / #20180159515

Method and apparatus for control of pulsed power in hybrid energy storage module

A hybrid energy storage system is configured to control pulsed power. A first dynamo-electric machine is coupled to an inertial energy storage device and has multiple input stator windings configured to accept input power from a source. ... Raytheon Company

06/07/18 / #20180159289

Connector removal tool

A connector removal tool comprising a rigid press and release device for removing a connector from an electronics assembly. Upon engagement of the rigid press and the release device, first and second press members of the rigid press engage and move about a pair of deflecting engagement members of the release device to cause the pair of deflecting engagement members to deflect to compress and unlock interlocking tabs of the connector to facilitate removal from the electronics assembly. ... Raytheon Company

06/07/18 / #20180159237

High-powered wideband tapered slot antenna systems and methods

An antenna system is provided having a ground plane and a first antenna element disposed over the ground plane. The first antenna element includes first and second fins, each of the first and second fins having an input port and a shape selected such that the fin is responsive to electromagnetic signals provided thereto. ... Raytheon Company

06/07/18 / #20180157867

Secure field-programmable gate array (fpga) architecture

Method and systems using stateful encryption for non-bypassable fpga configuration including receiving, at an fpga, fpga-configuration data comprising a cryptographic state to initialize a cryptographic state of the fpga, and decrypting, at the fpga, the fpga-configuration data, wherein decrypting the fpga-configuration data yields at least a second cryptographic state and decrypted fpga-configuration data. Embodiments can include receiving, at the fpga, a challenge message, processing, at the fpga, the challenge message to yield at least a third cryptographic state and a response, and transmitting the response from the fpga.. ... Raytheon Company

06/07/18 / #20180157018

Bypass optical switch and methods

An optical system (e.g., a telescope) comprising an optical assembly that reflects and refracts light rays through a single window about an optical path to a detector. A field-of-view switch assembly comprises a mount, having a pair of diverter mirrors, movably coupled to the optical assembly and being selectively movable between a non-bypass position and a bypass position. ... Raytheon Company

06/07/18 / #20180156905

Detection and signal isolation of individual vehicle signatures

A system for isolating signals from individual vehicles. An array of sensors generates a plurality of time records. ... Raytheon Company

06/07/18 / #20180156586

Munition with outer enclosure

A munition may include a warhead, such as a penetrator warhead, enclosed in airframe. The airframe may enable connection to standard mountings, and/or to standard nose kits or tail kits. ... Raytheon Company

06/07/18 / #20180156585

Munition with nose kit connecting to aft casing connector

A munition, such as a warhead, includes a penetrator casing for penetrating hard targets, such as a fortification or reinforced building or other structure. The penetrator casing has a relatively thick nose, and a relatively thin aft section extending back from the nose. ... Raytheon Company

06/07/18 / #20180156576

Co-aligned close quarters battlefield sight

A close quarters battlefield (cqb) sight is provided. The cqb sight includes an optical sighting element and a base plate to which the optical sighting element is integrally coupled. ... Raytheon Company

05/24/18 / #20180145765

Optical signal processing using an optical resonator

Aspects are generally directed to optical signal receivers and methods. In one example, a receiver includes a pump assembly configured to produce an encoded pump signal. ... Raytheon Company

05/24/18 / #20180145764

Demodulation of qam modulated optical beam using fabry-perot etalons and microring demodulators

Optical signal receivers and methods are provided that include multiple optical resonators, each of which receives a portion of an arriving optical signal. Various of the optical resonators are tuned or detuned from a carrier wavelength, and produce an intensity modulated output signal in response to modulation transitions in the arriving optical signal. ... Raytheon Company

05/24/18 / #20180145760

Methods and systems for reducing noise in optoelectronic oscillators

Optoelectronic oscillator systems and an optoelectronic oscillator noise reduction method. One example of an optoelectronic oscillator system includes an optical source positioned at a first end of a fiber-optic path, the optical source being configured to transmit an optical signal along the fiber-optic path, an optical modulator positioned to receive and modulate the optical signal based on at least a reference signal, a retro-reflector positioned at a second end of the fiber-optic path, the retro-reflector being configured to receive and retro-reflect the optical signal, the retro-reflected optical signal having at least a frequency range of inherent fiber noise canceled, and an optical circulator positioned along the fiber-optic path between the optical modulator and the retro-reflector, the optical circulator being configured to direct the optical signal to the retro-reflector and direct the retro-reflected optical signal along a feedback path to a first photodetector to generate the reference signal.. ... Raytheon Company

05/24/18 / #20180145435

Electrical interfaces using modular vpx technologies

A printed circuit board assembly and method for electrically communicating between a first printed circuit board and a second printed circuit board is disclosed. The method includes coupling the first printed circuit board to the second printed circuit board via an electrical communication cable. ... Raytheon Company

05/24/18 / #20180145406

Programmable beamforming system including element-level analog channelizer

A beamforming system includes a plurality of channelizers and a channel switching module in signal communication with the channelizers. Each channelizer is configured to receive a respective input radio frequency signal and to generate a plurality of respective channels in response to downsampling the respective input radio frequency signal. ... Raytheon Company

05/24/18 / #20180145193

Method of fabricating a radio frequency transparent photovoltaic cell

A radio frequency transparent photovoltaic cell includes a back contact layer formed of an electrically conductive material, at least one aperture formed in the back contact layer, and at least one photovoltaic cell section disposed on the back contact layer. An airship includes one or more radio frequency antennas disposed in an interior of the airship. ... Raytheon Company

05/24/18 / #20180143294

Systems and methods for allocating antenna resources

Systems and methods are presented for allocating resources. In particular, the systems and methods may receive and process a requested sp state to identify for first sp channel information regarding (i) signal processing resources required and (ii) state priority, based on a first state table defining for each of a plurality of states for the first sp channel information regarding signal processing resources required and state priority information; and based on the identified information, arbitrating as between a current state and a requested state. ... Raytheon Company

05/24/18 / #20180142937

Purity monitor

A purity monitor is provided. The purity monitor includes a cryo-cooler and a piezo-electric crystal microbalance that may have a matte finish. ... Raytheon Company

05/24/18 / #20180142830

Lockable, precision adjustment screw, with operability through a pressure vessel wall

A precision adjustment screw mechanism comprises a platform carried by a base. The platform is selectively movable towards and away from the base, and is selectively tiltable with respect to the base. ... Raytheon Company

05/24/18 / #20180142750

Torsion bar spring

A torsion bar spring is disclosed. The torsion bar spring can include a first elongated spring bar made of a resiliently flexible material. ... Raytheon Company

05/24/18 / #20180141144

Method and apparatus for cleaning an electronic circuit board

A method and apparatus for cleaning an electronic circuit board is disclosed. The electronic circuit board is provided with a substrate layer and a copper layer. ... Raytheon Company

05/17/18 / #20180136944

Mobile device external controller module

An external controller module is configured for electrically coupling a mobile device to the one or more peripheral devices. The external controller module includes an interface port for coupling to a communication port of the mobile device and a number of interface ports for coupling the external controller module to respective peripheral devices. ... Raytheon Company

05/17/18 / #20180136318

Situational awareness sensor using a fixed configuration of optical phased arrays (opas)

A situation awareness sensor includes a plurality of n sensor channels, each channel including an optical phased array (opa) having a plurality of solid-state laser emitters, a command circuit and a detector. The command circuit controls the relative phase between the laser emitters to command a divergence, shape and exit angle of a spot-beam to scan a channel field-of-view (fov). ... Raytheon Company

05/17/18 / #20180136178

Methods and kit for determining presence of trivalent chromium conversion coating

A method for testing for the presence of a trivalent chromium conversion coating on a metal substrate is provided. According to one embodiment, the method comprises contacting a surface of the metal substrate with at least one solvent to generate a test solution, adding an indicator capable of detecting zirconium to the test solution in an amount sufficient to induce a color change of the test solution if zirconium is present in the test solution, and determining whether a color change indicating the presence of the conversion coating occurs in the test solution.. ... Raytheon Company

05/17/18 / #20180136047

Graphene-based bolometer

A bolometer. In one embodiment a graphene sheet is configured to absorb electromagnetic waves. ... Raytheon Company

05/17/18 / #20180134000

Anisotropic thermal conduit

An anisotropic thermal conduit having an outer cylindrical tube; and an anisotropic thermal material disposed with the outer cylindrical tube.. . ... Raytheon Company

05/10/18 / #20180131066

Microwave transmission line having three dimensional shielding

A microwave transmission line having a coplanar waveguide and a pair of conductive members, each one of the pair of conductive members having a proximal end disposed on a portion of a corresponding one of a pair of ground plane conductors of the coplanar waveguide and a distal end disposed over, and vertically spaced from, a region between a center conductor of the coplanar waveguide and a corresponding one of the pair of ground plane conductors of the coplanar waveguide. The distal ends are laterally separated from each other by a region disposed over the center conductor.. ... Raytheon Company

05/10/18 / #20180130915

Airship with a radio frequency transparent photovoltaic cell

A radio frequency transparent photovoltaic cell includes a back contact layer formed of an electrically conductive material, at least one aperture formed in the back contact layer, and at least one photovoltaic cell section disposed on the back contact layer. An airship includes one or more radio frequency antennas disposed in an interior of the airship. ... Raytheon Company

05/10/18 / #20180130888

Field effect transistor having staggered field effect transistor cells

A field effect transistor (fet) having a substrate; a plurality of active regions disposed on the substrate; and a laterally extending finger-like control electrode disposed on a portion of a surface of the substrate. The active regions are laterally spaced one from the other successively along the laterally extending finger-like control electrode. ... Raytheon Company

05/10/18 / #20180130191

Full motion color video atmospheric turbulence correction processing

A system for processing video. The system may include a video camera, a processing unit, and a video display, the video camera being configured to generate a plurality of consecutive luminance frames, including a last frame and a plurality of preceding frames. ... Raytheon Company

05/10/18 / #20180128892

Systems and methods for direction finding using compressive sensing

A determination of an angle of arrival of radiofrequency (rf) radiation can be made using compressive sensing techniques to inform a receiver portion of a radar system using fewer measurements and samples of the received signal. A method for compressive sensing at an array antenna includes forming a plurality subarrays of array elements from the array antenna such that each subarray includes two or more array elements, capturing data at the plurality of subarrays of array elements, modulating phase properties of the data captured at each of the subarrays, combining the modulated data from each of the plurality of subarrays to form a measurement having phase and magnitude measurements corresponding to the combined modulated data and determining angle of arrival information for the data using the measurement matrix.. ... Raytheon Company

05/10/18 / #20180128573

Marksman launcher system architecture

An effector launching system includes an environment that has external components located within the environment. The effector launching system may include a modular controller located in the environment of an effector launching system and the external components may be located in the environment externally to the modular controller for executing an effector launching sequence. ... Raytheon Company

05/10/18 / #20180128418

Vibration suspension system

A bi-directional spring member is mounted to a support platform, the bi-directional spring member being coupled to a payload. The bi-directional spring member includes a non-linear spring component having a rigid member enclosing at least a portion of a compliant planar member and a linear spring component. ... Raytheon Company

05/10/18 / #20180128336

Bi-directional non-linear spring

A linear spring member having an annular region with a first thickness connected in series by cylindrical regions having a second thickness, wherein the first thickness is less than the second thickness. Outer portions of adjacent annular regions are coupled together by a first cylindrical region and inner portions of adjacent annular regions are coupled together by a second cylindrical region such that the effective spring rate of the bi-directional spring device increases symmetrically as it is displaced in either compression or tension.. ... Raytheon Company

05/10/18 / #20180128303

Lockable lateral adjuster mechanism

A lockable lateral adjuster mechanism comprises a platform with a channel carried by a base. A cam has an eccentric head that is pivotally disposed in the channel. ... Raytheon Company

05/10/18 / #20180128207

Electrically operated propellant for solid rocket motor thrust management

Electrically operated propellant is used to supplement the thrust provided by solid rocket motor (srm) propellant to manage thrust produced by a srm. The gas produced by burning the electrically operated propellant may be injected upstream of the nozzle to add mass and increase chamber pressure pc, injected at the throat of the nozzle to reduce the effect throat area at to increase chamber pressure pc or injected downstream of the throat to provide thrust vector control or a combination thereof. ... Raytheon Company

05/10/18 / #20180127073

Autonomous underwater vehicle for transport of payloads

An autonomous underwater vehicle (auv) is disclosed for transporting and delivering a positively buoyant payload and/or a negatively buoyant payload to a destination. The auv can be gravitationally propelled through the sea. ... Raytheon Company

05/03/18 / #20180124342

Active pushbroom scanning system and method

Aspects and embodiments are generally directed to active imaging systems and methods. In one example, an active imaging system includes a positioning system configured to detect a direction of motion of the imaging system relative to a scene, an optical source positioned to emit electromagnetic radiation, a non-mechanical beamsteering device positioned to receive the electromagnetic radiation from the optical source and configured to scan the electromagnetic radiation over at least a first portion of the scene within an instantaneous field-of-view of an optical receiver, and the optical receiver positioned to receive reflections of the electromagnetic radiation from at least the first portion of the scene within the instantaneous field-of-view, wherein the first portion of the scene is within a first edge region of the instantaneous field-of-view of the optical receiver, the first edge region being in the direction of motion of the imaging system.. ... Raytheon Company

05/03/18 / #20180124336

Flux rate unit cell focal plane array

According to one aspect, embodiments herein provide a unit cell circuit comprising a photodetector, a first integration capacitor, a first input circuit configured to maintain charge on the integration capacitor corresponding to photo-current received from the photodetector during an integration period, a first comparator coupled to the first integration capacitor and configured to compare a first integration voltage across the first integration capacitor to a first threshold reference voltage, a register coupled to the first comparator, and a counter coupled to the register and configured to repeatedly increment a counter value over the integration period, wherein in response to determining that the first integration voltage is at a certain level in relation to the first threshold reference voltage, the first comparator is further configured to output a first output signal configured to control the register to latch the counter value of the counter.. . ... Raytheon Company

05/03/18 / #20180123229

Systems and techniques for radome-antenna configuration

A radome structure of an antenna system is provided having a plurality of switchable antenna elements disposed around a perimeter of the radome structure that can simultaneously track multiple targets and be implemented in a variety of different applications. Each of the switchable antenna elements can be individually switched between different radiation patterns to support different applications. ... Raytheon Company

05/03/18 / #20180122777

Hybrid micro-circuit device with stacked chip components

A hybrid micro-circuit device has multiple layers overlying a printed circuit board (pcb), including a first semiconductor chip component that is electrically connected to the pcb, and a second semiconductor chip component that is electrically connected to first semiconductor chip component. A molding compound surrounds the stack of components that includes the semiconductor chip components. ... Raytheon Company

05/03/18 / #20180121735

Track fusion using sigint or estimated speed

Generally discussed herein are systems and apparatuses that are configured to and techniques for matching track fragments. According to an example, a technique can include receiving data indicating a first and second actual toa of first and second sigint signals at a collector, estimating first and second sets of estimated toas of the first and second sigint signals at a collector, respectively, each of the first and second sets of estimated toas based on a different track fragment of a first plurality of track fragments active at the first time and a different track fragment of a second plurality of track fragments active at the second time, respectively, or matching a track fragment of the first plurality of track fragments with a track fragment of the second plurality of track fragments based on the first and second sets of estimated toas and the first and second actual toas.. ... Raytheon Company

05/03/18 / #20180121253

System and method for topology-aware job scheduling and backfilling in an hpc environment

A method for job management in an hpc environment includes determining an unallocated subset from a plurality of hpc nodes, with each of the unallocated hpc nodes comprising an integrated fabric. An hpc job is selected from a job queue and executed using at least a portion of the unallocated subset of nodes.. ... Raytheon Company

05/03/18 / #20180120239

Systems and methods for component identification

A method of forming of an item includes: selecting a component of the item that is formed of an element; mixing one or more identifiable additives with the element; forming the component with the mixture; performing an atomic level test on at least a portion of the component; and recording the results of the test.. . ... Raytheon Company

05/03/18 / #20180120071

Thermal energy absorbing structures

Thermally-sensitive hardware is at least partially enclosed within a container in which reactants for a solid-solid endothermic chemical reaction are disposed, surrounding at least a portion of the thermally-sensitive hardware. The reactants or a structure including the reactants are positioned between the thermally-sensitive hardware and a heat source, such as an external surface of a missile traveling through atmospheric gases at extremely high speed and experiencing extreme frictional heating. ... Raytheon Company

05/03/18 / #20180118316

Systems and methods for power generation based on surface air-to-water thermal differences

A system includes a vehicle having a body and a power generation system. The power generation system includes first and second tanks each configured to receive and store a refrigerant under pressure. ... Raytheon Company

05/03/18 / #20180118315

Systems and methods for augmenting power generation based on thermal energy conversion using solar or radiated thermal energy

An apparatus includes first and second tanks each configured to receive and store a refrigerant under pressure. The apparatus also includes at least one generator configured to generate electrical power based on a flow of the refrigerant between the tanks. ... Raytheon Company

04/19/18 / #20180109749

Self-recovering digital latch

An electro-optical sensor chip assembly (sca) that includes a detection device that includes an array of detector unit cells arranged in a matrix and that produce an electrical output in response to light. The sca also includes an integrated control circuit in electrical communication with the detection device that includes a control word store to store a dataword. ... Raytheon Company

04/19/18 / #20180106884

System and method for adaptive simultaneous transmit and receive leakage cancellation

Method and apparatus for leakage signal cancellation in a simultaneous transmit and receive rf system includes: generating a digital transmit signal for transmission from the system; receiving a receive signal produced by reflection of the transmit signal from an object or generated by a second rf system; adaptively filtering the transmit signal by an adaptive finite input response (fir) filter; calculating filter coefficients for the adaptive fir filter in real-time at a different sampling rate; adaptively inputting the calculated filter coefficients to the adaptive fir filter to generate a cancellation signal in real-time; and applying the cancellation signal to the receive signal to cancel leakage in the receive signal to generate an optimum receive signal.. . ... Raytheon Company

04/19/18 / #20180106218

Integrated thruster

A thruster has an additively-manufactured housing that includes an integrally-formed nozzle with a burst disk in it. The housing is part of a casing that surrounds and encloses a propellant that is burned to produce pressurized gases that burst the burst disk and produce thrust. ... Raytheon Company

04/19/18 / #20180104825

Automated work piece moment of inertia (moi) identification system and method for same

A method and system for identifying a moment of inertia (moi) of a work piece includes coupling the work piece to a manipulator assembly such as a 6-axis robotic arm or 3-axis gimbal. The manipulator assembly includes a force/torque sensor and a motion feedback sensor. ... Raytheon Company

04/12/18 / #20180102926

Adaptive channelizer

A signal identification system includes an analog adaptive channelizer having a plurality of channels. Each channel has a channel size defined by a bandwidth and a gain. ... Raytheon Company

04/12/18 / #20180102924

Method of using a dfe as a sigma-delta adc

A decision feedback equalizer (dfe) is used as the predictive filter in a sigma-delta feedback loop as part of a sigma-delta analog-to-digital converter. The tap weights of the dfe are chosen to provide adaptive noise shaping for receiving signals of various frequencies multiplexed in time.. ... Raytheon Company

04/12/18 / #20180102853

Systems and methods for demodulation of psk modulated optical signals

Optical signal receivers and methods are provided that include first and second optical resonators, each of which receives a portion of an arriving optical signal. The first optical resonator is tuned to a carrier wavelength and accumulates resonant optical signal energy whose output is disturbed responsive to a transition in the arriving optical signal. ... Raytheon Company

04/12/18 / #20180102592

Programmable frequency selective surfaces

A controllable frequency selective surface. The frequency selective surface has a plurality of conductive patches with integrated circuits straddling gaps between, and connected to, pairs of patches separated by gaps. ... Raytheon Company

04/12/18 / #20180101945

Automated model-based inspection system for screening electronic components

A method includes obtaining data associated with an electronic component. The method also includes conducting a multi-tier inspection process to verify a conformance of the electronic component. ... Raytheon Company

04/12/18 / #20180101401

Systems and methods for allocating antenna resources

Systems and methods are presented for allocating resources. In particular, the systems and methods may receive and process a requested sp state to identify for first sp channel information regarding (i) signal processing resources required and (ii) state priority, based on a first state table defining for each of a plurality of states for the first sp channel information regarding signal processing resources required and state priority information; and based on the identified information, arbitrating as between a current state and a requested state. ... Raytheon Company

04/05/18 / #20180096833

Wafer stacking to form a multi-wafer-bonded structure

In one aspect, a method includes heating a wafer chuck, heating a first wafer, depositing a first epoxy along at least a portion of a surface of the first wafer disposed on the wafer chuck, spinning the wafer chuck to spread the first epoxy at least partially across the first wafer, placing a second wafer on the first epoxy disposed on the first wafer and bonding the second wafer to the first epoxy under vacuum to form a two-wafer-bonded structure.. . ... Raytheon Company

04/05/18 / #20180095191

Phase gradient nanocomposite window fabrication and method of fabricating durable optical windows

An optical window is provided and includes a core layer, a cladding layer and an electromagnetic interference (emi) layer interposed between the core and cladding layers.. . ... Raytheon Company

04/05/18 / #20180095161

System and method for concurrent communication of different signal types by a radar

A method for concurrent transmission of different signal types by a radar system includes: receiving a waveform request for transmitting a first signal type and a second signal type; determining whether the first signal or the second signal is optimized; when the first signal is optimized: transmitting the first and the second signal simultaneously in separate bands; and when the second signal is optimized: determining a time gap between transmission of the second signal, and adjusting pulse repetition interval (pri) or pulse width of the first signal to fit in the time gap, transmitting the second signal, and transmitting the first signal in the time gap between the transmission of the second signal.. . ... Raytheon Company

04/05/18 / #20180094909

Armored radome

An armored radome is provided and includes a metallic plate formed to define an array of through-holes. Each through-hole has a respective longitudinal axis substantially aligned with electromagnetic radiation passing locally through the metallic plate.. ... Raytheon Company

04/05/18 / #20180094882

Transparent heat exchanger

In one aspect, a transparent heat exchanger includes a first transparent substrate optically attached to a heat source, one or more fins to transfer heat from the heat source, the one or more fins comprising transparent material and further comprising one of a manifold coupled to the first transparent substrate or a facesheet coupled to the first transparent material.. . ... Raytheon Company

04/05/18 / #20180093917

Molding composite and method of making molded part

A molding composite includes mica flakes and a eutectic glaze. The composite allows making of lead-free parts for use in a variety of situations, such as electrical insulators for supporting electrically-conductive parts, such as electrodes, for electrical devices. ... Raytheon Company

04/05/18 / #20180093780

Expandable flexible fuel tank device and system for externally pressurized fuel systems

An expandable liquid tank device is secured to a vehicle to provided externally pressurized fuel to the fuel system of the vehicle. The tank can comprise an outer bladder containing a flexible inner bladder. ... Raytheon Company

04/05/18 / #20180093449

Phase gradient nanocomposite window fabrication and method of fabricating durable optical windows

A unitary radome layer assembly is provided and includes a first nanocomposite formulation and a second nanocomposite formulation. The first and second nanocomposite formulations are provided together in a unitary radome layer with respective distribution gradients.. ... Raytheon Company

03/29/18 / #20180091232

Active demodulation systems and methods for optical signals

Aspects are generally directed to receivers and methods for actively demodulating optical signals. In one example, a receiver includes an optical resonator to receive an optical signal, the optical resonator including an active optical medium interposed between first and second semi-reflective surfaces, where the active optical medium is configured to accumulate resonant optical signal energy inside the optical resonator based on the received optical signal, the second semi-reflective surface is positioned to emit output optical signal energy, and the optical resonator is configured to disturb the output optical signal energy in response to a variation in the received optical signal. ... Raytheon Company

03/29/18 / #20180091230

Systems and methods for detection and demodulation of optical communication signals

A free-space optical signal receiver includes a plurality of detectors whose individual outputs are delayed to correct for variations in arrival time caused by aberration in the medium through which the optical signal propagates, and combined to provide a single output. Each of the plurality of detectors sense the free-space modulated optical signal and provide a detector signal representative of the modulation of the optical signal. ... Raytheon Company

03/29/18 / #20180091228

Systems and methods for demodulation of free space optical signals without wavefront correction

Optical signal receivers and methods are provided that include an optical resonator that allows an optical signal to enter and optical signal energy to accumulate at regions inside the optical resonator. A portion of optical signal energy is emitted from among various regions of the optical resonator, such that a combination of the emitted optical signal energy is disturbed when a phase transition occurs in the received optical signal. ... Raytheon Company

03/29/18 / #20180091227

Optically sensed demodulation systems and methods for optical communications

Aspects are generally directed to receivers and methods for optically demodulating optical signals. In one example, a receiver includes an optical resonator to receive an optical signal, the optical resonator including an optical medium interposed between first and second semi-reflective surfaces, where the first and second semi-reflective surfaces are positioned to resonate optical signal energy, and the optical resonator is configured to disrupt the optical signal energy resonance responsive to a variation in the received optical signal. ... Raytheon Company

03/29/18 / #20180090903

Planar waveguides with enhanced support and/or cooling features for high-power laser systems

This disclosure provides planar waveguides with enhanced support and/or cooling. One or more endcaps could be disposed between coating/cladding layers at one or more ends of a core region, where the core region is doped with at least one active ion species and each endcap is not doped with any active ion species that creates substantial absorption at pump and signal wavelengths. ... Raytheon Company

03/29/18 / #20180090902

Planar waveguides with enhanced support and/or cooling features for high-power laser systems

This disclosure provides planar waveguides with enhanced support and/or cooling. One or more endcaps could be disposed between coating/cladding layers at one or more ends of a core region, where the core region is doped with at least one active ion species and each endcap is not doped with any active ion species that creates substantial absorption at pump and signal wavelengths. ... Raytheon Company

03/29/18 / #20180090901

Planar waveguides with enhanced support and/or cooling features for high-power laser systems

This disclosure provides planar waveguides with enhanced support and/or cooling. One or more endcaps could be disposed between coating/cladding layers at one or more ends of a core region, where the core region is doped with at least one active ion species and each endcap is not doped with any active ion species that creates substantial absorption at pump and signal wavelengths. ... Raytheon Company

03/29/18 / #20180090525

Dual band ultraviolet (uv) and infrared radiation detector

A dual band infrared and ultraviolet radiation detector having an ultraviolet radiation detector embedded within a pair of ir anti-reflection layers wherein a first one of the infrared anti-reflection layer reflects ultraviolet energy passing through from the semiconductor, ultraviolet radiation detector hack to the semiconductor, ultraviolet radiation detector.. . ... Raytheon Company

03/29/18 / #20180090523

Ultraviolet (uv) schottky diode detector having single crystal uv radiation detector material bonded directly to a support structure with proper c-axis orientation

A radiation detector for detecting ultraviolet energy having a single crystal uv radiation detector material and an amorphous support layer disposed directly on the single crystal uv radiation detector material with the single crystal uv radiation detector material having a c-axis aligned along a direction of the ultraviolet energy being detected.. . ... Raytheon Company

03/29/18 / #20180089365

Method for identification of nucleic acid signatures

A method of identifying regions of malicious organic sequences includes identifying a plurality of benign snippets derived from a first sequence obtained from at least one benign organism; extracting a plurality of candidate signature snippets from a second sequence obtained from a malicious organism; determining, for each of the plurality of candidate signature snippets, whether the candidate signature snippet matches at least one of the plurality of benign snippets; and responsive to the candidate signature snippet not matching the at least one of the plurality of benign snippets, identifying the candidate signature snippet as a malicious signature snippet.. . ... Raytheon Company

03/29/18 / #20180087885

Passive impact sensor for high velocity projectiles

A passive impact sensor for a projectile configured to explode, destroy with kinetic energy, embed or pass through an object with a closing velocity greater than 1,000 m/s. The passive impact sensor includes an energy generating system comprised of a crystalline structure that stores latent polarized electrical energy. ... Raytheon Company

03/22/18 / #20180083783

Method and apparatus for authentication and validation of persons using gait data

A system for authentication and validation of the identity of a person. The person carries a mobile device configured to measure motion as the person walks or stands still, generating a time record of motion data. ... Raytheon Company

03/22/18 / #20180083718

System and method for cancelling phase noise induced by antenna vibration

System and method for correcting a phase noise generated by vibration of an antenna transmitting or receiving a radio frequency (rf) signal in a signal propagation direction includes: measuring the vibration of the antenna by a sensor generating an output signal; converting the output signal of the sensor to a measurement signal proportional to the vibration of the antenna in the signal propagation direction; performing a single or double integral of the measurement signal to produce a control signal with an amplitude proportional to the vibrational velocity or displacement of the antenna in the signal propagation direction; and applying the control signal to an oscillator, a clock signal, or a phase controller associated with the rf signal.. . ... Raytheon Company

03/22/18 / #20180083333

Bond channel reliefs for bonded assemblies and related techniques

A flat plate assembly is provided from at least a pair of plates with at least one surface of one plate have one or more relief channels provided therein around epoxy bonded signal channels. The relief channels are provided having a size and shape selected to control the flow of a liquid bonding adhesive. ... Raytheon Company

03/22/18 / #20180080826

Simultaneous overlapping order spectral imager and method

An imaging spectrometer and method are provided. In one example, the imaging spectrometer includes foreoptics positioned to receive electromagnetic radiation from a scene, a diffraction grating positioned to receive the electromagnetic radiation from the foreoptics and configured to disperse the electromagnetic radiation into a plurality of spectral bands, each spectral band corresponding to a diffraction grating order of the diffraction grating, and a single-band focal plane array configured to simultaneously receive from the diffraction grating overlapping spectra corresponding to at least two diffraction grating orders.. ... Raytheon Company

03/15/18 / #20180076646

Charge management system

A charge management system including a power distribution bus circuit for distributing energy from a power source to a load, and an intermediate energy storage circuit operably connected to a power distribution bus circuit for aiding in distribution of energy to the load. A charge management system controller may be configured to control the discharge of energy between the intermediate storage circuit and the power distribution bus circuit during one or more modes. ... Raytheon Company

03/15/18 / #20180076516

Antenna positioning mechanism

An antenna pointing mechanism for pointing an antenna includes a guide and track assembly. The guide and track assembly has a guide member fixable to a support, such as a flying vehicle, and a track member coupled to the guide member and fixable to the antenna. ... Raytheon Company

03/15/18 / #20180074172

Methods and apparatus for mobile phased array system

Method and apparatus for a phased array system including a plurality of unmanned aerial vehicles (uavs) configured to fly in an array formation having an array lattice spacing. The uavs can include a puck having a phased array element and a signal processing module configured to receive and process a signal to achieve for the array lattice spacing a spacing that is less than a wavelength of operation of the phased array elements.. ... Raytheon Company

03/15/18 / #20180074153

Systems and methods for direction finding based on minimum distance search to principal components

The concepts, systems and method described herein provide direction finding (df) methods based on a minimum distance (mindist) search to principal components. In an embodiment, the method includes capturing samples of data from one or more array elements. ... Raytheon Company

03/15/18 / #20180074152

Systems and methods for direction finding using augmented spatial sample covariance matrices

In an array antenna having a plurality of subarrays, a direction finding system and technique includes receiving signals at an array antenna and capturing data with a plurality of groups of subarrays. Each group of subarrays may capture data during a selected one of a plurality of different dwell times. ... Raytheon Company

03/15/18 / #20180073842

Projectile with single-piece main body

A projectile, such as a railgun-launched projectile, includes a single-piece body that is additively manufactured. The single piece body includes fuel within it, and one or more cavities for receiving an oxidizer. ... Raytheon Company

03/15/18 / #20180073838

Robot arm launching system

An effector launching system and method may be used on a moving ship deck. The launching system includes a plurality of effectors and a robot that is arranged on the moving platform. ... Raytheon Company

03/15/18 / #20180072168

Systems and methods supporting periodic exchange of power supplies in uderwater vehicles or other devices

An apparatus includes a shell having multiple ducts that define multiple flow passages through the shell. The apparatus also includes a core disposed within the shell and including one or more rechargeable power supplies. ... Raytheon Company

03/08/18 / #20180069352

Electrical device with shunt, and receptacle

An electrical device has device electrical contacts that are initially shunted together, to prevent accidental triggering or damage to the device, such as by electrostatic forces. The device is configured to be inserted into a receptacle, with parts of the receptacle disengaging the shunt and making electrical connection within the receptacle, such as with a shunt cutter. ... Raytheon Company








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