US Pat. No. 9,467,000

INTELLIGENT INDEPENDENT BATTERY MANAGEMENT SYSTEM AND METHOD

Raytheon Company, Waltha...

1. A method for monitoring a battery pack, the battery pack comprising a plurality of modules and a pack controller, each
module comprising a corresponding module controller, the method comprising, for each module:
measuring a module current;
measuring a module voltage;
comparing the measured module current and the measured module voltage to state of health (SOH) data in at least one dynamic
look-up table; and

determining, by the module controller, a state of charge for the module based on the comparison of the measured module current
and the measured module voltage to the SOH data in the at least one dynamic look-up table.

US Pat. No. 9,591,510

SYSTEMS AND METHODS TO CREATE MESSAGE TRAFFIC

Raytheon Company, Waltha...

1. A method comprising:
receiving, at processing circuitry, first message characteristics of a plurality of messages to transmit to a first device,
wherein the first message characteristics include a message inter-arrival time, a message size characteristic, and a message
type of actual message traffic transmitted to another device;

determining first statistics of the first message characteristics including an average of the inter-arrival time, a standard
deviation of the inter-arrival time, an average of the message size, a standard deviation of the message size, and a number
of messages with the message type;

generating, using the processing circuitry, mock messages that include second message characteristics that are statistically
the same as the determined first statistics, the second message characteristics different from the first message characteristics;
and

transmitting the plurality of mock messages to the first device, wherein the plurality of mock messages are configured by
the processing circuitry to be different from the plurality of messages.

US Pat. No. 9,239,383

WIDE BEAM SAR FOCUSING METHOD USING NAVIGATION SOLUTION DERIVED FROM AUTOFOCUS DATA

RAYTHEON COMPANY, Waltha...

1. A method for forming a synthetic aperture radar (SAR) image, from SAR data and a navigation profile, the method comprising:
generating a first SAR image from the SAR data and the navigation profile;
dividing the SAR image into image blocks;
selecting a subset of the image blocks;
applying an autofocus algorithm to each of the selected image blocks to form phase error profile estimates for the selected
image blocks;

generating a navigation error profile estimate from the phase error profile estimates; and
generating a second SAR image from the SAR data, the navigation profile, and the navigation error profile estimate,
displaying the second SAR image on a display.

US Pat. No. 9,228,645

VACUUM STABLE MECHANISM DRIVE ARM

Raytheon Company, Waltha...

1. A device comprising:
a rotary-actuated motor configured to rotatably drive a motor member;
a drive arm coupled to the motor member and configured to responsively move between a first position and a second position
upon rotation of the motor member; and

an actuatable member configured to be moved by the drive arm, wherein the actuatable member is thermally isolated from the
drive arm in both the first position and the second position.

US Pat. No. 9,490,873

METHODS AND APPARATUS FOR UNDERWATER ELECTRICAL NEAR-FIELD SIGNAL SYSTEM

Raytheon Company, Waltha...

1. A near-field signal system to generate signals underwater, comprising:
a signal processing module;
a first antenna to transmit electrical near-field signals underwater coupled to the signal processing module;
a second antenna to receive near-field signals underwater transmitted by the first antenna, wherein the second antenna is
coupled to the signal processing module; and

a salinity sensor to measure salinity of water coupled to the signal processing module, wherein a current and/or a voltage
of the electrical near-field signals transmitted by the first antenna is adjusted based upon the measured water salinity.

US Pat. No. 9,285,073

NON-ROTATING FLEXURE BEARINGS FOR CRYOCOOLERS AND OTHER DEVICES

Raytheon Company, Waltha...

1. An apparatus comprising:
an outer hub and an inner hub, the hubs configured to be secured to a support structure and to a device; and
multiple sets of flexure arms connecting the outer hub and the inner hub, each set of flexure arms including symmetric flexure
arms;

wherein each flexure arm comprises one or more circular openings.

US Pat. No. 9,256,619

METHOD FOR DETECTING AND RECOGNIZING BOATS

RAYTHEON COMPANY, Waltha...

1. A computer implemented method for recognizing boats in a port, each boat having a bow, the method comprising:
receiving, by a receiver, a digital image of the port that includes one or more boats
establishing, by one or more processor, land/water boundaries from the digital image of the port including one or more boats,
using a land mask and image statistics, without requiring a site model;

utilizing, by the one or more processor, the established land/water boundaries to determine thresholds and normalization parameters
for the one or more boats;

detecting, by the one or more processor, one or more bow candidates for the boats in the image responsive to the determined
thresholds and normalization parameters;

computing, by the one or more processor, an orientation of each of the boats with detected bows;
computing first features along the bow candidates to eliminate false bow candidates responsive to the orientations;
fitting, by the one or more processor, boat models to the detected one or more bow candidates, responsive to the orientations
and the first features;

determining, by the one or more processor, one or more best fit models from the fitted boat models;
calculating second features in an interior, exterior and outline of the best fit models;
applying, by the one or more processor, a statistical classifier to score each of the one or more best fit models and to reduce
false alarms for the best fit models; and

eliminating, by the one or more processor, lower scoring best fit models whose outline overlaps an outline of a higher scoring
best fit model to obtain a more accurate result for the recognizing boats.

US Pat. No. 9,233,724

HULL ROBOT DRIVE SYSTEM

Raytheon Company, Waltha...

1. A hull robot comprising:
a robot body;
at least one drive module for maneuvering the robot about a hull;
an on-board power source;
a motive subsystem for the drive module powered by the on-board power source; and
a plurality of permanent magnet elements associated with the drive module each switchable between a non-shunted state when
adjacent the hull and a shunted state when not adjacent the hull.

US Pat. No. 9,180,934

HULL CLEANING ROBOT

Raytheon Company, Waltha...

12. A method of cleaning a hull of a vessel, comprising:
positioning a robot about the hull of the vessel;
maneuvering the robot about the hull using a drive module within the robot;
operating the drive module in a manner to effectuate cleaning of the hull, wherein the drive module provides a cleaning function;
and

creating a low pressure condition within the robot as compared to without the robot to increase a force of attachment of the
robot to the hull.

US Pat. No. 9,172,140

MULTIPLE INPUT LOOP ANTENNA

Raytheon Company, Waltha...

1. A multiple input loop antenna comprising:
a ground plane;
one or more half-loop antennas disposed above said ground plane wherein the plane of each half loop is perpendicular to said
ground plane, each of said one or more half-loop antennas having first and second input ports;

one-half of a circular loop; and
a pair of vertical posts disposed through said ground plane and upon which said one-half of a circular loop is disposed and
wherein the height of said vertical posts and the horizontal separation between said vertical posts are selected to match
an impedance characteristic at the first and second input ports.

US Pat. No. 9,244,155

ADAPTIVE ELECTRONICALLY STEERABLE ARRAY (AESA) SYSTEM FOR MULTI-BAND AND MULTI-APERTURE OPERATION AND METHOD FOR MAINTAINING DATA LINKS WITH ONE OR MORE STATIONS IN DIFFERENT FREQUENCY BANDS

Raytheon Company, Waltha...

1. An adaptive electronically steerable array (AESA) system suitable for use on a vehicle, the system comprising:
a plurality of arrays, each comprising a plurality of radiating elements; and
control circuitry coupled to the plurality of arrays to configure the arrays for switchable multi-band and multi-aperture
operations, wherein the control circuitry is configured

to use a line-of-sight (LOS) vector to direct the array for communications with a communication station as the vehicle maneuvers,
to use the LOS vector to reconfigure the arrays to switch between communicating with a first communication station and a second
communication station, and

to switch between communicating with a first communication station within a first frequency band through a first aperture,
the first frequency band established for communication with the first communication station, and communicating with the second
communication station within a second frequency band through a second aperture, the second frequency band established for
communication with the second communication station, the first and second frequency bands being widely-spaced frequency bands
having at least a five percent carrier frequency separation,

wherein the first frequency band is a higher-frequency band than the second frequency band, and
wherein for the multi-band and the multi-aperture operations, the control circuitry:
configures each element to operate as a single aperture to transmit RF signals for communicating with the first communication
station within the first frequency band, and

configures a plurality of two or more elements to operate as a single element, single aperture, to transmit coherently combined
RF signals that have the same phase shift, for communicating with the second communication station within the second frequency
band.

US Pat. No. 9,228,895

IMAGING SYSTEM WITH MULTIPLE FOCAL PLANE ARRAY SENSORS

RAYTHEON COMPANY, Waltha...

1. An optical imaging system comprising:
an integrated dewar assembly including a two-dimensional multi-waveband staring detector including a plurality of single-color
focal plane array sensors spatially distributed over a common focal plane and co-aligned side-by-side relative to one another,
each of the plurality of single-color focal plane array sensors being configured to produce a two-dimensional staring image
signal in a different waveband, the plurality of single-color focal plane array sensors including a first single-color focal
plane array sensor configured for a first waveband and a second single-color focal plane array sensor configured for a second
waveband;

foreoptics coupled to the integrated dewar assembly and configured to direct and focus light from an entrance pupil of the
optical imaging system into an optical beam incident on at least one of the plurality of single-color focal plane array sensors,
wherein the foreoptics comprises a wide field-of-view telescope including at least four mirrors, one of the at least four
mirrors being a movable optical element;

a tilt mechanism coupled to the movable optical element and configured to move the movable optical element over a range of
angular motion so as to sequentially direct the optical beam onto the first single-color focal plane array sensor and then
onto the second single-color focal plane array sensor; and

an image processor coupled to the two-dimensional multi-waveband staring detector and configured to spatially combine the
two-dimensional staring image signals from the first and second single-color focal plane array sensors to produce a multi-wavelength
image.

US Pat. No. 9,225,914

INFRARED IMAGING SYSTEM

RAYTHEON COMPANY, Waltha...

1. An infrared imaging sensor compatible with upgrade of second generation forward looking infrared (FLIR) B-kits, comprising:
a set of refractive opto-mechanical modules configured to receive and create video from infrared electromagnetic radiation
in at least the mid-wave infrared (MWIR) and long-wave infrared (LWIR) spectral bands, the set of refractive opto-mechanical
modules including an afocal optical module having an eyepiece and configured to provide a plurality of fields of view for
the infrared imaging sensor;

a receiver assembly including a detector in a Dewar optically coupled to the eyepiece and configured to receive the infrared
electromagnetic radiation from the eyepiece and to generate an electronic image from the infrared electromagnetic radiation,
the receiver further including an imager configured to direct the infrared electromagnetic radiation from the afocal optical
module to the detector in the Dewar; and

at least one electronics module configured to provide an electronic interface for the infrared imaging sensor, and to process
the electronic image.

US Pat. No. 9,277,141

SYSTEM, METHOD, AND SOFTWARE FOR IMAGE PROCESSING

Raytheon Company, Waltha...

1. An image processing system comprising:
an infrared camera;
one or more memory units; and
one or more processing units operable to:
receive, from the camera, a video signal comprising data for one or more images;
determine a region of interest in a particular image of the one or more images; and
transmit, to the camera, a control signal instructing the camera to generate a peripheral region of one or more subsequent
images with a reduced information intensity level relative to an information intensity level with which a region of interest
of the one or more subsequent images are generated, the region of interest of the one or more subsequent images corresponding
to the region of interest of the particular image, the peripheral region comprising portions of the subsequent one or more
images other than the region of interest, the peripheral region comprising a plurality of rows,

wherein the camera comprises a focal plane array device operable to generate the video signal by scanning light representing
the one or more images, the focal plane array device generating the peripheral region of the one or more subsequent images
with reduced information intensity level by scanning fewer than all of the rows of the peripheral region of the one or more
subsequent images,

wherein the one or more processing units comprise an image processor, the image processor being a distributed processor comprising
a plurality of processors;

wherein a first component of the image processing system is connected to a second component of the image processing system
via a network,

wherein the network comprises a LAN and is configured to communicate data packets of a kind selected from the group consisting
of IP packets, Frame Relay frames, and Asynchronous Transfer Mode (ATM) cells,

wherein the image processing system further comprises a display connected to the image processor, and
wherein the image processing system is configured to selectively turn off the focal plane array device while scanning in the
peripheral region.

US Pat. No. 9,485,869

RF PRINTED CIRCUIT BOARD INCLUDING VERTICAL INTEGRATION AND INCREASED LAYOUT DENSITY

RAYTHEON COMPANY, Waltha...

1. A printed circuit board having a plurality of circuit channels formed thereon, the printed circuit board comprising:
a body extending along a first direction to define a length, and a second direction perpendicular to the first direction to
define a width, the body including:

at least one layer extending in a third direction perpendicular to the first direction and the second direction, the at least
one layer interposed between a first surface and an opposing second surface, wherein the at least one layer includes a first
layer portion and a second layer portion; and

a plurality of surface portions formed on at least one of the first surface and the second surface, the plurality of surface
portions including a first surface portion having a first surface sub-circuit formed thereon, and a second surface portion
having a second surface sub-circuit formed thereon, the first and second surface portions formed from an electrically conductive
material;

the printed circuit board including at least one surface sub-circuit of a first circuit channel among the plurality of circuit
channels, the at least one surface sub-circuit formed on at least one of the first and second surfaces; and

at least one embedded sub-circuit of the first circuit channel, the embedded sub-circuit being different from the at least
one surface sub-circuit and being embedded in the at least one layer,

wherein the at least one embedded sub-circuit includes a first strip-line filter embedded in the first layer portion and a
second strip-line filter embedded in the second layer portion, the first and second strip-line filters being electrically
isolated from the first and second surface portions.

US Pat. No. 9,280,031

METHODS AND APPARATUS FOR IDLER EXTRACTION IN HIGH POWER OPTICAL PARAMETRIC AMPLIFIERS

RAYTHEON COMPANY, Waltha...

1. A multi-stage optical parametric amplifier comprising:
an amplifier chain including a plurality of gain stages, each gain stage including a non-linear optical crystal, the plurality
of gain stages configured to receive a signal seed and a pump beam and to produce an idler beam and an amplified signal, the
pump beam having a non-uniform spatial profile; and

a plurality of idler extractors including at least one walk-off beam displacer crystal, the plurality of idler extractors
configured to substantially preclude the idler beam from further interaction with the amplified signal and the pump beam,
the plurality of idler extractors being located prior to those points within the amplifier chain where at least a portion
of the pump beam spatial profile would become depleted in the absence of each idler extractor.

US Pat. No. 9,218,989

AEROGEL DIELECTRIC LAYER

RAYTHEON COMPANY, Waltha...

1. A circuit board assembly comprising:
a circuit board;
a flip-chip attached to the circuit board, the flip-chip having a plurality of sensitive components hieing, the circuit board
and spaced from the circuit board in a flip-chip configuration;

a plurality of dielectric layer regions respectively covering the plurality of sensitive components between the flip-chip
and the circuit board, wherein the dielectric layer regions are laterally separated and comprise an aerogel; and

an underfill between the flip-chip and the circuit board, the underfill disposed between the dielectric layer regions and
connected to the circuit board and the flip-chip at locations between the dielectric layer regions.

US Pat. No. 9,246,303

METHOD AND APPARATUS FOR TEMPORALLY CONCENTRATING PUMP POWER TO SUPPORT GENERATION OF HIGH PEAK-POWER PULSE BURSTS OR OTHER TIME-VARYING LASER OUTPUT WAVEFORMS

Raytheon Company, Waltha...

1. A method comprising:
accumulating optical pump power in a first laser gain medium during a first period of time, the first laser gain medium optically
located within a resonator;

providing at least some of the accumulated optical pump power as a first laser output with a feedback-controlled waveform
from the first laser gain medium to a second laser gain medium during a second period of time, the second period of time substantially
shorter than the first period of time; and

generating a second laser output comprising a burst of laser pulses using the second laser gain medium as a power amplifier,
wherein the first and second laser outputs have higher power levels during the second period of time compared to a power level
of the optical pump power during the first period of time.

US Pat. No. 9,236,660

ELECTROMAGNETIC ATTENUATING OBJECT AND METHOD OF ELECTROMAGNETIC ATTENUATION

Raytheon Company, Waltha...

1. An electromagnetic-attenuating object comprising:
an operational part of the object; and
a boot covering at least part of an exterior surface of the operational part;
wherein the boot includes:
a thermoplastic material; and
an electromagnetic attenuation material overlapping at least part of the thermoplastic material;
wherein the boot has a shape corresponding to a shape of the at least part of the exterior surface of the operational part;
and

wherein the boot is attached to the at least part of the exterior surface at least in part by heat shrinking the thermoplastic
material onto the at least part of the exterior surface.

US Pat. No. 9,262,055

HEAT MAP CAROUSEL FOR DISPLAYING HEALTH AND STATUS INFORMATION FOR AN ELECTRO-MECHANICAL SYSTEM

Raytheon Company, Waltha...

1. A method of displaying health and status information for an electro-mechanical system in a carousel view on a display,
said method comprising:
defining a set including a plurality of sub-systems, each sub-system including one or more instances of hardware components
from one or more categories and sub-categories, each instance characterized by one or more identifiers and one or more health
and status attributes, each said attribute having an assigned value indicative of the health and status of the instance;

polling the system for health and status information to update the attribute values for each instance of each sub-system in
the set;

defining a heat map having rows and columns of cells;
for each sub-system in the set, mapping the one or more instances of hardware components from the one or more categories and
sub-categories to different cells in the heat map based either on the category and sub-category designation of the instance
or on a location of the instance within a physical area of the sub-system and mapping the attribute values for the one or
more instances to a color to color the cells of the heat map and provide a different heat map for each sub-system, each said
color indicative of a different state of the health and status of an instance;

assigning each heat map to a different bin in a carousel data structure, said bins and heat maps being linked in an ordered
list;

displaying at least one of the heat maps in the ordered list in a carousel display panel on the display, one said heat map
displayed as a focus heat map;

displaying an inset view of the system with a spatial layout of the sub-systems in the set adjacent to the carousel display
panel, each said sub-system displayed as an icon;

highlighting the sub-system icon in the inset view that corresponds to the focus heat map to provide a visual cue for the
focus heat map;

in response to an operator input, rotating the carousel to display a different heat map as the focus heat map in the carousel
display panel and to highlight a different sub-system icon in the inset view that corresponds to the new focus heat map; and

in response to an operator selection of a cell in the focus heat map, displaying health and status information for the selected
cell on the display.

US Pat. No. 9,235,811

CREATION OF A MAXIMALLY ENTANGLED QUANTUM STATE

RAYTHEON COMPANY, Waltha...

1. A method for engineering an optical quantum computing structure, comprising:
etching a plurality of gaps in an electro-optical slab to define a plurality of fingers that extend between a first horizontal
side and a second horizontal side of the electro-optical slab, the plurality of fingers constructed from an electro-optical
material coupled to a plurality of optical feed lines to form a respective waveguide;

disposing a semiconductor quantum well structure at a first vertical surface of the electro-optical slab;
outputting light from the plurality of fingers along a first axis to strike at least one layer of the semiconductor quantum
well structure and generate a spectrum of energy transitions;

applying an electric field to the electric field electrodes along a second axis perpendicular to the first axis;
measuring energy eigenstates of a Hamiltonian of the optical quantum computing structure in response to recording the spectrum
of energy transitions;

predicting a time evolution of a combination of two energy eigenstates of the optical quantum computing structure based on
the measurement; and

controlling the electric field to create an entangled quantum state for two coefficients of the two energy eigenstates such
that an associated wavefunction is encouraged to undergo the predicted time evolution.

US Pat. No. 9,222,457

WAVE ENERGY CONCENTRATION USING WATER WAVE BAND GAP STRUCTURE WITH DEFECT CAVITIES

Raytheon Company, Waltha...

1. A water wave energy harvesting system comprising:
a water wave band gap structure (WWBGS) having an array of posts, the WWBGS having one or more defect cavities, each of the
one or more defect cavities being at least one missing post within the array, the one or more defect cavities configured to
concentrate energy of the water waves, wherein at least one of: the array of posts is periodic with substantially equal distances
between posts, and the posts in the array are arranged in multiple dimensions.

US Pat. No. 9,263,961

WIDE INPUT DC/DC RESONANT CONVERTER TO CONTROL REACTIVE POWER

RAYTHEON COMPANY, Waltha...

1. A DC/DC resonant converter system, comprising:
a primary converter unit including a resonant tank circuit, the primary converter unit further including a plurality of primary
switching units that form a primary H-bridge circuit configured to regulate the current flowing into the resonant tank circuit,
the primary H-bridge circuit including a first leg having first and second primary switching units, and a second leg having
second and third primary switching units;

a controlled secondary rectifier unit including a plurality of rectifier switching units to reduce reactive power in the primary
converter unit, the secondary rectifier unit including controlled bridge having a third leg with a first unidirectional switching
unit connected to a first bridge diode, and a fourth leg with a second unidirectional switching unit connected to a second
bridge diode; and

a phase-shift controller in electrical communication with the primary converter unit and the controlled secondary rectifier
unit, the phase-shift controller configured to determine a rectifier phase-shift angle based on the plurality of primary switching
units and to control switching of the plurality of rectifier switching units based on the rectifier phase-shift angle,

wherein the controlled bridge further comprises:
a transformer having a center-tap node, the transformer including a first end connected between the first unidirectional switching
unit and the first bridge diode, and a second end connected between the second unidirectional switching unit and the second
bridge diode; and

a center-tap diode including an anode connected to the center-tap node of the transformer and a cathode connected in common
with the first and second unidirectional switches.

US Pat. No. 9,132,496

REDUCING FORMATION OF OXIDE ON SOLDER

Raytheon Company, Waltha...

1. A method, comprising:
receiving a first substrate into a first chamber having an interior space substantially sealed from an environment external
to the first chamber, wherein the first substrate comprises a portion of solder formed therein; and

performing all of the following actions while the first substrate is disposed within the first chamber:
plasma cleaning the first substrate under substantial vacuum conditions, a first time;
depositing a capping layer of material to the first substrate after the first substrate has been plasma cleaned the first
time;

plasma cleaning the first substrate, under substantial vacuum conditions, a second time, after the first substrate has had
a capping layer deposited to it; and

bonding the first substrate to a second substrate that is received within the first chamber, the bonding occurring under substantial
vacuum conditions, wherein the bonding occurs after the first substrate has been plasma cleaned first and second times and
has had the capping layer deposited to it.

US Pat. No. 9,275,267

SYSTEM AND METHOD FOR AUTOMATIC REGISTRATION OF 3D DATA WITH ELECTRO-OPTICAL IMAGERY VIA PHOTOGRAMMETRIC BUNDLE ADJUSTMENT

Raytheon Company, Waltha...

1. A system for automatically registering 3D data with a multispectral image, the system comprising processing circuitry arranged
to:
obtain a panchromatic-sharpened multispectral image having image coordinates;
extract ground control point coordinates (GCPs) from the image and from a set of corresponding 3D data, the 3D data including
a plurality of 3D geodetic coordinates;

input the ground control points into a photogrammetric bundle adjustment (BA);
generate at least one set of corrected rational polynomial coefficients from the photogrammetric bundle adjustment; and
colorize the 3D data with the corrected rational polynomial coefficients to generate and store red, green, and blue values
for each 3D geodetic coordinate.

US Pat. No. 9,268,551

RUNTIME CREATION, ASSIGNMENT, DEPLOYMENT AND UPDATING OF ARBITRARY RADIO WAVEFORM TECHNIQUES FOR A RADIO WAVEFORM GENERATION DEVICE

Raytheon Company, Waltha...

1. A programmable device for providing runtime implementation of a plurality of waveform parameters techniques as defined
by frequency, phase, and amplitude of a waveform as a function of time, comprising:
a parser arranged to parse packet data files to generate channel properties associated with at least one of the plurality
of waveform parameters techniques;

a user application, coupled to the parser, the user application arranged to process the channel properties into channelized
waveform data according to the at least one of the plurality of waveform parameters techniques;

a packetizer, coupled to the user application, the packetizer arranged to packetize the channelized waveform data; and
a digital-to-analog converter, coupled to the packetizer, the digital-to-analog converter arranged to convert the channelized
waveform data to analog RF signals representing the waveform corresponding to the at least one of the plurality of waveform
parameters techniques.

US Pat. No. 9,380,703

CARRIER BOARD FOR ATTACHMENT OF INTEGRATED CIRCUIT TO CIRCUIT BOARD

RAYTHEON COMPANY, Waltha...

1. An electronics system comprising:
a main circuit board;
main circuitry located on the main circuit board;
a carrier board located on top of the main circuit board;
an integrated circuit (IC), wherein a main portion of the IC is located adjacent to the carrier board, such that the main
portion of the IC is not located on top of the carrier board, and wherein a lead of the IC is extends from the main portion
of the IC over the carrier board such that the lead is located on top of the carrier board, wherein the lead of the IC on
the carrier board is electrically connected to the main circuitry on the main circuit board via a bridging wire that extends
from the carrier board to the main circuitry on the main circuit board; and

a layer of adhesive located between the carrier board and the main circuit board.

US Pat. No. 9,273,965

METHOD FOR DETERMINING FUTURE POSITION BOUNDARY FOR A MOVING OBJECT FROM LOCATION ESTIMATES

Raytheon Company, Waltha...

1. A computer implemented method for estimating a boundary for a future location of a moving object, the method comprising:
receiving, by a receiver, location information about two previous locations of the moving object represented by a first and
a second elliptical error probabilities (EEPs);

converting the parameters of each of the first and the second EEPs to parameters of a quadratic form to represent said each
of the first and the second EEPs as a conic section via an implicit quadratic equation;

computing four tangent lines from the implicit quadratic equation, each tangent line being tangent to both of the first and
the second EEPs;

determining two transverse tangent lines from the four tangent lines to provide a maximum angle formed by a vector passing
from the first EEP to the second EEP;

constructing a cone in a direction from the first EEP to the second EEP from the two transverse tangent lines; and
estimating the boundary of the future location of the moving object as a first side of the cone formed by a first transverse
tangent line and a second side of the cone formed by a second transverse tangent line, of the two transverse tangent lines.

US Pat. No. 9,258,387

SYSTEM FOR SCAN ORGANIZING, MANAGING AND RUNNING ENTERPRISE-WIDE SCANS BY SELECTIVELY ENABLING AND DISABLING SCAN OBJECTS CREATED BY AGENTS

RAYTHEON COMPANY, Waltha...

1. A system for managing multiple scans across a computer network, the system comprising:
a central computer configured to organize and manage a plurality of different scans across a number of different computer
workstations in a computer network;

a number of client computers, the client computers communicating with the central computer via the computer network, each
of the client computers including one or more agents configured to create a series of scan objects that are selectively enabled
and disabled to perform a scan of the client computer, each scan object containing a scan name, description, and a type of
scan to be performed, and each scan object assigned a scan setting including file paths to be searched, scanning intervals
and start times;

the client computers including an agent server protocol that formats search details specified by the scan object prior to
activating the scan object, the agent configured to determine at least one enabled scan object among the series of scan objects
and the prior formatted searched details, and create search parameters based upon the at least one scan object in response
to enabling the at least one scan object, the search parameters being formatted by way of the agent server protocol, and sending
formatted search parameters to one or more agents via the computer network, whereby the agents carry out scans in accordance
with the formatted search parameters;

a database associated with the central computer, the database containing a plurality of different scan objects and the scan
setting assigned to each scan object, each of the scan objects containing details regarding a type of scan to be performed;
and

a graphical user interface (GUI) configured to display a list of each scan object individually and communication commands
to the central computer, whereby the GUI enables users to initiate a scan by an agent in accordance with the details specified
by a corresponding scan object, the GUI configured to display scan activity by way of the GUI, the scan activity including
a number of agents currently in the process of scanning, a number of agents that have successfully completed a scan, and a
number of events recorded,

wherein an application adapter is delivered to the agents prior to a search being initiated, and wherein the central computer
formats the application adapter by way of the agent server protocol, the formatted application adapters interfacing with the
agents and enabling the scans specified by the scan objects and sending the formatted application adapters to one or more
agents via the computer network.

US Pat. No. 9,243,869

WEAPON POSTURING SYSTEM AND METHODS OF USE

Raytheon Company, Waltha...

1. A method for changing the posture of a weapon coupled to a sensor system, the method comprising:
aligning a boresight of the weapon with a line of sight of the sensor system; and
remotely operating a movement mechanism coupled between the sensor system and the weapon to pivot the boresight of the weapon
relative to the line of sight of the sensor system to first and second different configurations, wherein, in the first configuration,
the weapon mount has a position such that the boresight of the weapon is aligned in accordance with the line of sight of the
sensor system, and wherein, the second configuration, the weapon mount is decoupled from alignment with the line of sight
of the sensor system and the weapon mount and the sensor system are both rotated to respective stowed postures in which the
boresight of the weapon is rotated upward or downward to a non-threatening angle and the line of sight of the sensor system
is rotated upward or downward to a protective angle selected to protect optical component of the sensor system.

US Pat. No. 9,231,287

ISOTHERMAL TERMINATOR AND METHOD FOR DETERMINING SHAPE OF ISOTHERMAL TERMINATOR

RAYTHEON COMPANY, Waltha...

17. An isothermal terminator system, comprising:
a waveguide comprising an inwardly facing surface defining a propagation channel through which electro-magnetic (EM) radiation
is directed, the inwardly facing surface having a same width at an axial terminus thereof and at a recessed axial location
thereof, which is axially recessed from the axial terminus; and

a terminator including a body having an exterior surface and an interior surface having a concave cone shape opposite the
exterior surface, the terminator being disposed in the propagation channel such that a curvature of the exterior surface continues
toward an angular interface with the inwardly facing surface at the recessed axial location of the waveguide and with the
axial terminus of the waveguide extending axially substantially beyond the interior surface, and such that the EM radiation
is incident on the exterior surface to raise a temperature of the body;

the body being substantially isothermal with the EM radiation being incident on the exterior surface and having a second order
increasing opening angle with reference to a center axis of the concave cone shape.

US Pat. No. 9,275,339

SYSTEM AND METHOD FOR PROBABILISTIC NAME MATCHING

Raytheon Company, Waltha...

1. A method comprising:
determining a first set of possible intended person names as a function of a first person name;
determining a second set of possible intended person names for each person name in a set of names in a person name variant
database;

probabilistically matching a person name from the first set of possible intended person names to a person name from the second
set of possible intended person names; and

wherein probabilistically matching includes determining a weight associated with typing the first person name but intending
to type another person name in the first set of possible intended person names and determining the probability of typing a
person name in the set of person names in the name variant database but intending to type a person name from the second set
of possible intended person names using a hidden Markov model to model a cognitive and transcription error process associated
with a user typing the person name in the set of person names in the person name variant database and disambiguate entries
in the person name variant database.

US Pat. No. 9,270,372

FREE-SPACE OPTICAL MESH NETWORK

Raytheon Company, Waltha...

1. A network comprising:
four or more nodes, each node having a plurality of optical data terminals to provide optical beam hopping capability to connect
to at least two remote nodes using an optical link;

wherein each of the nodes includes:
a network node controller;
a network processor;
an RF system connected to the node controller and the network processor, establishing RF links with each of the other nodes,
and monitoring spatial and temporal information of each of the other nodes; and

an optical system connected to the network node controller and including an optical bench and the optical data terminals;
wherein at least a first pair of nodes and a second pair of nodes connected in a first network topology during a first period
of time, and

wherein at least a different first pair of nodes and a different second pair of nodes connected in a second network topology
during a second period of time,

wherein a first data path is established among the connected nodes during the first period of time and a second data path
is established among the connected nodes during a second period of time,

wherein adaptive routing and link switching are used to select the first and second network topology based upon the number
of nodes in the network and based on the spatial and temporal information of the nodes in the network.

US Pat. No. 9,243,914

CORRECTION OF NAVIGATION POSITION ESTIMATE BASED ON THE GEOMETRY OF PASSIVELY MEASURED AND ESTIMATED BEARINGS TO NEAR EARTH OBJECTS (NEOS)

Raytheon Company, Waltha...

1. A method of refining a position estimate for a platform, comprising:
providing the platform with the orbits of near Earth objects (NEOs);
providing a position estimate of the platform;
using a stellar camera to passively make bearing only measurements from the platform to each of three or more NEOs;
estimating a bearing from the platform to each of the three or more NEOs from the current position estimate of the platform
and known positions of the NEOs from their orbits;

directly calculating a position error of the platform from the geometry of the measured and estimated bearings for the three
or more NEOs; and

using the position error to correct the position estimate for the platform.

US Pat. No. 9,191,112

ANALOG OPTICAL FIBER-BASED SIGNAL DISTRIBUTION SYSTEM AND METHOD

Raytheon Company, Waltha...

1. An analog, fiber-based signal distribution system, comprising:
a frequency multiplier configured to receive a first periodic electrical signal at a base frequency and convert the first
periodic electrical signal to a second periodic electrical signal at an elevated frequency greater than the base frequency;

an optical source configured to convert the second periodic electrical signal to a third periodic optical signal at the elevated
frequency;

an optical amplifier configured to amplify the third periodic optical signal to produce a fourth periodic optical signal at
the elevated frequency; and

an optical fiber configured to receive the fourth periodic optical signal and direct a respective sixth periodic optical signal
to a remote unit,

the remote unit comprising:
an optical detector configured to receive the sixth periodic optical signal at the elevated frequency and produce a seventh
periodic electrical signal at the elevated frequency; and

a frequency divider configured to receive the seventh periodic electrical signal at the elevated frequency and produce an
eighth periodic electrical signal at the base frequency.

US Pat. No. 9,295,072

SYSTEM AND METHODS FOR USING COMMUNICATION RESOURCES

Raytheon Company, Waltha...

1. A method of using communication resources, the method comprising:
receiving a request from a first radio frequency (RF) task to use antenna aperture resources;
accessing a prioritized list of RF tasks to determine a priority level of the requesting first RF task;
allocating an antenna aperture to the first RF task within a response time of the request, the response time being based on
the priority level of the first RF task;

executing the first RF task through the allocated antenna aperture by:
spawning a thread to execute the first RF task; and
executing the thread in parallel, for a time duration including time slices, with other threads of other RF tasks to which
the antenna aperture resource is allocated; and

allocating time slices of the antenna aperture or another antenna aperture to another RF task that is lower in priority than
the first RF task based on an inspection of the list of RF tasks.

US Pat. No. 9,254,898

HULL ROBOT WITH ROTATABLE TURRET

Raytheon Company, Waltha...

22. A hull robot comprising:
a drive subsystem for maneuvering the robot about the hull; and
a turbine subsystem movable relative to the drive subsystem and responsive to fluid flowing past the hull as the hull moves
through the fluid, the turbine subsystem operating the drive subsystem and comprising a turbine intake,

wherein an orientation of the turbine intake is maintained in alignment with a direction of the fluid flowing outside the
hull robot and past the hull as the robot maneuvers about the hull in different directions along multiple axes.

US Pat. No. 9,229,216

SYSTEMS AND METHODS FOR PROTECTION OF EYEPIECE DISPLAYS

RAYTHEON COMPANY, Waltha...

1. An electronic eyepiece comprising:
a digital microdisplay;
an electrically switchable light blocking mechanism configured to selectively transmit or block light transmitted along an
optical path toward the digital microdisplay;

a light detector having a field of view matching a field of view of the eyepiece and configured to provide a first signal
indicative of a brightness of light entering the eyepiece;

a use sensor configured to provide a second signal indicative of likely use or disuse of the electronic eyepiece, the use
sensor including a proximity sensor configured to detect a presence of a user of the electronic eyepiece and to provide the
second signal responsive to detection of the presence of the user; and

a controller coupled to the electrically switchable light blocking mechanism, to the use sensor, and to the light detector,
the controller being configured to:

receive the first and second signals,
based on the first signal, determine whether a risk of damage to the microdisplay from the light transmitted along the optical
path toward the digital microdisplay exceeds a predetermined risk threshold,

adjust the predetermined risk threshold responsive to the second signal, and
responsive to determining that the predetermined risk threshold is exceeded, to provide a control signal to the electrically
switchable light blocking mechanism to control the electrically switchable light blocking mechanism to block the light transmitted
along the optical path toward the digital microdisplay.

US Pat. No. 9,281,820

MINIMIZING POWER CONSUMPTION IN ASYNCHRONOUS DATAFLOW ARCHITECTURES

RAYTHEON COMPANY, Waltha...

1. An asynchronous pipeline structure, comprising:
a plurality of functional blocks comprising dynamic logic, each functional block configured to be precharged to an idle state
responsive to a precharge control signal applied thereto, with each functional block further configured to, upon being precharged,
receive input data thereto for processing, and each functional block configured to hold output data generated thereby during
an evaluate phase, independent of a reset of the input data;

for each functional block, a completion detector circuit coupled to the output of the functional block, the completion detector
circuit configured to generate an acknowledgement signal that indicates validity or absence of data at the output of the functional
block; and

for each functional block, a precharge control circuit configured to generate a precharge signal, wherein for a given functional
block, a first input to the precharge control circuit comprises the acknowledgment signal from a downstream completion detector,
and a second input to the precharge control circuit comprises the precharge signal from an upstream precharge control circuit;

wherein the precharge signal is independent of the acknowledgement signal of an upstream completion detector.

US Pat. No. 9,241,115

INFRARED SCENE PROJECTOR

RAYTHEON COMPANY, Waltha...

1. An apparatus for displaying a scene with light in a range of infrared wavelengths, the apparatus comprising:
an array of elements configured to emit light in a range of infrared wavelengths, each element comprising one or more nanotubes,
wherein the one or more nanotubes are configured to emit light in the range of infrared wavelengths;

a stimulator configured to apply a stimulus to each element in the array in order for each element to emit light in the range
of infrared wavelengths, wherein the stimulator comprises an electrode coupled to each element and an electric current router
configured to route electric current to the electrode of one or more selected elements in the array to display the scene;
and

a processor configured to send a signal to the stimulator in order to apply the stimulus to one or more selected elements
in the array to display the scene.

US Pat. No. 9,230,333

METHOD AND APPARATUS FOR IMAGE PROCESSING

Raytheon Company, Waltha...

1. A method for processing images, comprising:
receiving, at an image processor, a set of frozen images, the set of frozen images being obtained by removing apparent motion
between images captured from a mobile imaging platform, the apparent motion arising due to motion of the mobile imaging platform
and the images corresponding to a scene changing with time;

decomposing, at the image processor, the set of frozen images to detect static objects, leaner objects, and mover objects
in the scene, the mover objects being objects that change spatial orientation in the scene with time due to motion of the
objects, and leaner objects being stationary features that appear to change spatial orientation in the scene with time due
to motion of the mobile imaging platform; and

compressing, using the image processor, the static objects, leaner objects, and mover objects in the scene separately using
different compression techniques for storage and/or transmission.

US Pat. No. 9,279,724

IMAGING SPECTROMETER WITH EXTENDED RESOLUTION

RAYTHEON COMPANY, Waltha...

1. An interferometric transform spectrometer system comprising:
a Michelson interferometer configured to introduce a varying optical path length difference (OPD) between two arms of the
Michelson interferometer so as to produce an interferogram;

a detector positioned at a focal plane of the Michelson interferometer and configured to receive and sample the interferogram;
and

a scan controller coupled to the detector and to Michelson interferometer and configured to control the Michelson interferometer
to vary the OPD in discrete steps such that the detector provides, for each of a first and second scan segment, M samples
of the interferogram, wherein for the first scan segment, the M samples have a uniform or non-uniform sample spacing and the
OPD has a first maximum value, and for the second scan segment, the M samples have an incrementally increasing sample spacing
and the OPD has a second maximum value that is at least twice the first maximum value.

US Pat. No. 9,237,043

METHOD AND APPARATUS TO PROVIDE SIMULTANEOUS SENSING AND TRANSMISSION FOR DYNAMIC SPECTRUM ACCESS

RAYTHEON COMPANY, Waltha...

1. A method comprising:
obtaining baseband transmit data;
generating a multicarrier transmit signal using the baseband transmit data;
transmitting the multicarrier transmit signal from a transmit antenna;
receiving a composite receive signal at a receive antenna, the composite receive signal having a component associated with
the multicarrier transmit signal;

performing analog RF cancellation to reduce a level of the multicarrier transmit signal component of the composite receive
signal to generate an RF cancelled receive signal;

processing the RF cancelled receive signal in an RF receiver to generate a digital receive signal; and
performing digital cancellation on the digital receive signal to reduce remnants of the multicarrier transmit signal therein,
wherein performing digital cancellation includes performing cancellation on a subcarrier by subcarrier basis, wherein performing
digital cancellation comprises modifying amplitudes and phases associated with individual subcarriers of the digital receive
signal in accordance with a digital cancellation signal.

US Pat. No. 9,293,924

ELECTRICAL PHASE SYNCHRONIZATION

RAYTHEON COMPANY, Waltha...

6. A method for electrical phase synchronization, the method comprising:
determining by a mobile electrical power generation device a transmission line distance between a geographic location of a
mobile electrical power source and a geographic location of a known input location having a pre-defined electrical phase configuration
on an electrical power transmission network;

calculating independently and autonomously from any other phase synchronizing device or controller a time for transmission
and a phase at transmission for electrical power generated by the mobile electrical power source to be transmitted to the
known input location on the electrical power transmission network based only on the transmission line distance, a time synchronization
data, and a pre-defined electrical phase configuration data for the known input location;

and phase synchronizing the electrical power from the mobile electrical power source to be input to the electrical power transmission
network based on the time for transmission and phase at transmission to the known input location on the electrical power transmission
network,

wherein the mobile electrical power generation device is communicatively isolated from any electrical phase synchronization
device of the electrical power transmission network, and at least one associated control unit is configured to phase synchronize
the electrical power from the mobile electrical power source again when a change in a geographic position of the electric
power generation device occurs.

US Pat. No. 9,239,372

EXTRACTING SPECTRAL FEATURES FROM A SIGNAL IN A MULTIPLICATIVE AND ADDITIVE NOISE ENVIRONMENT

Raytheon Company, Waltha...

1. An improved method of operating a RADAR or wireless communications signal processing apparatus implemented as either one
or more programmable processors or as special purpose logic circuitry for detecting channel-induced and target-induced chirps
in a signal or for classifying a target from a signal using spectral feature extraction, the method comprising:
operating a spectral feature extracting engine of the apparatus to:
remove direct current bias from a RADAR or wireless communication signal captured by a receiver, the signal having impairments
including multiplicative and additive noise, in order to produce a bias-free signal;

transform the bias-free signal into a time-frequency spectrum;
slice the time-frequency spectrum across time into time-frequency slices, each of the time-frequency slices having spectral
content representing a measure of power spectral density of the bias-free signal at a given point in time;

compute an initial detection threshold associated with the given signal from the time-frequency slices;
compare, for at least some of the time-frequency slices the spectral content of a subject time-frequency slice with the computed
initial detection threshold to identify an initial detection;

determine a spectral detection density as a function of a number of initial detections being identified and number of time-frequency
slices being compared; and

operating a chirp detecting engine of the apparatus to detect channel-induced and target-induced chirp(s) present in the given
signal based on the determined spectral detection density or, a target classifying engine of the apparatus to classify a target
from the given signal based on the determined spectral detection density, thereby improving an ability to detect the channel-induced
and target-induced chirps in the RADAR or the wireless communication signal impaired with multiplicative and additive noise.

US Pat. No. 9,235,115

OPTICAL AIR SLIT AND METHOD FOR MANUFACTURING OPTICAL AIR SLITS

RAYTHEON COMPANY, Waltha...

1. A method for forming a structure having an optical slit therein, comprising;
forming an opening vertically through the substrate from a bottom surface of the substrate to an upper surface of the substrate
comprising successively removing material of the substrate from the bottom surface of the substrate through the substrate
to the upper surface of the substrate;

filling the opening with a sacrificial material, such sacrificial material extending through a portion of the opening with
portion of the sacrificial material being disposed onto adjacent portions of the upper surface of the substrate;

polishing the sacrificial material to remove the portions of the sacrificial material disposed onto adjacent portions of the
upper surface of the substrate;

forming a metalized layer on the upper surface of the substrate and the polished sacrificial material;
applying a photolithographically processable material on an upper surface of the metalized layer;
photolihographically forming a slit in the photolithographically processable material to expose a portion of the upper surface
of the metallized layer, such slit being disposed over the opening in the portion of the substrate;

etching to remove the exposed portion of the upper surface of the metalized layer to expose an underlying portion of the sacrificial
material while retaining unexposed portions of the metallized layer;

removing the sacrificial layer and the photolithographically processable material.

US Pat. No. 9,407,150

HIGH EFFICIENCY ZERO-VOLTAGE SWITCHING (ZVS) ASSISTANCE CIRCUIT FOR POWER CONVERTER

Raytheon Company, Waltha...

10. An apparatus comprising:
a power converter configured to convert input power into output power, the power converter comprising first and second converter
bridges, each converter bridge comprising multiple transistors; and

a zero-voltage switching (ZVS) assistance circuit comprising first and second inverse controlled rectifiers (ICRs), each of
the first and second ICRs configured to provide current to the transistors in the first and second converter bridges;

wherein the first converter bridge further comprises a first winding of a first auxiliary transformer and a first winding
of a second auxiliary transformer;

wherein the second converter bridge further comprises a second winding of the first auxiliary transformer and a second winding
of the second auxiliary transformer;

wherein each auxiliary transformer further comprises a third winding configured to electrically couple the first and second
converter bridges and one of the ICRs;

wherein the first winding of the first auxiliary transformer is coupled across a first pair of transistors and a second pair
of transistors in the first converter bridge;

wherein the second winding of the first auxiliary transformer is coupled across a first pair of transistors and a second pair
of transistors in the second converter bridge;

wherein the first winding of the second auxiliary transformer is coupled between the first pair of transistors in the first
converter bridge and the first pair of transistors in the second converter bridge; and

wherein the second winding of the second auxiliary transformer is coupled between the second pair of transistors in the first
converter bridge and the second pair of transistors in the second converter bridge.

US Pat. No. 9,299,042

PREDICTING EDGES IN TEMPORAL NETWORK GRAPHS DESCRIBED BY NEAR-BIPARTITE DATA SETS

Raytheon Company, Waltha...

1. A method for predicting a future state of a set of data, comprising:
obtaining a set of data in a first domain;
mapping the set of data into a second domain;
applying a plurality of prediction models to the set of data in the second domain to produce a plurality of predicted sets
of data including applying a Fourier transform to characterize each of the plurality of prediction models;

combining the predicted sets of data to generate a combined predicted set of data having a best match; and
reverse mapping the combined predicted sets of data having the best match to the first domain.

US Pat. No. 9,274,762

SYSTEM AND METHOD FOR DEVELOPING AN OBJECT-ORIENTED SYSTEM

Raytheon Company, Waltha...

1. A method for developing an object-oriented system comprising:
receiving, at a computer, a request to transliterate a textual flow of events into an activity diagram;
transliterating the textual flow of events into an activity diagram, the activity diagram comprising a plurality of actions
and a plurality of objects within a common swim lane;

affinitizing the plurality of actions within the common swim lane into a plurality of classes, each of the plurality of classes
comprising at least one of the plurality of actions;

automatically defining the affinitized actions as operations for each of the plurality classes respectively;
automatically defining one or more of the plurality of objects within the common swim lane as attributes for one or more of
the plurality of classes, wherein at least one of the one or more of the plurality of objects is created based on a relationship
between a first action and a second action, the at least one object indicating a flow of data between the first action and
the second action; and

displaying a model representing the object-oriented system.

US Pat. No. 9,269,497

INTEGRATED CAPACITIVELY-COUPLED BIAS CIRCUIT FOR RF MEMS SWITCHES

RAYTHEON COMPANY, Waltha...

18. A switching system, comprising:
a substrate;
a microwave transmission line having an input portion and an output portion and configured to transmit microwave energy;
a switchable capacitor on the substrate and coupled between the input and output portions of the microwave transmission line,
the switchable capacitor comprising:

a first electrode coupled to the input and output portions of the microwave transmission line;
a dielectric layer on the first electrode;
a second electrode configured to be suspended in an undeflected position over the dielectric layer in a de-activated state,
and to deflect toward the first electrode in an activated state in response to a voltage difference between the first and
second electrodes, a gap between the second electrode and the dielectric layer in the activated state being less than a corresponding
gap in the de-activated state; and

a capacitor electrically coupled to one of the first and second electrodes and configured to reduce the voltage difference
between the first and second electrodes as the second electrode deflects toward the first electrode in the activated state;
and

a bias voltage source coupled to the switchable capacitor and configured to generate the voltage difference between the first
and second electrodes to electrostatically drive the switch between the activated state and the de-activated state,

wherein in the activated state, the microwave energy on the input portion is coupled to the output portion through the switchable
capacitor, and

wherein in the de-activated state, the microwave energy on the input portion is de-coupled from the output portion by the
switchable capacitor.

US Pat. No. 9,269,145

SYSTEM AND METHOD FOR AUTOMATICALLY REGISTERING AN IMAGE TO A THREE-DIMENSIONAL POINT SET

Raytheon Company, Waltha...

1. A system for producing a synthetic image from three-dimensional data set that includes a plurality of three-dimensional
data points, the system comprising processing circuitry arranged to:
assign to each three-dimensional data point an intensity that is proportional to a dot product of a sun vector angle and a
surface local unit normal vector at the three-dimensional data point;

cast shadows and modify the assigned intensity values via an atmospheric scattering model;
perform a correlation process at a grid of points between projected surface shaded relief and electro-optical images to generate
a grid of correlated point locations;

compare correlation quality metrics for each correlated point location in the grid to specified thresholds; and
retain the correlated point locations in the grid that exceed the specified thresholds.

US Pat. No. 9,140,605

CONFIGURABLE COMBINATION SPECTROMETER AND IMAGER

RAYTHEON COMPANY, Waltha...

1. A multimode imaging transform spectrometer having a spectral collection mode and a camera mode and comprising:
a beamsplitter configured to split incident electromagnetic radiation from a scene into a first optical path and a second
optical path;

at least one focal plane array sensor configured to receive electromagnetic radiation from the first and second optical paths;
a first mirror positioned in the first optical path and configured to reflect electromagnetic radiation in the first optical
path toward the at least one focal plane array sensor;

a movable second mirror positioned in the second optical path and configured to reflect electromagnetic radiation in the second
optical path toward the at least one focal plane array sensor, the second mirror being movable over a scan range to provide
an optical path length difference between the first optical path and the second optical path and produce an interferogram
at the least one focal plane array sensor when the imaging transform spectrometer is in the spectral collection mode;

a random amplitude driver coupled to the controller and to one of the first mirror and the second mirror; and
a controller configured to selectively interrupt and halt scanning movement of the second mirror over the scan range to configure
the imaging transform spectrometer into the camera mode, the controller being further configured to control the random amplitude
driver to impart a vibration to the one of the first mirror and the second mirror while the scanning movement of the second
mirror over the scan range is halted to substantially prevent formation of the interferogram at the at least one focal plane
array sensor;

wherein, in the camera mode, the at least one focal plane array sensor is configured to produce broadband spatial images of
the scene from the electromagnetic radiation from the first and second optical paths.

US Pat. No. 9,504,157

HYBRID CIRCUIT ASSEMBLY

RAYTHEON COMPANY, Waltha...

1. A hybrid circuit assembly, comprising:
an integrated metal substrate (IMS) having high-voltage, high-power components mounted thereon, the IMS including a metal
base plate, an insulating adhesive on the metal base plate, and one or more wiring layers on the insulating adhesive, the
metal base plate including a recess formed in an upper surface thereof; and

a multi-layer printed wiring board (PWB) having low-voltage, low-power components mounted thereon, the multi-layer PWB connected
to the IMS and having an upper surface that is co-planar with an upper surface of the IMS, the PWB mounted on the metal base
plate and within the recess via the insulating adhesive.

US Pat. No. 9,251,191

SYSTEM AND METHOD FOR INDEXING OF GEOSPATIAL DATA USING THREE-DIMENSIONAL CARTESIAN SPACE

Raytheon Company, Waltha...

1. An apparatus for geospatial indexing, comprising:
an endpoint calculating module configured to calculate endpoints of a segment, wherein the endpoints are specified in Cartesian
coordinates and are located on a substantially spherical surface;

a boundary defining module configured to define a boundary of a polygon according to the segment;
a normal computing module configured to compute one or more normals corresponding to one or more planes, wherein each of the
one or more planes contain a test point and a boundary point associated with the boundary;

a sine obtaining module configured to obtain a boundary sine value of an angle defined by an arc subtended by the endpoints;
a summing module configured to sum each of a group of angle values derived from the boundary sine value to obtain an angle
sum, wherein the group contains the boundary sine value;

a location determining module configured to determine whether the test point is inside the polygon based on the angle sum;
an algorithm modifying module configured to modify a geohash algorithm to produce at least one long integer value associated
with one or more points located on the surface; and

an indexing module configured to index the one or more points in an index using the at least one long integer value.

US Pat. No. 9,218,728

METHODS AND APPARATUS FOR ACOUSTIC EVENT DETECTION

Raytheon Company, Waltha...

14. A system to identify a type of acoustic event, comprising:
a memory and a processor configured to:
generate Mel Frequency Cepstral Coefficients (MFCCs) from received sound;
locate a peak in the received sound using the MFCCs;
compare the peak to a stored event to determine if the peak corresponds to the acoustic event; and
generate an indication that the acoustic event has been detected.

US Pat. No. 9,294,755

CORRECTING FRAME-TO-FRAME IMAGE CHANGES DUE TO MOTION FOR THREE DIMENSIONAL (3-D) PERSISTENT OBSERVATIONS

RAYTHEON COMPANY, Waltha...

1. A system configured to capture images, comprising:
an airborne or space-based movable imaging platform having a single sensor that is configured to capture images of a scene,
each image comprising a plurality of pixels; and

an image processor configured to:
calculate one or more transformations based on a deterministic path determined from information received regarding movement
of the imaging platform, viewing geometry of the single sensor, or both;

digitally transform captured images with respect to a common field of view (FOV), the one or more transformations compensating
for the relative motion between the scene and the imaging platform such that the transformed images appear to be taken by
a non-moving imaging platform, in which the pixel size and orientation of pixels are the same, and any motion remaining being
residual motion; and

from the residual motion, identify and track apparent motion of one or more features of a stationary target in the scene,
each of which moves, apparently, along a calculated deterministic path as a function of the imaging platform's motion and
location of the stationary target with respect to center of the field of view of the imaging platform.

US Pat. No. 9,287,237

HERMETICALLY SEALED WAFER PACKAGES

RAYTHEON COMPANY, Waltha...

12. A method of bonding together two semiconductor wafers, the method comprising:
forming a first bond ring on a surface of a first wafer;
forming a second bond ring on a surface of a second wafer, wherein a surface of the second bond ring faces a complementary
surface of the first bond ring;

forming first and second standoffs of a same first material, each having a same first thickness, on the first bond ring surface;
forming a layer of a second material, having a second thickness, between the first and second standoffs on the surface of
the first bond ring or the surface of the second bond ring;

heating the first and second wafers to a temperature above a reflow temperature of the second material, causing the second
material to reflow, and forming a eutectic alloy comprising the first and second materials and creating a hermetic seal between
the first and second bond rings; and

annealing the first and second materials, causing the first material to diffuse into the second material,
wherein the first and second standoffs maintain a pre-specified distance between the first and second bond rings.

US Pat. No. 9,276,315

MEMORY BASED ELECTRONICALLY SCANNED ARRAY ANTENNA CONTROL

RAYTHEON COMPANY, Waltha...

1. A system for controlling an active electronically scanned array (AESA) antenna comprising:
a plurality of radiators;
a first plurality of digitally controlled radio frequency (RF) signal transmission blocks;
a second plurality of digitally controlled RF signal transmission blocks; and
a plurality of combiners,
each radiator of the plurality of radiators being connected, through a combiner:
to a digitally controlled RF signal transmission block of the first plurality of digitally controlled RF signal transmission
blocks, and

to a digitally controlled RF signal transmission block of the second plurality of digitally controlled RF signal transmission
blocks,

the system comprising:
at least one memory with address lines configured to input the address of a digital control word and data lines configured
to output the digital control word to a digitally controlled RF signal transmission block of the first plurality of digitally
controlled RF signal transmission blocks; and

the at least one memory programmed with a set of digital control words comprising at least one digital control word for substantially
every antenna state in a complete set of antenna states,

each RF transmission block of the first plurality of digitally controlled RF signal transmission blocks, and each RE transmission
block of the second plurality of digitally controlled RF signal transmission blocks comprising:

a signal direction switch;
a gain and phase control block; and
a load switch.

US Pat. No. 9,293,379

SEMICONDUCTOR STRUCTURE WITH LAYERS HAVING DIFFERENT HYDROGEN CONTENTS

Raytheon Company, Waltha...

1. A structure comprising:
a semiconductor;
a capacitor disposed on one surface portion of the semiconductor;
a transistor device disposed on a second surface portion of the semiconductor;
wherein the capacitor comprising:
a capacitor dielectric, and
a pair of capacitor electrodes separated by the capacitor dielectric;
wherein the transistor device has three electrodes;
wherein a first one of the transistor device electrodes is separated from a second one of the transistor device electrodes
by a first portion of a device dielectric and the second one of the transistor device electrodes is separated from a third
one of the transistor device electrodes by a second portion of the device dielectric;

wherein the first portion of the device dielectric and the second portion of the device dielectric are in direct contact with
the semiconductor;

wherein the capacitor dielectric and the device dielectric are the same material and have different thicknesses; and
wherein the capacitor dielectric and the device dielectric have different hydrogen contents; and
wherein an etch rate of the capacitor dielectric is at least fourteen to one greater than an etch rate of the device dielectric
to the same etchant.

US Pat. No. 9,241,008

SYSTEM, METHOD, AND SOFTWARE FOR CYBER THREAT ANALYSIS

Raytheon Company, Waltha...

1. A system comprising:
a first memory unit and a second memory unit;
one or more processing units operable to:
generate a network model of a network infrastructure that is used by an organization, wherein the network infrastructure includes
a plurality of segments including a first segment and a second segment, the first segment including first network elements
with a first level of security and the second segment including second network elements with a second level of security different
from the first level of security;

determine a vulnerability of a first network element of the first network elements of the network infrastructure;
simulate, using the network model, an attack vector on the determined vulnerability of the first network element of the network
infrastructure to determine a resulting ramification on a second network element of the second network elements due to the
attack vector; and

determine, using the resulting ramification, a criticality level of the attack vector associated with the second network element;
displaying the criticality level of the attack vector on a user interface of the system in order to alert a user as to the
effect of the determined vulnerability; and

wherein the first memory unit is configured as a first federated memory with the first segment of the network infrastructure
stored thereon, the second memory unit is configured as second federated memory with the second segment of the network infrastructure
stored thereon, and the simulation is configured to simulate a cascading effect of the attack vector on the second network
element due to the attack vector attacking the vulnerability of the first network element using the first and second federated
memories which are autonomous memories independently managed by respective administrators of the first and second segments
to independently control sensitive information generated and gathered throughout collection, storage, and analysis of vulnerabilities
on the network model.

US Pat. No. 9,287,615

MULTI-MODE SIGNAL SOURCE

RAYTHEON COMPANY, Waltha...

1. A multimode radiation source, comprising:
a waveguide radiator having a first feed port for receiving a first signal having a first wavelength in a radio frequency
(RF) band and for providing the first signal to the waveguide radiator so that the waveguide radiator radiates the first signal
at a first location as a first spherical wave with a first phase center;

waveguide feed network configured to be coupled to an RF source and that is coupled to the first feed port of the waveguide
radiator, the waveguide feed network configured to receive the first signal from the RF source and to provide the first signal
to the first feed port of the waveguide radiator;

a hollow optical pipe having a distal end that is disposed substantially at the first location such that an emitting facet
of the hollow optical pipe is substantially coincident with the first phase center, the hollow optical pipe configured to
be coupled to a first optical source and configured to receive a second signal having a second wavelength in an optical band
from the first optical source and to provide the second signal to the waveguide radiator so that the waveguide radiator radiates
the second signal from substantially the first location as a second spherical wave with substantially the first phase center;
and

the hollow optical pipe further configured to be coupled to a second optical source that is configured to provide a third
signal having a third wavelength in the optical band, and to provide the third signal to the waveguide radiator so that the
waveguide radiator radiates the third signal from substantially the first location as a third spherical wave with substantially
the first phase center.

US Pat. No. 9,270,002

DIFFERENTIAL-TO-SINGLE-ENDED TRANSMISSION LINE INTERFACE

Raytheon Company, Waltha...

1. An interface for connecting a differential signal circuit having a differential signal output and a reference potential
terminal to an input of a single ended signal circuit, such single ended circuit having predetermined input impedance, and
a reference potential terminal, comprising:
a differential transmission line comprising a pair of electromagnetically coupled microwave transmission lines having first
ends connected to the differential signal output and second ends, a first one of the second ends being connected to the single
ended circuit input;

wherein the predetermined input impedance of the single ended circuit is matched to a predetermined odd mode impedance of
the differential transmission line; and

wherein a second one of the second ends is coupled to the reference potential through an impedance matched to the predetermined
odd mode impedance of the differential transmission line.

US Pat. No. 9,227,839

WAFER LEVEL PACKAGED INFRARED (IR) FOCAL PLANE ARRAY (FPA) WITH EVANESCENT WAVE COUPLING

RAYTHEON COMPANY, Waltha...

1. A structure for detecting electromagnetic radiation having a predetermined wavelength, comprising: a device wafer having
a sensing element disposed on a predetermined region of a surface of the device wafer responsive to the electromagnetic radiation;
a cover wafer having a region thereof transparent to the electromagnetic radiation for passing the electromagnetic radiation
through the transparent region onto a r:mrfoce of the sensing element; a bond gap spacer structure for supporting the surface
of the sensing element from an opposing surface of the transparent region of the cover wafer a predetermined distance less
than a fraction of the predetermined wavelength when the cover wafer is bonded to the device wafer, wherein the bond gap spacer
forms a gap between the surface of the sensing element and the opposing surface of the transparent region of the cover wafer
to enable evanescent wave coupling across the gap.

US Pat. No. 9,491,854

MULTI-LAYER MICROWAVE CORRUGATED PRINTED CIRCUIT BOARD AND METHOD

RAYTHEON COMPANY, Waltha...

1. An interconnect assembly for a corrugated printed circuit board comprising:
a first flat flexible layer having a top surface and a bottom surface and having a signal conductor and a ground conductor
forming a first microstripline or microstrip transmission line;

a second folded flexible layer comprising flutes and having a top surface and a bottom surface and having a signal conductor
and a ground conductor forming a second microstripline or microstrip transmission line, the bottom surface of the second folded
flexible layer having contact portions;

a non-conductive adhesive layer disposed between the top surface of the first flat flexible layer and the contact portions
of the second folded flexible layer;

a signal through-hole extending through the non-conductive adhesive layer and the first flat flexible layer, and connecting
the signal conductor of the first flat flexible layer to the signal conductor of the second folded flexible layer; and

two ground through-holes extending through the non-conductive adhesive layer and the second folded flexible layer, and connecting
the ground conductor of the first flat flexible layer to the ground conductor of the second folded flexible layer, wherein
the two ground through-holes are disposed on opposite sides of the signal through-hole;

a third flat flexible layer coupled between the second folded flexible layer; and
a fourth folded flexible layer, the fourth folded flexible layer comprising flutes, and
wherein the flutes of the second folded flexible layer have a size that is different from a size of the flutes of the fourth
folded flexible layer.

US Pat. No. 9,140,283

ADHESIVELY-BONDED STRUCTURAL COMPOSITE JOINT UTILIZING SHOULDER-CENTERED SLEEVES

Raytheon Company, Waltha...

1. A composite joint comprising:
a first member comprising a metal material and having an aperture with a groove therein;
a cylindrical second member extending through the aperture of the first member, the second member comprising a fiber reinforced
composite material; and

a single-piece annular connector member, comprising a metal material, disposed between the second member and the first member,
wherein the annular connector member comprises an annular body portion and a radially outwardly extending raised portion integral
with and centered on the annular body portion, the radially extending raised portion projecting from a first surface of the
annular body portion, wherein the annular connector member is adhesively bonded to the second member at a second surface of
the annular body portion opposite the first surface, the annular body portion of the annular connector member having at least
one beveled peripheral edge, and the radially extending raised portion is received in the groove so as to bias a load path
between the first member and the second member from a peripheral portion to a central portion of the annular connector member,

wherein the first member comprises clamping members that are attached to each other and clamped to the raised portion.

US Pat. No. 9,526,192

COLD CHASSIS FOR ELECTRONIC MODULES AND METHOD OF MAKING SAME

Raytheon Company, Waltha...

1. A cold chassis comprising:
a frame member including multiple patterned adjacent recesses, each recess having a substantially planar portion;
multiple cooling ribs secured to the frame member, each cooling rib including a peripheral flange and a substantially planar
surface, the peripheral flange extending around a circumference of the cooling rib, a surface of the peripheral flange forming
part of the substantially planar surface, each cooling rib at least partially disposed in an associated one of the recesses
such that the substantially planar surface of the cooling rib contacts the substantially planar portion of the associated
recess along at least a majority of a length of the cooling rib; and

a seal securing the peripheral flange of each cooling rib in the associated recess;
wherein each recess also has first and second ends opposite each other, each end comprising a peripheral ledge; and
wherein a first portion of the peripheral flange of each cooling rib is configured to sit on the peripheral ledge of the first
end of the associated recess and a second portion of the peripheral flange of each cooling rib is configured to sit on the
peripheral ledge of the second end of the associated recess.

US Pat. No. 9,750,160

MULTI-LEVEL OSCILLATING HEAT PIPE IMPLEMENTATION IN AN ELECTRONIC CIRCUIT CARD MODULE

Raytheon Company, Waltha...

1. A multi-level cooling structure, comprising:
a body;
sidewalls extending from edges of the body, wherein the sidewalls, together with the body, partially enclose a volume;
flanges projecting from ends of the sidewalls opposite the body, wherein the flanges project away from the volume; and
an oscillating heat pipe within the body, the sidewalls, and the flanges;
wherein a fluid path for the oscillating heat pipe repeatedly traverses the body, a length of each of the sidewalls, and a
portion of each of the flanges; and

wherein the oscillating heat pipe is configured to provide cooling through both phase change of fluid slugs and vapor bubbles
within the oscillating heat pipe and movement of the fluid slugs and the vapor bubbles along the fluid path between an evaporator
adjacent a first of the flanges and a condenser adjacent a second of the flanges.

US Pat. No. 9,603,283

ELECTRONIC MODULE WITH FREE-FORMED SELF-SUPPORTED VERTICAL INTERCONNECTS

Raytheon Company, Waltha...

1. A method for assembling an electronic module comprising the steps:
mounting a base electronic component on a base substrate;
mounting a cover electronic component on a cover substrate;
depositing an electrically conductive filament directly on the base electronic component or directly on the cover electronic
component;

free-forming a self-supported interconnect pillar with the deposited electrically conductive filament, the free-formed, self-supported
interconnect pillar extending upright from the base electronic component or the cover electronic component;

arranging the cover substrate over the opposing base substrate and aligning the base electronic component with the cover electronic
component; and

electrically connecting the base electronic component to the cover electronic component with the free-formed, self-supported
interconnect pillar.

US Pat. No. 9,293,888

METHOD AND APPARATUS FOR HIGH-POWER RAMAN BEAM-COMBINING IN A MULTIMODE OPTICAL FIBER

Raytheon Company, Waltha...

1. A system comprising:
an optical fiber having a length, the optical fiber configured to receive inputs from multiple pump lasers operating at a
first wavelength and an input from a seed laser source operating at a second wavelength, wherein:

the optical fiber has a core that is multimode and doped to enhance Raman gain and to serve as a fiber Raman medium;
the core has a center and a fiber axis at the center parallel to the length of the optical fiber;
the core has a higher concentration of doping at a location near the fiber axis than at a location further from the fiber
axis;

the core is surrounded by a pump cladding;
the pump cladding is surrounded by an outer cladding;
the outer cladding is surrounded by an acrylate coating;
the first wavelength and the second wavelength differ by an amount corresponding to a Stokes Raman shift of the fiber Raman
medium;

the optical fiber is configured to convert pump power to Stokes-shifted seed power along the length of the optical fiber through
a Stimulated Raman Scattering (SRS) process; and

a ratio of an area of the core to an area of the pump cladding in a plane of cross-section perpendicular to the fiber axis
equals or exceeds 0.30.

US Pat. No. 9,277,142

INFRARED THERMAL IMAGING SYSTEM AND METHOD

RAYTHEON COMPANY, Waltha...

1. An infrared thermal imaging system comprising:
a focal plane array (FPA) of infrared detectors, the FPA being configured to generate an output signal in response to infrared
radiation impinging thereupon, the output signal including an analog signal;

read out integrated circuitry (ROIC) operatively coupled to the FPA and including an analog-to-digital converter configured
to convert the analog signal into a digital video signal; and

a microcontroller having at least one bidirectional video display interface operatively coupled to the ROIC, the microcontroller
being configured to receive the digital video signal from the ROIC via the at least one bidirectional video display interface
and to send data to the ROIC via the at least one bidirectional video display interface, the data including non-uniformity
correction terms for correcting non-uniformities of the FPA.

US Pat. No. 9,585,255

COMPONENT SUPPORT FOR DENSE CIRCUIT BOARD

RAYTHEON COMPANY, Waltha...

1. A support apparatus for a component, the support apparatus comprising:
a periphery entirely disposable within a footprint of the component on a surface of a substrate;
a first portion having a first surface adhesively connectable to the component;
a second portion having a second surface disposable to contact the surface of the substrate in discrete sectors and defining:
an aperture through which leads are extendable from the component and through the substrate, and
vents extending between the discrete sectors from the aperture to the periphery; and
bosses disposed to protrude from the second surface and into through-holes defined in the substrate.

US Pat. No. 9,554,488

METHOD TO ALIGN SURFACE MOUNT PACKAGES FOR THERMAL ENHANCEMENT

Raytheon Company, Waltha...

1. A surface mount device, comprising:
an electronic component operable in an electronic circuit;
a heat transfer component thermally coupled to the electronic component and having a heat transfer surface configured to interface
with a heat sink; and

a resiliently flexible lead operable to electrically couple the electronic component to a circuit board,
wherein the resiliently flexible lead is configured to resiliently deflect to facilitate a variable distance of the heat transfer
surface from the circuit board.

US Pat. No. 9,291,501

HIGH EFFICIENCY MULTI-CHANNEL SPECTROMETER

RAYTHEON COMPANY, Waltha...

1. A multi-channel imaging spectrometer comprising:
a double pass reflective triplet optical subsystem configured to receive and collimate incident electromagnetic radiation
and to provide a collimated output beam;

a single entrance slit configured to direct the incident electromagnetic radiation to the reflective triplet;
a first beamsplitter configured to receive the collimated output beam from the reflective triplet and to separate the collimated
output beam into a first spectral channel and a remaining wavelength range;

a second beamsplitter optically coupled to the first beamsplitter and configured to receive the remaining wavelength range
from the first beamsplitter and to separate the remaining wavelength range into a second spectral channel and a third spectral
channel; and

at least three dispersive elements, each configured to receive and spectrally disperse a respective one of the first, second,
and third spectral channels to provide corresponding first, second, and third dispersive outputs, wherein the first and second
beamsplitters are configured to recombine the first, second, and third dispersed outputs into a combined dispersed output,
and the reflective triplet is further configured to focus the combined dispersed output onto a focal plane co-located with
entrance slit; and

a first image sensor positioned at the focal plane and configured to produce an image from the combined dispersed output.

US Pat. No. 9,730,366

ELECTROMAGNETIC INTERFERENCE SUPPRESSING SHIELD

Raytheon Company, Waltha...

1. An electromagnetic interference (EMI) suppressing shield, comprising:
a plurality of shield portions dispose at least partially about a shielded component the plurality of shield portions being
electrically coupled to a positive electric potential polarity or a negative electric potential polarity, wherein at least
some of the plurality of shield portions are electrically isolated from one another, and

wherein at least one of the plurality of shield portions is electrically coupled to the positive electric potential and at
least one of the plurality of shield portions is electrically coupled to the negative electric potential.

US Pat. No. 9,299,010

DATA FUSION ANALYSIS FOR MARITIME AUTOMATIC TARGET RECOGNITION

RAYTHEON COMPANY, Waltha...

1. A method for automatic target recognition of a target, the method comprising:
receiving a sequence of imaging radar images of the target from an imaging radar system;
forming a feature vector comprising measured characteristics of the target;
performing a first target recognition attempt, the performing of the first target recognition attempt comprising:
using a Gaussian mixture model neural network classifier to generate a first plurality of probability likelihoods, each of
the first plurality of probability likelihoods corresponding to one of a plurality of candidate target types; and

using a first set of class designation rules to produce a first class designation, the first class designation corresponding
to one of the plurality of candidate target types;

performing a second target recognition attempt, the performing of the second target recognition attempt comprising:
using a radial basis function neural network classifier to generate a second plurality of probability likelihoods, each of
the second plurality of probability likelihoods corresponding to one of a plurality of candidate target types; and

using a second set of class designation rules to produce a second class designation, the second class designation corresponding
to one of the plurality of candidate target types;

performing a third target recognition attempt, the performing of the third target recognition attempt comprising:
using a vector quantization classifier to generate a third plurality of probability likelihoods, each of the third plurality
of probability likelihoods corresponding to one of a plurality of candidate target types; and

using a third set of class designation rules to produce a third class designation, the third class designation corresponding
to one of the plurality of candidate target types; and

combining the first class designation, the second class designation and the third class designation to generate an overall
class designation.

US Pat. No. 9,743,465

MICROWAVE MODULE LID

Raytheon Company, Waltha...

1. A microwave module lid, comprising:
an inner side operable to define, at least in part, a cavity configured to have a radio frequency (RF) emitting component
disposed therein;

at least two dielectric layers differing in at least one property proximate one another, each layer having a thickness, a
dielectric constant, and a dielectric loss characteristic; and

a metal backing layer proximate one of the dielectric layers to contain RF energy within the microwave module lid,
wherein the thicknesses, the dielectric constants, the dielectric loss characteristics, or combinations thereof of the at
least two dielectric layers are configured to minimize RF resonance in the cavity.

US Pat. No. 9,281,128

SWITCHABLE CAPACITOR

Raytheon Company, Waltha...

1. A switchable capacitor, comprising: a solid dielectric; a pair of electrodes, a first one of the electrodes having the
solid dielectric thereon and a second, flexible one of the electrodes being suspended over the solid dielectric when the switchable
capacitor is in a de-activated state; a top plate disposed between the solid dielectric and the second, flexible electrode
and connected to a reference potential; the top plate having a plurality of apertures therein, and wherein when the switchable
capacitor is electrostatically driven to an activated state, the second, flexible one of the electrodes contacts the top plate,
and when the switchable capacitor is returned to the de-activated state, charge on the top plate is discharged to the reference
potential.

US Pat. No. 9,261,587

METHODS AND APPARATUS FOR HIGHLY RELIABLE SIGNAL DISTRIBUTION

RAYTHEON COMPANY, Waltha...

10. A radar system, comprising:
a receiver to receive a first signal and generate a first output signal and a second output signal having a number of pulses
per second;

a modulator to combine the receiver first and second output signals and generate a modulator output signal;
a directional coupler to provide a sample of the modulator output signal to a threshold detector;
a passive combiner to receive the modulator output signal and generate a combiner output signal; and
a passive first splitter to receive the combiner output signal and generate a number of reference signals for signal sinks
for providing a passive non-redundant reference signal distribution system.

US Pat. No. 9,285,653

VARIABLE APERTURE MECHANISM FOR CREATING DIFFERENT APERTURE SIZES IN CAMERAS AND OTHER IMAGING DEVICES

Raytheon Company, Waltha...

1. An apparatus comprising:
a first blade configured to be coupled to a first magnet and a second blade configured to be coupled to a second magnet, at
least one of the blades having at least one cutout; and

electromagnetic motors configured to generate different electromagnetic fields to (i) cause the magnets to move the blades
into a first configuration and (ii) cause the magnets to move the blades into a second configuration;

wherein the blades are configured to be separated to form a larger aperture in the first configuration;
wherein the at least one cutout in the at least one of the blades forms a smaller aperture in the second configuration; and
wherein each electromagnetic motor comprises a curved core, a first portion of each core configured to be located proximate
to the first magnet, a second portion of each core configured to be located proximate to the second magnet.

US Pat. No. 9,274,542

CREATION OF RADIO WAVEFORMS ACCORDING TO A PROBABILITY DISTRIBUTION USING WEIGHTED PARAMETERS

Raytheon Company, Waltha...

1. A radio waveform generation device, comprising:
a memory;
a probability distribution module, coupled to the memory, configured to apply a first predetermined probability distribution
function to a first plurality of predetermined parameter values to create a first plurality of parameter values of at least
one first parameter and configured to randomly assign each value of the first plurality of values to a respective location
in the memory; and

a signal generation circuit, coupled to the memory, configured to receive the first plurality of values from the memory and
configured to generate a first plurality of signals,

each one of the signals characterized by the at least one first parameter, and each one of the signals generated using a respective
one of the received first plurality of values.

US Pat. No. 9,200,966

DUAL FIELD OF VIEW TELESCOPE

RAYTHEON COMPANY, Waltha...

1. An optical sensor system comprising:
a telescope configured to receive and focus electromagnetic radiation onto an image plane along a primary optical axis;
a primary imaging detector disposed on the image plane and having a first field of view;
a fold mirror positioned on the image plane and fixedly tilted with respect to the primary optical axis, the fold mirror being
configured to reflect a portion of the electromagnetic radiation off the primary optical axis along a secondary optical path
non-parallel to the primary optical axis;

a secondary detector having a second field of view different from the first field of view and disposed along the secondary
optical path; and

relay optics positioned in the secondary optical path between the fold mirror and the secondary detector and configured to
direct and focus the portion of the electromagnetic radiation reflected from the fold mirror along the secondary optical path
onto the secondary detector.

US Pat. No. 9,385,655

REGENERATIVE FREQUENCY MULTIPLIER

Raytheon Company, Waltha...

1. A method for generating an output frequency, the method comprising:
receiving an input signal with a defined frequency;
splitting the input signal so that a first signal with the defined frequency of the input signal is received at a frequency
multiplier and a second signal with the defined frequency of the input signal is received at a frequency mixer;

multiplying the first signal by N to produce a multiplied signal, wherein N is a predefined integer;
limiting the multiplied signal to a predetermined frequency and passing the multiplied signal with the predetermined frequency
to the frequency mixer;

mixing the multiplied signal with the predetermined frequency and the second signal at the frequency mixer to produce at least
two mixed signals via a plus-minus function; and

generating a first output signal and a second output signal based on the at least two mixed signals.

US Pat. No. 9,263,791

SCANNED ANTENNA HAVING SMALL VOLUME AND HIGH GAIN

Raytheon Company, Waltha...

1. A radio frequency (RF) antenna comprising:
a single element radiator having first and second opposing surfaces said single element radiator responsive to RF signals
having a frequency of interest;

a frequency selective surface (FSS) disposed over the first surface of said single element radiator;
a Fresnel surface disposed over the second surface of said single element radiator; and
wherein the Fresnel surface further comprises a ground plane disposed either as part of the Fresnel surface or below the second
surface of said single element radiator and wherein a scan angle of the antenna is controlled by the FSS, a Fresnel pattern
of conductors in the Fresnel surface and a Fresnel pattern in the ground plane; and the reflected waves are brought in phase
by double reflection.

US Pat. No. 9,291,809

SCANNING TELESCOPE

RAYTHEON COMPANY, Waltha...

1. A scanning telescope configured for installation in a missile and comprising:
a primary mirror configured to receive electromagnetic radiation via a system aperture located proximate a nose of the missile
and to reflect the electromagnetic radiation;

a secondary mirror optically coupled to the primary mirror and configured to receive and further reflect the electromagnetic
radiation reflected from the primary mirror;

a tertiary mirror optically coupled to the secondary mirror and configured to receive and further reflect the electromagnetic
radiation reflected from the secondary mirror, the tertiary mirror further configured to be movable over a range of angular
tilt relative to an optical axis of the scanning telescope to scan a field of view of the scanning telescope over a scan range;
and

a quaternary mirror optically coupled to the tertiary mirror and configured to receive the electromagnetic radiation reflected
from the tertiary mirror and to reflect and focus the electromagnetic radiation onto a focal plane of the scanning telescope;

wherein the primary, secondary, tertiary, and quaternary mirrors are axisymmetric about the optical axis, a size and shape
of the primary, secondary, tertiary, and quaternary mirrors being selected to configure the scanning telescope for installation
in the missile; and

wherein the primary, secondary, tertiary, and quaternary mirrors are fabricated from a same material, the material being selected
from a group consisting of single crystal silicon, silicon carbide, aluminum, and Beryllium.

US Pat. No. 9,074,295

METHODS OF ETCHING CARBON NANOTUBE SHEET MATERIAL FOR ELECTRICAL CIRCUIT AND THIN FILM THERMAL STRUCTURE APPLICATIONS

RAYTHEON COMPANY, Waltha...

1. A method for etching Carbon Nanotube (CNT) sheet material for electrical circuit and thin film thermal structures, comprising:
forming a mask on a sheet of electrically conductive CNT material; and
electrochemically removing unmasked portions of the CNT material; and
wherein the mask is electrically conductive and wherein the mask is removed electrochemically.

US Pat. No. 9,291,429

MULTIMODE SHARED APERTURE SEEKER

RAYTHEON COMPANY, Waltha...

1. A non-gimbaled multimode seeker comprising:
an imaging infrared (IIR) seeker including a focal plane array detector and an optical system configured to receive infrared
radiation via a system optical aperture and focus the infrared radiation onto the focal plane array detector;

a semi-active laser (SAL) seeker including a SAL detector positioned in an optical path between the system optical aperture
and the focal plane array detector and configured to detect laser radiation received via the system optical aperture, the
SAL detector being substantially transparent to the infrared radiation; and

a dual-mode diffuser positioned in the optical path between the system optical aperture and the optical system, and configured
to spread the laser radiation to broaden a linear field of view of the SAL seeker, the diffuser further configured to transmit
the infrared radiation substantially undiffracted to the optical system.

US Pat. No. 9,291,708

MULTIPLE HYPOTHESIS TRACKING USING MAXIMUM WEIGHT INDEPENDENT SET

RAYTHEON COMPANY, Waltha...

1. A multiple hypothesis tracking apparatus for identifying accurate track hypotheses for one or more moving target objects
from tracking data acquired by a radar, sonar or optical sensor, the apparatus comprising:
a receiver configured to receive tracking data associated with one or more target object families from one or more radar,
sonar or optical sensors;

an array generation processor configured to generate a matrix array using the tracking data, wherein each cell in the matrix
array is associated with a subject target object family of the one or more target object families identified in the tracking
data;

a global hypothesis score processor configured to generate a global hypothesis score using the matrix array, the global hypothesis
score providing an indication of the tracking accuracy of the one or more target object families by the apparatus;

a local search move processor configured to perform one or more local search moves on one or more cells in the matrix array
to increase the global hypothesis score for the tracking data, wherein the one or more local search moves includes at least
one of: exchanging cells, removing a subject cell, adding at least one cell in the matrix array; and

a track identification processor configured to identify a track for a target object based on the matrix array.

US Pat. No. 9,291,438

CATAMARAN SURFACE VESSEL WITH REMOVABLE MISSION-SPECIFIC PAYLOAD MODULE

Raytheon Company, Waltha...

1. A system comprising:
a catamaran configured for use in a body of water and having twin hulls, the catamaran comprising a vertically-oriented opening
between the twin hulls;

a payload module removably coupled to the catamaran in the opening between the twin hulls, the opening having a size and shape
substantially the same as the payload module; and

a common interface removably coupled to the payload module and the catamaran, the common interface configured to exchange
utilities between the payload module and the catamaran,

wherein the opening (i) allows the payload module to be vertically lowered from a position above the catamaran into the opening
and (ii) allows at least one of the payload module or a payload in the payload module to be lowered into the water after the
payload module is coupled to the catamaran in the opening.

US Pat. No. 9,218,486

SYSTEM AND METHOD FOR OPERATING POINT AND BOX ENUMERATION FOR INTERVAL BAYESIAN DETECTION

Raytheon Company, Waltha...

1. A processor-implemented method for selecting an operating point of an intrusion detection system in a computer, the method
comprising:
determining a true positive rate for the intrusion detection system at each of a plurality of possible vectors of sensor output
values;

determining a false positive rate for the intrusion detection system at each of a plurality of possible vectors of sensor
output values;

calculating a ratio of the true positive rate to the false positive rate of the intrusion detection system at each possible
vector of sensor output values;

sorting by the ratio of the true positive rate to the false positive rate;
placing sorted sensor combinations in an output set, wherein the output set represents a convex hull set of non-dominated
operating points of the intrusion detection system;

selecting a first operating point from the output set for operating the intrusion detection system;
selecting a second operating point from the output set;
operating the intrusion detection system at the first operating point for a first predetermined amount of time; and
operating the intrusion detection system at the second operating point for a second predetermined amount of time.

US Pat. No. 9,184,018

COMPACT MAGNET DESIGN FOR HIGH-POWER MAGNETRONS

Raytheon Company, Waltha...

1. A compact magnetic field generator for generating a magnetic field within a magnetron, the compact magnetic field generator
comprising:
a plurality of permanent magnets including:
a cathode magnet having a longitudinal axis of symmetry and configured to be annularly surrounded by a cathode of the magnetron;
and

an anode magnet configured to annularly surround an outer perimeter of an anode of the magnetron, and
wherein an arrangement of the plurality of permanent magnets concentrically about the longitudinal axis of symmetry forms
a specified magnetic field within an interaction region that bounds electrons emitted within the interaction region.

US Pat. No. 9,974,159

EGGCRATE RADIO FREQUENCY INTERPOSER

Raytheon Company, Waltha...

1. A radio frequency (RF) interposer comprising:a carrier structure having a first planar surface and a second planar surface opposite the first planar surface;
a plurality of RF ports supported by the carrier structure, each of the RF ports comprising a coaxial transmission line structure having a center conductor extending from carrier structure first planar surface to the carrier structure second planar surface and an outer conductor electrically separated from the center conductor by a dielectric insulator;
a first conductive shim having a plurality of spring fingers; and
a second conductive shim having a plurality of spring fingers,
wherein, when the first conductive shim is disposed over the carrier structure first planar surface and the second conductive shim is disposed over the carrier structure second planar surface, an electrical pathway is established between the first shim, outer conductors of ones of the plurality of RF ports, and the second shim;
wherein the spring fingers of said first conductive shim and the spring fingers of said second conductive shim project toward the surface of said carrier structure.

US Pat. No. 9,440,717

HULL ROBOT

Raytheon Company, Waltha...

1. A hull cleaning robot comprising:
a body;
at least one cleaning apparatus for cleaning the hull of a vessel;
at least one drive track holding the robot on the hull as the robot maneuvers about the hull; and
at least one turbine driven by water flowing into the body of the robot as generated by the vessel being in motion and underway,
the turbine being oriented substantially parallel to the hull, and in a direction of the water flow within the body, the turbine
operating the at least one cleaning apparatus and the at least one drive track,

wherein the robot is adapted to operate underwater and within the water flow to maneuver about and clean the hull of the vessel.

US Pat. No. 9,293,248

METHODS AND APPARATUS FOR EMI FILTER HAVING SWITCHED CAPACITANCE BASED ON LOADING

RAYTHEON COMPANY, Waltha...

1. An electromagnetic interference (EMI) filter system, comprising:
a first terminal to receive a first phase signal of a three-phase signal;
a second terminal to receive a second phase signal of the three-phase signal;
a third terminal to receive a third phase signal of the three-phase signal;
a first filter inductor to filter the first phase signal;
a second filter inductor to filter the second phase signal;
a third filter inductor to filter the third phase signal; and
a switch control module, comprising:
a signal detection module coupled to the filtered first phase signal;
a processor module coupled to the signal detection module to determine if the filtered first phase signal exceeds a first
threshold;

a driver circuit coupled to the processor module;
a first switch coupled to a first filter capacitor bank and to the driver circuit, each capacitor of the first filter capacitor
bank coupled to the filtered first phase signal;

a second switch coupled to a second filter capacitor bank and to the driver circuit, each capacitor of the second filter capacitor
bank coupled to the filtered second phase signal; and

a third switch coupled to a third filter capacitor bank and to the driver circuit, each capacitor of the third filter capacitor
bank coupled to the filtered third phase signal,

wherein the processor module activates the driver circuit to generate a lagging power factor of the three-phase signal by
actuating at least one of the first, second, and third switches when the first threshold is exceeded for coupling at least
one capacitor from each of the first, second, and third filter capacitor banks into the EMI filter.

US Pat. No. 9,472,697

PHOTODETECTOR WITH SURFACE PLASMON RESONANCE

RAYTHEON COMPANY, Waltha...

1. A radiation detector comprising:
a semiconductor absorber layer having a first electrical conductivity type and an energy bandgap responsive to radiation in
a first spectral region, the first electrical conductivity type being one of n-type and p-type, the semiconductor absorber
layer having a thickness approximately equal to a depletion width of the radiation detector;

a semiconductor collector layer having the first electrical conductivity type;
a plasmonic resonator abutting a top surface of the semiconductor collector layer and having a grating structure including
a plurality of ridges arranged in a regularly repeating pattern, the plasmonic resonator being configured to focus the radiation
in the first spectral region into the semiconductor absorber layer; and

a barrier positioned between the semiconductor absorber layer and the semiconductor collector layer and physically separating
the semiconductor absorber layer from the semiconductor collector layer.

US Pat. No. 9,269,162

RAPID ANOMALY DETECTION (RAND)

Raytheon Company, Waltha...

1. A method for detecting an anomaly in a scene pixel of a hyperspectral scene, the anomaly being a spectrum different than
spectra common to a plurality of scene pixels of the hyperspectral scene, the method comprising:
in an anomaly detector provided with hyperspectral imaging data for a plurality of scene pixels of a hyperspectral scene and
provided with an anomaly equation for detecting an anomaly in a scene pixel without using an a priori spectral reference,
and the anomaly equation including a set of terms sorted by descending importance:

for each scene pixel in the plurality of scene pixels, computing an intermediate anomaly score based on a portion of the set
of terms, the remaining terms of the set are not used to compute the intermediate anomaly score and are of less importance
than the terms included in the portion;

comparing the intermediate anomaly scores to a threshold;
identifying scene pixels having intermediate anomaly scores less than the threshold as empty scene pixels that do not include
anomalies;

eliminating the empty scene pixels from the plurality of scene pixels;
updating the anomaly equation to include one or more of the unused terms to form an updated anomaly equation if the number
of eliminated scene pixels is less than a specified fraction of a total number of scene pixels and a number of computed intermediate
anomaly scores is less than a counter;

for each scene pixel remaining in the plurality of scene pixels, computing an updated intermediate anomaly score using the
updated anomaly equation;

comparing the updated intermediate anomaly scores to an updated threshold, the updated threshold being greater in value than
the threshold;

identifying scene pixels having updated intermediate anomaly scores less than the updated threshold as empty scene pixels
that do not include anomalies;

eliminating empty scene pixels from the remaining scene pixels;
for each scene pixel remaining in the plurality of scene pixels, computing a full dimension anomaly score based on the set
of terms of the anomaly equation if the number of eliminated scene pixels is greater than or equal to the specified fraction
of the total number of scene pixels or the number of intermediate anomaly scores computed is greater than or equal to the
counter; and

declaring which scene pixels include anomalies based on comparisons of the computed full dimension anomaly scores to a full
dimension anomaly score threshold, the full dimension anomaly score threshold being greater in value than the threshold and
the updated threshold.

US Pat. No. 9,263,792

DIRECTIVE, INSTANTANEOUS WIDE BANDWIDTH ANTENNA

Raytheon Company, Waltha...

1. A directive, instantaneous wide bandwidth antenna, comprising:
a ground plane having a recess with a tapered region accessible by an electromagnetic field via a radiating aperture at a
forward end of the recess;

an elongate dielectric feed disposed in the recess, the dielectric feed having a tapered portion proximate the tapered region
to guide the electromagnetic field into the recess through the radiating aperture and influence pattern directivity; and

a conductive plating disposed at least partially about the dielectric feed in a wedge configuration to influence pattern beam
width, and having a taper to facilitate propagation of the electromagnetic field over a range of frequencies, wherein the
conductive plating is disposed toward a rearward end of the recess relative to the radiating aperture.

US Pat. No. 9,232,119

INTEGRATING IMAGE FRAMES

Raytheon Company, Waltha...

1. A method for integrating image frames, the method comprising:
receiving for each pixel in at least one image frame in a plurality of image frames a value representative of a sensor measurement;
calculating an average difference of the value representative of the sensor measurement over a subset of the plurality of
image frames;

detecting motion in at least one pixel of the at least one image frame in the plurality of-image frames based on the calculated
average difference of the value representative of the sensor measurement over the subset of the plurality of image frames,
where the detected motion is of an object captured in the plurality of image frames; and

generating an integrated image frame wherein each pixel having detected motion is integrated by an amount of frame integration
less than that of those pixels for which motion is not detected, wherein the amount of frame integration is based on contrast
levels, expected rates of motion, and noise characteristics of sensor input image data.

US Pat. No. 9,092,697

IMAGE RECOGNITION SYSTEM AND METHOD FOR IDENTIFYING SIMILARITIES IN DIFFERENT IMAGES

Raytheon Company, Waltha...

1. A method for identifying similarities in different images, the method comprising using one or more processors configured
to:
converting image features of the different images to clusters, wherein one of the different images is a source image and other
image is a manipulation of the source image;

sorting the clusters based on one or more attributes of the clusters;
generating, for each of the different images, a plurality of three-point sets from a selected portion of the sorted clusters,
each three-point set defining a triangle; and

identifying matching triangles from the different images, wherein corresponding clusters of the matching triangles establish
whether there are similarities between the different images, and wherein the other image that is a manipulation of the source
image was subject to any combination of the following manipulations: rescaling, warping, distortion, skewing, cropping, rotation,
mirroring, recoloring, addition of text or watermark, noise addition, a format change, steganography, and metadata changes.

US Pat. No. 9,193,620

FUSED SILICA BODY WITH VITREOUS SILICA INNER LAYER, AND METHOD FOR MAKING SAME

RAYTHEON COMPANY, Waltha...

1. A silica body configured for use as a randome and comprising a vitrified portion and an unvitrified remainder of the body,
the vitrified portion formed by autogenically vitrifying an inner surface of the silica body to form a layer of vitreous silica
on the unvitrified remainder of the body, wherein the vitrified portion and the unvitrified remainder of the body have a density
gradient therebetween, wherein the unvitrified remainder of the body has a density of about 90% of a maximum silica density
and the layer of vitreous silica has a density that is substantially equal to the maximum silica density, wherein the thickness
of the silica body is approximately a quarter of an inch and the thickness of the layer of vitreous silica is between approximately
five thousandths of an inch and approximately twenty thousandths of an inch, and wherein the density gradient has a thickness
greater than the thickness of the vitreous layer.

US Pat. No. 9,068,886

METHOD AND SYSTEM FOR VICARIOUS SPATIAL CHARACTERIZATION OF A REMOTE IMAGE SENSOR

Raytheon Company, Waltha...

1. A system for vicarious spatial characterization of a remote sensing sensor, comprising:
a processor configured to analyze a plurality of distinct spot images by fitting the images to obtain a point spread function
of a remote sensing sensor;

the processor further configured to execute an algorithm for fitting the images, wherein the algorithm includes:
fitting each of the plurality of spot images using a fitting function,
determining a root mean square error of the fitting function for each of the plurality of images to obtain a plurality of
root mean square errors,

calculating a sum of all the root mean square errors, and
minimizing the sum of all the root mean square errors to obtain a point spread function of the remote sensing sensor; and
wherein the processor is further configured to execute a first loop to fit each of the plurality of spot images without varying
a full width at half maximum parameter of the fitting function, and execute a second loop to minimize the sum of all the root
mean square errors.

US Pat. No. 9,453,903

SATELLITE ORBITAL DETERMINATION (OD) USING DOPPLER AND KEPLER ORBITAL ELEMENTS

Raytheon Company, Waltha...

1. An orbital determination (OD) device for a satellite operable to determine a satellite's orbit, the OD device having computer
circuitry configured to:
receive a single global positioning system-generated (GPS-generated) signal from a GPS satellite;
decode an ephemeris of the GPS satellite from the GPS-generated signal;
determine a Doppler shift and a trend of Doppler shift of the GPS-generated signal; and
generate a Doppler-GPS OD using the ephemeris of the GPS satellite and the Doppler shift and the trend of Doppler shift of
the GPS-generated signal fit to Kepler orbital elements of an orbit model.

US Pat. No. 9,222,956

HIGH BANDWIDTH LINEAR FLEXURE BEARING

Raytheon Company, Waltha...

1. A high performance motion sensing system comprising:
a stage configured to have a sensor mounted thereon, the stage configured to move in a direction of sensing;
a body that is fixed and configured to serve as a reference base for the sensor;
multiple spring flexures that connect the stage to the body, each spring flexure having a U or V shape with a center portion;
and

one or more flex couplers that each connects the center portions of a pair of the spring flexures to restrain off-axis movements
of the stage while providing for a linear motion along the direction of sensing.

US Pat. No. 9,191,587

METHOD AND APPARATUS FOR IMAGE STACKING

RAYTHEON COMPANY, Waltha...

1. An imaging system comprising:
a primary imaging sensor configured to detect electromagnetic radiation in a first spectral band and to produce first image
data comprising a plurality of image frames captured over a period of time;

a primary telescope optically coupled to the primary imaging sensor and configured to direct the electromagnetic radiation
in the first spectral band to the primary imaging sensor;

a secondary imaging sensor configured to detect electromagnetic radiation in a second spectral band, different from the first
spectral band, and to produce second image data time-synchronized with the first image data;

a secondary telescope optically coupled to the secondary imaging sensor and configured to direct the electromagnetic radiation
in the second spectral band to the secondary imaging sensor, an optical axis of the secondary telescope being offset with
respect to an optical axis of the primary telescope;

a computation module coupled to the secondary imaging sensor and configured to analyze the second image data, produce alignment
data, correct the alignment data to compensate for the offset, and provide corrected alignment data; and

an alignment module coupled to the primary imaging sensor and to the computation module, and configured to receive the corrected
alignment data from the computation module and the first image data from the primary imaging sensor, to align the plurality
of image frames based on the corrected alignment data to produce an aligned plurality of image frames, and sum the aligned
plurality of image frames to produce an aligned image stack.

US Pat. No. 9,115,964

INTEGRAL INJECTION THRUST VECTOR CONTROL WITH BOOSTER ATTITUDE CONTROL SYSTEM

Raytheon Company, Waltha...

1. A projectile comprising:
a propulsion booster for producing pressurized gases;
a central longitudinal axis that extends through the projectile;
a nozzle for expelling the pressurized gases produced by the booster, the nozzle having a nozzle wall defining a thrust passage
for directing a thrust plume of the pressurized gases expelled by the booster, wherein the nozzle wall has an interior surface
that faces radially inward towards the axis, wherein the projectile has an exterior surface disposed substantially opposite
the interior surface of the nozzle, and wherein the exterior surface faces radially outward away from the axis; and

a supplementary integrated actuation system for storing and directing propellant, wherein the integrated actuation system
selectively directs the propellant from a storage reservoir of the integrated actuation system to an interior outlet generally
disposed near the interior surface, thus changing a direction of the thrust plume, and wherein the integrated actuation system
selectively directs the propellant from the storage reservoir to a an exterior outlet generally disposed near the exterior
surface, to produce thrust at an external periphery of the projectile, thus diverting the projectile.

US Pat. No. 9,386,220

ELECTRO-OPTICAL (EO)/INFRARED (IR) STARING FOCAL PLANES WITH HIGH RATE REGION OF INTEREST PROCESSING AND EVENT DRIVEN FORENSIC LOOK-BACK CAPABILITY

Raytheon Company, Waltha...

1. A system, comprising:
a plurality of detectors;
a plurality of unit cell sections, each one of the storage cell sections being fed by charge produced by a corresponding one
of the detectors for producing a sequence of frames; and

a plurality of sets of storage sections, each one of the sets of storage sections being coupled to a corresponding one of
the unit cell sections, each one of the sets of storage sections including:

a plurality of storage units for sequentially storing the frames;
a region of interest selector section for examining the frames of the plurality of unit cell sections to detect at least one
of the frames having a predetermined characteristic and for identifying a sub-set of the plurality of unit cell sections proximate
the detected unit cells having the predetermined characteristic to establish a region of interest; and

a processor sequentially reading the plurality of storage units in the sets of storage sections coupled to the sub-set of
unit cell sections in the established region of interest.

US Pat. No. 9,354,052

SHARED-APERTURE ELECTRO-OPTIC IMAGING AND RANGING SENSOR

Raytheon Company, Waltha...

1. A shared-aperture electro-optic (EO) imaging and ranging sensor, comprising:
a shared-aperture including an objective optical system that receives a wavefront of optical radiation emanating from one
or more objects in a scene within a field of view (FOV) and converts the wavefront into a first optical image;

an optical imaging channel comprising a first detector configured to convert the optical radiation of the first optical image
into a first electrical signal;

an optical ranging channel comprising an adaptive optical modulator configured to optically modulate the amplitude or phase
of the wavefront with a spatial pattern and a second detector configured to convert the optical radiation of a second optical
image of the modulated wavefront into a second electrical signal, wherein objects in the scene within a certain range window
associated with that spatial pattern produce image components in the second optical image, said image components having a
distinct spatial structure sensitive to the range to the one or more objects within the range window;

an optical switch configured to alternately direct the optical radiation to the optical imaging channel and to the optical
ranging channel to time multiplex the FOV in a sequence of frames; and

one or more controllers configured to
control the optical switch to direct the optical radiation to the optical imaging channel for a portion of each frame, said
portion corresponding to an integration period for the optical imaging channel;

process the first electrical signal during the remaining portion of each frame to provide an electronic representation of
the first optical image;

control the optical switch to direct the optical radiation to the optical ranging channel during the remaining portion of
each frame; and

process the second electrical signal associated with each said spatial pattern during the integration period of the next frame
to determine the spatial structure of the image components in the second optical image to provide a range estimate to the
one or more objects; and

wherein said one or more controllers are configured to control the adaptive optical modulator to modulate the wavefront with
at least two different spatial patterns associated with two different range windows during the remaining portion of a frame
or in successive frames.

US Pat. No. 9,330,882

PARTICLE BEAM DETECTOR

Raytheon Company, Waltha...

1. A particle beam detector, comprising:
a particle beam receiving portion configured to convert particle beam energy to heat; and
a plurality of temperature measuring devices disposed about the particle beam receiving portion,
wherein a location of a particle beam on the particle beam receiving portion is determined by a temperature difference between
at least two of the plurality of temperature measuring devices.

US Pat. No. 9,323,034

EYEPIECE FOR VARIABLE LATERAL MAGNIFICATION IMAGING SYSTEM

RAYTHEON COMPANY, Waltha...

1. An optical imaging system having variable lateral zoom comprising:
primary optics configured to receive and direct incident electromagnetic radiation along an optical path from a viewed scene
onto a focal plane to form a substantially planar intermediate image at the focal plane, the intermediate image having substantially
uniform lateral magnification;

an eyepiece optically coupled to the primary optics and configured to reimage the intermediate image along the optical path
onto an image plane spaced away from the focal plane to produce an output image having variable lateral magnification, the
eyepiece including a curvature enhancer positioned proximate the focal plane and configured to curve the focal plane to form
a curved focal plane, and at least one variable focus lens configured to reimage the intermediate image formed at the curved
focal plane onto the image plane; and

a photo-sensitive detector positioned at the image plane, the eyepiece being positioned in the optical path between the primary
optics and the detector, and the at least one variable focus lens or mirror being positioned between the curvature enhancer
and the detector.

US Pat. No. 9,221,709

APPARATUS FOR PRODUCING A VITREOUS INNER LAYER ON A FUSED SILICA BODY, AND METHOD OF OPERATING SAME

RAYTHEON COMPANY, Waltha...

1. An apparatus for vitrifying at least a portion of an inner surface of a fused silica body, the apparatus comprising:
a turntable configured to rotate the fused silica body about a first longitudinal axis;
a local area heat source comprising a boom defining a second longitudinal axis and a torch head coupled to a distal end of
the boom, the local area heat source configured to apply heat to the at least a portion of the inner surface, the heat having
a temperature sufficient to vitrify the portion of the inner surface;

at least one positioning mechanism coupled to a proximal end of the boom of the local area heat source; and
a controller coupled to the at least one positioning mechanism to command movement of the at least one positioning mechanism,
wherein:

the at least one positioning mechanism is configured to translate the local area heat source in a direction parallel to the
first longitudinal axis,

the at least one positioning mechanism is configured to translate the local area heat source along a radial axis orthogonal
to the longitudinal axis to maintain a constant standoff distance between the torch head of the local area heat source and
the portion of the inner surface as the local area heat source translates in the direction parallel to the longitudinal axis,

the at least one positioning mechanism is configured to rotate the local area heat source about a tangential axis orthogonal
to both the longitudinal axis and the radial axis to maintain the local area heat source perpendicular to the portion of the
inner surface in a plane defined by the radial axis and the longitudinal axis as the local area heat source translates in
the direction parallel to the longitudinal axis, and

the at least one positioning mechanism is configured to rotate the local area heat source about the second longitudinal axis
such that the torch head of the local area heat source is canted toward an approaching portion of the inner surface and the
torch head of the local area heat source defines an obtuse angle relative to the portion of the inner surface in a plane defined
by the radial axis and the tangential axis.

US Pat. No. 9,194,947

RADAR SYSTEM USING MATCHED FILTER BANK

RAYTHEON COMPANY, Waltha...

15. A receiver of a radar system, the receiver comprising:
a bank of matched filters configured to process a radar return signal associated with a remote moving target, wherein each
matched filter in the bank of matched filters is tuned to a different Doppler frequency; and

one or more digital processors configured to:
detect pulses in output signals of the bank of matched filters; and
generate estimated parameters of the remote moving target based on output signals of the bank of matched filters resulting
from transmission of a single radar pulse, the one or more digital processors configured to determine at least an actual range
rate of the remote moving target and an actual amplitude of the received radar return signal.

US Pat. No. 9,999,155

TAILORING AIR COOLED HEAT EXCHANGER GEOMETRY TO ACHIEVE ENVIRONMENTAL PROTECTION

Raytheon Company, Waltha...

10. A method of operating an air-cooled heat exchanger, the method comprising:drawing air into a housing of the air-cooled heat exchanger at an intake for air flowing through the housing;
passing the air over surfaces of a set of segmented fins extending within the housing between the intake and at least one outlet, the segmented fins configured to direct the air flowing through the housing, each segment of the segmented fins having a length selected based on a throw distance of 15 inches;
preventing escape of the air through a plurality of access ports extending through at least one wall of the housing with access port covers configured to block each of the access ports during operation of the air-cooled heat exchanger, the access ports located to allow connection, when the access ports are unblocked, of electrical conductors used in an environmental protection coating process to both ends of each of the fin segments; and
expelling the air from the at least one outlet in the housing for the air flowing through the housing.

US Pat. No. 9,383,145

SYSTEM AND METHOD OF BOILING HEAT TRANSFER USING SELF-INDUCED COOLANT TRANSPORT AND IMPINGEMENTS

Raytheon Company, Waltha...

1. A method for cooling a heat-generating structure, the method comprising:
transferring thermal energy from the heat-generating structure to a pin fin structure disposed in a chamber, wherein pin fins
of the pin fin structure are arranged in a pattern with a first portion of the pin fins having a first shape and a second
portion of the pin fins having a second shape, the second portion of the pin fins arranged along two sides of the pattern
and in a row within the pattern;

introducing a fluid coolant into the chamber;
exposing the fluid coolant to at least a portion of the pin fin structure disposed in the chamber, thereby causing a portion
of the fluid coolant substantially in liquid form to boil and effuse vapor during a transfer of the thermal energy from the
at least the portion of the pin fin structure to the fluid coolant, the effused vapor creating a self-induced flow in the
chamber;

distributing the fluid coolant substantially in the liquid form to other portions of the pin fin structure using the self-induced
flow; and

transferring at least a portion of the thermal energy from the other portions of the pin fin structure to the distributed
fluid coolant.

US Pat. No. 9,243,876

LOW-COLLATERAL DAMAGE DIRECTED FRAGMENTATION MUNITION

Raytheon Company, Waltha...

1. A directed munition comprising:
a casing;
an explosive within the casing;
a detonator; and
fragments operatively coupled to the explosive, to be directed out of a front opening of the casing when the explosive is
detonated;

wherein the explosive includes an insensitive explosive portion containing an insensitive explosive, and an energetic explosive
portion that contains a relatively sensitive explosive that is more energetic than the insensitive explosive;

wherein the energetic explosive portion is closer to the fragments than the insensitive explosive portion; and
wherein the detonator is operatively coupled to the insensitive explosive portion, to detonate the insensitive explosive portion
as a primary explosive.

US Pat. No. 9,174,836

INTEGRATED BONDLINE SPACERS FOR WAFER LEVEL PACKAGED CIRCUIT DEVICES

RAYTHEON COMPANY, Waltha...

1. A wafer level packaged circuit device, comprising:
a device wafer bonded to a cap wafer; and
an integrated bond gap control structure (BGCS) disposed between the device wafer and the cap wafer, the integrated BGCS comprising
one or more material layers used in the formation of at least one of the cap wafer and the device wafer, and left remaining
in a region of a substrate of at least one of the cap wafer and the device wafer;

wherein at least a portion of the integrated BGCS is formed on the cap wafer, and further comprises one or more of: a vacuum
getter layer, a solder metal stack layer, and an antireflective coating layer.

US Pat. No. 9,564,266

POWER CONVERTER MAGNETICS ASSEMBLY

Raytheon Company, Waltha...

1. A power converter magnetics assembly, comprising:
an interface panel;
a magnetic component mounted to the interface panel to form a magnetics subassembly; and
a chassis coupled to the magnetics subassembly, the chassis having a cavity with an opening, wherein the magnetic component
is received within the cavity through the opening and the interface panel is disposed over the opening and secured to the
chassis to form an enclosure about the magnetic component.

US Pat. No. 9,300,028

FREQUENCY SELECTIVE LIMITER

Raytheon Company, Waltha...

1. In combination:
a ferromagnetic material; and
a slow wave structure disposed to magnetically couple a magnetic field, produced by electromagnetic energy propagating through
the slow wave structure, into the ferromagnetic material;

wherein the slow wave structure is a transmission line having a first transmission line section disposed between a pair of
second transmission line sections;

wherein the first transmission line section and the pair of second transmission lines sections comprise: the first transmission
line section having a strip conductor and a pair of ground plane conductors; and

wherein the strip conductor comprises a first strip conductor section disposed between the pair of second transmission lines
sections, and wherein the first strip conductor section is separated from a portion of the pair of ground plane conductors
disposed over and under the first strip conductor section at a first distance D1, and wherein the pair of second transmission
lines sections are separated from portions of the ground plane conductor disposed over and under the pair of second transmission
lines sections at a second distance D2, where D1 and D2 are different distances.

US Pat. No. 9,277,638

GUM ROSIN PROTECTIVE COATING AND METHODS OF USE

RAYTHEON COMPANY, Waltha...

1. A rosin composition, comprising:
a gum rosin;
an emulsifier selected from the group consisting of polyethylene glycols (PEG) in water, terpenes and phosphate-substituted
terpenes selected from the group consisting of hemiterpenes, monoterpenes, sesquiterpenes, diterpenes, sesterpenes, and triterpenes,
organic sulfate compounds in water, and combinations thereof;

a filler; and
a randomizing additive.

US Pat. No. 9,196,556

GETTER STRUCTURE AND METHOD FOR FORMING SUCH STRUCTURE

RAYTHEON COMPANY, Waltha...

1. A getter structure, comprising:
a substrate;
a plurality of nucleation sites of a seed material, the seed material being disposed on a surface of the substrate; and
a plurality of getter material members projecting outwardly from the nucleation sites, the seed material and the getter material
being different materials.

US Pat. No. 9,163,901

GUIDANCE SECTION CONNECTOR INTERFACE FOR ADVANCED ROCKET LAUNCHERS

Raytheon Company, Waltha...

1. A guidance section connector interface system operable with a rocket launcher for facilitating electrical communication
between a rocket and the rocket launcher, the guidance section connector interface system comprising:
a rocket connector in electrical communication with a guidance system of a rocket;
a connector saver coupled to the rocket connector to provide a first connection; and
a launcher connector supported about a rocket launcher, and in electrical communication with a control system, wherein the
connector saver is coupled to the launcher connector upon insertion of the rocket into the rocket launcher to provide a second
connection,

wherein the rocket connector, the connector saver and the launcher connector connect together to facilitate electrical communication
between the rocket and the rocket launcher,

wherein, upon launch of the rocket from the rocket launcher, the first connection releases, and the second connection remains
connected, causing the connector saver to remain connected to the launcher connector.

US Pat. No. 9,148,195

MODE HOPPING SPREAD SPECTRUM MODULATION

RAYTHEON COMPANY, Waltha...

1. A method for data modulation in an antenna array including a plurality of antenna elements, the method comprising:
storing input data comprising of a plurality of data bits, in a buffer;
generating a pseudo random number;
computing a transmission mode from the pseudo random number;
based on the computed transmission mode and the number of antenna elements in the antenna array, computing a particular phase
offset for each antenna element;

sequentially providing the stored input data, one bit at a time, to each antenna element; and
transmitting the input data from each antenna element according to the computed particular phase offset for said each antenna
element, wherein all of the input data bits are transmitted with the same frequency.

US Pat. No. 9,147,160

SYSTEM AND METHOD FOR ASYNCHRONOUS EXPLANATION AND PROPAGATION-BASED CONSTRAINT SOLVING

Raytheon Company, Waltha...

1. An apparatus comprising:
an asynchronous constraint satisfaction problem solving module, the asynchronous constraint satisfaction problem solving module
executable by one or more processors, the asynchronous constraint problem solving module configured to:

assign a priority level and a rank to each variable of a plurality of variables such that no two variables include both a
same priority level and a same rank;

propagate at least one constraint to the plurality of variables in a first thread by reducing a speculative propagation range
of a first variable of the plurality of variables when a first value in the speculative propagation range of the first variable
is in conflict with the constraint; and

in a second thread, (1) update an explanation for the reduction in the speculative propagation range of the first variable,
and (2) backtrack when a choice of a second value for a second variable of the plurality of variables would result in the
speculative propagation range of the first variable becoming the empty set, wherein backtracking includes taking back a choice
associated with a variable with a lowest priority level and if two choices are associated with respective variables assigned
the same priority level then backtracking includes taking back the choice associated with the variable of the respective variables
assigned a lower rank.

US Pat. No. 9,135,323

SYSTEM AND METHOD FOR CLASSIFYING DATA DUMP DATA

Raytheon Company, Waltha...

8. A method of classifying data dump data, comprising:
receiving data structure information that details a programming language data structure of a primitive variable of a program
to be debugged;

creating, using a fingerprint calculator, a fingerprint as a function of the data structure information;
recording the data structure information and the fingerprint in a data structure lookup table;
embedding, using a code generator, the fingerprint in machine code of the program to create modified machine code;
executing, at an embedded instrument, the modified machine code, wherein the modified machine code includes binary data that,
when executed by the embedded instrument, makes the embedded instrument perform an operation of the program;

providing, by the embedded instrument, the data dump data, the data dump data including machine code from the embedded instrument
after running the program, the data dump data including the fingerprint embedded therein;

identifying the fingerprint in the data dump data; and
reconstructing the data structure using at least some of the data structure information and at least some of the data dump
data to determine a value of the primitive variable at a point in time corresponding a time the at least some of the data
dump data was created.

US Pat. No. 9,429,105

ROCKET VEHICLE WITH INTEGRATED ATTITUDE CONTROL AND THRUST VECTORING

Raytheon Company, Waltha...

1. A rocket vehicle comprising:
a fuselage;
a main thruster coupled to the fuselage, wherein the main thruster provides forward thrust to the rocket vehicle;
an attitude control system that includes pairs of attitude control thrusters for providing roll moments in opposite directions;
and

a controller operatively coupled to the attitude control system and the main thruster,
wherein the main thruster is a vector control thruster that allows variation in thrust direction of the main thruster; and
wherein the controller, at least when the rocket vehicle is operating in atmosphere, changes the thrust direction of the main
thruster to compensate for the lateral moment created when developing the roll moment by using only one attitude control thruster
of the one of the pairs of attitude control thrusters.

US Pat. No. 9,316,723

DIFFERENTIAL HIGH POWER AMPLIFIER FOR A LOW PROFILE, WIDE BAND TRANSMIT ARRAY

RAYTHEON COMPANY, Waltha...

1. An integrated antenna system, comprising:
an input device configured to convert a supplied unbalanced signal into a balanced differential output signal;
a high power amplifier (HPA) operably coupled to said differential output signal, said HPA configured as a Gallium Nitride
(GaN) cascode push-pull Class B amplifier having a balanced, high impedance output, wherein the HPA includes an output impedance
in a range between 100 and 200 ohms; and

an impedance-matched differentially-driven radiator (IMDDR) comprising a differential antenna element and at least one of
a differential slotline isolator and a differential slotline circulator,

wherein a differential input port of said IMDDR is operatively coupled to said balanced high impedance output of said HPA,
the differential input port of said IMDDR coupled to an input of the at least one of a differential slotline isolator and
a differential slotline circulator, and a differential output of the at least one of a differential slotline isolator and
a differential slotline circulator is radiated into free space by the differential antenna element.

US Pat. No. 9,136,572

DUAL STRIPLINE TILE CIRCULATOR UTILIZING THICK FILM POST-FIRED SUBSTRATE STACKING

Raytheon Company, Waltha...

1. A dual stacked stripline circulator comprising:
a first composite ferrite disc having an inner portion and an outer portion;
a second composite ferrite disc having an inner and an outer portion;
a third composite ferrite disc having an inner and an outer portion;
a fourth composite ferrite disc having an inner and outer portion;
a first substrate having an edge with the first composite ferrite disc disposed in the first substrate;
a second substrate having an edge with the second composite ferrite disc disposed in the second substrate;
a third substrate having an edge with the third composite ferrite disc disposed in the third substrate, the third substrate
disposed adjacent the second substrate;

a fourth, substrate having an edge with the fourth composite ferrite disc disposed in the fourth substrate;
a first pattern defining three ports of a first three-port circulator disposed between the first substrate and the second
substrate;

a second pattern defining three ports of a second three-port circulator disposed between the third substrate and the fourth
substrate; and

a metal film encircling the edge of the first, second, third and fourth substrate.

US Pat. No. 9,395,467

SOLID SOLUTION-BASED NANOCOMPOSITE OPTICAL CERAMIC MATERIALS

Raytheon Company, Waltha...

1. A solid solution-based optical material capable of transmitting light, the solid solution-based optical material comprising:
a first nano-sized phase having a refractive index of F; and
a second nano-sized phase formed from a base material having a refractive index of B, wherein B differs from F by more than
0.2;

the second nano-sized phase further including a dopant dissolved within the base material, the dopant having a refractive
index of D, the dopant having a fractional concentration between (F?0.12?B)/(D?B) and (F+0.12?B)/(D?B).

US Pat. No. 9,334,154

HERMETICALLY SEALED PACKAGE HAVING STRESS REDUCING LAYER

RAYTHEON COMPANY, Waltha...

1. A hermetically sealed package, comprising:
a substrate having a surface comprising silicon;
a device disposed on the surface of the substrate;
a metal seal ring, disposed on the surface of the substrate about the device, the metal seal ring comprising:
an oxidation blocking/bonding material adhesion layer disposed on a top surface of the metal seal ring; and
a diffusion barrier layer disposed under the oxidation blocking/bonding material adhesion layer;
a bonding material disposed on the metal seal ring;
a metal stress relief buffer layer disposed between the metal seal ring and the surface of the substrate;
wherein the bonding material has a yield strength in the same order of magnitude as the yield strength of the metal stress
relief buffer layer;

a lid structure;
wherein the bonding material and the metal seal ring, absent the metal stress relief buffer layer, cause cracking of the surface
of the substrate; and

wherein the metal stress relief buffer layer extends laterally beyond at least one of an inner and outer edge of the metal
seal ring a length sufficient to prevent cracking of the substrate in bonding the metal seal ring to the lid structure with
the bonding material to form the hermetically sealed package.

US Pat. No. 9,305,948

DYNAMIC POLARIZER HAVING MATERIAL OPERABLE TO ALTER ITS CONDUCTIVITY RESPONSIVE TO AN APPLIED STIMULUS

RAYTHEON COMPANY, Waltha...

1. An imaging system comprising:
a detector array including a plurality of pixels arranged in a two-dimensional array; and
a dynamic polarizer coupled to the detector array, the dynamic polarizer including at least one patterned layer of a material
disposed on the detector array, the material being operable to alter its conductivity responsive to an applied stimulus to
reversibly transition between a polarizing state and a non-polarizing state.

US Pat. No. 9,297,569

SYSTEM AND METHOD FOR PROVIDING EFFICIENT COOLING WITHIN A TEST ENVIRONMENT

Raytheon Company, Waltha...

1. A cooling system comprising:
an environmental test chamber having an inner cavity;
a primary refrigeration unit configured to cool the inner cavity of the environmental test chamber;
an auxiliary cooling unit configured to independently cool the inner cavity of the environmental test chamber, the auxiliary
cooling unit having a cooling capacity that is less than a cooling capacity of the primary refrigeration unit, the auxiliary
cooling unit comprising:

a housing that is external to the primary refrigeration unit;
a first closed loop configured to circulate a first refrigerant between a primary compressor, a heat exchanger, a cascade
exchanger, and the environmental test chamber; and

a second closed loop configured to circulate a second refrigerant between a secondary compressor, a condensor, the cascade
exchanger, and a sub-cooler, wherein the cascade exchanger is common to both the first closed loop and the second closed loop
and is configured to exchange heat between the first refrigerant and the second refrigerant; and

a controller comprising logic that is configured to:
determine if the auxiliary cooling unit is able to sustain a target temperature; and
in response to determining that the auxiliary cooling unit is able to sustain the target temperature, power on the auxiliary
cooling unit and time out or turn off the primary refrigeration unit.

US Pat. No. 9,297,655

ASSOCIATING SIGNAL INTELLIGENCE TO OBJECTS VIA RESIDUAL REDUCTION

Raytheon Company, Waltha...

1. A method for associating tracklets with SIGnal INTelligence (SIGINT) signals, the method comprising:
receiving, at a processing unit, the SIGINT signals and the tracklets, a tracklet for each moving object of a plurality of
objects in video data, the SIGINT signals including respective actual Time of Arrivals (ToAs) indicating a time at which the
SIGINT signal arrived at a collector of a plurality of collectors at determinable locations;

estimating, using the processing unit, a first set of times, each time of the first set of times indicating how much time
it takes for a respective SIGnal INTelligence (SIGINT) signal of SIGINT signals to travel from a point on a tracklet of the
tracklets to a respective collector of the plurality of collectors;

estimating a second set of times, times in the second set of times corresponding to times at which the video data corresponding
to respective points on the tracklet were gathered;

determining a residual error associated with each tracklet by comparing the actual ToAs to a third set of times determined
by adding the first set of times to the second of times; and

associating the SIGINT signals with a respective tracklet of the tracklets associated with the smallest residual error.

US Pat. No. 9,291,500

CONFIGURABLE COMBINATION SPECTROMETER AND POLARIZER

RAYTHEON COMPANY, Waltha...

1. A multimode configurable imaging spectropolarimeter comprising:
a first beamsplitter configured to split incident electromagnetic radiation from a scene into a first optical path and a second
optical path and to direct reflected electromagnetic radiation from the first and second optical paths along a combined optical
path toward a focal plane;

a movable first mirror positioned in the first optical path and configured to reflect electromagnetic radiation in the first
optical path back toward the first beamsplitter, the first mirror being movable over a first scan range to provide a first
optical path length difference between the first optical path and the second optical path;

a polarizing beamsplitter positioned in the second optical path and configured to split electromagnetic radiation in the second
optical path into a first polarization and a second polarization, the first and second polarizations being orthogonal to one
another;

a movable second mirror positioned in the second optical path and configured to reflect the first polarization toward the
first beamsplitter, the second mirror being selectively movable over a second scan range to provide a second optical path
length difference between the first and second polarizations;

a fixed third mirror positioned in the second optical path and configured to reflect the second polarization toward the first
beamsplitter; and

at least one imaging sensor positioned at the focal plane and configured to receive the reflected electromagnetic radiation
from the first and second optical paths and to produce a first interferogram from interference between the first polarization
and the reflected electromagnetic radiation from the first optical path and a second interferogram from interference between
the second polarization and the reflected electromagnetic radiation from the first optical path, the second interferogram
being superimposed on the first interferogram and offset in frequency relative to the first interferogram.

US Pat. No. 9,438,798

SYSTEMS AND METHODS FOR COMBINED STARING AND SCANNING FOCAL PLANE ARRAYS

RAYTHEON COMPANY, Waltha...

1. A combined scanning and staring (SCARING) focal plane array (FPA) imaging system having a plurality of modes of operation,
the SCARING FPA system comprising:
a photodetector array comprising a plurality of photodetectors arranged in a plurality of photodetector rows, the photodetector
array including a first photodetector sub-array and a second photodetector sub-array;

a readout integrated circuit (ROIC) coupled to the photodetector array; and
a processor coupled to the ROIC and configured to:
dynamically configure the SCARING FPA between a scanning mode of operation and a staring mode of operation;
capture a first image by analyzing light incident on the first photodetector sub-array responsive to the SCARING FPA operating
in the scanning mode of operation; and

capture a second image by analyzing light incident on the second photodetector sub-array responsive to the SCARING FPA operating
in the staring mode of operation.

US Pat. No. 9,437,921

OPTICALLY RECONFIGURABLE RF FABRIC

RAYTHEON COMPANY, Waltha...

1. A system to configure a planar microwave circuit, comprising:
a ground plane;
a substrate disposed on the ground plane;
a photosensitive layer disposed on the substrate; and
a light source configured to controllably illuminate a selected portion of the photosensitive layer according to a pattern
to controllably configure a transmission line only in the selected portion of the photosensitive layer corresponding with
the pattern.

US Pat. No. 9,257,224

SHIELD FOR TOROIDAL CORE ELECTROMAGNETIC DEVICE, AND TOROIDAL CORE ELECTROMAGNETIC DEVICES UTILIZING SUCH SHIELDS

Raytheon Company, Waltha...

1. A toroidal transformer comprising:
a toroidal assembly having an outer dimension, an inner dimension, and two sides, the toroidal assembly comprising:
a toroidal magnetic core, and
a first winding wrapped around a portion of the toroidal magnetic core; and
a first shield wrapped over at least a portion of the first winding, the first shield comprising a flexible non-magnetic conductive
sheet including:

a trunk portion extending along the outer dimension of the toroidal assembly, and
a plurality of fingers including a first set of multiple fingers and a second set of multiple fingers, the first set of multiple
fingers extending from the trunk portion along portions of a first side of the two sides of the toroidal assembly in a direction
towards the center of the toroidal magnetic core and folding into the inner dimension of the toroidal assembly, and the second
set of multiple fingers extending from the trunk portion along portions of a second side of the two sides of the toroidal
assembly in the direction towards the center of the toroidal magnetic core and folding into the inner dimension of the toroidal
assembly,

wherein at least some of the plurality of fingers of the first shield have a tapered portion adjacent the trunk portion and
a non-tapered portion distal the trunk portion, and the tapered portion has a first dimension substantially equal to the circumference
of the outer dimension of the toroidal assembly divided by half the number of fingers in the plurality of fingers, and a second
dimension substantially equal to the circumference of the inner dimension (?Ă—inner dimension) of the toroidal assembly divided
by half the number of fingers in the plurality of fingers.

US Pat. No. 9,197,283

RECONFIGURABLE WIDEBAND CHANNELIZED RECEIVER

RAYTHEON COMPANY, Waltha...

1. A method for sampling a wideband analog signal, the method comprising:
receiving the wideband analog signal;
splitting the received wideband analog signal into N parallel channels, where N is an integer;
randomly demodulating each of the signals in N parallel channels with non-identical pseudo-random binary spreading codes to
uniquely demodulate each of the signals in each N parallel channels;

sampling each randomly demodulated signal using a sub-Nyquist sampling rate;
combining each sampled signal into a sub-Nyquist digitized random demodulated signal;
compressive sensing the combined sub-Nyquist digitized random demodulated signal to estimate missing samples of a full Nyquist
rate uniform sample set X(n);

convolving the uniform sample set X(n) with N analysis filters, each analysis filter having a different coefficient, to break
the X(n) signal into N sub-bands channels;

decimating output of each analysis filter using decimation ratios of M:1 to generate a sub-banded signal set Yi (n), i=1, . . . , N, where M is an integer less than or equal to N;

processing the sub-banded signal set;
up-sampling each processed sub-band signal by M;
convolving each up-sampled sub-band signal with a corresponding synthesis filter; and
combining two or more of the convolved signals to generate a non-uniform spectral partitioning of the wideband analog signal.

US Pat. No. 9,130,252

SYMMETRIC BALUNS AND ISOLATION TECHNIQUES

Raytheon Company, Waltha...

1. A balun comprises:
first and second substrates, each of the first and second substrates having a first surface having a ground plane disposed
thereon and having a plurality of conductive transmission lines disposed on a second surface thereof; and

a center dielectric layer having a conductor provided along a center thereof so as to form a double offset stripline with
at least some of the plurality of conductive transmission lines disposed on the second surface of the first and second substrates,
said center dielectric layer disposed between the second surfaces of said first and second substrates such that said center
dielectric layer dielectrically spaces the plurality of conductive transmission lines disposed on the respective second surfaces
of said first and second substrates by an amount which is substantially symmetric about the conductor provided in said center
dielectric layer and wherein, when disposed proximate each other, the plurality of conductive transmission lines disposed
on the respective second surfaces of said first and second substrates substrate conductors form a symmetric, stripline Marchand
balun.

US Pat. No. 9,438,006

COMPACT RAMAN GENERATORS

Raytheon Company, Waltha...

1. A Raman generator comprising:
a Raman medium configured to receive a pump pulse at a first wavelength and shift at least a portion of the pump pulse energy
or power into a Stokes-shifted pulse at a second wavelength, the Raman medium having a longitudinal central axis; and

one or more optical elements configured to pass the pump pulse and the Stokes-shifted pulse multiple times through the Raman
medium;

wherein each pass of the pulses through the Raman medium follows a path;
wherein each path is parallel or anti-parallel to the other paths; and
wherein the paths of three or more consecutive passes of the pulses through the Raman medium alternate between opposite sides
of the longitudinal central axis of the Raman medium.

US Pat. No. 9,360,265

MECHANISM FOR DEFEATING ARMOR USING BALLISTIC WEAPONS

Raytheon Company, Waltha...

1. A method comprising:
receiving, at a firing system, a firing command to fire a ballistic weapon that comprises a barrel; and
in response to the firing command, when the firing system is operating in a first mode of operation, triggering repeated firing
of the ballistic weapon at a specified timing by triggering firing of a first round, waiting for the barrel of the ballistic
weapon to reseat after firing, and triggering firing of a second round after the barrel has reseated.

US Pat. No. 9,219,309

GEODESIC LENS ANTENNA WITH AZIMUTH AND ELEVATION BEAMFORMING

RAYTHEON COMPANY, Waltha...

1. An antenna array, comprising:
a nested plurality of coaxial geodesic lenses, each said geodesic lens having a radial feed element array disposed at equal
intervals around a proximate end of each said geodesic lens, the radial feed element array comprising a plurality of feed
elements disposed in a feeding ring coaxial to the nested plurality of coaxial geodesic lenses; and

a feed network operably connected to each said feed element array, said feed network comprising a plurality of adjustable
phase shifters and gain elements providing separate gain and phase control to each respective geodesic lens in the nested
plurality of lenses, such that each geodesic lens forms, for the antenna array, an elevation element having separate gain
and phase control;

wherein said adjustable phase shifters and gain elements are independently and simultaneously controlled to independently
form and steer, in both azimuth and elevation at the same time, at least one beam radiated from the distal end of said nested
plurality of coaxial geodesic lenses.

US Pat. No. 9,169,955

HELICAL SPLINE LOCK

Raytheon Company, Waltha...

1. A helical spline lock system for securing an inlet duct to a portion of a combustor body, the helical spline lock comprising:
a helical spline key having a helical shape defined at least in part by a shape of a combustor body;
a first lug disposed about the combustor body and having a first channel for at least partially receiving and interfacing
with the helical spline key; and

a second lug disposed about an inlet duct and having a second channel for at least partially receiving and interfacing with
the helical spline key,

wherein the first and second channels have a helical shape, and
wherein the first lug and the second lug are configured to mate with one another to form a helical keyway from the first and
second channels, and wherein the helical spline key is insertable into the keyway to secure the inlet duct to the combustor
body.

US Pat. No. 9,166,611

EFFICIENT HIGH SPEED ADC INTERFACE DESIGN

Raytheon Company, Waltha...

1. A system comprising:
a first section comprising:
a digital sampler configured to output samples at a first rate on a plurality of output lines; and
a set of parallel scramblers connected to the plurality of output lines of the digital sampler, each scrambler having a serial
data output; and

a second section comprising:
a set of serial data inputs;
a set of serial-to-parallel converter circuits connected to the serial data inputs and configured to output data at a second
rate on a plurality of reduced-speed output lines;

at least one descrambler having inputs connected to the reduced-speed output lines; and
a set of parallel outputs configured to output sample data,
wherein the serial data outputs of the plurality of scramblers are configured to be connected to the set of serial data inputs
in the second section by a set of communication pathways clocked at a speed substantially equal to the first rate.

US Pat. No. 9,467,569

METHODS AND APPARATUS FOR REDUCING AUDIO CONFERENCE NOISE USING VOICE QUALITY MEASURES

RAYTHEON COMPANY, Waltha...

1. A method of reducing noise in a multi-channel audio conference, the method comprising for each channel in the multi-channel
audio conference:
receiving an audio signal;
analyzing the audio signal using a voice activity detection process to determine whether the audio signal corresponds to voice
or noise, the analyzing including calculating an energy of a packet of the audio signal, calculating a zero crossing rate
(ZCR) of the packet, and comparing the energy of the packet against an energy threshold;

determining that the audio signal is in an active state responsive to the energy of the packet exceeding the energy threshold,
or that the audio signal is in an inactive state responsive to the energy of the packet not exceeding the energy threshold;

recording an activity timer value equal to an amount of time elapsed until a change between the active state and the inactive
state of the audio signal;

calculating a voice quality index (VQI); and
producing an indication that the audio signal contains voice based on a combination of the voice activity detection process,
the activity timer value, and the VQI.

US Pat. No. 9,430,872

PERFORMANCE PREDICTION FOR GENERATION OF POINT CLOUDS FROM PASSIVE IMAGERY

Raytheon Company, Waltha...

1. A method of generating point clouds from passive images, comprising:
receiving, by at least one processor, a first plurality of passive images, each of the passive images from the first plurality
of passive images corresponding to a geographic location;

selecting, by the at least one processor, a reference image from the first plurality of passive images;
chipping, by the at least one processor, the first plurality of passive images using the reference image to obtain a second
plurality of passive images, the second plurality of passive images being a subset of the first plurality of passive images;

forming, by the at least one processor, a first plurality of image clusters, wherein each image cluster includes two or more
passive images selected from the second plurality of passive images;

performing, by the at least one processor, a metadata-based performance prediction on each image cluster of the first plurality
of image clusters to obtain a corresponding metadata-based performance quality score for each image cluster, the metadata-based
performance quality score indicating the predicted quality of a point cloud generated from the corresponding image cluster;

selecting, by the at least one processor, a second plurality of image clusters from the first plurality of image clusters
based on the metadata-based performance quality score;

performing, by the at least one processor, a correlator-based performance prediction on each image cluster of the second plurality
of image clusters to obtain a corresponding correlator-based performance quality score for each image cluster of the second
plurality of image clusters, the correlator-based performance quality score indicating the predicted quality of a point cloud
generated from the corresponding image cluster;

selecting, by the at least one processor, a third plurality of image clusters from the second plurality of image clusters
based on the correlator-based performance quality score;

generating, by the at least one processor, a point cloud for each of the image clusters of the third plurality of image clusters
to obtain a plurality of point clouds, each point cloud comprising a plurality of points, each point being defined by at least
three coordinates of a three-dimensional coordinate system;

selecting, by the at least one processor, one or more point clouds from the plurality of point clouds based on at least one
quantitative quality metric; and

outputting, by the at least one processor, the selected one or more point clouds to a designated location in a selected electronic
format.

US Pat. No. 9,367,035

DIGITAL INFRARED HOLOGRAMS

RAYTHEON COMPANY, Waltha...

1. A method comprising:
receiving an input specification of a scene;
selecting a position for a plurality of micro-mirrors based on the input specification to generate a plurality of different
holograms, each micro-mirror including a lip proximate to an apex of the micro-mirror,

wherein the micro-mirrors are configured to rotate about a base between an off position and at least two on positions to generate
at least one optical path difference (OPD), the at least two on positions including a first on position that aligns the lip
with a light source to refract light impinging the lip, and a second on position that aligns the base with the light source
to reflect light impinging the base,

wherein the OPD defines an interference pattern so as to create a plurality of constantly changing holograms that are used
to create a dynamic scene adhering to the input selection.

US Pat. No. 9,354,489

ROBUST AUTOFOCUS ALGORITHM FOR MULTI-SPECTRAL IMAGING SYSTEMS

Raytheon Company, Waltha...

1. A method for focusing video images, automatically, based on images taken during a focus sweep in which a focus cell is
repositioned for each of the images, the method comprising:
in an autofocus engine, given an edge detected image from a focus sweep and an associated position of a focus cell in the
focus sweep, dividing the edge detected image into sub-images;

for each sub-image, calculating a normalized edge detection strength of a subject sub-image, wherein calculating the normalized
edge detection strength comprises

selecting a maximum pixel value found in the subject sub-image and a minimum pixel value found in the subject sub-image,
forming a ratio of a difference of the maximum pixel value and minimum pixel value to a sum of the maximum pixel value and
minimum pixel value, the ratio being a contrast measure, and

multiplying the contrast measure with a mean of the pixel values in the sub-image resulting in a normalized and weighted edge
detection strength of the subject sub-image;

comparing the normalized edge detection strength of the subject sub-image to a threshold;
determining, based on the comparison, an edge is present in the subject sub-image;
calculating, based on the determinations of edges in the sub-images, an autofocus metric associated with the given position
of the focus cell; and

providing the autofocus metric together with autofocus metrics associated with other positions of the focus cell to focus
video images.

US Pat. No. 9,174,713

UNMANNED UNDERWATER VEHICLE

Raytheon Company, Waltha...

1. An unmanned underwater vehicle (UUV), comprising:
a body having an outer profile; and
a propulsion system for propelling and orienting the UUV, the propulsion system comprising:
an inlet formed in the body that facilitates fluid being drawn into the UUV from outside the body,
a duct in fluid communication with the inlet, the duct being adapted to direct the fluid along a flow path,
a pump operable with the duct to increase the velocity of the fluid, and
a nozzle in fluid communication with the duct to receive the fluid at the increased velocity, the nozzle being supported about
a side of the body, and adapted to moveably redirect fluid out of the UUV, wherein the nozzle rotates about an axis substantially
perpendicular to a longitudinal axis of the body, and

wherein the propulsion system provides multi-axis control of the UUV while remaining within the outer profile of the body.

US Pat. No. 9,166,686

MULTIPLE ACCESS POINT LASER COMMUNICATIONS TERMINAL

RAYTHEON COMPANY, Waltha...

1. A laser communications terminal comprising:
a plurality of laser channels, each including a channel transceiver configured to transmit and receive an optical signal;
an afocal telescope optically coupled to each of the channel transceivers;
a coelostat mirror pair optically coupled to the afocal telescope; and
a plurality of beam steering mirrors, at least one beam steering mirror associated with each channel of the plurality of laser
channels and configured to independently steer the corresponding optical signal within a field of view of the afocal telescope.

US Pat. No. 9,160,753

ANALOG VOICE BRIDGE

Raytheon Company, Waltha...

1. A communication system comprising:
a first codec coupled to a first terminal through a first packet network and operable to decapsulate an analog voice signal
from a first packet stream received from the first terminal, wherein the first packet stream comprises, within the same packet
stream, digitized information representing both an analog voice signal portion and a non-voice signal portion, the analog
voice signal portion comprising an analog voice signal and the non-voice signal portion comprising a data signal, the data
signal comprising non-voice data and including no analog voice signals, and wherein the first codec is configured to transmit
only the analog voice signal portion of the first packet stream to an analog voice line and is configured to prevent the data
signal from being transmitted to the analog voice line;

a second codec coupled to a second terminal through a second packet network, the second packet network being separate from
the first packet network, wherein the second codec is operably coupled to the first codec through the analog voice line and
one or more signaling lines, wherein the first packet network and the second packet network are configured in a multi-level
security (MLS) architecture, the first packet network having a security level that is different than the security level of
the second packet network, wherein the second codec is operable to encapsulate the received analog voice signal in a second
packet stream and transmit the second packet stream to the second terminal; and

wherein the analog voice line is operably coupled to the first and second codecs and the first and second packet networks
and wherein the analog voice line is constructed and arranged to carry only the analog voice signal and not the data signal,
whereby the analog voice line is operable to convey only the analog voice signal portion of the first packet stream from the
first codec to the second codec while restricting communication of the data signal in the non-voice signal portion of the
first packet stream from being transmitted using the analog voice line, wherein the analog voice line blocks communication
of the non-voice data signal of the first packet stream to the second packet network, and blocks communication of the second
packet stream with the first packet network, to ensure that the data signal from the first terminal is not transmitted to
the second terminal; and

wherein the one or more signaling lines are operable to convey control signals associated with the analog voice signal, the
signaling lines being decoupled from at least one of the first packet network and the second packet network.

US Pat. No. 9,160,289

BROADBAND POWER AMPLIFIER HAVING HIGH EFFICIENCY

RAYTHEON COMPANY, Waltha...

1. A wideband power amplifier module, comprising:
a plurality of switch mode amplifiers, each switch mode amplifier including an input to receive an input signal and an RF
output to output an RF power signal, and including at least one semiconductor switch formed from gallium nitride (GaN), and
wherein each switch mode amplifier includes a coupled resonator transformer formed as a tapered cone winding having a center-tap
terminal connected to a resonant capacitor that generates a resonant frequency output signal having a frequency ranging from
500 MHz to 6 GHz and is a Class F mode amplifier; and

a plurality of impedance amplifier modules, each impedance amplifier module having an output electrically connected to the
RF output of a respective switch mode amplifier, the impedance amplifier module configured to inject at least one impedance
control signal to each RF output.

US Pat. No. 9,145,702

FRICTION DAMPING MECHANISM FOR DAMPED BEAMS AND OTHER STRUCTURES

Raytheon Company, Waltha...

11. An apparatus comprising:
a friction damping clamp configured to be coupled to a structure that undergoes oscillatory movement, the structure comprising
a beam, at least part of the beam comprising multiple layers that define multiple slip/friction planes within the beam, the
friction damping clamp configured to at least partially wrap around the beam, the friction damping clamp comprising:

a housing having a groove; and
a roller positioned at least partially within the groove, the groove having first and second ramps;
wherein the roller is configured to cause increased compression to at least one of the layers of the beam by moving up each
ramp of the groove; and

wherein the roller is also configured to cause reduced compression to at least one of the layers of the beam by moving down
each ramp of the groove.

US Pat. No. 9,075,126

GROUND LOCATION INERTIAL NAVIGATION GEOPOSITIONING SYSTEM (GROUNDLINGS)

Raytheon Company, Waltha...

1. A ground location inertial navigation geopositioning system (GROUNDLINGS) end receiver (GER), comprising:
a GROUNDLINGS module configured to generate a GER position using a time of flight (TOP) of a downlink pseudo-random noise
(PRN) signal and a Doppler shift of at least one of the downlink PRN signal and a downlink tone signal on a common frequency
carrier, wherein the downlink PRN signal sent from a GROUNDLINGS satellite (GRS) to the GER comprises a copy of an uplink
PRN signal from a ground located transceiver (GLT) to the GRS, and the downlink tone signal is received from the GRS,

wherein the GROUNDLINGS module further comprises:
a Doppler shift module configured to measure a Doppler shift in at least one of the downlink PRN signal and the downlink tone
signal;

a range estimator configured to calculate a GLT range from the GLT to the GRS using GRS ephemeris information and a GLT location
included in the downlink PRN signal and calculate a super-range measurement from a timing of the downlink PRN signal, wherein
the super-range measurement represents a distance from the GLT to the GER via the GRS; and

a receiver location estimator configured to estimate a GER position using the ephemeris of the GRS, the GLT range, the super-range
measurement, and the measured the Doppler shift in at least one of the downlink PRN signal and the downlink tone signal.

US Pat. No. 9,505,666

METHODS TO DESENSITIZE HYDRAZINIUM NITROFORMATE (HNF)

RAYTHEON COMPANY, Waltha...

1. A composition comprising:
hydrazinium nitroformate (HNF) particles dispersed in a polymeric binder; and
a bonding agent bonded to a surface of at least a portion the HNF particles;
wherein the bonding agent is a Lewis acid, and the Lewis acid is a boron-containing polymer having the following structure:

wherein n is an integer from 1 to 20, and x and y are each independently a hydrogen, an acrylate group, an acyl halide group,
an amide group, an amine group, a carboxylate group, a carboxylate thiol group, an ester group, an ether group, a hydroxamic
acid group, a hydroxyl group, a methacrylate group, a nitrate group, a nitrile group, a phosphate group, a phosphine group,
a phosphonic acid group, a silane group, a sulfate group, a sulfide group, a sulfite group, a thiolate group, an alkane group,
an alkene group, an alkyne group, an azide group, an acetal group, an aldehyde group, a diene group, an anhydride group, a
3-membered ring group, 4-membered ring group, a 5-membered ring group, or a 6-membered ring group, or any combination thereof.

US Pat. No. 9,468,131

MONOLITHIC MULTI-MODULE ELECTRONICS CHASSIS WITH MULTI-PLANAR EMBEDDED FLUID COOLING CHANNELS

Raytheon Company, Waltha...

8. An electronics chassis configured to house and cool a plurality of heat generating electronics, the electronics chassis
comprising:
at least one cold wall having a plurality of mounting rails and a plurality of embedded cooling channels arranged in a multi-planar
arrangement, at least a portion of the embedded cooling channels embedded in one or more of the mounting rails, the embedded
cooling channels configured to carry a cooling fluid to a plurality of locations proximate to the mounting rails, the cooling
fluid configured to absorb heat transferred from a heat generating electronic source mounted to at least one of the mounting
rails,

wherein at least some of the embedded cooling channels form a multiple helix configured to carry the cooling fluid towards
and away from the heat generating electronic source repeatedly in a cyclical manner, and

wherein the at least one cold wall, the mounting rails, and the embedded cooling channels are formed integrally and without
seams using an additive manufacturing process.

US Pat. No. 9,400,414

METHODS AND APPARATUS FOR IMAGING WITHOUT RETRO-REFLECTION USING A TILTED IMAGE PLANE AND STRUCTURED RELAY OPTIC

RAYTHEON COMPANY, Waltha...

1. A non-retro-reflective imaging system comprising:
foreoptics configured to receive and focus incident electromagnetic radiation to provide a source image having an image volume;
a segmented relay optic configured to receive the source image and to reimage the source image onto a tilted image plane that
is tilted so as to be non-perpendicular with respect to an optical axis of the imaging system, the segmented relay optic further
configured to slice the image volume into a plurality of image slices and spatially position the plurality of image slices
such that a depth of focus of each image slice overlaps the tilted image plane; and

an image sensor co-aligned with the tilted image plane and configured to produce a reconstructed and substantially in-focus
image from the plurality of image slices;

wherein a tilt angle of the tilted image plane with respect to the optical axis of the imaging system exceeds an angle of
acceptance of the foreoptics, thereby preventing retro-reflection of the incident electromagnetic radiation.

US Pat. No. 9,356,045

SEMICONDUCTOR STRUCTURE HAVING COLUMN III-V ISOLATION REGIONS

RAYTHEON COMPANY, Waltha...

1. A semiconductor structure, comprising:
a substrate;
a non-column III-V doped semiconductor layer disposed over the substrate, the non-column III-V doped semiconductor layer having
a non-column III-V transistor formed therein;

a transistor comprising a column III-V material disposed above a different region of the substrate and laterally spaced from
the non-column III-V transistor;

an isolation barrier comprising a column III-V material disposed vertically through the semiconductor layer and spaced laterally
between the non-column III-V transistor and the column III-V transistor, the isolation barrier electrically isolating the
column III-V transistor from the laterally spaced non-column III-V transistor; and

a column III-V material disposed between a bottom of the transistor and the substrate; and
wherein the column III-V material disposed between the bottom of the transistor and the substrate is the same as the material
of the isolation barrier and is different from the column III-V material of the transistor.

US Pat. No. 9,154,173

LINEAR SAMPLER

RAYTHEON COMPANY, Waltha...

1. A signal sampler, comprising:
a column III-V semiconductor having formed therein a plurality of N, where N is an integer, transistor switches coupled to
a common input of the sampler fed by the signal, each one of the plurality of N switches taking samples of the signal in response
to a train of sampling signals fed to such one of the switches;

a column IV semiconductor having analog signal processing circuitry and a generator for generating a plurality of N trains
of the sampling signals, each one of the plurality of N trains of sampling signals being fed to a corresponding one of the
N samplers;

wherein each one of the N trains of sampling signals is generated with a period T and a duty cycle T/N with the sampling signals
in one of the plurality of N trains of the sampling signals being delayed with respect to the sampling signals in another
one of the plurality of N trains the sampling signals a time T/N.

US Pat. No. 9,083,351

PHASE LOCK LOOP WITH TRACKING FILTER FOR ATTENUATING SPURIOUS SIGNALS OF A SWEPT LOCAL OSCILLATOR

Raytheon Company, Waltha...

1. A high spectral purity swept local oscillator, comprising:
a swept oscillator having an output and an instantaneous frequency;
a band-pass filter having an adjustable center frequency, connected to the output of the swept oscillator;
a delay element connected to the output of the swept oscillator; and
circuitry providing a control signal to the band-pass filter, the circuitry configured to cause the center frequency of the
band-pass filter to be substantially the same as the instantaneous frequency of the swept oscillator,

the control signal being a function of the difference between:
the phase of a signal at the output of the band-pass filter; and
the phase of a signal at the output of the delay element,
wherein the circuitry comprises a loop filter, and
wherein the loop filter comprises an operational amplifier circuit configured to provide an adjustable offset.

US Pat. No. 9,070,964

METHODS AND APPARATUS FOR VOLUMETRIC COVERAGE WITH IMAGE BEAM SUPER-ELEMENTS

Raytheon Company, Waltha...

1. A method, comprising:
employing a super-element assembly for a phased array radar aperture, the super-element assembly having a first port and a
second port and a longitudinal axis, wherein the first and second ports are located at opposing ends of the super-element
assembly;

employing a first signal at the first port to generate a main beam at a first angle plus theta (+?); and
employing a second signal at the second port to generate an image beam at a second angle minus theta (??), wherein the first
and second angles are oriented with respect to a surface normal of the super-element assembly longitudinal axis.

US Pat. No. 9,457,761

ELECTRICALLY CONTROLLED VARIABLE FORCE DEPLOYMENT AIRBAG AND INFLATION

Raytheon Company, Waltha...

1. A method of deploying and inflating an airbag comprising:
providing a combustion chamber;
providing an amount of electrically operated propellant within the combustion chamber, said propellant comprising an ionic
perchlorate-based oxidizer such that the propellant has a self-sustaining threshold pressure of at least 1,000 psi at which
the propellant once ignited by an electrical input cannot be extinguished and below which the propellant can be extinguished
by interruption of the electrical input;

coupling the airbag to the combustion chamber;
igniting the electrically operated propellant in the chamber by applying the electrical input to the electrically operated
propellant; and

controlling the electrical input to the electrically operated propellant to vary a rate of combustion of the ignited electrically
operated propellant, hence varying the pressure in the chamber at levels less than the self-sustaining threshold pressure,
to control a pressure profile in the airbag and a total pressure impulse delivered to the airbag.

US Pat. No. 9,419,580

OUTPUT MATCHING NETWORK HAVING A SINGLE COMBINED SERIES AND SHUNT CAPACITOR COMPONENT

Raytheon Company, Waltha...

1. A structure, comprising:
(A) an integrated circuit chip substrate;
(B) a transistor formed in a semiconductor layer disposed in a first portion of a top surface of the substrate, the transistor
having an output for producing a microwave frequency signal, the output being coupled to a DC voltage source;

(C) a ground plane conductor disposed on a bottom surface of the substrate;
(D) a matching network coupled between the output of the transistor and a load, the matching network, comprising:
(i) an input transmission line coupled to the output of the transistor, the input transmission line comprising:
(a) an input strip conductor disposed on a second portion of the top surface of the substrate;
(b) a first portion of the ground plane conductor disposed under the input strip conductor; and
(c) a portion of the substrate disposed between the input strip conductor and the first portion of the ground plane conductor;
(ii) an output transmission line coupled to the load, the output transmission line comprising:
(a) an output strip conductor disposed on a third portion the top surface of the substrate;
(b) a second portion of the ground plane conductor disposed under the output strip conductor; and
(c) a portion of the substrate disposed between the output strip conductor and the second portion of the ground plane conductor;
(iii) a first conductive layer disposed on a third portion of the top surface of the substrate and connected to the output
strip conductor of the output transmission line;

(iv) a dielectric layer disposed on the first conductive layer;
(v) a second conductive layer disposed on the dielectric layer and connected to the input strip conductor of the input transmission
line;

(vi) wherein the first conductive layer, the dielectric layer and the second conductive layer form a first capacitor, the
first capacitor being disposed on the third portion of the top surface of the substrate;

(vii) wherein the first conductive layer, an underlying portion of the substrate, and an underlying third portion of the ground
plane conductor form a second capacitor;

(viii) wherein the second capacitor provides a shunt capacitance for the matching network; and
(ix) wherein the first capacitor provides a series capacitance between the input transmission line and the output transmission
line to block direct current from passing from the DC voltage source to load.

US Pat. No. 9,371,739

POWER PRODUCING DEVICE WITH CONTROL MECHANISM

Raytheon Company, Waltha...

1. A power-producing ram air device that is part of an aircraft, the power-producing device comprising:
a turbine; and
a controller operatively coupled to the turbine for controlling operation of the turbine;
wherein the controller includes a calculation module and a setpoint modification module; and
wherein the controller controls the turbine based at least in part on an input based on an airspeed of the aircraft and an
altitude, and baseline gains.

US Pat. No. 9,224,768

PIN DIODE STRUCTURE HAVING SURFACE CHARGE SUPPRESSION

Raytheon Company, Waltha...

1. An array of photon detectors having a plurality of photon detector pixels, comprising:
an intrinsic silicon layer;
an N+ or P+ type doped silicon layer disposed in one surface of the intrinsic silicon layer, such surface being adapted to
intercept photons;

a first plurality of doped silicon regions disposed in laterally spaced regions in an opposite surface of the an intrinsic
silicon layer, each one of the first plurality of doped regions having a conductivity type opposite the conductivity type
of the doped silicon layer, the doped silicon layer and the first plurality of doped silicon regions forming, and being biased
to form, a plurality of reverse biased PiN diodes, each one of the PiN diodes corresponding to one of the photon detector
pixels;

a second plurality of silicon doped regions each one being disposed between a corresponding adjacent pair of the first plurality
of doped silicon regions, the second plurality of doped region having the same conductivity type as the doped silicon layer
and a doping concentration less than the doping concentration of the doped silicon layer;

a gate electrode structure disposed on said opposite surface, the gate electrode structure having portions disposed over the
second plurality of silicon doped regions;

a voltage source connected to the gate electrode structure having a voltage level to reduce leakage current between the doped
layer and the first plurality of doped silicon regions.

US Pat. No. 9,147,265

SYSTEM AND METHOD FOR RAPID CLUSTER ANALYSIS OF HYPERSPECTRAL IMAGES

Raytheon Company, Waltha...

1. A method for processing hyperspectral image data, comprising:
receiving reduced dimensionality data associated with hyperspectral image data, the data including a set of pixels each represented
by a spectral vector, a set of basis vectors associated with generating the reduced dimensionality data from the hyperspectral
image data, and anomaly data associated with the hyperspectral image data;

using a processor, establishing an initial set of clusters for the reduced dimensionality data, the initial set of clusters
having cluster centers being based on the set of basis vectors;

using the processor, iteratively assigning pixels from the reduced dimensionality data to one of the set of clusters and modifying
the cluster centers based on the assigned pixels, for a given cluster, the pixels assigned to the given cluster being similar
in that they have similar distances to the cluster center of the given cluster;

outputting clustered pixel assignments and modified cluster centers associated with the hyperspectral image data; and
wherein iteratively assigning pixels includes excluding anomalous pixels, which correspond to the anomaly data, from being
assigned to the set of clusters.

US Pat. No. 9,100,545

IMAGE DEVICE HAVING A PLURALITY OF DETECTORS IN A TIME DELAY AND INTEGRATION (TDI) CONFIGURATION AND ASSOCIATED METHOD

RAYTHEON COMPANY, Waltha...

1. An imaging device, comprising:
an image sensor comprising a detector array, the detector array comprising
a plurality of detectors that receive charges generated by light; and
a plurality of detector sub-arrays, each detector sub-array comprising one or more of the plurality of detectors, the one
or more detectors of each detector sub-array being in a time delay and integration (TDI) configuration, and each of the plurality
of detector sub-arrays receiving charges generated by light having a same spectral range;

wherein the image sensor, for each of the plurality of detector sub-arrays of the detector array, generates an image signal
corresponding to a scan of an object, wherein the generated image signals each comprise time-delayed and integrated charges
generated by the one or more detectors of a corresponding detector sub-array,

wherein the image sensor further comprises a plurality of TDI diffusions, each TDI diffusion associated with a particular
detector sub-array and receiving the image signal generated by the particular detector sub-array.

US Pat. No. 9,625,566

DIRECT GEOLOCATION FROM TDOA, FDOA AND AGL

Raytheon Company, Waltha...

1. A method for estimating a location of a stationary emitter located on the Earth surface, the method comprising:
collecting data during a plurality of time periods, the data including Time Difference of Arrival (TDOA) and Frequency Difference
of Arrival (FDOA) measurements of a radar pulse sent from a stationary emitter located on the Earth surface and received by
at least two antennas on an aircraft, and altitude measurements of the aircraft above the Earth surface;

for each of the plurality of time periods, estimating a location of the stationary emitter based on the TDOA, FDOA, and altitude
measurements associated with a respective time period, the result being an estimated location of the stationary emitter associated
with the respective time period, the estimated location of the stationary emitter including a candidate longitude and a candidate
latitude of the stationary emitter;

averaging the estimated locations associated with the plurality of time periods forming an averaged estimated location of
the stationary emitter, the averaged estimated location including an average of the candidate longitudes and an average of
the candidate latitudes of the stationary emitter; and

providing the averaged estimated location of the stationary emitter,
wherein estimating includes calculating two solutions for each of the estimated locations,
wherein averaging includes maintaining a first averaged estimated location and a second averaged estimated location, each
being a running average of the solutions calculated for the estimated locations, and associating each of the solutions with
either the first or second averaged estimated location based on proximity of each of the solutions to either the first or
second averaged estimated location, and

wherein providing includes selecting either the first or second averaged estimated location having a range to the aircraft
closest in value to a computed range from the aircraft to the stationary emitter.

US Pat. No. 9,250,313

ELECTRONICALLY RECONFIGURABLE BANDWIDTH AND CHANNEL NUMBER ANALOG-TO-DIGITAL CONVERTER CIRCUIT FOR RADAR SYSTEMS

RAYTHEON COMPANY, Waltha...

7. A receiver for a radar apparatus, the receiver comprising:
a controller; and
an analog-to-digital converter circuit coupled to the controller, the analog-to-digital converter circuit comprising plurality
of analog-to-digital converters,

wherein the receiver is configured to receive a plurality of radar signals from a radar antenna, and is to operate in one
of a multi-channel mode with a first instantaneous bandwidth and a single-channel mode with a second instantaneous bandwidth
higher than the first instantaneous bandwidth,

wherein the analog-to-digital converters are configured to be operated in phase with one another when in the multi-channel
mode, and

wherein the analog-to-digital converters are configured to be operated out of phase with one another when in the single-channel
mode.

US Pat. No. 9,189,275

SYSTEM AND METHOD FOR TOPOLOGY-AWARE JOB SCHEDULING AND BACKFILLING IN AN HPC ENVIRONMENT

Raytheon Company, Waltha...

1. A method comprising:
determining, using one or more computers, an original subset of a plurality of communicatively coupled nodes of a computing
environment, the original subset comprising nodes currently unallocated to a job;

selecting a job from a job queue; and
determining that dimensions of the selected job are greater than a topology of the original subset;
selecting one or more nodes from a second plurality of nodes, the second plurality being distinct from the original subset,
wherein the selected one or more nodes from the second plurality are unavailable at the time of selecting; and

adding the nodes selected from the second plurality to the original subset to satisfy the dimensions of the selected job after
the nodes selected from the second plurality become available; and

executing the selected job.

US Pat. No. 9,147,701

MONOLITHIC INGAN SOLAR CELL POWER GENERATION WITH INTEGRATED EFFICIENT SWITCHING DC-DC VOLTAGE CONVERTOR

RAYTHEON COMPANY, Waltha...

1. A single monolithic integrated circuit (10, 11, 12, 13, 14, 15, 16) containing solar cells with a voltage converter, comprising:
a substrate (120, 220);

two or more solar cells (101, 301, 371) on the substrate and configured to generate an output voltage, wherein the two or more solar cells (101, 301, 371) comprises indium gallium nitride (InGaN) solar cells (101, 101?, 301, 371) or silicon solar cells;

the voltage converter (102, 390) integrally formed on the substrate (120, 220) with the two or more solar cells, the voltage converter (102, 390) comprising gallium nitride (GaN) and being configured to receive the output voltage and to generate a converted voltage,

wherein the voltage converter is controllable to boost or reduce the output voltage received from the two or more solar cells
in accordance with a voltage requirement and a current requirement of a load;

a plurality of field-effect transistor (FET) switches; and
a controller (109) integrated on the substrate with the solar cells and the voltage converter, wherein the controller is a CMOS controller,
and the controller is configured to couple the two or more solar cells in parallel or series configuration by controlling
the plurality of field-effect transistor (FET) switches in accordance with the voltage requirement and the current requirement
of the load, and

wherein respective bottom surfaces of the controller, the voltage converter, and at least one of the two or more solar cells
are each positioned on the same surface of the substrate.

US Pat. No. 9,500,836

PRECISION OPTICAL MOUNT FOR OPTICAL DEVICES

Raytheon Company, Waltha...

1. An optical device mount, comprising:
a sleeve having a bore defining an inner bonding surface and having an outer portion attached to an optical device;
a stud at least partially extending through the bore of the sleeve and having an outer bonding surface whereby a volume of
space is defined between the sleeve and the outer bonding surface, the stud having an opening and a plurality of passageways
in fluid communication with the opening and with the volume of space, the stud having an optical housing interface that mates
to an optical housing; and

a curable material deposited via the opening and disposed throughout the passageways and the volume of space.

US Pat. No. 9,468,103

INTERCONNECT TRANSITION APPARATUS

RAYTHEON COMPANY, Waltha...

1. A transition apparatus for connecting first and second circuit boards, comprising:
a unitary beam having edges respectively disposable at a corresponding surface of one of the first and second circuit boards
and a length defined from one of the edges to the other of the edges;

beam circuitry running along a substantial entirety of the length of the unitary beam; and
connections disposable at the edges of the unitary beam by which the beam circuitry is connectable with respective circuitry
of the first and second circuit boards at respective connection planes that are displaced into the first and second circuit
boards from respective planes of interior, opposing surfaces thereof such that portions of the edges of the unitary beam remote
from the connections are disposable in flush abutment with the respective interior, opposing surfaces.

US Pat. No. 9,360,270

LAUNCHER WITH MULTI-PART PUSHER, AND METHOD

Raytheon Company, Waltha...

1. A launcher comprising:
a pressurized gas source that provides pressurized gas; and
a pusher for transmitting force from the pressurized gas to an object to be launched;
wherein a first part of the pusher is movable relative to a second part of the pusher, with the parts of the pusher are configured
to engage respective parts of the object, to provide controlled acceleration of the parts of the object.

US Pat. No. 9,330,435

BARE EARTH FINDING AND FEATURE EXTRACTION FOR 3D POINT CLOUDS

Raytheon Company, Waltha...

1. A method for generating a bare Earth image, the method comprising:
removing a minimum bias from a plurality of three-dimensional points within a three-dimensional point cloud;
scaling the plurality of three-dimensional points by an image resolution to generate a plurality of scaled points;
identifying a minimum altitude from the plurality of scaled points;
removing a plurality of extraneous points below the minimum altitude from the plurality of scaled points;
generating a two-dimensional altitude intensity grid from the plurality of scaled points;
identifying a plurality of ground points from the two-dimensional altitude intensity grid using localized histogramming;
identifying a plurality of isolated points from the plurality of ground points; and
generating a bare earth image by removing the plurality of isolated points from the plurality of ground points.

US Pat. No. 9,242,311

USE OF SULFUR HEXAFLUORIDE GAS TO PREVENT LASER INDUCED AIR BREAKDOWN

RAYTHEON COMPANY, Waltha...

1. An apparatus for locating a target, comprising:
a laser for generating a laser beam;
a first lens for directing the laser bean towards the target;
an optical cell containing an electronegative gas at a focal point of the first lens to suppress a photoionization effect
at the focal point, wherein the optical cell includes a flexible cell wall configured to expand and contract to maintain a
pressure of the electronegative gas at the focal point is substantially one atmosphere; and

a recording device configured to receive a reflection of the laser beam from the target in order to locate the target, wherein
the reflection passes through the focal point of the first lens and through the first lens to reach the recording device.

US Pat. No. 9,158,838

DETERMINING QUERY RETURN REFERENTS FOR CONCEPT TYPES IN CONCEPTUAL GRAPHS

Raytheon Company, Waltha...

1. A method, implemented in a computer, for determining query return referent data for concept types in a conceptual graph,
the computer comprising a processor and a first memory configured to store a plurality of instructions executable by the processor
to implement the method, wherein the method comprises:
generating a conceptual graph for a document query, the conceptual graph comprising a plurality of graph terms;
identifying, in the conceptual graph, at least a first respective graph term having unknown referent data, the unknown referent
data comprising an unknown specific instance of a respective concept type associated with the first respective graph term
having unknown referent data;

identifying, for the first respective graph term having unknown referent data, at least a second respective graph term that
corresponds to a linking concept term in the conceptual graph, wherein the identification of the linking concept term is based
at least in part on determining a function of the second respective graph term in the conceptual graph, wherein the second
respective graph term is identified as the linking concept term if the second respective graph term functions to provide a
context and relationship between the first respective graph term having unknown referent data and at least a third graph term;

accessing a first knowledge base comprising a plurality of mappings of conceptually similar terms to the graph terms in the
conceptual graph;

identifying, based at least in part on information in the plurality of mappings, conceptually similar terms for each of the
graph terms in the conceptual graph;

for at least the first respective graph term having unknown referent data, modifying a corresponding mapping to the first
respective graph term having unknown referent data in the first knowledge base, to identify the first respective graph term
having unknown referent data as being a first respective graph term having unknown referent data that is in need of at least
respective potential referent data;

for at least the second respective graph term, modifying a corresponding mapping to the second respective graph term in the
first knowledge base, to identify the second respective graph term as the linking concept term;

for at least the first respective graph term having unknown referent data, identifying respective potential referent data
to be added to the conceptual graph by searching the first knowledge base, using the modified mappings to the first and second
graph terms, respectively, for instances where conceptually similar terms to the first respective graph term having unknown
referent data are associated, in at least one other mapping, with conceptually similar terms for the linking concept term,
wherein respective potential referent data that has been identified is referred to as respective identified potential referent
data;

associating, in the modified mapping for the first respective graph term having unknown referent data, the respective identified
potential referent data with the first respective graph term having unknown referent data; and

validating the conceptual graph based at least in part on analyzing a validity of each respective identified potential referent
data.

US Pat. No. 9,230,335

VIDEO-ASSISTED TARGET LOCATION

Raytheon Company, Waltha...

1. A method for high-precision geolocation of stationary or moving targets, the method comprising:
receiving a first image frame for a field of view of an imaging sensor at a first time;
receiving a three-dimensional position measurement, in an absolute coordinate system, for the imaging sensor at the first
time;

identifying one or more features representative of a target in the first image frame;
receiving a second image frame for the field of view of the imaging sensor at a second time;
receiving a three-dimensional position measurement, in the absolute coordinate system, for the imaging sensor at the second
time;

identifying one or more features representative of the target in the second image frame;
determining position and velocity of one or more of the identified features in the first and second image frames; and
determining a three-dimensional position of the target based at least in part on (i) the received three-dimensional position
measurements for the imaging sensor at the first and second times and (ii) the position and velocity of the one or more of
the identified features in the first and second image frames.