An integrated planar transformer includes a main magnetic core body and a pair of side magnetic core structures. The main magnetic core body includes a transformer segment and an inductor segment. The pair of side magnetic core structures is coupled to opposing sides of the inductor segment. Each of the side magnetic core structures is configured to form a horizontally-aligned air gap for the integrated planar transformer. Each of the side magnetic core structures may be configured to form the horizontally-aligned air gap for the integrated planar transformer between the side magnetic core structure and the inductor segment. The integrated planar transformer may further include at least one pair of dividers coupled to the opposing sides of the inductor segment, where each of the dividers is configured to form an additional horizontally-aligned air gap for the integrated planar transformer. Each of the dividers may be configured to form the additional horizontally-aligned air gap between the inductor segment and the divider.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
2.
INTEGRATED TRANSFORMER AND INDUCTOR ASSEMBLY WITH FRACTIONAL WINDINGS
An integrated transformer and inductor assembly includes a core. The core includes an inductor segment and a transformer segment. The transformer segment includes a transformer center post and a plurality of transformer side posts. An area dimension of the transformer center post and a total area dimension of the plurality of transformer side posts are substantially equal. The core is configured to provide fractional secondary windings around each of the plurality of transformer side posts.
A submunition assembly to be stored and deployed from an aerial vehicle, particularly a supersonic vehicle, includes a container having at least first and second walls that are joined at one end by a hinge that together define a volume along an axis perpendicular to the hinge that contains a submunition. The submunition assembly is suitably axially-shaped with a rigid parachute panel positioned around the hinge to separate and deploy a parachute. The container may have an internal volume that is conformal to the submunition. The container may have an exterior shape that is either optimized for free-fall or has a portion that provides a conformal surface for the aerial vehicle. The submunition assembly may be configured so that all processing, memory and data resides with the submunition, which issues any and all commands to control the container including separation of the rigid parachute panel and opening of the container to release the submunition.
A payload module for an aerial vehicle stores and deploys one or more submunition assemblies, which provide a portion of the vehicle's OML when stored, in a manner that preserves the aerodynamics of the aerial vehicle post-deployment. Pre-deployment a skin is aligned to a strongback such that the submunition assemblies are exposed through openings in the skin. Post-deployment, the skin rotates to cover any openings in the strongback exposed by the deployment of the submunition assemblies to restore the OML.
An air vehicle structure includes a first component having a plurality of first component openings, and a second component positioned on the first component and having a plurality of second component openings aligned with the plurality of first component openings. A plurality of fasteners extend through the second component openings and into the plurality of first component openings to secure the second component to the first component. A cover assembly is installed over the second component covering the plurality of fasteners and includes a cover frame, and a plurality of wedge lock assemblies. Each wedge lock assembly is positioned at a second component opening of the plurality of second component openings. Each wedge lock assembly of the plurality of wedge lock assemblies are engaged to an interior surface of a corresponding second component opening of the plurality of second component openings to secure the cover assembly to the second component.
B64C 1/14 - WindowsDoorsHatch covers or access panelsSurrounding frame structuresCanopiesWindscreens
F16B 39/04 - Locking of screws, bolts, or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, wedge, cotter-pin, screw
6.
SCALABLE INTEGRATED UNPOWERED ENVIRONMENTAL CONTROL MODULE
An environmental control module (ECM) for an enclosed space includes a heat exchanger having a cooling airflow inlet, a plurality of cold side channels fluidly connected to the cooling airflow inlet to direct the cooling airflow through the enclosed space, and a cooling airflow outlet to remove the cooling airflow from the heat exchanger. A hot side impeller is configured to rotate about a drive axis and is positioned to urge the cooling airflow out of the enclosed space and through the cooling airflow outlet. A cold side impeller is operably connected to and is coaxial with the hot side impeller and is configured to urge the cooling airflow into the heat exchanger via the cooling airflow inlet. A drive secured is to the enclosed space and is operable connected to the hot side impeller to drive rotation of the hot side impeller and the cold side impeller.
B64D 13/08 - Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space the air being conditioned the air being heated or cooled
B64D 13/06 - Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space the air being conditioned
F04D 25/02 - Units comprising pumps and their driving means
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
F04D 29/32 - Rotors specially adapted for elastic fluids for axial-flow pumps
7.
INTAKE GRATE FOR UNDERWATER VEHICLE VECTOR-FLOW THRUSTER
A propulsion system is provided. The propulsion system includes a housing and a rotatable vector-flow nozzle that extends from the housing and is configured to eject a fluid in a plurality of directions. The propulsion system also has a propeller disposed within the housing and in fluid communication with the rotatable vector-flow nozzle. The propeller includes a blade that pitches in a first direction. A fluid intake is located at an end of the propulsion system housing and opposite the rotatable vector-flow nozzle. The propulsion system also has an intake grate at the fluid intake where the intake grate defines a hub and a rim spaced apart and about the hub. The intake grate includes a plurality of intake grate blades that pitch in a second direction opposite the first direction.
A method of embedding a screen in a substrate includes placing the screen on the substrate, and then melting part of the substrate, so that the screen becomes embedded in the substrate. The melting may involve heating at least part of the screen to melt part of the substrate, or directly heating the part of the substrate. The screen may be a screen of electrically-conductive material, and the heating may be Joule heating in which an electrical current is passed through the screen to heat the screen. Alternatively, the heating may involve microwave, conductive, or laser heating. The produced device of the substrate with an embedded screen may be an optical window with an embedded electromagnetic interference (EMI) screen, may be a touch screen or touch display, or may be a window with an embedded heating element, to give a few non-limiting examples.
H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
C03C 27/02 - Joining pieces of glass to pieces of other inorganic materialJoining glass to glass other than by fusing by fusing glass directly to metal
9.
TUNABLE OPTICAL CARRIER-TO-SIDEBAND RATIO FILTERING AND DOWN-CONVERTING COHERENT RADIO FREQUENCY (RF) PHOTONIC LINK
A method includes generating first and second optical carrier signals having a specified frequency offset. The method also includes modulating an RF input signal onto a portion of the first optical carrier signal to generate modulated optical signals, where the modulated optical signals include the portion of the first optical carrier signal and sideband signals. The method further includes suppressing the portion of the first optical carrier signal in the modulated optical signals to generate carrier-suppressed single sideband signals. The method also includes optically filtering the carrier-suppressed single sideband signals to generate filtered carrier-suppressed single sideband signals. The method further includes combining the filtered carrier-suppressed single sideband signals with portions of the second optical carrier signal to generate frequency-converted optical signals. In addition, the method includes generating an output RF signal based on the frequency-converted optical signals. Each frequency-converted optical signal has an optical carrier-to-sideband ratio (OCSR) that is controllable.
Systems, devices, methods, and computer-readable media for detecting drifted data. A method includes generating, by a trained neural network (NN), a classification for an input cyber data packet, generating, based on a state of one or more layers of the NN responsive to the input, a topological persistence diagram, determining a distance between the topological persistence diagram and a topological feature associated with the classification, and issuing an alert responsive to the distance meeting one or more criterion.
A propulsion system is provided. The propulsion system includes a housing and a rotatable vector-flow nozzle that extends from the housing and is configured to eject a fluid in a plurality of directions. The propulsion system also has a propeller disposed within the housing and in fluid communication with the rotatable vector-flow nozzle. The propeller includes a blade that pitches in a first direction. A fluid intake is located at an end of the propulsion system housing and opposite the rotatable vector-flow nozzle. The propulsion system also has an intake grate at the fluid intake where the intake grate defines a hub and a rim spaced apart and about the hub. The intake grate includes a plurality of intake grate blades that pitch in a second direction opposite the first direction.
A method includes generating (402) first and second optical carrier signals (302, 304) having a specified frequency offset. The method also includes modulating (406) an RF input signal (306) onto a portion (310) of the first optical carrier signal to generate modulated optical signals, where the modulated optical signals include the portion of the first optical carrier signal and sideband signals (312). The method further includes suppressing (410) the portion of the first optical carrier signal in the modulated optical signals to generate carrier-suppressed single sideband signals. The method also includes optically filtering (412) the carrier-suppressed single sideband signals to generate filtered carrier-suppressed single sideband signals (316). The method further includes combining (414) the filtered carrier-suppressed single sideband signals with portions (318) of the second optical carrier signal to generate frequency-converted optical signals. In addition, the method includes generating (422) an output RF signal (320) based on the frequency-converted optical signals. Each frequency-converted optical signal has an optical carrier-to-sideband ratio (OCSR) that is controllable.
A bridge structure extending between a PCB contact pad and a component contact pad is provided. The bridge structure has a first polymer layer extending from a top surface of the PCB contact pad along with a second polymer layer extending from the first UV curable layer opposite the PCB contact pad. The bridge structure has a third polymer layer extending from the second layer opposite the first UV curable polymer layer to the component contact pad. A conductive interconnect is formed on the polymer layers and contacts the PCB contact pad and the component contact pad. Each of the polymer layers are ultraviolet (UV) curable and are illuminated with a UV light source that is spot focused. The polymer layers are formed to have a stepwise configuration where each polymer layer is cured prior to formation of the next polymer layer.
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
H01L 23/48 - Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads or terminal arrangements
H01L 23/00 - Details of semiconductor or other solid state devices
H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
H05K 3/32 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
A payload module for an aerial vehicle stores and deploys one or more submunition assemblies, which provide a portion of the vehicle's OML when stored, in a manner that preserves the aerodynamics of the aerial vehicle post-deployment. Pre-deployment a skin is aligned to a strongback such that the submunition assemblies are exposed through openings in the skin. Post-deployment, the skin rotates to cover any openings in the strongback exposed by the deployment of the submunition assemblies to restore the OML.
F42B 12/62 - Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles the submissiles being ejected parallel to the longitudinal axis of the projectile
F42B 15/01 - Arrangements thereon for guidance or control
A method and system for analysing video comprise obtaining a search query comprising a semantic description of an event of interest and an object definition identifying one or more objects associated with the event of interest, and obtaining first video segments. Applying one or more image classification algorithms to the first video segments to identify parts of the first video segments containing at least one object of the one or more objects, and based on this identification, defining object searched video segments each containing at least one of the identified parts. Applying one or more semantic video search models to the object searched video segments to identify parts of the object searched video segments matching the semantic description, and based on this identification, defining semantic searched video segments each containing at least one of the identified parts. Outputting the identities of the semantic searched video segments.
G06F 16/783 - Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
16.
Injection for fault insertion and integration testing
A method includes obtaining a portion of an original message in first bus traffic or second bus traffic transmitted over a communication bus by a bus controller or a remote terminal, respectively. The portion of the original message includes at least one bit. The method also includes, in response to determination that the portion of the obtained original message corresponds to a pattern in a pattern matching table, determining a specified bit that corresponds to the pattern based on a bit override table. The method further includes modifying the specified bit within the obtained original message to generate a modified message. In addition, the method includes outputting the modified message to the second bus bitwise when the original message is obtained from the first bus traffic or outputting the modified message to the first bus bitwise when the original message is obtained from the second bus traffic.
An electro-optic device includes a substrate layer, and an optical structure that comprises a thin film layer of electro-optic active material disposed over the substrate layer. The substrate layer comprises a mesa array defining a plurality of air gaps within the substrate layer. A portion of the plurality of air gaps is disposed directly below the optical structure.
G02F 1/035 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels or Kerr effect in an optical waveguide structure
G02F 1/21 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour by interference
18.
STRUCTURAL SUPPORT BEAMS USED AS ELECTRICAL CONDUCTORS IN COOLED INFRARED CAMERA HOUSINGS
A system includes an infrared camera sensor. The infrared camera sensor includes at least one electrical interface connection and a platform. The system also includes a cryocooler thermally coupled to the platform and at least one support strut mechanically supporting the platform. The at least one support strut includes at least one electrically-conductive spoke configured to interface with the at least one electrical interface connection.
H04N 23/52 - Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
G03B 17/55 - Details of cameras or camera bodiesAccessories therefor with provision for heating or cooling, e.g. in aircraft
H04N 23/20 - Cameras or camera modules comprising electronic image sensorsControl thereof for generating image signals from infrared radiation only
An electro-optic device (100) includes a substrate layer (101) and an optical structure (115a, 115b) that includes a thin film layer (111) of electro-optic active material disposed over the substrate layer. The substrate layer includes a mesa array (105) defining a plurality of air gaps (106) within the substrate layer. A portion of the plurality of air gaps is disposed directly below the optical structure.
G02F 1/035 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels or Kerr effect in an optical waveguide structure
G02F 1/225 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour by interference in an optical waveguide structure
G02B 6/12 - Light guidesStructural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
G02F 1/21 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour by interference
20.
INJECTION FOR FAULT INSERTION AND INTEGRATION TESTING
A method (900) includes obtaining (920) a portion of an original message (526, 528) in first bus traffic or second bus traffic transmitted over a communication bus (102, 202, 302, 302a, 302b, 402, 516, 518, 702A, 702B) by a bus controller (110, 210, 310, 710) or a remote terminal (120, 120A, 220, 220A, 320, 720), respectively. The portion of the original message includes at least one bit. The method also includes, in response to a determination (960) that the portion of the obtained original message corresponds to a pattern in a pattern matching table (510), determining (970) a specified bit that corresponds to the pattern based on a bit override table (512). The method further includes modifying (980) the specified bit within the obtained original message to generate a modified message (530, 532). In addition, the method includes outputting (992) the modified message to the second bus bitwise when the original message is obtained from the first bus traffic or outputting (994) the modified message to the first bus bitwise when the original message is obtained from the second bus traffic.
A system includes a mode-locked laser (MLL) configured to receive a first radio frequency (RF) reference signal, and based on the first RF reference signal, generate an optical frequency comb (OFC). The system further includes a wavelength conversion medium configured to receive the OFC, and based on the OFC, generate at least one photonic reference signal. The system further includes a transfer oscillator (TO) circuit configured to receive the OFC and the at least one photonic reference signal, and generate the first RF reference signal based on the OFC and the at least one photonic reference signal.
An apparatus continuously rotates an optical output about axis of rotation of the optical output. An input is centered on an optical axis of the apparatus and receives an optical input. An output is centered on the optical axis of the apparatus and provides an optical output. A group of five fixed fold mirrors is configured in a W orientation to receive the optical input and continuously rotates the optical output about the optical axis of the apparatus.
An apparatus includes a receiver. The receiver includes a plurality of receive channels, and each of the receive channels is configured to receive a radio frequency (RF) signal. The apparatus also includes at least one processing device configured to perform pulse compression on a plurality of RF signals received via the plurality of receive channels and generate pulse-compressed RF signals. The at least one processing device is also configured to perform Doppler filtering on the pulse-compressed RF signals and generate Doppler-filtered RF signals, convert the Doppler-filtered RF signals into a plurality of beams using beamforming, and apply an equalization weight from a plurality of equalization weights to each beam of the plurality of beams.
H04B 7/06 - Diversity systemsMulti-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
An apparatus (302) continuously rotates an optical output about axis of rotation (304) of the optical output. An input is centered on an optical axis of the apparatus and receives an optical input. An output is centered on the optical axis of the apparatus and provides an optical output. A group of five fixed fold mirrors (306-314) is configured in a W orientation to receive the optical input and continuously rotates the optical output about the optical axis of the apparatus.
G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B 17/00 - Systems with reflecting surfaces, with or without refracting elements
25.
METHOD OF CREATING AN ELECTRONICALLY READABLE OPTICAL FINGERPRINT TO PROTECT AN ELECTRICAL INTERCONNECT
An electrical system includes a signal security detection system performing a method of determining a security of an interconnect. An interconnect extended between a first device and a second device. The interconnect has at least one conductive pathway aligned along a direction between the first device and the second device. A light source is configured to transmit a light through the interconnect and an optical detector is configured to receive the light passing through the interconnect. A processor records a first optical signature of the interconnect based on the light received at the optical detector at a first time, records a second optical signature of the interconnect based on the light received at the optical detector at a second time, and validates the second optical signature against the first optical signature to determine a security of the interconnect.
G06F 21/57 - Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
H01L 25/16 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices the devices being of types provided for in two or more different subclasses of , , , , or , e.g. forming hybrid circuits
H10F 55/20 - Radiation-sensitive semiconductor devices covered by groups , or being structurally associated with electric light sources and electrically or optically coupled thereto wherein the electric light source controls the radiation-sensitive semiconductor devices, e.g. optocouplers
26.
SYNTHETIC APERTURE SONAR (SAS) PROCESSING SYSTEM WITH MULTI-ASPECT IMAGING FOR ACOUSTIC IDENTIFICATION
A synthetic aperture sonar (SAS) processing system for acoustic identification and multi-aspect imaging may perform a first instance of stripmap processing on raw SAS data to generate an initial image and identify a region of interest within the initial image. A second instance of stripmap processing performed on the raw SAS data may generate higher-resolution SAS data of at least the region of interest. The second instance of stripmap processing may include performing beamforming on the higher-resolution SAS data with a full aperture to produce a closest point of approach (CPA) image with an aspect that is orthogonal to an azimuthal path. Multi-aspect processing may include performing beamforming on the higher-resolution SAS data with a series of overlapping sub-apertures to generate the multiple images of the region of interest to present the region of interest with a different aspect and in a different time window.
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
G01S 7/53 - Means for transforming co-ordinates or for evaluating data, e.g. using computers
G01S 7/539 - Details of systems according to groups , , of systems according to group using analysis of echo signal for target characterisationTarget signatureTarget cross-section
27.
EXPLOSIVE FRAGMENTATION STRUCTURE WITH A FRAGMENT ENHANCING INSENSITIVE MUNITIONS (IM) LINER
An explosive fragmentation structure includes a fragment enhancing insensitive munitions (IM) liner. The IM liner includes a patterned metal structure having openings therethrough embedded in a compressible material to define a desired fragmentation pattern of the outer metal casing upon detonation of the explosive. The IM layer is positioned between and in conformal contact with the outer metal casing's inner surface and the explosive's outer surface.
28.
SYNTHETIC APERTURE SONAR (SAS) PROCESSING SYSTEM WITH MULTI-ASPECT IMAGING FOR ACOUSTIC IDENTIFICATION
A synthetic aperture sonar (SAS) processing system for acoustic identification and multi -aspect imaging may perform a first instance of stripmap processing on raw SAS data to generate an initial image and identify a region of interest within the initial image. A second instance of stripmap processing performed on the raw SAS data may generate higher-resolution SAS data of at least the region of interest. The second instance of stripmap processing may include performing beamforming on the higher-resolution SAS data with a full aperture to produce a closest point of approach (CPA) image with an aspect that is orthogonal to an azimuthal path. Multi-aspect processing may include performing beamforming on the higher-resolution SAS data with a series of overlapping sub-apertures to generate the multiple images of the region of interest to present the region of interest with a different aspect and in a different time window.
A rigid-floating flexible torque coupler includes a pair of ball-and-socket joints attached to opposite ends of a rigid shaft that form a single torque shaft. Each socket is configured to be rigidly attached, and possibly integrally formed, to a drive/driven shaft. Each ball-and-socket has opposing ball and socket surfaces that interfere and to prevent rotation of the ball relative to the socket to transfer torque upon rotation of the drive shaft while allowing the ball to pivot within the socket to tolerate lateral or angular offsets of the drive and driven shafts. Each socket may have sufficient depth to allow the ball (single torque shaft) to be displaced axially to tolerate axial misalignment of the drive and driven shafts. The single torque shaft is not rigidly attached. At rest in a nominally aligned state, the single torque shaft and balls “float” within the pair of sockets. In operation, the points of interference of the opposing surface may be constantly changing depending on the misalignment while maintaining the transfer of torque.
F16D 3/18 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts having slidably-interengaging teeth
A retention system for a threaded fastener is contemplated. The retention system optionally includes a threaded housing having one or more engagement recesses extending through a portion of the housing wall. A threaded hub including a plurality of teeth and a trough between each tooth of the plurality of teeth is coupled with the threaded housing. A vise anchor, (e.g., a clip, clasp, clamp, or other similar fastener) includes two or more jaws interconnected by a bridge. Each jaw includes an engagement portion where the engagement portion is sized and shaped to extend through the one or more engagement recesses and be received within the trough. Each jaw is formed to maintain retention of the threaded hub received within the housing.
A rigid-floating flexible torque coupler (100) includes a pair of ball- and-socket joints (114, 116) attached to opposite ends of a rigid shaft (112) that form a single torque shaft (106). Each socket is configured to be rigidly attached, and possibly integrally formed, to a drive/ driven shaft. Each ball-and-socket (114, 116) has opposing ball and socket surfaces (124, 128) that interfere and to prevent rotation of the ball relative to the socket to transfer torque upon rotation of the drive shaft while allowing the ball to pivot within the socket to tolerate lateral or angular offsets of the drive and driven shafts. Each socket may have sufficient depth to allow the ball (single torque shaft) to be displaced axially to tolerate axial misalignment of the drive and driven shafts. The single torque shaft is not rigidly attached. At rest in a nominally aligned state, the single torque shaft and balls "float" within the pair of sockets. In operation, the points of interference of the opposing surface may be constantly changing depending on the misalignment while maintaining the transfer of torque.
F16D 3/18 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts having slidably-interengaging teeth
A retention system for a threaded fastener is contemplated. The retention system optionally includes a threaded housing having one or more engagement recesses extending through a portion of the housing wall. A threaded hub including a plurality of teeth and a trough between each tooth of the plurality of teeth is coupled with the threaded housing. A vise anchor, (e.g., a clip, clasp, clamp, or other similar fastener) includes two or more jaws interconnected by a bridge. Each jaw includes an engagement portion where the engagement portion is sized and shaped to extend through the one or more engagement recesses and be received within the trough. Each jaw is formed to maintain retention of the threaded hub received within the housing.
H01R 13/639 - Additional means for holding or locking coupling parts together after engagement
H01R 24/52 - Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted in or to a panel or structure
F16B 1/00 - Devices for securing together, or preventing relative movement between, constructional elements or machine parts
33.
TAILORED STRUCTURAL ACTUATION SYSTEM FOR OFFLOADING A WING
A device may include a locking assembly (160) configured for coupling with an aileron (110) of an aircraft, the locking assembly includes a lock (165) configured for coupling with the aileron. The locking assembly may include a lock mechanism operatively coupled with the lock and in communication with an accelerometer (166), where the lock mechanism is configured to transition the lock from a locked configuration to a released configuration. The lock mechanism opens the lock based on a specified acceleration measured with the accelerometer, and the lock frees the aileron to a dynamic configuration. A device may include a tailored aileron deployment system including a biasing member (150) coupled with the aileron, in the released configuration the biasing member controls movement of the aileron in the dynamic configuration.
In a rocket motor in which burn rate enhancement (BRE) wires are used to accelerate the burn rate of the solid propellent, embedded charge assemblies (ECAs) are configured as support structures for the BRE wires. Each ECA includes an energetic material that is configured to burn along with the solid propellent to produce thrust and, upon detonation, to break up the solid propellent to terminate thrust. The detonation may also be initiated as a part of process to prevent a higher-order reaction, such as in reaction to heating from a fire or other cause. By being located inside the casing, the energetic material and ECAs do not adversely affect aerodynamics of the flight vehicle of which the rocket motor is a part, such as a missile.
F02K 9/95 - Rocket-engine plants, i.e. plants carrying both fuel and oxidant thereforControl thereof characterised by starting or ignition means or arrangements
A bulk acoustic wave (BAW) resonator includes a piezoelectric layer oriented so that an N-polar surface forms a frontside surface that faces away from the substrate while a metal-polar surface forms the backside surface and faces toward the substrate. A process for the manufacture of a bulk acoustic wave (BAW) resonator includes orienting a piezoelectric layer on a substrate so that an N-polar surface forms a frontside surface that faces away from the substrate while a metal-polar surface forms the backside surface and faces toward the substrate; etching a via though the backside of the substrate to the metal-polar surface of the piezoelectric layer; and removing etch residue from a sidewall of the resonator cavity.
H03H 9/17 - Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
H03H 3/02 - Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
A system includes multiple laser diode modules that are spatially separated and configured to generate multiple optical beams that propagate at angles relative to each other. The system also includes multiple first lenses arranged at angles relative to each other, each first lens configured to receive and focus one of the optical beams. The system further includes a second lens configured to receive the optical beams from the first lenses and output the optical beams such that the optical beams are closely spaced, substantially the same size, and substantially parallel to each other when exiting the second lens, and the optical beams all share a common downstream image plane.
A hybrid induction machine (130, 130', 400) includes a stator (401, 500) with an input winding (405, 600), a plurality of output windings (410, 415, 625, 650) with output ports (S2, S3), and a rotor (450, 550) connected to a flywheel (135, 453) operating as a reserve of kinetic energy to buffer surges in demand for electrical power due to large, pulsed loads with high repetition rates. Degradation of power quality at the output ports of the hybrid induction machine due to electrical noise on a main bus (105) providing electrical power to the hybrid induction machine and other apparatus can be eliminated through the use of feed-forward harmonic cancellation signals, galvanic and magnetic isolation of the output ports, and damper networks.
Heavy inert gas insulation layers are provided for one or more components of a launch system for a plurality of missiles. The layer may be integrated into the walls of the components or provided in inserts attached to the components. An inert gas fills a sealed void space in the walls or the insert. The inert gas has a density of at least 1.5 Kg/m3 and a thermal conductivity (Tcond_gas) of no greater than two-thirds of a thermal conductivity of air (Tcond_air) to form the heavy inert gas insulation layer. The inert gas may be Argon, Krypton, Xenon or a synthetic gas and is suitably held at a pressure of 760 Torr (1 atmosphere) or greater at sea level. The heavy inert gas insulation layer delays desensitization or inhibits premature reaction of the energetic materials inside the missiles due to high external temperatures. The insulation layers allow for more compact and dense configurations of the launch system and missiles.
A passive bypass (200) for an inlet (206) to a supersonic or hypersonic air-breathing engine allows airflow in the inlet to exit through the cowling (202) when the inlet supplies more airflow than the air-breathing engine demands. The air-breathing engine may be the only form of propulsion or a secondary form of propulsion to reach higher speeds. The passive bypass includes a plurality of lower channels (230) in the cowling that are operatively coupled to the inlet diffuser (212) at an inner surface (232) of the cowling and swept forward towards the throat (210), a plenum (234) in the cowling operatively coupled to the plurality of lower openings and a plurality of upper channels (236) in the cowling that are operatively coupled to the plenum and swept back away from the throat to an outer surface (238) of the cowling. A serpentine path through the plurality of lower openings, the plenum and the plurality of upper openings allows airflow in the inlet to exit through the cowling when the inlet supplies more airflow than the air-breathing engine demands.
F02C 7/04 - Air intakes for gas-turbine plants or jet-propulsion plants
F02C 7/045 - Air intakes for gas-turbine plants or jet-propulsion plants having provisions for noise suppression
F02K 7/10 - Plants in which the working-fluid is used in a jet only, i.e. the plants not having a turbine or other engine driving a compressor or a ducted fanControl thereof characterised by having ram-action compression, i.e. aero-thermo-dynamic-ducts or ram-jet engines
A hybrid induction machine includes a stator with an input winding, a plurality of output windings with output ports, and a rotor connected to a flywheel operating as a reserve of kinetic energy to buffer surges in demand for electrical power due to large, pulsed loads with high repetition rates. Degradation of power quality at the output ports of the hybrid induction machine due to electrical noise on a main bus providing electrical power to the hybrid induction machine and other apparatus can be eliminated through the use of feed-forward harmonic cancellation signals, galvanic and magnetic isolation of the output ports, and damper networks.
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 11/33 - Drive circuits, e.g. power electronics
41.
ARCHITECTURE FOR HIGH-EXTINCTION ELECTRO-OPTIC MODULATION IN PULSED FIBER LASERS
A spectral combiner is configured to spectrally combine a pulsed signal at a first wavelength and a continuous wave (CW) signal at a second wavelength. A time gate has a signal input configured to receive a first multiplexed input signal from the first WDM, a radio frequency (RF) input configured to receive a RF control signal, a bias input configured to receive a direct current (DC) bias signal, and an output. A spectral decomposer is configured to demultiplex a second multiplexed output signal from the time gate's output into a first demultiplexed signal at the first wavelength and a second demultiplexed signal at the second wavelength. The DC bias signal is based on the second demultiplexed signal.
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
G02F 1/21 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour by interference
A power amplifier module (PAM) includes an input that receives a first beam at a signal wavelength (λs) from a seeder laser source (SLS) which includes previous stages of a multi-stage fiber-based optical amplifier chain. The PAM includes an optical pump laser (OPL) that generates an optical pump beam at a pump wavelength (λp). The PAM includes a fiber-optic output configured to fusion splice to a large-core rare-earth doped power amplifier fiber (PAF). The PAM includes a wavelength-division-multiplexer (WDM) configured to spectrally combine the first beam with the optical pump beam into a single combined beam that the WDM outputs into a core of the PAF via the fiber-optic output. The λp is an in-band wavelength at which the optical pump beam emitted by the OPL optically pumps the core such that the PAF, in response to receiving the combined beam, emits an output beam at wavelength>2 μm.
H01S 3/094 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
H01S 3/30 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
43.
Metal Feature Bonding And Substrate Release Process
Methods for preparing metal structures on substrates by providing at least two substrates on which different parts of the metal structure are formed, which are bonded together to form the metal structure by thermocompression bonding, thermosonic bonding or transient liquid phase bonding such that a hermetic seal is provided and an optional hermetically sealed cavity forms in the structure, and releasing at least one of the substrates from the thereto bonded metal structure by removing a seed layer or sacrificial layer by an etching or reverse plating technique.
H01L 21/603 - Attaching leads or other conductive members, to be used for carrying current to or from the device in operation involving the application of pressure, e.g. thermo-compression bonding
B23K 20/02 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press
sppp is an in-band wavelength at which the optical pump beam emitted by the OPL optically pumps the core such that the PAF, in response to receiving the combined beam, emits an output beam at wavelength > 2 µm.
H01S 3/094 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
H01S 3/30 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
H01S 3/13 - Stabilisation of laser output parameters, e.g. frequency or amplitude
H01S 3/23 - Arrangement of two or more lasers not provided for in groups , e.g. tandem arrangement of separate active media
45.
BIAS CIRCUIT FOR CASCODE FET AMPLIFIER WITH VARIABLE DRAIN BIAS
A circuit includes a bias circuit configured to be coupled to a cascode field effect transistor (FET) amplifier. The bias circuit is configured to receive a variable supply voltage, to generate a reference current independent of the variable supply voltage, and to mirror the reference current as a copy current in the cascode FET amplifier. The bias circuit includes a first follower network, a second follower network, and a third follower network. The first follower network is configured to receive the variable supply voltage and to generate an adjusted voltage less than the variable supply voltage for the bias circuit. The second follower network is coupled to the first follower network and is configured to provide a voltage-level shift based on the adjusted voltage. The third follower network is coupled to the second follower network and is configured to buffer the second follower network against a sink current from and a source current to the cascode FET amplifier.
H03F 1/22 - Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
An apparatus for rotating an optical input about an optical axis of the optical input. The apparatus includes an input for receiving the optical input and an output for providing an optical output. The apparatus also includes a plurality of switch mirrors moveable between a first state and a second state that rotates an associated mirror about the optical axis of the optical input. The apparatus further includes a plurality of fixed mirrors each in a fixed position. The plurality of switch mirrors may be placed in a plurality of configurations to rotate the optical output between a plurality of positions at the output responsive to receipt of the optical input.
G02B 23/02 - Telescopes, e.g. binocularsPeriscopesInstruments for viewing the inside of hollow bodiesViewfindersOptical aiming or sighting devices involving prisms or mirrors
G02B 23/16 - HousingsCapsMountingsSupports, e.g. with counterweight
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
Vacuum insulation layers are provided for one or more components of a launch system for a plurality of missiles. The vacuum insulation layers may be integrated into the walls of the components or provided in inserts attached to the components. A medium or high vacuum is pulled on a sealed void space in the walls or the insert. The vacuum insulation layer provides a thermal conductivity (Tcond_vac) of less than one-third of a thermal conductivity of air (Tcond_air). The vacuum insulation layer delays desensitization or inhibits premature reaction of the energetic materials inside the missiles due to high external temperatures. The insulation layers allow for more compact and dense configurations of the launch system and missiles.
A circuit (100) includes a bias circuit (104) configured to be coupled to a cascode field effect transistor (FET) amplifier (102). The bias circuit is configured to receive a variable supply voltage (112), to generate a reference current (204) independent of the variable supply voltage, and to mirror the reference current as a copy current (206) in the cascode FET amplifier. The bias circuit includes a first follower network (114), a second follower network (116), and a third follower network (118). The first follower network is configured to receive the variable supply voltage and to generate an adjusted voltage (308) less than the variable supply voltage for the bias circuit. The second follower network is coupled to the first follower network and is configured to provide a voltage-level shift based on the adjusted voltage. The third follower network is coupled to the second follower network and is configured to buffer the second follower network against a sink current (110a) from and a source current (110b) to the cascode FET amplifier.
H03F 1/22 - Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
H03F 1/30 - Modifications of amplifiers to reduce influence of variations of temperature or supply voltage
H03F 3/193 - High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
49.
MULTI-MISSION DISTRIBUTED SPACE VEHICLE MISSION MANAGEMENT ARCHITECTURE
Systems, devices, methods, and computer-readable media for space vehicle sensor management. A method includes receiving, at a mission operations center (MOC), respective regional requests from respective regional schedulers, the respective regional requests indicating mission windows (MWs) and corresponding sensors to be operated in associated MWs, receiving, at the MOC, respective sensor plans from corresponding space vehicle operation centers (SVOCs), each sensor plan indicating MWs for which a given sensor is unavailable, generating, based on the regional requests and the sensor plans, a MW apportionment for each regional scheduler, the MW apportionment indicating MWs and corresponding sensors that a user associated with the regional scheduler has authorization to command the sensor, and providing the MW apportionment for the regional scheduler to the regional scheduler.
A heat exchange device for an electromechanical system. The heat exchange device can include an evaporator, a condenser, and a flexible heat flow element (or "ribbon" section) that connects the evaporator and the condenser. The "ribbon" section can receive heat, from heat source associated with the electromechanical system, via the evaporator. The condenser can be coupled to a structural element that is part of a movable component of the electromechanical system. The condenser receives heat from the evaporator via the "ribbon" section. The condenser interfaces with an enclosure of the electromechanical system to provide both a thermal connection between the condenser element and the enclosure and a structural connection between the movable component and the enclosure, via the structural element.
A heat exchange device for an electromechanical system. The heat exchange device can include an evaporator, a condenser, and a flexible heat flow element (or “ribbon” section) that connects the evaporator and the condenser. The “ribbon” section can receive heat, from heat source associated with the electromechanical system, via the evaporator. The condenser can be coupled to a structural element that is part of a movable component of the electromechanical system. The condenser receives heat from the evaporator via the “ribbon” section. The condenser interfaces with an enclosure of the electromechanical system to provide both a thermal connection between the condenser element and the enclosure and a structural connection between the movable component and the enclosure, via the structural element.
A semiconductor device includes a dual-stage Schottky barrier. The dual-stage Schottky barrier includes a first stage and a second stage. The first stage is formed over a substrate stack and includes an upper layer having a length corresponding to a gate length for the device. The second stage is formed at least partially over the first stage and includes a contact segment having a length less than the gate length.
An apparatus for testing an antenna element (502) of an antenna array includes a laser (102) configured to generate a laser beam (304) for coarse mechanical positioning of the antenna element. The apparatus also includes an interferometer (104) having a plurality of antennas (202) configured to receive signals from the antenna element for fine electrical positioning of the antenna element, where the laser and the interferometer are collocated. The apparatus further includes a controller (106) configured to control positioning of the laser and the interferometer based on information associated with the laser beam received by the controller and the signals received from the antenna element.
G01R 35/00 - Testing or calibrating of apparatus covered by the other groups of this subclass
H01Q 3/26 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture
A system and method are provided for integrating a property management system and a cyber vulnerability management system to provide remediation for assets in an environment. Information obtained about network connected mechanical assets within the environment is respectively obtained from a tag on the asset. For each asset the asset is identified through a property management database based on the information in the tag and a cyber position of the asset is obtained through a digital network identifier in the tag from the cyber vulnerability management system. In response to identification of the asset having a cyber vulnerability, remediation for the cyber vulnerability is determined, scheduled, and initiated.
A system and method are provided for integrating a property management system and a cyber vulnerability management system to provide remediation for assets in an environment. Information obtained about network connected mechanical assets within the environment is respectively obtained from a tag on the asset. For each asset the asset is identified through a property management database based on the information in the tag and a cyber position of the asset is obtained through a digital network identifier in the tag from the cyber vulnerability management system. In response to identification of the asset having a cyber vulnerability, remediation for the cyber vulnerability is determined, scheduled, and initiated.
Heavy inert gas insulation layer(s) are provided for containers configured to contain components that include an energetic material. The heavy inert gas insulation layer delays desensitization or inhibits premature reaction of the energetic material due to high external temperatures. The layers may be formed in hollow walls of the container itself or as inserts that are attached to the container. An inert gas fills a sealed void space in the walls or the insert. The inert gas has a density of at least 1.5 Kg/m3 and a thermal conductivity (Tcond_gas) of no greater than two-thirds of a thermal conductivity of air (Tcond_air) to form the heavy inert gas insulation layer. The inert gas may be Argon, Krypton, Xenon or a synthetic gas and is suitably held at a pressure of 760 Torr (1 atmosphere) or greater at sea level.
B65D 81/38 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
B65D 85/30 - Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
An apparatus for testing an antenna element of an antenna array includes a laser configured to generate a laser beam for coarse mechanical positioning of the antenna element. The apparatus also includes an interferometer having a plurality of antennas configured to receive signals from the antenna element for fine electrical positioning of the antenna element, where the laser and the interferometer are collocated. The apparatus further includes a controller configured to control positioning of the laser and the interferometer based on information associated with the laser beam received by the controller and the signals received from the antenna element.
G01B 15/00 - Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
G01B 11/27 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes for testing the alignment of axes
58.
MULTI-MISSION DISTRIBUTED SPACE VEHICLE MISSION MANAGEMENT ARCHITECTURE
Systems, devices, methods, and computer-readable media for space vehicle sensor management. A method includes receiving, at a mission operations center (MOC), respective regional requests from respective regional schedulers, the respective regional requests indicating mission windows (MWs) and corresponding sensors to be operated in associated MWs, receiving, at the MOC, respective sensor plans from corresponding space vehicle operation centers (SVOCs), each sensor plan indicating MWs for which a given sensor is unavailable, generating, based on the regional requests and the sensor plans, a MW apportionment for each regional scheduler, the MW apportionment indicating MWs and corresponding sensors that a user associated with the regional scheduler has authorization to command the sensor, and providing the MW apportionment for the regional scheduler to the regional scheduler.
A semiconductor device includes a dual-stage Schottky barrier (100). The dual-stage Schottky barrier includes a first stage (106) and a second stage (108). The first stage is formed over a substrate stack (102) and includes an upper layer (206, 406, 606) having a length corresponding to a gate length for the device. The second stage is formed at least partially over the first stage and includes a contact segment (210, 410, 608) having a length less than the gate length.
H10D 64/27 - Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
H10D 64/64 - Electrodes comprising a Schottky barrier to a semiconductor
H10D 30/47 - FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels having 2D charge carrier gas channels, e.g. nanoribbon FETs or high electron mobility transistors [HEMT]
H10D 62/85 - Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group III-V materials, e.g. GaAs
A device optionally includes a housing defining a cavity extending through the housing. The device includes, for example, a first sensing membrane having a first deflectable surface that deflects in response to a pressure wave and a second sensing membrane spaced from the first membrane having a second deflectable surface that deflects in response to a pressure wave and connected with the housing. A device includes a coupling positioned between the first membrane and the second membrane. The coupling is configured to transmit a representation of the deflection of one or more of the membranes. A device optionally includes a sensor in communication with one or more of the first membrane, the second membrane or the coupling.
G01H 3/00 - Measuring vibrations by using a detector in a fluid
G01H 5/00 - Measuring propagation velocity of ultrasonic, sonic or infrasonic waves
G01S 3/801 - Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic, or infrasonic waves Details
G01V 1/18 - Receiving elements, e.g. seismometer, geophone
61.
ENERGETIC MATERIAL CONTAINER HAVING A HEAVY INERT GAS INSULATING LAYER
Heavy inert gas insulation layer(s) are provided for containers configured to contain components that include an energetic material. The heavy inert gas insulation layer delays desensitization or inhibits premature reaction of the energetic material due to high external temperatures. The layers may be formed in hollow walls of the container itself or as inserts that are attached to the container. An inert gas fills a sealed void space in the walls or the insert. The inert gas has a density of at least 1.5 Kg/m3 and a thermal conductivity (Tcond gas) of no greater than two-thirds of a thermal conductivity of air (Tcond air) to form the heavy inert gas insulation layer. The inert gas may be Argon, Krypton, Xenon or a synthetic gas and is suitably held at a pressure of 760 Torr (1 atmosphere) or greater at sea level.
A method for fabricating a multi-layer resonator assembly includes sequentially fabricating a plurality of vertically-stacked resonator layers including, for each resonator layer of the plurality of resonator layers, depositing a dielectric layer, forming at least one film bulk acoustic resonator (FBAR) cavity in the deposited dielectric layer, filling each FBAR cavity of the at least one FBAR cavity with a sacrificial material block, and depositing a FBAR material stack over the at least one FBAR cavity. The deposited FBAR material stack is in contact with the sacrificial material block and the dielectric layer. The method further includes removing the sacrificial material block from the at least one FBAR cavity for each resonator layer of the plurality of resonator layers subsequent to sequentially fabricating the plurality of resonator layers.
H03H 9/17 - Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
H03H 3/02 - Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
H10D 30/47 - FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels having 2D charge carrier gas channels, e.g. nanoribbon FETs or high electron mobility transistors [HEMT]
H10N 39/00 - Integrated devices, or assemblies of multiple devices, comprising at least one piezoelectric, electrostrictive or magnetostrictive element covered by groups
A method of manufacturing one or more coaxial assemblies includes forming a first panel member and a second panel member by diffusion bonding sheets formed of a metal material, disposing one or more conductive elements between the first panel member and the second panel member at locations corresponding to the one or more coaxial assemblies, bonding the first panel member to the second panel member to form an assembly structure including a plurality of coaxial assemblies, and separating the one or more coaxial assemblies from the assembly structure. The bonding includes disposing a conductive epoxy, a conductive solder, or a layer formed of the conductive epoxy or the conductive solder and between the first panel member and the second panel member.
A device optionally includes a housing defining a cavity extending through the housing. The device includes, for example, a first sensing membrane having a first deflectable surface that deflects in response to a pressure wave and a second sensing membrane spaced from the first membrane having a second deflectable surface that deflects in response to a pressure wave and connected with the housing. A device includes a coupling positioned between the first membrane and the second membrane. The coupling is configured to transmit a representation of the deflection of one or more of the membranes. A device optionally includes a sensor in communication with one or more of the first membrane, the second membrane or the coupling.
G01S 7/539 - Details of systems according to groups , , of systems according to group using analysis of echo signal for target characterisationTarget signatureTarget cross-section
G01S 15/58 - Velocity or trajectory determination systemsSense-of-movement determination systems
65.
METHODS FOR CHANNEL IDENTIFICATION USING JOINT FEATURE LIKEHOODS
The likelihood that a region of a spectrum of a captured signal waveform defines a channel is determined. A spectrum snapshot is captured of the signal waveform for a spectrum. A plurality of regions is defined within the spectrum. Each region includes a subset of the signal waveform. A peak picking process is performed for the plurality of regions. A first plurality of peaks is identified within a subset of the signal waveform within a region. A periodic peak difference likelihood function is executed to determine a first likelihood value that the plurality of peaks within the subset includes a periodic frequency. A sub-carrier similarity function also is executed to determine a second likelihood value that the plurality of peaks is similar. The values are combined to determine a total likelihood value that is used to determine whether the region and subset of the signal waveform defines a channel.
An electric direct-drive motor (202) suitable for an autonomous underwater vehicle (AUV) comprises a fully-encapsulated stator (200) and a rotor. The fully-encapsulated stator comprises a stator encapsulated in a thermally-conductive and electrically-isolative encapsulant. Said encapsulant is configured to align the rotor within the fully-encapsulated stator or more precisely the internal surface of said stator. The radial gap between the rotor and the internal stator surface provides a fluid bearing between the rotor and stator. Such that the internal surface of the stator operates as a bearing surface for the rotor and the radial gap provides a fluid bearing when flooded, thus during operation. This allows the electric direct-drive motor to be directly exposed to seawater even under high external water pressure without the need of sealing the rotor.
H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
B63H 23/24 - Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
A submunition assembly to be stored and deployed from an aerial vehicle, particularly a supersonic vehicle, includes a container having at least first and second walls that are joined at one end by a hinge that together define a volume along an axis perpendicular to the hinge that contains a submunition. The submunition assembly is suitably axially-shaped with a rigid parachute panel positioned around the hinge to separate and deploy a parachute. The container may have an internal volume that is conformal to the submunition. The container may have an exterior shape that is either optimized for free-fall or has a portion that provides a conformal surface for the aerial vehicle. The submunition assembly may be configured so that all processing, memory and data resides with the submunition, which issues any and all commands to control the container including separation of the rigid parachute panel and opening of the container to release the submunition.
The likelihood that a signal waveform is a Fabry-Perot signal is determined using features belonging the signal waveform. Features include a periodic peak difference likelihood and a gain profile likelihood. A spectrum snapshot of a signal waveform is captured for an optical fiber spectrum to obtain a power spectral density. A plurality of peaks is identified within the signal waveform of the spectrum snapshot. A periodic peak difference likelihood function is executed to determine a first likelihood value that the plurality of peaks is periodic. A gain profile likelihood estimator function is executed to determine a second likelihood value that the signal waveform has symmetrically decreasing peaks from center peak of the plurality of peaks. The first likelihood value and the second likelihood value are combined to determine a total likelihood value. Based on the total likelihood value, a Fabry-Perot signal is determined for the signal waveform.
A tubular structure having a length and a width is provided. The tubular structure includes an outer, inner or no surface along the tubular structure length and a cross-sectional area at the tubular structure width. The tubular structure cross-sectional area remains constant or near-constant along the tubular structure length. The tubular structure also has unit cells on the tubular structure outer, inner or no surface that are formed with a thermal fusion process. Each unit cell of the plurality of unit cells has a repeating triangular configuration along the tubular structure length. The plurality of unit cells forms a spiral pattern along the tubular structure length where the spiral pattern provides improvement in cross sectional-area modulation along the tubular structure length.
A contact planning system can include memory for storing orbit and transmission data for space and ground objects. The system can further include a processing system coupled to the memory. The processing system can determine which of the space and ground objects are within a field of view of a receive antenna based on geometric calculations, to generate a set of potential interferers. The processing system can further compare transmission parameters of the set of potential interferers with corresponding parameters for an intended emitter to determine which of the set of potential interferers are expected to generate at least a threshold interference level. The processing system can further prepare an avoidance plan for avoiding interference with potential interferers that are expected to exceed the threshold interference level. Other apparatuses and methods are also described.
A snorkel for determining the presence of contaminants and electrical properties of a component on a PCB is provided. The snorkel includes a housing having a plurality of ribs that are each configured to move between a first position and a second position, a fluid inlet port, and a fluid outlet port. The snorkel also has a first flexible seal that defines a fluid boundary and a second flexible seal that defines a vacuum boundary. The fluid inlet/outlet ports define a fluid channel within the fluid boundary. The first flexible seal is within the vacuum boundary such that the fluid boundary is disposed within the vacuum boundary. The snorkel also has a plurality of electrical probes that can employ a four-point probe method where a tip of each electrical probe of the plurality of probes is disposed within the fluid channel.
G01N 27/07 - Construction of measuring vesselsElectrodes therefor
G01N 30/96 - Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography using ion-exchange
72.
DIRECT-DRIVE MOTOR WITH FULLY-ENCAPSULATED STATOR FOR UNDERWATER VEHICLES
An electric direct-drive motor for an underwater vehicle comprises a fully-encapsulated stator and a rotor. The fully-encapsulated stator may comprise a stator encapsulated in a thermally-conductive and electrically-isolative encapsulant. The encapsulant may be configured to align the rotor within the fully-encapsulated stator. The fully-encapsulated stator may have an internal surface to operate as a bearing surface for the rotor. A radial gap between the rotor and the internal surface may provide a fluid bearing between the rotor and stator. The internal surface of the fully-encapsulated stator operates as a bearing surface for the rotor and the radial gap provides a fluid bearing when operating in a flooded assembly. This allows the electric direct-drive motor to be directly exposed to seawater and the high external water pressure eliminating any need for a pressure compensated housing and dynamic seals and bearings.
H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
H02K 11/27 - Devices for sensing current, or actuated thereby
A snorkel for determining the presence of contaminants and electrical properties of a component on a PCB is provided. The snorkel includes a housing having a plurality of ribs that are each configured to move between a first position and a second position, a fluid inlet port, and a fluid outlet port. The snorkel also has a first flexible seal that defines a fluid boundary and a second flexible seal that defines a vacuum boundary. The fluid inlet/outlet ports define a fluid channel within the fluid boundary. The first flexible seal is within the vacuum boundary such that the fluid boundary is disposed within the vacuum boundary. The snorkel also has a plurality of electrical probes that can employ a four-point probe method where a tip of each electrical probe of the plurality of probes is disposed within the fluid channel.
G01N 27/04 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
H05K 13/08 - Monitoring manufacture of assemblages
74.
SPACE RADIO FREQUENCY INTERFERENCE PROVISIONING IN CONTACT PLANNING
A contact planning system can include memory for storing orbit and transmission data for space and ground objects. The system can further include a processing system coupled to the memory. The processing system can determine which of the space and ground objects are within a field of view of a receive antenna based on geometric calculations, to generate a set of potential interferers. The processing system can further compare transmission parameters of the set of potential interferers with corresponding parameters for an intended emitter to determine which of the set of potential interferers are expected to generate at least a threshold interference level. The processing system can further prepare an avoidance plan for avoiding interference with potential interferers that are expected to exceed the threshold interference level. Other apparatuses and methods are also described.
A system includes a substrate and an electrical component mounted to the substrate. The electrical component includes multiple conductive connectors physically and electrically connecting the electrical component to the substrate. The system also includes a structural enclosure positioned around lateral edges of the electrical component and mounted to the substrate. The structural enclosure includes raised walls extending away from the substrate and surrounding the electrical component. The raised walls are configured to block foreign object debris from contacting the conductive connectors. The electrical component may further include a semiconductor die and a lid, the lid may be in thermal contact with the semiconductor die, and the structural enclosure may be attached to the lid. The structural enclosure may further include multiple projections extending from the raised walls, and the lid may be attached to the projections of the structural enclosure.
H01L 23/04 - ContainersSeals characterised by the shape
H01L 23/10 - ContainersSeals characterised by the material or arrangement of seals between parts, e.g. between cap and base of the container or between leads and walls of the container
An additively manufactured multilayered structure including a first ceramic layer, the first ceramic layer including a ceramic powder having piezoelectric characteristics and a second ceramic layer built over the first ceramic layer, the second ceramic layer includes a second layer of ceramic powder has piezoelectric characteristics built on the first layer. At least a portion of the second ceramic layer is sintered and set over the first layer.
A method for forming a coating on a substrate formed from zinc sulfide (ZnS) is provided. A ZnS film is grown on the substrate with a radio frequency sputtering process and metal dopants are sputtered on the substrate with a high-power impulse magnetron sputtering process. The metal dopants can be molybdenum or tungsten and simultaneously sputtered while growing the ZnS film. The sputtering ionizes the coating where the coating has a sheet resistance that is less than 50 ohm/square and the metal dopants form n-type dopants in the ZnS film. The metal dopants can be formed at a concentration that varies with a thickness of the ZnS film. At a first thickness, the concentration is at a first concentration and at a second thickness greater than the first thickness, the concentration is at a second concentration less than the first concentration.
A switched-mode AC-DC converter includes (i) first and second pairs of switches connected in a full bridge configuration between AC terminals and DC terminals and (ii) a controller configured to control the switches according to a first switching scheme in which the controller alternates between: a first period in which the first pair of switches is in a first fixed state and the second pair of switches is switched on and off at a higher frequency fHIGH; and a second period in which the first pair of switches is switched on and off at the higher frequency and the second pair of switches is in a second fixed state, where the controller alternates between the first and second period at a line frequency fAC of an AC signal at the AC terminals.
H02M 7/219 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
80.
DYNAMIC STABILIZATION FOR HYBRID ENERGY STORAGE MACHINERY WITH POWER SYSTEM EXPERIENCING TORSIONAL OSCILLATIONS
A method of stabilizing a power supply (105) includes receiving (805), at a controller (140) connected to an alternating current (AC) excitation source (160), a plurality of system inputs. The method further includes obtaining (810) a harmonic spectrum of the load current on a hybrid asynchronous induction machine (120) and determining (815), based on the harmonic spectrum, a first low frequency spectrum of the load current with a greatest magnitude of oscillations. Additionally, the method includes controlling (820) the AC excitation source to generate a first compensation signal and providing (825) the first compensation signal to the hybrid asynchronous induction machine.
H02P 9/00 - Arrangements for controlling electric generators for the purpose of obtaining a desired output
H02J 3/30 - Arrangements for balancing the load in a network by storage of energy using dynamo-electric machines coupled to flywheels
H02P 9/10 - Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
H02P 25/22 - Multiple windingsWindings for more than three phases
81.
DYNAMICALLY STABILIZED HYBRID ENERGY STORAGE MACHINERY FOR POWER SYSTEM EXPERIENCING TORSIONAL OSCILLATIONS
A hybrid asynchronous induction machine (600) includes a stator (601) disposed in a stator housing (603), the stator comprising an input winding (605) for a polyphase input signal, a primary output winding (610) and a secondary output winding (615). The machine also includes a rotor (650) having a shaft (651 ) connected to a flywheel (653) of an energy storage unit (125). The rotor comprises a primary rotor winding (655) for a polyphase AC excitation signal and a secondary rotor winding for bidirectional power flow. The hybrid asynchronous induction machine is further configured to receive a compensation signal for cancelling low-frequency electrical resonances.
H02P 9/00 - Arrangements for controlling electric generators for the purpose of obtaining a desired output
H02J 3/30 - Arrangements for balancing the load in a network by storage of energy using dynamo-electric machines coupled to flywheels
H02P 9/10 - Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
H02P 25/22 - Multiple windingsWindings for more than three phases
82.
METHOD FOR PRODUCING TRANSPARENT CONDUCTIVE COATINGS FOR EMI PROTECTION USING HIPIMS
A method for forming a coating on a substrate formed from zinc sulfide (ZnS) is provided. A ZnS film is grown on the substrate with a radio frequency sputtering process and metal dopants are sputtered on the substrate with a high- power impulse magnetron sputtering process. The metal dopants can be molybdenum or tungsten and simultaneously sputtered while growing the ZnS film. The sputtering ionizes the coating where the coating has a sheet resistance that is less than 50 ohm/square and the metal dopants form n-type dopants in the ZnS film. The metal dopants can be formed at a concentration that varies with a thickness of the ZnS film. At a first thickness, the concentration is at a first concentration and at a second thickness greater than the first thickness, the concentration is at a second concentration less than the first concentration.
C23C 14/35 - Sputtering by application of a magnetic field, e.g. magnetron sputtering
H10F 10/162 - Photovoltaic cells having only PN heterojunction potential barriers comprising only Group II-VI materials, e.g. CdS/CdTe photovoltaic cells
H10F 71/00 - Manufacture or treatment of devices covered by this subclass
G02B 1/10 - Optical coatings produced by application to, or surface treatment of, optical elements
83.
PIEZOELECTRIC STRUCTURE AND ADDITIVE MANUFACTURING METHOD
An additively manufactured multilayered structure including a first ceramic layer (202), the first ceramic layer including a ceramic powder having piezoelectric characteristics and a second ceramic layer built (204) over the first ceramic layer, the second ceramic layer includes a second layer of ceramic powder has piezoelectric characteristics built on the first layer. At least a portion of the second ceramic layer is sintered and set over the first layer.
H10N 30/095 - Forming inorganic materials by melting
B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
C04B 35/468 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
An apparatus and system are provided to provide transpiration cooling for an airframe. An airframe includes a body that contains circuitry, a phase change material (PCM) that changes phase to a gas when cooling the circuitry, a fluid reservoir that retains the PCM in liquid and gaseous form, a vapor reservoir that retains the gas, a thermal sensor that detects a temperature of an external surface of the body, and a controller that control ejection of the gas from the vapor reservoir based on the temperature to control a thickness of a boundary air layer at the external surface. The controller also controls flow of the gas from the fluid reservoir to the vapor reservoir via a valve based on pressure in the vapor reservoir detected by a pressure sensor.
A seeker (100) includes a housing (104), a digital focal plane array (DFPA) (108), and a cryo-adapter (102). The DFPA is positioned in the housing. The cryo-adapter is positioned in the housing adjacent to the DFPA. The cryo-adapter is configured to remove heat from the DFPA. The cryo-adapter includes an endcap (115) and tubing (114). The endcap forms an interior for the cryo-adapter, and the tubing is configured to supply liquefied cryogen to the interior of the cryo-adapter.
G01J 5/061 - Arrangements for eliminating effects of disturbing radiationArrangements for compensating changes in sensitivity by controlling the temperature of the apparatus or parts thereof, e.g. using cooling means or thermostats
An apparatus and system are provided to provide transpiration cooling for an airframe. An airframe includes a body that contains circuitry, a phase change material (PCM) that changes phase to a gas when cooling the circuitry, a fluid reservoir that retains the PCM in liquid and gaseous form, a vapor reservoir that retains the gas, a thermal sensor that detects a temperature of an external surface of the body, and a controller that control ejection of the gas from the vapor reservoir based on the temperature to control a thickness of a boundary air layer at the external surface. The controller also controls flow of the gas from the fluid reservoir to the vapor reservoir via a valve based on pressure in the vapor reservoir detected by a pressure sensor.
Sights, other than telescopic sights, for firearms; sights, other than telescopic sights, for machine guns and man-portable missiles; sighting mirrors for guns; gun sight cases; gun sight caps; fixed power sights for rifles and machine guns; three field-of-view sights for rifles, machine guns.
An electronic device including a device architecture including a tracking engine (TE). The TE includes a plurality of TE channels, each TE channel including a plurality of correlators. In a first mode of the electronic device, the electronic device is configured to: divide the plurality of TE channels into a first group of TE channels and a second group of TE channels; configure the first group of TE channels to search for and detect a plurality of signals in parallel, search for and detect the plurality of signals according to a sequential order, or both; and configure the second group of TE channels to validate and track the detected plurality of signals. In a second mode of the electronic device, the electronic device is configured to configure the first group of TE channels and the second group of TE channels to track the detected plurality of signals.
A projectile that includes an artillery shell having a casing that defines a surface is provided. The projectile has an obturator that includes an obturator first material layer on the casing surface and an obturator second material layer on the obturator first material layer. The obturator also has an obturator third material layer on the obturator second material layer. The projectile also has a driving band that includes a driving band first material layer on the casing surface and a driving band second material layer on the driving band first material layer. Additionally, the projectile includes a driving band lead-in having a driving band lead-in first material layer on the casing surface and a driving band lead-in second material layer on the driving band lead-in first material layer.
A ceramic substrate including a porous internal structure including a sealant infiltrator. The sealant infiltrator includes sodium and silicate. The sealant infiltrator infiltrates at least some of the plurality of pores and closes the plurality of pores filled with the sealant infiltrator when exposed to a negative pressure. The sealant infiltrator is distributed across the exterior surface of the ceramic substrate.
F42B 12/76 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing
C04B 41/00 - After-treatment of mortars, concrete, artificial stone or ceramicsTreatment of natural stone
A propulsion system, such as for an aircraft, for instance an unmanned aircraft system (UAS), includes a rocket motor and an electric motor, with the rocket motor passing through a central opening in the electric motor. The electric motor may be a brushless outrunner electric motor, with a rotor of the electric motor radially outward of a stator of the electric motor. The electric motor may use part of the rocket motor, such as a rocket nozzle (to give a non-limiting example), and may be used to turn blades of a propeller, to propel the aircraft. The propeller blades may be foldable blades, hingedly coupled to a yoke. The blades may deploy after launch of the aircraft, such as from a launcher, for instance a launch tube.
A seeker includes a housing, a digital focal plane array (DFPA), and a cryo-adapter. The DFPA is positioned in the housing. The cryo-adapter is positioned in the housing adjacent to the DFPA. The cryo-adapter is configured to remove heat from the DFPA. The cryo-adapter includes an end cap and tubing. The endcap forms an interior for the cryo-adapter, and the tubing is configured to supply liquefied cryogen to the interior of the cryo-adapter.
F25B 9/02 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effectCompression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using vortex effect
G01J 5/061 - Arrangements for eliminating effects of disturbing radiationArrangements for compensating changes in sensitivity by controlling the temperature of the apparatus or parts thereof, e.g. using cooling means or thermostats
97.
FAST GNSS SIGNAL ACQUISITION FOR A MANEUVERABLE VEHICLE IN LOW-SNR ENVIRONMENT
An electronic device including a device architecture including a tracking engine (TE). The TE includes a plurality of TE channels, each TE channel including a plurality of correlators. In a first mode of the electronic device, the electronic device is configured to: divide the plurality of TE channels into a first group of TE channels and a second group of TE channels; configure the first group of TE channels to search for and detect a plurality of signals in parallel, search for and detect the plurality of signals according to a sequential order, or both; and configure the second group of TE channels to validate and track the detected plurality of signals. In a second mode of the electronic device, the electronic device is configured to configure the first group of TE channels and the second group of TE channels to track the detected plurality of signals.
A projectile that includes an artillery shell having a casing that defines a surface is provided. The projectile has an obturator that includes an obturator first material layer on the casing surface and an obturator second material layer on the obturator first material layer. The obturator also has an obturator third material layer on the obturator second material layer. The projectile also has a driving band that includes a driving band first material layer on the casing surface and a driving band second material layer on the driving band first material layer. Additionally, the projectile includes a driving band lead-in having a driving band lead-in first material layer on the casing surface and a driving band lead-in second material layer on the driving band lead-in first material layer.
09 - Scientific and electric apparatus and instruments
Goods & Services
Multi-domain surveillance radar system for air, sea, and land surveillance; multi-platform surveillance radar system for air, sea, and land surveillance
100.
SYSTEM AND METHODS FOR POWERING SECONDARY UNMANNED AERIAL SYSTEMS OF A POP-UP HF ANTENNA SYSTEM
A pop-up HF antenna system includes a primary UAS associated with a feed point of the pop-up HF antenna. The primary UAS has a first input configured to receive an RF signal and a second input configured to receive a DC power signal. At least one secondary UAS are associated with an endpoint of the pop-up HF antenna. a pair of wires is configured to interconnect the primary UAS to the at least one secondary UAS and to provide the DC power signal and the RF signal from the primary UAS to the at least one secondary UAS. At least one antenna interface circuit located at the primary UAS and configured to connect the primary UAS to the pair of wires and to combine the DC power signal and the RF signal. The pair of wires is configured to provide simultaneous differential-mode DC transmission and common-mode RF transmission.
H01Q 3/02 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
H01Q 1/28 - Adaptation for use in or on aircraft, missiles, satellites, or balloons
H04B 10/25 - Arrangements specific to fibre transmission
