United States Government, as represented by the Secretary of the Navy Patent applications |
Patent application number | Title | Published |
20160033177 | Air Conditioning System - An air conditioning system that includes desiccant compartments for holding a desiccant; a heat exchanger, a blower and a vessel. The heat exchanger can be filled with a heat transfer medium, while the blower blows ambient air by the heat exchanger such that the blown air is cooled and the heat exchanger is warmed such that thermal energy increases and is transferred from the air to the heat transfer medium causing the heat transfer medium to turn into vapor. The vapor is then diffused to one of the desiccant compartments such that the vapor is adsorbed onto the desiccant creating a mixture. Then an energy source is applied to the mixture such that the vapor and desiccant are separated. The separated vapor is transported to the vessel where it is condensed and then sent back to the heat exchanger, such that the system is able to be continuously operating. | 02-04-2016 |
20160005242 | Predictive Automated Maintenance System (PAMS) - A method of performing preventative, routine and repair maintenance on a plurality of geographically remote units includes the step of establishing a Common Core System (CCS), or portion of a unit under test (UUT) component that has a common configuration for each unit. The CCS can be established at manufacture, or it can be back fitted by hardware implementation on legacy UUT's. Each CCS is networked to an Advanced Automated Test System (AATS), which is further networked to a central knowledge database and to a plurality of remote users. The remote users can access the AATS through the network to conduct remote tests of the UUT through the CCS, and to troubleshoot the UUT in response to a UUT test fault. The central knowledge database can further store configuration and operation history for the UUT, to maintain configuration control and to predict a Mean Time Between Failures (MTBF) for the UUT. | 01-07-2016 |
20150200524 | Modular power distribution for a tactical vehicle - A modular power distribution system is provided for a tactical vehicle. The system includes a connector panel disposed within an attachment plate configured to be mounted to an interior surface of the tactical vehicle, a plurality of interface units disposed within the connector panel, and a plurality of signal source units corresponding to the interface units and accessible therefrom. The signal source units include at least one power supply unit and other signal source units each configured to supply signals via corresponding interfaces when connected to external electronic devices. A circuit breaker is also provided and includes a corresponding interface unit of the plurality of interface units and is connected with the power supply unit, and configured to connect and disconnect power supply to the modular power distribution system, from the tactical vehicle | 07-16-2015 |
20150127312 | Modular Model and simulation architecture - A computer-implemented modeling-and-simulation coordination module is provided for coordinating components by exchanging and sequencing instructions. The module includes a scenario file generator, a plug-in loader, an interface loader, a module classifier, an event detector, a response initiator, a simulation processor, a model request processor, an instance receiver, and an output provider. The scenario file generator creates a blank scenario file. The plug-in loader loads plug-in modules. The interface loader loads GUIs into corresponding containers. The classifier sets a classification to a highest rank plug-in module. The event detector monitors updating events. The response initiator prompts the operator to select an experimental plug-in module. The simulation processor executes a simulation in response to the operator loading a scenario, setting experimental parameters, and selecting the simulator plug-in. The model request processor provides parameters from the experimental frame to the model plug-in module. The instance receiver receives model instances from the model plug-in module. The output provider displays information based on time controls. The simulation processor instructs the simulator plug-in to execute instructions until satisfaction of terminal conditions and in response to initiation by the experimental plug-in module. | 05-07-2015 |
20150102690 | Single-Power Dual-Polarity Marx Bank Circuit - A high voltage circuit is provided for electrical pulse generation. The circuit includes an input voltage supply, a ground potential, a difference load, inverting and non-inverting Marx bank circuits connected respectively to output voltage nodes. The voltage supply has positive and negative terminals, with ground connecting to the voltage supply at the negative terminal. The output voltage nodes connect to the load. The inverting Marx bank circuit has a first n-plurality of stages in parallel, connecting at a first stage to the positive terminal and at a last stage at the inverting output node. The non-inverting Marx bank circuit has a second plurality of stages in parallel, connecting at a first stage to the positive terminal and at a last stage at the non-inverting output node. The load combines the inverting output voltage of minus n-times the input voltage with the non-inverting output voltage of plus n-times the input voltage for a total of 2n-times the input voltage. | 04-16-2015 |
20150012911 | Interface simulator for test rig in data distribution service - A method of interface simulation is provided for enabling publication and subscription of messages for a given problem domain, without requiring development of software or code. The method includes identifying a set of messages using the DDS as a problem domain; generating said . java message class from said problem domain generated from a .idl file for Interface Definition Language (IDL); processing said .java message class by Java reflection; generating a plurality of .java message stubs generated in the IDL format of said problem domain; incorporating said plurality of .java message stubs into a .jar message class file by said Java reflection; and rendering a graphical display that enables an operator to select and edit a .java message object from said plurality of stubs in said .jar message class. | 01-08-2015 |
20140260941 | Mountable Fixture for Absorbing Recoil - A fixture is provided for supporting load from weapons recoil, being mountable on a flat bed of a road vehicle disposed on ground. The flat bed can receive a weapons mount. The vehicle has longitudinal, lateral and vertical orientations. The fixture includes a box brace, a recoil platform, first and second brackets, first and second beams, first and second posts and a deck. The box brace extends in the lateral direction. The recoil platform is parallel to the brace. The first and second brackets extend from the platform in the longitudinal direction. The beams are disposable parallel to the brace. The beams are translatable in the lateral direction. The first and second posts extend in the vertical direction downward from respective the first and second beams. The deck can receive the weapons mount, and is disposable on the platform and the brackets. The posts are retractable for stowage and extendible for raising the flat bed above the ground. | 09-18-2014 |
20140249783 | Method and Device for Estimating Allowable Threat Proximity - A method is provided for assessing potential threat from an approaching craft to a target platform. The method includes analyzing a vulnerability parameter of the platform, such that parameter quantifies a threshold to a destructive event. The method further includes observing a characteristic of the craft based on its size and type, and estimating a carrying capacity explosive mass of the craft based on that characteristic. The method further includes computing a risk boundary based on the mass against the parameter as a function of distance between the craft and the platform, displaying a graph of said boundary as the distance varying with respect to the mass, wherein the boundary represents the threshold, and plotting a graphical position of the craft in relation to the mass and the distance on the graph. | 09-04-2014 |
20140249753 | Atmospheric Density Correlation Technique - A computer-implemented sequence analysis method is provided for calculating atmospheric density. The method includes determining an altitude Z within an altitude range band such that Z(i)≦Z≦Z(i+1); identifying factor A(i) and exponential B(i) coefficients that correspond to said altitude range; and applying said factor and exponential coefficients to density equation ρ(Z(i)=A(i)e | 09-04-2014 |
20140244559 | Data structure and method for performing mishap risk of a system - A computer-implemented method is provided for performing mishap risk assessment within a system. The method includes providing a first set of data including risk information associated with at least one hazard within the system, correlating all input first set of data with a second set of data defined as a plurality of mishaps of the system such that the hazard correlates with each mishap to assess mishap potential, storing the correlated first and second sets of data, and performing mishap risk assessment within the system based the correlated data including the first and second sets of data. | 08-28-2014 |
20140238734 | Electromagnetic Cloak Using Metal Lens - A cloak is provided for concealing an object to an electromagnetic field. A first vane encloses the object and a second vane encloses the first vane. The distance between the first and second vanes varies relative to the object, so as to conceal the object to the electromagnetic field. | 08-28-2014 |
20140203819 | Cloaked electromagnetic field sensor - A cloaked field sensor apparatus and system using a cloaking barrier sheath to substantially enclose the surface of a transmitter conduit exposed to an electromagnetic field being measured to reduce the field sensor's interference with the electromagnetic field being measured. Multiple cloaked field sensor apparatuses may be aligned in an array and use identical or different cloaking barrier sheaths. | 07-24-2014 |
20140201418 | Net-centric adapter for interfacing enterprises systems to legacy systems - A configurable system for translating, exchanging and integrating data and services among disparate software applications is provided. The system includes a first connection that interfaces with an enterprise system, a second connection that interfaces with a legacy system, and an adapter module coupled to the first and second connections. The adapter module is configured to receive data from the first connection and pass data to the second connection. The system may also include a transform module configured to manipulate data received at the second connection. The adapter module may be single-channel or multi-channel. A multi-channel adapter module is able to interface with multiple legacy systems and/or multiple enterprise systems. | 07-17-2014 |
20140145870 | Continuous Wave Electronic Disrupter - A continuous wave electromagnetic apparatus is provided for emitting electronic interference against a target. The apparatus includes a several magnetrons that connect in series. The magnetrons are tuned to frequencies distinguishable from each other. Each magnetron generates a corresponding continuous wave signal at a corresponding wavelength. A multiplexer connects to the several magnetrons to concatenate each the signal into a combination signal. An emitter device connects to the multiplexer to discharge the combination signal towards the target. | 05-29-2014 |
20140130011 | Re-programmable process for configurable software - A computer-implemented processor is provided for enabling an operator to reprogram a configurable software product. The processor includes a composition graphical user interface (GUI) creator for producing a composition that modifies the software product by applying operational rules, and a memory for storing the composition. The composition includes an instruction set of commands therein as an adapted software product. | 05-08-2014 |
20140099657 | Methods for bacillus spore preparation - A preparation method for strains of | 04-10-2014 |
20140067312 | Launch Origin and Apparent Acceleration Determination Technique - A computer-implemented analysis method is provided for identifying launch position and acceleration of a bogey relative to Earth's surface based on Earth's radius. The method includes operations of observing a target position and a velocity vector of the bogey; establishing an altitude of the bogey relative to a tangent line on the Earth's surface from the target position and the velocity vector; determining a flight path angle of the bogey relative to an intersection line perpendicular to the tangent line; calculating a launch angle of the bogey from the flight path angle and the altitude; evaluating a tilt angle of the bogey from the flight path and launch angles; establishing a distance of the target position to the launch position from the flight path and tilt angles and the Earth's radius; estimating the acceleration from the distance and a velocity magnitude deriving from the velocity vector; and reporting the acceleration and the launch position. | 03-06-2014 |
20140066236 | Airbag projectile for impeding surface vessel - A projectile can be fired at a surface vessel and, upon impact, an air bag may be deployed almost instantaneously from underneath the vessel. Through the rapid inflation of the air bag, the stability and orientation of the target surface vessel may be disturbed. Disturbance, at a minimum, may reduce and change the trajectory of the surface vessel, but, in some circumstances, the surface vessel may be overturned. The air bag may be designed with an anti-slip coating to directly couple to the wet hull of the surface vessel. In some embodiments, the projectile may include a delay to enable the air bag to be positioned under the vessel before inflation thereof. | 03-06-2014 |
20140063920 | Static random access memory that initializes to pre-determined state - A static random access memory (SRAM) is provided for establishing an initialization state. The SRAM connects to a plurality of signal lines including a bit line and an inverse bit line. The SRAM includes first and second inverters, a voltage potential and a ground. The first inverter includes a first n-type metal oxide semiconductor (MOS) transistor having a first n-type threshold voltage and a first p-type MOS transistor having a first p-type threshold voltage. The second inverter includes a second n-type MOS transistor having a second n-type threshold voltage and a second p-type MOS transistor having a second p-type threshold voltage. The first transistors connect respectively first n-type and first p-type drains together at a first junction that connects to the bit line. The second transistors connect respectively a second n-type and second p-type drains together at a second junction that connects to the inverse bit line. The voltage potential connects to corresponding first and second p-type sources of the first and second p-type MOS transistors, and the ground potential connects to corresponding first and second n-type sources of the first and second n-type MOS transistors. The SRAM initializes the bit line to either logical high or low in response to differences in threshold voltages between either or both of the first and second n-type MOS transistors or the first and second p-type MOS transistors. | 03-06-2014 |
20140061507 | Broadband artificial dielectric with dynamically optical control - A material is provided for switching dielectric constant between distinct first and second values responsive to electromagnetic radiation having a specified energy. The material includes a medium transparent to the radiation and a plurality of particulates. Each particulate has a dipole that assumes one of distinct first and second parameters that correspond to the first and second values. The particulates are suspended within the medium. The parameters are either dipole span or charge strength. The dipole of each particulate sets to the first parameter by default and sets to the second parameter in response to the radiation. The particulates can be composed from undoped semi-insulating gallium arsenide. The medium can be polymethylmethacrylate, for example. | 03-06-2014 |
20140041938 | Universal Ground Adapter for Marine Cables - An adapter is provided for electrically connecting an interior surface of a conduit and an external surface of a cable. The adapter includes a flat strip extending longitudinally from first to second ends with first and second transverse edges and composed of an electrically conductive and mechanically flexible material. The strip includes a longitudinal ribbon that forms a ring for wrapping around the cable by curling the first and second ends together in a direction transverse to the sheet, and a plurality of first and second incisions from the transverse edges towards the ribbon, the incisions being disposed at respective intervals that correspond to a longitudinally regular pattern. The first incisions form tapering tabs for bending in the direction transverse to the sheet to produce petals that extend radially inward from the ring to engage the cable. The second incisions form peripheral tabs for bending in an opposite direction transverse to the sheet to produce flanges that extend radially outward from the ring to engage the conduit. | 02-13-2014 |
20140026669 | Gas gun fixture to evaluate blast wave on target sample - A test fixture is provided for mounting a sample to a gas gun. The fixture includes a gun barrel mount including an annular enclosure with first and second axial ends, and a sample platform. The mount connects to the gas gun at the first end. The sample platform includes a tubular component having third and fourth axial ends, a pusher disk, an end plate, and a flange. The disk supports the sample and mounts to the end plate. The flange removably attaches to the component at the third end. The end plate removably attaches to the component at the fourth end and to the enclosure at the second end. | 01-30-2014 |
20140001931 | Light-Weight Frame for Gun Module Remote Control System | 01-02-2014 |
20130344399 | Ionic liquid batteries - Novel electric battery systems are disclosed utilizing selected ionic liquids as electrolytes and selected metals and metal oxides as electrodes. The ionic liquids utilize a substituted imidazolium cation, which does not have the corrosive safety and environmental concerns associated with corrosive acid and alkali electrolytes. | 12-26-2013 |
20130341529 | Microwave Induced Visible Luminescence - An indicator device for detecting high-power microwave radiation is provided, including an electrically-insulating substrate; an electrically-conductive portion disposed on the substrate; and an electroluminescence material disposed on the portion. The electroluminescence material can be zinc-cadmium-sulfide ((ZnCd)S) crystal doped with manganese (Mn) and aluminum (Al) as (ZnCd)S:Mn | 12-26-2013 |
20130338979 | Predictive Characterization of debris from catastrophic fracture - A process is provided for characterizing debris, such as predicted from a hydrocode model. The process uses simulation data currently from a CTH hydrocode system to generate a DATAOUT file, but can be easily modified to handle simulation data from other hydrocodes. The debris characterizing process completes iterative calculations to compare cell radii and determine cell connections. Cell connections are continually made to determine and characterize debris pieces. The process includes creating a dynamic scenario from the hydrocode model, producing a SPCTH file, translating the SPCTH file to a DATAOUT file, selectively eliminating materials from the DATAOUT file, reordering the input information in the DATAOUT file, determining connected cells to form single pieces of debris, storing connectivity in an integer array, storing piece information in a cell storage array; and displaying the debris information. | 12-19-2013 |
20130333678 | Nontoxic low melting point fusible alloy lubrication of electromagnetic railgun armatures and rails - A railgun which has a conductive lubricant and system of delivery reduces the electrical resistance and friction of the armature-rail sliding contact, thereby decreasing the amount of heat generated at the electrical contact. The conductive lubricant may be a ternary alloy of bismuth, indium and tin. The system of delivery for the conductive lubricant may include a plurality of surface reservoirs formed in either the rail surface, the armature face, or both. | 12-19-2013 |
20130331534 | Polymeric superabsorbents with oligo(ethylene oxide) side chains - A superabsorbent polymeric material for absorption of organic liquids which includes at least one crosslinked polymeric superabsorbent material with oligo(ethylene oxide) side chains. One such polymeric material is poly[3,6,9-trioxadecyl propenoate]. | 12-12-2013 |
20130319876 | Mercury-free fusible alloy for electrolyzing salts - An apparatus and method is provided for the production of alkali metals and caustic solutions. The apparatus and method do not require the use of toxic liquid mercury-sodium amalgam electrodes. The apparatus and methods utilize a bismuth-indium-tin eutectic alloy as a substitute for the mercury electrode used in a conventional Castner-Kellner apparatus. | 12-05-2013 |
20130319211 | PLUME EXHAUST MANAGEMENT FOR VLS - A system is provided for directing a flow of gas, including a launching mechanism, a plenum, a layer of meltable material, and an open-ended uptake component. The launching mechanism is adapted to expel rocket exhaust gas. The plenum includes an upper portion having at least one fire resistant breachable plug. The upper portion is adjacent to the launching mechanism. The layer of meltable material is disposed on the upper portion. The heat generated by the gas melts the layer of meltable material. The open-ended uptake component operatively connects to the plenum. The plug moves onto a lower portion of the plenum due to force generated by the gas onto the plug, and the gas flows through the plenum and the uptake component to vent said gas in a controlled manner. | 12-05-2013 |
20130291106 | Enterprise level information alert system - A Common Architecture System Assurance Information Assurance (IA) alert system that monitors IA events that may occur on a separate computer or computer system that is vulnerable to attack from internal misuse and penetration by outside sources. The system collects IA event messages and translates them into a common format for processing. It then analyzes the IA event, determines its seriousness, analyzes possible repairs for problems resulting from the IA event, and reports this information in real time to system monitors. These reports are in a readily-understood format this is free of computer jargon. The system reports are designed to be read and understood even by a person with limited education who is not trained in computer or IA technology. | 10-31-2013 |
20130193290 | Low-profile quick-adjust mount for laptop computer - A mount is provided for removably attaching a laptop computer releasably connected to a platform in a vehicle. The mount includes a handle, an interface bay, a pivot plate, a plurality of holders, and a collar. The handle mounts to the vehicle. The interface bay removably attaches to the platform onto which the computer mounts. The pivot plate mounts to the bay. Each of the holders wraps around the handle and attaches to the pivot plate. The collar releasably secures the pivot plate at an angle relative to vehicle horizontal. The platform can rotate in pitch relative to the handle and can pivot in roll relative to the pivot plate. | 08-01-2013 |
20130155411 | Signal Amplifier by Triple Mach-Zehnder Interferometers - A signal amplifier is provided via a triple Mach-Zehnder interferometer (MZI) apparatus for determining intensity distribution at either a first port or a second port by a photon from a source. The first and second ports correspond to respective first and second directions. The MZI apparatus includes four beam-splitters disposed co-linearly in parallel between the source and the ports, six parallel mirrors, and first and second path projectors. Three of these mirrors are displaced along the first direction from the beam-splitters, while the remaining mirrors are displaced along the second direction. The path projectors conduct weak measurement of a photon occupation number and are disposed between the second beam-splitter and an adjacent downstream mirror. The output port is disposed beyond the fourth beam-splitter in the first direction. The intensity distribution at the output port is positive in response to one of the first measurement being positive and the second measurement being negative. | 06-20-2013 |
20130090004 | Universal ground adapter for marine cables - An electrical conduit ground device is provided for electrically and environmentally shielding an electric cable. The device includes a conduit having a receiving end through which the cable passes axially; an internal seal that inserts into the receiving end; a gland boss that inserts into the receiving end; an external seal that inserts into the boss and extends axially outward from the receiving end; and a grounding assembly disposed between the internal and external seals. The assembly includes an adapter for providing electrical grounding contact between the cable and the swage tube; a space-retainer for structurally supporting the adapter; and a washer for axially separating the internal and external seals. The adapter is provided for electrically connecting an interior surface of a conduit and an external surface of a cable. The adapter includes an electrically conductive and mechanically flexible sheet having first and second edges that can face each other, the sheet being configured to form an annulus that mechanically contacts the external surface of the cable and a periphery that mechanically contacts the inner surface of the conduit. | 04-11-2013 |
20130076556 | Active differential reflectometry - A millimeter wave method and apparatus for detecting objects on humans, for example, that might be hidden, for example, under the human's clothing includes an active w-band radiation source to illuminate the human subject; a diffuser on the active illumination source; a receiver to acquire an active mode and a passive mode image; apparatus and methods to minimize background environmental millimeter waves; and a device to form and display a differential image. The resulting differential image may show contraband at high resolution while avoiding display of the human anatomy. | 03-28-2013 |
20130050707 | Optical dynamic non-locality induction bit - A quantum dynamical non-locality device is provided for establishing a photon traveling along a path in a binary state. The device includes twin Mach-Zehnder interferometer (MZI), a shutter and a detector. The twin MZI includes first and second right-isosceles triangle prisms, corresponding first and second trombone mirrors, and corresponding first and second spacers. The prisms join at a beam-splitter interface. The mirrors reflect the photon by an offset substantially perpendicular to photon's travel direction. The spacers are respectively disposed between their respective prisms and mirrors to produce corresponding spatial gaps. The path through the prisms includes traversing spacers and gaps. The detector detects a quantum state of the photon after passing the prisms and the mirrors. The shutter switches to one of disposed within and removed therefrom the first gap. The shutter shifts said quantum state of the photon. | 02-28-2013 |
20130027710 | Measurement of small accelerations by optical weak value amplifcation - An accelerometer instrument is provided for measuring acceleration. The instrument includes a laser, a Mach-Zender interferometer (MZI), a mechanical spring, a detector, a camera, and an analyzer. The laser emits a coherent light beam of photons. The MZI includes first and second beam-splitters along with first and second mirrors. The first mirror has an established mass m and connects to the spring for vibrating substantially perpendicular to its reflection plane. The mechanical spring has an established spring constant k. The MZI has an established weak measurement N | 01-31-2013 |
20120316824 | Aerial bogey discrimination technique - A computer-implemented analysis method is provided for identifying a flight trajectory of a bogey relative to earth's surface. The method includes a first step of obtaining first and second altitudes and velocities of the bogey separated by a first time interval. The second step calculates a first difference between the first and second velocities divided by the first time interval to obtain an acceleration vector. The third step determines the direction of the velocity vector. The fourth step determines whether direction of the second velocity vector exceeds an upward pointing threshold. The fifth step determines whether the acceleration vector is negative and substantially perpendicular to earth's surface as a second result being valid. The sixth step reports that the bogey represents a ballistic projectile in response to the first and second results. | 12-13-2012 |
20120316819 | Process for estimation of ballistic missile boost state - A computer-implemented method is provided for generating the estimation of current position, velocity and acceleration state vectors and associated uncertainty estimation (covariance) of a boosting ballistic missile. The method includes constructing a state tensor of the projectile from a plurality of sensor measurements in Earth-Centered, Earth-Fixed (ECEF) coordinates; translating the state tensor to Cartesian coordinates as a transform state; determining a covariance matrix from the transform state; updating the transformed state as an updated transform state; and updating the covariance matrix as an updated covariance. The process can further include adjusting the covariance matrix by an approximate transition matrix and a process noise matrix. The noise matrix can be translated from a local noise matrix based on a propagation time-step, a scaling parameter, and a bias process noise level. A time-of-flight in the state tensor can be updated by smoothing from a launch event. | 12-13-2012 |
20120316701 | Spherical infrared robotic vehicle - A spherical infrared robotic vehicle (SIRV) is provided for remote reconnaissance. The SIRV includes a spherical shell, a chassis within the shell, an infrared sensor within the chassis and a set of wheels between the shell and chassis. The spherical shell has inner and outer surfaces. The chassis contains a platform, an electric motor and a power supply, and includes an infrared aperture. The infrared sensor mounts to the platform and disposed to receive an infrared signal through the aperture as infrared images. The sensor can be a plurality of infrared cameras mounted in separate directions. The set of wheels are driven by the motor and supported by the chassis. The wheels engage the inner surface and turn in response to the motor. Turning the wheels rolls the shell to propel the SIRV. | 12-13-2012 |
20120315106 | Fastener for strut channel - A self-contained fastener is provided for attaching to a structure having opposing edges that flank a cavity across a gap. The fastener includes a grip member, a clamp member and a latch member. The grip member has a knob and an inner annulus disposed thereon along an axis of symmetry. The knob has a central through-hole coaxial with the inner annulus. The inner annulus has an arc tab that radially protrudes therefrom. The clamp member includes a boss and an outer annulus disposed thereon. The boss has first and second dimensions perpendicular to the axis, the first dimension being shorter than the gap. The clamp member is flanked by opposing ledges along the second dimension. Each ledge is arranged to engage a respective edge of the structure. The inner annulus is coaxially insertable into the outer annulus. The latch member includes a stud and a flange. The stud is insertable at a proximal end into the inner annulus and the through-hole. The flange is disposed at a distal end of the stud and has a third dimension shorter than the gap. The flange and the block can be inserted into the cavity along the respective third and first dimensions through the gap. In response to clockwise turning, the knob rotates the tab within the angular notch until inhibited by the outer annulus, whereby the proximal end of the stud retracts into the through-hole, thereby engaging the fastener to the structure. | 12-13-2012 |
20120314863 | Secure key distribution using sequential weak values - A method is provided for distributing a random list of binary values between first and second parties. The method includes sending photons from the second party into an interferometer at a first beam splitter; performing a first weak measurement on photons as a first pointer result into a first time-ordered list for photons; performing a second weak measurement by the first party on photons that pass through a second beam splitter as being a second pointer result into a second time-ordered list; recording identification for first and second detectors that the photons arrive via a third beam splitter as respective first and second detector registrations for collecting in a third time-ordered list as respective first and second detection lists; determining first and second averages of the respective first and second detection lists; and comparing the averages to verify existence of a non-trivial difference that indicates secure communication status of the element's binary value. | 12-13-2012 |
20120314215 | Measurement of small wavelength difference in coherent light using faraday effect - An apparatus is provided for determining a target wavelength λ of a target photon beam. The apparatus includes a photon emitter, a pre-selection polarizer, a prism composed of a Faraday medium, a post-selection polarizer, a detector and an analyzer. The photon emitter projects a monochromatic light beam at the target wavelength λ substantially parallel to a magnetic field having strength B. The target wavelength is offset from established wavelength λ′ as λ=λ′+Δλ by wavelength difference of Δλ<<λ. The Faraday prism has Verdet value V. After passing through the pre-selection polarizer, the light beam passes through the prism and is incident to an interface surface at incidence angle θ | 12-13-2012 |
20120314210 | Laser beam profile measurement - A method for characterizing a laser beam profile is provided. The method includes disposing a laser target, moving the surface of the target, directing a laser to emit the beam at the surface, measuring a reflection from the surface as intensities, and averaging the intensities. The target's surface is disposed substantially perpendicular to an incident direction. The surface is reflective at a wavelength corresponding to the laser beam. The travel direction is substantially parallel to the surface. The laser beam travels along said incident direction to the surface. The reflection represents a plurality of intensities having a distribution of positions along the surface and during a temporal interval. The intensities are averaged over the temporal interval for each position of the distribution to produce an analyzed beam profile. Each position corresponds to a speed along the travel direction based on movement of the surface. The surface can be preferably spun along an axis substantially parallel to the incident beam. | 12-13-2012 |
20120313853 | Hand -interface for weapon station - An ergonomic control instrument for an operator's hand is provided to be disposable on a platform and communicate with a processor. The instrument includes a base for mounting to the platform, a pistol-grip handle disposed on the base to tilt from perpendicular to the platform, a head unit disposed on the handle, a deck within the head unit connecting to the handle, and a plurality of input devices disposed on at least one of the head unit and the handle, each device of the plurality for receiving a command from the operator's hand. Also, an ergonomic control station for an operator is provided, with the station including a platform in front of the operator, a first hand-held instrument mountable to the platform, a second hand-held instrument mountable to the platform, and a processor having a plurality of connections to the first and second pluralities of input devices. | 12-13-2012 |
20120313805 | RADAR TARGET DETECTION PROCESS - A process is provided for analyzing a radar signal using CLEAN to identify an undetected target in sidelobes of a detected target. The process includes obtaining system impulse response data of a waveform for a point target having a signal data vector based on a convolution under conjugate transpose multiplied by a target amplitude vector plus a noise vector, estimating the target amplitude vector, and applying a CLEAN Deconvolver to remove the detected target from the data signal vector based on the estimate amplitude vector absent the detected target and an amplitude vector of an undetected target. The process further includes building a detected target vector with the amplitude estimate vector, setting to zero all elements of the detected target vector except at an initial time, and recomputing the amplitude estimate vector by a Reformulated CLEAN Detector. | 12-13-2012 |
20120313734 | Folded coaxial radio frequency mirror - A coaxial mirror is provided for reflecting an electromagnetic signal. The mirror includes an outer pipe, an inner pipe, and first and second rods. The outer pipe extends between input and output ports, with closed initial and final terminals disposed at their respective ports. The inner pipe extends between a closed fore end and an open aft end. The inner pipe is coaxially disposed between the initial and final terminals within the outer pipe. The first rod, coaxially disposed within the outer pipe, extends from the input port to the fore end. The second rod, coaxially disposed within the inner pipe, extends from downstream of the fore end to the output port. Preferably, the first and second pipes are cylindrical tubes. Preferably, fluoropolymer fills the annular region between the inner and outer pipes, and fluoropolymer foam fills the inner pipe. Preferably, the first pipe has an electrically conductive inner surface, the second pipe has electrically conductive inner and outer surfaces, and the first and second rods have conductive surfaces. A first embodiment includes a conductor, coaxially disposed within the inner pipe, that extends from the fore end to the second rod. In a second embodiment, the second rod is hollow, and is preferably filled with the foam. | 12-13-2012 |
20120313634 | Magnetic Field Detection Using Faraday Effect - A magnetometer is provided for detecting a magnetic field of strength B using the Faraday effect. The magnetometer includes a photon emitter, a first polarizer, a prism, a second polarizer, a detector and an analyzer. The emitter projects an emitted light beam substantially parallel to the magnetic field and having wavelength λ. The prism has an interface surface and is composed of a Faraday medium having Verdet value V. The emitted light beam passes through the first polarizer and then the prism, exiting from the interface surface making an incident angle θ | 12-13-2012 |
20120313452 | Flux compression generator - A flux compression generator (FCG) is provided for producing an electromagnetic pulse (EMP). The FCG includes an environmental case, a reactive load, a dielectric core, a superconducting stator, an electric energy source, a load switch, and a transition device. The reactive load transmits the EMP in response to an electric current pulse. The dielectric core has proximal and distal ends within the case, with the stator disposed coaxially around the core that provides structural support. The case contains the electrical energy source, the stator, the core and the transition device. The energy source connects to the stator at the proximal end and powers the transition device. The load switch connects the reactive load to the stator at the distal end. The energy source initially provides an electric current to the stator. The device upon activation heats at least a portion of the stator to reversibly transition the portion from a superconducting state to a non-superconducting state. The stator transfers the electric current as the pulse to the reactive load upon the portion's transition to the non-superconducting state. The stator can be a superconducting helical coil that wraps around the core connected to a superconducting conductor disposed coaxially within the core. Alternatively, the stator can be a stack of superconducting rings disposed coaxially along the core. The superconducting coil and rings can preferably be composed of a high temperature superconductive material on a metal substrate. | 12-13-2012 |
20120313370 | Adapter ring for pre-filter in chemical, biological and radiological environments - An axi-symmetric adapter is provided for attaching to a pre-filter bag as a pre-filter assembly for use with chemical, biological, and radiological filtration systems. The bag has an annular retention ring, with the assembly being insertable into a cavity of an M98 Filter Bank or other Navy-designated Collective Protection System filter housing. The adapter includes tang, groove, flange mezzanine rings. The tang ring has an exterior bevel edge and terminates a reverse side of the adapter. The groove ring possesses inner and outer cylindrical walls that define a circular channel and terminate an obverse side of adapter. The flange ring extends radially inward from the inner cylindrical wall for engaging the retention ring. The mezzanine ring connects the flange and groove rings together. | 12-13-2012 |
20120313080 | Semiconductor photocapacitor device - A photocapacitor device is provided for responding to a photon having at least a specified energy. The photocapacitive device includes a first portion composed of a photocapacitive material; a second portion composed of a non-photocapacitive material; and a depletion region disposed between the first and second portions. The ph otocapacitive and non-photocapacitive materials respectively have first and second Fermi-energy differences, with the second Fermi-energy difference being higher than the first Fermi-energy difference. | 12-13-2012 |
20120312876 | Determination of weapons fratricide probability - A computer-implemented method is provided for determining fratricide probability of projectile collision from a projectile launcher on a platform and an interception hazard that can be ejected or launched from a deployment position. The platform can represent a combat vessel, with the projectile launcher being a gun, the interception hazard being a missile, and the deployment position being a vertical launch cell. The projectile launcher operates within an angular area called the firing zone of the platform. The method includes determining the firing zone, calculating an angular firing area, quantifying a frontal area of the interception hazard, translating the resulting frontal area across a flight trajectory, sweeping the projectile launcher to produce a slew angle, combining the slew and trajectory, and dividing the combined interception area by the firing area. The firing and interception areas are calculated using spherical projection. | 12-13-2012 |
20120312477 | Winder for Rectangular Cross-Section Wire - A device is provided for winding wire into a coil. The device includes a shaft for turning on an axis; a hub attached to the shaft; inner and outer wheels; a mandrel having an outer radial surface for looping the wire; and a guide connectable to the mandrel and extending past the inner wheel. The shaft is structurally supported by a housing. The inner wheel, mandrel and outer wheel are removably fastened to the hub, the wire passes along the guide and lays along the radial surface of the mandrel, and the shaft rotates for looping the wire around the mandrel. The shaft can be rotated either manually or by a motor. A system is provided that includes the winding device, and further includes a wire-feed device, particularly for arranging several strands of wire into a ribbon. | 12-13-2012 |
20120312219 | Modular towable platform - A towable buoyant platform of modular floating segments is provided to serve as a floating target. The platform connects at least one pontoon thereto. The pontoon includes a keel that connects to the hull and a plurality of buoyant modules. The keel extends longitudinally along the platform. Each module has an interface that connects to the keel. Each module also includes first and second longitudinal ends. The first and second ends have a tongue and a groove, respectively. The tongue and groove are slideably connectable to each other, such that fore and aft modules of the plurality attach together. | 12-13-2012 |
20100197004 | Microtiter plate to mitigate cell distribution bias from meniscus edge - A lid assembly is provided for mitigation or removal of meniscus along the periphery of sample liquid in the cavity wells of a microtiter plate. The assembly includes a lid plate having a mount surface, an array of plugs corresponding to the array of wells, and a plurality of posts. Each plug extends below from the mount surface and is insertable into the periphery of a counterpart well for contact with the liquid. The plurality of posts suspends the lid plate above the microtiter plate. Each post optionally passes through an orifice through the mount surface, with each post including an adjustable clamp to support the lid plate. The mount surface optionally includes an array of cavities that correspond in disposition to the array of plugs. Each plug is independently insertable through the mount surface to adjust depth of each plug into its counterpart well. | 08-05-2010 |
20100077320 | SGML/XML to HTML conversion system and method for frame-based viewer - A system and method provides conversion of SGML or XML files to HTML files by component conversion techniques. In one embodiment, the system addresses the conversion of an SGML formatted document, with associated graphic and multimedia for viewing in a plurality of frames produced in a web browser, such as with Java or JavaScript. A parser allows for multi-layered HTML documents comprised of dynamically sizing framesets which combines transformed SGML and external components such as graphics multimedia with executable mini-applications that enable external (to the SGML document domain) referencing of add-on interactive features such as local and global search, bookmarks, and annotation. In a preferred embodiment, a Java or JavaScript executable produces a collapsible/expandable table of contents in one of the frames. | 03-25-2010 |