A technology is described for a Photonic Integrated Circuit radio frequency in- phase quadrature phase ( l/Q) correlator. The PIC RF Correlator can comprise two optical waveguides to receive first and second optical signals that are modulated by first and second RF signals, respectively. Two 1 to M optical splitters can split the first and second RF modulated optical signals. Optical delay lines can delay the M split first RF modulated optical signals. M optical balanced couplers can receive and combine the M first delayed RF modulated optical signals with the M split second RF modulated optical signals. Balanced photodetectors can output a differential integration on the first and second combined RF modulated optical signals for in-phase and quadrature phase signals. A processor can add the outputs of the M optical balanced photodetectors to form a frequency domain correlated signal of the first and second RF signals with real and imaginary parts.
A technology is described for a Photonic Integrated Circuit (PIC) radio frequency (RF) correlator. The PIC RF Correlator can comprise two optical waveguides to receive first and second optical signals that are modulated by first and second RF signals, respectively. Two 1 to M optical splitters can split the first and second RF modulated optical signals. Optical delay lines can delay the M split first RF modulated optical signals. M optical balanced couplers can receive and combine the M first delayed RF modulated optical signals with the M split second RF modulated optical signals. Balanced photodetectors can output a differential integration on the first and second combined RF modulated optical signals. A processor can add the outputs of the M optical balanced photodetectors to form a frequency domain correlated signal of the first and second RF signals.
According to at least one aspect of the present disclosure a method for detecting tunneled or multiplexed flows is provided. The method comprises: receiving an input; responsive to receiving the input, extracting a set of attributes of the input flow; responsive to extracting the set of attributes, reducing the dimensionality of the set of attributes to produce a reduced attribute set; responsive to producing the reduced attribute set, producing an output based on the reduced attribute set and a model; responsive to producing the output, comparing the output to the input to determine an error or loss; and responsive to determining the error or loss, categorizing the input as a multiplexed flow based on a threshold error or loss value.
H04L 43/022 - Capturing of monitoring data by sampling
H04L 43/026 - Capturing of monitoring data using flow identification
H04L 43/028 - Capturing of monitoring data by filtering
H04L 47/2441 - Traffic characterised by specific attributes, e.g. priority or QoS relying on flow classification, e.g. using integrated services [IntServ]
H04L 43/04 - Processing captured monitoring data, e.g. for logfile generation
According to at least one aspect of the present disclosure a method for classifying flows on a network is provided. The method comprises determining a signature of a service's flows, collecting flow data having one or more attributes, responsive to collecting flow data, associating one or more ranges of the flow data with a value, responsive to associating the one or more ranges of the flow data with a value, composing a tensor having a dimensionality of one or more, responsive to composing the tensor, decomposing the tensor into one or more clusters, and responsive to decomposing the tensor into one or more clusters and determining the signature, comparing the signature to the one or more clusters and classifying one or more of the one or more clusters based on the signature.
H04L 43/022 - Capturing of monitoring data by sampling
H04L 43/026 - Capturing of monitoring data using flow identification
H04L 43/028 - Capturing of monitoring data by filtering
H04L 47/2441 - Traffic characterised by specific attributes, e.g. priority or QoS relying on flow classification, e.g. using integrated services [IntServ]
H04L 43/04 - Processing captured monitoring data, e.g. for logfile generation
According to at least one aspect of the present disclosure, a method of managing flows on a network is provided. the method comprises. identifying a first flow on the network; identifying a second flow on the network; responsive to identifying the first flow, determining a priority of the first flow; responsive to identifying the second flow, determining a priority of the second flow; comparing the priority of the first flow to the priority of a second flow to determine which flow has the lower priority; and distributing bandwidth from a flow having lower priority to a flow having higher priority.
A resonator constructed with one or more Van der Waals materials. In some embodiments, a system includes such a resonator. The resonator includes: a capacitor (305); and an inductor, the capacitor including: a first conductive layer (205); an insulating layer (215), on the first conductive layer; and a second conductive layer (220) on the insulating layer, the first conductive layer being composed of one or more layers of a first van der Waals material, the insulating layer being composed of one or more layers of a second van der Waals material, and the second conductive layer being composed of one or more layers of a third van der Waals material.
A rare earth metal extracting bacterial consortium can include an acid secreting bacterium, a heavy metal resistant bacterium, an iron-sequestering molecule secreting bacterium, and a rare earth metal sequestering bacterium. In another example, a composition can include a growth medium and a bacterial consortium growing in the growth medium. The growth medium can include water, magnesium sulfate, manganese chloride, cobalt chloride, calcium chloride, ammonium sulfate, soluble starch, and amino acids. The bacterial consortium can include an acid secreting bacterium, a heavy metal resistant bacterium, an iron-sequestering molecule secreting bacterium, and a rare earth metal sequestering bacterium.
A method of recovering a rare earth metal can include incubating a bacterial consortium in the presence of a rare earth metal source comprising a rare earth metal and iron. The bacterial consortium can include an acid secreting bacterium, a heavy metal resistant bacterium, an iron-sequestering molecule secreting bacterium, and a rare earth metal sequestering bacterium. The method can further include: producing an acid using the acid secreting bacterium; leaching iron and the rare earth metal from the rare earth metal source using the acid; protecting the bacterial consortium from metal using the heavy metal resistant bacterium; sequestering iron using the iron-sequestering molecule secreting bacterium; and sequestering the rare earth metal using the rare earth metal sequestering bacterium.
A method of sending a flow of a plurality of data packets across a data network from a source node to a destination node is provided, the data network including a plurality of links between nodes. The method includes: (a) determining a set of weights, the weights corresponding to respective links of the plurality of links, such that obeying the set of weights during data transmission tends to minimize side channel leakage for the flow; and (b) routing packets of the flow along the plurality of links of the data network according to their respective weights. A corresponding apparatus, system, and computer program product are also provided.
A photonic integrated circuit ("PIC") bandpass filter with polarization diversity comprising a polarization management stage operable to receive a polarization diverse light input and to output an intermediate beam having a uniform polarization, and a filter stage operable to receive the intermediate beam from the polarization management stage, to filter the intermediate beam, and to output a filter output beam. Energy from both an in-plane polarization and an out-of-plane polarization of the polarization diverse light input can thereby be transferred to the filter stage.
G02B 6/12 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
G02B 6/126 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind using polarisation effects
G02B 6/27 - Optical coupling means with polarisation selective and adjusting means
11.
PHOTONIC ISING COMPUTE ENGINE WITH AN OPTICAL PHASED ARRAY
A photonic processor computing engine device can include a photonic integrated circuit including an optical phased array having a plurality of radiating pixels that radiate optical signal beams. Each of the radiating pixels can include an optical antenna and an optical phase modulator. The engine can include an electronic control circuit positioned to receive the optical signal beams transmitted from the radiating pixels. The computing engine can further include an electronic feedback circuit in electrical communication with the focal plane array and the electronic control circuit to process a measured intensity of the optical signal beams received by the focal plane array from the optical phased array and provide a feedback signal to the electronic control circuit based on the measured intensity for recalibrating the optical phase modulators of the plurality of radiating pixels to control the phase of the optical signal beams emitted by the plurality of radiating pixels.
G01S 17/34 - Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
G01S 17/89 - Lidar systems, specially adapted for specific applications for mapping or imaging
G02F 1/29 - 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 modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
12.
PHOTONIC INTEGRATED CIRCUIT WITH A RANDOM SPARSE OPTICAL PHASED ARRAY
A photonic integrated circuit (PIC) is disclosed herein. The PIC can include a substrate, a main optical waveguide supported by the substrate. The main optical waveguide can be in communication with an electromagnetic radiation source, and configured to receive electromagnetic radiation from the electromagnetic radiation source. A first branch optical waveguide can be optically coupled to the main optical waveguide at a first location. An optical phased array (OPA) can include plurality of array elements, each having an optical antenna and an optical phase modulator. At least some array elements within a first subset of the plurality of array elements can be optically coupled to the first branch optical waveguide wherein locations of at least some of the plurality of array elements are aperiodic in one or more directions on the substrate.
G02F 1/29 - 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 modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
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 distribution of energy across a radiating aperture
13.
DROP WEIGHT BUOYANCY SYSTEM FOR UNDERWATER GLIDERS
A pump-less buoyancy engine for an autonomous underwater vehicle (AUV) includes a buoyancy reduction structure (302) without a hydraulic pump for reducing the buoyancy of the AUV to cause the AUV to descend in the water; and a weight dropping structure for dropping prepackaged weights out of the AUV to cause the AUV to ascend in the water, where the AUV moves forward when descending and ascending.
A drone detection, identification and location system and method may illuminate a target with one or multiple selected radio-frequency (RF) carrier frequencies. Both direct emissions received from the target and re-emissions generated by the target may be processed to determine whether the target is a drone. The re-emissions may be generated by circuitry of the target resulting from the illumination with the one or multiple RF carrier frequencies. The re-emissions may comprise cross-modulation products (CMPs) including forced non-linear emissions (FNLEs). The direct emissions and the re-emissions may be processed to generate an RF signature for the target. The target may be determined to be drone and the type of drone may be identified based on the RF signature.
G01S 7/41 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using analysis of echo signal for target characterisation; Target signature; Target cross-section
G01S 13/75 - Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders
G01S 13/24 - Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave
G01S 13/42 - Simultaneous measurement of distance and other coordinates
G01S 13/91 - Radar or analogous systems, specially adapted for specific applications for traffic control
15.
PHOTONIC INTEGRATED CIRCUIT (PIC) RADIO FREQUENCY OSCILLATOR
A technology is described for a Photonic Integrated Circuit (PIC) radio frequency (RF) oscillator. The PIC RF oscillator can comprise an optical gain media coupled to a first mirror and configured to be coupled to the PIC. The PIC can comprise a first optical cavity located within the PIC, a tunable mirror to form a first optical path between the first mirror in the gain media and the first tunable mirror, and a frequency tunable intra-cavity dual tone resonator positioned within the first optical cavity to constrain the first optical cavity having a common optical path to produce tow primary laser tones with a tunable frequency spacing. A photo detector is optically coupled to the PIC and configured to mix the two primary laser tones to form an RF output signal with a frequency selected by the tunable frequency spacing of the two primary tones.
G02F 1/01 - 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 modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
A van der Waals capacitor and a qubit constructed with such a capacitor. In some embodiments, the capacitor includes a first conductive layer; an insulating layer, on the first conductive layer; and a second conductive layer on the insulating layer. The first conductive layer may be composed of one or more layers of a first van der Waals material, the insulating layer may be composed of one or more layers of a second van der Waals material, and the second conductive layer may be composed of one or more layers of a third van der Waals material.
G06N 10/00 - Quantum computing, i.e. information processing based on quantum-mechanical phenomena
H01L 27/18 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components exhibiting superconductivity
H01L 39/22 - Devices comprising a junction of dissimilar materials, e.g. Josephson-effect devices
17.
PARAMETRIC FILTER USING HASH FUNCTIONS WITH IMPROVED TIME AND MEMORY
Method for searching an item using a parametric hash filter includes forming an input vector from input data stream; forming a hash matrix having a first portion and a second portion; multiplying the hash matrix with the input vector to generate a second input vector including a hash values of the first input vector; generating a perfect hash vector and a universal hash vector, by applying a smooth periodic function to the second input vector; mapping onto a Markov random field the coordinates of locations of hash values in a search domain for which there is no possibility of collisions in the perfect hash vector to form an energy function; minimizing the energy function to generate a compressed hash table; fitting a band of acceptable locations in the compressed hash table, based on a predetermined false positive rate; and searching for a new item in the band of acceptable locations.
A tunable oscillator including a Josephson junction. In some embodiments, the tunable oscillator includes a first superconducting terminal, a second superconducting terminal, a graphene channel including a portion of a graphene sheet, and a conductive gate. The first superconducting terminal, the second superconducting terminal, and the graphene channel together may form a Josephson junction having an oscillation frequency, and the conductive gate may be configured, upon application of a voltage across the conductive gate and the graphene channel, to modify the oscillation frequency.
H03B 15/00 - Generation of oscillations using galvano-magnetic devices, e.g. Hall-effect devices, devices using spin transfer effects, devices using giant magnetoresistance, or using super-conductivity effects
19.
LOOP-MEDIATED ISOTHERMAL AMPLIFICATION (LAMP) ANALYSIS FOR PATHOGENIC TARGETS
The present disclosure is drawn to methods of preparing a saliva sample for loop-mediated isothermal amplification (LAMP) detection of a pathogen target. In some embodiments, such methods can include providing an amount of saliva from a test subject, and diluting the saliva in water to a degree that reduces a buffering capacity of the saliva while maintaining a sufficient concentration to allow for detection of the pathogen target.
The present disclosure is drawn to compositions and methods for loop-mediated isothermal amplification (LAMP) analysis utilizing a pH-dependent output signal. The composition can comprise a pH sensitive dye, and a plurality of non-interfering LAMP reagents. The method can comprise providing an assembly of a solid phase medium and a composition, depositing a biological sample onto the solid phase medium, and heating the assembly to an isothermal temperature sufficient to facilitate a LAMP reaction.
C12Q 1/68 - Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
C12Q 1/6806 - Preparing nucleic acids for analysis, e.g. for polymerase chain reaction [PCR] assay
C12Q 1/6848 - Nucleic acid amplification reactions characterised by the means for preventing contamination or increasing the specificity or sensitivity of an amplification reaction
21.
LOOP-MEDIATED ISOTHERMAL AMPLIFICATION (LAMP) ON A SOLID-PHASE MEDIUM
The present disclosure is drawn to loop-mediated isothermal amplification (LAMP) reaction assemblies including a substantially hygroscopic agent free LAMP reagent mixture in combination with a solid-phase reaction medium. The present disclosure also includes systems for a chromatic LAMP analysis including a substantially non-reactive solid phase reaction medium, and a non-interfering reagent mixture. The present disclosure also includes solid phase LAMP reaction mediums comprising a substrate, an adhesive layer disposed on the substrate, a reaction layer disposed on the adhesive layer, and a spreading layer disposed on the reaction layer. The present disclosure also includes methods of testing for a presence of a target nucleotide sequence including providing a biological sample, and dispensing the sample into a test environment having a solid phase reaction medium in combination with a LAMP reagent mixture and a pH sensitive dye.
C12Q 1/6806 - Preparing nucleic acids for analysis, e.g. for polymerase chain reaction [PCR] assay
C12Q 1/6848 - Nucleic acid amplification reactions characterised by the means for preventing contamination or increasing the specificity or sensitivity of an amplification reaction
22.
LOOP-MEDIATED ISOTHERMAL AMPLIFICATION (LAMP) ANALYSIS FOR PATHOGENIC TARGETS
The present disclosure is drawn to compositions, methods, and systems for loop-mediated isothermal amplification (LAMP) analysis on a solid phase medium. The composition can comprise one or more target primers, a DNA polymerase, and a re-solubilization agent. The composition can be substantially free of non-pH sensitive agents capable of discoloring the solid phase medium. The method can comprise providing an assembly of a solid phase medium, depositing a biological sample onto the solid phase medium, and heating the assembly to an isothermal temperature sufficient to facilitate a LAMP reaction. The system can comprise a composition and a solid phase medium on to which the composition is deposited.
The present disclosure is drawn to loop-mediated isothermal amplification (LAMP) reaction assemblies including a substantially hygroscopic agent free LAMP reagent mixture in combination with a solid-phase reaction medium. The present disclosure also includes systems for a chromatic LAMP analysis including a substantially non-reactive solid phase reaction medium, and a non-interfering reagent mixture. The present disclosure also includes solid phase LAMP reaction mediums comprising a substrate, an adhesive layer disposed on the substrate, a reaction layer disposed on the adhesive layer, and a spreading layer disposed on the reaction layer. The present disclosure also includes methods of testing for a presence of a target nucleotide sequence including providing a biological sample, and dispensing the sample into a test environment having a solid phase reaction medium in combination with a LAMP reagent mixture and a pH sensitive dye.
The present disclosure is drawn to loop-mediated isothermal amplification (LAMP) reaction assemblies including a substantially hygroscopic agent free LAMP reagent mixture in combination with a solid-phase reaction medium. The present disclosure also includes systems for a chromatic LAMP analysis including a substantially non-reactive solid phase reaction medium, and a non-interfering reagent mixture. The present disclosure also includes solid phase LAMP reaction mediums comprising a substrate, an adhesive layer disposed on the substrate, a reaction layer disposed on the adhesive layer, and a spreading layer disposed on the reaction layer. The present disclosure also includes methods of testing for a presence of a target nucleotide sequence including providing a biological sample, and dispensing the sample into a test environment having a solid phase reaction medium in combination with a LAMP reagent mixture and a pH sensitive dye.
C12Q 1/6848 - Nucleic acid amplification reactions characterised by the means for preventing contamination or increasing the specificity or sensitivity of an amplification reaction
25.
SYSTEM AND METHOD FOR PERFORMING A COLORIMETRIC TEST
A technology is described for a system for identifying a colorimetric test result from a pathogen test performed on a solid phase substrate. The system can comprise a sensor configured to detect a spectrum of color wavelengths. The system can comprise one or more processors. The one or more processors can be configured to: receive color wavelength data; determine a wavelength threshold for providing a pathogen positive test result; identify whether the color wavelength data meets or exceeds the wavelength threshold for providing a pathogen positive test result; and generate a result indicator indicating either a pathogen positive or pathogen negative test result.
A liquid biological sample test cartridge is disclosed. The cartridge can include a tray. The cartridge can also include a chemical reaction pad supported by the tray. The cartridge can further include a chemical reaction pad cover disposed over the chemical reaction pad and coupled to the tray. The chemical reaction pad cover can have a sample opening to facilitate depositing a liquid biological sample at a predetermined location on the chemical reaction pad. In addition, the cartridge can include an outer cover operable to at least partially form an enclosure about the chemical reaction pad.
A method of generating hydrogen gas includes providing a colony of sulfur-reducing bacteria and a colony of sulfur-oxidizing bacteria. The colonies can be submerged in a body of water. The colony of sulfur-reducing bacteria can be used to convert at least a portion of sulfates present in the body of water to hydrogen sulfide. The colony of sulfur-oxidizing bacteria can be used to convert the hydrogen sulfide to sulfuric acid. The sulfuric acid can react with manganese to produce hydrogen gas and manganese sulfate.
A reservoir computer. In some embodiments, the reservoir computer includes a series array of Josephson junctions, a coupling impedance, and a readout circuit. In some embodiments, the series array of Josephson junctions includes a plurality of Josephson junctions, connected in series; the coupling impedance is connected in parallel with the series array of Josephson junctions; and the readout circuit is connected to at least three nodes of the series array of Josephson junctions.
A technology is described for optical communication. An example of the technology can include receiving an event stream containing indications of independent events detected by pixels in an event camera. An event may be a change in brightness detected by a pixel in the pixel array, and the pixel independently generates an indication of the event in response to detecting the event. The event stream can be demultiplexed into a plurality of communication streams containing related events associated with a plurality of communication sources. The events contained in a communication stream can be aggregated based in part on an event proximity and an event time that associates an event with other events contained in the event stream. The plurality of communication streams can be demodulated to extract optically transmitted information from the plurality of communication streams, which can be sent to a data consumer.
A reservoir computer. In some embodiments, the reservoir computer includes a discrete element transmission line and a readout circuit. The discrete element transmission line may include a plurality of shunt-connected Josephson junctions (105) and a plurality of series- connected inductors (110) connected to the shunt-connected Josephson junctions. The readout circuit is connected to at least three nodes (117) of the discrete element transmission line.
H01L 27/18 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components exhibiting superconductivity
H01L 39/22 - Devices comprising a junction of dissimilar materials, e.g. Josephson-effect devices
G06N 10/00 - Quantum computing, i.e. information processing based on quantum-mechanical phenomena
31.
SYSTEM AND METHOD FOR UNDERWAY AUTONOMOUS REPLENISHMENT OF SHIPS
An autonomous loading/unloading system and method for transferring material includes: a buoy (106) for releasing onto water; a messenger line (108) coupled to the buoy for being pulled; a carrier line loop (110) coupled to the messenger line for being pulled, where a payload (112) is coupled to the carrier loop for transferring the material to or from an unmanned ship; a fetch/release platform (218) to fetch or release the payload from or onto the water; a loading/unloading dock for the payload; a plurality of line guides (212) for guiding the carrier loop; and a platform-to-payload interconnect (306) for autonomous loading or unloading of the material from /to the payload.
B63B 27/32 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for transfer at sea between ships or between ships and off-shore structures using cableways
32.
FAST-NA FOR THREAT DETECTION IN HIGH-THROUGHPUT SEQUENCING
According to an example, a method of analyzing an output of a sequencer is provided comprising identifying genetic targets, obtaining target signature snippets responsive thereto, each target signature snippet derived from a genetic sequence of the genetic targets, receiving portions of a test sequence output by a sequencer sequencing a sample in real time, determining, in real time or near-real time with the sequencer sequencing the sample, whether a target signature snippet of the target signature snippets is in at least one portion of the test sequence, determining, for each genetic target, a probability the genetic target is in the sample based on the determination of whether the target signature snippet is present in the at least one portion of the test sequence, and outputting an analysis of the sample indicating the respective probability that each genetic target is present in the sample.
According to at least one example, a method of filtering signature snippets is provided comprising identifying a group of genetic targets, obtaining a plurality of sets of one or more target signature snippets responsive to identifying the group of genetic targets, each set of one or more target signature snippets corresponding to a respective genetic target of the group of genetic targets and being derived from a genetic sequence of the respective genetic target, filtering the plurality of sets of one or more target signature snippets to identify a set of one or more universal target signature snippets, and outputting the set of one or more universal target signature snippets.
An acoustic vector sensor and a method of detecting an acoustic vector are described. An object suspended in the fluid medium by a non-contact support structure. The object and the non- contact support structure are configured so that the object moves in response to any disturbance of the fluid by an acoustic wave; The non-contact support structure of the object comprises a plurality of solenoids that each produce a magnetic field in a fluid medium. A measurement measures movement of the object. A processing device determines an acoustic intensity vector of the acoustic wave based on the measured movement of the object.
H04R 1/38 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
G01H 11/02 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance
An RF clocked device includes a signal processor operable to receive an RF signal having an RF signal frequency and output a clock signal having a clock frequency based on the RF signal frequency. The RF clocked device includes a clock that operates using the clock signal. The clock can output at least one of a time or a date. A clock system can include an RF clocked device. The RF clocked device includes a signal processor operable to receive an RF signal having an RF signal frequency and output a clock signal having a clock frequency based on the RF signal frequency. The RF clocked device includes a clock operable to receive, and operate, using the clock signal. The clock can output at least one of a time and a date. The clock system can include a client device operable to receive timing information from the RF clocked device.
A photonic integrated circuit comprises a silicon nitride waveguide (110), an electro-optic modulator formed of a Ill-nitride waveguide structure (105) disposed on the silicon nitride waveguide (110), a dielectric cladding (135) covering the silicon nitride waveguide(110) and electro-optic modulator, and electrical contacts (140) disposed on the dielectric cladding (135) and arranged to apply an electric field to the electro-optic modulator.
G02B 6/12 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
37.
SYSTEM AND METHOD FOR CANCELLING STRONG SIGNALS FROM COMBINED WEAK AND STRONG SIGNALS IN COMMUNICATIONS SYSTEMS
A receiver for cancelling strong signals from combined weak and strong signals includes: a first circuitry for inputting a weak and strong signal as an input; a parametric cancellation circuit for inputting a representation of the strong signal and an output of the first circuitry to produce a cancellation signal; a second circuitry electrically coupled to the parametric cancellation circuit for inputting the cancellation signal to produce a modulated output; a demodulator electronically coupled to the second circuitry for demodulating the modulated output to produce a demodulated output and an error signal, where the demodulated output is the data contained in the weak signal; and an adaptation logic circuit for inputting the representation of the strong signal, the demodulated output and the error signal to adaptively produce parameters for the parametric cancellation circuit. The parametric cancellation circuit further inputs the error signal and the parameters to produce the cancellation signal.
A machine accesses a preexisting set of natural language text documents in multiple natural languages. Each natural language text document in at least a portion of the preexisting set is associated with an event. The machine trains, using the preexisting set of natural language text documents and the associated events, an event encoder to learn associations between texts and event annotations. The event encoder leverages a parser in each of the two or more natural languages. The machine generates, using the event encoder, new event annotations for texts. The machine trains, using the preexisting set of natural language text documents and the new event annotations for the texts generated by the event encoder, an event extraction engine to extract events from natural language texts in the two or more natural languages. The event extraction engine leverages the parser in each of the two or more natural languages.
A machine accesses a query in a first natural language. The machine identifies an event corresponding to the query. The machine computes, using a cross-lingual information retrieval module, a ranked list of documents in a second natural language that are related to the event. At least a portion of documents in the ranked list are selected from a collection of documents in the second natural language that are not annotated with events. The cross-lingual information retrieval module is trained using a dataset comprising annotated documents in the first natural language and translations of the annotated documents into the second natural language. Each annotated document is annotated with one or more events. The machine provides an output representing at least a portion of the ranked list of documents in the second natural language. The second natural language is different from the first natural language.
A system for detecting microwave power. In some embodiments, the system includes: a first resonator (220) including a graphene- insulating-superconducting junction (100); a probe signal source (245), coupled to the first resonator; and a probe signal analyzer (270). The probe signal analyzer is configured: to measure a change in amplitude or phase of a probe signal received by the probe signal analyzer from the probe signal source, and to infer, from the change in amplitude or phase, a change in microwave power received by the graphene- insulating-superconducting junction.
An analog tamper-detection apparatus (ATAMP) for onboard analysis of a target device includes a plurality of antennas, each antenna of the plurality of antennas disposed within the target device and being electrically isolated from components of the target device. The ATAMP device further includes radio frequency (RF) front-end (RFFE) transmitter circuitry coupled to the plurality of antennas, the RFFE transmitter circuitry configured to illuminate the target device with a plurality of electromagnetic signals emitted via the plurality of antennas, to generate a plurality of mixed RF signals. The ATAMP device further includes RFFE receiver circuitry configured to receive emissions from the target device based on the mixed RF signals, and processing circuitry configured to perform subsequent analysis and evaluation of the target device based on the received emissions. The processing circuitry further generates a notification of the subsequent analysis and evaluation.
Embodiments regard determining provenance of digital content. A method of determining the provenance of digital content can include receiving, at processing circuitry, edited digital content and data indicating an entity that edited source digital content to generate the edited digital content, the source digital content, and a destination of the edited digital content, generating, by the processing circuitry, additional data detailing an edit history of the edited digital content, the additional data indicating the entity, an edit identification uniquely identifying the additional data in a ledger, the source digital content, and the destination of the edited digital content, and generating a request to cause the additional data to be stored in the ledger, the ledger operable to be queried so that a user can determine an authenticity of the edited digital content based on the additional data of an edit chain returned in response to a query.
H04N 21/254 - Management at additional data server, e.g. shopping server or rights management server
H04L 29/06 - Communication control; Communication processing characterised by a protocol
H04L 9/32 - Arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system
G06F 21/64 - Protecting data integrity, e.g. using checksums, certificates or signatures
43.
SYSTEMS AND METHODS FOR PROVIDING A USER WITH ENHANCED ATTITUDE AWARENESS
Systems and methods for using auditorily-induced vection (AIV) to enhance a person's attitude awareness are provided herein. In at least one embodiment, an auditory object is projected based on the orientation of the person or a vehicle and the projected auditory is provided to the person. By projecting the auditory object, the attitude of the person or the vehicle can be conveyed to the person to enhance the person's attitude awareness.
H04S 7/00 - Indicating arrangements; Control arrangements, e.g. balance control
A61M 21/02 - Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia
A63G 31/16 - Amusement arrangements creating illusions of travel
1xxy1yyN materials, where A1 is Aluminum, Sc is Scandium, Ga is Gallium, and N is Nitrogen and where 0 is less than x and x is less than or equal to 0.45 and 0 is less than or equal to y and y is less than or equal to 1.
1-xxy1-y1-yN materials, where Al is Aluminum, Sc is Scandium, Ga is Gallium, and N is Nitrogen and where 0 is less than x and x is less than or equal to 0.45 and 0 is less than or equal to y and y is less than or equal to 1.
Aspects are generally directed to network security systems and methods of monitoring network activity. In one example, a network security system includes and interface to receive a Hypertext Transfer Protocol (HTTP) network log that includes a matrix of data, a feature extraction component configured to extract a connectivity matrix from the HTTP network log based on a recurring pattern within the matrix of data, and a training module configured to provide deep learning architecture training data based on the connectivity matrix. The system may include a deep learning architecture configured to receive and propagate the training data through one or more layers thereof to train the one or more layers, and being configured to generate a general data representation of the HTTP network log. The system may include a behavior analytics component to detect a discordant network activity within the HTTP network log based on the general data representation.
A sensing system including in-ground sensors not requiring battery power. A thermoelectric generator sensor rod includes an upper thermal contact and a lower thermal contact at or near its two ends. When the thermoelectric generator sensor rod is buried in the ground with one end buried more deeply than the other, a temperature gradient in the soil produces a temperature difference between the upper thermal contact and the lower thermal contact. The upper thermal contact and the lower thermal contact are thermally connected to a thermoelectric generator, e.g., by heat pipes or thermally conductive rods. Electrical power generated by the thermoelectric generator powers sensors for monitoring conditions in the ground, and circuitry for transmitting sensor data to a central data processing system.
H01L 35/30 - SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR - Details thereof operating with Peltier or Seebeck effect only characterised by the heat-exchanging means at the junction
48.
PHOTONIC DEVICE FOR ULTRAVIOLET AND VISIBLE WAVELENGTH RANGE
In one aspect, a photonic device includes a substrate layer comprising magnesium fluoride and an optical guiding layer disposed on the substrate layer. The optical guide layer includes silicon dioxide. The substrate layer and the optical guide layer are transparent at an ultraviolet and visible wavelength range. In another aspect, a method includes oxidizing silicon to form a silicon dioxide layer, bonding the silicon dioxide layer to magnesium fluoride, removing the silicon and performing lithography and etching of the silicon dioxide to form a photonic device.
G02B 6/10 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
G01N 21/77 - Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
G02B 6/122 - Basic optical elements, e.g. light-guiding paths
G02B 6/136 - Integrated optical circuits characterised by the manufacturing method by etching
G02B 6/12 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
49.
OPTICAL ISING-MODEL SOLVER USING QUANTUM ANNEALING
A method implemented by an optical circuit, including beam splitter, phase shifters and cross-phase modulators, for solving Ising-model using quantum annealing discretizes a continuous time-dependent Hamiltonian function over a time period T, into a plurality of smaller portions; implements each of said smaller portions with a non-linear optical medium, and iterates over said smaller portions to output a solution of the Ising Hamiltonian problem, using the optical components.
Optical sensing systems having improved vibration cancelation, and methods of achieving improved vibration cancelation. In one example, an optical sensing system (200) includes an optical sensor (210) configured to produce an unprocessed sensor output signal (215) representative of a response of the optical sensor to at least an optical signature of interest and a local vibration excitation, a reference sensor (220) configured to provide a reference signal responsive (225) to the local vibration excitation, and a controller (260), including an adaptive digital filter (230), coupled to the optical sensor and to the reference sensor, and configured to receive the reference signal and to adjust one or more coefficients of the adaptive digital filter to minimize coherence between a residual signal (255) and the reference signal, the residual signal being a difference between the sensor output signal and a filter output signal (235) from the adaptive digital filter.
G01J 1/02 - Photometry, e.g. photographic exposure meter - Details
G01J 1/42 - Photometry, e.g. photographic exposure meter using electric radiation detectors
G01S 5/16 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
G08B 29/18 - Prevention or correction of operating errors
51.
JOSEPHSON JUNCTION READOUT FOR GRAPHENE-BASED SINGLE PHOTON DETECTOR
A detector for detecting single photons of infrared radiation. A waveguide configured to transmit infrared radiation is arranged to be adjacent a graphene sheet and configured so that evanescent waves from the waveguide overlap the graphene sheet. An infrared photon absorbed by the graphene sheet from the evanescent waves heats the graphene sheet. The graphene sheet is coupled to the weak link of a Josephson junction, and a constant bias current is driven through the Josephson junction, so that an increase in the temperature of the graphene sheet results in a decrease in the critical current of the Josephson junction and a voltage pulse in the voltage across the Josephson junction. The voltage pulse is detected by the pulse detector.
H01L 29/16 - Semiconductor bodies characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic System in uncombined form
G01J 1/42 - Photometry, e.g. photographic exposure meter using electric radiation detectors
An infrared bolometer (124). A waveguide (110) configured to transmit infrared radiation is arranged to be adjacent a graphene sheet (120) and configured so that evanescent waves from the waveguide overlap the graphene sheet. The graphene sheet has two contacts (330) connected to an amplifier, and a power detector connected to the amplifier. Infrared electromagnetic power in the evanescent waves is absorbed in the graphene sheet, heating the graphene sheet. The power of Johnson noise generated at the contacts is proportional to the temperature of the graphene sheet. The Johnson noise is amplified and the power in the Johnson noise is used as a measure of the temperature of the graphene sheet, and of the amount of infrared power propagating in the waveguide.
G01J 5/20 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
H01L 29/16 - Semiconductor bodies characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic System in uncombined form
A detector for detecting single photons of infrared radiation. In one embodiment a waveguide configured to transmit infrared radiation is arranged to be adjacent a graphene sheet and configured so that evanescent waves from the waveguide overlap the graphene sheet. The graphene sheet has two contacts connected to an amplifier, a power detector, and a pulse detector. An infrared photon absorbed by the graphene sheet from the evanescent waves heats the graphene sheet, which increases the Johnson noise generated at the contacts. The Johnson noise is amplified and the absorption of a photon is detected by the power detector and pulse detector.
G01J 5/20 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
G01J 5/24 - Use of specially adapted circuits, e.g. bridge circuits
H01L 29/16 - Semiconductor bodies characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic System in uncombined form
54.
PERFORMANCE OF SERVICES BASED ON POWER CONSUMPTION
Technology for performing services based on power consumption is disclosed. A plurality of power consumption levels can be identified at a service area. The plurality of power consumption levels can be characterized into current power consumption behavior. The current power consumption behavior can be compared to at least one power consumption behavioral model, the power consumption behavioral model including historical power consumption behaviors for the service area. A service can be performed when the current power consumption behavior diverges from the power consumption behavioral model outside of a predefined threshold.
A method for supplying power to detected devices coupled to a conductive backplane includes: supplying a plurality of sensing signals at a plurality of transmit impedance values to the conductive backplane; analyzing a plurality of return signals received from the conductive backplane, the return signals corresponding to the sensing signals; detecting the presence of a sink device coupled to the conductive backplane based on the analyzed return signals; and supplying power from a power supply to the sink device via the conductive backplane after detecting the presence of the sink device.
Methods of processing seismic data using a single triaxial geophone. In certain examples, such a method includes calibrating the single triaxial geophone sensor to determine a position and an orientation relative to a surrounding environment, configuring the single triaxial geophone sensor to receive seismic data from the surrounding environment along three orthogonal axes, measuring, with the single triaxial geophone sensor, a plurality of time series of seismic data from the surrounding environment for the three orthogonal axes, storing, with a computer system coupled to the single triaxial geophone sensor, the time series of seismic data from the surrounding environment for the three orthogonal axes, and processing, with the computer system, the time series of seismic data to identify a plurality of seismic waves of different polarizations.
A reconfigurable aperture (200) includes a plurality of metallic particles (220) confined to a volume (216) extending across an aperture area. The metallic particles are repositioned within the volume to form opaque regions in the aperture area. The opaque regions, and transmissive regions between the opaque regions, can form a reconfigurable zone plate that can change the collimation of a microwave beam via diffraction therethrough. The zone plate can be located a fixed distance away from a microwave source and a detector in a housing, so that for any specified wavelength produced by the microwave source, the zone plate can reconfigure to have a focal length equal to the fixed distance. The reconfigurable zone plate can effectively collimate microwaves produced by the microwave source, can direct the collimated microwaves in a specified direction, can receive microwaves returning along the specified direction, and can focus the received microwaves onto the detector.
H01Q 3/44 - 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 electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
H01Q 15/02 - Refracting or diffracting devices, e.g. lens, prism
H01Q 19/06 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
G01S 7/03 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
58.
INTRA STACK FRAME RANDOMIZATION FOR PROTECTING APPLICATIONS AGAINST CODE INJECTION ATTACK
A method of randomizing locations of variables in a stack includes: identifying a plurality of stack locations corresponding to a plurality of variables; shuffling the stack locations of the variables to produce shuffled stack locations; and updating the stack locations of the variables with the shuffled stack locations.
G06F 21/52 - Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity, buffer overflow or preventing unwanted data erasure
G06F 21/54 - Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity, buffer overflow or preventing unwanted data erasure by adding security routines or objects to programs
According to one aspect, embodiments of the invention provide a node comprising a processor, a memory including a predefined mapping, the predefined mapping correlating network characteristics to related critical thresholds at which a delivery ratio of the node is close to a maximum level and at which a total number of transmissions by the node is close to a minimum number necessary to achieve the delivery ratio, and a component configured to communicate with one-hop neighbors of the node and configured to determine at least one characteristic of a dynamic network based on information received from the one-hop neighbors of the node, wherein, in reference to the predefined mapping, the processor is configured to identify a critical threshold associated with the at least one characteristic of the network and is configured to transmit a first packet to at least one one-hop neighbor based on the critical threshold.
Embodiments of a system and method for generating a shaped cyclic time-domain waveform are generally described herein. In some embodiments, a first transform may be performed on an input symbol vector to generate a transformed input vector in a transform domain. The transformed input symbol vector may be expanded to generate an expanded symbol vector. At least some elements of the expanded symbol vector may be weighted with a weighting vector selected for pulse shaping to generate a weighted symbol vector. A second transform may be performed on the weighted symbol vector to generate an output symbol vector for subsequent processing and transmission. The second transform may be an inverse of the first transform and may comprise a greater number of points than the first transform.
An encoder can convert a stream of data into three or four synchronized 4-PSK signals, for 64-QAM and 256-QAM, respectively. Three or four mixers can combine the three or four synchronized PSK signals with a common local oscillator signal to form three or four respective amplifiable signals, which can all have the same amplitude. One amplifier receives a first of the amplifiable signals and powers one radiator. Two amplifiers both receive a second of amplifiable signals and power two respective radiators. Four amplifiers receive a third of the amplifiable signals and power four respective radiators. The amplifiers can all operate in near or full saturation. Each radiator radiates in one of a plurality of discrete, specified states. The radiated states from the radiators combine through far-field electromagnetic propagation and effectively sum at the receiver to mimic transmission from a single amplifier.
A two-way speech-to-speech (S2S) translation system actively detects a wide variety of common error types and resolves them through user-friendly dialog with the user(s). Examples include features including one or more of detecting out-of-vocabulary (OOV) named entities and terms, sensing ambiguities, homophones, idioms, ill-formed input, etc. and interactive strategies for recovering from such errors. In some examples, different error types are prioritized and systems implementing the approach can include an extensible architecture for implementing these decisions.
A method for secure comparison of encrypted symbols. According to one embodiment, a user may encrypt two symbols, share the encrypted symbols with an untrusted third party that can compute algorithms on these symbols without access the original data or encryption keys such that the result of running the algorithm on the encrypted data can be decrypted to a result which is equivalent to the result of running the algorithm on the original unencrypted data. In one embodiment the untrusted third party may perform a sequence of operations on the encrypted symbols to produce an encrypted result which, when decrypted by a trusted party, indicates whether the two symbols are the same.
A system and method for secure substring search, using fully homomorphic encryption, or somewhat homomorphic encryption. In one embodiment, a first string is homomorphically compared to trial substrings of a second string, each comparison producing a ciphertext containing an encrypted indication of whether the first string matches the trial substrings. These ciphertexts are then combined in a homomorphic logical OR operation to produce a ciphertext which contains an encrypted indication of whether the first string matches any of the trial substrings, i.e., whether the first string is contained in the second string.
An approach to computation of kernel descriptors is accelerated using precomputed tables. In one aspect, a fast algorithm for kernel descriptor computation that takes O(1) operations per pixel in each patch, based on pre-computed kernel values. This speeds up the kernel descriptor features under consideration, to levels that are comparable with D-SIFT and color SIFT, and two orders of magnitude faster than STIP and HoG3D. In some examples, kernel descriptors are applied to extract gradient, flow and texture based features for video analysis. In tests of the approach on a large database of internet videos used in the TRECVID MED 2011 evaluations, the flow based kernel descriptors are up to two orders of magnitude faster than STIP and HoG3D, and also produce significant performance improvements. Further, using features from multiple color planes produces small but consistent gains.
A method for encrypting and storing data on a removable medium includes: obtaining a medium key uniquely associated with the removable medium; encrypting the data using the medium key to generate encrypted data; and writing the encrypted data onto the removable medium.
G06F 21/10 - Protecting distributed programs or content, e.g. vending or licensing of copyrighted material
G06F 21/80 - Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in storage media based on magnetic or optical technology, e.g. disks with sectors
A system for managing encryption keys within a domain includes: a client computer (200) coupled to a cloud key management server (100) over a network (110), the client computer being configured to supply a request for an encryption key, the request including an object identifier of the object (402) associated with the encryption key; and a cloud key management service comprising the cloud key management server, the cloud key management service being configured to: store a plurality of encryption keys in association with a plurality of object identifiers; receive the request from the client computer; identify an encryption key of the stored encryption keys associated with the object identifier of the request; and send the identified encryption key to the client computer in response to the request.
A method for resisting tampering, the method including discovering a plurality of electronic packages for communication, each of the plurality of electronic packages having an associated quantum state table, mapping a plurality of communications paths among the plurality of electronic packages, for each communication path of the plurality of communications paths, making an entry into the quantum state table, negotiating key material for each of the plurality of communications paths, for a plurality of data exchanges along each of the plurality of communications paths generating a key, and encrypting a data exchange on a communications path with the key.
Systems and methods for, among other things, removing sensitive data from a recording. The method, in certain embodiments, includes receiving an audio recording of a call and a text transcription of the audio recording, identifying events which occur during the call by detecting characteristic audio patterns in the audio recording and selected keywords and phrases in the text transcription, determining, from the identified events, a first event which precedes sensitive data in the call and a second event which occurs after sensitive data in the call, determining a portion of the call containing sensitive data with a start time at the first event and an end time at the second event, and removing the portion of the call between the start time and end time from the audio recording.
Embodiments of a near-field communication (NFC) system and method for private near-field communication are generally described herein. In some embodiments, a resonance-coupled channel is masked with a random channel-masking signal. The channel-masking signal may be scaled based on near-field channel conditions. Signals received through the channel may be unmasked with the scaled channel-masking signal to determine data that may have been conveyed by an NFC transmitting device by affecting the impedance of the resonance-coupled channel. In some embodiments, a reference signal may be scrambled with a mask to generate the channel-masking signal. The mask may include at least one of a random symbol mask, an amplitude mask and a phase mask. For additional privacy, the mask may include a random symbol mask and at least one of an amplitude mask and a phase mask.
Described herein are methods of evaluating the expression levels of DNA parts encoding proteins in test circuits. In particular, the methods disclosed herein are useful to evaluate the expression of an output protein regulated by a regulatory protein-genetic element pair.
Embodiments of a non-contiguous spectral-band modulator and method for non-contiguous spectral-band modulation are generally described herein. In some embodiments, an input symbol tuple may be mapped to a sequence of values. Each value of the sequence may represent an instantaneous frequency of a waveform for a signal with a power spectral density that is substantially constrained to the two or more subbands of a non-contiguous spectrum. The values of the se¬ quence of instantaneous frequency values may be accumulated and a phase-sample sequence representing phase samples of a transmit waveform may be generated. An exponentiation may be performed on the phase-sample sequence to generate a constant modulus signal sequence. An output signal sequence is generated that is constrained to a region in the complex plane, such as an annulus, when the signal is in a subband. The output signal sequence may be shaped to con¬ strain spectral energy during transitions between subbands.
A magnetic memory system includes a superconductor circuit and one or more magnetic memory elements to store data. To write data, a driver circuit in the superconductor circuit generates a magnetic signal for transmission over a superconductor link extending between the superconductor circuit and the magnetic memory element. To read data, a sensing circuit in the superconductor circuit monitors a superconductor link extending from sensing circuit to the magnetic memory element. The magnetic memory element can be a spin-transfer type magnetic memory element.
G11C 11/15 - Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
G11C 11/16 - Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
75.
Non-Uniform Per-Packet Priority Marker For Use With Adaptive Protocols
A method, apparatus and computer program product for non-uniform per-packet priority marking for use with adaptive protocols is presented. A packet is received at a first network device, the packet assigned to a priority band. A priority is determined for the packet between a lowest priority of the priority band and a highest priority of the priority band, the priority for the packet selected based on a target distribution of priorities within the priority band, the target distribution comprising a distribution selected to achieve a desired capacity relationship among groups of packets assigned to different priority bands. The selected priority is assigned to the packet.
Systems and methods are disclosed herein for detecting a threat to a computing device (102). The system includes a server (106) and a computing device (102) in communication with the server (106) and configured to browse the Internet (104). The server (106) receives data indicating a configuration parameter of the computing device (102) and executes an emulation of the computing device (102) that replicates the configuration parameter. The server (106) also receives data relating to the computing device's browsing behavior and replicates the browsing behavior on the emulation. Upon detecting an undesired modification to the emulation of the computing device (102) caused by the replicated browsing behavior, the server (106) automatically generates and outputs an alert related to the undesired modification and related browsing behavior.
An unsupervised boosting strategy is applied to refining automatic word alignment. In some examples, the strategy improves the quality of automatic word alignment, for example for resource poor language pairs, thus improving Statistical Machine Translation (SMT) performance.
An optical receiver may include a unitary transformation operator to receive an n-symbol optical codeword associated with a codebook, and to perform a unitary transformation on the received optical codeword to generate a transformed optical codeword, where the unitary transformation is based on the codebook. The optical receiver may further include n optical detectors, where a particular one of the n optical detectors is to detect a particular optical symbol of the transformed optical codeword, and to determine whether the particular optical symbol corresponds to a first optical symbol or a second optical symbol. The optical receiver may also include a decoder to construct a codeword based on the determinations, and to decode the constructed codeword into a message using the codebook. The optical receiver may attain superadditive capacity, and, with an optimal code, may attain the Holevo limit to reliable communication data rates.
H04B 10/30 - Transmission systems employing beams of corpuscular radiation (arrangements for handling beams of corpuscular radiation, e.g. focusing, moderating, G21K 1/00)
The systems (100) and methods of the invention modulate atmospheric gases to temporarily increase the amount of atmospheric particles in the path of the debris, in order to decelerate the debris (102) and accelerate natural orbital decay to the point of atmospheric re-entry. In one aspect of the invention, clearing the space debris includes propelling a plume (108) of atmospheric gases substantially orthogonal to the path of the debris such that the debris collides with the gaseous plume as it passes through the plume. Increased atmospheric drag from the gaseous particles of the plume in the path of the debris obstructs a forward propagation of the debris and gradually decelerates the debris, leading eventually to atmospheric recapture. Embodiments of the invention can be employed in any number of applications, including without limitation, clearing debris in the low- earth orbit (LEO) which is particularly susceptible to debris build-up, de-orbiting non-refuse payloads from orbits, and clearing debris from geosynchronous orbits.
A detection system including a receiver, a transmitter, and a processor for stealthy target detection or optical communications is described. Optical communications may be spread spectrum encoded communications over a bright background communication channel. The transmitter includes a quantum frequency entanglement source for outputting a signal beam and an idler beam, and transmission optics for directing the signal beam towards a remote surface. Photons in the idler beam are quantum-mechanically entangled in frequency with photons the signal beam. The transmitter includes a first spectrometer for measuring a frequency band associated with photons in the idler beam. The receiver includes a second spectrometer for identifying the frequency band associated with the photons in the received return beam. The system includes a processor configured to process the output of the spectrometers to determine the presence of a target in a target region or a message encoded in the received return beam.
The systems and methods described herein provide military personnel with a swift and accurate means to return fire at a detected shooter. In particular, the systems and methods described herein relate to an indicator for a weapon sight. In some embodiments, the indicator is electromechanical. In some embodiments, the indicator is configured to be moveable such that when the weapon sight is aligned with the indicator, the weapon points in the direction of the detected shooter. In some embodiments, the indicator is attached to the weapon itself, while in other embodiments, the indicator is attached to the weapon mount. The weapon may be located on a ground vehicle, aircraft, or may be portable. In some embodiments, the system includes a processor configured to receive a shooter's location, determine the position of the indicator based on the received shooter location, and control the indicator to move into the determined position. In some embodiments, the system may provide the location of more than one shooter to military personnel and the location of the second shooter may be provided in the form of an aural or visual signal.
A method and apparatus for providing battery optimization and protection in a low power energy environment is presented. A current configuration of a battery module including a plurality of a particular type of battery is determined. A voltage level of the battery module is detected. A determination is made whether the current configuration of the battery module is a preferred configuration for the particular type of batteries of the battery module. When the determination is that the current configuration of the battery module is not the preferred configuration for the particular type of batteries of the battery module, then the battery module is reconfigured to a preferred configuration for the particular type of batteries of the battery module.
H02H 3/00 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection
83.
TAMPER DETECTOR WITH ACCELEROMETER FOR A SENSOR AND ASSOCIATED METHOD
Embodiments disclosed herein include a sensor device that monitors external activity and that includes functionality to detect tampering of the device itself. When monitoring for tampering, a power switch is disabled. Techniques include detecting relative movement of the sensor device, reporting tampering activity, and executing tamper detection responses. Responses can include tracking geographical movement and/or subsequent tampering activity to assist in recovery of a transported device. Responses can also include adjusting power consumption such as by modifying sensing functionality of the sensor device. Techniques include use of an accelerometer that can be positioned in the sensor device to detect relative movement. Once relative movement meets a predetermined threshold indicating device tampering, the sensor device transmits a notification of such tampering, via a network, or in response to a query from an authorized peer device.
Techniques disclosed herein include systems and methods for accurately scheduling radar and radio events against each other. Specifically, a scheduling manager can schedule radar events based on scheduled radio events (wireless network communication events). A given radio schedule for a compact radar sensor can be a relatively complicated schedule, especially when the compact radar sensor operates as part of an ad hoc network. In certain embodiments, the scheduling manager identifies a radio transmission schedule of neighboring radar nodes or compact radar sensor units. Such a radio transmission schedule of neighboring nodes can include information on when neighboring nodes will be receiving or transmitting data. The scheduling manager then schedules radar events to be executed by the radar device at available times, or at times that do not overlap with scheduled radio events.
This invention provides satellite communication systems and methods that employ a satellite in MIMO communication with a geographically-distributed array of ground nodes. In an embodiment, the satellite communication system includes a MIMO satellite configured to receive first information at a higher bandwidth, process the first information into lower bandwidth signals, and relay the lower bandwidth signals using a satellite communication link. The geographically-separated ground nodes receive the lower bandwidth signals and transmit terrestrial signals using high-speed communication links. A central processing node receives the terrestrial signals over the high-speed communication links and combines the terrestrial signals to obtain the higher data rate signals.
The systems and methods described herein relate to an airborne shooter detection system having a plurality of sensors coupled to the body of an aircraft such as a helicopter. The system includes at least five sensors configured and arranged to disambiguate the location of a shooter. By measuring the arrival times of the Shockwaves of projectiles at each of the sensors and determining the differences in the arrival times among sensors, the systems and methods may determine the location of one or more sources of the projectiles. A distance of at least ten meters separates two or more of the sensors. Such a separation is advantageous because it allows the system to disambiguate multiple shooters by resolving the curvature of the Shockwave.
G01S 3/808 - Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
patents
