Patents Assigned to Raytheon BBN Technologies Corp.
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Patent number: 11959271Abstract: A building structure comprising a first film and a second film. The first film and the second film are each impregnated with L-Dopa. The building structure further includes regolith bulk material between the first film and the second film.Type: GrantFiled: March 17, 2022Date of Patent: April 16, 2024Assignee: RAYTHEON BBN TECHNOLOGIES CORP.Inventors: Michael D. Brown, Helen G. Scott, Miles T. Rogers, Benjamin J. Rosenthal, Michael J. Nicoletti, James J. Stusse
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Patent number: 11909442Abstract: A technology is described for a Photonic Integrated Circuit (PIC) radio frequency (RF) in-phase quadrature phase (I/O) 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.Type: GrantFiled: June 18, 2022Date of Patent: February 20, 2024Assignee: Raytheon BBN Technologies, Corp.Inventors: Moe D. Soltani, Ken Dinndorf
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Patent number: 11888520Abstract: 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.Type: GrantFiled: June 18, 2022Date of Patent: January 30, 2024Assignee: Raytheon BBN Technologies, Corp.Inventors: Moe D. Soltani, Ken Dinndorf
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Patent number: 11889311Abstract: Embodiments of a radio-frequency (RF) repeater configured for semantic-less retransmissions are described herein. The RF repeater performs physical (PHY) layer processing to identify one or more PHY layer features of a received RF signal. The RF repeater may determine whether or not to retransmit the received RF signal based on the one or more PHY features. The determination to retransmit the received RF signal may be based solely on PHY parameters enabling semantic-less retransmissions.Type: GrantFiled: November 30, 2021Date of Patent: January 30, 2024Assignee: Raytheon BBN Technologies Corp.Inventors: Colin Fumito Funai, Laura Jane Poplawski Ma
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Patent number: 11860034Abstract: A technology is described for hyperspectral imaging. An example of the technology can include receiving an event stream of events from an event camera coupled to an interferometer. The event camera can receive light output from the interferometer and generate the event stream, comprising event data that corresponds to the light output. The events in the event stream can indicate a pixel that detected an event, a time of the event, and a polarity of change in brightness detected by the pixel. Spectral data can be generated for the events in the event stream using a demodulation and frequency transform to convert temporospatial aggregates of events in the event stream to frequency domain data that corresponds to an optical spectrum. A hyperspectral image of an input scene in a spectral range can be generated using the spectral data.Type: GrantFiled: April 16, 2021Date of Patent: January 2, 2024Assignee: Raytheon BBN Technologies, Corp.Inventor: Scott Ritter
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Publication number: 20230413117Abstract: 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 the 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.Type: ApplicationFiled: February 21, 2023Publication date: December 21, 2023Applicants: Raytheon BBN Technologies Corp., Raytheon BBN Technologies Corp.Inventors: Armando L. Caro, Jr., Aaron Mark Helsinger, Timothy Upthegrove, Mark Keaton
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Patent number: 11843879Abstract: A technology is described for pixel frequency filtering for event cameras. An example of the technology can include receiving events representative of changes in brightness detected by a pixel in a pixel array included in the event camera, tracking a number of event sign transitions that occur within a defined time window, determining that the number of event transitions corresponds to an event transition frequency, and allowing the events generated by the pixel to be output from the event camera.Type: GrantFiled: December 15, 2021Date of Patent: December 12, 2023Assignee: Raytheon BBN Technologies, Corp.Inventor: Scott Ritter
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Patent number: 11831669Abstract: Techniques for evaluating cyber assets are disclosed. A system obtains, from data sources in an experimental environment, raw data generated in response to execution of a cyber asset. The system generates, from the raw data, at least one instance model corresponding to the data sources. The at least one instance model includes instances of concepts represented in a cyber impact ontology.Type: GrantFiled: November 22, 2019Date of Patent: November 28, 2023Assignee: Raytheon BBN Technologies Corp.Inventors: Michael Hassan Atighetchi, Stephane Yannick Blais, Katarzyna Lucja Olejnik
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Patent number: 11831657Abstract: Techniques for enforcing trust policies for payload data transmitted through a data provisioning layer include: receiving, by a node in the data provisioning layer, payload data to be delivered to a recipient; obtaining, by the node, a trust policy indicating multiple attributes used to determine trustworthiness of payloads; determining, by the node, a set of values of the attributes associated with the payload data; generating, by the node, a trustworthiness opinion based at least on the trust policy and the set of values of the attributes; transmitting, by the node, the payload data and the trustworthiness opinion via the data provisioning layer toward the recipient; computing, by the recipient, a trustworthiness metric associated with the payload data based at least on the trustworthiness opinion; and determining, by the recipient, an action to take with respect to the payload data based at least on the trustworthiness metric.Type: GrantFiled: December 10, 2021Date of Patent: November 28, 2023Assignee: Raytheon BBN Technologies Corp.Inventors: William Timothy Strayer, Brandon Doherty Kalashian, Michael Hassan Atighetchi, Stephane Yannick Blais, Samuel Cunningham Nelson
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Patent number: 11804949Abstract: Techniques for subscriber revocation in a publish-subscribe network using attribute-based encryption (ABE) are disclosed, including: generating a tree data structure including leaf nodes representing subscribers, subtrees of the tree data structure representing subsets of subscribers having different likelihoods of ABE key revocation; generating ABE keys associated with edges in the tree data structure; assigning ABE keys to the leaf nodes, each leaf node being assigned a subset of the ABE keys associated with edges that form a path from a root node to the leaf node; based at least on a revocation record that indicates one or more revoked subscribers, determining a minimal subset of ABE keys that covers all non-revoked subscribers; and encrypting a payload using an encryption policy requiring at least one ABE key in the minimal subset of the ABE keys, to obtain a ciphertext that is not accessible to the one or more revoked subscribers.Type: GrantFiled: March 19, 2021Date of Patent: October 31, 2023Assignee: Raytheon BBN Technologies Corp.Inventors: Joud Khoury, Samuel Cunningham Nelson, William Timothy Strayer
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Publication number: 20230333316Abstract: Photonic devices including a distributed Bragg reflector (DBR) having a stack of Group III-Nitride layers and Aluminum Scandium Nitride layers.Type: ApplicationFiled: June 22, 2023Publication date: October 19, 2023Applicants: Raytheon BBN Technologies Corp., Raytheon CompanyInventors: Mohammad Soltani, Eduardo M. Chumbes
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Patent number: 11754865Abstract: A photonic integrated circuit comprises a silicon nitride waveguide, an electro-optic modulator formed of a III-nitride waveguide structure disposed on the silicon nitride waveguide, a dielectric cladding covering the silicon nitride waveguide and electro-optic modulator, and electrical contacts disposed on the dielectric cladding and arranged to apply an electric field to the electro-optic modulator.Type: GrantFiled: November 20, 2020Date of Patent: September 12, 2023Assignee: Raytheon BBN Technologies Corp.Inventors: Moe Soltani, Thomas Kazior
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Patent number: 11747704Abstract: An electro-optical modulator assembly including a transistor including a gate, a drain, and a source disposed on a substrate, a photonic modulator including a first waveguide structure positioned between a first electrode and a second electrode, the photonic modulator being integrated with the transistor on the substrate, and a metal connection coupled between the drain of the transistor and one of the first and second electrodes of the photonic modulator.Type: GrantFiled: April 28, 2022Date of Patent: September 5, 2023Assignee: Raytheon BBN Technologies Corp.Inventors: Moe Soltani, Jeffrey Laroche, Thomas Kazior
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Patent number: 11726258Abstract: Photonic devices having a photonic waveguiding layer, and a cladding layer, disposed on the photonic waveguiding layer, and where the cladding section is a material comprising Scandium. The cladding layer may include a material comprising Al1-xScxN material where 0<x?0.45.Type: GrantFiled: January 20, 2022Date of Patent: August 15, 2023Assignees: Raytheon BBN Technologies Corp., Raytheon CompanyInventors: Mohammad Soltani, Eduardo M. Chumbes
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Patent number: 11721095Abstract: A method for classifying images of oligolayer exfoliation attempts. In some embodiments, the method includes forming a micrograph of a surface, and classifying the micrograph into one of a plurality of categories. The categories may include a first category, consisting of micrographs including at least one oligolayer flake, and a second category, consisting of micrographs including no oligolayer flakes, the classifying comprising classifying the micrograph with a neural network.Type: GrantFiled: November 22, 2022Date of Patent: August 8, 2023Assignee: RAYTHEON BBN TECHNOLOGIES CORP.Inventors: Kin Chung Fong, Man-Hung Siu, Zhuolin Jiang
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Patent number: 11709314Abstract: Photonic devices having a quantum well structure that includes a Group III-N material, and a Al1-xScxN cladding layer disposed on the quantum well structure, where 0<x?0.45, the Al1-xScxN cladding layer having a lower refractive index than the index of refraction of the quantum well structure.Type: GrantFiled: January 20, 2022Date of Patent: July 25, 2023Assignees: Raytheon BBN Technologies Corp., Raytheon CompanyInventors: Mohammad Soltani, Eduardo M. Chumbes
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Patent number: 11711103Abstract: 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.Type: GrantFiled: March 16, 2022Date of Patent: July 25, 2023Assignee: RAYTHEON BBN TECHNOLOGIES CORP.Inventor: Neil Judell
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Patent number: 11703637Abstract: A Group III-Nitride quantum well laser including a distributed Bragg reflector (DBR). In some embodiments, the DBR includes Scandium. In some embodiments, the DBR includes Al1-xScxN, which may have 0<x?0.45.Type: GrantFiled: January 20, 2022Date of Patent: July 18, 2023Assignees: Raytheon BBN Technologies Corp., Raytheon CompanyInventors: Mohammad Soltani, Eduardo M. Chumbes
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Patent number: 11698433Abstract: 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.Type: GrantFiled: August 4, 2022Date of Patent: July 11, 2023Assignee: Raytheon BBN Technologies Corp.Inventor: Jameson John Collins
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Publication number: 20230169673Abstract: An optical circuit for estimating separation distances between N image sources includes an aperture for receiving N light beams and producing a point spread function specific to a symmetry of the image sources from the plurality of light beams; first optical phase shifters to shift the quantum state modes of (N-1) light beams by ?NN; first beamsplitters, each for mixing respective pairs of quantum state modes of outputs of the first optical phase shifters for a quantum superposition of the respective pairs of the quantum state modes; second beamsplitters, each for mixing respective outputs of the first beamsplitters alternatively; second phase shifters to further shift outputs of the second beamsplitters; N detectors for converting each of the received N light beams to an analog signal; and a signal processing circuit for performing signal processing on the analog signals to estimate the separation distances.Type: ApplicationFiled: May 27, 2022Publication date: June 1, 2023Applicant: RAYTHEON BBN TECHNOLOGIES, CORP.Inventor: Hari Kiran Krovi