Patents Assigned to The Charles Stark Draper Laboratory
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DETECTING INJECTION OF FAULTS IN PROGRAM COUNTERS ALTERING EXECUTION OF BASIC BLOCKS OF INSTRUCTIONS
Publication number: 20250147834Abstract: Presented herein are systems and methods of detecting faults in executing blocks of instructions. A processor coupled with memory can identify, from execution of a plurality of instructions of a block, an instruction associated with a program counter during execution of the block. Each instruction of the plurality of instructions can be assigned to one of a first plurality of tags. The first plurality of tags can be ordered in a pre-determined sequence for the block. The processor can compare a first tag of the first plurality of tags in the pre-determined sequence for the block with a second tag of a second plurality of tags assigned to the instruction associated with the program counter. The processor can detect, responsive to the first tag not matching the second tag, a fault with the program counter in the execution of the block.Type: ApplicationFiled: November 7, 2024Publication date: May 8, 2025Applicant: The Charles Stark Draper Laboratory, Inc.Inventor: Silviu Chiricescu -
Publication number: 20250127510Abstract: A micro-structured mechanical adhesive that can be used as an alternative for suturing is provided. The micro-structured mechanical adhesive includes a base section having a first side and a second side and a plurality of microstructures extending from the first side of the base section. Characteristically, each microstructure includes a preferential failure notch that biases the microstructure to preferentially yield or buckle in a predetermined direction. Advantageously, the micro-structured mechanical adhesive is configured to provide attachment to biological tissue.Type: ApplicationFiled: October 22, 2024Publication date: April 24, 2025Applicant: The Charles Stark Draper Laboratory, Inc.Inventors: Daniel Frederick KING, Corin WILLIAMS, David J. CARTER, Joseph URBAN, Beau LANDIS
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Publication number: 20250123105Abstract: A navigation system includes a star camera having a field of view. The star camera includes a sun shields that selectively block portions of the star camera's field of view, to prevent unwanted light, such as light from the sun or moon, reaching image sensors of the star cameras. Some sun shields include x-y stages or r-? stages to selectively position a light blocker to block the unwanted light. Some sun shields use positionable partially overlapping orthogonally polarized filters to block the unwanted light. Some sun shields use counter-wound spiral windows that are selectively rotated to block the unwanted light. Some sun shields a curved surface that defines a plurality of apertures fitted with individual mechanical or electronic shutters.Type: ApplicationFiled: August 6, 2024Publication date: April 17, 2025Applicant: The Charles Stark Draper Laboratory, Inc.Inventors: Robin Mark Adrian Dawson, Juha-Pekka J. Laine, Benjamin F. Lane, Murali V. Chaparala, Charles F. Arant, Matthew T. Jamula
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Publication number: 20250125267Abstract: Semiconductor device including semiconductor substrate having frontside and backside, at least one semiconductor die fabricated in frontside, wherein each of at least one semiconductor die comprises at least one semiconductor feature, wherein each at least one semiconductor die has a tensile strength, and wherein semiconductor substrate comprises at least one etching in backside thereof under at least one semiconductor feature of each at least one semiconductor die to reduce tensile strength of each at least one semiconductor die, first insulating material deposited on backside and partially in at least one etching, conductive material deposited on first insulating material and partially in at least one etching, wherein conductive material does not interfere with functionality of at least one semiconductor feature, second insulating material deposited on conductive material and partially in at least one etching, wherein second insulating material prevents migration of conductive material, and cap material attType: ApplicationFiled: August 16, 2024Publication date: April 17, 2025Applicant: The Charles Stark Draper Laboratory, Inc.Inventors: Richard MORRISON, William A. ROY, Kurt WIGHT, Tirunelveli S. SRIRAM
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Patent number: 12270632Abstract: A tail for a projectile includes a body having a longitudinal axis. A steering assembly is secured to the body. The steering assembly includes a flap movable from a first position in which the flap does not extend radially beyond the body to a second position in which the flap extends radially beyond the body and at an angle relative to the longitudinal axis, and a flap release mechanism. A projectile including a tail according to the present disclosure is also provided.Type: GrantFiled: June 5, 2023Date of Patent: April 8, 2025Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Glenn Richard Thoren, William Whitcomb McFarland, Rebecca Ann DeFronzo, Stephen Louis Bellio, Jesse M. Carr, Jeffery Brandon DeLisio, Gregory M. Fritz, Sean George
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Publication number: 20250112366Abstract: An annular antenna system comprises a first ring assembly having a first shorting wall and a second ring assembly having a second shorting wall. The second ring assembly is arranged substantially parallel to the first ring assembly. The annular antenna system further comprises four RF ports on a top surface of the first annular conductor at ninety-degree intervals. Each of the RF ports has a housing electrically connected to the first annular conductor and a center conductor electrically connected to the second annular conductor. Each RF port is configured to receive and apply an RF signal to the first ring assembly. The first ring assembly comprises first and second annular conductors, and the first shorting wall electrically couples the first and second annular conductors. The second ring assembly comprises a third and fourth annular conductors, and the second shorting wall electrically couples the third and fourth annular conductors.Type: ApplicationFiled: October 2, 2024Publication date: April 3, 2025Applicant: The Charles Stark Draper Laboratory, Inc.Inventors: Tom BUCKLAEW, Jacob P. TREADWAY, George J. GILLESPIE
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Patent number: 12265077Abstract: A method for separating particles in a biofluid includes pretreating the biofluid by introducing an additive, flowing the pretreated biofluid through a microfluidic separation channel, and applying acoustic energy to the microfluidic separation channel. A system for microfluidic separation, capable of separating target particles from non-target particles in a biofluid includes at least one microfluidic separation channel, a source of biofluid, a source of additive, and at least one acoustic transducer coupled to the microfluidic separation channel. A kit for microfluidic particle separation includes a microfluidic separation channel connected to an acoustic transducer, a source of an additive, and instructions for use.Type: GrantFiled: October 23, 2019Date of Patent: April 1, 2025Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Jason O. Fiering, Kenneth T. Kotz
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Patent number: 12247190Abstract: The methods and systems described herein provide a cell culture platform with an array of tissue modeling environments and dynamic control of fluid flow. The cell culture platform includes an array of wells that are fluidically coupled by microchannel structures. The dynamically controlled flow of fluid interacts with cells grown within the microchannels.Type: GrantFiled: April 26, 2021Date of Patent: March 11, 2025Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Jonathan R. Coppeta, Joseph L Charest, Else M. Vedula, Jeffrey T. Borenstein, Abigail June Spencer, Brett C. Isenberg
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Publication number: 20250073987Abstract: Radio frequency (RF) tunable materials which are readily compatible with additive manufacturing techniques, such as 3D printing technologies, are provided. RF tunable materials are used to form an RF device that operates over a wide range of frequencies. The RF device is formed by interpenetrating structures of one or more composite materials. One or more curing methods are applied to the structures. The composite materials include performance materials and are be used to fabricate RF devices including RF antennas, RF horn antennas, graded index devices.Type: ApplicationFiled: September 6, 2024Publication date: March 6, 2025Applicant: The Charles Stark Draper Laboratory, Inc.Inventor: Katharine Wanda OLESKE
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Patent number: 12239808Abstract: The present solution provides systems and methods for trans-round window membrane drug delivery. As an overview, a system can include a micropump that is connected to a flexible cannula. The cannula can be threaded through a handpiece that can be used to pierce the round window membrane of a patient. Using the handpiece, the cannula can be inserted through the round window membrane to improve the distribution of the delivered drug throughout the inner ear. The present solution can function as a small implantable or wearable device that can be used for both chronic and acute trans-round window membrane drug delivery. With this configuration, the micropump can constantly or intermittently deliver, over a period of days to months, small volumes of drugs from an internal reservoir.Type: GrantFiled: November 20, 2020Date of Patent: March 4, 2025Assignee: Charles Stark Draper Laboratory, Inc.Inventors: Vishal Tandon, Ernest Kim, Jeffrey Borenstein
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Patent number: 12235368Abstract: A distributed navigation system includes navigation platforms, each having a universal navigation processor, relative navigation systems to provide source information to the navigation platforms, navigation filters provided on one or more of the universal navigation processors, and an anchor navigation node disposed on one or more of the navigation platforms to form one or more anchor navigation platforms. Each anchor navigation node includes an inertial navigation system, a clock, and absolute navigation systems, which are used, in combination with source information, to determine navigation information. The anchor navigation platforms provide the navigation information to other navigation platforms.Type: GrantFiled: August 23, 2023Date of Patent: February 25, 2025Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Juha-Pekka J. Laine, Benjamin F. Lane, William W. Whitacre, Robin Mark Adrian Dawson, Joseph M. Kinast, Cort Nolan Johnson, Gregory P. Blasche, Michael A. Aucoin, Jeffrey D. Jungemann, Peter A. Lewis, Stephen P. Smith
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Patent number: 12227775Abstract: Described herein are genetically engineered template-independent DNA polymerases, specifically terminal deoxynucleotidyl transferases, and methods of using these polymerases to control DNA synthesis by adding a single nucleotide (mononucleotide) at a time to the 3? end of a growing single-stranded DNA polynucleotide.Type: GrantFiled: May 22, 2018Date of Patent: February 18, 2025Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Andrew P. Magyar, Peter Cavanagh, Miles Rogers, Kirsty A. McFarland, Melissa M. Sprachman, Amanda Nicole Billings-Siuti, Nicole E. Raustad
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Publication number: 20250050340Abstract: A microfluidic device for modeling a tumor-immune microenvironment can include a multiwell plate defining a plurality of microenvironment units fluidically coupled with a plurality of wells. Each microenvironment unit of the plurality of microenvironment units can include one or more compartments. Each microenvironment unit can include a trapping feature positioned within the one or more compartments. The trapping feature can be defined by a portion of at least one of a sidewall or a floor of the one or more compartments. The trapping feature can restrict movement of a tissue sample introduced into the one or more compartments and to allow fluid to flow past the tissue sample. The microfluidic device can include a plurality of micropumps each coupled with a respective well and configured to control movement of a respective fluid sample through each respective well.Type: ApplicationFiled: October 29, 2024Publication date: February 13, 2025Applicant: The Charles Stark Draper Laboratory Inc.Inventors: Jeffrey Borenstein, Nathan Moore, Daniel Doty, Timothy Haggerty, Joseph Charest, Alla Gimbel, Vienna Mott, Brett Isenberg, Hesham Azizgolshani, Brian Cain, Mark Mescher
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Publication number: 20250044097Abstract: Navigation with light refraction or dispersion and landmark data is provided. A system can include a data processing system. The data processing system can receive a first image of a surface of a planet from a first camera. The data processing system can generate a first position dataset based on the first image and data representing landmarks of the surface of the planet. The data processing system can receive, by a second camera oriented towards an atmosphere of the planet, a second image. The data processing can generate, via a celestial body catalog, a second position dataset based at least in part on an amount of refraction or dispersion of light of a celestial body in a second image. The data processing system can determine, based on a filter applied to the first position dataset and the second position dataset, a position and attitude of a vehicle.Type: ApplicationFiled: July 31, 2024Publication date: February 6, 2025Applicant: The Charles Stark Draper Laboratory, Inc.Inventors: Juha-Pekka J. Laine, Avinash Agrawal, Lucas D. Benney, Gregory Blasche, Matthew T. Jamula, Charles Anthony McPherson, Dorothy C. Poppe, Stephen P. Smith
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Publication number: 20250048550Abstract: A textile conductor and a method of making the same including a textile thread, an electrical bus within the textile thread, wherein the electrical bus includes at least one top electrically conductive pad, at least one bottom electrically conductive pad, and a plurality of rows of a plurality of electrically conductive traces A dielectric material is positioned between the at least one of the at least one top electrically conductive pad, the plurality of rows of the plurality of electrically conductive traces, and the at least one bottom electrically conductive pad. At least one electrically conductive via connects at least one of the at least one top electrically conductive pad and the at least one bottom electrically conductive pad to at least one of the plurality of electrically conductive traces in at least one of the plurality of rows of the plurality of electrically conductive traces.Type: ApplicationFiled: July 30, 2024Publication date: February 6, 2025Applicant: The Charles Stark Draper Laboratory, Inc.Inventor: William A. ROY
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Publication number: 20250038132Abstract: A system may include an integrated circuit (IC) package. The IC package may include one or more IC die hosting one or more circuits, and an interposer. The interposer may be coupled to the one or more IC die via an interconnection layer. The interposer may include one or more electrically active devices configured to provide one or more security functions to secure the one or more circuits. The interposer may be coupled to a backside power of the IC package. In some embodiments, the backside power of the IC package may include one or more backside power delivery networks.Type: ApplicationFiled: July 28, 2023Publication date: January 30, 2025Applicant: The Charles Stark Draper Laboratory, Inc.Inventor: Douglas La Tulipe
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Patent number: 12163787Abstract: A tuning fork sensor system places a controlled bias on the proof-mass drive-axis electrodes to cancel the quadrature charge. Also, its charge amplifiers employ a field-effect transistor biased slightly into the triode region so that it behaves as a very large value resistor. In addition, it uses a phase-locked loop having a special loop filter in order to optimize performance by rejecting off-frequency drive feedthrough to the motor pick-off while resulting in very low phase wander for the demodulation references.Type: GrantFiled: December 16, 2022Date of Patent: December 10, 2024Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Paul A. Ward, Richard D. Elliott, III, Daniel Joseph Guyon
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Patent number: 12159143Abstract: A system and method of processing instructions may comprise an application processing domain (APD) and a metadata processing domain (MTD). The APD may comprise an application processor executing instructions and providing related information to the MTD. The MTD may comprise a tag processing unit (TPU) having a cache of policy-based rules enforced by the MTD. The TPU may determine, based on policies being enforced and metadata tags and operands associated with the instructions, that the instructions are allowed to execute (i.e., are valid). The TPU may write, if the instructions are valid, the metadata tags to a queue. The queue may (i) receive operation output information from the application processing domain, (ii) receive, from the TPU, the metadata tags, (iii) output, responsive to receiving the metadata tags, resulting information indicative of the operation output information and the metadata tags; and (iv) permit the resulting information to be written to memory.Type: GrantFiled: July 21, 2023Date of Patent: December 3, 2024Assignee: The Charles Stark Draper LaboratoryInventors: Steve E. Milburn, Eli Boling, Andre DeHon, Andrew B. Sutherland, Gregory T. Sullivan
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Patent number: 12139697Abstract: A device for treatment of cells with particles is disclosed. The device includes a semi-permeable membrane positioned between two plates, the first plate defining a first flow chamber and comprising a port, a flow channel, a transverse port, and a transverse flow channel, the first flow chamber constructed and arranged to deliver fluid in a transverse direction along the first side of the semi-permeable membrane, the second plate defining a second flow chamber and comprising a port. A method for transducing cells is disclosed. The method includes introducing a fluid with cells and viral particles into a flow chamber adjacent a semi-permeable membrane such that the cells and the viral particles are substantially evenly distributed on the semi-permeable membrane. The method also includes introducing a recovery fluid to suspend the cells and the viral particles, and separating the cells from the viral particles. A method of activating cells is disclosed.Type: GrantFiled: September 16, 2022Date of Patent: November 12, 2024Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Kenneth T. Kotz, Bryan D. Teece, James Gillett Truslow, Nathan Francis Moore, Jeffrey T. Borenstein, Vishal Tandon
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Patent number: 12119760Abstract: A control circuit for an electrostatic machine includes a current source or sink, an inductor, a switching network coupled between the current source or sink and the electrostatic machine, and between the inductor and the electrostatic machine. A controller is configured to automatically cause the switching network to connect the current source or sink to the electrostatic machine each half-cycle of a periodically alternating polarity. At each polarity alternation, the electrostatic machine is isolated from the current source or sink for a first period of time. At each polarity alternation, the inductor is connected to the electrostatic machine for a second period of time while the electrostatic machine is isolated from the current source or sink, and then disconnect the inductor from the electrostatic machine.Type: GrantFiled: October 16, 2021Date of Patent: October 15, 2024Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Louis Beryl Kratchman, James A. Bickford, Kasey Russell, Paul A. Ward