UNIVERSITY OF MARYLAND Patent applications |
Patent application number | Title | Published |
20160118214 | COLD FIELD ELECTRON EMITTERS BASED ON SILICON CARBIDE STRUCTURES - A cold cathode field emission electron source capable of emission at levels comparable to thermal sources is described. Emission in excess of 6 A/cm | 04-28-2016 |
20160099660 | BRIDGELESS RESONANT AC-DC CONVERTERS AND SYSTEMS AND CONTROL SYSTEMS THEREFOR - An AC-to-DC converter includes a multi-resonant switching circuit including an AC-AC stage soft-switched LC network that converts a low-frequency low-amplitude alternating input voltage into a higher-frequency higher-amplitude alternating voltage and an AC-DC stage rectifying the higher-frequency higher-amplitude alternating voltage into a DC output voltage via a soft-switched diode. An AC-to-DC converter system includes at least two multi-resonant switching circuits that include at least two AC-AC stages and an AC-DC stage. A control system for the AC-to-DC converter includes at least two resonant gate drivers that each includes: one MOSFET gate configured to transmit a gate voltage signal to an AC-to-DC converter; an on/off logic module electrically coupled to the MOSFET gate; a resonant tank LC circuit electrically coupled to the on/off logic module; and a voltage bias module electrically coupled to the resonant tank LC circuit. | 04-07-2016 |
20160064110 | PLASMONIC ACTIVATED GRAPHENE TERAHERTZ GENERATING DEVICES AND SYSTEMS - Plasmonic activated graphene terahertz (THz) generating devices and generator systems are described based on the excitation of plasma resonances in a graphene element or structure by mixing two signals with a THz difference frequency. The excitation process is the photo-thermo-electric effect which has been demonstrated to be operative at THz frequencies in graphene. An antenna or other electrical component or device, such as an electrical or antenna lead, couples the THz radiation out of the sub-wavelength graphene element. | 03-03-2016 |
20160016479 | AN INTEGRATED DUAL-OUTPUT GRID-TO-VEHICLE (G2V) AND VEHICLE-TO-GRID (V2G) ONBOARD CHARGER FOR PLUG-IN ELECTRIC VEHICLES - An integrated and isolated onboard charger for plug-in electric vehicles, includes an ac-dc converter and a dual-output dc-dc resonant converter, for both HV traction batteries and LV loads. In addition, the integrated and isolated onboard charger may be configured as unidirectional or bidirectional, and is capable of delivering power from HV traction batteries to the grid for vehicle-to-grid (V2G) applications. To increase the power density of the converter, the dual-output DC-DC resonant converter may combine magnetic components of resonant networks into a single three-winding electromagnetically integrated transformer (EMIT). The resonant converter may be configured as a half-bridge topology with split capacitors as the resonant network components to further reduce the size of converter. The integrated charger may be configured for various operating modes, including grid to vehicle (G2V), vehicle to grid (V2G) and high voltage to low voltage, HV-to-LV (H2L) charging. | 01-21-2016 |
20150374543 | DEVICE AND METHODS FOR DIRECTING AGENTS INTO AN EYE - A method, system, and device for magnetically pushing agents into an eye. The agents are magnetic or magnetizable or magnetically responsive | 12-31-2015 |
20150321191 | INTEGRATION OF EX SITU FABRICATED POROUS POLYMER MONOLITHS INTO FLUIDIC CHIPS - Bare porous polymer monoliths, fluidic chips, methods of incorporating bare porous polymer monoliths into fluidic chips, and methods for functionalizing bare porous polymer monoliths are described. Bare porous polymer monoliths may be fabricated ex situ in a mold. The bare porous polymer monoliths may also be functionalized ex situ. Incorporating the bare preformed porous polymer monoliths into the fluidic chips may include inserting the monoliths into channels of channel substrates of the fluidic chips. Incorporating the bare preformed porous polymer monoliths into the fluidic chips may include bonding a capping layer to the channel substrate. The bare porous polymer monoliths may be mechanically anchored to channel walls and to the capping layer. The bare porous polymer monoliths may be functionalized by ex situ immobilization of capture probes on the monoliths. The monoliths may be functionalized by direct attachment of chitosan. | 11-12-2015 |
20150258506 | LAYER-BY-LAYER ASSEMBLY OF GRAPHENE OXIDE MEMBRANES VIA ELECTROSTATIC INTERACTION AND ELUDICATION OF WATER AND SOLUTE TRANSPORT MECHANISMS - A method for synthesizing a water purification membrane is presented. The method includes stacking a plurality of graphene oxide (GO) nanosheets to create the water purification membrane, the stacking involving layer-by-layer assembly of the plurality of GO nanosheets and forming a plurality of nanochannels between the plurality of GO nanosheets for allowing the flow of a fluid and for rejecting the flow of contaminants. The method further includes cross-linking the plurality of GO nanosheets by 1,3,5-benzenetricarbonyl trichloride on a polydopamine coated polysulfone support. | 09-17-2015 |
20150221490 | PULSED-FIELD DIFFERENTIAL MOBILITY ANALYZER SYSTEM AND METHOD FOR SEPARATING PARTICLES AND MEASURING SHAPE PARAMETERS FOR NON-SPHERICAL PARTICLES - A method for extracting shape information for particles with similar shape and corresponding system of a tandem differential mobility analyzer (DMA) and pulse field differential mobility analyzer (PFDMA) system, that executes at least generating a steady state aerosol concentration; passing aerosol flow from the aerosol concentration thru a bipolar charger to produce a known charge distribution; passing aerosol thru a DMA with set sheath and aerosol flows and a set voltage to generate a mono-mobility aerosol; passing mono-mobility aerosol thru a PFDMA system; and measuring mobility as a function of electric field by varying the duty cycle of the pulse in the PFDMA system. Alternatively, the method and system relate to separating particles with different shapes by adjusting the duty cycle of the pulse to reach a higher or lower electric field than in the DMA in which the mono-mobility aerosol was generated; and separating particles based on shape. | 08-06-2015 |
20150190783 | POLYMERS GRAFTED WITH ORGANIC PHOSPHOROUS COMPOUNDS FOR EXTRACTING URANIUM FROM SOLUTIONS - Complexing or chelating agents that offer strong, selective bonding with uranium as well as a broad pH range of effectiveness, specifically including the pH range around 8.2, together with the acrylic double bonds required for radiation-induced grafting on polymers to remove uranium from a solution such as seawater. The novel adsorbing species are phosphorus-containing molecules, in particular organic phosphates, phosphonates and phosphoric acids. Organic phosphorus compounds, for example, organic phosphates, phosphonates, and phosphoric acids, are attached to polymer fibers to form fibers, fiber fabrics or membranes that are effective, or show activity, in uranium adsorption. | 07-09-2015 |
20140342375 | MICROFLUIDIC PROCESSING OF LEUKOCYTES FOR MOLECULAR DIAGNOSTIC TESTING - Described herein are microfluidic devices and methods that can greatly improve cell quality, streamline workflows, and lower costs. Applications include research and clinical diagnostics in cancer, infectious disease, and inflammatory disease, among other disease areas. | 11-20-2014 |
20140332410 | ANALYTICAL MICRO-DEVICES FOR MENTAL HEALTH TREATMENT MONITORING - A lab on a chip device includes a whole blood inlet port and microchannels to transport a whole blood sample or plasma skimmed from the whole blood sample into a detection chamber that includes at least one 3-electrode set of a counter electrode, a working electrode and a reference electrode. The counter electrode, the working electrode and the reference electrode may present bare, unmodified surfaces that are disposed so that clozapine present in the whole blood sample is detected via a reduction-oxidation reaction. Alternatively, the working electrode surface may include catechol grafted to chitosan. A method of detecting analytes and biomarkers includes collecting a whole blood sample, loading the sample into a point-of-care testing (POCT) device that includes at least one working electrode; testing the sample for the occurrence of a redox reaction; and calculating the total oxidative charge when the working electrode is bare or modified as before. | 11-13-2014 |
20140232565 | MONITORING A MOBILE DEVICE - Devices, systems, and methods for monitoring traffic, such as vehicle traffic on a roadway, using identification information acquired using a Bluetooth protocol. A sensor is configured to scan for discoverable Bluetooth devices within a flow of vehicle traffic and to create a log of identified Bluetooth devices. A system includes multiple sensors at known locations along a route and is operable to identify a Bluetooth device identified at multiple sensors. | 08-21-2014 |
20140202162 | FUEL EFFICIENT ULTRA-LOW EMISSION AND IMPROVED PATTERN FACTOR COLORLESS DISTRIBUTED COMBUSTION FOR STATIONARY AND PROPULSION GAS TURBINE APPLICATIONS - Colorless distributed combustion (CDC) reactors or green combustion gas turbine combustors having a combustion chamber are presented for improved performance of gas turbine combustion engines. The combustors are configured and designed for providing a superior pattern factor (uniform thermal field in the combustion zone) and a reduction or complete elimination of pollutants emission from the combustor (i.e., zero emission gas turbine combustor) and uniform thermal field in the entire combustion zone to provide significantly improved pattern factor. Colorless distributed combustion is achieved with fuel and air entering the combustion chamber via one or more injection ports as non-premixed, or premixed. Rectangular, cylindrical, stadium and elliptical shaped combustors are presented with injection ports and exit ports located in various locations of the combustors. The mixture preparation between fuel and air with the hot combustion products is carried out either with the gases present in the combustion chamber or via a communication link between the exit gases from the combustor back to the combustion chamber. | 07-24-2014 |
20140199757 | ATOMIC LAYER DEPOSITION INVERTED PASSIVATED SURFACE ACOUSTIC WAVE SENSOR FOR EARLY DETECTION OF BIOFILM GROWTH - A surface acoustic wave (SAW) biofilm sensor includes a transmitting electric to acoustic wave transducer defining an upper surface and a lower surface, a receiving acoustic wave to electric transducer defining an upper surface and a lower surface, a piezoelectric film layer defining an upper surface and a lower surface, and a passivation film layer defining an upper surface and a lower surface. Portions of the lower surface of the piezoelectric film layer are disposed on the upper surface of the transmitting electric to acoustic wave transducer and on the upper surface of the receiving acoustic wave to electric transducer, and the lower surface of the passivation film layer is disposed on the upper surface of the piezoelectric film layer such that the upper surface of the passivation film layer is configured to enable contact with a biofilm. | 07-17-2014 |
20140073835 | DEVICE AND METHODS FOR DIRECTING AGENTS TO THE MIDDLE EAR AND THE INNER EAR - This disclosure includes a method for pushing an active agent into a patient's ear via the device. The agent can be pushed to a treatment site. | 03-13-2014 |
20140024698 | METHODS FOR TREATING PROGEROID LAMINOPATHIES USING OLIGONUCLEOTIDE ANALOGUES TARGETING HUMAN LMNA - Provided are methods of treatment in subjects having progeroid diseases and related conditions which rely upon LMNA-targeted antisense oligonucleotides for reducing expression of one or more aberrantly spliced LMNA mRNA isoforms that encode progerin. | 01-23-2014 |
20140004194 | HIGHLY STABLE COLLOID FROM AQUEOUS SOLUTIONS OF SMALL ORGANIC MOLECULES | 01-02-2014 |
20130306870 | CARBON NANOTUBE COMPOSITIONS AND METHODS OF MAKING AND USING SAME - Carbon nanotube compositions suitable for printing, methods of making carbon nanotube compositions, and substrates having a print thereon containing carbon nanotube compositions, and uses thereof. The carbon nanotubes of the compositions are individualized. The carbon nanotube compositions can be used in applications, such as document security. | 11-21-2013 |
20130304233 | CONTINUOUS DIGITAL LIGHT PROCESSING ADDITIVE MANUFACTURING OF IMPLANTS - A process for additive manufacturing of a resorbable implant to be implanted into a patient includes providing a biocompatible resin including a liquid light-polymerizable material that is resorbable after polymerization and an initiator. The process further includes actuating an additive manufacturing apparatus to expose an amount of the biocompatible resin to light to at least partially cure the exposed amount of biocompatible resin to form a layer of the resorbable implant and actuating the additive manufacturing apparatus to expose at least some additional amount of biocompatible resin to light to at least partially cure the exposed additional amount of biocompatible resin to form an additional layer of the resorbable implant and to at least partially overcure previously cured layers to cause at least some interlayer binding between the previously cured layers and the additional layer. | 11-14-2013 |
20130291709 | CONTINUOUS WOUND COMPOSITE TRUSS STRUCTURES - Ultra-efficient composite truss structures and methods for manufacturing the same using low cost and high throughput winding processes are presented. The present disclosure describes combining the high structural efficiency of truss structures with the excellent mechanical properties of composite materials using processes that mitigate the high manufacturing costs typical of composite materials. The present disclosure further describes creating the members of the truss structure through continuous winding of either thermoset or thermoplastic matrix, fiber reinforced composite members around a central mandrel. The longitudinal chord members of the truss are held in position by the mandrel, and the web members are wrapped under the chord members, over them, or both. The web members are bonded to the chord members during manufacture to produce a single consolidated truss structure. | 11-07-2013 |
20130261076 | ADMINISTRATION OF ERITORAN OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF TO TREAT ORTHOMYXOVIRUS INFECTIONS - The present invention is directed to methods for treating orthomyxovirus infections comprising administering to a subject an effective amount of a compound of formula (I) | 10-03-2013 |
20130260697 | MATRIX SPECTRAL FACTORIZATION FOR DATA COMPRESSION, FILTERING, WIRELESS COMMUNICATIONS, AND RADAR SYSTEMS - A new apparatus, system, and technique for performing Matrix Spectral Factorization has been developed, which can factorize in real time high-dimensional matrices with high-order polynomial or non-rational entries. The method can be used for efficient implementation of engineering solutions to problems in Data Compression, Filtering, Wireless Communications, and Radar Systems, etc., which are computationally reducible to matrix spectral factorization. | 10-03-2013 |
20130193307 | SYSTEM, METHOD, AND DEVICE FOR SUPPRESSION OF DARK CURRENT - A method, system and device for reducing dark current, by clamping the voltage across the photodiode to about zero using local storage of charge, in an array of pixel cells in which each pixel cell has a photodiode configured to receive light and generate a photocharge during an integration period. | 08-01-2013 |
20130172724 | QUICK-RELEASE SELF-CONTAINED MEDICAL ELECTRODE - A medical electrode demonstrates a superior adhesiveness to a patient's skin during medical data acquisition or treatment procedure yet attaining painless electrode removal from the skin when needed. The subject medical electrode is designed with adhesive neutralizer (or remover) solvent fully enveloped in one or several compartments embedded in an adhesive layer of the medical electrode unit. The compartments have a contact with the patient's skin when the electrode is attached thereto. When compressed by a medical personnel, the compartment releases the adhesive remover solvent directly to the skin-adhesive interface, thereby neutralizing (or removing) the adhesive material, thereby easing the electrode removal. The adhesive layer is made from PEO, sodium chloride, and water. The adhesive remover solvent contains isopropyl alcohol. A method of manufacturing the medical electrode is presented. | 07-04-2013 |
20130163761 | WIRELESS COMMUNICATION METHOD AND SYSTEM FOR TRANSMISSION AUTHENTICATION AT THE PHYSICAL LAYER - The subject authentication scheme encompasses a large family of authentication systems which may be built over existing transmission systems. By superimposing a carefully designed secret modulation on the waveforms, authentication is added to the signal without requiring additional bandwidth. The authentication information (tag signal) is sent concurrently with data (message signal). The authentication is designed to be stealthy to the uninformed user, robust to interference, and secure for identity verification. The tradeoffs between these three goals are identified and analyzed. The use of the authentication for channel estimation is also considered, and improved bit errors are demonstrated for time-varying channels. With a long enough authentication code word an authentication system is achieved with very slight data degradation. Additionally, by treating the authentication tag as a sequence of pilot symbols, the data recovery may be improved by the aware receiver. | 06-27-2013 |
20130159722 | ACTIVE SENSING FOR DYNAMIC SPECTRUM ACCESS - Various communication systems may benefit from physical layer watermarking. For example, active sensing for dynamic spectrum access may be performed using physical layer watermarking, such as watermarking based on channel effects and/or receiver distortion. A method may include, for example, obtaining an original signal to be transmitted to at least one receiver. The method may also include watermarking the original signal with at least one of authentication data or ancillary data to provide an enhanced signal. The watermarking can include a physical layer watermark. The physical layer watermark can be configured to emulate at least one a channel effect or a receiver distortion. The method can further include transmitting the enhanced signal to the at least one receiver. | 06-20-2013 |
20130108618 | METHODS AND COMPOSITIONS RELATED TO INTRACELLULAR NEUTRALIZATION BY IgG | 05-02-2013 |
20130096879 | METHOD AND SYSTEM FOR EVALUATION OF FIRE SUPPRESSION SYSTEMS PERFORMANCE - An initial (near-field) spray generated by a sprinkler under study is fully characterized using a laser-supported Shadowgraphy/PTV system. Near-field spray characteristics are established from local measurements, which are mapped in a spherical coordinate system consistent with the kinematics of the spray. A novel data compression scheme is introduced to generate analytical functions describing the sprinkler spray based on the measurements. These analytical functions are useful for initiating the sprinkler spray in computational fluid dynamics (CFD) based spray dispersion and fire suppression modeling. The near-field spray measurements and associated data compression approach are validated by comparing volume density measurements 1 meter below the sprinkler with volume density predictions generated from spray dispersion calculations initiated with the analytical spray functions. | 04-18-2013 |
20130087509 | FILTRATION SYSTEM AND METHOD FOR REMOVING SUSPENDED SOLIDS AND AFFILIATED POLLUTANTS FROM STORMWATER RUNOFF USING A GEOSYNTHETIC FILTER - A filtration system and method are provided for removing suspended solids and other affiliated pollutants from stormwater runoff and any other contaminated water. The filtration system and method utilize a filter having a geosynthetic material. By improving or replacing a conventional filtration system, such as a sand filtration system, with a geosynthetic material, the removal efficiency of suspended solids and affiliated pollutants is maintained or improved and the lifespan of the filtration system is lengthened due to simpler cleaning processes and a reduced need for material replacements. The filter can be a retrofit filter for fitting to existing storm drains for removing suspended solids and affiliated pollutants. | 04-11-2013 |
20130006510 | Monitoring a Mobile Device - Devices, systems, and methods for monitoring traffic, such as vehicle traffic on a roadway, using identification information acquired using a Bluetooth protocol. A sensor is configured to scan for discoverable Bluetooth devices within a flow of vehicle traffic and to create a log of identified Bluetooth devices. A system includes multiple sensors at known locations along a route and is operable to identify a Bluetooth device identified at multiple sensors. | 01-03-2013 |
20130006509 | Monitoring a Mobile Device - Devices, systems, and methods for monitoring traffic, such as vehicle traffic on a roadway, using identification information acquired using a Bluetooth protocol. A sensor is configured to scan for discoverable Bluetooth devices within a flow of vehicle traffic and to create a log of identified Bluetooth devices. A system includes multiple sensors at known locations along a route and is operable to identify a Bluetooth device identified at multiple sensors. | 01-03-2013 |
20120250494 | METHOD AND SYSTEM FOR COOPERATIVE TRANSMISSION IN WIRELESS MULTI-HOP NETWORKS - User cooperation in wireless networks implemented on the Network Protocol layer level attains a higher stable throughput and improved transmission delay. The cooperation is designed between a set of source user nodes transmitting to a common destination, where users with channels providing a higher successful delivery probability, in addition to their own traffic, relay packets of other source users whose transmissions to the destination fails. Each source user node is provided with an ample queue buffer having capacity to accumulate packets inadvertently received from other users in the system in addition to its own packets. Ranking mechanism facilitates in determining the “quality” of wireless channels, and the Acknowledgement mechanism facilitates in coordination of the transmissions in the system. The nodes exchange information on the queues status, and decision is made by a scheduling controller on the priority of transmission. | 10-04-2012 |
20120210797 | ULTRA-MINIATURE FIBER-OPTIC PRESSURE SENSOR SYSTEM AND METHOD OF FABRICATION - Ultra-miniature surface-mountable optical pressure sensor is constructed on an optical fiber. The sensor design utilizes an angled fiber tip which steers the optical axis of the optic fiber by 90°. The optical cavity is formed on the sidewall of the optic fiber. The optical cavity may be covered with a polymer-metal composite diaphragm to operate as a pressure transducer. Alternatively, a polymer-filled cavity may be constructed which does not need a reflective diaphragm. The sensor exhibits a sufficient linearity over the broad pressure range with a high sensitivity. The sensitivity of the sensor may be tuned by controlling the thickness of the diaphragm. Methods of batch production of uniform device-to-device optical pressure sensors of co-axial and cross-axial configurations are presented. | 08-23-2012 |
20120143570 | METHOD AND SYSTEM FOR ONTOLOGY-ENABLED TRACEABILITY IN DESIGN AND MANAGEMENT APPLICATIONS - A system and method for ontology-enhanced traceability in design and management applications employ ontology nodes embedded in a processor executable traceability link (network) coupling processor executable requirement modules to processor executable engineering object modules to facilitate in all stages of engineering object development. The engineering object development occurs through multiple models of computation, control, and visualization platform networked together via ontology-enhanced traceability mechanism. Processor executable design rule checking module embedded in the design concept nodes creates a pathway for the development process validation and verification at early stages of the object lifecycle. Linking of ontologies/meta-models is performed for the purposes of supporting ontology-enabled traceability across multiple domains. | 06-07-2012 |
20120122908 | Novel C-4 Substituted Retinoids - C-4 substituted retinoic acid analogs, synthesis methods of C-4 substituted retinoic acid analogs and methods of using C-4 substituted retinoic acid analogs to treat various cancers and dermatological diseases and conditions. The C-4 substituted retinoic acid analogs include C-4 all-trans retinoic acid (ATRA) and 13-cis retinoic acid (13-CRA) analogs. The C-4 substituted retinoic acid analogs inhibit all-trans retinoic acid (ATRA) 4-hydroxylase activity, thereby inhibiting the catabolism of ATRA. The C-4 substituted retinoic acid analogs also have ATRA-mimetic activity. The preferred substitutions at C-4 are an azole group, a sulfur, oxygen, or nitrogen containing group, a pyridyl group, an ethinyl group, a cyclopropyl-amine group, an ester group, or a cyano group, or forms, together with the C-4 carbon atom, an oxime, an oxirane or aziridine group. | 05-17-2012 |
20120115235 | ENHANCED CELLULASE EXPRESSION IN S. DEGRADANS - The invention provides organisms and methods of using and making organisms with enhanced cellulase expression. | 05-10-2012 |
20120031133 | AIR CONDITIONER - An air conditioner having a refrigeration cycle including a compressor, a radiator, a pressure-reducing device and an evaporator, a total heat exchanger for performing heat-exchange between outdoor air and air under cooling operation using the evaporator for a room to be air-conditioned, and for ventilating the room to be air-conditioned, and a desiccant rotor having a moisture adsorbing area for adsorbing moisture in the outdoor air when the outdoor air is introduced, and regenerating the moisture adsorbing area by heat of the radiator, the outdoor air successively flowing through the total heat exchanger, the evaporator and the moisture adsorbing area in this order and then entering the room to be air-conditioned. | 02-09-2012 |
20120010079 | METHOD AND SYSTEM FOR LONG RANGE WIRELESS POWER TRANSFER - A wireless energy transfer system includes a primary and one (or more) secondary oscillators for transferring energy therebetween when resonating at the same frequency. The long range (up to and beyond 100 m) efficient (as high as and above 50%) energy transfer is achieved due to minimizing (or eliminating) losses in the system. Superconducting materials are used for all current carrying elements, dielectrics are either avoided altogether, or those are used with a low dissipation factor, and the system is operated at reduced frequencies (below 1 MHz). The oscillators are contoured as a compact flat coil formed from a superconducting wire material. The energy wavelengths exceed the coils diameter by several orders of magnitude. The reduction in radiative losses is enhanced by adding external dielectric-less electrical capacitance to each oscillator coil to reduce the operating frequency. The dielectric strength of the capacitor is increased by applying a magnetic cross-field to the capacitor to impede the electrons motion across an air gap defined between coaxial cylindrical electrodes. | 01-12-2012 |
20110289311 | METHOD OF PERFORMANCE-AWARE SECURITY OF UNICAST COMMUNICATION IN HYBRID SATELLITE NETWORKS - A method and apparatus utilizes Layered IPSEC (LES) protocol as an alternative to IPSEC for network-layer security including a modification to the Internet Key Exchange protocol. For application-level security of web browsing with acceptable end-to-end delay, the Dual-mode SSL protocol (DSSL) is used instead of SSL. The LES and DSSL protocols achieve desired end-to-end communication security while allowing the TCP and HTTP proxy servers to function correctly. | 11-24-2011 |
20110273115 | LASER ACCELERATION SYSTEM FOR GENERATING MONOENERGETIC PROTONS - A proton acceleration system is provided for accelerating protons within a target. The system includes a laser source generating a laser beam having a wavelength λ | 11-10-2011 |
20110268097 | METHOD AND SYSTEM FOR ADAPTIVE SYNCHRONIZATION OF TIMING INFORMATION GENERATED BY INDEPENDENTLY CLOCKED COMMUNICATION NODES - A system and method are provided for adaptive synchronization of timing information provided in communications messages transmitted between independently clocked communication nodes of a wireless communications network. The system and method include measures for collecting timestamps of messages generated by a plurality of the nodes, each timestamp being generated by one of the nodes relative to a local time reference thereof. A pairwise clock error is computed for at least one pair of nodes based upon a plurality of network messages passed therebetween. A global time reference is adaptively established for the timestamps responsive to the pairwise clock error. A plurality of mapping factors are defined each for translating from one local time reference to the global time reference. The mapping factors are selectively applied to corresponding ones of the timestamps. | 11-03-2011 |
20110257369 | METHODS FOR REMOVING NICOTINE AND OTHER ALKALOIDS FROM SOLUBLE LEAF PROTEINS IN SOLANACEOUS AND OTHER PLANT SPECIES - Described herein is a process for removing nicotine and other alkaloids from plant leaf proteins. The plant leaf proteins may be derived from tobacco } | 10-20-2011 |
20110222708 | BIOLOGY-INSPIRED MINIATURE SYSTEM AND METHOD FOR SENSING AND LOCALIZING ACOUSTIC SIGNALS - A system and method for sensing acoustic sounds is provided having at least one directional sensor, each directional sensor including at least two compliant membranes for moving in reaction to an excitation acoustic signal and at least one compliant bridge. Each bridge is coupled to at least a respective first and second membrane of the at least two membranes for moving in response to movement of the membranes it is coupled to for causing movement of the first membrane to be related to movement of the second membrane when either of the first and second membranes moves in response to excitation by the excitation signal. The directional sensor is controllably rotated to locate a source of the excitation signal, including determining a turning angle based on a linear relationship between the directionality information and sound source position described in experimentally calibrated data. | 09-15-2011 |
20110222372 | METHOD AND SYSTEM FOR DEREVERBERATION OF SIGNALS PROPAGATING IN REVERBERATIVE ENVIRONMENTS - The dereverberation of signals in reverberating environments is carried out via acquiring the representation (image) of spatial distribution of the signals in space of interest and automatic identification of reflections of the source signal in the reverberative space. The technique relies on identification of prominent features at the image, as well as corresponding directions of propagation of signals manifested by the prominent features at the image, and computation of similarity metric between signals corresponding to the prominent features in the image. The time delays between the correlated signals (i.e., source signal and related reflections) are found and the signals are added coherently. Multiple beamformers operate on the source signal and corresponding reflections, enabling one to improve the signal-to-noise ratio in multi-path environments. | 09-15-2011 |
20110212810 | BALANCE TRAINING SYSTEM - Provided is a balance training system for improving postural control of a user by providing visual feedback regarding the user's center of mass (CoM) to the user on a display. The balance training system includes a balance improvement module connected to the display, and a first sensor which captures information about a position of the user with respect to a platform of the balance training system on which platform the user is moving and which provides the captured information to the balance improvement module. The balance improvement module is configured to extract CoM information of the user from the captured information, to compare the extracted CoM information with a target area for the user's CoM on the platform, and to provide results of the comparison to the display for displaying the results to the user. | 09-01-2011 |
20110207132 | PROBES AND METHODS FOR DETECTING ANALYTES - Embodiments disclosed herein relate generally to probes, methods, and kits for detecting the presence of a target analyte. The probe generally comprises two strands that have regions of complementarity and do not associate with each other at the reaction temperature. In the presence of an analyte, the two strands of the probe can hybridize to each other, and the analyte can hybridize to both strands of the probe in a juxtapose manner to form a tripartite structure (probe-analyte complex). If the region of complementarity between the two probe strands contain cognate restriction endonuclease (REN) sequences, then the formation of the tripartite structure will lead to the generation of a REN site that can be cleaved by a REN, and the cleavage can then be detected by a variety of methods to signal the presence of the analyte. | 08-25-2011 |
20110115243 | SYSTEM, METHOD, AND APPARATUS FOR SUCTION GRIPPING - A suction gripper includes a cup member, a suction port, and a valve. The cup member has inner and outer surfaces defining an opening such that the inner surface defines an inner cavity. The suction port provides suction. The valve in is fluid communication with the suction port and the inner cavity of the cup member to modify the suction therebetween. The valve is operatively coupled to the cup member and is adapted to passively actuate in response to an applied force to the cup member. | 05-19-2011 |
20110073827 | NANODEVICE ARRAYS FOR ELECTRICAL ENERGY STORAGE, CAPTURE AND MANAGEMENT AND METHOD FOR THEIR FORMATION - An apparatus, system, and method are provided for a vertical two-terminal nanotube device configured to capture and generate energy, to store electrical energy, and to integrate these functions with power management circuitry. The vertical nanotube device can include a column disposed in an anodic oxide material extending from a first distal end of the anodic oxide material to a second distal end of the anodic oxide material. Further, the vertical nanotube device can include a first material disposed within the column, a second material disposed within the column, and a third material disposed between the first material and the second material. The first material fills the first distal end of the column and extends to the second distal end of the column along inner walls of the column. The second material fills the first distal end of the column and extends to the second distal end of the column within the first material. Both the first material and the second material are exposed at the first distal end of the column. | 03-31-2011 |
20110062278 | CONTROLLABLE MINIATURE MONO-WING AIRCRAFT - Micro/nano mono-wing aircraft with the wing configured as a winged seed (Samara) is uniquely suited for autonomous or remotely controlled operation in confined environments for surrounding images acquisition. The aircraft is capable of effective autorotation and steady hovering. The wing is flexibly connected to a fuselage via a servo-mechanism which is controlled to change the wing's orientation to control the flight trajectory and characteristics. A propeller on the fuselage rotates about the axis oriented to oppose a torque created about the longitudinal axis of the fuselage and is controlled to contribute in the aircraft maneuvers. A controller, either ON-board or OFF-board, creates input command signals to control the operation of the aircraft based on a linear control model identified as a result of extensive experimentations with a number of models. | 03-17-2011 |
20110054207 | SULFATED PSYLLIUM DERIVATIVE FOR REDUCING THE RISK OF CHRONIC HUMAN DISEASES AND METHOD FOR PREPARING THE SAME - The invention is directed to a method for preparing sulfated psyllium derivatives for use to reduce the risk of chronic human diseases. The sulfation of psyllium was carried out with sulfur, trioxide, pyridine, dimethylformamide and chlorosulfonic acid in pyridine. Six total sulfated psyllium derivatives named SP1, SP2, SP3, SPR1, SPR2, and SPR3 were prepared and evaluated for their morphological and rheological properties, and bile acid-binding abilities. The invention offers a novel approach to obtaining sulfated psyllium derivatives for use in functional foods or supplemental and pharmaceutical products to increase health benefits. | 03-03-2011 |
20110033419 | Methods and Compositions for Treating Cancer - The invention relates to a method of treating cancer, comprising administering to a subject in need thereof an effective amount of a HSV-2 virus, wherein the virus lacks protein kinase activity of ICP10. The invention further relates to pharmaceutical compositions comprising HSV-2 virus, wherein the virus lacks protein kinase activity of ICP10. | 02-10-2011 |
20110023617 | ULTRA-MINIATURE FIBER-OPTIC PRESSURE SENSOR SYSTEM AND METHOD OF FABRICATION - Ultra-miniature surface-mountable Fabry-Perot pressure sensor is constructed on an optical fiber which utilizes a 45° angled fiber tip covered with a reflective layer which steers the optical axis of the fiber by 90°. The Fabry-Perot cavity is formed on the sidewall of the fiber and a polymer-metal composite diaphragm is formed on the top of the Fabry-Perot cavity to operate as a pressure transducer. The sensor exhibits a sufficient linearity over the broad pressure range with a high sensitivity. The sensitivity of the sensor may be tuned by controlling the thickness of the diaphragm. The sensor may be used in a wide range of applications, including reliable in vivo low invasive pressure measurements of biological fluids, single sensor systems, as well as integral spatial-division-multiplexing sensor networks. Methods of batch production of uniform device-to-device Fabry-Perot pressure sensors of co-axial and cross-axial configurations are presented. | 02-03-2011 |
20100306746 | BINARY REWRITING WITHOUT RELOCATION INFORMATION - A binary rewriter that can provide complete code coverage without relocation information is provided, together with a method of performing such rewriting. The method can include processing a binary file as an original binary file. The method can also include disassembling the binary file to provide a disassembled binary file. The method can further include rewriting the disassembled binary file without relocation information to provide a rewritten binary file. The rewriting can provide a physical transformation in a recording medium relative to the binary file in the recording medium prior to the rewriting. The processing the binary file, disassembling the binary file, and rewriting the disassembled binary file can be performed by a particular machine. | 12-02-2010 |
20100299657 | AUTOMATIC PARALLELIZATION USING BINARY REWRITING - Binary rewriters that do not require relocation information and automatic parallelizers within binary rewriters are provided, as well as methods for performing binary rewriting and automatic parallelization. The method, in certain embodiments. includes disassembling a binary file and determining functions in the disassembled binary file. The method can further include rewriting the binary file without relying on relocation information or object files. Optionally, the method can further include performing automatic parallelization of the binary before rewriting the binary file. | 11-25-2010 |
20100268943 | Method and System for Source Authentication in Group Communications - A method and system for authentication is provided. A central node for issuing certificates to a plurality of nodes associated with the central node in a network is also provided. The central node receives a first key from at least one node from among the plurality of nodes and generates a second key based on the received first key and generates a certificate for the at least one node. The generated certificate is transmitted to the at least one node. | 10-21-2010 |
20100246825 | WIRELESS COMMUNICATION METHOD AND SYSTEM FOR TRANSMISSION AUTHENTICATION AT THE PHYSICAL LAYER - The subject authentication scheme encompasses a large family of authentication systems which may be built over existing transmission systems. By superimposing a carefully designed secret modulation on the waveforms, authentication is added to the signal without requiring additional bandwidth. The authentication information (tag signal) is sent concurrently with data (message signal). The authentication is designed to be stealthy to the uninformed user, robust to interference, and secure for identity verification. The tradeoffs between these three goals are identified and analyzed. The use of the authentication for channel estimation is also considered, and improved bit errors are demonstrated for time-varying channels. With a long enough authentication code word an authentication system is achieved with very slight data degradation. Additionally, by treating the authentication tag as a sequence of pilot symbols, the data recovery may be improved by the aware receiver. | 09-30-2010 |
20100120106 | Process for producing lower alkyl alcohols from cellulosic biomass using microorganisms - At least one isolated microorganism, which converts at least 10% by weight, and preferably 50% by weight, of cellulosic biomass to a lower alkyl alcohol by direct digestion, and which produces at least 4% by volume of the lower alkyl alcohol in an aqueous-based digestion medium. | 05-13-2010 |
20100059724 | Super-Pyroelectric Films and Process of Their Preparation - A film is presented having super-pyroelectric properties. The film comprises nano-sized grains being in a ferroelectric phase and having at least three different crystallographic variants defining at least two polycrystalline macro-domains. The film is shaped to define at least one film region with the macro-domains of a predetermined shape and different orientations of crystallographic axes with respect to the film's surface, thereby enabling to apply a temperature change to the film to induce movement of the polycrystalline macro-domains boundaries enabling super-pyroelectric properties. | 03-11-2010 |
20100028766 | THIN FLEXIBLE RECHARGEABLE ELECTROCHEMICAL ENERGY CELL AND METHOD OF FABRICATION - A thin, rechargeable, flexible electrochemical energy cell includes a battery cell, or a capacitor cell, or a battery/capacitor hybrid cell that can be stackable in any number and order. The cell can be based on a powdery mixture of hydrated ruthenium oxide particles or nanoparticles with activated carbon particles or nanoparticles suspended in an electrolyte. The electrolyte may contain ethylene glycol, boric acid, citric acid, ammonium hydroxide, organic acids, phosphoric acid, and/or sulphuric acid. An anode electrode may be formed with a thin layer of oxidizable metal (Zn, Al, or Pb). The cathode may be formed with a graphite backing foil. The materials used in the energy cell can be explosive-free, nonflammable, nontoxic, and environmentally safe, and the energy cell may have a voltage at or below 1.25V for recharging. The thickness of the cell structure can be in the range of 0.5 mm-1 mm, or lower. | 02-04-2010 |
20100027861 | SEGMENTATION OF REGIONS IN MEASUREMENTS OF A BODY BASED ON A DEFORMABLE MODEL - Techniques for segmenting data include receiving reference segmentation data and target data. The reference segmentation data defines a mesh indicating a boundary of a physical component in a reference body. The target data includes measured values at coordinates within a target body. Coordinates for vertices of the mesh are moved toward nearby edges in values of the target data. The adjustment also may be based on deviations from adjacent vertices or from a three dimensional generalized gradient vector field. The mesh may be initially transformed by a particular transformation that automatically maximizes a similarity measure between the target data and reference data. The reference data includes measured values within the reference body. The reference segmentation also may define a second mesh that indicates a second boundary in the reference body, and the adjustment is also based on an adjusted distance between the mesh and the second mesh. | 02-04-2010 |
20100026605 | F-INVERTED COMPACT ANTENNA FOR WIRELESS SENSOR NETWORKS AND MANUFACTURING METHOD - An F-inverted compact antenna for ultra-low volume Wireless Sensor Networks is developed with a volume of 0.024λ×0.06λ×0.076λ, ground plane included, where λ is a resonating frequency of the antenna. The radiation efficiency attained is 48.53% and the peak gain is −1.38 dB. The antenna is easily scaled to higher operating frequencies up to 2500 MHz bands with comparable performance. The antenna successfully transmits and receives signals with tolerable errors. It includes a standard PCB board with dielectric block thereon and helically contoured antenna wound from a copper wire attached to the dielectric block and oriented with the helix axis parallel to the PCB. The antenna demonstrates omnidirectional radiation patterns and is highly integratable with WSN, specifically in Smart Dust sensors. The antenna balances the trade offs between performance and overall size and may be manufactured with the use of milling technique and laser cutters. | 02-04-2010 |
20090287036 | Methods And Systems For Using Therapeutic, Diagnostic or Prophylactic Magnetic Agents - Systems and methods are disclosed for directing magnetizable particles comprising therapeutic agents to a target volume, or for guiding magnetizable particles comprising therapeutic agents from a first target volume to a second target volume, at a distance using a magnetic field, to enable the treatment of diseased areas including areas deep inside a patient's body. The methods may be used to diagnose or treat diseased areas within a patient, for example tumors of the lungs, intestines, and liver, and is also useful in enhancing the permeability of solid tumors to chemotherapeutic agents. | 11-19-2009 |
20090280517 | METHODS OF DIAGNOSIS AND PROGNOSIS FOR A MUSCULAR DYSTROPHY - The invention relates to the treatment, diagnosis, and prognosis of a muscular dystrophy or myopathy. The present inventors have found that the quantity of mu-crystallin is increased in a muscular dystrophy. In particular, the inventors have found that mu-crystallin is increased in facioscapulohumeral muscular dystrophy (FSHD). Based on the inventors' findings, the invention provides a novel means for the treatment, diagnosis, and prognosis of a muscular dystrophy or myopathy. | 11-12-2009 |
20090275145 | METAL-ENHANCED FLUORESCENCE FOR POLARIZATION-BASED AFFINITY ASSAYS - A method and kit for determining the quantity of an analyte include providing a functionalized substrate and a reagent. The functionalized substrate includes metallic nanoparticles and a plurality of substantively identical bioactive target molecules affixed to a substrate. The bioactive target molecule binds to a particular analyte. The reagent includes identical detection molecules. Each detection molecule includes a fluorophore, and binds to a particular analyte or competes with a particular analyte for binding to the target molecule. The functionalized substrate is contacted to a test sample and the reagent. The functionalized substrate and a covering solution are exposed to polarized electromagnetic waves that excite the fluorophore. A quantity of the particular analyte in the test sample is determined based on measuring polarization anisotropy of fluorescent emissions from the substrate and the covering solution. | 11-05-2009 |
20090232353 | METHOD AND SYSTEM FOR MARKERLESS MOTION CAPTURE USING MULTIPLE CAMERAS - Completely automated end-to-end method and system for markerless motion capture performs segmentation of articulating objects in Laplacian Eigenspace and is applicable to handling of the poses of some complexity. 3D voxel representation of acquired images are mapped to a higher dimensional space ( | 09-17-2009 |
20090177446 | METHOD OF DESIGNING MAGNETORHEOLOGICAL FLUID ENERGY ABSORBING DEVICE USING HYDROMECHANICAL ANALYSIS - A method of designing a magnetorheological (MR) fluid energy absorbing damper is provided that uses hydromechanical analysis with lumped parameters to allow a determination as to whether a potential damper design will provide predetermined characteristics, such as a desired dynamic force range and maximum piston velocity, with a selected MR fluid and yield stress and preferably meeting predetermined geometric limitations. | 07-09-2009 |
20090148505 | Novel Antiproliferative Factor and Methods of Use - A novel antiproliferative factor comprising a glycopeptide is disclosed. In specific embodiments, the novel antiproliferative factor is associated with the bladder. Compositions, diagnostic kits and reagents, and methods of using the compounds for identifying and/or treating interstitial cystitis and cancer are disclosed. | 06-11-2009 |
20090130083 | Therapeutic Agents Targeting the NCCA-ATP Channel and Methods of Use Thereof - The present invention is directed to therapeutic compositions targeting the NC | 05-21-2009 |
20090125584 | SYSTEM AND METHOD FOR SPATIO-TEMPORAL-CONTEXT AWARE INTERACTION OF USERS WITH AN ENTITY OF INTEREST - A multifunctional interaction system which is capable of spatio-temporal context localization of users and of communication of audio/video streams to an entity of interest defined by the user, includes a communication domain supporting a predefined localization service, a server associated with the communication domain, client devices, and a dynamically changing context database which is customized in accord with the dynamics of interaction sessions of client devices with the server. The client communicates with the system to either request services therefrom or to send a message to the entity of interest. The system is provided with a panic alert mechanism which, upon actuation, transmits an audio/video data stream along with the client location tag, time stamp, and client ID, to a police precinct for prompt action. | 05-14-2009 |
20090103488 | PRACTICAL METHOD FOR RESOURCE ALLOCATION FOR QOS IN OFDMA-BASED WIRELESS SYSTEMS - A data communication resource allocation for OFDMA based wireless systems supporting heterogeneous traffic is provided by allocating the rates to users subject to power/bandwidth constraints, according to a user selection metric and rate allocation based on traffic requirements and channel conditions. Thus, a proportionally fair rate allocation with minimum rate constraint to data sessions and short term rate guarantees to real-time sessions can be provided. | 04-23-2009 |
20090084646 | BI-FOLD VALVE-TYPE MAGNETORHEOLOGICAL FLUID ENERGY ABSORBING DEVICE - An energy absorbing device is provided that includes a damper assembly having inner and outer concentric tubes and a piston movable within the inner tube. The damper assembly is configured to form bi-fold valve-type cavities to operatively connect an inner chamber of the inner tube with an outer chamber formed between the inner and outer tubes. A magnetorheological fluid fills the chambers and the bi-fold valve-type cavities. The magnetorheological fluid preferably contains coated magnetic particles at about 10 to 60 percent by volume. Electrical coils adjacent the bi-fold valves are selectively energizable to such that the energy absorbing device provides a tunable damping force, preferably over the entire range of velocities of the piston, especially in automotive applications. | 04-02-2009 |
20090045351 | SENSOR SYSTEM WITH SURFACE-PLASMON-POLARITON (SPP) ENHANCED SELECTIVE FLUORESCENCE EXCITATION AND METHOD - In a sensor system, an active sensor chip includes an array of periodically-patterned dielectric active sensor patches of different periodicities and geometries formed on a metal film. A specimen under study is positioned on each patch, and the active sensor chip is interrogated by illumination the patches in a predetermined sequence to result in a fluorescence response from each patch enhanced by SPP. The intensity of the fluorescence response is controlled by varying the wavelength, incidence angle, azimuthal orientation and polarization direction of the excitation light beam as the function of the periodicity of the illuminated patch. The system is compatible with commercial fluorescence microscopes and scanned laser interrogation systems. | 02-19-2009 |
20090032801 | Approach to contacting nanowire arrays using nanoparticles - An in situ approach toward connecting and electrically contacting vertically aligned nanowire arrays using conductive nanoparticles is provided. The utility of the approach is demonstrated by development of a gas sensing device employing the nanowire assembly. Well-aligned, single-crystalline zinc oxide nanowires were grown through a direct thermal evaporation process at 550° C. on gold catalyst layers. Electrical contact to the top of the nanowire array was established by creating a contiguous nanoparticle film through electrostatic attachment of conductive gold nanoparticles exclusively onto the tips of nanowires. A gas sensing device was constructed using such an arrangement and the nanowire assembly was found to be sensitive to both reducing (methanol) and oxidizing (nitrous oxides) gases. This assembly approach is amenable to any nanowire array for which a top contact electrode is needed. | 02-05-2009 |
20090028347 | AUDIO CAMERA USING MICROPHONE ARRAYS FOR REAL TIME CAPTURE OF AUDIO IMAGES AND METHOD FOR JOINTLY PROCESSING THE AUDIO IMAGES WITH VIDEO IMAGES - Spherical microphone arrays provide an ability to compute the acoustical intensity corresponding to different spatial directions in a given frame of audio data. These intensities may be exhibited as an image and these images are generated at a high frame rate to achieve a video image if the data capture and intensity computations can be performed sufficiently quickly, thereby creating a frame-rate audio camera. A description is provided herein regarding how such a camera is built and the processing done sufficiently quickly using graphics processors. The joint processing of and captured frame-rate audio and video images enables applications such as visual identification of noise sources, beamforming and noise-suppression in video conferenceing and others, by accounting for the spatial differences in the location of the audio and the video cameras. Based on the recognition that the spherical array can be viewed as a central projection camera, such joint analysis can be performed. | 01-29-2009 |
20080305485 | GENETIC MARKER FOR INCREASED RISK FOR OBESITY-RELATED DISORDERS - The present invention relates to methods of determining an increased risk of a subject to acquire a trait of an obesity disorder or an obesity disorder, with the method comprising determining the genetic sequence of at least one taste receptor gene in the subject and reviewing the test genetic sequence(s) for the presence of at least one risk allele associated with at least one taste receptor. The presence of at least one difference in the test genetic sequence(s) and the presence of a risk allele associated with the taste receptor(s) may indicate an increased risk of the subject acquiring a trait of an obesity disorder or an obesity disorder. | 12-11-2008 |
20080280136 | Carbon nanotube structures formed on large free floating substrates - Carbon nanotube structures are formed by providing metal composite particles including a catalyst metal and a non-catalyst metal, where the catalyst metal catalyzes the decomposition of a hydrocarbon compound and the formation of carbon nanotube structures on surfaces of the particles. The metal composite particles are combined with the hydrocarbon compound in a heated environment so as to form carbon nanotube structures on the surfaces of the metal composite particles. The metal composite particles can be include iron and aluminum at varying amounts. The carbon nanotubes formed on the metal particles can remain on the metal particles or, alternatively, be removed from the metal particles for use in different applications. | 11-13-2008 |