Patent application number | Description | Published |
20100038166 | DRIVE BY WIRE CONTACTLESS THROTTLE CONTROL APPARATUS - A drive by wire contactless throttle control which includes a contactless Hall-effect magnetic sensor. The Hall-effect magnetic sensor can be located in a mounting bracket in contactless association with a thumb lever on a handle bar. A magnet can be placed in a slot inside the thumb lever with a bonder and filled with an epoxy. The Hall-effect magnetic sensor senses the magnetic field produced by the magnet as the thumb lever rotates and determines position of the thumb lever and generates a signal based on the sensed position. The signal can be sent to an ECU (Electronic Control Unit) utilizing electrical wires in the form of varying voltage, which in turn controls throttle of a vehicle, such as an all terrain vehicle, snowmobile, etc. | 02-18-2010 |
20100043589 | DRIVE-BY-WIRE THROTTLE CONTROL APPARATUS AND METHOD OF FORMING THE SAME - A drive-by-wire throttle control apparatus and method of forming the same. The apparatus includes a Hall-effect magnetic sensor. A thumb lever can be assembled into a mounting bracket inside a cylindrical hole, which can rotate to a desired angle. The thumb lever can be mechanically connected to a magnet holder, which includes a magnet, utilizing a key-slot mechanism. The magnet holder can be placed inside a housing that allows the magnet holder to rotate and restrict other movements. When the thumb lever rotates, the lever rotates the magnet holder, which in turn detects the position of the throttle utilizing a varying voltage output from an associated Hall-effect chip. A signal can be generated based on the sensed position. | 02-25-2010 |
20100057322 | DRIVE-BY-WIRE THROTTLE CONTROL APPARATUS - A drive-by-wire throttle control apparatus and method includes a variable resistance sensor. A contact arm can be mechanically connected between a thumb lever and a variable resistance sensor. The variable resistance sensor possesses a resistive film that includes a fixed resistor and a variable resistor configured from a carbon film. As the thumb lever rotates, the contact arm traverses the resistive film, thereby altering the resistance of the variable resistor, determining the position of the thumb lever and thereafter generating a signal based on the sensed position. The signal can be sent to an ECU (Electronic Control Unit) in the form of a varying voltage, which in turn controls the throttle of a vehicle. | 03-04-2010 |
20100182017 | DRIVE BY WIRE NON-CONTACT CAPACITIVE THROTTLE CONTROL APPARATUS AND METHOD OF FORMING THE SAME - A drive-by-wire non-contact capacitive throttle control apparatus and method of forming the same. A capacitive position sensor is provided, which includes a stationary electrode and a rotatable electrode. The rotatable electrode can be attached to a throttle lever such that the rotatable electrode rotates as the throttle lever rotates. The capacitance between the rotatable electrode and the stationary electrode varies with the position of the throttle lever. The position of the throttle lever can be measured by measuring the capacitance between the electrodes and a signal can be generated based on the sensed position. The signal can be electrically transmitted to an ECU (Electronic Control Unit) utilizing one or more electrical wires. The signal can be sent in the form of a varying voltage, which in turn controls the throttle of a vehicle. | 07-22-2010 |
Patent application number | Description | Published |
20150063418 | LOSS COMPENSATION FOR DISTRIBUTED SENSING IN DOWNHOLE ENVIRONMENTS - An apparatus for estimating a parameter includes: an optical fiber sensor including at least one optical fiber configured to be disposed in a downhole location and including at least one sensing location configured to generate measurement signals; at least one light source configured to transmit a measurement signal having a wavelength to interrogate a sensing location and cause the sensing location to return a reflected measurement signal indicative of a measured parameter, and configured to transmit a reference signal and cause a reflected reference signal to be returned from a location associated with the sensing location, the reflected reference signal having a known relationship to hydrogen concentration; and a processor configured to receive the reflected measurement signal and the reflected reference signal, estimate the hydrogen concentration based on the reflected reference signal, and calibrate the first reflected signal based on the estimated hydrogen concentration. | 03-05-2015 |
20150292956 | DISTRIBUTED TEMPERATURE SENSOR ENHANCEMENT BY STIMULATED RAMAN SUPPRESSION - A distributed temperature sensor and a method of determining temperature are described. The distributed temperature sensor includes an optical fiber to filter or remove Stokes Raman scatter and prevent stimulated Raman scatter and a light source to inject light into the optical fiber. The distributed temperature sensor also includes a photodetector to detect light energy resulting from the light injected into the optical fiber, the light energy including anti-Stokes Raman scatter and Rayleigh scatter; and a processor to determine temperature based on a ratio of the anti-Stokes Raman scatter and the Rayleigh scatter. | 10-15-2015 |
20150300891 | ATTENUATION CORRECTION FOR DISTRIBUTED TEMPERATURE SENSORS USING ANTISTOKES TO RAYLEIGH RATIO - A distributed temperature sensor, a method of determining temperature, and a processing system to compute temperature are described. The sensor includes an optical fiber disposed in an area where temperature is to be measured, a primary light source to inject light into the optical fiber, and a secondary light source to inject light into the optical fiber. The sensor additionally includes a photodetector to detect backscatter light energy from the optical fiber the backscatter light energy including Stokes Raman scatter or anti-Stokes Raman scatter and primary Rayleigh scatter resulting from the primary light source and secondary Rayleigh scatter resulting from the secondary light source, and a processor to determine temperature based on a ratio of the Stokes Raman scatter or the anti-Stokes Raman scatter and a combination of the primary Rayleigh scatter and the secondary Rayleigh scatter. | 10-22-2015 |
Patent application number | Description | Published |
20130231332 | SMALL MOLECULE INHIBITORS OF EBOLA AND LASSA FEVER VIRUSES AND METHODS OF USE - The present invention relates to compositions and methods for the treatment of infection by enveloped viruses, such as Ebola and Lassa fever viruses. | 09-05-2013 |
20140018338 | METHODS AND ASSAYS FOR TREATING FILOVIRIDAE INFECTIONS - Methods and assays for treating a subject with a filovirus infection using an agent that inhibits Niemann-Pick CI (NPCI), VPSII, VPSI6, VPSI8, VPS33A, VPS39, VPS41, BLOCISI, BLOCIS2, GNPTAB, PIKFYVE, ARHGAP23 or FIG4. Methods for screening for an agent that treats and/or prevents infection of a subject with a filovirus, where the methods comprise determining whether the agent inhibits one or more of Niemann-Pick CI (NPCI), VPSII, VPSI6, VPSI8, VPS33A, VPS39, VPS41. BLOCISI, BLOCIS2, GNPTAB, PIKFYVE, ARHGAP23 or FIG4, wherein an agent that inhibits one or more of NPCI, VPSII, VPSI6, VPSI8, VPS33A, VPS39, VPS41, BLOCISI, BLOCIS2, GNPTAB, PIKFYVE, ARHGAP23 or FIG4 is a candidate for treating and/or preventing an infection with a filovirus and wherein an agent that does not inhibit NPCI, VPSII, VPSI6, VPSI8, VPS33A. VPS39, VPS41, BLOCISI, BLOCIS2, GNPTAB, PIKFYVE, ARHGAP23 or FIG4 is not a candidate for treating and/or preventing an infection with a filovirus. | 01-16-2014 |
20140329834 | Small Molecule Inhibitors of Ebola and Lassa Fever Viruses - The present invention relates to compositions and methods for the treatment of infection by enveloped viruses, such as Ebola and Lassa fever viruses. | 11-06-2014 |
20140356354 | THERAPY FOR FILOVIRUS INFECTION - The present invention addresses a need for improved treatments for filovirus infections. | 12-04-2014 |
20160024066 | Small Molecule Inhibitors of Ebola and Lassa Fever Viruses and Methods of Use - The present invention relates to compositions and methods for the treatment of infection by enveloped viruses, such as Ebola and Lassa fever viruses. | 01-28-2016 |
Patent application number | Description | Published |
20100040916 | Methods and Systems for Generating Hydrogen From a Biomass - Methods and systems for producing hydrogen from a biomass are disclosed. In some embodiments, the method includes decomposing a biomass to produce an aqueous effluent including nitrogen species, generating ammonia from the nitrogen species, combusting the ammonia in the presence of catalysts to decompose the ammonia to hydrogen and nitrogen, and combusting a portion of the hydrogen and the nitrogen to provide heat for combusting the ammonia. In some embodiments, the system includes a bioreactor for decomposing a biomass to produce an aqueous effluent including nitrogen species, a mechanism for generating ammonia gas from the nitrogen species, a catalytic reforming reactor for converting the ammonia gas to hydrogen gas and nitrogen gas, a combustor for combusting a portion of the hydrogen gas and the nitrogen gas to provide heat for converting the ammonia gas, and a separator for isolating the hydrogen gas. | 02-18-2010 |
20100167369 | Biomass As A Sustainable Energy Source - Methods and systems for increasing the generation of methane from a biomass are disclosed. In some embodiments, the method includes the following: decomposing a biomass to produce an gaseous effluent including methane; decomposing a portion of the gaseous effluent in the presence of catalysts to form a decomposed stream including hydrogen, carbon monoxide; converting substantially all of the carbon monoxide in the decomposed stream to carbon dioxide to produce a feed stream including hydrogen and carbon dioxide; and mixing the feed stream with the biomass to facilitate decomposition of the biomass. In some embodiments, the system includes a bioreactor for generating methane from a biomass and additional devices for producing a feed stream including hydrogen and carbon dioxide that is recirculated to the bioreactor to accelerate the production of methane. The additional devices include a catalytic reforming reactor and a shift reactor. | 07-01-2010 |
20100233777 | Systems and Methods for Achieving Partial Nitrification in a Biological Nitrogen Removal Reactor - Methods of controlling a nitrification reaction in a biological nitrogen removal reactor to favor partial nitrification of ammonia to nitrite instead of complete oxidation of ammonia to nitrate are disclosed. In some embodiments, the methods include the following: maintaining a pH in the reactor within a range that promotes growth of ammonia oxidizing bacteria; maintaining a concentration of dissolved oxygen in the reactor within a range that limits the ammonia oxidizing bacteria from completing nitrification; selecting an operational solids retention time within a range suitable for maintaining increasing concentrations of the ammonia oxidizing bacteria in the reactor while reducing concentrations of nitrite oxidizing bacteria in the reactor; and increasing a concentration of free ammonia in the reactor thereby inhibiting growth of the nitrite oxidizing bacteria in the reactor. | 09-16-2010 |
20110015082 | Systems and Methods for Evaluating Operating Conditions in a Bioreactor Using Gene Expression and Abundance Tracking - Systems and methods for evaluating the operating conditions in a biological nitrogen removal reactor using gene expression and abundance tracking are disclosed. In some embodiments, the systems and methods include the following: obtaining a sample from the reactor during continuous reactor operation; expressing predetermined nitrification, denitrification, and structural genes for ammonia oxidizing bacteria contained in the sample to develop a sample genetic profile of the ammonia oxidizing bacteria; obtaining a genetic profile of a second bacteria substantially similar to the ammonia oxidizing bacteria, wherein the second bacteria was grown in a reactor having substantially optimum operating conditions; and comparing the sample genetic profile to the genetic profile of the second bacteria. | 01-20-2011 |
20110076519 | Systems and Methods for Sustainable Wastewater and Biosolids Treatment - Methods of sustainable wastewater and biosolids treatment using a bioreactor including a microbial fuel cell are disclosed. In some embodiments, the methods include the following: enriching an anode of the microbial fuel cell in the bioreactor with a substantially soluble electron acceptor; growing the bacteria in the presence of the anode enriched with a substantially soluble electron acceptor; oxidizing a substrate using the bacteria to produce free electrons; channeling the free electrons away from a terminal electron acceptor and to the enriched anode, the enriched anode serving as an electron acceptor; and carrying the free electrons from the enriched anode to a cathode of the microbial fuel cell to generate electricity. | 03-31-2011 |
20140093928 | Methods and Systems for Biologically Producing Methanol - A method for biologically producing methanol is disclosed. In some embodiments, the method includes the following: providing a biomass including ammonia oxidizing bacteria having ammonia monooxygenase enzymes and hydroxylamine oxidoreductase enzymes; feeding ammonia to the ammonia oxidizing bacteria; feeding a non-substrate-organic compound including methane to the ammonia oxidizing bacteria; feeding oxygen and reducing equivalents (in the form of hydroxylamine) to the ammonia oxidizing bacteria; oxidizing the ammonia using the ammonia monooxygenase enzymes in the ammonia oxidizing bacteria to generate hydroxylamine and oxidizing the hydroxylamine using the hydroxylamine oxidoreductase enzymes to form nitrite; and partially oxidizing the methane in the compound using the ammonia monooxygenase enzymes in the ammonia oxidizing bacteria to generate methanol. | 04-03-2014 |
20140339157 | Systems and Methods for Achieving Partial Nitrification in a Biological Nitrogen Removal Reactor - Methods of controlling a nitrification reaction in a biological nitrogen removal reactor to favor partial nitrification of ammonia to nitrite instead of complete oxidation of ammonia to nitrate are disclosed. In some embodiments, the methods include the following: maintaining a pH in the reactor within a range that promotes growth of ammonia oxidizing bacteria; maintaining a concentration of dissolved oxygen in the reactor within a range that limits the ammonia oxidizing bacteria from completing nitrification; selecting an operational solids retention time within a range suitable for maintaining increasing concentrations of the ammonia oxidizing bacteria in the reactor while reducing concentrations of nitrite oxidizing bacteria in the reactor; and increasing a concentration of free ammonia in the reactor thereby inhibiting growth of the nitrite oxidizing bacteria in the reactor. | 11-20-2014 |
20160122213 | Systems and Methods for Achieving Partial Nitrification in a Biological Nitrogen Removal Reactor - Methods of controlling a nitrification reaction in a biological nitrogen removal reactor to favor partial nitrification of ammonia to nitrite instead of complete oxidation of ammonia to nitrate are disclosed. In some embodiments, the methods include the following: maintaining a pH in the reactor within a range that promotes growth of ammonia oxidizing bacteria; maintaining a concentration of dissolved oxygen in the reactor within a range that limits the ammonia oxidizing bacteria from completing nitrification; selecting an operational solids retention time within a range suitable for maintaining increasing concentrations of the ammonia oxidizing bacteria in the reactor while reducing concentrations of nitrite oxidizing bacteria in the reactor; and increasing a concentration of free ammonia in the reactor thereby inhibiting growth of the nitrite oxidizing bacteria in the reactor. | 05-05-2016 |
Patent application number | Description | Published |
20090096392 | PULSE WIDTH MODULATION BASED LED DIMMER CONTROL - Methods and apparatus for implementing and operating pulse width modulation based LED dimmer controllers are described. A synchronization protocol is used to allow control information for the dimmer operations to be transferred to the PWM dimmer control clock domain from an external clock domain, such that visual artifacts are prevented when the control information is updated. Control information may be transferred to the LED dimmer controller via an I2C serial bus, and the synchronization protocol waits for an I2C STOP condition before updating control information across clock domain boundaries. The leading and trailing edges of an asserted group dimmer control signal are generated such that the active portion of the group dimmer control signal overlaps the active portion of individual LED pulse width modulated control signals. In this way, the pulse width modulation of the individual LED control signals is not cut off, or reduced in width by the group dimmer signal. | 04-16-2009 |
20090121756 | PSEUDO-SYNCHRONOUS SMALL REGISTER DESIGNS WITH VERY LOW POWER CONSUMPTION AND METHODS TO IMPLEMENT - Methods and apparatus for implementing and operating one or more pseudo-synchronous registers with reduced power consumption, and reduced complexity for transferring data between clock domains. Various embodiments of the present invention replace conventional continuous clocking schemes with a strobe signal that is only generated when a data transfer operation with the one or more pseudo-synchronous registers is to take place. The strobe signal is generated so as to have a duration of one full cycle of the clock signal which defines the clock domain in which the at least one pseudo-synchronous register resides. | 05-14-2009 |
20100001786 | CLOCK GENERATION FOR MEMORY ACCESS WITHOUT A LOCAL OSCILLATOR - A method of accessing electronic memory is provided in electronic circuits where it is desired to lower power consumption and hence there is no active oscillator at the time when access to data within the electronic memory is required. The invention provides a method therefore for accessing the electronic memory from a controller, which generates its own clock signals from a data, communications bus electrically coupled to the controller. Advantageously the method allows for memory access to be continued in integrated circuits where a subset of circuits are powered down to reduce power consumption, and one of the subset of circuits is an oscillator. | 01-07-2010 |
Patent application number | Description | Published |
20150057346 | METHODS OF MAINTAINING INTRAMUSCULAR MYOGLOBIN LEVELS, MAINTAINING MAXIMAL AEROBIC CAPACITY, AND ENHANCING THE OXIDATIVE CAPACITY OF MUSCLE IN A SUBJECT - Methods of maintaining intramuscular myoglobin levels, maintaining maximal aerobic capacity, and enhancing the oxidative capacity of muscle in a subject in need thereof are provided. Generally, the methods include administering an effective amount of β-hydroxy-β-methylbutyrate to the subject. The β-hydroxy-β-methylbutyrate may be administered as part of a nutritional composition. | 02-26-2015 |
20150057350 | FIBROSIS BIOMARKERS AND METHODS OF USING SAME - Methods and systems for using fibrosis biomarkers associated with a prolonged period of physical inactivity are provided. Also provided is a method of reducing the effect of prolonged physical inactivity on the development of fibrosis in a subject who is experiencing or is expected to experience prolonged physical inactivity in the near future by administering a therapeutically effective amount of a leucine metabolite (e.g., β-hydroxy-β-methylbutyric acid (HMB)) to the subject. | 02-26-2015 |
20160022617 | TREATMENT OF INSULIN RESISTANCE ASSOCIATED WITH PROLONGED PHYSICAL INACTIVITY - Insulin resistance biomarkers and related methods of using the biomarkers are provided. The biomarkers may be blood biomarkers and include C-peptide, Insulin-Like Growth Factor-Binding Protein 2 (IGFBP-2), and Leptin. Also provided is a method of reducing the effect of prolonged physical inactivity on insulin resistance in a subject who is experiencing prolonged physical inactivity, or who is expected to experience prolonged physical inactivity in the near future. | 01-28-2016 |
Patent application number | Description | Published |
20090300976 | HYBRID ENERGY CONVERSION SYSTEM AND PROCESSES - Disclosed are flexible hybrid conversion systems that can be used with a wide spectrum of resources and feedstock. The disclosed systems can be sufficiently versatile to provide many added value products including clean energy, synthetic fuels and chemical products. Processes and system disclosed herein can produce, for example, shaft power and/or electricity from the expansion of species change of hot, hydrogen-laden syngas produced by gasification or steam reforming of inferior feedstock such as coal, bitumen, tar from sands and wastes, including biomass, municipal solid waste (MSW) sewage sludge and certain industrial wastes. This disclosure also teaches innovative system thermal integration methods of endothermic and exothermic processes and reaction enhancement approaches for the economic, clean and flexible production of synthetic gaseous and liquid fuels as well as chemicals. | 12-10-2009 |
20120094198 | Gasifier Having Integrated Fuel Cell Power Generation System - A direct carbonaceous material to power generation system integrates one or more solid oxide fuel cells (SOFC) into a fluidized bed gasifier. The fuel cell anode is in direct contact with bed material so that the H | 04-19-2012 |
20120111109 | Solids Circulation System and Method for Capture and Conversion of Reactive Solids - A solids circulation system receives a gas stream containing char or other reacting solids from a first reactor. The solids circulation system includes a cyclone configured to receive the gas stream from the first reactor, a dipleg from the cyclone to a second reactor, and a riser from the second reactor which merges with the gas stream received by the cyclone. The second reactor has a dense fluid bed and converts the received materials to gaseous products. A conveying fluid transports a portion of the bed media from the second reactor through the riser to mix with the gas stream prior to cyclone entry. The bed media helps manipulate the solids that is received by the cyclone to facilitate flow of solids down the dipleg into the second reactor. The second reactor provides additional residence time, mixing and gas-solid contact for efficient conversion of char or reacting solids. | 05-10-2012 |
20140252276 | SYSTEM AND METHOD FOR SYNGAS CLEAN-UP - A system and method for processing unconditioned syngas first removes solids and semi-volatile organic compounds (SVOC), then removes volatile organic compounds (VOC), and then removes at least one sulfur containing compound from the syngas. Additional processing may be performed depending on such factors as the source of syngas being processed, the products, byproducts and intermediate products desired to be formed, captured or recycled and environmental considerations. | 09-11-2014 |
20140296586 | SYSTEM AND METHOD FOR FLEXIBLE CONVERSION OF FEEDSTOCK TO OIL AND GAS - A feedstock flexible process for converting feedstock into oil and gas includes (i) indirectly heated hydrous devolatilization of volatile feedstock components, (ii) indirectly heated thermochemical conversion of fixed carbon feedstock components, (iii) heat integration and recovery, (iv) vapor and gas pressurization, and (v) vapor and gas clean-up and product recovery. A system and method for feedstock conversion includes a thermochemical reactor integrated with one or more hydrous devolatilization and solids circulation subsystems configured to accept a feedstock mixture, comprised of volatile feedstock components and fixed carbon feedstock components, and continuously produce a volatile reaction product stream therefrom, while simultaneously and continuously capturing, transferring, and converting the fixed carbon feedstock components to syngas. | 10-02-2014 |
20150147667 | Gasifier Having Integrated Fuel Cell Power Generation System - A direct carbonaceous material to power generation system integrates one or more solid oxide fuel cells (SOFC) into a fluidized bed gasifier. The fuel cell anode is in direct contact with bed material so that the H | 05-28-2015 |
20150184091 | Solids Circulation System and Method For Capture and Conversion of Reactive Solids - A solids circulation system receives a gas stream containing char or other reacting solids from a first reactor. The solids circulation system includes a cyclone configured to receive the gas stream from the first reactor, a dipleg from the cyclone to a second reactor, and a riser from the second reactor which merges with the gas stream received by the cyclone. The second reactor has a dense fluid bed and converts the received materials to gaseous products. A conveying fluid transports a portion of the bed media from the second reactor through the riser to mix with the gas stream prior to cyclone entry. The bed media helps manipulate the solids that is received by the cyclone to facilitate flow of solids down the dipleg into the second reactor. The second reactor provides additional residence time, mixing and gas-solid contact for efficient conversion of char or reacting solids. | 07-02-2015 |
20150275111 | System and Method for Processing Raw Gas with In-Situ Catalyst Regeneration - A system and method for improving the quality of a raw gas or raw syngas passes the raw gas or raw syngas past a catalytic element comprising catalyst with an optional sorbent. A downstream measurement of one or more parameters of the improved gas is fed back to a controller configured to regulate the regeneration of the catalyst and optional sorbent and, optionally, the flow rate of the regeneration fluid to the catalytic element. The system and method are particularly suitable for improving raw syngas generated from a carbonaceous material in a fixed bed or fluidized-bed or entrained-flow gasifier. Herein, one or more undesirable syngas constituents are subject to one or more of catalytic cracking, reforming, partial oxidation and/or decomposition to promote their conversion into desirable syngas constituents. At least one catalytic element is regenerated in situ, either periodically, continuously, or in a combination of these two modes. | 10-01-2015 |
20160059176 | SYSTEM FOR SYNGAS CLEAN-UP OF SEMI-VOLATILE ORGANIC COMPOUNDS - A system and method for processing unconditioned syngas first removes solids and semi-volatile organic compounds (SVOC), then removes volatile organic compounds (VOC), and then removes at least one sulfur containing compound from the syngas. Additional processing may be performed depending on such factors as the source of syngas being processed, the products, byproducts and intermediate products desired to be formed, captured or recycled and environmental considerations. | 03-03-2016 |
20160060110 | System for Syngas Clean-Up - A system and method for processing unconditioned syngas first removes solids and semi-volatile organic compounds (SVOC), then removes volatile organic compounds (VOC), and then removes at least one sulfur containing compound from the syngas. Additional processing may be performed depending on such factors as the source of syngas being processed, the products, byproducts and intermediate products desired to be formed, captured or recycled and environmental considerations. | 03-03-2016 |
20160068392 | Method for Syngas Clean-Up of Semi-Volatile Organic Compounds - A system and method for processing unconditioned syngas first removes solids and semi-volatile organic compounds (SVOC), then removes volatile organic compounds (VOC), and then removes at least one sulfur containing compound from the syngas. Additional processing may be performed depending on such factors as the source of syngas being processed, the products, byproducts and intermediate products desired to be formed, captured or recycled and environmental considerations. | 03-10-2016 |
Patent application number | Description | Published |
20090024387 | COMMUNICATION SYSTEM NOISE CANCELLATION POWER SIGNAL CALCULATION TECHNIQUES - In order to enhance the quality of a communication signal derived from speech and noise, a filter divides the communication signal into a plurality of frequency band signals. A calculator generates a plurality of power band signals each having a power band value and corresponding to one of the frequency band signals. The power band values are based on estimating, over a time period, the power of one of the frequency band signals. The time period is different for different ones of the frequency band signals. The power band values are used to calculate weighting factors which are used to alter the frequency band signals that are combined to generate an improved communication signal. | 01-22-2009 |
20090129582 | Communication system tonal component maintenance techniques - An apparatus and method for suppressing noise is presented. The apparatus may utilize a filter bank of bandpass filters to split the input noisy speech-containing signal into separate frequency bands. To determine whether the input signal contains speech, DTMF tones or silence, a joint voice activity & DTMF activity detector (JVADAD) may be used. The overall average noise-to-signal ratio (NSR) of the input signal is estimated in the overall NSR estimator, which estimates the average noisy signal power in the input signal during speech activity and the average noise power during silence. Two indirect power measures are performed for each band, measuring a short-term power and a long-term power. The power estimation processes are adapted based on the signal activity indicated by the JVADAD. A NSR adapter adapts the NSR for each frequency band based on the long-term and short-term power measures, the overall NSR and the signal activity indicated by the JVADAD. The NSR adaptation may then be performed. The gain computer utilizes these NSR values to determine the gain factors for each frequency band. The gain multiplier may then perform the attenuation of each frequency band. Finally, the processed signals in the separate frequency bands are summed up in the combiner to produce the clean output signal. In another embodiment of the present invention, a method for suppressing noise is presented. An alternative embodiment of the present invention includes a method and apparatus for extending DTMF tones. Yet another embodiment of the present invention includes regenerating DTMF tones. | 05-21-2009 |
20100104035 | Apparatus and method for clock synchronization in a multi-point OFDM/DMT digital communications system - A multi-point communications system is set forth herein. The communications system comprises a transmitter for transmitting OFDM/DMT symbols over a predetermined number of bins across a transmission medium. The OFDM/DMT symbols are generated using at least one timing signal. At least one of the predetermined number of bins includes a pilot tone sub-symbol having a frequency corresponding to the clock signal. The communications system also includes a receiver for receiving the OFDM/DMT symbols from the transmission medium. The receiver demodulates the received symbols using at least one timing signal. The receiver has a first pilot tone search mode of operation in which the receiver adjusts its timing signal to scan the frequency range of the predetermined number of bins looking for the pilot tone sub-symbol and identifies the bin including the pilot tone sub-symbol. The receiver further has a subsequent second pilot tone acquisition mode in which the receiver adjusts the timing signal to receive the identified bin containing the pilot tone sub-symbol and measures phase differences between successive pilot tone sub-symbols to thereby perform a further adjustment of the timing signal so that the pilot tone sub-symbol is received within a frequency range sufficient for subsequent phase locked loop processing thereof. | 04-29-2010 |
20120219044 | APPARATUS AND METHOD FOR CLOCK SYNCHRONIZATION IN A MULTI-POINT OFDM/DMT DIGITAL COMMUNICATIONS SYSTEM - A multi-point communications system is set forth herein. The communications system includes a transmitter for transmitting OFDM/DMT symbols over a predetermined number of bins across a transmission medium. The OFDM/DMT symbols are generated using at least one timing signal. At least one of the predetermined number of bins includes a pilot tone sub-symbol having a frequency corresponding to a clock signal. The communications system may also include a receiver for receiving the OFDM/DMT symbols via the transmission medium. The receiver demodulates the received symbols using at least one timing signal. | 08-30-2012 |
Patent application number | Description | Published |
20090107506 | MASK ASSEMBLY - Embodiments of the present invention provide a device, system and method for providing mask assemblies for use in the treatment of respiratory conditions and in assisted respirations. In an embodiment of the invention, a respiratory mask assembly can include a mask shell assembly, an inlet connector, a mask cushion and an adjustable forehead support. The mask shell assembly can include a central shell body with an inlet aperture for receiving a delivered amount of gas, and a rear mating edge. The inlet connector can include at least one non-circular exhalation port and can be rotatably disposed around the inlet aperture of the central shell body. The mask cushion can have a front mating edge for attaching it to the central shell body. The adjustable forehead support can have an extension bar, at least one forehead pad, and at least one locking tab that can be coupled to the central shell body. | 04-30-2009 |
20090159084 | SYSTEM, METHOD AND VENTILATION INTERFACE FOR PROVIDING PRESSURIZED BREATHABLE GAS TO THE MOUTH AND NOSE SEPARATELY - In accordance with at least one exemplary embodiment, a ventilation system for providing gas under a first pressure to the nose of a user and second pressure to the mouth of a user is disclosed. A ventilation system can include a flow generator that can be connected to a gas supply tube. The gas supply tube can be in fluid communication with a ventilation interface. At least a portion of the gas supply tube can have a divider within the channel of the tube forming a nasal passageway and an oral passageway. A nasal breathing chamber and an oral breathing chamber can be defined in the ventilation interface. The nasal breathing chamber can be in fluid communication with the nasal passageway. The oral breathing chamber can be in fluid communication with the oral passageway. | 06-25-2009 |
20100089399 | RESPIRATORY SECRETION RETENTION DEVICE, SYSTEM AND METHOD - A novel and non-obvious apparatus, system, and method for managing respiratory secretions and fluids in sections of artificial airways. In an embodiment of the invention, a respiratory secretion retention (RSR) device configured to connect to an artificial airway can be provided. The respiratory secretion retention (RSR) device can include a housing that defines a passageway for the flow of respiratory gases, a chamber that is defined by the housing, where a portion of the chamber is configured to retain exhaled respiratory particulate and liquid, and at least one element configured to provide for repositioning at least a portion of the housing with respect to the artificial airway. In an aspect of this embodiment, the at least a portion of the housing can be repositioned with respect to the artificial airway without opening the artificial airway to the atmosphere. | 04-15-2010 |
20100154797 | RESPIRATORY SECRETION RENTENTION DEVICE, SYSTEM AND METHOD - A novel and non-obvious apparatus, system, and method for managing respiratory secretions and fluids in sections of artificial airways. In an embodiment of the invention, a respiratory secretion retention (RSR) device configured to fluidly connect to an artificial airway can be provided. The respiratory secretion retention (RSR) device can include a housing that defines a passageway for the flow of respiratory gases, a chamber defined by the housing with a portion of the chamber configured to retain exhaled respiratory particulate and liquid, a patient side port coupled with the housing, which is in fluid communication with an artificial airway and at least one access port coupled with the housing were the at least one access port includes a control valve. In an aspect of this embodiment, the housing further can include an instillation port. | 06-24-2010 |
20110067699 | RESPIRATORY SECRETION RETENTION DEVICE, SYSTEM AND METHOD - An apparatus, system, and method for managing respiratory secretions and fluids in sections of artificial airways. In an embodiment of the invention, a respiratory secretion retention (RSR) device configured to fluidly connect to an artificial airway can be provided. The device can include a housing that defines a passageway for the flow of respiratory gases with at least two chambers coupled to the housing. The chambers are configured to retain exhaled respiratory particulate and liquid. The respiratory secretion retention device further includes a patient port coupled to the housing that is in fluid communication with the artificial airway and a repositionable barrier configured to isolate at least one of the two chambers from the passageway. In another embodiment, a secretion removal assembly can connect to a respiratory secretion retention device; the secretion removal assembly includes a connector configured for connecting to a port of the respiratory secretion retention device and a spike coupled to the connector. | 03-24-2011 |
20110232649 | ADJUSTABLE NASAL PRONG AND HEADGEAR ASSEMBLY - The invention is directed to a ventilation interface, which includes a cannula having one or more nasal prongs, a ventilation tube connected to the cannula and headgear. The cannula is secured onto the patient through one or more arced couplers positioned between the cannula and headgear. The cannula has a first side wall, a second side wall and a top wall which form a reservoir. The top wall includes a first portion, a second portion and a notch positioned between the first portion and second portion. The ventilation tube includes one or more bleed ports and provides breathable gas to a patient. The headgear includes a first strap and a second strap. The first strap includes a first portion and second portion that contains two or more slots to connect the second strap. Each portion of the first strap includes an inner layer and an outer layer. | 09-29-2011 |
20120012114 | HYBRID VENTILATION MASK WITH NASAL INTERFACE AND METHOD FOR CONFIGURING SUCH A MASK - A nasal ventilation interface and method for providing nasal ventilation to a patient includes a hybrid face mask, covering only the mouth, coupled with removable nasal inserts extending from the upper surface of the mask. The nasal interface has modular, removable, and disposable nasal pillows connecting the upper surface of the mouth-portion of the mask to the user's nares. Each part of the hybrid mask is modular and can be formed in various shapes and sizes. The ventilation interface has differing gas line entry ports and can be shallow with a relatively deep soft facial interface or deep with a relatively shallow facial interface. In either case, the upper surface receives the nasal interface. The upper surface can have a removable ceiling in which is defined a nasal interface connector. The nasal interface can be integral with a removable ceiling. The entire hybrid mask can be made in one piece. | 01-19-2012 |
20120305002 | VENTILATION INTERFACE - A respiration assist mask having an input gas feed tube, a ventilation interface, a facial interface and nasal inserts. The gas feed tube can connect to the ventilation interface and form a seal. The ventilation interface may be joined with the facial interface to form a seal between the ventilation interface and the facial interface, as well as between the facial interface and the face of a user. Additionally, nasal inserts may be inserted into a portion of the facial interface and form a seal between the inserts and the facial interface. | 12-06-2012 |
20140311493 | HYBRID VENTILATION MASK WITH NASAL INTERFACE AND METHOD FOR CONFIGURING SUCH A MASK - A nasal ventilation interface and method for providing nasal ventilation to a patient includes a hybrid face mask, covering only the mouth, coupled with removable nasal inserts extending from the upper surface of the mask. The nasal interface has modular, removable, and disposable nasal pillows connecting the upper surface of the mouth-portion of the mask to the user's nares. Each part of the hybrid mask is modular and can be formed in various shapes and sizes. The ventilation interface has differing gas line entry ports and can be shallow with a relatively deep soft facial interface or deep with a relatively shallow facial interface. In either case, the upper surface receives the nasal interface. The upper surface can have a removable ceiling in which is defined a nasal interface connector. The nasal interface can be integral with a removable ceiling. The entire hybrid mask can be made in one piece. | 10-23-2014 |
Patent application number | Description | Published |
20100004481 | L-THREONINE DERIVATIVES OF HIGH THERAPEUTIC INDEX - The present invention is directed to a derivative comprised of an L-Threonine bonded to a medicament or drug having a hydroxy, amino, carboxy or acylating derivative thereon. The derivative has the same utility as the drug from which it is made, but it has enhanced therapeutic properties. In fact, the derivatives of the present invention enhance at least one or more therapeutic qualities, as defined herein. The present invention is also directed to pharmaceutical compositions containing same. | 01-07-2010 |
20100069446 | L-THREONINE DERIVATIVES OF HIGH THERAPEUTIC INDEX - The present invention is directed to a derivative comprised of an L-Threonine bonded to a medicament or drug having a hydroxy, amino, carboxy or acylating derivative thereon. The derivative has the same utility as the drug from which it is made, but it has enhanced therapeutic properties. In fact, the derivatives of the present invention enhance at least one or more therapeutic qualities, as defined herein. The present invention is also directed to pharmaceutical compositions containing same. | 03-18-2010 |
20100069489 | L-THREONINE DERIVATIVES OF HIGH THERAPEUTIC INDEX - The present invention is directed to a derivative comprised of an L-Threonine bonded to a medicament or drug having a hydroxy, amino, carboxy or acylating derivative thereon. The derivative has the same utility as the drug from which it is made, but it has enhanced therapeutic properties. In fact, the derivatives of the present invention enhance at least one or more therapeutic qualities, as defined herein. The present invention is also directed to pharmaceutical compositions containing same. | 03-18-2010 |
20110275713 | Acetylated amino acids as Anti-platelet agents, Nutritional And Vitamin Supplements - This invention relates to pharmaceutical compounds and nutritional supplements that are acetylated derivatives of naturally occurring amino acids and acetylated derivatives of peptides derived from naturally occurring amino acids containing hydroxyl groups. They are as useful as anti-platelet drugs, and as nutritional supplements. | 11-10-2011 |
20110312890 | ACETYLATED AMINO ACIDS AS ANTI-PLATELET AGENTS, NUTRITIONAL AND VITAMIN SUPPLEMENTS - This invention relates to pharmaceutical compounds and nutritional supplements that are acetylated derivatives of naturally occurring amino acids and acetylated derivatives of peptides derived from naturally occurring amino acids containing hydroxyl groups. They are as useful as anti-platelet drugs, and as nutritional supplements. | 12-22-2011 |
20120289471 | NOVEL COMPOUNDS WITH HIGH THERAPEUTIC INDEX - The present invention is directed to novel therapeutic compounds comprised of an amino acid bonded to a medicament or drug having a hydroxy, amino, carboxy or acylating derivative thereon. These high therapeutic index derivatives have the same utility as the drug from which they are made, and they have enhanced pharmacological and pharmaceutical properties. In fact, the novel drug derivatives of the present invention enhance at least one therapeutic quality, as defined herein. The present invention is also directed to pharmaceutical compositions containing same. | 11-15-2012 |
20140200256 | Acetylated amino acids as Anti-platelet agents, Nutritional And Vitamin Supplements - This invention relates to pharmaceutical compounds and nutritional supplements that are acetylated derivatives of naturally occurring amino acids and acetylated derivatives of peptides derived from naturally occurring amino acids containing hydroxyl groups. They are as useful as anti-platelet drugs, and as nutritional supplements. | 07-17-2014 |