Patent application number | Description | Published |
20090061369 | Multi-response time burner system for controlling combustion driven pulsation - A combustion system having at least one wall enclosing a combustion chamber and forming a plurality of burner or burner nozzle openings. Disposed within each of the openings is a premix burner or burner nozzle, each of which has a premixed fuel/oxidant outlet proximate the combustion chamber and a fuel/oxidant inlet distal from the combustion chamber. At least a portion of the premix burners or burner nozzles are sized to produce different fuel/oxidant delivery disturbance response times in response to a pressure disturbance within the combustion system. Differences in fuel/oxidant delivery response times are achieved by using burners or burner nozzles having different internal dimensions, different volume flow rates, and, optionally, by varying the fuel/oxidant ratios of the mixtures flowing through the burners or burner nozzles. | 03-05-2009 |
20090205490 | METHOD AND APPARATUS FOR HUMIDIFYING AIR WITH WATER VAPOR EXTRACTED FROM MOISTURE-LADEN FLUE GAS - A method and apparatus for humidifying air in which the first side of a permselective water transport membrane is contacted with water vapor laden flue gas from a combustion process having a first water vapor partial pressure and a first temperature and at least a portion of the water vapor is condensed, producing condensed water. The condensed water is transported through the membrane to the opposite side of the membrane, which is contacted with an air stream having a second water vapor partial pressure, which second water vapor partial pressure is less than the first water vapor partial pressure, and having a second temperature, which second temperature is less than the first temperature. Upon contact with the air stream, the condensed water evaporates into the air stream, resulting in a humidified air stream. | 08-20-2009 |
20110169177 | WATERLESS HUMIDIFIER FOR RESIDENTIAL AND COMMERCIAL FURNACES - A method and apparatus for humidifying residential and commercial buildings in which a flue gas generated by a residential or commercial furnace is provided to one side of a porous liquid water transport membrane and habitable space air is provided to an opposite side of the porous liquid water transport membrane in an amount sufficient to provide a habitable space air to flue gas volume flow rate ratio of at least 8.3:1. At least a portion of the water vapor in the flue gas is condensed, providing condensed liquid water which is passed through the porous liquid water transport membrane to the habitable space air side of the porous liquid water transport membrane. On the habitable space air side of the membrane, the condensed liquid water is evaporated into the habitable space air, producing humidified habitable space air which is provided to the rooms of the residential and commercial buildings. Beneficially, no supplemental water source is required for the humidification process. | 07-14-2011 |
20140174423 | WATERLESS HUMIDIFIER FOR RESIDENTIAL AND COMMERCIAL FURNACES - A method and apparatus for humidifying residential and commercial buildings in which a flue gas generated by a residential of commercial furnace is provided to one side of a porous liquid water transport membrane and habitable space air is provided to an opposite side of the porous liquid water transport membrane in an amount sufficient to provide a habitable space air to flue gas volume flow rate ratio of at least 8.3:1. At least a portion of the water vapor in the flue gas is condensed, providing condensed liquid water which is passed through the porous liquid water transport membrane to the habitable space air side of the porous liquid water transport membrane. On the habitable space air side of the membrane, the condensed liquid water is evaporated into the habitable space air, producing humidified habitable space air which is provided to the rooms of the residential and commercial buildings. Beneficially, no supplemental water source is required for the humidification process. | 06-26-2014 |
Patent application number | Description | Published |
20120268105 | APPARATUS FOR ANALOG-TO-DIGITAL CONVERSION WITH A HIGH EFFECTIVE-SAMPLE-RATE ON THE LEADING EDGE OF A SIGNAL PULSE - A method and electronic device for outputting time values and energy of an analog input signal by dynamically determining a plurality of threshold values, comparing, using a plurality of comparator circuits, the plurality of threshold values against the analog input signal, outputting, using at least one time to digital conversion circuit connected to each of the plurality of comparator circuits, a plurality of time values, each time value output when the analog input signal meets or exceeds a threshold value of the threshold values, filtering the analog input signal, performing, using an analog-to-digital conversion circuit, analog-to-digital conversion of the filtered analog input signal to generate a digital signal, and calculating, in response to receiving a trigger signal, an energy of the digital signal. | 10-25-2012 |
20120268303 | APPARATUS FOR DETECTION OF A LEADING EDGE OF A PHOTO SENSOR OUTPUT SIGNAL - A system and method for processing an analog signal output by a sensor. The system and method converting, using at least one analog-to-digital converter (ADC), the analog output signal to a digital signal, the digital signal including a plurality of samples at a predetermined resolution, detecting whether a trigger condition is met by analyzing the digital signal, detecting an event based on trigger information from the detecting whether a trigger condition is met, generating event information having time information included therein when the event is detected, defining one or more time windows based on the time information included in the event information, performing decimation on the digital signal based on the defined one or more time windows to generate a decimated signal, and outputting the decimated signal. | 10-25-2012 |
20120305784 | COUNT RATE ADAPTIVE FILTER FOR MEDICAL IMAGING SYSTEMS - Systems, devices, processes, and algorithms for adaptively filtering a signal output from a radiation detector and adaptively sampling the signal. A count rate of events detected by the radiation detector is estimated by a processing unit. An RC time constant of the filter and a sampling rate of an analog-to-digital converter are adjusted based on the estimated count rate. Events are continuously detected by the radiation detector and counted by the processing unit while the adjustable parameters (the RC time constant and the sampling rate) of the filter and the analog-to-digital converter are adjusted on the fly (in real time) to optimize an energy resolution of the detected events, while reducing degradation due to pile-up effects and improving efficiency of the analog-to-digital converter. The filter can be implemented through analog filters, digital filters, or a combination thereof. | 12-06-2012 |
20130168534 | METHOD FOR TIMING-PICK-OFF OF UNDERSAMPLED PULSES FROM RADIATION DETECTORS - A process and device for generating a prototype waveform and a weighting function. The process including obtaining waveforms generated by a detector having at least one photosensor, generating an initial estimate for the prototype waveform and the weighting function and parameterizing the prototype waveform and the weighting function and determining for each waveform an optimal amplitude and an optimal time offset of the prototype waveform. Included are steps of pairing waveforms based on the determined time offsets of the waveforms, calculating an arrival time difference for each pair of waveforms and determining a timing resolution value based on the calculated arrival time differences, determining whether the timing resolution value meets predetermined minimization criteria, and updating the set of parameters for the prototype waveform and the weighting function and repeating the determining, pairing, calculating, and determining, when the timing resolution value fails to meet the predetermined minimization criteria. | 07-04-2013 |
20140091234 | METHOD TO IMPROVE LIGHT EXTRACTION FROM SCINTILLATORS - A method to improve light extraction from scintillators in a gamma ray detector, the method including forming a roughened layer on a light-emitting surface of the scintillators, the roughened thin layer having a pillar/column or a corn-shaped structure. | 04-03-2014 |
20140110567 | DETERMINING RELATIVE TIMING OFFSET IN DIFFERENT ELECTRONIC PATHWAYS USING INTERNAL SIGNALS - A process and system including a detector having a photosensor therein that outputs a signal and a plurality of after-pulse detector devices independently connected to the photosensor via respective pathways. The after-pulse detector devices each detecting an after-pulse in the signal, where the after-pulse represents an after-event in the photosensor triggered from a previous photon generating event. The system further includes a processing device that receives an indication of the detection of the after-pulse from each of the plurality of after-pulse detector devices and determines a relative delay between the respective pathways based on timing the received indications, and includes a memory that stores the relative delay in association with an identification of the corresponding after-pulse detector devices. | 04-24-2014 |
20140110573 | METHOD AND APPARATUS FOR PHOTOSENSOR GAIN AND SCINTILLATION CRYSTAL OPTICAL COUPLING MONITORING IN RADIATION DETECTORS - A photosensor gain detection apparatus that includes a detector including a photosensor configured to output a signal. Also included in the apparatus is an after-pulse/dark-pulse detector device that detects an after-pulse or a dark-pulse in the signal output by the photosensor, and outputs an indication signal when the after-pulse or the dark-pulse is detected, the after-pulse and the dark-pulse representing after-events in the photosensor triggered from a previous photon generating event. The apparatus additionally includes an integrator device that integrates the signal output by the photosensor and to output an integrated signal, a histogram device connected to the integrator and the after-pulse/dark-pulse detector device, and that generates a histogram from the integrated signal and the indication signal, a gain determination device that determines a gain of the photosensor based on the generated histogram, and a memory configured to store the determined gain. | 04-24-2014 |
20140110589 | APPARATUS AND METHOD FOR IMPROVING UNIFORMITY OF PERFORMANCE IN POSITRON EMISSION TOMOGRAPHY - A method of arranging detector modules within a gamma ray detector apparatus, each detector module including an array of scintillation crystals to convert light into electrical signals, the light being generated in response to incident gamma rays generated by an annihilation event, the method including obtaining performance information of each of the detector modules, and determining a relative location for each of the detector modules within the gamma ray detector based on the obtained performance information of the detector modules. | 04-24-2014 |
20140151562 | Adaptive reflectivity for performance improvement on radiation detectors - Systems, devices, processes, and algorithms for adapting and/or adjusting a reflectivity of a reflector in a radiation detector. The reflectivity can be changed by a reflectivity control signal that is generated based on an estimated count rate of events so as to adjust a probability of a photosensor detecting light resulting from the event via, for example, a scintillation event. By adjusting the probability, an energy resolution of the radiation detector can be optimized. The reflectivity of a reflector can be changed by changing a state of a thin film, a liquid crystal layer, or a suspended magnetic particle layer. | 06-05-2014 |
20140361191 | APPARATUS, METHOD, COMPUTER-READABLE MEDIUM, AND SYSTEM FOR ADJUSTING DATA ACQUISITION PARAMETERS DURING A SCAN PERFORMED BY A POSITRON EMISSION TOMOGRAPHY SCANNER - An apparatus, method, computer-readable medium, and system for adjusting data acquisition parameters during a scan performed by a Positron Emission Tomography (PET) scanner. The method includes obtaining, during the scan, a current temperature of a detector of the PET scanner, and adjusting, based on the current temperature, the data acquisition parameters used by the PET scanner during the scan. | 12-11-2014 |
20150014519 | DETERMINING RELATIVE TIMING OFFSET IN DIFFERENT ELECTRONIC PATHWAYS USING INTERNAL SIGNAL - A process and system including a detector having a photosensor therein that outputs a signal and a plurality of after-pulse detector devices independently connected to the photosensor via respective pathways. The after-pulse detector devices each detecting an after-pulse in the signal, where the after-pulse represents an after-event in the photosensor triggered from a previous photon generating event. The system further includes a processing device that receives an indication of the detection of the after-pulse from each of the plurality of after-pulse detector devices and determines a relative delay between the respective pathways based on timing the received indications, and includes a memory that stores the relative delay in association with an identification of the corresponding after-pulse detector devices. | 01-15-2015 |
Patent application number | Description | Published |
20130153464 | PROCESS FOR REMOVING REFRACTORY NITROGEN COMPOUNDS FROM VACUUM GAS OIL - A process for removing a refractory nitrogen compound from a hydroprocessed vacuum gas oil feed includes contacting the hydroprocessed vacuum gas oil feed comprising the nitrogen compound with a VGO-immiscible phosphonium ionic liquid to produce a hydroprocessed vacuum gas oil and VGO-immiscible phosphonium ionic liquid mixture, and separating the mixture to produce a hydroprocessed vacuum gas oil effluent having a reduced refractory nitrogen compound content relative to the vacuum gas oil feed. | 06-20-2013 |
20130153470 | EXTRACTION OF POLYCYCLIC AROMATIC COMPOUNDS FROM PETROLEUM FEEDSTOCKS USING IONIC LIQUIDS - The present invention involves a process for removing one or more polycyclic aromatic hydrocarbon compounds from a vacuum gas oil comprising contacting the vacuum gas oil with a vacuum gas oil-immiscible phosphonium ionic liquid to produce a mixture comprising the vacuum gas oil and the vacuum gas oil-immiscible phosphonium ionic liquid; and separating the mixture to produce a vacuum gas oil effluent and a vacuum gas oil-immiscible phosphonium ionic liquid effluent, the vacuum gas oil-immiscible phosphonium ionic liquid effluent comprising the polycyclic aromatic hydrocarbon compound. | 06-20-2013 |
20130153759 | METHODS FOR EVALUATING FUEL COMPOSITIONS - Methods for evaluating a fuel are provided. In one embodiment, a method of evaluating a fuel includes providing a testing specimen of the fuel. Also, the method includes analyzing the testing specimen and identifying a compound in the testing specimen. The method also provides for determining the fuel is biologically-sourced based on the identified trace compound. | 06-20-2013 |
20130158890 | METHODS FOR EVALUATING GREEN DIESEL FUEL COMPOSITIONS - Methods for evaluating a diesel fuel are provided. In one embodiment, a method of evaluating a diesel fuel includes obtaining a testing sample from the diesel fuel and analyzing the testing sample to detect an amount of at least one selected component. The method also provides for determining if the diesel fuel is green depending on either detection of at least one selected component in the testing sample or observation of at least one non-normal molecular class distribution in the testing sample. Further, the specific component can indicate the specific biological feedstock used to produce the green diesel based on the molecular fingerprinting database. | 06-20-2013 |
20130338410 | METHODS FOR PRODUCING LINEAR ALKYLBENZENES FROM BIO-RENEWABLE FEEDSTOCKS - A method for producing a linear alkylbenzene product from a bio-renewable feedstock having a mixture of naturally-derived hydrocarbons includes separating the mixture of naturally-derived hydrocarbons into a naphtha portion and a distillate portion, reforming the naphtha portion, and using a high purity aromatics recovery process on the reformed naphtha portion to produce benzene. The method further includes separating a normal paraffins portion from the distillate portion and dehydrogenating the normal paraffins portion to produce mono-olefins. Still further, the method includes reacting the benzene and the mono-olefins to produce the linear alkylbenzene product. | 12-19-2013 |
20140001088 | PROCESS FOR REMOVING SULFUR COMPOUNDS FROM VACUUM GAS OIL | 01-02-2014 |
20140001091 | HYDROCARBON CONVERSION PROCESS | 01-02-2014 |
20140001092 | HYDROCARBON CONVERSION PROCESS TO REMOVE METALS | 01-02-2014 |
20140001093 | HYDROCARBON CONVERSION PROCESS | 01-02-2014 |
20140001094 | HYDROCARBON CONVERSION PROCESS TO REMOVE CARBON RESIDUE CONTAMINANTS | 01-02-2014 |
20140001099 | PROCESS FOR REMOVING SULFUR COMPOUNDS FROM VACUUM GAS OIL | 01-02-2014 |
20140005451 | DECONTAMINATION OF DEOXYGENATED BIOMASS-DERIVED PYROLYSIS OIL USING IONIC LIQUIDS | 01-02-2014 |
Patent application number | Description | Published |
20090324582 | PROCESS FOR IDENTIFICATION OF MOLECULAR MIMICRY AND THE USES THEREOF - The present invention discloses a process for simple and rapid detection and identification of molecular mimicry or mimic antigens or molecules existing in/on humans, animals and plants. The molecular mimicry can be related to infections, autoimmune diseases, cancers, obesity and other disorders. Therefore, novel methods for the diagnosis, prevention, and treatment of infections, autoimmune diseases, cancers, obesity and other disorders obtainable based on these mimic antigens or molecules can be developed. Furthermore, the present invention also reveals a new functional mechanism of vaccine and passive immunity and novel vaccines obtainable based on the new mechanism. | 12-31-2009 |
20110085981 | GLYCAN-BASED DRUGS, THERAPIES AND BIOMARKERS - The present disclosure discloses simple and efficient glycan- or carbohydrate-based processes or methods for the rapid identification of biological markers and therapeutic targets especially glycan-related targets of infectious diseases, cancers, autoimmune diseases, allergies, inflammation, toxicity, obesity and/or other disorders of humans, animals, plants and other organisms. Therefore, novel methods and products for the diagnosis, prevention, and treatment of such diseases obtainable based on these therapeutic targets can be developed. | 04-14-2011 |
Patent application number | Description | Published |
20080315079 | Symbia Head Position Correction: Apparatus and Method - A system and method provide for more accurate SPECT/CT image registration. CT data is utilized to establish a global spatial coordinate system of a common test phantom. The common test phantom is then used to obtain a set of point source nuclear images. Three-dimensional CT point source data is mapped to a two-dimensional image plane of corresponding point source data, to obtain a pair of intersecting projection cones that are used to obtain a set of detector head position correction parameters to correct detector head positioning in the CT coordinate system when obtaining SPECT projection images of the same object. | 12-25-2008 |
20090141852 | Method For Generation of SPECT Trajectory Data From CT Data - A method for optimizing the scanning trajectory of a radiation detector device, e.g., a SPECT scanning device, about an object generally includes: obtaining object image data using a different imaging modality, e.g., a CT scanning device, determining a maximum object boundary based on the image data, calculating an optimal scan trajectory of the SPECT scanning device relative to the object based on the maximum object boundary, scanning the object with the SPECT scanning device along the optimal scan trajectory to detect gamma photons emanating from the object, from which an image can be reconstructed from the detected gamma photons. Preferably, the SPECT device includes at least two detectors arranged at a pre-selected angle relative to one another and the optimal scan trajectory minimizes the distance between the detectors and the object while maximizing the geometric efficiency of the detectors relative to the object. | 06-04-2009 |
20100148046 | METHOD FOR COLLABORATIVE TUNING OF GAMMA CAMERA - A system and tuning method to collaboratively calibrate high voltage DAC values and Photomultiplier Tube DAC values of photomultiplier tubes of a gamma camera so that the detector produces a valid energy spectrum over the entire detector surface. A method for tuning a gamma camera having a plurality of photosensors, exposes the photosensors to scintillation photons corresponding to nuclear radiation of known energy; measures an energy output corresponding to each specific photosensor; calculates an average enemy output of all photosensors in the camera; collaboratively adjusts a DAC value corresponding to a voltage applied to a specific photosensor and a DAC | 06-17-2010 |
Patent application number | Description | Published |
20120101931 | SYSTEM AND METHOD FOR IMPLEMENTING AND MANAGING BUNDLED OPTION BOX FUTURES - A system and method of providing a collateralized loan utilizing a clearing counterparty is disclosed. The method includes receiving an order at a match engine module, the order related to a futures contract based on an options box spread as the deliverable asset such that the futures contract represents a collateralized loan and such that the order includes an interest rate associated with the collateralized loan, analyzing, at the match engine, the order to determine a strike interval, scanning an order book module in communication with the match engine module, such that the scan is based on the determined strike interval, and automatically defining a first pair of options at a first strike price and a second pair of options at a second strike price, such that the determined strike interval defines the first and second strike prices, such that the first and second pair of options cooperate to define the option box spread. | 04-26-2012 |
20120109808 | PERIODIC RESET TOTAL RETURN INDEX FUTURES CONTRACTS - A periodic reset total return index may be based on a standard index, such as an equity index. The value of the periodic reset total return index may be the sum of the standard index plus the income flow generated by the index, such as dividends generated by stocks. The periodic reset total return index valuation may be deployed as the basis for a futures contract. On a periodic basis, the income flow accrued for the preceding period are passed from the short to the long position holder, with a corresponding adjustment of the settlement price of the contract. The expiration of the contract may be settled at the sum of the underlying index quotation plus the income flow accrual for the previous period. A buyer of a futures contract based on a periodic reset total return index receives the performance of the index plus the intervening income flow accrual. | 05-03-2012 |
20130211996 | SYSTEM AND METHOD FOR IMPLEMENTING AND MANAGING BUNDLED OPTION BOX FUTURES - A system and method of providing a collateralized loan utilizing a clearing counterparty is disclosed. The system includes a match engine module to receive an order for a bundled box spread future representative of the collateralized loan via an options box spread. The order specifies an interest rate associated with the collateralized loan as the price of the futures contract. A trade database identifies a bundled box spread future associated with the received order and interest rate and an order book module identifies a standing order that is compatible with the received order. A clearing module credits an account with a loan amount based on the identified bundled option box future. A risk management module credits a margin amount to reflect the collateralized loan and associated collateral assets. | 08-15-2013 |
20140081818 | Matched Order Fulfillment with Linear Optimization - A method for matching compound orders from a group of market participants includes receiving, via a communication network, compound order data, the compound order data specifying a maximum amount of a financial instrument of a plurality of financial instruments to be bought or sold by each market participant, accessing a memory in which price data is stored, the price data indicating a current price of each financial instrument, implementing, with a processor, a linear solver to maximize fulfillment of the compound orders via order matching for execution at the current prices in accordance with the maximum amounts specified in the compound order data and in accordance with a maximum net risk exposure level for each market participant arising from the fulfillment of the compound orders, and transmitting trade data indicative of the order matching for execution of trades among the market participants at the current prices. | 03-20-2014 |
Patent application number | Description | Published |
20120196835 | ENZYME INHIBITING COMPOUNDS AND METHODS - The invention provides compounds, compositions, and methods for studying the Rohmer pathway and for treating bacterial infections or parasitic infections. The parasitic infection can be a protozoan infection, such as malaria. The compounds and compositions can also be used as antibiotics, for example, to kill bacteria or parasites, or to inhibit bacterial or parasite growth. The invention further provides inhibitors of isoprenoid biosynthesis enzymes, and methods of inhibiting the activity of isoprenoid biosynthesis enzymes. The compounds can be, for example, alkynes or allenes that bind to a unique Fe of an Fe4S4 cluster of an isoprenoid biosynthesis enzyme. | 08-02-2012 |
20140100198 | ENZYME INHIBITING COMPOUNDS AND METHODS - The invention provides compounds, compositions, and methods for studying the Rohmer pathway and for treating bacterial infections or parasitic infections. The parasitic infection can be a protozoan infection, such as malaria. The compounds and compositions can also be used as antibiotics, for example, to kill bacteria or parasites, or to inhibit bacterial or parasite growth. The invention further provides inhibitors of isoprenoid biosynthesis enzymes, and methods of inhibiting the activity of isoprenoid biosynthesis enzymes. The compounds can be, for example, alkynes or allenes that bind to a unique Fe of an Fe | 04-10-2014 |
Patent application number | Description | Published |
20130336443 | SPARSE AND ENERGY DISCRIMINATING COLLIMATED DETECTOR ELEMENTS TO ASSIST SCATTER EVALUATION IN CT IMAGING - A computed-tomography apparatus that includes a CT scanner including an X-ray source and a detector covering respective angle ranges in the axial and transaxial planes of the CT scanner. The CT detector includes first detector elements disposed on a first surface to capture incident X-ray photons emitted from the X-ray source, and second detector elements sparsely disposed on a second surface different from the first surface, the second surface being farther away from the scanner than the first surface, the second detector elements being smaller in number than the first detector elements. Each of the second detector elements is reachable only by X-ray photons originating in a small angle range around a line connecting the X-ray source and a center of the surface of the detector element, the small angle range being determined by the predetermined distance separating the first and second surfaces and a size of the detector element. | 12-19-2013 |
20130343517 | APPARATUS, DETECTOR, AND METHOD FOR APPLYING A PIXEL BY PIXEL BIAS ON DEMAND IN ENERGY DISCRIMINATING COMPUTED TOMOGRAPHY (CT) IMAGING - A Computed Tomography (CT) method, apparatus, and detector, which includes a plurality of energy-discriminating detector elements configured to capture incident X-ray photons emitted from an X-ray source. Each of the plurality of energy-discriminating detector elements of the detector is configured to have a respective bias voltage individually switched ON or OFF, based on a signal received from a controller. | 12-26-2013 |
20140105354 | SPARSE AND ENERGY DISCRIMINATING COLLIMATED DETECTOR ELEMENTS TO ASSIST SCATTER EVALUATION IN CT IMAGING - A computed-tomography apparatus that includes a CT scanner including an X-ray source and a detector covering respective angle ranges in the axial and transaxial planes of the CT scanner. The CT detector includes first detector elements disposed on a first surface to capture incident X-ray photons emitted from the X-ray source, and second detector elements sparsely disposed on a second surface different from the first surface, the second surface being farther away from the scanner than the first surface, the second detector elements being smaller in number than the first detector elements. Each of the second detector elements is reachable only by X-ray photons originating in a small angle range around a line connecting the X-ray source and a center of the surface of the detector element, the small angle range being determined by the predetermined distance separating the first and second surfaces and a size of the detector element. | 04-17-2014 |
20140233693 | APPARATUS AND METHOD FOR COUNT LOSS CALIBRATION OF PHOTON-COUNTING DETECTORS IN SPECTRAL COMPUTED TOMOGRAPHY IMAGING - A method for photon count-loss calibration in a computed-tomography (CT) scanner, including capturing incident X-ray photons via a plurality of energy-discriminating detectors, determining photon counts of the captured incident X-ray photons in a plurality of energy windows at each energy-discriminating detector, and adjusting the determined photon counts in each energy window for each energy-discriminating detector based on a pre-determined photon count-loss look-up table and the determined photon counts. | 08-21-2014 |
20140233694 | APPARATUS AND METHOD FOR ANGULAR RESPONSE CALIBRATION OF PHOTON-COUNTING DETECTORS IN SPARSE SPECTRAL COMPUTED TOMOGRAPHY IMAGING - A method for detector angular response calibration in computed-tomography (CT) comprising capturing incident X-ray photons, emitted from an X-ray source, via a plurality of energy-discriminating detectors, determining photon counts of the captured incident X-ray photons in a plurality of energy windows at each energy-discriminating detector, and adjusting the photon counts based on a pre-determined detector angular response calibration look-up table for a given view for each energy-discriminating detector at each energy window. | 08-21-2014 |
20140270056 | DYNAMIC ALIGNMENT OF SPARSE PHOTON COUNTING DETECTORS - An apparatus and method for controlling movement of a plurality of fixed detectors arranged in a computed tomography (CT) system that includes a rotating X-ray source. The method including obtaining a view angle of the X-ray source, determining a tilt angle for a detector of the plurality of detectors that is within a scan field-of-view of the X-ray source at the obtained view angle so that an outer face of the detector directly faces the X-ray source, and causing the detector to be moved to the determined tilt angle. | 09-18-2014 |
20140314196 | TILTED DETECTOR ARRAY FOR MEDICAL IMAGING SYSTEMS INCLUDING COMPUTED TOMOGRAPHY - A medical imaging system can include a frame that has a bore that has a central longitudinal axis that intersects a target area for imaging, and a radiation source to emit radiation in radial directions towards the target area to form a fan or cone of emitted radiation that irradiates a cross-section of the target area with respect to the longitudinal axis. The system can include one or more detector arrays including a plurality of detector segments that extend along a detector axis that extends in a direction that is effectively parallel to the longitudinal axis, such that radiation emitted from the radiation source passes through the target area and is incident on one or more of the detector segments. The detector segments can each include a detecting surface that is tilted such that the detecting surface has a tilt (e.g., a non-zero slope) with respect to the detector axis. | 10-23-2014 |
20140314211 | PILEUP CORRECTION METHOD FOR A PHOTON-COUNTING DETECTOR - A method and apparatus for determining a parameter vector that includes a plurality of parameters of a detector pileup model of a photon-counting detector, the detector pileup model being used for pileup correction for a spectral computed-tomography scanner. The method includes setting values of the parameters, the parameters including a dead time parameter and individual probabilities of different pileup events, the probabilities including a probability of single photon events, a probability of double quasi-coincident photon events, and a probability of at least three quasi-coincident photon events. The method include determining, using (1) a detector response model, (2) an incident spectrum, and (3) the set values of the parameter vector, a plurality of component spectra, each component spectrum corresponding to one of the individual probabilities of the different pileup events, and summing the plurality of component spectra to generate an output spectrum. | 10-23-2014 |
20140328451 | APPARATUS AND METHOD FOR DYNAMIC CALIBRATION OF SPECTRAL CT WITH ROTATING X-RAY SOURCE AND STATIONARY ENERGY DISCRIMINATING DETECTORS - An apparatus and method for dynamically calibrating a computed-tomography (CT) scanner that includes a rotating X-ray source and a plurality of stationary energy-discriminating detectors configured to capture incident X-ray photons emitted from the X-ray source. A bowtie filter with a unique geometry and material composition is used to generate reference beams of a desired intensity. The apparatus includes a processor that is configured to remove a scattering background based on data obtained from the reference beams and compute a change in a predetermined calibration function. | 11-06-2014 |
20140341333 | APPARATUS AND METHOD FOR COLLIMATING X-RAYS IN SPECTRAL COMPUTER TOMOGRAPHY IMAGING - A detector includes a photon-counting detector (PCD) layer and a cathode layer arranged adjacent to the PCD layer. The detector further includes a plurality of pixilated anodes arranged adjacent to the photon-counting detecting layer on a side opposite to the cathode layer. The detector also includes a plurality of collimator segments arranged above the cathode layer so as to block a portion of X-ray photons emitted from an X-ray source from reaching the anodes, where each collimator segment is arranged above a portion of at least one anode. | 11-20-2014 |
20140355853 | NOISE BALANCE PRE-RECONSTRUCTION DATA DECOMPOSITION IN SPECTRAL CT - More than two acquired energy or spectral M bins are used for photon counting detectors in a CT system. In the pre-reconstruction data decomposition, the measured photo counts in the M acquired spectral bines are combined into a predetermined fewer number of processed or weighted spectral bines N, which is at least two in number and represents a number of selected basic materials. Since the N basis materials are selected in the imaged subject where N12-04-2014 | |
20140376689 | APPARATUS AND METHOD FOR REDUCING X-RAY FLUX IN SPECTRAL CT - An apparatus and method for reducing the X-ray flux in a computed-tomography (CT) scanner that includes a rotating X-ray source and a plurality of stationary photon-counting detectors configured to capture incident X-ray photons emitted from the X-ray source. A bowtie filter equipped with an edge filter that can be positioned in a reconfigurable manner such that the high X-ray flux at the leading edge of an X-ray fan beam incident on the detector is reduced. The CT apparatus includes a processor that is configured to compute the displacement of the edge filter in either a static or dynamic manner such that that the intensity of X-ray flux at the detectors in within acceptable operating limits. | 12-25-2014 |
Patent application number | Description | Published |
20120011644 | Programmable Automatic Flushometer - Methods for communicating with an automatic flush valve device. The automatic flush device having a variety of operational modes which can be selected from to control the operation of the device. The communication from the automatic flush device providing a user with information regarding the status of the flush valve device. | 01-19-2012 |
20120125443 | WATER COLLECTION AND DISTRIBUTION MONITORING SYSTEM AND METHODS - The invention relates to a grey water reclamation system and methods therefor. Grey water is captured from a source, such as a sink, and stored in a main body containing a pump. The grey water is transported to a flush tank for use with a toilet. The system provides for use of a mixture of fresh water and grey water without interrupting the service to the user. Usage of grey water is maximized without completely eliminating the fresh water as a component that ensures service when grey water is unavailable. | 05-24-2012 |
20140101836 | PROGRAMMABLE AUTOMATIC FLUSHOMETER - Methods for communicating with an automatic flush valve device. The automatic flush device having a variety of operational modes which can be selected from to control the operation of the device. The communication from the automatic flush device providing a user with information regarding the status of the flush valve device. | 04-17-2014 |
20140174556 | Automatic faucets - An automatic faucet includes a housing constructed to receive at least one water inlet conduit and having a spout for delivering water. The automatic faucet includes a valve module, a sensor module, a battery module, a turbine module, and a control module. The valve module includes a valve controlled by an electromagnetic actuator for controlling the water flow from the spout. The sensor module is constructed to provide sensor data influenced by a user. The control module is constructed to control opening and closing of the valve by providing signals to the electromagnetic actuator. The control module is also constructed to receive sensor data from the sensor module and execute a sensing algorithm. The control module is also constructed to execute a power management algorithm for managing electrical power generated by the water turbine and provided to and from the battery. | 06-26-2014 |
20140246099 | Automatic faucets - An automatic faucet includes a housing forming partially an internal barrel and a faucet head and being constructed to include at least one water inlet conduit extending into said barrel and a water outlet for delivering water from a spout. The automatic faucet also includes a faucet head having a removable faucet crown and the spout, wherein the faucet crown is removably mounted to the faucet head. The automatic faucet also includes a valve module, a sensor module, a battery module, a turbine module, and a control module. The valve module includes a valve controlled by an electromagnetic actuator for controlling the water flow from the spout. The sensor module is constructed to provide sensor data influenced by a user. The control module is constructed to control opening and closing of the valve by providing signals to the electromagnetic actuator. The control module is also constructed to receive sensor data from the sensor module and execute a sensing algorithm. The control module is also constructed to execute a power management algorithm for managing electrical power generated by the water turbine and provided to and from the battery. | 09-04-2014 |
Patent application number | Description | Published |
20090169864 | HARD WATER FOAMING AGENTS AND METHODS FOR GYPSUM BOARD PRODUCTION - Compositions and methods for reducing the impact of hard water on gypsum board foaming are provided. The compositions include adding a foam to water and a calcined slurry. The foam includes water, dispersed air and a surfactant. Surfactants for use include a hydrophobic portion having an alkyl chain length distribution of about 20% to about 60% C8 chains; about 20% to about 60% C10 chains; about 14% to about 36% C12 chains and about 2% to about 20% C14 chains and also having a hydrophilic portion having about 0.2 to 3.0 ethoxy groups. | 07-02-2009 |
20090239087 | SILOXANE POLYMERIZATION IN WALLBOARD - Polymerization of siloxane is improved using a gypsum-based slurry that includes stucco, Class C fly ash, magnesium oxide and an emulsion of siloxane and water. This slurry is used in a method of making water-resistant gypsum articles that includes making an emulsion of siloxane and water, then combining the slurry with a dry mixture of stucco, magnesium oxide and Class C fly ash. The slurry is then shaped as desired and the stucco is allowed to set and the siloxane polymerizes. | 09-24-2009 |
20100055477 | SILOXANE POLYMERIZATION IN WALLBOARD - Polymerization of siloxane is improved using a gypsum-based slurry that includes stucco, Class C fly ash, magnesium oxide and an emulsion of siloxane and water. This slurry is used in a method of making water-resistant gypsum articles that includes making an emulsion of siloxane and water, then combining the slurry with a dry mixture of stucco, magnesium oxide and Class C fly ash. The slurry is then shaped as desired and the stucco is allowed to set and the siloxane polymerizes. | 03-04-2010 |
20110009564 | SILOXANE POLYMERIZATION IN WALLBOARD - Polymerization of siloxane is improved using a gypsum-based slurry that includes stucco, Class C fly ash, magnesium oxide and an emulsion of siloxane and water. This slurry is used in a method of making water-resistant gypsum articles that includes making an emulsion of siloxane and water, then combining the slurry with a dry mixture of stucco, magnesium oxide and Class C fly ash. The slurry is then shaped as desired and the stucco is allowed to set and the siloxane polymerizes. | 01-13-2011 |
20110196090 | SILOXANE POLYMERIZATION IN WALLBOARD - Polymerization of siloxane is improved using a gypsum-based slurry that includes stucco, Class C fly ash, magnesium oxide and an emulsion of siloxane and water. This slurry is used in a method of making water-resistant gypsum articles that includes making an emulsion of siloxane and water, then combining the slurry with a dry mixture of stucco, magnesium oxide and Class C fly ash. The slurry is then shaped as desired and the stucco is allowed to set and the siloxane polymerizes. The resulting product is useful for making a water-resistant gypsum panel having a core that includes interwoven matrices of calcium sulfate dihydrate crystals and a silicone resin, where the interwoven matrices have dispersed throughout them a catalyst comprising magnesium oxide and components from a Class C fly ash. | 08-11-2011 |
20120040168 | WATER RESISTANT CEMENTITIOUS ARTICLE AND METHOD FOR PREPARING SAME - A fibrous mat-faced cementitious article comprising (a) a cementitious core, and (b) a first fibrous mat comprising polymer or mineral fibers and a hydrophobic finish on at least one surface thereof, wherein the hydrophobic finish is in contact with the cementitious core, and a method of preparing a fibrous mat-faced cementitious article, as well as a method of preparing a water-resistant cementitious article comprising (a) preparing an aqueous siloxane dispersion, wherein the dispersion comprises about 4 wt. % to about 8 wt. % siloxane, (b) combining the siloxane dispersion with a cementitious mixture to provide a cementitious slurry, (c) depositing the cementitious slurry onto a substrate, and (d) allowing the cementitious slurry to harden, thereby providing a cementitious article. | 02-16-2012 |
Patent application number | Description | Published |
20110158823 | SHUTTLE PUMP WITH CONTROLLED GEOMETRY - An infusion pump uses an improved shuttle mechanism to more reliably pump liquids in low volumes for medical and other purposes. The improved shuttle uses linear translation and wider, symmetric jaws to grasp infusate tubing and pump liquid infusate through the tubing. Adjustment of the linear motion allows a user to also adjust a pumping volume of the infusion pump. Other shuttles with wider jaws may also pump infusate using a rotary motion. In addition, more than one shuttle, such as two or three shuttles, may be used to approximate continuous pumping. A series of several smaller linear shuttles with sequential actuation may be used as a linear peristaltic pump for general peristaltic pump applications. | 06-30-2011 |
20110319823 | TUBE MEASUREMENT TECHNIQUE USING LINEAR ACTUATOR AND PRESSURE SENSOR - An infusion pump uses sensors, movable members and a control unit to determine tubing thickness in a tube-loading section of the pump. The infusion pump utilizes sensors, such as a pressure sensor, to record forces imparted by a tube undergoing no pressure, a single pressure, or a pressure sweep, to determine thickness. Using these values, the tubing wall thickness can be determined. The infusion pump can also compress a tube using a movable member of the pump and records the distance traveled by the movable member to compress fully the tube. Using this distance, the tubing wall thickness can be determined. | 12-29-2011 |
20120091348 | SEGMENTED DETECTOR ARRAY - A radiation detector that includes multiple adjacent modular detector segments. Each segment includes an array of scintillation crystal elements, a light guide arranged adjacent to the array of scintillation crystal elements, and reflectors arranged around a periphery of the segment so that light produced by a scintillation event in the segment is substantially confined to the segment. In one embodiment, each segment is coupled to multiple photosensors, each photosensor receiving light from at least one of the segments. | 04-19-2012 |
20120305782 | EFFICIENT AND SERVICEABLE LIGHT GUIDE FOR PET DETECTOR - A positron emission tomography (PET) detector module includes an array of scintillation crystal elements and a plurality of photosensors arranged to at least partially cover the array of scintillation crystal elements. The photosensors are configured to receive light emitted from the array of scintillation crystal elements. The module includes a transparent adhesive arranged between the array of scintillation crystal elements and the plurality of photosensors. The transparent adhesive extends directly from a surface of at least one of the scintillation crystal elements to a surface of at least one of the photosensors and is configured to distribute the light emitted from one of the scintillation crystal elements to more than one of the photosensors. A method of manufacturing the module includes various steps utilizing a fixture. A PET scanner uses multiple modules arranged circumferentially around an area to be scanned. | 12-06-2012 |
20140103217 | EFFICIENT AND SERVICEABLE LIGHT GUIDE FOR PET DETECTOR - A positron emission tomography (PET) detector module includes an array of scintillation crystal elements and a plurality of photosensors arranged to at least partially cover the array of scintillation crystal elements. The photosensors are configured to receive light emitted from the array of scintillation crystal elements. The module includes a transparent adhesive arranged between the array of scintillation crystal elements and the plurality of photosensors. The transparent adhesive extends directly from a surface of at least one of the scintillation crystal elements to a surface of at least one of the photosensors and is configured to distribute the light emitted from one of the scintillation crystal elements to more than one of the photosensors. A method of manufacturing the module includes various steps utilizing a fixture. A PET scanner uses multiple modules arranged circumferentially around an area to be scanned. | 04-17-2014 |
20140270056 | DYNAMIC ALIGNMENT OF SPARSE PHOTON COUNTING DETECTORS - An apparatus and method for controlling movement of a plurality of fixed detectors arranged in a computed tomography (CT) system that includes a rotating X-ray source. The method including obtaining a view angle of the X-ray source, determining a tilt angle for a detector of the plurality of detectors that is within a scan field-of-view of the X-ray source at the obtained view angle so that an outer face of the detector directly faces the X-ray source, and causing the detector to be moved to the determined tilt angle. | 09-18-2014 |
Patent application number | Description | Published |
20090043901 | Bootstrapping Method For Setting Up A Security Association - In one embodiment, a method of the invention has the steps of: (A) establishing an access-layer security association (SA) between a mobile node (MN) and an authentication authorization accounting (AAA) server; (B) deriving a secondary key from an extended master session key (EMSK) corresponding to the access-layer SA; (C) providing the secondary key to a home agent; and (D) based on the secondary key, establishing an SA corresponding to an Open System Interconnection (OSI) layer higher than the access layer for securing communications between the home agent and a selected network node. In various embodiments, the selected network node can be (i) the MN, (ii) a proxy node configured on behalf of the MN, or (iii) a proxy node configured on behalf of the home agent. | 02-12-2009 |
20090061820 | Method and system of communication using extended sequence number - Described is a method by mobile equipment to communicate with a network. The method includes receiving a network authentication token having a first message authentication code, an authentication message field and a first extended sequence number that includes a first hardware identifier and first sequence number, and authenticating the network based on the first message authentication code, the first hardware identifier, and the first sequence number. | 03-05-2009 |
20110077021 | PROVIDING A LAST-SEEN MOBILE UNIT LOCATION TO A LOCATION BASED SERVICE - The present invention provides a method involving a mobile unit, a location server, a location-based application client, and a location-based application server configured to provide location-based applications. The method includes receiving, at the location server and from the location-based application server, a request from location-based application client for a current location of the mobile unit and attempting, at the location server, to determine the current location of the mobile unit. The method also includes providing, from the location server to the location-based application server, information indicating a previous location of the mobile unit when the attempt to determine the current location of the mobile unit is unsuccessful. | 03-31-2011 |
20110077027 | METHOD AND APPARATUS FOR LOCATION-BASED MOBILE POWER CONTROL - A technique to extend location-based (e.g. GPS) mobile device battery lifetime by reducing the location-based (e.g. GPS) circuitry power consumption is provided. The technique defines and controls when to start power and when to stop power to the device in the context of a mobile terminating (MT) location request and/or a mobile originated (MO) location request that is either on-demand or periodic. | 03-31-2011 |
20110158162 | Method for interworking among wireless technologies - A method is provided for interworking of mobility key management among access networks operating under different access technologies. The method is carried out by performing mobility key management by a core-network authentication server based on the access technology that a mobile terminal accessing a wireless network has selected for operation. The method of the invention defines authentication server behavior based on different access technologies and therefore solves the technology interworking issue seamlessly. The method of the invention also facilitates coexistence of more than two different access technologies without any need for each access technology to be modified in order to interwork with core network that is specified by another technology. | 06-30-2011 |
20130023301 | METHOD OF SHARING INFORMATION BETWEEN BASE STATIONS ASSOCIATED WITH DIFFERENT NETWORK TECHNOLOGIES AND THE BASE STATIONS - In one embodiment, the method includes establishing, at a first base station, at least one interface with a second base station. The first and second base stations are associated with different network technologies, and at least one of the first and second base stations is a small cell base station. A small cell base station has a coverage area smaller than and at least partially overlapped by a coverage area of a macro base station. The method further includes one of (i) sending information from the first base station to the second base station over the interface, and (ii) receiving information at the first base station from the second base station over the interface. | 01-24-2013 |
20130070727 | MECHANISM TO IMPROVE HANDOVER SPEED IN SMALL CELLS - In a method for performing handover of a user equipment, a small cell base station formats a handover request message for the user equipment. The handover request message includes permission information of the user equipment, including LIPA permission information. | 03-21-2013 |
20140004864 | Mechanism To Perform Call Admission Control For Multi-Standard Small Cell | 01-02-2014 |
Patent application number | Description | Published |
20100105039 | LABEL-FREE COLORIMETRIC DETECTION - The present invention provides a sensor system kit for detecting an analyte, consisting essentially of: a nucleic acid enzyme, wherein the nucleic acid enzyme cleaves a substrate in the presence of the analyte; the substrate for the nucleic acid enzyme, comprising a polynucleotide; an aggregator; and particles. | 04-29-2010 |
20100151579 | FLUORESCENT SENSOR FOR MERCURY - The present invention provides a sensor for detecting mercury, comprising: a first polynucleotide, comprising a first region, and a second region, a second polynucleotide, a third polynucleotide, a fluorophore, and a quencher, wherein the third polynucleotide is optionally linked to the second region; the fluorophore is linked to the first polynucleotide and the quencher is linked to the second polynucleotide, or the fluorophore is linked to the second polynucleotide and the quencher is linked to the first polynucleotide; the first region and the second region hybridize to the second polynucleotide; and the second region binds to the third polynucleotide in the presence of Hg | 06-17-2010 |
20120107242 | NUCLEIC ACID-MEDIATED SHAPE CONTROL OF NANOPARTICLES FOR BIOMEDICAL APPLICATIONS - Embodiments of a method for nucleic acid-mediated control of a nanoparticle shape are disclosed. In some embodiments, one or more nucleic acid oligomers are adsorbed to a metal nanoseed, and additional metal is deposited onto the nanoseed to produce a shaped nanoparticle. In certain embodiments, the nanoseed is gold and the oligomers are 5-100 nucleotides in length. The nanoparticle shape is determined at least in part by the nucleic acid sequence of the oligomer(s). Shaped nanoparticles produced by embodiments of the method include nanoflowers, nanospheres, nanostars, and nanoplates. Embodiments for using the shaped nanoparticles also are disclosed. | 05-03-2012 |
20130095039 | NUCLEIC ACID-MEDIATED SHAPE CONTROL OF NANOPARTICLES - Embodiments of a method to use nucleic acid oligomer sequences for modulating the shape of nanoparticles are disclosed, as well as nanoparticles and methods of using the nanoparticles. Systematic variations of the nucleic acid sequences offer mechanistic insights into the morphology control. A plurality of nucleic acid oligomers is adsorbed onto a metal nanoseed to provide an oligomer-functionalized nanoparticle. Additional metal is deposited onto the oligomer-functionalized nanoparticle to produce a shaped nanoparticle having a morphology based at least in part on the nanoseed morphology and the oligomer's sequence composition. Embodiments of methods for using the shaped nanoparticles also are disclosed. | 04-18-2013 |
Patent application number | Description | Published |
20130117197 | Determination of a Size of a Credit Default Swap Guaranty Fund - A system for determining an amount of a guaranty fund to cover mutual systemic risk of loss among a plurality of entities trading credit default swap (“CDS”) instruments using a central counterparty, such as the CME, is disclosed. The disclosed embodiments relate to a system and method for calculating a value, i.e. the size or magnitude, such as in dollars, of a CDS guaranty fund, such as more optimal size thereof, e.g. a size more reflective of the true risk, or each member's contribution thereto, thereby reducing or minimizing the burden on participants while adequately ensuring that risks are covered. The disclosed embodiments utilize a generalized approach to avoid too many risk scenarios while still accounting for all relevant possible portfolio constructions. | 05-09-2013 |
20140081820 | METHODS AND SYSTEMS FOR INTER-ACCOUNT MARGIN OPTIMIZATION - The disclosed embodiments relate to reducing, minimizing or otherwise optimizing margin requirements for a trader having both an interest rate (IR) futures and over-the-counter (OTC) interest rate swaps (IRS) accounts by efficiently allocating IR futures across both accounts. | 03-20-2014 |
20140164286 | Interest Rate Swap Risk Compression - The disclosed embodiments relate to minimization of risk of loss, and thereby minimization of margin and/or guarantee fund requirements, for a portfolio of interest rate swap (“IRS”) positions held by a market participant. The disclosed embodiments identify proposed trades across portfolios wherein execution of the proposed trade would result in a reduction of the risk of loss of the portfolio and the other portfolio, by iteratively testing each of a set of candidate trades between substantially equivalent positions in the portfolio and other portfolio for an effect on the risk of loss of the portfolio, the identified proposed trade comprising a candidate trade which results in a reduction in risk of loss of the portfolio in excess of a threshold. The disclosed embodiments then provide each of the identified proposed trades to at least the market participant who holds the subject portfolio for acceptance thereby. | 06-12-2014 |