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57results about How to "Maximize separation" patented technology

Computational pathology systems and methods for early-stage cancer prognosis

ActiveUS20170270666A1Reduce computing costInformed choiceImage enhancementImage analysisComputational pathologyLow risk group
The subject disclosure presents systems and computer-implemented methods for providing reliable risk stratification for early-stage cancer patients by predicting a recurrence risk of the patient and to categorize the patient into a high or low risk group. A series of slides depicting serial sections of cancerous tissue are automatically analyzed by a digital pathology system, a score for the sections is calculated, and a Cox proportional hazards regression model is used to stratify the patient into a low or high risk group. The Cox proportional hazards regression model may be used to determine a whole-slide scoring algorithm based on training data comprising survival data for a plurality of patients and their respective tissue sections. The coefficients may differ based on different types of image analysis operations applied to either whole-tumor regions or specified regions within a slide.
Owner:VENTANA MEDICAL SYST INC

Variable spacing pulse position modulation for ultra-wideband communication links

Methods and systems for generating a variable spacing pulse position modulated (VSPPM) signal for transmission across an ultra-wideband communications channel. The variable pulse position modulated spread spectrum signal is created by encoding every M input data bits from an input data stream into a symbol consisting of Nc chips. Each chip is divided into 2M sub-chips and each sub-chip is further divided into Np time slots. A pulse is transmitted for each chip in the symbol. During each chip period, the pulse is placed in the sub-chip corresponding to the binary M-tuple (or symbol) value. A time hopping code sequence consisting of Nc elements with a one-to-one chip association is then applied to each symbol so that the position of each pulse is shifted to the appropriate time slot that corresponds to the time hopping code value.
Owner:WSOU INVESTMENTS LLC +1

Floating combine sieve assembly

A sieve assembly for separating grain from chaff inside of a combine. The sieve assembly comprises a plurality of longitudinal sieve planks that pivot on their longitudinal axis. A hanging weighted member combined with the sieve planks regulates the angle of the sieve planks relative to the combine. As the combine becomes laterally inclined on a hillside, the weighted member changes its angular position relative to the combine. In doing so, the weighted member causes the sieve planks to pivot on their longitudinal axis so that the sieve planks remain level relative to the horizon. Dividers extend between each sieve plank.
Owner:SACQUITNE DAVID

Method and apparatus for calibrating a sound beam-forming system

InactiveUS7804972B2Maximize audio separationDirect sound is substantially attenuatedMicrophonesSignal processingVocal tractDirect path
A method and apparatus system for calibrating a sound beam-forming system provides calibration of low cost alternatives to present array beam-forming systems. A test signal is supplied to multiple speaker drivers and is detected from a microphone signal supplied from a microphone positioned at a listening position. A signal relationship between surround channel information supplied to the multiple speaker drivers is adjusted in conformity with the detected signal so that the surround channel information is substantially attenuated along a direct path toward the listening position. The result is that the surround channel information is propagated in a directivity pattern having at least one primary lobe directed away from the listening position so that the surround channel information is diffused by reflection before reaching the listening position. The signal relationship may be controlled by multiple digital filters that maximize late vs. early response of the surround channel information.
Owner:CIRRUS LOGIC INC

Multi-channel audio vibratory entertainment system

An entertainment system according to an embodiment of the present application includes a portable media device configured to produce an audible output signal, and a plurality of individual vibratory output signals representative of individual recorded tracks of a musical piece and a plurality of actuators positioned at various locations on a user's body, each actuator configured and operable to receive one of the plurality of individual vibratory signals and to vibrate based on the received vibratory signal.
Owner:HAPTECH HLDG INC

Bridging apparatus for interconnecting a wireless PAN and a wireless LAN

A Wireless bridge conjoins two previously incompatible technologies within a single device to leverage the strengths of each. The Wireless bridge marries the Personal Area Network (PAN) technology of Bluetooth as described in Bluetooth Specification Version 1.0B with the Wireless Local Area Network (WLAN) technology described in the IEEE802.11a specification to provide a wireless system level solution for peripheral devices to provide Internet service interactions. The invention brings together in a single working device implementations of these technologies so they do not interfere or disrupt the operation of each other and instead provide a seamless transition of a Bluetooth connection to Wireless Local Area Network / Internet connection. From the Wireless Local Area Network perspective the inventive wireless bridge extension allows a Bluetooth-enabled device to roam from one Wireless Access Point (bridge) to the next without losing its back end connection. The invention takes into account the minimum separation and shielding required of these potentially conflicting technologies to inter-operate.
Owner:CADENCE DESIGN SYST INC

Method for selective separation of free-astaxanthin from green algae haematococcus pluvialis

There is provided a method of separating free-astaxanthin selectively from green algae and, more particularly, to a method of separating free-astaxanthin selectively from Haematococcus pluvialis, the method comprising: mixing a cell culture containing Haematococcus pluvialis with an alkanic solvent and stirring, thereby obtaining an alkanic solvent extract containing astaxanthin material including free-astaxanthin and astaxanthin ester (step 1); and mixing the alkanic solvent extract with an alcohol and stirring, thereby obtaining an alcoholic extract containing free-astaxanthin (step 2). The present invention can not only maximize the efficiency of separating astaxanthin in high concentration by providing a very simple process technique capable of recovering free-astaxanthin selectively from H. pluvialis culture with high efficiency, but also realize the economical and simple operation of the process of separating free-astaxanthin by repeatedly using an alkanic solvent as a mediating solvent for extracting free-astaxanthin. Such a separation method can be used in extracting and separating a carotinoid analogue containing astaxanthin from a useful microalgae culture in addition to Haematococcus species.
Owner:SUNGKYUNKWAN UNIVERSITY

High defiberization chip pretreatment

A chip pretreatment process which comprises conveying the feed material through a compression screw device having an atmosphere of saturated steam at a pressure above about 5 psig, decompressing and discharging the compressed material from the screw device into a decompression region, feeding the decompressed material from the decompression region into a fiberizing device, such as a low intensity disc refiner, where at least about 30 percent of the fiber bundles and fibers are axially separated, without substantial fibrillation of the fibers. Preferably, the fibers are axially separated with less than about 5 percent fibrillation, and subsequently the fiberized material is refined in a high intensity disc refiner until at least about 90 percent of the fibers are fibrillated. In another form the invention combines chip fiberizing with chemical treatments, for improving the pulp property versus energy relationships.
Owner:ANDRITZ INC

Noise reduction systems and methods

We describe a switch mode power supply having a power input, a switch, a transformer, and a power output. The transformer has a primary winding coupled to said power input via said switch, and a secondary winding coupled to said power output. The transformer further comprises an auxiliary winding and a coupling structure capacitatively coupled to said secondary winding of said transformer; wherein said coupling structure does not comprise a shield or screen between said primary and secondary windings. The switch mode power supply further comprises a coupling capacitor connected between said coupling structure and said auxiliary winding to provide a noise suppression voltage from said auxiliary winding to said secondary winding to at least partially cancel a common mode noise voltage on said secondary winding from unshielded coupling from said primary winding.
Owner:POWER INTEGRATIONS INC

High defiberization chip pretreatment

A chip pretreatment process which comprises conveying the feed material through a compression screw device having an atmosphere of saturated steam at a pressure above about 5 psig, decompressing and discharging the compressed material from the screw device into a decompression region, feeding the decompressed material from the decompression region into a fiberizing device, such as a low intensity disc refiner, where at least about 30 percent of the fiber bundles and fibers are axially separated, without substantial fibrillation of the fibers. In a more specific form the invention is directed to a process for producing mechanical pulp, including the steps of fiberizing wood chip feed material in a low intensity disc refiner until at least about 30 percent of the fibers are axially separated with less than about 5 percent fibrillation, and subsequently refining the fiberized material in a high intensity disc refiner until at least about 90 percent of the fibers are fibrillated. In another form the invention combines chip fiberizing with chemical treatments, for improving the pulp property versus energy relationships.
Owner:ANDRITZ INC

Medical Catheter Having a Design Providing Low Recirculation and Reversibility

The present disclosure relates to a medical catheter including an elongate catheter member defining a longitudinal axis and having a proximal end, a distal end, an outer wall, and first and second internal lumens. The outer wall of the catheter member includes a first opening in fluid communication with the first internal lumen to facilitate the establishment of a first flow stream, and a second opening in fluid communication with the second internal lumen to facilitate the establishment of a second flow stream. Each of the first and second openings includes proximal and distal tapered portions that are connected by an intermediate portion having a constant transverse dimension. The configurations, dimensions, and positioning of the first and second openings optimizes separation of the first flow stream from the second flow stream in order to reduce the likelihood of recirculation between the first and second internal lumens.
Owner:MOZARC MEDICAL US LLC

Noise reduction systems and methods for unshielded coupling of switch mode power supply

We describe a switch mode power supply having a power input, a switch, a transformer, and a power output. The transformer has a primary winding coupled to said power input via said switch, and a secondary winding coupled to said power output. The transformer further comprises an auxiliary winding and a coupling structure capacitatively coupled to said secondary winding of said transformer; wherein said coupling structure does not comprise a shield or screen between said primary and secondary windings. The switch mode power supply further comprises a coupling capacitor connected between said coupling structure and said auxiliary winding to provide a noise suppression voltage from said auxiliary winding to said secondary winding to at least partially cancel a common mode noise voltage on said secondary winding from unshielded coupling from said primary winding.
Owner:POWER INTEGRATIONS INC

Apparatus for Pathogen Detection

An apparatus for separating an analyte from a test sample, such as bacteria from blood components, based on their dielectric properties, localizing or condensing the analyte, flushing substantially all remaining waste products from the test sample, and detecting low concentrations of the analyte. The module array includes a plurality of microfluidic channels with connecting microfluidic waste channels for directing undesired material away from the analyte. An electric field is applied causing a positive dielectrophoretic force to the analyte to capture the analyte. The electric field is applied to at least one electrode having a plurality of concentric rings or concentric arcs extending radially outwards from a center point, electrically connected to a voltage source such that when voltage is applied to the at least one electrode, the concentric rings or concentric arcs alternate in voltage potential.
Owner:FLUID SCREEN INC

Method to optimize the communication parameters between an access point and at least one client device

A method to optimize the communication on a channel between an access point and at least one client device, said channel being characterized by a center frequency and a bandwidth, comprises: establishing a connection on a first channel according to a first center frequency and a first bandwidth; exchanging data through this first channel between the access point and the client device; monitoring a first interference level on the first channel; the access point, while the data are exchanged, executes: informing the client device to switch to a second channel having a different center frequency and / or a different bandwidth; determining a second interference level on the second channel; comparing the first interference level with the second interference level; deciding to switch back or keep the second channel based on the comparison.
Owner:ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)

Calibration of geophone and hydrophone pairs

A system to improve calibration of geophone and hydrophone pairs is described. The system generates first and second phase shifted data by applying a first and second phase shift to first seismic data acquired by the geophone. The system generates a first upgoing wavefield by summing the first phase shifted data and second seismic data acquired by the hydrophone, and a second upgoing wavefield by summing the second phase shifted data and the second seismic data. The system generates a first downgoing wavefield from a difference of the first phase shifted data and the second seismic data, and a second downgoing wavefield from a difference of the second phase shifted data and the second seismic data. The system determines ratios of the upgoing wavefields and the downgoing wavefields for each phase shift to identify the highest ratio, and selects the phase shift corresponding to the highest ratio for calibration.
Owner:FAIRFIELD INDUSTRIES INC

Rapid method of pattern recognition, machine learning, and automated genotype classification through correlation analysis of dynamic signals

The present invention relates to methods and systems for the analysis of the dissociation behavior of nucleic acids and the identification of determining whether a genotype is present in a biological sample. This includes methods and systems for determining whether a genotype is present in a biological sample, through generating a dynamic profile an unknown genotype, correlating the dynamic profile to an average profile for a known genotype to generate a correlation value, and determining whether the correlation value falls within an acceptable threshold to determine if the unknown genotype is the known genotype. The present invention also relates to methods and systems for generating a training set to allow a machine to recognize a known genotype from within a class of known genotypes. The training set generated by these methods and systems may be used to assist in identification of unknown genotypes.
Owner:CANON US LIFE SCIENCES INC

Cyclonic Separation Apparatus

A cyclonic vacuum cleaner comprises a first stage 10 comprising a single cyclone separator for separating heavier dirt and dust particles and a second stage 11 comprising a plurality of cyclone separators 25 arranged in parallel in a plurality of groups, each group of cyclone separators 25 comprising a respective inlet duct 24, each inlet duct 24 being connected at its upstream end to the first stage 10 and at its downstream end to the cyclone separators 25 of its respective group.
Owner:HOOVER LIMITED

Maximizing Aromatics Production From Hydrocracked Naphtha

A gasoline blending components production system useful for producing both aromatics and gasoline blending components from naphtha. The production system includes a light hydrocracked naphtha splitter, a medium hydrocracked naphtha splitter, a naphtha hydrotreater, an isomerization unit, a continuous catalytic reformer and aromatics complex. The production system is operable to produce both refined benzene and para-xylene products in addition to medium hydrocracked naphtha, isomerate, a C7s cut and a C9+ cut, which are useful for gasoline blending without additional treatment. A method for producing gasoline blending components while maximizing aromatic production includes introducing both stabilized hydrocracked naphtha to the light hydrocracked naphtha splitter and straight run naphtha to the naphtha hydrotreater. Operating the production system produces three types of hydrocracked naphtha: a light hydrocracked naphtha, a medium hydrocracked naphtha and a heavy hydrocracked naphtha. Light and heavy hydrocracked naphtha are directed to the naphtha hydrotreater.
Owner:SAUDI ARABIAN OIL CO

Cancer risk stratification based on histopathological tissue slide analysis

ActiveUS11257209B2Maximize separationSurvival probabilityImage enhancementImage analysisLow risk groupAlgorithm
The subject disclosure presents systems and computer-implemented methods for providing reliable risk stratification for early-stage cancer patients by predicting a recurrence risk of the patient and to categorize the patient into a high or low risk group. A series of slides depicting serial sections of cancerous tissue are automatically analyzed by a digital pathology system, a score for the sections is calculated, and a Cox proportional hazards regression model is used to stratify the patient into a low or high risk group. The Cox proportional hazards regression model may be used to determine a whole-slide scoring algorithm based on training data comprising survival data for a plurality of patients and their respective tissue sections. The coefficients may differ based on different types of image analysis operations applied to either whole-tumor regions or specified regions within a slide.
Owner:VENTANA MEDICAL SYST INC

Method for separating a hydrogen isotope, and apparatus for separating the same hydrogen isotope

An atmosphere containing a hydrogen gas containing a hydrogen isotope, a water and a water vapor is disposed under a given condition of reduce pressure. Then, a process temperature for the atmosphere is controlled commensurate with the pressure of the atmosphere to control partial pressures of the hydrogen gas and the water vapor, and thus, control the separating performance of the hydrogen isotope from the hydrogen gas through a hydrogen-water chemical exchange reaction.
Owner:INTER UNIV RES INST
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