Maslov
Alexey V. Maslov, Tucson, AZ US
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20150268128 | Calculating Nonlinear Kerr Coefficient for a Waveguide - Calculating a non-linear Kerr coefficient in a waveguide. Formulating equations based on Maxwell's equations which represent propagation of an electro-magnetic wave down the waveguide based on the material properties of the waveguide and the geometry of the waveguide. Producing discretized equations. Solving the discretized equations using an eigenvalue solving technique for a set of electro-optical waves with a frequency ω and a wavenumber β in the non-linear regime and a wavenumber β | 09-24-2015 |
Anton Maslov, Moscow RU
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20130091021 | METHOD AND SYSTEM FOR MANAGING MULTI-THREADED CONVERSATIONS - Method and system for managing multi-threaded conversations to provide relevant posts to a user. Conversation fragments that relate to or exactly match a user interest are identified wherein each includes a set of branches of the conversation that connect to one another or are separated from one another by a distance below a threshold and each branch is a set of all posts about a common, preceding post and the common, preceding post. Identified fragments are ranked to form a list of fragments. Advertisers form individual conversation threads including a widget that transfers or redirects a user to a website associated with the advertiser such that fragments of advertiser-formed threads are identified. When fragments from the list of ranked fragments are presented to the user, execution of the widget in causes transfer or redirection of the user to the website. | 04-11-2013 |
Dmitry Maslov, Yongin-City KR
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20140377890 | APPARATUS FOR MONITORING DEPOSITION RATE, APPARATUS PROVIDED WITH THE SAME FOR DEPOSITING ORGANIC LAYER, METHOD OF MONITORING DEPOSITION RATE, AND METHOD OF MANUFACTURING ORGANIC LIGHT EMITTING DISPLAY APPARATUS USING THE SAME - An apparatus for monitoring deposition rate, an apparatus including the same, for depositing an organic layer, a method of monitoring deposition rate, and a method of manufacturing an organic light emitting display apparatus using the same, are provided. The deposition rate monitoring apparatus for measuring deposition rate of a deposition material discharged from a deposition source, includes: a light source for irradiating light having a wavelength within a photoexcitation bandwidth of the deposition material; a first optical system for irradiating the light emitted from the light source toward the discharged deposition material; a second optical system for collecting the light emitted from the deposition material; and a first light sensor for detecting the amount of the light which is emitted from the deposition material and collected in the second optical system. | 12-25-2014 |
Guennadi Maslov, Rueil-Malmaison FR
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20100017806 | FINE GRAIN OS SCHEDULING - The invention relates to a method of enabling multiple operating systems to run concurrently on the same computer, the method comprising: scheduling a plurality of tasks for execution by at least first and second operating systems, wherein each task has one of a plurality of priorities; setting the priority of each operating system in accordance with the priority of the next task scheduled for execution by the respective operating system; and providing a common program arranged to compare the priorities of all operating systems and to pass control to the operating system having the highest priority. Accordingly, the invention resides in the idea that different operating systems can be run more efficiently on a single CPU by changing the priority of each operating system over time. In other words, each operating system has a flexible priority. | 01-21-2010 |
Konstantin Maslov, St. Louis, MO US
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20120204648 | MULTI-FOCUS OPTICAL-RESOLUTION PHOTOACOUSTIC MICROSCOPY WITH ULTRASONIC ARRAY DETECTION - A probe for use with an imaging system, including a scanning device configured to receive a first light beam from a light source, a beam-divider configured to split the first light beam into a plurality of second light beams, and a focusing device configured to focus each of the second light beams on respective locations in an object of interest. | 08-16-2012 |
20120275262 | SECTION-ILLUMINATION PHOTOACOUSTIC MICROSCOPY WITH ULTRASONIC ARRAY DETECTION - Imaging systems, probes for imaging systems, and methods for noninvasive imaging are disclosed. In one example, a probe for use with an imaging system includes a slit configured to spatially filter a light beam from a light source. The probe includes a focusing device configured to cylindrically focus the spatially filtered light beam into an object, and an ultrasound transducer array configured to detect a photoacoustic signal emitted by the object in response to the cylindrically focused light beam. | 11-01-2012 |
20140142404 | SINGLE-CELL LABEL-FREE PHOTOACOUSTIC FLOWOXIGRAPHY IN VIVO - A single-RBC photoacoustic flowoxigraphy (FOG) device is described that delivers laser pulses of two different wavelengths separated by a pulse separation period of about 20 μs. This separation period is sufficiently brief to enable pulses of two different wavelengths to illuminate the same single moving RBC. The acoustic signals elicited by the single RBC in response to the laser pulses of two different wavelengths may be analyzed using pulse oximetry methods similar to those described herein above to simultaneously determine a variety of functional parameters. | 05-22-2014 |
20140356897 | IN VIVO LABEL-FREE HISTOLOGY BY PHOTOACOUSTIC MICROSCOPY OF CELL NUCLEI - The present disclosure is directed to methods of non-invasively imaging cell nuclei. More particularly, the present disclosure is directed to methods of imaging cell nuclei in vivo using ultraviolet photoacoustic microscopy (UV-PAM), in which ultraviolet light is used to excite unlabeled DNA and RNA in cell nuclei to produce photoacoustic waves. | 12-04-2014 |
20150185187 | MULTI-FOCUS OPTICAL-RESOLUTION PHOTOACOUSTIC MICROSCOPY WITH ULTRASONIC ARRAY DETECTION - A probe for use with an imaging system, including a scanning device configured to receive a first light beam from a light source, a beam-divider configured to split the first light beam into a plurality of second light beams, and a focusing device configured to focus each of the second light beams on respective locations in an object of interest is disclosed. | 07-02-2015 |
20150245771 | TRANSCRANIAL PHOTOACOUSTIC/THERMOACOUSTIC TOMOGRAPHY BRAIN IMAGING INFORMED BY ADJUNCT IMAGE DATA - Systems and methods of reconstructing photoacoustic imaging data corresponding to a brain of a subject through a skull of a subject utilizing a reconstruction method that incorporates a spatial model of one or more acoustic properties of the brain and skull of the subject derived from an adjunct imaging dataset. | 09-03-2015 |
Konstantin Maslov, Affton, MO US
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20090138215 | Photoacoustic Doppler Flow Sensing and Imaging - A method for measuring a fluid flow includes employing small light-absorbing particles as tracers that flow at the same speed as the fluid, measuring the photoacoustic Doppler shifts of the photoacoustic signals produced by these tracer particles, and determining, from the measurements, information about the flow including one or more of the flow speed, flow profile, and flow direction. | 05-28-2009 |
20100268042 | CONFOCAL PHOTOACOUSTIC MICROSCOPY WITH OPTICAL LATERAL RESOLUTION - A confocal photoacoustic microscopy system includes a laser configured to emit a light pulse, a focusing assembly configured to receive the light pulse and to focus the light pulse into an area inside an object, an ultrasonic transducer configured to receive acoustic waves emitted by the object in response to the light pulse, and an electronic system configured to process the acoustic waves and to generate an image of the area inside the object. The focusing assembly is further configured to focus the light pulse on the object in such a way that a focal point of the focusing assembly coincides with a focal point of the at least one ultrasonic transducer. | 10-21-2010 |
20110201914 | Reflection-Mode Photoacoustic Tomography Using A Flexibly-Supported Cantilever Beam - Noninvasively imaging biological tissue using a handheld device. A light pulse is focused into a predetermined area inside an object using a flexibly mounted cantilever beam, acoustic waves emitted by the object in response to the at least one light pulse are detected by a transducer, and an image of the predetermined area inside the object is generated based on a signal generated by the transducer representative of the acoustic waves. | 08-18-2011 |
20110275890 | MINIATURIZED PHOTOACOUSTIC IMAGING APPARATUS INCLUDING A ROTATABLE REFLECTOR - A reflection-mode photoacoustic endoscope includes a light source configured to emit a light pulse, a signal detection or transmission unit configured to detect or emit an ultrasonic pulse, and a rotatable reflector. The rotatable reflector is configured to reflect at least one of the light pulse and the ultrasonic pulse into a target area of an object, and reflect a response signal to the signal detection unit. The response signal is one of a photoacoustic wave generated by the object responsive to the light pulse and an ultrasonic pulse echo generated by the object responsive to the ultrasonic pulse. | 11-10-2011 |
20130245406 | CONFOCAL PHOTOACOUSTIC MICROSCOPY WITH OPTICAL LATERAL RESOLUTION - A method for determining a ratio of hemoglobin absorption within a biological tissue using a handheld device is provided. The method includes focusing at least one light pulse into a predetermined area inside an object using at least one excitation wavelength, wherein a fluorescence signal is based on at least a local excitation optical fluence and properties of fluorophores in the predetermined area. The method further includes receiving a photoacoustic signal emitted by the object in response to the at least one light pulse, the photoacoustic signal being a product of the local excitation optical fluence, an optical absorption coefficient of hemoglobin, and an acoustic detection sensitivity. The method further includes determining the ratio of hemoglobin absorption based on a hemoglobin absorption coefficient that is based at least partially on the fluorescence signal and the photoacoustic signal. | 09-19-2013 |
Leonid Maslov, Yongin-Si KR
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20090262459 | SLIDER OF A HARD DISK DRIVE AND HARD DISK DRIVE HAVING THE SAME - A slider of a hard disk drive can include a slider main body on which a read/write head is mounted, the read/write head configured to write data to a disk and to read data from the disk by being lifted a predetermined height from a surface of the disk by a lift force when the disk is rotating, and a lift force generation unit provided in an area of the slider main body proximate to the read/write head to improve the lift force of the slider main body with respect to the disk. | 10-22-2009 |
20100061020 | FLEXURE, HEAD SUSPENSION ASSEMBLY INCLUDING THE FLEXSURE, AND HARD DISK DRIVE INCLUDING THE HEAD SUSPENSION ASSEMBLY - A flexure suppresses the vibration of a slider bearing a magnetic read/write head. The flexure has a cross beam, a slider support that supports the slider and is in turn supported like a cantilever by the cross beam but so as to be elastic, a rear vibration absorber protruding from a free end of the slider support in a direction away from the cross beam, and a forward vibration absorber protruding from the cross beam in a direction opposite to that in which the rear vibration absorber protrudes from the free end of the slider support. In a head suspension assembly, an end of the flexure is fixed to a load beam. Also, the load beam is coupled to a base plate by, for example, a hinge. The head suspension assembly is carried by a swing arm in a hard disk drive. The swing arm is mounted to a base so as to be rotatable to position the magnetic read/write head over a data storage disk of the drive. | 03-11-2010 |
Oleg Maslov, Nizhny Novgorod RU
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20090324118 | Computing higher resolution images from multiple lower resolution images - Super-resolution images may be produced by dividing a higher resolution image into a set of non-overlapping rectangular tiles of substantially the same size. Then, each pixel in each lower resolution image is mapped to the higher resolution image and it is determined which tiles are mapped to which lower resolution image pixels. A continuous buffer may be allocated for each tile and the relevant lower resolution pixels may be stored, together with optical flow vectors, in that continuous buffer. Then, the determination of gradients may use the information now stored in the buffer to facilitate symmetric multiprocessing using multi-core processors. | 12-31-2009 |
20130064474 | Computing Higher Resolution Images From Multiple Lower Resolution Images - Super-resolution images may be produced by dividing a higher resolution image into a set of non-overlapping rectangular tiles of substantially the same size. Then, each pixel in each lower resolution image is mapped to the higher resolution image and it is determined which tiles are mapped to which lower resolution image pixels. A continuous buffer may be allocated for each tile and the relevant lower resolution pixels may be stored, together with optical flow vectors, in that continuous buffer. Then, the determination of gradients may use the information now stored in the buffer to facilitate symmetric multiprocessing using multi-core processors. | 03-14-2013 |
Vasyliy I. Maslov, Kharkov UA
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20140034484 | DEVICE FOR THE ELIMINATION OF LIQUID DROPLETS FROM A CATHODIC ARC PLASMA SOURCE - A method and apparatus for depositing a metal onto a substrate using a cathodic arc plasma source as a source of metal ions. A plasma deposition apparatus has a vacuum chamber; and a conduit within the vacuum chamber having an input end and an output end. A substrate is within the vacuum chamber, positioned to receive a plasma at the output end of the conduit. A cathodic arc plasma source within the vacuum chamber is positioned to inject a composition comprising a mixture of a plasma and electrons into the input end of the conduit toward the output end of the conduit. A magnetic field generator establishes a magnetic field within the conduit a plurality of electrodes located within the magnetic field and an electric field generator establishes an electric field within the conduit. The apparatus reduces or eliminates liquid metal droplets emitted from such a plasma source. | 02-06-2014 |
Vladimir P. Maslov, Moscow RU
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20110072781 | SYSTEMS AND METHODS FOR PASSIVELY DIRECTING AIRCRAFT ENGINE NOZZLE FLOWS - Systems and methods for passively directing aircraft engine nozzle flow are disclosed. One system includes an aircraft nozzle attachable to an aircraft turbofan engine, with the nozzle including a first flow path wall bounding a first flow path and being positioned to receive engine exhaust products, and a second flow path wall bounding a second flow path and being positioned to receive engine bypass air. The first flow path wall is positioned between the first and second flow paths, and the second flow path wall is positioned between the second flow path and an ambient air flow path. Multiple flow passages can be positioned in at least one of the first and second flow path walls to passively direct gas from a corresponding flow path within the flow path wall through the flow path wall to a corresponding flow path external to the flow path wall. Neighboring flow passages can have neighboring circumferentially-extending and circumferentially-spaced exit openings positioned at an interface with the corresponding flow path external to the flow path wall. | 03-31-2011 |