Andreev
Aleksandr Lvovich Andreev, Moscow RU
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20150109537 | VIDEO PROJECTOR - The invention relates to the field of optoelectronics, and may be used in devices and of visualization, displaying, storage and processing of information, in particular in projection displays, etc. Video projector consists of a liquid crystal micro display based on structure FLCoS, and an optical unit of reading the information formed in the structure FLCoS, containing a light source and projection optics, optically coupled to the structure FLCoS, and a screen, onto which the information is projected. As the electro-optical material the low-voltage ferroelectric liquid crystal (FLC) with compensated helix providing physically realizable, continuous, halftone, hysteresis-free modulation characteristic is used in the structure FLCoS. Lasers of red, green and blue radiation serve as the sources of light in three different color channels RGB. To destroy the ability of their radiation to the interference, a cell with FLC is inserted into the optical unit of information reading that implements fast electrically controlled spatial phase light modulation with a depth of ≧π, and in order to form on the screen the information blocks with a capacity of 10 | 04-23-2015 |
20150234247 | FERROELECTRIC LIQUID CRYSTAL DISPLAY CELL - The invention relates to the field of optoelectronics, and may be used in devices and systems of visualization, displaying, storage and processing of information, in particular in two-dimensional and three-dimensional displays, light modulators, including spatial ones, devices of image processing and recognition etc, | 08-20-2015 |
20150304643 | FAST-ACTING LOW VOLTAGE LIQUID CRYSTAL STEREO GLASSES - The invention relates to the field of optoelectronics and display technology and can be used in high speed stereoscopic glasses when working with any type of 3D display, designed to operate with active stereo glasses with standard (60-160 Hz), high (hundreds of Hz) and ultrahigh (several kilohertz) frame rate. According to the invention in optical shutters of high-speed stereo glasses a layer of the helix-free ferroelectric liquid crystal (FLC) with optimized physical parameters is used. The technical result is an increase of the optical contrast of FLC shutters, reducing the amplitude of the control voltage. | 10-22-2015 |
Aleksey Andreev, Cambridge GB
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20100073796 | MAGNETIC FIELD SENSOR - A device for sensing a magnetic field is described. The device comprises first, second and third leads and a junction between the leads. The junction and leads are arranged in a plane and the junction is configured to exhibit quantum confinement in a direction perpendicular to the plane. The first lead is arranged on one side of the junction and the second and third leads are arranged on an opposite side of the junction. The first lead is configured to limit angle of spread of charge carriers entering the junction so that, when charge carriers flow into the junction from the first lead, the charge carriers form a substantially nondivergent beam. | 03-25-2010 |
Aleksnadr Lvovich Andreev, Moscow RU
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20150109537 | VIDEO PROJECTOR - The invention relates to the field of optoelectronics, and may be used in devices and of visualization, displaying, storage and processing of information, in particular in projection displays, etc. Video projector consists of a liquid crystal micro display based on structure FLCoS, and an optical unit of reading the information formed in the structure FLCoS, containing a light source and projection optics, optically coupled to the structure FLCoS, and a screen, onto which the information is projected. As the electro-optical material the low-voltage ferroelectric liquid crystal (FLC) with compensated helix providing physically realizable, continuous, halftone, hysteresis-free modulation characteristic is used in the structure FLCoS. Lasers of red, green and blue radiation serve as the sources of light in three different color channels RGB. To destroy the ability of their radiation to the interference, a cell with FLC is inserted into the optical unit of information reading that implements fast electrically controlled spatial phase light modulation with a depth of ≧π, and in order to form on the screen the information blocks with a capacity of 10 | 04-23-2015 |
Alexander Ivanovich Andreev, Saint Petersburg RU
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20110000841 | Filter Cartridge and Method For Producing and Using Thereof - The group of inventions relates to liquid purifying devices and can be used for purifying drinking water and other liquids for household, medical and other purposes. A filter cartridge is filled with a filtering material and is configured in the form of an open bowl which can be closed with a lid, having side walls and a bottom with at least one outlet opening which is closed with a water-permeable material, wherein the cartridge bottom is designed such as to make it possible to use the water-permeable material which comes to the external edge of the side walls and is made of fibers with a sufficiently small diameter to allow using the filtering material containing powder particles; furthermore, the entire area between external and internal edges of the walls along the perimeter of the bottom is made of a composite based on a polymer water-permeable material. The method of producing the filtering cartridge involves placing a blank in at least a split mould, cutting it to the exact shape of a piece, filling a shaping cavity of the mould with a molted polymer material and extracting the product from the mould, wherein the cavity of the mould is filled with the molted polymer material upon placing the blank therein and the blank is cut up along a cutting zone which is formed in the purpose-made region of the mould. The filtering cartridge is used in a device for purifying liquid, substantially drinking water. | 01-06-2011 |
Alexander Ivanovich Andreev, St. Petersburg RU
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20120305474 | COMPOSITE MATERIAL - The invention relates to composite materials, and more particular to composite adsorptive materials for purification of liquids, in particular, a drinking water, on the basis of components of a granulated material and a fibrous material. The new composite material for filtering purifying a liquid on the basis of a mixture of components of granulated and fibrous materials comprises volume zones with adjustable density, which zones create the structure of the material, which structure is self-strengthened when a liquid flows in the course of filtration, wherein, said volume zones make the material most part, each zone is created in the form of a interlaced fiber site, which sites are bonded among themselves by separate fibers, and the space within and between said interlaced fiber sites is filled with a granulated material. | 12-06-2012 |
Andrei Vladimirovich Andreev, Ufimsky RU
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20140332388 | METHOD FOR PRODUCING HIGH PURITY CRYSTALLINE CARBAMIDE - The invention relates to the method for producing high purity crystalline carbamide. The method comprises the crystallization and drying of carbamide, wherein an aqueous carbamide solution is preheated from +30° C. to +130° C., and thereafter the solution is purified by electrodialysis at a voltage in the range of 400 V-600 V. The technical result is the production of high-purity crystalline carbamide that can be used as an additive in the food industry and as a reagent in laboratory analyses. | 11-13-2014 |
Igor Andreev, Fife GB
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20100047761 | CAPILLARY TRANSPORT - A method for sorting particles, in particular cells A and B. The method uses a single channel with only one input and only one output. A particle mix A and B in a fluid is introduced into the channel and particles within the channel are sorted. | 02-25-2010 |
Oleg Leonidovith Andreev, Ekaterinburg RU
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20120094186 | SOLID ELECTROLYTE, METHOD FOR PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY COMPRISING SOLID ELECTROLYTE AND SOLID ELECTROLYTE PARTICLES - Disclosed is a solid electrolyte including particles comprising Li | 04-19-2012 |
R. Andreev, Saint Petersburg RU
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20090093868 | Laser Apparatus for Medical Treatment Using Pulse Trains - The present invention provides a laser apparatus for medical treatment using pulse trains, in which the skin is cooled to a given temperature and then one or more laser pulses are applied to a to-be-treated region at specific intervals, thereby alleviating a pain associated with a skin disease and activating a dermis layer. According to the present invention, a pain caused during the treatment process is alleviated by using laser pulse trains and a cooling unit, and heat energy is transferred to only a dermis layer of a to-be-treated region without eliminating an epidermis layer of the to-be-treated region, thereby remarkably improving the treatment recovery period and the frequency of treatments as compared to the conventional treatment method. | 04-09-2009 |
20100121418 | SKIN COOLING SYSTEM - The present invention provides a skin cooling system which can improve skin cooling efficiency and significantly reduce thermal damage and pain caused by heat generated during treatment, using a handpiece for injecting cold air, water, or a mixture of cold air and water. | 05-13-2010 |
Sergey Andreev, Tampere FI
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20150271848 | SYSTEMS AND METHODS FOR CONTENTION MANAGEMENT AND QUALITY OF SERVICE ESTIMATION IN HETEROGENEOUS WIRELESS NETWORKS - A user equipment (UE) is configured to receive a maximum probability of accessing a wireless local area network (WLAN) for communication. The maximum probability is received via a 3rd Generation Partnership Project (3GPP) communication link with an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (eNB). The UE is further configured to determine that there is a queued transmission for the UE and, in response to determining that there is a queued transmission, to determine whether the UE is authorized to access to the WLAN using a probability less than or equal to the maximum probability. The UE is further configured to delay contention for access to the WLAN for at least a pre-backoff duration in response to determining that the UE is not authorized. | 09-24-2015 |
20160073287 | NETWORK SELECTION IN A HETEROGENEOUS NETWORK - Technology for a user equipment (UE) to communicate in a multiple radio access technology (multi-RAT) heterogeneous network (HetNet) is described. A radio-link-selection hysteresis threshold can be determined at the UE for a radio link between the UE and a node in the multi-RAT HetNet. A reliability value of a throughput estimate can be measured for the radio link in the multi-RAT HetNet. The radio-link-selection hysteresis threshold can be adjusted at the UE based on the reliability value to increase network stability in the multi-RAT HetNet. | 03-10-2016 |
Sergey Andreev, Tampere, Ls FI
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20160050701 | EFFICIENT USER, SERVICE, OR CONTENT REPRESENTATION FOR DEVICE COMMUNICATION - Embodiments described herein relate generally to efficient network-assisted communication between user equipment (“UE”). A first UE may be adapted to determine a plurality of hash values associated with provision of a resource by the first UE. The first UE may further determine a port at which the resource is available to be provided. The first UE may communicate this information to a server. Where a second UE wishes to consume the resource, the second UE may determine a plurality of hash values that correspond to those determined by the first UE. The second UE may transmit these determined hash values to the server. In response, the server may transmit the port and an IP address associated with the first UE to the second UE. The server may further facilitate D2D communication between the UEs for provision of the resource. Other embodiments may be described and/or claimed. | 02-18-2016 |
Sergey Andreev, Moscow RU
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20150278198 | METHOD OF CLUSTERING SEARCH RESULTS - A method and system for facilitating a semantic search based on one or more corpuses of natural language texts and presenting clustered results are provided. One or more corpuses of natural language texts are received including indexed linguistic parameters and semantic structures of lexical units. The linguistic parameters and semantic structures are generated during a preliminary syntactico-semantic analysis. Searching for text fragments satisfying a query in the one or more corpuses is performed. Relevance of the search results is estimated according to selected lexical meaning. | 10-01-2015 |
Sergey Mikhailovich Andreev, Moscow RU
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20090012008 | Pharmaceutical Composition for Photodynamic Therapy and a Method for Treating Oncological Diseases by Using Said Composition - The present invention relates to the field of medicine, particularly to oncology and provides a pharmaceutical composition intended for the photodynamic therapy of malignant tumors, comprising a therapeutically effective amount of at least one of derivatives of fullerene C | 01-08-2009 |
Sergey Nikolaevich Andreev, Saint-Petersburg RU
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20160031515 | Two-Wheeled Gyroscope-Stabilized Vehicle and Methods for Controlling Thereof - A two-wheel gyroscope-stabilized vehicle includes a stabilizing gyroscope, having a gyroscope frame and a gyroscope rotor rotatably mounted in the frame. The gyroscope frame is free to rotate relative to the vehicle body. The vehicle further comprises a support structure that connects the vehicle body and the vehicle wheels, wherein the supporting structure is adapted to move the wheels independently in relation to each other and to move the wheels in relation to the body independently thereof. The support structure helps to keep the vehicle stable when riding on rough terrain. Balancing of the vehicle is provided by maintaining a right angle between the axis of rotation of the gyroscope rotor and direction of the vehicle movement by means of the control system through changing the difference of rotation velocities of the wheels. Steering of the vehicle is provided by means of applying the roll control force to the body. | 02-04-2016 |
Thomas Andreev, Ottobrunn DE
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20100150428 | METHOD AND APPARATUS FOR DETECTING MECHANICAL DEFECTS IN A SEMICONDUCTOR DEVICE, PARTICULARLY IN A SOLAR CELL ARRANGEMENT - A process detects defects in a semiconductor device, particularly a solar cell or solar cell arrangement, having at least one pn junction in a semiconductor layer of a semiconductor material with an indirect band junction. A voltage is applied to the at least one pn junction to operate it in the transmitting direction; and the radiation behavior of the semiconductor layer generated by the applied voltage, at least for partial ranges of the semiconductor layer, is optically detected and automatically examined for essentially one-dimensional intensity changes in order to detect mechanical defects. | 06-17-2010 |
Vladimir Alekseevich Andreev, Moscow RU
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20090107291 | Binder for the Fabrication of Diamond Tools - This invention relates to powder metallurgy, more specifically, to methods of fabricating hard alloy items. The invention can be used as an iron, cobalt or nickel base binder for the fabrication of diamond cutting tools for the construction industry and stone cutting, including segmented cutting discs of different designs and wires for reinforced concrete and asphalt cutting used in the renovation of highway pavements, runways in airports, upgrading of metallurgical plants, nuclear power plants, bridges and other structures, monolithic reinforced concrete cutting drills, as well as discs and wires for the quarry production of natural stone and large scale manufacturing of facing construction materials. This invention achieves the objective of providing binders for the fabrication of diamond tools having higher wear resistance without a significant increase in the sintering temperature, as well as higher hardness, strength and impact toughness. The achievement of these objectives by adding an iron group metal as the main component of the binder composition and alloying additives in the form of nanosized powder in accordance with this invention is illustrated with several examples of different type binders for the fabrication of diamond tools. | 04-30-2009 |
20120325049 | COPPER BASED BINDER FOR THE FABRICATION OF DIAMOND TOOLS - This invention relates to powder metallurgy, more specifically, to composite material production methods, and can be used for the production of copper base binders for diamond tools used in the construction industry and stone working. The copper binder comprises the following components (wt. %): Copper (30-60), iron (20-35), cobalt (10-15), tin (0-10.5), tungsten carbide (0-20) and an alloying addition. According to the first variant the alloying addition is a nanopowder having a specific surface area 6-25 m | 12-27-2012 |