Martins
Alexandre Martins, Malmo SE
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20160140421 | METHOD OF IDENTIFYING RELEVANT AREAS IN DIGITAL IMAGES, METHOD OF ENCODING DIGITAL IMAGES, AND ENCODER SYSTEM - A method of identifying relevant areas in digital images is provided. The method comprises receiving information representative of pixels in a first digital image, and calculating a spatial statistical measure of said information for groups of neighboring pixels in said first image to form a group value for each group of pixels. Further, the method comprises calculating differences between group values, and comparing said differences to a predetermined threshold value. If said difference is equal to or above said threshold value, said group is identified as relevant, and if said difference is below said threshold value, said group is identified as not relevant. A method of encoding digital images based on the identification of relevant and non-relevant areas is also provided, as well as a digital encoder system. | 05-19-2016 |
20160142705 | METHOD AND ENCODER SYSTEM FOR ENCODING VIDEO - A method for encoding video is disclosed. The method comprises the steps of receiving information representative of pixels in a current digital image frame of a video to be encoded, calculating a group value for each group of neighboring pixels based on the received information, accumulating group values of corresponding groups of pixels in a first sequence of frames to form a first accumulation of accumulated group values, accumulating group values of corresponding groups of pixels in a second sequence of frames to form a second accumulation of accumulated group values, wherein the second sequence includes frames captured over a longer period of time than the first sequence, comparing accumulated group values of the first accumulation with accumulated group values of the second accumulation, calculating a global change value based on the comparison, setting a GOP length based on the global change value; and encoding the current image frame as an intra-frame or inter-frame based on the GOP length. An encoder system for encoding video is also disclosed. | 05-19-2016 |
Alexandre Martins, Issy-Les-Moulineaux FR
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20150270977 | ELECTRONIC SIGNATURE METHOD WITH EPHEMERAL SIGNATURE - The invention concerns a method for generating an electronic signature key and an associated public key certificate, implemented by a client unit and a server unit, the method comprising a step during which the client unit and/or the server unit generate(s) a signature key comprising a private key and a public key, and a public key certificate comprising said public key, the method being characterised in that the client unit acquires an item of biometric data of an individual, and in that the signature key and/or the public key certificate are generated from at least a portion of said biometric data, and in that the portion of biometric metric data from which the signature key and/or the public key certificate have been generated is ephemeral and is not memorised after the signature key and the public key certificate have been generated. The invention also concerns a method for transferring a message and a system designed to implement the method for generating a signature key. | 09-24-2015 |
Andrew Anthony Martins, Edmonton CA
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20130090473 | Methods for preparing anti-viral nucleotide analogs - Methods for isolating 9-{(R)-2-[((S)-{[(S)-1-(isopropoxycarbonyl)ethyl]amino}phenoxyphosphinyl)methoxy]propyl}adenine (compound 16): | 04-11-2013 |
20140128602 | METHODS FOR PREPARING ANTI-VIRAL NUCLEOTIDE ANALOGS - Methods for isolating 9-{(R)-2-[((S)—{[(S)-1-(isopropoxycarbonyl)ethyl]amino}phenoxyphosphinyl)methoxy]propyl}adenine (compound 16): | 05-08-2014 |
20150291638 | METHODS FOR PREPARING ANTI-VIRAL NUCLEOTIDE ANALOGS - Methods for isolating 9-{(R)-2-[((S)-{[(S)-1-(isopropoxycarbonyl)ethyl]amino}phenoxyphosphinyl)methoxy]propyl}adenine (compound 16): | 10-15-2015 |
Bo Martins, Rodovre DK
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20140276072 | DOPPLER ULTRASOUND IMAGING - An ultrasound imaging system includes a vector flow imaging processor that processes ultrasound data representing structure flowing through a tubular object and generates vector flow imaging information for a region of interest of the tubular object that is indicative of the structure flowing through a tubular object based thereon and processing circuitry that determines at least one parameter for Doppler imaging based on the vector flow imaging information. | 09-18-2014 |
20140357999 | COLOR FLOW ULTRASOUND IMAGING - An ultrasound imaging system includes an ultrasound transducer array that receives a set of echo signals produced in response to an ultrasound signal traversing flowing structure in a portion of a tubular structure of an object or subject in an imaging field of view, an image processor that processes the set of echo signals and generates an structure image, a color flow processor that processes the set of echo signals and generates a color flow image indicative of a flow of the flowing structure in the portion of the tubular structure, including a flow direction and a flow magnitude of the flowing structure, a color flow corrector that corrects the color flow image for at least one of color noise artifact or color flash artifact, producing a corrected color flow image, and a video processor that displays the structure image and the corrected color flow image superimposed over the structure image. | 12-04-2014 |
Bo Martins, Herlev DK
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20130128691 | MOTION-COMPENSATED ULTRASOUND IMAGES - An echo processor ( | 05-23-2013 |
Carlos Martins, Le Chesnay FR
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20090071189 | CONDENSER FOR A MOTOR VEHICLE AIR CONDITIONING CIRCUIT, AND CIRCUIT COMPRISING SAME - A condenser for a motor vehicle air-conditioning circuit includes a multitude of stacked main-section plates assembled to delimit first flow channels for a refrigerating fluid which alternate with second flow channels for a cooling fluid. The condenser includes at least two passes over the refrigerating fluid. The condenser also includes at least one condenser inlet and one condenser outlet for refrigerating fluid. The condenser also includes an inlet pass over the refrigerating fluid communicating with the condenser inlet and an outlet pass communicating with the condenser outlet. The cross section of the passes diminishes from the inlet pass towards the outlet pass. | 03-19-2009 |
20090084364 | Intake Air Cooler For Dual-State Turbocharging Turbocompressed Heat Engine And Corresponding Air Circuit - The intake air cooler of the invention comprises a first cooling stage ( | 04-02-2009 |
20110017425 | Heat Exchanger For An Air Supply Circuit Of A Motor Vehicle Engine - A heat exchanger ( | 01-27-2011 |
20110108258 | Plate-Type Heat Exchanger, Particularly For Motor Vehicles - A heat exchanger ( | 05-12-2011 |
20120234523 | Automobile Condenser Having Enhanced Integration - The invention relates to a condenser ( | 09-20-2012 |
20130081601 | GAS DISTRIBUTION MANIFOLD IN THE CYLINDER HEAD OF AN ENGINE, WITH THE RECIRCULATED EXHAUST GAS MIXTURE IN A COUNTER-FLOW TO THE ADMISSION GASES - The invention relates to a gas distribution manifold ( | 04-04-2013 |
20130167814 | GAS DISTRIBUTION MANIFOLD IN THE CYLINDER HEAD OF AN ENGINE, SET COMPRISING A DISTRIBUTION MANIFOLD AND AN ENGINE CYLINDER HEAD - The invention relates to a gas distribution manifold ( | 07-04-2013 |
20130291842 | Gas Distribution Manifold And Corresponding Gas Intake Module - A manifold distributes gases into intake ducts of a motor vehicle combustion engine. The intake ducts are distributed in at least two distant groups, each duct of one group supplying one and the same cylinder of the engine as a duct of the other group. The manifold includes a manifold casing through which a flow of intake gases can flow, and an injection duct for injecting a flow of recirculated exhaust gases into the flow of intake gases. The casing is capable of directing the flow of intake gases and the flow of recirculated exhaust gases toward the intake ducts of the engine, and the injection duct is arranged inside the manifold casing so as to be able to be positioned between the two groups of intake ducts. | 11-07-2013 |
20140231054 | STACKED PLATE EXCHANGER CASING AND EXCHANGER COMPRISING SUCH A CASING - A housing of a stacked-plate heat exchanger is disclosed, the housing defining a volume for accepting a plurality of stacked plates that are configured for the circulation of a fluid that is to be cooled and of a coolant. The housing defines an interface able to accept a header tank for the fluid that is to be cooled and comprising a first part able to move in the direction in which the plates are stacked when the stacked plates are being brazed, and a second part that has at least one flank defining the interface, the first and second parts being able to be assembled with one another when the plates are being brazed. A heat exchanger comprising the housing is also disclosed. | 08-21-2014 |
Christina Martins, London GB
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20080319001 | Cancer Treatment Using Specific 3,6,9-Substituted Acridines - The present invention relates to a 3,6,9 acridine compound and optionally substituted derivatives thereof that may be useful in the treatment of cancer. The invention also provides compositions comprising the compounds and uses thereof. Formula (I) wherein each of R | 12-25-2008 |
Damien Martins, Rouen FR
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20100036165 | Process for obtaining the crystalline form V of agomelatine - Process for obtaining the crystalline form V of the compound of formula (I): | 02-11-2010 |
20120321714 | SOLID PHARMACEUTICAL COMPOSITION CONTAINING 6-OXO-6,7,8,9,10,11-HEXAHYDROCYCLOHEPTA (C)CHROMEN-3-YL SULFAMATE AND POLYMORPHS THEREOF - The present invention relates to a solid pharmaceutical composition including the active principle 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl sulfamate. The present invention also relates to polymorphs of the 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl sulfamate compound. | 12-20-2012 |
20140056977 | SOLID PHARMACEUTICAL COMPOSITION CONTAINING 6-OXO-6,7,8,9,10,11-HEXAHYDROCYCLOHEPTA (C)CHROMEN-3-YL SULFAMATE AND POLYMORPHS THEREOF - The present invention relates to a solid pharmaceutical composition including the active principle 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl sulfamate. The present invention also relates to polymorphs of the 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl sulfamate compound. | 02-27-2014 |
Emiliano Rezende Martins, St Andrews GB
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20140251412 | Thin Film Solar Cell - A solar cell that has a thin film of active material in which is defined a series or array of diffraction cells, wherein each diffraction unit-cell has a non-periodic series of diffraction features and is adapted to suppress at least one low order diffraction mode. | 09-11-2014 |
Evelyn Martins, Vaudreuil-Dorion CA
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20110301143 | HETEROCYCLIC DERIVATIVES AS INHIBITORS OF STEAROYL-COENZYME A DELTA-9 DESATURASE - Heterocyclic compounds of structural formula (I), or a pharmaceutically acceptable salt thereof, wherein W is a R | 12-08-2011 |
20120010186 | HETEROCYCLIC COMPOUNDS AS INHIBITORS OF STEAROYL-COENZYME A DELTA-9 DESATURASE - Heterocyclic compounds of structural formula I are inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD). The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease; atherosclerosis; obesity; diabetes; neurological disease; Metabolic Syndrome; insulin resistance; cancer, liver steatosis; and non-alcoholic steatohepatitis. | 01-12-2012 |
Evelyn Martins, Vaudreuil CA
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20090075998 | 2-(phenyl or heterocyclic)-1H-phenantrho[9,10-d]imidazoles as mPGES-1 inhibitors - The invention encompasses novel compounds of Formula I | 03-19-2009 |
20090209571 | Phenanthrene derivatives as MPGES-1 inhibitors - The invention encompasses novel compounds of Formula or pharmaceutically acceptable salts thereof. These compounds are inhibitors of the microsomal prostaglandin E synthase-1 (mPGES-1) enzyme and are therefore useful to treat pain and/or inflammation from a variety of diseases or conditions, such as osteoarthritis, rheumatoid arthritis and acute or chronic pain. Methods of treating diseases or conditions mediated by the mPGES-1 enzyme and pharmaceutical compositions are also encompassed. | 08-20-2009 |
20090286772 | 2-(Phenyl or Heterocyclic)-1H-Phenanthro[9,10-D]Imidazoles - The invention encompasses novel compounds of Formula (I) or pharmaceutically acceptable salts thereof. These compounds are inhibitors of the microsomal prostaglandin E synthase-1 (mPGES-1) enzyme and are therefore useful to treat pain and/or inflammation from a variety of diseases or conditions, such as osteoarthritis, rheumatoid arthritis and acute or chronic pain. Methods of treating diseases or conditions mediated by the mPGES-1 enzyme and pharmaceutical compositions are also encompassed. | 11-19-2009 |
Fanny Martins, Cagnes Sur Mer FR
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20150335620 | OIL SUSPENSION OF METRONIDAZOLE - The present invention relates to a palatable oral veterinary pharmaceutical composition consisting of an oil suspension of metronidazole and comprising metronidazole in an edible animal, vegetable or mineral oil and the use thereof for treating diarrhoea in animals, in particular giardiasis, or inflammatory diseases of the digestive tract. | 11-26-2015 |
20160038420 | NUTRITIONAL AND MEDICINAL ORAL COMPOSITION FOR VETERINARY USE - The invention relates to a method for producing a nutritional and medicinal oral composition for veterinary use, comprising the following steps: a) providing cores of extruded products of complete feed, and b) coating the cores of extruded products of complete feed provided in step a) with at least one layer of a fatty material comprising at least one medicinal agent, said medicinal agent comprising (i) at least one pre-conditioned active substance in the form of a solution or a suspension of said active substance in an oily liquid, or (ii) at least one pre-conditioned active substance in the form of waxy granulates, at a temperature lower than 40° C. | 02-11-2016 |
Fernando Martins, Beijing CN
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20080243793 | Contact Information Capture and Link Redirection - A contact information function associated with a web browser maintains a look-up table of recognizer functions, indexed by regular expressions that specify URLs. Upon a user entering or selecting a URL, the contact information function indexes the look-up table with the URL against the regular expressions. If one or more recognizers are found, the web content returned from the URL is processed by each of the recognizers, which recognize the format of information on that web site, and locate and extract contact information from the web content. The contact information may be saved, formatted, and output to other applications. Updated recognizers may be downloaded from a recognizer server. | 10-02-2008 |
Gabriel Martins, Lavey-Village CH
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20140373575 | Knitting Method for a Flat Knitting Machine and Flat Knitting Machine - The invention relates to a knitting method for a flat knitting machine and a flat knitting machine making it possible to implement the method. The machine comprises a plurality of storage elements ( | 12-25-2014 |
Guillaume Martins, Mantes La Jolie FR
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20110236665 | WIPE MATERIALS COMPRISING REGENERATED PLANT-PROTEIN FIBRES - A thermo-bonded non-woven fibrous wipe material is described, in which at least some of the fibres are regenerated plant-protein fibres. Also described is a method of making such a thermo-bonded fibrous non-woven wipe material, comprising the steps of forming a non-woven web of fibres, the web containing heat-sensitive material, and applying heat to the web to melt the heat-sensitive material and thereby cause fibres in the web to be bonded together; wherein at least some of the fibres are regenerated plant-protein fibres. The regenerated plant-protein fibres may comprise soybean protein. | 09-29-2011 |
Jean-Pierre Martins, Villelaure FR
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20110098619 | SHOULDER MECHANISM FOR AN ORTHOSIS - The invention relates to a shoulder mechanism for an orthosis, providing a ball type joint between a support and an orthosis upper arm, comprising a first intermediate element mounted to pivot on the support about a first pivot axis, a second intermediate element mounted to pivot on the first intermediate element about a second pivot axis, the upper arm being mounted to pivot on the second intermediate element about a third pivot axis. According to the invention, the first pivot axis extends in a longitudinal horizontal direction, the first intermediate element including a circular rail on which the second intermediate element slides and that presents a geometrical axis defining the second pivot axis that extends vertically when the upper arm is at rest, the circular rail extending to go around the shoulder on the outside. | 04-28-2011 |
Joao Paulo Trierveiler Martins, Germering DE
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20150102779 | Device and Method for Charging a Battery - A method for charging a battery is provided, wherein current pulses are supplied to the battery, wherein each pulse is followed by a rest period during which no current is supplied to the battery, and wherein the state of charge of the battery is determined during the rest period. | 04-16-2015 |
José Martins, Frontignan FR
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20140378648 | METHOD FOR PREPARING A COMPOUND COMPRISING AT LEAST ONE BETA-HYDROXY-URETHANE UNIT AND/OR AT LEAST ONE UPSILON-HYDROXY-URETHANE UNIT - The invention relates to a method for preparing a compound comprising at least one β-hydroxy-urethane unit and/or at least one γ-hydroxy-urethane unit, consisting in reacting a compound (A) comprising at least one cyclocarbonate reactive unit with a compound (B) comprising at least one amino reactive unit (—NH2) in the presence of a catalyst. The invention also relates to the use of a catalyst comprising at least one organometallic complex and a co-catalyst chosen from the group of Lewis bases and/or tetra-alkyl ammonium salts, in order to catalyse the method of the invention. The invention relates to the technical field of preparing urethane derivatives. | 12-25-2014 |
Jose Luis Simoes Martins, Etobicoke CA
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20090053345 | Concrete slip forming device - The present invention is an improved slip forming device for forming a concrete curb having a desired profile. The device consists of a hopper portion and a removeable extruder portion, the extruder portion being adapted and configured to extrude the concrete curb having the desired profile. The hopper portion of the invention has a top, an open bottom, side walls and a back wall having an opening. The extruder portion of the invention has a front wall, a back wall, a closed top, and open bottom and side walls. The front wall of the extruder has a front opening and the back wall of the extruder has a rear opening, the top and side walls of the extruder forming a channel between the front and rear openings of the extruder. The rear opening of the extruder is substantially in the form of the desired profile. The front wall of the extruder is releasably mounted to the back wall of the hopper such that the front opening of the extruder is in communication with the opening of the hopper. The device includes a pair of mounting arms mounted to the hopper and extending away from the hopper, the extruder being mounted to the support arms. The extruder is releasably mounted to the hopper by means of a plurality of mounting flanges positioned on the back wall of the hopper and the front wall of the extruder, the mounting flanges being held together by mounting bolts. | 02-26-2009 |
Leonardo Martins, London GB
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20140172994 | PREEMPTIVE DATA RECOVERY AND RETRANSMISSION - A data transfer mechanism including at least one data buffer through which messages are sent from a message sender to a message receiver, a preemptive recovery mechanism, and a preemptive retransmission mechanism. The preemptive recovery mechanism and the preemptive retransmission mechanism include at least portions of a control data path, an event handler, a processor, and a cache. The preemptive recovery mechanism sends an early warning message to the message sender independently of the message receiver upon detection that the data buffer is nearing overflow. The preemptive retransmission mechanism sends a retransmission request on behalf of the receiver to the sender, independently of the message receiver, upon detection that the receiver's data buffer has overflowed. | 06-19-2014 |
Marcelo Cabaleiro Martins, Aachen DE
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20110075698 | Device for analyzing a beam profile of a laser beam - A device for analyzing a beam profile of a laser beam includes a carrier plate, a plurality of first temperature-sensitive measuring elements, in particular diodes, which are arranged in a preferably matrix-like arrangement on a first side of the carrier plate at a plurality of measuring locations, and a plurality of second temperature-sensitive measuring elements, in particular diodes, which are arranged in another preferably matrix-like arrangement on a second side of the carrier plate. One of the first measuring elements is arranged in each case opposite one of the second measuring elements and is thermally coupled to the first measuring element using strip conductors which extend through the carrier plate. Such a device can be included in a laser processing machine and used in an associated method for analyzing a beam profile of a laser beam. | 03-31-2011 |
Olivier Martins, Saint Martins D'Heres FR
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20120116735 | METHOD AND DEVICE FOR CREATING AND EXPLOITING THERMAL MODELS - The invention relates to a method for thermal simulation of an electronic circuit, including: | 05-10-2012 |
Paolo Martins, Palaiseau FR
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20150180108 | PASSIVE MICROELECTRONIC COMPONENTS, CAPABLE OF ALLOWING A RADIO-FREQUENCY OR HYPER-FREQUENCY SIGNAL TO TRAVEL IN A SINGLE DIRECTION - A passive radiofrequency microelectronic components for an integrated circuit which includes a dielectric substrate and at least one metal conductive layer positioned on said substrate. The conductive layer including at least one first metal conductive portion and a second metal conductive portion separated by an insulation. A microelectronic component according to the invention includes at least one graphene layer positioned so that a radiofrequency or hyperfrequency signal crosses said at least one graphene layer when it is transmitted between said first metal conductive portion and said second metal conductive portion, said graphene layer being able, when it is subject to an electric potential, to transmit said radiofrequency or hyperfrequency signal along a first direction and to attenuate said radiofrequency or hyperfrequency signal along a second direction opposite to said first direction. | 06-25-2015 |
Patrice Martins, Lamorlaye FR
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20110111198 | PRODUCT BASED ON MINERAL FIBERS AND PROCESS FOR OBTAINING IT - A thermal insulation product based on mineral wool, characterized in that the fibers have a micronaire of less than 10 l/min, preferably less than 7 l/min and especially between 3 and 6 l/min, and in that the material has a thermal conductivity of less than 31 mW/m·K, especially less than 30 mW/m·K. The parameters for obtaining this product are in particular the pressure of the burner, the rotation speed of the fiberizing spinner and the daily fiber output per spinner orifice. | 05-12-2011 |
20150152001 | DEVICE FOR FLOWING MOLTEN GLASS - A device for flowing molten glass suitable for installation on a glass melting furnace, including: a flow channel including an outlet of given diameter; and a device for regulating flow of molten glass at an outlet of the flow channel, including: a removable plate including a through-orifice with an area smaller than an area of the outlet of the flow channel; and a movable shuttering mechanism configured to adjustably shutter the outlet of the flow channel or the through-orifice of the removable plate. The device allows a single furnace to be used for various types of glasses having very different viscosities. | 06-04-2015 |
Ralph Martins, Maddington AU
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20100173850 | Improved Peptide Composition - A peptide sequence of the form: X(Lys,Arg)XXXXX(Arg,Lys)X, wherein Lys and Arg arc replaceable and X is preferably one or more of the following amino acids: hydrophobic amino acid residues (eg Pro, Leu. Met, Ile), basic amino acid residues or threonine; and wherein the sequence is capable of engaging Λβ and ameliorating its SOD activity and/or metal ion binding. | 07-08-2010 |
Ralph N. Martins, Maddington AU
Rita Martins, Lund SE
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20080227092 | Solid-Phase Oligosaccharide Tagging: a Technique for Manipulation of Immobilized Carbohydrates - The invention relates to methods of manipulating immobilised carbohydrates by derivatisation. Depending on the nature of the derivatisation, the carbohydrate may thereby be more easily detected and/or identified or handled. In particular, the invention relates to methods of preparing a reactive sugar comprising the steps of: i) providing a sample comprising a reducing sugar; ii) providing a solid support covalently attached to a linker comprising a capture group comprising an —NH2 group, wherein said linker optionally is attached to said solid support via a spacer; iii) reacting said reducing sugar with said —NH2 group, thereby obtaining an immobilised sugar; iv) reacting free —NH2 groups with a capping agent, wherein the capping agent comprises a reactive group capable of reacting with an —NH2 group; and v) reducing C═N bonds with a reducing agent, thereby obtaining an reactive sugar of the structure SugarCH | 09-18-2008 |
20100047828 | SOLID-PHASE DETECTION OF TERMINAL MONOSACCHARIDES CLEAVED FROM GLYCOSYLATED SUBSTRATES - The present invention relates to a novel method for analysing carbohydrates. The invention is in particular useful in detecting a terminal monosaccharide which may be released from a glycosylated substrate for example using an exoglucosidase. After relase from the glycosylated substrate the terminal monosaccharide may be captured on a solid support, incubated with a boronate detection agent and detected by aid of the boronate detection agent. The methods of the invention are useful for a variety of purposes including sequencing of carbohydrates, wherein exoglycosidases with predetermined specificity are employed for the release. | 02-25-2010 |
Rui P. Martins, Taipa CN
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20150280958 | NON-RECURSIVE DIGITAL CALIBRATION FOR JOINT-ELIMINATION OF TRANSMITTER AND RECEIVER I/Q IMBALANCES WITH MINIMIZED ADD-ON HARDWARE - A digital calibration circuit is used to provide joint-elimination of transmitter and receiver I/Q imbalances. Digital I and Q quadrature signals are received and converted to analog I and Q quadrature signals on I and Q for transmission on output channels. An output mixer is used to convert the quadrature signals to an unbalanced RF output. An unbalanced RF signal is received selectively either externally or from the RF output using a source follower, and the received signal is mixed to provide analog I and Q quadrature signals, using a local oscillator (LO). The LO adds an additional 90° phase shift between I and Q quadrature channels of the unbalanced RF input. Parameter estimating the transmitted digital I and Q quadrature signals and providing estimations of I and Q quadrature imbalance conditions. | 10-01-2015 |
Rui P. Martins, Macau CN
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20100182080 | DC-OFFSET CANCELLED PROGRAMMABLE GAIN ARRAY FOR LOW-VOLTAGE WIRELESS LAN SYSTEM AND METHOD USING THE SAME - An amplifier circuit includes a transconductance amplifier at an input side of the amplifier circuit, a transimpedance amplifier connected to an output of the transconductance amplifier, and a voltage amplifier connected to an output of the transimpedance amplifier. The transconductance amplifier and the transimpedance amplifier form a low-impedance node at an interface thereof. A feedback circuit is connected between an output of the voltage amplifier and the low-impedance node between the transconductance amplifier and the transimpedance amplifier. The transconductance amplifier, the transimpedance amplifier, and the voltage amplifier form a main amplifier stage. The feedback circuit senses an imbalance in an output of the main amplifier stage, whereby a correction signal is integrated and negatively fed back to the low-impedance node between the transconductance amplifier and the transimpedance amplifier. | 07-22-2010 |
20100184399 | SWITCHED CURRENT RESISTOR PROGRAMMABLE GAIN ARRAY FOR LOW-VOLTAGE WIRELESS LAN AND METHOD USING THE SAME - A switched current resistor (SCR) PGA for constant-bandwidth gain control includes an inverting amplifier, a feedback resistor forming a feedback loop between an output side and an input side of the inverting amplifier, and a switched current resistor (SCR) array connected in parallel to the feedback resistor, and configured to tune a gain range between a maximum and a minimum. The SCR array includes a plurality of switched resistors, each comprising a switch in series with a resistor. When the plurality of switched resistors are switched by a gain-control logic, a plurality of switched current sources and a plurality of grounded resistors are switched correspondingly to deliver a transient current, an equivalent of which flows through the plurality of grounded resistors out from the input side of the inverting amplifier, leading to a feedback factor of the PGA being constant. | 07-22-2010 |
Rui Paulo Da Silva Martins, Macau CN
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20080318534 | TWO-STEP CHANNEL SELECTION FOR WIRELESS TRANSMITTER FRONT-ENDS - A reconfigurable multimode transmitter is disclosed, operating in accordance with a two-step channel selection. The first step provides for a fine channel selection and upconversion of a desired channel to either positive or negative IF. The second step is a coarse channel selection and upconversion of a desired channel to the RF. The receiver and transmitter can be used in a transceiver. | 12-25-2008 |
20120194364 | ANALOG-TO-DIGITAL CONVERTING SYSTEM - A novel analog-to-digital converter (ADC) system using a two-step conversion is disclosed. The ADC system is capable of achieving high sampling rate, low power consumption and low complexity. The new proposed ADC is formed by cascading a flash ADC having high sampling rate and low resolution with a successive approximation (SA) ADC having low power consumption and low sampling rate. | 08-02-2012 |
20120229313 | ANALOG TO DIGITAL CONVERTER CIRCUIT - The present invention provides an analog-to-digital converter (ADC) circuit comprising two time-interleaved successive approximation register (SAR) ADCs. Each of the two time-interleaved SAR ADCs comprises a first stage SAR sub-ADC, a residue amplifier, a second stage SAR sub-ADC and a digital error correction logic. The residue amplifier is shared between the time-interleaved paths, has a reduced gain and operates in sub-threshold to achieve power effective design | 09-13-2012 |
20120286840 | DELAY GENERATOR - A delay generator comprises: a current source for supplying a current; a first delay portion, connected to the current source, comprising at least a plurality of inverters and a first capacitor having a first capacitance; and a second delay portion, connected to the current source, comprising at least a plurality of inverters and a second capacitor having a second capacitance, wherein the first capacitance is the same as the second capacitance, wherein the first delay portion generates a first delay by discharging of the first capacitor, wherein the second delay portion generates a second delay by charging of the second capacitor, and wherein the total delay generated by the delay generator is obtained by summation of the first delay and the second delay. | 11-15-2012 |
20120306679 | N-BITS SUCCESSIVE APPROXIMATION REGISTER ANALOG-TO-DIGITAL CONVERTING CIRCUIT - The present invention provides an n-bits successive approximation register (SAR) analog-to-digital converting (ADC) circuit, comprising: an n-bits SAR control logic, a p-type capacitor network including a DAC | 12-06-2012 |
20140132307 | Comparator and calibration thereof - A comparator is provided and the comparator includes a comparing input unit and a latching unit. Wherein, the comparing input unit has a first input receiving a first comparing signal and has a second input receiving a second comparing signal. The comparing input unit drives a first intermediate node signal at a first intermediate node depending on the first comparing signal according to a first strobe signal, and the comparing input unit drives a second intermediate node signal at a second intermediate node depending on the second comparing signal according to the first strobe signal. The latching unit determines a comparing result according to at least one of the first intermediate node signal and the second intermediate node signal. In addition, the latching unit latches the comparing result according to a second strobe signal. | 05-15-2014 |
20140232465 | FREQUENCY COMPENSATION TECHNIQUES FOR LOW-POWER AND SMALL-AREA MULTISTAGE AMPLIFIERS - A three stage amplifier is provided and the three stage amplifier comprises a first gain stage, a second gain stage and a third gain stage wherein said first stage receives an amplifier input signal and said third gain stage outputs an amplifier output signal. The amplifier includes a feedback loop having a current buffer and a compensation capacitance provided from the output of said third gain stage to the output of the first gain stage. In addition, an active left half plane zero stage is embedded in said feedback loop for cancelling a parasitic pole of said feedback loop. | 08-21-2014 |
20140368363 | Sampling front-end for Analog to Digital Converter - A sampling front-end for analog to digital converter is presented that shares a high speed N-bit ADC at front-end and interleaves the pipelined residue amplification with shared amplifier, which achieves high speed, low power and compact area with high density capacitive DAC structure. | 12-18-2014 |
20150123736 | WIDEBAND DRIVER AMPLIFIER - A wideband driver amplifier with embedded passive filtering and gain peaking is described. The wideband driver amplifier comprises a voltage to current circuit, a passive band-selection filter, and a current to voltage circuit. The driver amplifier features an Embedded CLC-Ladder band-selection filter and thereby immune to process variations. | 05-07-2015 |
20150123738 | POLY-PHASE LOCAL OSCILLATOR - One embodiment of the present invention features a poly-phase local oscillator generator combining frequency dividers and direct-injection-locked phase correctors. The poly-phase local oscillator generator comprises a plurality of phase correctors configured to relax frequency and tuning range of a reference local oscillator (LO), and a plurality of frequency dividers, coupled to the phase correctors, configured to offer different frequency segments. The phase correctors are expandable, so that phase accuracy can be optimized by cascading more of themselves. | 05-07-2015 |
20150126140 | WIRELESS TRANSMITTER - A wireless transmitter for resolving gain mismatch of TV band is disclosed. In one embodiment, a wireless transmitter comprises a two-stage 14-path harmonic-rejection mixer to manage harmonic rejection ratio in lower sub-bands, and a two-stage 6-path harmonic-rejection mixer to manage harmonic rejection ratio in upper sub-bands. The gain mismatch is resolved by selecting gain ratios of the first and the second stage of the two-stage 14-path harmonic-rejection mixer and the two-stage 6-path harmonic-rejection mixer. | 05-07-2015 |
Rui Paulo Da Silva Martins, Taipa CN
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20150303897 | IF-Noise-Shaping Transistorized Current-Mode Lowpass Filter Utilizing Cross Coupled Transistors - An IF-noise-shaping transistorized current-mode lowpass filter is applied to quadrature in a balanced circuit. A first pair of transistors receiving current inputs from a mixer are connected so that each of the first pair of transistors has its gate cross coupled to the output of the other of the first pair of transistors. A second pair of transistors are connected in series with respected outputs of respective ones of the first pair of transistors and having gates connected to a first common voltage node, and a capacitance is used to connect the current inputs of one of the first and second pairs of transistors. An active inductive load is connected between the current inputs of one of the first and second pairs of transistors. | 10-22-2015 |
20150303955 | Complex-Pole Load Offering Concurrent Image Rejection and Channel Selection - A complex-pole load is configured as a parallel circuit, having 4 transistors arranged in pairs. Each pair of transistors has a transistor gated by a control voltage sources, and connected in parallel with a transistor diode connected for gating by the respective input. The control voltage sources result in the circuit synthesizing a first order complex pole at a positive IF (+IF) or a negative IF (−IF) for channel selection and image rejection, offering image rejection and channel selection concurrently. | 10-22-2015 |
20150304155 | ZigBee Receiver Exploiting an RF-to-BB Current-Reuse Blixer and Hybrid Filter Topology - A unified balun low noise amplifier (LNA) and I/Q mixer is provided as a single-chip design, and includes a passive/active gain-boosted balun-LNA-I/Q-mixer (blixer), a filter section and a buffer amplifier. The filter section includes an IF-noise-shaping transistorized current-mode lowpass filter sharing a common power supply with the blixer, which allows the blixer and lowpass filter to draw a single bias current. The filter section also includes a complex-pole load providing image rejection and channel selection. | 10-22-2015 |
Sebastien Martins, Apremont FR
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20150029586 | Method For Creating A Viewing Screen Having An Injection Overmolded Insert - The invention relates to a method for creating a viewing screen ( | 01-29-2015 |
20150036097 | Method For Producing Polarizing Lenses, And Polarizing Lens Obtained By Said Method - The invention relates to a polarizing lens consisting, in order, of a polyamide mechanical substrate, a polyvinyl alcohol intermediate layer, and a cellulose triacetate outer layer. The invention also relates to a method for manufacturing such a lens. | 02-05-2015 |
Steven Martins, Milton Keynes GB
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20150134535 | DATA LINK MODULE - An interface module configured to provide codes to be used in determining an availability status of service points, wherein the module receives status data from a secure transaction system and selects a predetermined code or generates a code in accordance with predefined syntax, the code indicative of the availability of the service points and relays the selected code to a retail customer queue management system for determining the availability of a service point. | 05-14-2015 |
Steven Martins, Exeter, Devon GB
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20150364614 | Detector - A detector is described comprising a first graphene element ( | 12-17-2015 |
Sudarshan Martins, Montreal CA
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20100024518 | INSTRUMENTED BALL - An instrumented ball for collecting data in an industrial mill comprising a durable sphere defining an enclosed cavity and having a substantial thickness, the sphere manufactured from a resilient material able to withstand pressures exerted by a working industrial mill, electronics disposed in the cavity comprising: a plurality of devices for sensing physical conditions inside the mill, wherein each of the sensing devices outputs a series of sensed values, the devices comprising at least an accelerometer, a gyroscope, a thermocouple, a microphone and a wear sensor, a memory for storing the sensed values, and a communication port for transmitting the sensed values to an external device located outside of the mill, and a power source disposed in the cavity for powering the electronics. | 02-04-2010 |
20120223497 | Particulate Filled Wheel - Pneumatic tires made of a flexible elastomer material are well established for vehicles on paved roads. However, in many instances paved roads are in the minority, a rarity, or non-existent. Further many applications of motorized vehicles occur permanently off paved or unpaved surfaces where terrain is not solid but loose. Elsewhere compacted snow, very low temperatures, rocky environments, and mud present issues to pneumatic tires as does increasing vehicle weight which requires the load to be distributed across multiple wheels. It would be beneficial to have a tire that allowed for an expansion of the design space for tires that addresses the issues discussed above in a wide range of lunar and planetary environments with high load bearing. Such a tire is presented employing flexible particulate filled designs for improved drawbar pull, lateral resistance, hill climb potential, rolling resistance, and terrain accommodation. | 09-06-2012 |