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864 results about "Reactive components" patented technology
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Reactive component. noun. 1 : the component of an alternating current that has a phase difference of 90° with the electromotive force. 2. : the component of the voltage across the circuit that is in quadrature with the current and that produces no power in an alternating current circuit. — called also wattless component.
Accident avoidance systems and methods
InactiveUS7295925B2Avoid accidentsAvoid and minimize effectVehicle seatsAnalogue computers for vehiclesCommunications systemEngineering
Method and system for preventing accidents between first and second vehicles includes a positioning system arranged in each vehicle for determining the absolute position thereof, a memory unit arranged in the first vehicle for storing data about travel lanes, a communication system for transmitting the position of the second vehicle to the first vehicle, a receiver system arranged in the first vehicle for receiving position information from the second vehicle, a processor coupled to the positioning system, the receiver system and the memory unit in the first vehicle for predicting a collision between the vehicles based on the position of the vehicles and travel lane data, and a reactive component arranged in the first vehicle and coupled to the processor. The reactive component is arranged to initiate an action or change its operation when a collision is predicted by the processor, e.g., sound or indicate an alarm.
Owner:AMERICAN VEHICULAR SCI
Regeneration of biosensors
InactiveUS6812031B1Low rateReduce trafficMicrobiological testing/measurementMaterial analysis by electric/magnetic meansAnalyteEngineering
The invention comprises a method of regenerating a biosensor. It involves passing a background flow of fluid without reactive components through the flow passage. At a selected point in time a sample aliquot is injected into said background flow. At a point in time when a signal from said sensor is obtained the flow rate of the background fluid is increased. The invention also comprises a system for continuous monitoring of analytes in a biological fluid, the system having increased life by virtue of inherent regeneration of sensors employed. It comprises a biosensor (26, 30, 32), a sampling device (4) for providing a sample of said biological fluid, and means (10, 15, 18, 24) for passing a flow of a background fluid through said flow passage at selectable flow rates, means (20, 50, 55) for injecting said sample into said flow of background fluid, and means (50, 55) for increasing the flow rate of said combined flow. Means for achieving a washing action at the signal generating portion are provided.
Owner:SENZIME
Methods and apparatus for control of inductively coupled power transfer systems
A power pick-up for an Inductively Coupled Power Transfer (ICPT) system is provided having a resonant pick up circuit. The natural frequency of the pick-up circuit may be varied by controlling the conductance or capacitance of a variable reactive in the resonant circuit. The load being supplied by the pick-up circuit is sensed, and the effective capacitance or inductance of the variable reactive component is controlled to vary the natural resonant frequency of the pick-up circuit to thereby control the power flow into the pick-up to satisfy the power required by the load.
Owner:AUCKLAND UNISERVICES LTD
Ionic silicone hydrogels having improved hydrolytic stability
ActiveUS20100249356A1Improve thermal stabilityDesirable protein uptakeOptical partsOptical elementsPolymer scienceProtein uptake
The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.
Owner:JOHNSON & JOHNSON VISION CARE INC
Accident Avoidance Systems and Methods
InactiveUS20070109111A1Avoid accidentsAvoid and minimize effectVehicle seatsInstruments for road network navigationCommunications systemEngineering
Method and system for preventing accidents between first and second vehicles includes a positioning system arranged in each vehicle for determining the absolute position thereof, a memory unit arranged in the first vehicle for storing data about travel lanes, a communication system for transmitting the position of the second vehicle to the first vehicle, a receiver system arranged in the first vehicle for receiving position information from the second vehicle, a processor coupled to the positioning system, the receiver system and the memory unit in the first vehicle for predicting a collision between the vehicles based on the position of the vehicles and travel lane data, and a reactive component arranged in the first vehicle and coupled to the processor. The reactive component is arranged to initiate an action or change its operation when a collision is predicted by the processor, e.g., sound or indicate an alarm.
Owner:AMERICAN VEHICULAR SCI
Method and apparatus for driving multiple LED devices
InactiveUS20110068700A1High efficiency circuit operationSimplified power conversion processElectrical apparatusElectroluminescent light sourcesBalancing networkEngineering
A series of methods of driving multiple LED devices with high efficiency balancing technique is disclosed. The regulation of the LED current is accomplished by switching operation to compensate the difference of the LED operating voltage. Reactive components are also employed to construct non-dissipative balancing networks to drive multiple LED strings with low losses. Additionally, a series of concept is presented to drive the LED devices from PFC voltage directly with low cost circuit architecture.
Owner:SUNTEC ENTERPRISES
Adaptive antenna tuning systems and methods
Embodiments include antenna tuning systems and methods of tuning an antenna of a wireless device with an antenna, a circuit with at least one tunable component, and a processing system. The processing system determines tuning selection inputs during a communication session. Based on the tuning selection inputs, the processing system determines one or more component values for one or more tunable components. In an embodiment, the component value(s) are determined from a set of pre-defined component values. The tunable component(s) are controlled to have the determined component value(s). The circuit may be an impedance matching circuit that includes at least one tunable reactive component. Alternatively, the circuit may be an antenna tuning circuit that includes at least one variable component. In an embodiment, both an impedance matching circuit and an antenna tuning circuit may be implemented, with each type of circuit having one or more tunable components.
Owner:GOOGLE TECH HLDG LLC
Ionic silicone hydrogels having improved hydrolytic stability
ActiveUS8470906B2Improve thermal stabilityDesirable protein uptakeOptical partsOptical elementsPolymer scienceProtein uptake
The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.
Owner:JOHNSON & JOHNSON VISION CARE INC
Storage stable isocyanate-reactive component containing vegetable oil-based polyol
The present invention provides an isocyanate-reactive component containing at least 10 wt. %, based on the weight of the isocyanate-reactive component, of a vegetable oil-based polyol, a nonionic emulsifier containing one of an aliphatic alcohol ethoxylate and an aliphatic phenol ethoxylate having a polymerized ethylene oxide content of at least 25 moles per equivalent of alcohol or phenol and a HLB value greater than 17, one or more non-vegetable oil-based polyols, one or more silicone surfactants, and optionally, water or other blowing agents, catalysts, pigments and fillers, wherein the isocyanate-reactive component is storage stable at temperatures of from −10° C. to 60° C. for at least three days. The inventive isocyanate-reactive component can be shipped and stored at normal shipping and storage temperatures and still produce acceptable foam on a daily basis whilst helping to satisfy polyurethane foam and elastomer producers' “green” requirements.
Owner:BAYER MATERIALSCIENCE AG
Miniature sub-resonant multi-band vhf-uhf antenna
InactiveUS20080305750A1Low costSmall sizeAntenna supports/mountingsModulation with suppressed carrierMulti bandAntenna design
A novel antenna system for receiving transmissions in the VHF and UHF frequency bands particularly suitable as a miniaturized antenna for UHF reception, such as of digital video broadcasting transmissions. The antenna system utilizes a combination of three techniques including (1) the use of dialect loading using a high dielectric constant ceramic substrate; (2) an antenna dielectrically loaded and tuned to a significantly higher frequency than desired; and (3) use of a tuning circuit to compensate for the frequency offset of the antenna thereby shifting the resonant frequency to cover the entire band. The antenna is intentionally designed to be too small to radiate at the frequency of interest. The antenna element is then ‘forced’ to be tuned to the desired lower frequency using passive (or active) reactive components as part of a tuning circuit. Multi-band operation is achieved by providing a bypass switch to connect the antenna element either to (1) a first receiver without the tuning circuit (i.e. high frequency tuning) or (2) a second receiver with the tuning circuit (i.e. low frequency tuning).
Owner:VISHAY INTERTECHNOLOGY INC
Vehicular monitoring systems using image processing
InactiveUS6856873B2Accurate identificationReduce glareVehicle seatsDigital data processing detailsImaging processingMonitoring system
Vehicular monitoring arrangement for monitoring an environment of the vehicle including at least one active pixel camera for obtaining images of the environment of the vehicle and a processor coupled to the active pixel camera(s) for determining at least one characteristic of an object in the environment based on the images obtained by the active pixel camera(s). The active pixel camera can be arranged in a headliner, roof or ceiling of the vehicle to obtain images of an interior environment of the vehicle, in an A-pillar or B-pillar of the vehicle to obtain images of an interior environment of the vehicle, or in a roof, ceiling, B-pillar or C-pillar of the vehicle to obtain images of an interior environment of the vehicle behind a front seat of the vehicle. The determined characteristic can be used to enable optimal control of a reactive component, system or subsystem coupled to the processor. When the reactive component is an airbag assembly including at least one airbag, the processor can be designed to control at least one deployment parameter of the airbag(s).
Owner:AMERICAN VEHICULAR SCI
Selectable resonant frequency transcutaneous energy transfer system
InactiveUS20110101790A1Reduce power lossIncrease rangeElectrotherapyTransformersEnergy transferControl power
An inductive power transfer system includes a number of controllable reactive components (3, 6, 12, 13, 16) that allow the resonant frequency of a primary and / or secondary resonant circuit to be controllably varied to thereby control power available to a load (10).
Owner:MILLAR INSTR
Selective deposition modeling with curable phase change materials
InactiveUS20030083771A1Improve mechanical propertiesEasy to disassembleAdditive manufacturing apparatusConfectionerySelective depositionPhase change
A selective deposition modeling method and apparatus for dispensing a curable phase change material. The dispensing temperature of the material is set at or less than a thermally stable temperature value for the material in which the reactive component of the material remains substantially uncured when held at the temperature for a desired time period. The dispensed material is provided with an environment that enables the material to solidify to form layers of the object. The solidified material is normalized to a desired layer thickness and is then cured by exposure to actinic radiation. In a preferred embodiment a UV curable phase change material is dispensed at about 80° C. and has a viscosity of about 13 to about 14 centipoise at this temperature. The cured material provides substantially increased physical properties over thermoplastic phase change materials previously used in selective deposition modeling.
Owner:3D SYST INC
Silicone polymers comprising sulfonic acid groups
The present invention relates to a silicone polymer comprising a sulfonic acid component formed from reactive components comprising (i) at least one silicone component and (ii) at least one sulfonic acid-containing component, wherein the sulfonic acid-containing component is comprised of a non-polymerizable, hydrophobic cation and a polymerizable sulfonic acid.
Owner:JOHNSON & JOHNSON VISION CARE INC
Method and apparatus for control of inductively coupled power transfer systems
ActiveUS8093758B2Improve disadvantagesBatteries circuit arrangementsAc-dc conversionCapacitancePower flow
A power pick-up for an Inductively Coupled Power Transfer (ICPT) system is provided having a resonant pick up circuit. The natural frequency of the pick-up circuit may be varied by controlling the conductance or capacitance of a variable reactive in the resonant circuit. The load being supplied by the pick-up circuit is sensed, and the effective capacitance or inductance of the variable reactive component is controlled to vary the natural resonant frequency of the pick-up circuit to thereby control the power flow into the pick-up to satisfy the power required by the load.
Owner:AUCKLAND UNISERVICES LTD
Switched-mode power amplifier using lumped element impedance inverter for parallel combining
InactiveUS20050007194A1Effective compensationAmplifier combinationsAmplifier input/output impedence modificationAudio power amplifierParasitic capacitance
A switched-mode Class F power amplifier is provided for parallel connection with at least one other like amplifier, within a Chireix architecture, for combining the signals output therefrom. An input component includes at least one active device configured to be alternately switched by a signal input thereto to present an amplified signal corresponding to the input signal and constituting a low output impedance voltage source. A lumped element impedance inverter is provided between the input component and an output resonator component, the impedance inverter being configured for transforming the low output impedance voltage source to instead constitute a high output impedance current source configured for said parallel connection. In accordance with the invention, the negative reactive component values required by the impedance inverter are eliminated and effectively provided by incorporating those values into pre-selected reactive components of the input and output components. Further, a source-drain parasitic capacitance across the active device is eliminated by one or more pre-selected reactive components of the input component, the value(s) of which effectively compensate for the parasitic capacitance.
Owner:ZARBANA DIGITAL FUND
Articles derived from compositions containing modified polybutylene terephthalate (PBT) random copolymers derived from polyethylene terephthalate (PET)
ActiveUS20070275242A1Useful performance propertyPlastic recyclingSpecial tyresPolytetramethylene terephthalatePolyethylene terephthalate glycol
Compositions of matter including articles derived from (a) from 5 to 99.99 wt % of a modified polybutylene terephthalate random copolymer that (1) is derived from polyethylene terephthalate and (2) contains a at least one residue derived from polyethylene terephthalate selected from the group consisting of antimony, germanium, diethylene glycol groups, isophthalic acid groups, cis isomer of cyclohexane dimethanol, trans isomer of cyclohexane dimethanol, sodium benzoate, alkali salts, napthalane dicarboxylic acids, 1,3-propane diols, cobalt, cobalt-containing compounds, and combinations thereof, and (b) from 0.01 to 95 wt. % of a member selected from the group consisting of (1) fillers, (2) a carboxy reactive component, (3) polyethyelene terephthalate, (4) a component including a polycarbonate and an impact modifier. The articles may be derived from various conversion processes, e.g., injection molding processes, extrusion processes, thermoforming processes, melt-blown process.
Owner:SHPP GLOBAL TECH BV
Rolling bearing fault diagnosis method based on variation mode decomposition and permutation entropy
InactiveCN105758644AImplement fault diagnosisImprove recognition accuracyMachine bearings testingCharacter and pattern recognitionSupport vector machineDecomposition
The invention relates to a rolling bearing fault diagnosis method based on variation mode decomposition and permutation entropy. Vibration signals are decomposed with a variation mode decomposition method, so that reactive components and mode aliasing are effectively reduced, all the mode components include characteristic information of different time scales of original signals, and effective multi-scale components are provided for subsequent signal characteristic extraction. With the combination of the features that permutation entropy is simple in calculation, high in noise resisting ability and the like, bearing fault characteristics of all the mode components are extracted from multi-scale angles. Compared with single permutation entropy analysis of rolling bearing vibration, the characteristic information of the signals can be more comprehensively represented through the permutation entropy characteristic extracting method based on multiple scales, the recognition accuracy of a support vector machine is improved, and fault diagnosis of rolling bearings is better achieved.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER
Selective deposition modeling with curable phase change materials
InactiveUS6841116B2Improve mechanical propertiesEasy to disassembleConfectionerySweetmeatsSelective depositionPhase change
A selective deposition modeling method and apparatus for dispensing a curable phase change material. The dispensing temperature of the material is set at or less than a thermally stable temperature value for the material in which the reactive component of the material remains substantially uncured when held at the temperature for a desired time period. The dispensed material is provided with an environment that enables the material to solidify to form layers of the object. The solidified material is normalized to a desired layer thickness and is then cured by exposure to actinic radiation. In a preferred embodiment a UV curable phase change material is dispensed at about 80° C. and has a viscosity of about 13 to about 14 centipoise at this temperature. The cured material provides substantially increased physical properties over thermoplastic phase change materials previously used in selective deposition modeling.
Owner:3D SYST INC
MRI tunable antenna and system
InactiveUS7088104B2Reduce couplingImprove performanceElectric/magnetic detectionMeasurements using magnetic resonanceElectrical conductorLength wave
A strip array antenna including a number of conductors (14) that are connected to ground or virtual ground though at least one reactive component (150). The apparent electrical length of conductors (140) is tuned so that it equals an integer multiple of a quarter wavelength at the operating frequency.
Owner:THE JOHN HOPKINS UNIV SCHOOL OF MEDICINE
Delayed gelation compositions and methods of use
Biocompatible compositions are provided which may include at least one polysaccharide, at least one salt, and at least one reactive component. The at least one polysaccharide, at least one salt, and at least one reactive component may be in a single solution or multiple solutions and combined utilizing means within the purview of those skilled in the art. The compositions of the present disclosure experience delayed gelation, permitting their manipulation after application to tissue, which may be desirable for certain surgical and / or medical procedures, including cosmetic surgery.
Owner:TYCO HEALTHCARE GRP LP
Distributed static var compensation (DSVC) system for wind and water turbine applications
InactiveUS7095597B1Easy to adaptEasy to controlFlexible AC transmissionEmergency protective circuit arrangementsWater turbineUnderwater
Owner:UNITED TECH CORP
Energy activated electrographic printing process
InactiveUS6887640B2Improved “ hand ” and controlled glossEasy to processMechanical recordingRecord information storageCross-linkCohesive strength
A process for printing images by means of an electrographic or electrostatic device using a toner that is cured by multiple applications of energy. The toner has energy-activated reactive components such as radiation-curable sites and reactive functional groups. An image is formed on a substrate by the toner without materially activating the reactive components. The reactive components are subsequently activated by applying a first energy source to adhere the image to the substrate by cross-linking and bonding the image permanently to the substrate, or by transferring the image to a second substrate. A second energy source is applied simultaneously with, or subsequently to, the first energy source, to promote cohesive strength of the image by cross-linking within the toner particles that form the image. The resulting image is permanently bonded to the substrate, yielding substantially enhanced image durability and fastnesses.
Owner:SAWGRASS SYST INC
Polyurethane foams with decreased aldehyde emissions, a process for preparing these foams and a method for decreasing aldehyde in polyurethane foams
This invention relates to polyurethane foams which exhibit decreased aldehyde emission, to a process of preparing these polyurethane foams, and to a method of decreasing aldehyde emissions in foams. The polyurethane foams herein additionally comprise a small quantity of a polyhydrazodicarbonamide dispersion polyol to the isocyanate-reactive component, or a trimerized hexamethylene diisocyanate to the polyisocyanate component.
Owner:COVESTRO LLC
Method of preparing molding compositions with fiber reinforcement and products obtained therefrom
InactiveUS6103779AIncreased shelf stabilityImprove stabilityImpression capsDental splintsAcrylic resinFluid responsiveness
A method of preparing fiber reinforced acrylic thickened compositions which can be molded under low pressures and temperatures to provide thermoset articles, wherein liquid reactive components are slowly absorbed in high molecular weight solid acrylic resin in the form of large particles. The acrylic resin functions as a thickener which delays the viscosity build allowing fiber reinforcement to be incorporated before molding. The molding composition is well suited for use in dentistry and other fields where small amounts or molding composition are used occasionally.
Owner:REINFORCED POLYMER
Switched-mode power amplifier using lumped element impedance inverter for parallel combining
InactiveUS6879209B2Effective compensationNegative-feedback-circuit arrangementsPower amplifiersPower inverterAudio power amplifier
Owner:ZARBANA DIGITAL FUND
Acoustic attenuation chamber
InactiveUS20080257346A1Attenuate air movement noiseHinders its propagationRespiratorsOther heat production devicesEngineeringReactive components
A silencer for a CPAP device comprises a housing assembly defining a flow path passing therethrough and including at least one of an inlet chamber, an acoustic chamber and a blower chamber. Each of the chambers has an inlet and an outlet for fluid communication therebetween. The silencer includes a combination of reactive components, resonators and dissipative elements disposed within the inlet, acoustic and blower chambers. The reactive component may be configured as a compliant-walled reactive tube. The resonator may be configured as a perforated plate defining a cavity volume. The dissipative element may comprise porous material substantially occupying the cavity volume bounded by the perforated plate in the chamber walls.
Owner:VIASYS SLEEP SYST
Catalytic reactive component reduction system and methods for the use thereof
ActiveUS7694916B2Minimizes ventingReduce riskOrganic chemistryIndirect heat exchangersGas phaseEngineering
Owner:PHYRE TECH
Mri tunable antenna and system
InactiveUS20050062472A1Minimize EMMinimizes interactionElectric/magnetic detectionMeasurements using magnetic resonanceElectrical conductorLength wave
A strip array antenna including a number of conductors (14) that are connected to ground or virtual ground though at least one reactive component (150). The apparent electrical length of conductors (140) is tuned so that it equals an integer multiple of a quarter wavelength at the operating frequency.
Owner:THE JOHN HOPKINS UNIV SCHOOL OF MEDICINE
Manual sprayer with dual bag-on-valve assembly
A manual spray dispenser for dispensing a mixture of two compositions comprises a container having a first and second chamber and a single dispensing spray outlet for dispensing controlled amounts of liquids from each of the first and second chambers. At least one of the chambers has a separator in the form of a pouch for physically separating the contents of the container from an interior surface of the chamber. The first chamber can contain a first composition and the second chamber can contain a second composition having a reactive component that reacts with at least one compound upon contact or mixing. The dispenser further contains a dispensing system for simultaneously dispensing the first composition and the second composition from their respective first and second chambers, mixing the two compositions together, and dispensing a mixture of the two compositions from the container under pressure.
Owner:BISSELL INC
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