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37results about How to "Broad" patented technology
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Power supply unit, hard disk drive and method of switching the power supply unit
InactiveUS20100232180A1Improve efficiencyBroadEfficient power electronics conversionConversion with intermediate conversion to dcCapacitanceHard disc drive
Zero volt switching during a light load is performed in such a manner that through an ON / OFF control of switches provided for a full bridge circuit and the synchronous rectifier switches in a rectifier and smoothing circuit, a resonant peak voltage necessary for the zero voltage switching determined by the output current flowing to output terminals, a resonant inductor and a resonant capacitor capacitance is ensured so that an energy accumulated in the rectifier and smoothing circuit is returned to the full bridge circuit so as to act as equivalent as when the output current is increased and to increase the current flowing through the full bridge circuit.
Owner:HITACHI LTD
Narrow-band absorptive bandstop filter with multiple signal paths
InactiveUS20060273869A1Reduce maintenanceReduce reflectivityMultiple-port networksOscillations generatorsBandpass filteringUltrasound attenuation
An absorptive bandstop filter includes at least two frequency-dependent networks, one of which constitutes a bandpass filter, that form at least two forward signal paths between an input port and an output port and whose transmission magnitude and phase characteristics are selected to provide a relative stopband bandwidth that is substantially independent of the maximum attenuation within the stopband and / or in which the maximum attenuation within the stopband is substantially independent of the unloaded quality factor of the resonators. The constituent network characteristics can also be selected to provide low reflection in the stopband as well as in the passband. The absorptive bandstop filter can be electrically tunable and can substantially maintain its attenuation characteristics over a broad frequency tuning range.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
Simulation-based functional verification of microcircuit designs
InactiveUS7130783B1Shorten the timeConfidenceDetecting faulty computer hardwareAnalogue computers for electric apparatusTest designFormal methods
System, methods, and apparatus for verifying microcircuit designs by interleaving between random and formal simulation techniques to identify input traces useful for driving designs under test into sequences of device states. In a method aspect the invention provides process for beginning random simulation of a sequence of states of a microcircuit design by inputting a sequence of random input vectors to a design under test model in order to obtain a sequence of random simulation states; monitoring a simulation coverage progress metric to determine a preference for switching from random simulation to formal methods of simulating states in the design under test; beginning formal simulation of states in the design under test and monitoring a formal coverage progress metric to determine a preference for resuming random simulation of states of said microcircuit design; and resuming random simulation. Preferably the process of interleaving simulation methods continues until an input vector suitable for driving the design under test model into each of a set of previously-identified goal states has been obtained.
Owner:SYNOPSYS INC
Narrow-band absorptive bandstop filter with multiple signal paths
InactiveUS7323955B2Reduce maintenanceBroadMultiple-port networksOscillations generatorsBandpass filteringUltrasound attenuation
An absorptive bandstop filter includes at least two frequency-dependent networks, one of which constitutes a bandpass filter, that form at least two forward signal paths between an input port and an output port and whose transmission magnitude and phase characteristics are selected to provide a relative stopband bandwidth that is substantially independent of the maximum attenuation within the stopband and / or in which the maximum attenuation within the stopband is substantially independent of the unloaded quality factor of the resonators. The constituent network characteristics can also be selected to provide low reflection in the stopband as well as in the passband. The absorptive bandstop filter can be electrically tunable and can substantially maintain its attenuation characteristics over a broad frequency tuning range.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
Semiconductor ferroelectric storage transistor and method for manufacturing same
ActiveUS20150171183A1Improve data retentionReduce power consumptionSolid-state devicesSemiconductor/solid-state device manufacturingElectrical conductorEngineering
Provided is a ferroelectric field effect transistor (FeFET) which has a wide memory window even if the ferroelectric film thickness is 200 nm or less, and which has excellent data retention characteristics, pulse rewriting endurance and the like. An FeFET which has a structure wherein an insulating body (11) and a gate electrode conductor (4) are sequentially laminated in this order on a semiconductor base (10) that has a source region (12) and a drain region (13). The insulating body (11) is configured by laminating a first insulating body (1) and a second insulating body (2) in this order on the base (10), and the second insulating body (2) is mainly composed of an oxide of strontium, calcium, bismuth and tantalum.
Owner:NAT INST OF ADVANCED IND SCI & TECH
LNG system employing refluxed heavies removal column with overhead condensing
A process and apparatus for the liquefaction of natural gas including an improved heavy hydrocarbon removal column with overhead condensing and refluxing. Particularly, a methane-rich stream exiting a propane refrigerant cycle is delivered to a heavies removal column, and the heavies depleted vapor from the column is at least partially condensed and the liquid portion provided as reflux to the heavies removal column.
Owner:CONOCOPHILLIPS CO
LNG system employing refluxed heavies removal column with overhead condensing
A process and apparatus for the liquefaction of natural gas including an improved heavy hydrocarbon removal column with overhead condensing and refluxing. Particularly, a methane-rich stream exiting a propane refrigerant cycle is delivered to a heavies removal column, and the heavies depleted vapor from the column is at least partially condensed and the liquid portion provided as reflux to the heavies removal column.
Owner:CONOCOPHILLIPS CO
Power supply unit, hard disk drive and method of switching the power supply unit
InactiveUS8199530B2Improve efficiencyBroadEfficient power electronics conversionConversion with intermediate conversion to dcHard disc driveCapacitance
Owner:HITACHI LTD
Rapid-hardening early strength concrete prepared from various industrial solid wastes, and preparation method thereof
The invention belongs to the technical field of alkali-activated gelling materials, and relates to a rapid-hardening early strength concrete prepared from various industrial solid wastes, and a preparation method thereof. The rapid-hardening early strength concrete includes 35-45 parts of tailings and waste rocks, 30-40 parts of iron tailing sands, 4-10 parts of fly ash, 4-10 parts of granulated blast furnace slag micro-powder and 1-2 parts of steel slag micro-powder, and also contains 0.15-0.30% of sodium hydroxide, 3-6% of water glass, 0.4-0.6% of a set retarder, 0.05-0.10% of a water reducing agent and 4.5-5.5% of water. The large industrial solid wastes such as tailings and waste rocks, iron tailing sands, fly ash, granulated blast furnace slag micro-powder and steel slag micro-powderare fully utilized to obtain the rapid-hardening early strength concrete with excellent performances, so building materials with excellent performances can be prepared, the various solid wastes are consumed, and reuse of the solid wastes is achieved.
Owner:BEIJING BUILDING MATERIALS ACADEMY OF SCI RES
High-speed optical modulator and method of modulating light by using the same
ActiveUS20100328750A1Raise the ratioReduce in quantityLaser detailsLaser optical resonator constructionResonant cavityResonance
Provided are a high-speed optical modulator and a method of modulating light by using the same. The optical modulator includes first and second resonance cavities that are sequentially stacked on a transparent substrate, wherein the first and second resonance cavities each include an electric-optical layer. According to the method, first and second voltages having different sizes are simultaneously applied respectively to the first and second resonance cavities, and then for the other configuration of the modulator mutually interchanged voltages are applied.
Owner:SAMSUNG ELECTRONICS CO LTD +1
Optical devices with built-in isolators
ActiveUS8351791B1Improve isolationSmall footprintWavelength-division multiplex systemsSmall footprintWavelength range
New designs of optical devices, particularly for adding or dropping a selected wavelength or a group of wavelengths as well as multiplexing a plurality of signals into a multiplexed signal or demultiplexing a multiplexed signal into several signals are disclosed. According to one aspect of the present invention, an isolator core is built into the optical devices to stop a reflected signal from an optical file in the optical devices. As a result, the optical devices are amenable to small footprint, broad operating wavelength range, enhanced impact performance, lower cost, and easier manufacturing process.
Owner:ALLIAN FIBER OPTIC PROD INC
Fence assembly and related methods
Fence apparatus and related methods for making a fence panel and for connecting the panel to other panels and post elements to form a modular type fence are disclosed. These include a generally planar section of fencing material formed from spaced-apart wires, and the related brackets and posts of the system providing simplified installation, removal, handling, and storage of the fence components.
Owner:LARSEN CHARLES
Method and apparatus for exposing a latent watermark on film
InactiveUS20050063742A1Low costSimplify Design ComplexityProjectorsElectrographic process apparatusSpatial light modulatorLatent image
A printing method and apparatus (100) for pre-exposing a digital watermark along a length of photosensitive medium at the time of manufacture is disclosed. The printing apparatus has an illumination source (60) for providing an exposure illumination, first and second LCD spatial light modulators (90a, 90b) for modulating the exposure illumination to form first and second exposure patterns according to image data, combining optics providing a single output path for directing both first and second exposure patterns onto the photosensitive medium and transport means for providing, during exposure, lengthwise displacement of the photosensitive medium with respect to the output path. The first and second exposure patterns form, lengthwise along the photosensitive medium, a latent image with modulated stripes having a predetermined intensity corresponding to the exposure patterns.
Owner:EASTMAN KODAK CO
Method and apparatus for moving a handling system
InactiveUS7366585B2BroadShort cycleProgramme-controlled manipulatorDigital data processing detailsCost (economic)Engineering
Owner:KUKA ROBOTER
Method for producing synthetic rutile by using deluvial slope type ilmentie
The invention relates to a method for producing synthetic rutile by using ilmentie, in particular to a method for producing synthetic rutile by using deluvial slope type ilmentie. The method comprises the following steps of: performing reduction treatment on the deluvial slope type ilmentie, wherein reducing agents are coal, tar and the like; controlling a reduction temperature and a reduction time; performing oxidation treatment on the reduced ilmentie at the temperature of between 700 and 900 DEG C until a shell of rutile microcrystal and a ferric layer is generated on a mineral surface, wherein an oxidant is oxygen; performing atmospheric multi-segment counterflow fluidization leaching on the oxidized ilmentie by using diluted hydrochloric acid, controlling a concentration of the diluted hydrochloric acid and an acid leaching temperature, and then removing soluble impurities in the ilmentie after more than three segments of leaching; and then washing, filtering, drying and roasting the leached material after being subjected to acid leaching to obtain the synthetic rutile. The method has the advantages of preventing pulverization, keeping a crude ore grain size, along high acid leaching efficiency, high use ratio, simple process, low cost and easy operation.
Owner:CHANGSHA RES INST OF MINING & METALLURGY
Methods And Systems For Semiconductor Metrology Based On Wavelength Resolved Soft X-Ray Reflectometry
ActiveUS20210063329A1High throughput measurementHigh measurement accuracySemiconductor/solid-state device testing/measurementMaterial analysis using radiation diffractionDiffraction orderAngle of incidence
Methods and systems for measuring structural and material characteristics of semiconductor structures based on wavelength resolved, soft x-ray reflectometry (WR-SXR) at multiple diffraction orders are presented. WR-SXR measurements are simultaneous, high throughput measurements over multiple diffraction orders with broad spectral width. The availability of wavelength resolved signal information at each of the multiple diffraction orders improves measurement accuracy and throughput. Each non-zero diffraction order includes multiple measurement points, each different measurement point associated with a different wavelength. In some embodiments, WR-SXR measurements are performed with x-ray radiation energy in a range of 10-5,000 electron volts at grazing angles of incidence in a range of 1-45 degrees. In some embodiments, the illumination beam is controlled to have relatively high divergence in one direction and relatively low divergence in a second direction, orthogonal to the first direction. In some embodiments, multiple detectors are employed, each detecting different diffraction orders.
Owner:KLA TENCOR TECH CORP
Measuring method for ultimate bearing capacity of foundations
ActiveCN104018482AEvaluation of the nature of the solutionSolve the carrying capacityIn situ soil foundationApplication areasComputer science
The invention relates to a measuring method for the ultimate bearing capacity of foundations, and belongs to the field of basic theories and applications of geotechnical engineering. Aiming at the insufficiencies that people are difficult to right understand the relationship rule between ultimate bearing capacity and detection capacity and are difficult to right measure two new parameters of solid and virtual degrees , the invention provides a new calculation formula as shown in the specification for the ultimate bearing capacity of the foundations, and a method for obtaining parameters in the formula is analyzed and researched, so that the measurement of the ultimate bearing capacity of the foundations has the characteristics of better theorization, systematization and formulation, automation and routinization can be combined for operation, and the advantages of the theorization, the formulation and the like of the method provided by the invention are brought into full play.
Owner:王昌益
Musical or striking watch provided with an acoustic radiation arrangement
ActiveUS9360843B2Ensure the impermeable sealing and resistance to high external pressure of the watch caseImprove efficiencyAcoustic indicationElectric indicationEngineeringCrystal
The musical or striking watch is provided with an acoustic radiation arrangement. The watch includes a watch case, formed at least of a case middle and a back cover removably fixed to the case middle, and at least one crystal for closing said case. The acoustic radiation arrangement includes a connecting support part fixed in the case back between a back bezel and a back crystal. The back bezel includes several lateral openings. A cavity is defined between the connecting support part and the openings in the back bezel.
Owner:MONTRES BREGUET
Inkjet recording apparatus
ActiveUS20080170091A1Variation in ink ejection characteristics has been suppressedBroadOther printing apparatusElectrical resistance and conductanceActuator
An inkjet recording apparatus includes a passage unit; an actuator unit including a plurality of individual electrodes; a plurality of waveform output circuits which output pulse signals to be supplied to the plurality of individual electrodes; one or more variable resistance elements connected to the actuator unit; a temperature sensor which detects environmental temperature; and a controller which controls the one or more variable resistance elements so that the one or more variable resistance elements decrease in their resistance values with a decrease in the environmental temperature detected by the temperature sensor.
Owner:BROTHER KOGYO KK
Biomass methanol diesel oil and preparation method thereof
The invention discloses biomass methanol diesel oil. The biomass methanol diesel oil comprises the following components by weight: 100 parts of diesel oil, 40-60 parts of fatty acid methyl ester, 15-40 parts of methanol, and 2-20 parts of composite cosolvent. The biomass methanol diesel oil comprises the following steps: adding 100 parts by weight of diesel oil in a reactor with a stirring apparatus, a heating device, a thermometer and a constant pressure funnel, at 25-500 DEG C, adding 2-20 parts by weight of composite cosolvent, stirring the solution uniformly, gradually adding 40-60 parts by weight of fatty acid methyl ester and 15-40 parts of methanol based in the constant pressure funnel, stirring the mixture uniformly to form the homogeneous biomass methanol diesel oil which is thermodynamically stable. The biomass methanol diesel oil is wide in resource, relatively cheap, high in point of flammability, high in cetane number, and good in water resistance, environmental protection, high safety and renewability, and can be used to directly substitute the common diesel oil in fields.
Owner:HUNAN YITONG NEW ENERGY DEV CO LTD
Method for producing synthetic rutile by using deluvial slope type ilmentie
ActiveCN101851004BImprove distributionThe distribution is not only largeTitanium dioxideReduction treatmentOxygen
Owner:CHANGSHA RES INST OF MINING & METALLURGY
Moving environment-friendly type exterior-interior aerator
The invention discloses a moving environment-friendly type exterior-interior aerator which comprises a carrier, an aeration mechanism, an axis rotation assembly and a telescopic traction rod, wherein the carrier comprises two buoys, a hoop and a steel tube belt fastener; the aeration mechanism is mounted between the two buoys through a support rod, and comprises a host machine, a motor mounted above the host machine through a support rod, an oxygen-accumulating covering cylinder mounted outside the motor and air-collecting pipes mounted at the inner sides of the two buoys; an exhaust pipe communicated with the host machine is arranged at the bottom of the oxygen-accumulating covering cylinder; the axis rotation assembly is fixed on a foundation pile in the center of a water body through an assembly base arranged at the bottom of the axis rotation assembly; two ends of the telescopic traction rod are connected with the carrier respectively through an L shaft assembly and the axis rotation assembly; and cables connected with the axis rotation assembly and the carrier are arranged on the telescopic traction rod. The aerator disclosed by the invention is applicable to oxygenation of fish ponds with different water depths, can realize oxygenation and fertilization, can improve water quality, and can be used for treating sewage and industrial waster water.
Owner:海宁经开产业园区开发建设有限公司
Inkjet recording apparatus
ActiveUS7926901B2Variation in ink ejection characteristics has been suppressedBroadOther printing apparatusElectrical resistance and conductanceActuator
An inkjet recording apparatus includes a passage unit; an actuator unit including a plurality of individual electrodes; a plurality of waveform output circuits which output pulse signals to be supplied to the plurality of individual electrodes; one or more variable resistance elements connected to the actuator unit; a temperature sensor which detects environmental temperature; and a controller which controls the one or more variable resistance elements so that the one or more variable resistance elements decrease in their resistance values with a decrease in the environmental temperature detected by the temperature sensor.
Owner:BROTHER KOGYO KK
Musical or striking watch provided with an acoustic radiation arrangement
ActiveUS20160109855A1Improve sealingEnsure the impermeable sealing and resistance to high external pressure of the watch caseElectric indicationAcoustic indicationEngineeringCrystal
The musical or striking watch is provided with an acoustic radiation arrangement. The watch includes a watch case, formed at least of a case middle and a back cover removably fixed to the case middle, and at least one crystal for closing said case. The acoustic radiation arrangement includes a connecting support part fixed in the case back between a back bezel and a back crystal. The back bezel includes several lateral openings. A cavity is defined between the connecting support part and the openings in the back bezel.
Owner:MONTRES BREGUET
Ferrite-based catalyst composite, method of preparing the same, and method of preparing butadiene using the same
ActiveUS20180214854A1Effective dispersionPrevention of catalyst damageOrganic chemistryHeterogenous catalyst chemical elementsDehydrogenationProcess efficiency
The present invention relates to a ferrite-based catalyst composite, a method of preparing the same, and a method of preparing butadiene using the same. More particularly, the present invention provides a ferrite-based catalyst composite having a shape that allows effective dispersion of excess heat generated in a butadiene production process and prevention of catalyst damage and side reaction occurrence by reducing direct exposure of a catalyst to heat, a method of preparing the ferrite-based catalyst composite, and a method of preparing butadiene capable of lowering the temperature of a hot spot and reducing generation of Cox by allowing active sites of a catalyst to have a broad temperature gradient (profile) during oxidative dehydrogenation using the ferrite-based catalyst composite, and thus, providing improved process efficiency.
Owner:LG CHEM LTD
Semiconductor ferroelectric storage transistor and method for manufacturing same
ActiveUS9780186B2Improve data retentionImprove featuresSolid-state devicesSemiconductor/solid-state device manufacturingElectrical conductorStrontium
Provided is a ferroelectric field effect transistor (FeFET) which has a wide memory window even if the ferroelectric film thickness is 200 nm or less, and which has excellent data retention characteristics, pulse rewriting endurance and the like. An FeFET which has a structure wherein an insulating body (11) and a gate electrode conductor (4) are sequentially laminated in this order on a semiconductor base (10) that has a source region (12) and a drain region (13). The insulating body (11) is configured by laminating a first insulating body (1) and a second insulating body (2) in this order on the base (10), and the second insulating body (2) is mainly composed of an oxide of strontium, calcium, bismuth and tantalum.
Owner:NAT INST OF ADVANCED IND SCI & TECH
Bicyclic amine derivative
InactiveUS6191129B1High antibacterial activityImprove efficacyAntibacterial agentsOrganic active ingredientsPyridineInfective disorder
A pyridobenzoxazine derivative having a bicyclic amine derivative as its substituent, represented by the formula (I):exhibiting antimcrobial activity, and useful in treating infectious diseases and preserving food and agricultural products.
Owner:DAIICHI PHARMA CO LTD
Ferrite-based catalyst composite, method of preparing the same, and method of preparing butadiene using the same
ActiveUS10518250B2Effective dispersionTemperature of hotOrganic chemistryHeterogenous catalyst chemical elementsReactive siteDehydrogenation
The present invention relates to a ferrite-based catalyst composite, a method of preparing the same, and a method of preparing butadiene using the same. More particularly, the present invention provides a ferrite-based catalyst composite having a shape that allows effective dispersion of excess heat generated in a butadiene production process and prevention of catalyst damage and side reaction occurrence by reducing direct exposure of a catalyst to heat, a method of preparing the ferrite-based catalyst composite, and a method of preparing butadiene capable of lowering the temperature of a hot spot and reducing generation of Cox by allowing active sites of a catalyst to have a broad temperature gradient (profile) during oxidative dehydrogenation using the ferrite-based catalyst composite, and thus, providing improved process efficiency.
Owner:LG CHEM LTD
High-speed optical modulator and method of modulating light by using the same
ActiveUS8953238B2Raise the ratioReduce in quantityLaser detailsLaser optical resonator constructionResonant cavityResonance
Owner:SAMSUNG ELECTRONICS CO LTD +1
Acoustic radiating membrane arrangement for a striking watch
ActiveUS9519271B2Improve efficiencyBroadAcoustic indicationClockwork casesAcoustic cavityMembrane configuration
There is provided an acoustic radiating membrane arrangement for a striking or musical watch. The arrangement includes a first membrane arranged superposed on a second membrane. Peripheral edge portions of the two membranes are intended to hold the membranes inside a watch case. The first acoustic radiating membrane is configured to radiate efficiently the frequencies in a first frequency band. The second acoustic radiating membrane is configured to radiate efficiently the frequencies in a second frequency band that is different from the first frequency band. A spacer ring is also disposed between the peripheral edge portions of the first membrane and of the second membrane to define an acoustic cavity.
Owner:MONTRES BREGUET
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