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559results about How to "Small loss" patented technology
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Sense amplifier circuit and sense amplifier-based flip-flop having the same
ActiveUS20070285131A1Reducing signal delay timePrevent degradation of outputCurrent/voltage measurementDigital storageAudio power amplifierControl delay
A sense amplifier-based flip-flop includes a first latch, a second latch, a floating reduction unit, an input signal applying unit, a ground switch and a delay reduction unit. The first latch outputs a signal to a first output terminal pair, and outputs an evaluation signal pair corresponding to an input single pair to the first output terminal pair. The second latch latches the evaluation signal pair and outputs the evaluation signal pair to a second output terminal pair. The floating reduction unit is controlled by signals of the first output terminal pair and is operationally connected between current passing nodes of the first latch to prevent the first output terminal pair from floating. The input signal applying unit is disposed between the current passing nodes and a ground terminal, and receives the input signal pair. The ground switch is disposed between the input signal applying unit and the ground terminal, and is controlled by the clock signal. The delay reduction unit is disposed between the input signal applying unit and the ground switch, and reduces a signal delay from when the clock signal to when the evaluation signal pair is output from the second output terminal pair.
Owner:SAMSUNG ELECTRONICS CO LTD
Electrical metallic tube, coupling, and connector apparatus and method
InactiveUS20050006122A1Shorten the timeEliminates time-consuming complexitySubstation/switching arrangement detailsRigid pipesCouplingBiomedical engineering
A labor saving system, method, and apparatus for connecting or coupling lengths of electric metallic tubing (“EMT”). The invention uses couplings / connectors that have barbs that are designed to engage corresponding indentations on EMT to ensure proper installation. In one aspect, the invention is an EMT having: an EMT inner surface forming an EMT cavity; an EMT outer surface; an EMT first end; and at least one indentation in the EMT outer surface at or near the EMT first end, the indentation adapted to receive a corresponding barb from a sleeve device. In another aspect, the invention is a sleeve device comprising; a sleeve inner surface forming a sleeve cavity adapted to receive an end of an EMT; a sleeve outer surface; a first sleeve end; at least one barb on the sleeve inner surface at or near the first sleeve end, the barb adapted to engage a corresponding indentation on the EMT.
Owner:JOHN MANEELY
Semiconductor light-emitting device using phosphors for performing wavelength conversion
ActiveUS7323723B2Small lossImprove display speedDischarge tube luminescnet screensLamp detailsSemiconductor materialsPhosphor
A semiconductor light-emitting device includes substrate (3), a plurality of light-emitting-element-layers (10a, 10b, 10c, . . . ) of semiconductor material formed on the substrate (3) so as to be isolated from each other and having a wider band gap than the substrate (3), and phosphors (15a, 15b, 15c, . . . ) converting wavelengths of light from the light-emitting-element-layers (10a, 10b, 10c, . . . ) into other wavelengths.
Owner:SANKEN ELECTRIC CO LTD
Multi-layered wiring board for slot coupling a transmission line to a waveguide
InactiveUS6870438B1Small signal lossSmall reflectionOne-port networksSemiconductor/solid-state device detailsElectrical conductorDielectric substrate
A wiring board includes a dielectric substrate, a signal transmission line formed on one surface of the dielectric substrate, a grounded layer formed on the other surface of the dielectric substrate, and a connection portion for connecting portion for connecting the signal transmission line to a waveguide, the connection portion being formed on the grounded layer. The grounded layer has a slot at a position opposed to an end of the signal transmission line. The connection portion includes a first dielectric portion disposed to cover the slot of the ground layer, a second dielectric portion laminated on the first dielectric portion, and a patch conductor provided at a position opposed to said slot on an interface between the first dielectric portion and the second dielectric portion. The wiring board enables the signals to be efficiently transmitted from the signal transmission line to the waveguide with a small loss and a small reflection.
Owner:KYOCERA CORP
Illumination optical apparatus and projection exposure apparatus
ActiveUS20060203214A1Small lossLittle lossSemiconductor/solid-state device manufacturingPhotomechanical exposure apparatusOptoelectronicsLight source
An illumination optical apparatus and projection exposure apparatus capable of reducing a light quantity loss when a mask is illuminated with a polarized illumination light. An illumination optical system for illuminating a reticle with an illumination light and a projection optical system for projecting the pattern image of the reticle onto a wafer are provided. An illumination light emitted from an exposure light source in a linearly polarized state in the illumination optical system passes through first and second birefringent members having different fast axis directions and is converted into a polarized state that is substantially linearly polarized in a circumferential direction with the optical axis as the center in an almost specific annular area, and them illuminates the reticle under an annular illuminating condition after passing through a fly-eye lens.
Owner:NIKON CORP
Method and system to enhance differential dynamic range and signal/noise in CMOS range finding systems using differential sensors
ActiveUS7157685B2Extend effective differential dynamic range of differentialInhibitionTelevision system detailsOptical rangefindersCMOSCapacitor voltage
Owner:MICROSOFT TECH LICENSING LLC
Fan assembly
A bladeless fan assembly includes a nozzle mounted on a base housing a motor and an impeller driven by the motor for creating an air flow. The nozzle includes an interior passage for receiving the air flow, a mouth for emitting the air flow, and a plurality of stationary guide vanes located within the interior passage and each for directing a portion of the air flow towards the mouth. The nozzle defines an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth.
Owner:DYSON TECH LTD
Method and system to enhance differential dynamic range and signal/noise in CMOS range finding systems using differential sensors
InactiveUS7321111B2Extend effective differential dynamic range of differentialInhibitionTelevision system detailsSolid-state devicesCMOSAudio power amplifier
Dynamic range of a differential pixel is enhanced by injecting, synchronously or asynchronously, a compensating offset (ΔCOMP) into a differential signal capacitor whenever magnitude of the differential signal across the capacitor exceeds a predetermined value. Positive and negative magnitudes of ΔCOMP need not be equal. The number (N) of ΔCOMP offsets made is counted. Effective differential signal capacitor voltage V(t)=Vo±N·ΔCOMP, where Vo is capacitor voltage. In other embodiments magnitude of ΔCOMP in a sequence of compensations can differ, and the sum total of compensations in recorded. Differential pixel signal / noise ratio is increased by dynamically maximizing operational amplifier gain AG for each differential pixel.
Owner:MICROSOFT TECH LICENSING LLC
Optical Detection and Ranging Sensor System For Sense and Avoid, and Related Methods
ActiveUS20110134249A1Small lossConvenient distanceTelevision system detailsOptical rangefindersSense and avoidWide field
An apparatus carried by an unmanned vehicle to provide passive sensing and facilitate avoiding airborne aerial obstacles is provided. The apparatus can include at least one, but typically multiple optical systems installed, for example, in the nose of the aerial vehicle to passively sense and determine a range, direction, and velocity of the airborne obstacles to allow the aerial vehicle to avoid the airborne obstacles. The typical optical system includes at least one focal plane array or other imaging device configured to receive a wide field of view and at least one focal plane array or other imaging device configured to receive a steerable narrow field of view within the wide field of view to allow concentrated determination of the range, direction, and / or velocity of obstacles detected by the wide field of view imaging devices.
Owner:LOCKHEED MARTIN CORP
Method for promoting tissue regeneration on wound surfaces as device and treatment instrument or implant for carrying out method
InactiveUS20060122543A1Small lossDental implantsUltrasound therapyConnective tissue fiberMucous cell
For promoting tissue regeneration on wound surfaces (1) mechanical oscillation is coupled into the wound surfaces. A treatment instrument (2) coupled to an oscillation drive is brought into contact with the wound surface (1), or an implant is impinged with oscillation during and / or after being positioned in the tissue. The oscillation acts mechanically and thermally on the tissue in the region of the treated wound surface (1), and according to the intensity acts in a stimulating, traumatic, necrotic or cell-destroying manner. Therefore, biological elements inhibiting tissue regeneration are destroyed or denatured and the metabolism in the region of the wound surface is stimulated. The effect may also be a mechanical one, slightly compacting or regionally dislocating the tissue. Since the treatment can be effected during or after positioning an implant, necrosis in particular effects undesired cells, such as connective tissue cells, mucous cells and diseased cells having been brought to the wound surface with the implant, which cells may inhibit the intergrowth between tissue and implant.
Owner:WOODWELDING
Analysis method and analysis apparatus
InactiveUS20070229094A1Improve signal-to-noise ratioHigh light transmittanceRadiation pyrometrySpectrum investigationAnalyteColor reaction
Provided are an analysis method and an analysis apparatus that can perform analysis of a substance and information obtainment with relatively high accuracy and reproducibility without previously allowing a carrier to carry a reagent for a color reaction. In the analysis method and the analysis apparatus, the information on an analyte is obtained by using an electromagnetic wave of a frequency including a frequency band which is at least a part of a frequency range of 30 GHz or more and 30 THz or less. A non-fibrous, isotropic porous material is allowed to hold the analyte, the analyte held by the porous material is irradiated with the electromagnetic wave, a change in the propagation state of the electromagnetic wave due to transmission through or reflection by the porous material is detected and information on the analyte is obtained based on the result of the detection.
Owner:CANON KK
Radio lan antenna
InactiveUS20070004363A1Improve communication distanceReduce the possibilityAntenna adaptation in movable bodiesNetwork topologiesConductive materialsLayered structure
A high-frequency micro-strip line for transmitting a high-frequency wave for a wireless LAN system has a layered structure where, on a ground layer made of a conductive material, a dielectric layer made of a dielectric material and a signal line made of a conductive material are successively laid. The high-frequency micro-strip line further includes a patch antenna comprising a dielectric plate made of a dielectric material and a patch made of a conductive material, which are successively laid into a layered structure, the patch antenna being electrically connected to the signal line. A wireless-communication RF signal transmission device capable of being applied to such a line is also provided.
Owner:KOBE STEEL LTD
Semiconductor laser apparatus capable of routing laser beams emitted from stacked-array laser diode to optical fiber with little loss
ActiveUS20060126690A1Small lossSemiconductor laser optical deviceOptical resonator shape and constructionLaser beamsSemiconductor
A semiconductor laser apparatus according to an exemplary embodiment of the present invention is provided. For example, the apparatus may include a single or a plurality of stacked-array laser diodes, first beam compressors, and a separating optical device separating the group of laser beams into subgroups of laser beams in a first direction, and deflecting the subgroups of laser beams so that the subgroups of laser beams approach in the first direction and recede from one another in a second direction. In addition, a collimating optical device may be provided which is adapted to deflect the subgroups of laser beams in the first and second directions by the same angles. Further, a beam converter may be included which divides each subgroup of laser beams and turning the axis thereof, and second beam compressors and a group of cylindrical lenses can be provided that can make the angle of divergence in the first direction close to the angle of divergence in the second direction.
Owner:NIPPON STEEL CORP
Continuous mining method of stepped sectional extruding and ore caving followed by filling
In the continuous mining method, ore body are divided into sections, subsections and mini-sections stepwisely along the ore vein; arranging mini-section drilling mine tunnels along the ore vein in the ore body bottom wall and connecting the mini-section tunnels with the main ramp way via linking tunnel; arranging support and filling tunnel along ore vein in the upper wall in the ore section; stoping from two ends to the central part of the bordroom via stepped continuous advance; drilling fanned holes with rock drill machine, breaking ore with rock explosive, charging with charging machine and combined elementary error detonation; filling finished stope via filling tunnel and filling dewatering device; and supporting crushed upper wall roof with deep anchor rod and steel fiber concrete. The present invention has high production capacity, high safety, less ore loss and low mining cost.
Owner:CENT SOUTH UNIV
Structure-borne noise isolation technique and apparatus for fans and blowers
InactiveUS6894897B1Isolates and minimizes transmissionMaintaining thermal removal capabilityPump componentsBlade accessoriesElectronic componentSubmarine
A system and method decreases the transmission of structure-borne noise by cooling fans to electronic components and structurally integrated enclosures for the electronic components. The system has a machined isolation plate that fits onto a rear plate on the structurally integrated enclosure. The cooling fans are fitted onto the opposite side of the isolation plate. Fitted between the isolation plate and the rear plate, and / or the isolation plate and the cooling fans are soft elastomeric isolators. These isolators dampen and prevent the transmission of structure-borne noise from the cooling fans to the electronic components and the structurally integrated enclosure. This dampening is advantageous on platforms in which stealth is desired, such as on submarines.
Owner:LOCKHEED MARTIN CORP
Antenna, and radio timepiece using the same, keyless entry system, and rf id system
ActiveUS20060214866A1High sensitivityLess influenceLoop antennas with ferromagnetic coreAntenna supports/mountingsElectrical and Electronics engineeringRadio-frequency identification
A magnetic sensor-type antenna comprising a magnetic core and a coil wound around the magnetic core for receiving electromagnetic waves, which is disposed in a housing such that the end portion of the magnetic core is bent away from the housing or a metal portion of the housing, and a timepiece, a keyless entry system and an RFID system each comprising such an antenna.
Owner:HITACHI METALS LTD
Method and system to enhance differential dynamic range and signal/noise in CMOS range finding systems using differential sensors
ActiveUS20060157643A1Increase elasticityFunction providedTelevision system detailsOptical rangefindersCMOSAudio power amplifier
Dynamic range of a differential pixel is enhanced by injecting, synchronously or asynchronously, a fixed compensating offset (ΔV) into a differential signal capacitor whenever magnitude of the differential signal across the capacitor exceeds a predetermined value. The number (N) of ΔV offsets made is counted. Effective differential signal capacitor voltage V(t)=Vo+N·ΔV, where Vo is capacitor voltage. Differential pixel signal / noise ratio is increased by dynamically maximizing operational amplifier gain AG for each differential pixel.
Owner:MICROSOFT TECH LICENSING LLC
Medium-length hole mining method in multiple blasting free faces of high dipping thin veins
InactiveCN102635356AIncrease job securityStrong mining continuityUnderground miningSurface miningPunchingMineralogy
The invention discloses a medium-length hole mining method in multiple blasting free faces of high dipping thin veins. The medium-length hole mining method is characterized by comprising the steps of: arranging ore blocks along the trend of a core body, dividing the ore body into a medium section and a segment in the altitude; drilling a gate way in the segment and arranging in veins along the ore body; arranging a flat ore removal structure on the bottom along the veins; arranging a cutting raise from one ends of the ore blocks, arranging a manway at the other ends of the ore blocks; and upwards and downwards punching forwards leaning medium-length holes, with the cutting raise as free faces, and blasting caved ores in the segment by multiple free faces, and withdrawing the ore centrally at the bottom. The medium-length hole mining method has the remarkable characteristics of high mining safety, little resource dilution rate, good production continuity, high level of mechanization, low cost, high efficiency, low labor intensity and the like.
Owner:CENT SOUTH UNIV
Method and system to enhance differential dynamic range and signal/noise in CMOS range finding systems using differential sensors
InactiveUS20070158533A1Increase elasticityFunction providedTelevision system detailsSolid-state devicesCMOSCapacitance
Dynamic range of a differential pixel is enhanced by injecting, synchronously or asynchronously, a compensating offset (ΔCOMP) into a differential signal capacitor whenever magnitude of the differential signal across the capacitor exceeds a predetermined value. Positive and negative magnitudes of ΔCOMP need not be equal. The number (N) of ΔCOMP offsets made is counted. Effective differential signal capacitor voltage V(t)=Vo±N·ΔCOMP, where Vo is capacitor voltage. In other embodiments magnitude of ΔCOMP in a sequence of compensations can differ, and the sum total of compensations in recorded. Differential pixel signal / noise ratio is increased by dynamically maximizing operational amplifier gain AG for each differential pixel.
Owner:MICROSOFT TECH LICENSING LLC
Commodity target word oriented emotional tendency analysis method
InactiveCN107544957ASemantic description is accurateAccurate predictionSpecial data processing applicationsData setBag-of-words model
The invention discloses a commodity target word oriented emotional tendency analysis method, which belongs to the field of the analysis processing of online shopping commodity reviews. The method comprises the following four steps that: 1: corpus preprocessing: carrying out word segmentation on a dataset, and converting a category label into a vector form according to a category number; 2: word vector training: training review data subjected to the word segmentation through a CBOW (Continuous Bag-of-Words Model) to obtain a word vector; 3: adopting a neural network structure, and using an LSTM(Long Short Term Memory) network model structure to enable the network to pay attention to whole-sentence contents; and 4: review sentence emotion classification: taking the output of the neural network as the input of a Softmax function to obtain a final result. By use of the method, semantic description in a semantic space is more accurate, the data is trained through the neural network so as to optimize the weight and the offset parameter in the neural network, parameters trained after continuous iteration make a loss value minimum, at the time, the trained parameters are used for traininga test set, and therefore, higher accuracy can be obtained.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Semiconductor laser apparatus capable of routing laser beams emitted from stacked-array laser diode to optical fiber with little loss
ActiveUS7079566B2Small lossOptical resonator shape and constructionSemiconductor laser optical deviceGas compressorLight beam
A semiconductor laser apparatus according to an exemplary embodiment of the present invention is provided. For example, the apparatus may include a single or a plurality of stacked-array laser diodes, first beam compressors, and a separating optical device separating the group of laser beams into subgroups of laser beams in a first direction, and deflecting the subgroups of laser beams so that the subgroups of laser beams approach in the first direction and recede from one another in a second direction. In addition, a collimating optical device may be provided which is adapted to deflect the subgroups of laser beams in the first and second directions by the same angles. Further, a beam converter may be included which divides each subgroup of laser beams and turning the axis thereof, and second beam compressors and a group of cylindrical lenses can be provided that can make the angle of divergence in the first direction close to the angle of divergence in the second direction.
Owner:NIPPON STEEL CORP
Drive apparatus, control method for the drive apparatus, storage medium storing a program controlling the drive apparatus, and power output apparatus
InactiveUS7102903B2Improve energy efficiencyDriven more efficientlyBatteries circuit arrangementsSynchronous motors startersTerminal voltageSwitching frequency
An electronic control unit (40) calculates the current flowing through a reactor (L) by dividing an output required BP* of a battery (32), obtained from converting the power required by a motor (22), by a terminal voltage Vb of the battery (32). A carrier frequency (optimum carrier frequency) is set for transistors (T7, T8) where the loss of a DC / DC converter (34) is minimized from the calculated current, and the DC / DC converter (34) is controlled at the set switching frequency.
Owner:DENSO CORP
System and Method for Controlling System
InactiveUS20160246266A1Precise cuttingGood precisionProgram controlDigital video signal modificationControl systemControl signal
A controller for controlling a system includes a non-transitory computer-readable memory storing data for an operation and a control of the system and at least one processor operatively connected to the memory for determining a control signal transitioning a state of the system from a current state to a next state. At least two instances of the data are stored in the memory with different precisions defined by numbers of bits storing the instance in the memory. The processor determines the control signal using the instances of the data with the different precisions.
Owner:MITSUBISHI ELECTRIC RES LAB INC
Three level inverter apparatus
InactiveUS6307760B1Low efficiencyTotal current dropAc-dc conversion without reversalAC motor controlPower inverterResonance
A three level inverter apparatus for suppressing a resonance current flowing therethrough, to thus improve its conversion efficiency and operational stability. This inverter apparatus includes a converter 1 for converting AC power source power to DC power, an inverter for converting thus converted DC power to AC power, and a DC link for interconnecting these converter and inverter. This DC link has two first smoothing capacitors connected in series between a positive-polarity potential bus P and a negative-polarity potential bus N for storing DC power obtained by the converter 1 and two second smoothing capacitors connected in series between the positive-polarity potential bus P and the negative-polarity potential bus N for storing DC power to be supplied to the inverter. The positive-polarity and negative-polarity potential buses each have a resonance-suppressing reactor inserted therein and the intermediate-potential bus, a resonance-suppressing resistor inserted therein.
Owner:HITACHI LTD
Portable IGBT arc welding machine
ActiveUS20140209586A1Large capacityLow calorific valueDc-dc conversionArc welding apparatusFull bridgeLow voltage
A portable IGBT (Insulated Gate Bipolar Transistor) of high reliability, compact size, and low cost includes a main circuit to which a control circuit and an auxiliary power supply circuit are connected. The main circuit includes, in sequence, an input rectifier filter circuit, an inverter circuit, a high-frequency primary transformer, and a secondary output rectifier circuit. The control circuit includes a PWM regulation circuit, an IGBT driving circuit, a current feedback circuit, and a current setup circuit. The inverter circuit includes a full-bridge hard switching structure, which has IGBTs constituting bridge arms that are sequentially conducted, so that their alternating conduction converts direct current into high frequency square wave alternating current, which flows through the high-frequency primary transformer and is then subjected to rectification to supply an output of low voltage direct current. Each IGBT is connected in parallel to resistor and capacitor, which constitute a peak voltage absorption circuitry.
Owner:SHENZHEN JASIC TECH
Thin film processing method and thin film processing apparatus including controlling the cooling rate to control the crystal sizes
InactiveUS7063999B2Quality improvementSatisfactory propertyTransistorSemiconductor/solid-state device manufacturingPhysicsPhoto irradiation
A thin film processing method for processing the thin film by irradiating an optical beam to the thin film. A unit of the irradiation of the optical beam includes a first and a second optical pulse irradiation to the thin film, and the unit of the irradiation is carried out repeatedly to process the thin film. The first and the second optical pulse have pulse waveforms different from each other. Preferably, a unit of the irradiation of the optical beam includes the a first optical pulse irradiated to the thin film and a second optical pulse irradiated to the thin film starting substantially simultaneous with the first optical pulse irradiation. In this case, the relationship between the first and the second optical pulse satisfies (the pulse width of the first optical pulse)<(the optical pulse of the second optical pulse) and (the irradiation intensity of the first optical pulse)≧(the irradiation intensity of the second optical pulse). A silicon thin film with a small trap state density can be formed by the optical irradiation.
Owner:NEC CORP +1
Method for transesterifying vegetable oils
ActiveUS7695533B2Reduce the amount requiredProceed very rapidlyFatty acid esterificationPreparation by ester-hydroxy reactionVegetable oilAlcohol
The present invention relates to a method for producing Diesel grade fuel of plant origin by transesterifying a refined vegetable oil in a homogenous phase with a C1-C4 alkanol in the presence of an aliphatic hydrocarbon solvent with a boiling point of 40-200° C. and a catalyst to form a first polar phase comprising glycerol by-product and a first apolar phase comprising transesterified fuel, non-transesterified vegetable oil, and aliphatic hydrocarbon solvent, separating the first polar phase and the first apolar phase, and refining the fuel from the first apolar phase, wherein the C1-C4 alcohol is used in an amount selected from the group consisting of: a stoichiometric amount; and an excess not exceeding 30% of an stoichiometric amount, and the aliphatic hydrocarbon solvent is used in an amount of at least 0.2 parts by volume relative to the unit volume of the refined vegetable oil.
Owner:QUIKSILVER
Open stope-caving combined mining method
The invention relates to the field of underground mine mining process, especially to an open stope-caving combined mining method suitable for mining minerals of which the orebody inclination angle is between 60 DEG and 90 DEG and the thickness is less than 10m. The method is characterized in that each mining ore block consists of a support pillar, an open-stope caving sublevel and a roadway thereof, a caving recovery sublevel and a roadway thereof, an ore chute and the like, wherein the open-stope caving sublevel is arranged along the strike direction of the orebody. The mining scheme has the advantages of simple process, safe production, low cost, high production efficiency, low loss and dilution and the like and is easy to manage. The ore recovery ratio of ore blocks is increased to 75% from about 50%; the ore dilution rate is controlled below 15%; and the mining production capacity is improved from the current 200 tons per day to 350 tons per day. With the gradually reduced thick and large orebodies which are easy to exploit, the requirement on efficiently mining thin ore bodies is more and more urgent, and therefore the method of the invention has very strong competitive power in the mining technical field at home and abroad and has broad application prospect.
Owner:ANSTEEL GRP MINING CO LTD
Automatic valve
InactiveUS6328277B1Force transmission lossGuaranteed uptimeDiaphragm valvesOperating means/releasing devices for valvesEngineeringFluid supply
Owner:ASAHI YUKIZAI KOGYO CO LTD
Dielectric and magnetic particles based metamaterials
InactiveUS7750869B2High bandwidthSmall lossAdditive manufacturing apparatusAntenna detailsInductorFigure of merit
Owner:NORTHEASTERN UNIV
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