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917 results about "High frequency oscillation" patented technology
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An audio oscillator produces frequencies in the audio range, about 16 Hz to 20 kHz. An RF oscillator produces signals in the radio frequency (RF) range of about 100 kHz to 100 GHz. Oscillators designed to produce a high-power AC output from a DC supply are usually called inverters.
Transmitting/receiving antenna, isolator, high-frequency oscillator, and high-frequency transmitter-receiver using the same
InactiveUS20050190101A1Satisfactory characteristicOscillation stabilityWaveguide type devicesRadio wave reradiation/reflectionDielectricPhase difference
A millimeter-wave transmitter-receiver uses an NRD guide as a fundamental configuration and includes a millimeter-wave signal oscillator, a pulse modulator, a circulator, an antenna and a mixer. In the millimeter-wave transmitter-receiver, a line length of a third dielectric guide is set so that δ=±π in which δ is a phase difference at a center frequency between a portion of a transmission millimeter-wave signal, which is reflected via a third dielectric guide on the leading end portion of the third dielectric guide and returned to leak to a third connecting portion of the circulator, and another portion of the millimeter-wave signal, which leaks from a first connecting portion to the third connecting portion of the circulator. It is possible to reduce the change in the mixer output and enhance the millimeter-wave transmission / reception performance.
Owner:KYOCERA CORP
Continuous high-frequency oscillation breathing treatment apparatus
ActiveUS7191780B2Assist in mucus secretionSimply and inexpensively manufacturingRespiratorsOperating means/releasing devices for valvesInhalationBreathing treatments
Owner:COMEDICA INC
High-frequency oscillation element, magnetic information recording head, and magnetic storage device
ActiveUS20050023938A1Increase temperatureIncrease speedPiezoelectric/electrostriction/magnetostriction machinesSolid-state devicesMagnetic storageResonance
A high-frequency oscillation element has a ferromagnetic material which exhibits thermal fluctuation of magnetization and generates spin fluctuations in conduction electrons, a nonmagnetic conductive material which is laminated on the first magnetic material and transfers the conduction electrons, a magnetic material which is laminated on the nonmagnetic conductive material, generates magnetic resonance upon injection of the conduction electrons, and imparts magnetic dipole interaction to magnetization of a neighboring magnetic area by means of magnetic vibration stemming from the magnetic resonance, a first electrode electrically coupled with the first magnetic material, and a second electrode electrically coupled with the second magnetic material.
Owner:KK TOSHIBA
High frequency field assisted write device
InactiveUS20080137224A1Record information storageRecording/reproducing/erasing methodsMagnetic layerHigh frequency oscillation
A magnetic writer includes a write element and an oscillation device disposed adjacent to the write element. The first oscillation device includes a first magnetic layer, a second magnetic layer having a magnetization vector including a component perpendicular to a major plane of the first magnetic layer. The first nonmagnetic layer disposed between the first magnetic layer and the second magnetic layer. The first oscillation device generates a high-frequency oscillation field when a current is directed perpendicular to the major plane of the first magnetic layer.
Owner:SEAGATE TECH LLC
High frequency field assisted write device
A magnetic writer includes a write element and an oscillation device disposed adjacent to the write element. The first oscillation device includes a first magnetic layer, a second magnetic layer having a magnetization vector including a component perpendicular to a major plane of the first magnetic layer. The first nonmagnetic layer disposed between the first magnetic layer and the second magnetic layer. The first oscillation device generates a high-frequency oscillation field when a current is directed perpendicular to the major plane of the first magnetic layer.
Owner:SEAGATE TECH LLC
Continuous high-frequency oscillation breathing treatment apparatus
ActiveUS20050061318A1Assist in mucus secretionSimply and inexpensively manufacturingRespiratorsOperating means/releasing devices for valvesBreathing treatmentsDuring expiration
A continuous high-frequency oscillation breathing device delivers therapy during both inhalation and exhalation in order to assist in clearing secretions from the lungs. A fixed shrouded-venturi patient interface circuit is combined with medicated aerosol to deliver continuous high-frequency oscillation therapy. Fixed open apertures in the patient interface circuit allow ingress and egress of flow, and are calibrated to allow exhalation and prevent stacking of successive breaths.
Owner:COMEDICA INC
High-frequency oscillator
A high-frequency oscillator includes a high-frequency oscillation element having a magnetization pinned layer whose magnetization direction is pinned substantially in one direction, an oscillation layer formed of a magnetic material which generates a high-frequency oscillation phenomenon when a current is supplied, an intermediate layer provided between the magnetization pinned layer and the oscillation layer, the intermediate layer having an insulation layer and current paths which pass through the insulation layer in a thickness direction, and a pair of electrodes which supply a current perpendicularly to a plane of a stacked film including the magnetization pinned layer, the intermediate layer and the oscillation layer.
Owner:KK TOSHIBA
Magnetic recording head and disk device with the same
A magnetic recording head includes a main magnetic pole that generates a recording magnetic field in a direction perpendicular to a recording layer, a write shield with a surface that faces a trailing side of the main magnetic pole, so that a write gap is interposed between the surface and the main magnetic pole, the write shield forming a magnetic core together with the main magnetic pole, a recording coil, a high frequency oscillator within the write gap, a wiring through which a current can flow through the main magnetic pole, the high frequency oscillator, and the write shield in series, and a magnetic element made of soft magnetic material, positioned within the write gap and separated from the high frequency oscillator, and configured to form a magnetic path passing through the main magnetic pole, the magnetic element, and the write shield, and not through the high frequency oscillator.
Owner:KK TOSHIBA
Closed loop control system for a high frequency oscillation ventilator
ActiveUS20070215154A1Smooth and precise controlRespiratorsOperating means/releasing devices for valvesControl systemClosed loop
A control system for a high frequency oscillating ventilator (HFOV) includes and oscillator controller and a mean airway pressure (MAP) controller. The HFOV includes a reciprocating piston which is adapted to generate positive and negative pressure waves for delivery to a patient airway. The oscillator controller comprises a pair of closed loop control circuits including an oscillator pressure loop and a centering loop which are collectively adapted to regulate frequency and amplitude of piston reciprocations and centering of the piston. The MAP controller comprises a closed loop control circuit that is adapted for regulating MAP at the patient utilizing feedback in the form of patient circuit pressure. Likewise, the oscillator controller utilizes patient circuit pressure as well as piston displacement feedback in order to regulate movement of the piston.
Owner:VYAIRE MEDICAL 211 INC
Method for synthesizing metal matrix composition using metal reaction under the coupling action of magnetic field and ultrasonic field
The invention relates to a method for preparing endogenetic particle reinforced metal matrix composites under the coupling effect of a magnetic field and supersonic waves. The method comprises: adjusting the temperature of a metal matrix fused mass to the reaction initial temperature after refining, adding a reactant which can generate a particle phase with the fused mass through the reaction in situ for implementing the synthesis reaction, standing the mixture after the reaction is over, and cooling the mixture to the pouring temperature for pouring; and the method is characterized in that: the magnetic field and the high-intensity ultrasonic field are simultaneously exerted in the reaction synthesis process to realize the synthesis of endogenetic particle reinforced metal matrix composites under the coupling effect of the magnetic field and the high-intensity ultrasonic field. The magnetic field can be an intense pulse magnetic field, a high frequency oscillation magnetic field or a low frequency alternating magnetic field. In the method, the coupling effect of the magnetic field and the ultrasonic field makes the particle sizes be thinned and dispersed evenly; the ultrasonic vibration agitation and electromagnetic stirring functions improve the composite dynamic condition, and the compounding of the particle phase and a base metal interface is better; and the co-action of magnetochemistry and sonochemistry improves the thermodynamic condition of the reaction in situ, as well as speeding up the reaction in situ and controlling the growth of the particle phase.
Owner:JIANGSU UNIV
Closed loop control system for a high frequency oscillation ventilator
A control system for a high frequency oscillating ventilator (HFOV) includes and oscillator controller and a mean airway pressure (MAP) controller. The HFOV includes a reciprocating piston which is adapted to generate positive and negative pressure waves for delivery to a patient airway. The oscillator controller comprises a pair of closed loop control circuits including an oscillator pressure loop and a centering loop which are collectively adapted to regulate frequency and amplitude of piston reciprocations and centering of the piston. The MAP controller comprises a closed loop control circuit that is adapted for regulating MAP at the patient utilizing feedback in the form of patient circuit pressure. Likewise, the oscillator controller utilizes patient circuit pressure as well as piston displacement feedback in order to regulate movement of the piston.
Owner:VYAIRE MEDICAL 211 INC
Magnetic sensor
A magnetic sensor has a magnetic oscillation element including a first magnetic resonance layer, a second magnetic resonance layer, a nonmagnetic layer sandwiched between the first and second magnetic resonance layers, and a pair of electrodes which supply a current perpendicularly to planes of the first resonance layer, the nonmagnetic layer and the second magnetic resonance layer, and a monitor monitoring a change dependent on an external magnetic field in a change of a high-frequency oscillation voltage generated across the magnetic oscillation element due to precession of magnetization in at least one of the first and second magnetic resonance layers caused by supplying the current.
Owner:KK TOSHIBA
Continuous high-frequency oscillation breathing treatment apparatus
ActiveUS8051854B2Simply and inexpensively manufacturingMaximize safetyRespiratorsMedical devicesInhalationBreathing treatments
A continuous high-frequency oscillation breathing device delivers therapy during both inhalation and exhalation in order to assist in clearing secretions from the lungs. A venturi patient interface circuit is combined with medicated aerosol to deliver continuous high-frequency oscillation therapy. Fixed open apertures in the patient interface circuit allow ingress and egress of flow, and are calibrated to allow exhalation and prevent stacking of successive breaths.
Owner:COMEDICA INC
Magnetic head and disk drive with high-frequency assisted writing
InactiveUS20090059418A1Driving/moving recording headsRecord information storageEngineeringFlying height
According to one embodiment, a magnetic head having a head slider which holds a magnetic head unit including a heat-generating element for controlling the flying-height and a high-frequency oscillator for performing high-frequency assisted writing, and on which terminals connected to the magnetic head elements are used in the smallest number required. Terminals are mounted on the head slider and are connected to the magnetic head unit. The terminals include at least one current-supplying terminal that is connected to the heat-generating element serving to control the flying height and to the high-frequency oscillator.
Owner:KK TOSHIBA
An integrated process of ecological dredging and sludge solidification and disposal
ActiveCN102267797AMeet the requirements of actual productionRich and perfect processing methodsSludge treatment by de-watering/drying/thickeningSludgeFirming agent
The invention discloses an integral process for ecologically desilting and curing sludge. The process comprises the following treatment steps of: I, absorbing riverbed sludge in an undistributed way; II, pretreating landed slurry based on high-frequency oscillation; III, decreasing and concentrating slurry-containing sewage while adding a flocculating agent A; IV, performing solid-liquid separation on the concentrated slurry, conveying the concentrated slurry in a decreasing and concentrating pond to a horizontal centrifuge, adding a flocculating agent B and centrifuging to obtain dehydrated slurry cakes; V, inputting the dehydrated slurry cakes into curing equipment, adding a curing agent to obtain cured sludge, introducing sewage drained from the centrifuge into an adjusting pond, adding a flocculating agent C, homogenizing, blending, elevating to a purifying tower through an elevating pump, and adding a flocculating agent D; and VI, making a purified liquid part drained from the purifying tower reflow for utilizing, and making precipitated concentrated slurry reflow to the decreasing and concentrating pond for retreating. The integral process has the advantages of high desilting efficiency, low cost, no secondary pollution, small floor area, and detachability and assembly for rapid transition.
Owner:中国船舶重工集团公司第七〇二研究所
Terahertz light source chip and manufacturing method thereof, terahertz light source device and manufacturing method thereof, and terahertz light source module and manufacturing method thereof
ActiveCN104466617AAvoid frequencyAvoid temperatureSolid masersSemiconductor devicesGratingWorking temperature
Owner:SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
Plasma Processing Apparatus and Plasma Processing Method
InactiveUS20100258529A1Improve stabilityCondition can be detectedLiquid surface applicatorsElectric discharge tubesPlasma densityElectrical impedance
The invention provides a plasma processing apparatus comprising a means for detecting the apparatus condition related to the ion flux quantity of plasma (plasma density) and the distribution thereof for to stabilizing mass production and minimizing apparatus differences. The plasma processing apparatus comprises a vacuum reactor 108, a gas supply means 111, a pressure control means, a plasma source power supply 101, a lower electrode 113 on which an object to be processes 112 is placed within the vacuum reactor, and a high frequency bias power supply 117, further comprising a probe high frequency oscillation means 103 for supplying an oscillation frequency that differs from the plasma source power supply 101 and the high frequency bias power supply 117 into the plasma processing chamber, high frequency receivers 114 through 116 for receiving the high frequency supplied from the probe high frequency oscillation means 603 via a surface coming into contact with plasma, and a high frequency analysis means 110 for measuring the impedance per oscillation frequency within an electric circuit formed by the probe high frequency oscillation means 603 and the receivers 114 through 116, the reflectance and the transmittance, and the variation of harmonic components.
Owner:HITACHI HIGH-TECH CORP
High-Frequency Oscillator
Owner:KK TOSHIBA
Directional microphone or microphones for position determination
ActiveUS20080316863A1Direction finders using ultrasonic/sonic/infrasonic wavesVideo gamesSonificationProcess module
Directional microphone or microphones for position determination. One or multiple directional microphones are implemented in various locations to perform acoustic wave capture of acoustic waves associated with object (e.g., a player, a gaming object, a game controller, etc.). The generator of such acoustic waves may be co-located with the object (e.g., integrated into the object if the object is a device such as a gaming object, a game controller, etc., or integrated into clothing worn by a player such as on a hat, a jacket, etc.). The acoustic waves described herein may be generated by any number of means / devices including audio output devices, speakers, pulse wave generators, audio oscillators, etc. Moreover, such acoustic waves may be ultrasonic. A game module and / or processing module processes directional vectors associated with positions of the directional microphones when detecting relative maximum amplitude of an acoustic wave emits by an acoustic wave generator.
Owner:AVAGO TECH INT SALES PTE LTD
Adjustable binding-fixative-massaging device for condoms
This innovation relates to an adjustable binding-fixative-massaging device for condoms, referring to a fastener design adapting to the caliber of the root of the male penis for fine-adjustment binding-fixation of condoms enveloping penises, to prevent slipping off of condoms during coitus; with providing a massaging device of pipe-shaped body with one big and / or numerous small massaging protrusion / s and a vibration-transmitting device through a central hole of the pipe, for forming high-frequency oscillation to intensify erotic massage of the protrusions stimulating the female clitoris and increasing the efficacy of delight during coitus.
Owner:LIN CHIN TIEN
Pulse signal generator for ultra-wideband radio transception and radio transceiver having the same
Provided are a pulse signal generator for UWB radio transception and a radio transceiver having the same. The pulse signal generator includes: an envelope generator generating a plurality of envelope signals; a local oscillator array composed of a plurality of high frequency oscillators, each outputting two oscillation signals having a phase difference from each other; a multiplier array receiving the envelope signals and the oscillation signals and outputting signals obtained by respectively multiplying the envelope signals by the oscillation signals; and an I channel adder and a Q channel adder outputting an I channel pulse signal and a Q channel pulse signal by adding output signals having the same phase components among the signals output from the multiplier array, respectively.
Owner:ELECTRONICS & TELECOMM RES INST
Continuous high-frequency oscillation breathing treatment apparatus
ActiveUS20080066754A1Simply and inexpensively manufacturingMaximize safetyRespiratorsMedical devicesInhalationBreathing treatments
A continuous high-frequency oscillation breathing device delivers therapy during both inhalation and exhalation in order to assist in clearing secretions from the lungs. A venturi patient interface circuit is combined with medicated aerosol to deliver continuous high-frequency oscillation therapy. Fixed open apertures in the patient interface circuit allow ingress and egress of flow, and are calibrated to allow exhalation and prevent stacking of successive breaths.
Owner:COMEDICA INC
Method and device for detecting liquid sample by using ultrasonic atomization and breakdown spectroscopy
InactiveCN101788487AExtend your lifeHigh sensitivityAnalysis by thermal excitationSpectroscopySpectrograph
The invention relates to a method and device for detecting liquid samples by using breakdown spectroscopy. The device utilizes the ultrasonic atomization method to atomize the liquid samples to form massive and dense droplets in the air, breaks down and induces plasma and radiates an emission spectra signal. The method comprises the following steps: high-frequency oscillation is generated by the ultrasonic transducer (3) of the device of the invention to ensure that the liquid samples (4) in a sample cell (5) generate fog droplets, with the aid of a supply fan and an exhaust fan (13), columnar mist is generated above an air duct (6); plasma is generated at the edge of the columnar mist through breakdown, the plasma emission spectra signal is collected by a collection lens (7) and enters a spectrograph (9) through optical fiber (8) to split light; and finally a photoelectric sensor (11) fits with an ICCD detector (10) to collect spectral data. The method of the invention can reduce the breakdown threshold, increase the ablation efficiency and prolong the life of plasma. The detection device is applicable to the field component detection analysis field of the environment and mineral resources and the detection method has higher signal-to-background ratio and lower cost compared with the similar methods.
Owner:OCEAN UNIV OF CHINA
Negative resistance field effect element and high-frequency oscillation element
InactiveUS20090127542A1Increase resistanceNegative resistanceTransistorNanoinformaticsGate voltageElectric field
There is provided a 3-terminal negative differential resistance field effect element having a high output and high frequency characteristic, requiring low power consumption, and preferably having a high PVCR. The field effect element uses a compound hetero structure and forms a dual channel layer by connecting a high-transfer degree quantum well layer (13) to a low-transfer degree quantum dot layer (15) via a barrier layer (14) on a substrate (11). Under existence of an electric field obtained by voltage application to a gate electrode (17), the negative resistance field effect element (10) changes a carrier accelerated by a drain voltage applied to a drain electrode (19) from a high-transfer degree channel to a low-transfer degree channel by the tunnel effect or over the barrier layer, thereby exhibiting negative differential resistance for the drain current and changing the negative resistance inclination by the gate voltage.
Owner:JAPAN SCI & TECH CORP +1
Geographic information system (GIS) terminal cable fault on-line location method
ActiveCN102944818AMeet the requirements of fault locationEliminate noise distractionsFault location by pulse reflection methodsCable fault locationEngineering
The invention discloses a geographic information system (GIS) terminal cable fault on-line location method. The GIS terminal cable fault on-line location method comprises the steps of synchronously acquiring fault current travelling wave signals of three-phase sheaths at two ends of a GIS terminal cable, filtering white noise, pulse noise and high-frequency oscillation noise which are acquired in the fault current travelling wave signals, eliminating outer modulus interference signals and inner modulus interference signals in filtered fault current travelling wave signals, obtaining sampling point sequences corresponding to catastrophe points of the fault current travelling wave signals, identifying the fault current travelling wave signals and performing location according to identified results. The GIS terminal cable fault on-line location method has high applicability, reliability, practical applicability and automation level, and the accuracy of fault location can meet the requirement of underground power cable system fault location.
Owner:FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID
High frequency power supply device and high frequency power supplying method
InactiveUS20080128087A1Improve efficiencyImprove accuracyLiquid surface applicatorsElectric discharge heatingHigh frequency powerControl power
A high frequency power supply device and power supplying method are disclosed, which can rapidly and accurately control power used for generation of plasmas. The device includes a first high frequency power supply, providing power at frequency f1, and a second high frequency power supply providing power at frequency f2 (f1>f2). The first power supply includes: a first high frequency oscillator, which excites the high frequency power at the first frequency and has a variable frequency; a first power amplification block, which amplifies the power of the high frequency oscillator; a heterodyne detection block, which performs heterodyne detection of a reflected wave; and a first control block, which receives a signal after detection of the heterodyne detection block and a traveling wave signal, and controls an oscillating frequency of the first high frequency oscillating block and an output of the first power amplification block.
Owner:PEARL IND +1
Ultrasonic cleaning device for medical apparatuses and instruments
InactiveCN107617604AFully autoclavableEasy to soakDrying gas arrangementsCleaning using liquidsDisinfectantUltraviolet
The invention provides an ultrasonic cleaning device for medical apparatuses and instruments, and belongs to the technical field of medical cleaning. The ultrasonic cleaning device comprises a supporting device and a cleaning device, a disinfectant is arranged in an inner cavity of a cleaning tank, a hot-air fan is fixedly arranged on the right side of the upper surface of a cover plate, ultraviolet lamps are arranged on the two sides of the lower surface of the cover plate, a containing mesh rack is arranged in a sterilization chamber through supporting blocks, ultraviolet sterilizers are arranged on the left side and the right side of an inner cavity of the sterilization chamber, and a steam generator is fixedly arranged in a device chamber. According to the ultrasonic cleaning device for the medical apparatuses and instruments, a containing mesh vessel is fixedly arranged at the lower ends of telescopic rods and has the functions of containing the medical apparatuses and instrumentsand enabling soaking and fetching to be convenient; ultrasonic generators are fixedly arranged on the left side and the right side of the inner cavity of the cleaning tank, and high-frequency oscillation signals which are generated through the ultrasonic generators are converted into high-frequency mechanical oscillation through an energy converter to be transmitted into the disinfectant, and therefore the medical apparatuses and instruments are cleaned; and the ultrasonic cleaning device has the advantages of being simple in structure, high in practicability and good in cleaning effect.
Owner:CHANGSHA KEYUE ENTERPRISE MANAGEMENT CONSULTING CO LTD
Magnetic sensor using a magnetic oscillation element
Owner:KK TOSHIBA
Phase difference detection method and system, double-crystal oscillation mixer circuit and distance measurement apparatus
InactiveCN101504462AHigh precisionLow costOscillations comparator circuitsElectromagnetic wave reradiationMeasurement devicePhase difference
The invention belongs to the field of phase difference detection and provides a phase difference detection method, a phase difference detection system, a dual crystal resonator mixer circuit and a distance measurement device. The phase difference detection method comprises the following steps: generating two high frequency oscillation signals of different frequencies, and dividing each high frequency oscillation signal into two paths, wherein one path is a local reference signal used for local reference and the other path is a distance measurement signal for distance measurement; mixing the two paths of local reference signals and outputting a low frequency first difference frequency signal; mixing a return signal of light waves which are modulated according to one path of distance measurement signal and transmitted to the position of a measured target to be reflected and the other path of distance measurement signal, and outputting a second difference frequency signal; and subtracting the first difference frequency signal from the second difference frequency signal to obtain the phase difference between the second difference frequency signal and the first difference frequency signal. The phase difference detection system has the advantages of high precision, low cost, good stability, low energy consumption, and the like, and is used for high-precision phase difference detection, and can achieve millimetre-sized measurement precision.
Owner:SHENZHEN MILESEEY TECH
Intelligent full-thorax high-frequency oscillation sputum elimination machine and method
InactiveCN101507844AIrritating cough goodImprove expectoration effectChiropractic devicesSuction devicesAnterior chest wallEngineering
The invention discloses an intelligent total thoracic high-frequency oscillating sputum ejection machine and a sputum ejection method. The sputum ejection machine comprises a hose, a pressure sensor, a conducting wire, a power supply device, a box body and a cover plate, and is characterized by also comprising a pressure jacket, an air oscillator and a cough sensor, wherein the pressure jacket consists of a metal spring ring, a transverse membrane, a longitudinal membrane, skin and an adhesive buckle; and the metal spring ring is arranged at the bottom of the skin, the transverse membrane is arranged above the metal spring ring, the longitudinal membrane is arranged inside the skin, the upper end of the longitudinal membrane is connected with the upper edge of the inner wall of the skin, and the lower end of the longitudinal membrane is vertical to the transverse membrane and is reserved with a gap. In order to solve a new problem that fixed two-point type anterior chest wall pulse cannot beat the lateral surface and the back of the chest so as to cause poor sputum ejection effect for partial patients, the sputum ejection machine and the sputum ejection method adopt intelligent air supply modes of an electric motor and an air pressure compensator to periodically supply pulse airflow to the pressure jacket, can adjust the pulse airflow according to different press degrees required by patients, and are greatly convenient to treat the patients of different types.
Owner:CHANGSHU BOYU MEDICAL ELECTRONICS
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