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Pressure Sensor patents



      
           
This page is updated frequently with new Pressure Sensor-related patent applications. Subscribe to the Pressure Sensor RSS feed to automatically get the update: related Pressure RSS feeds. RSS updates for this page: Pressure Sensor RSS RSS


Blood-pressure sensor

Cmut-on-cmos based guidewire intravascular imaging

Capacitive pressure sensor and method

Date/App# patent app List of recent Pressure Sensor-related patents
08/21/14
20140236294
 Device and method for determining the grafting of a recipient tissue site patent thumbnailDevice and method for determining the grafting of a recipient tissue site
A device comprising a kit and a method for using the kit are disclosed that warn a surgeon that the maximal grafting capacity of a recipient tissue has been reached. The increase in interstitial pressure is measured at the recipient site using any of several pressure sensor devices during the grafting process to alert the surgeon to stop grafting once a critical level has been reached, or a sudden increase in pressure is detected, indicative of a maximum graft size..
08/21/14
20140236028
 Blood-pressure sensor patent thumbnailBlood-pressure sensor
A blood-pressure sensor includes a substrate, a first electrode, a magnetization fixed layer, a nonmagnetic layer, a magnetization free layer, and a second electrode. The substrate is bent to generate a tensile stress at least in a first direction.
08/21/14
20140236017
 Cmut-on-cmos based guidewire intravascular imaging patent thumbnailCmut-on-cmos based guidewire intravascular imaging
An intravascular guidewire with integrated imaging and pressure measurement capabilities is disclosed. The guidewire can comprise an integrated cmut-on-cmos ultrasound transducer array to provide 3d imaging of vasculature and other tissue.
08/21/14
20140231939
 Capacitive pressure sensor and method patent thumbnailCapacitive pressure sensor and method
In one embodiment, a method of forming a mems device includes providing a silicon wafer with a base layer and an intermediate layer above an upper surface of the base layer. A first electrode is defined in the intermediate layer and an oxide portion is provided above an upper surface of the intermediate layer.
08/21/14
20140231531
 Arrangement comprising a gas delivery control system and a central heating installation and gas delivery control method patent thumbnailArrangement comprising a gas delivery control system and a central heating installation and gas delivery control method
An arrangement is disclosed of a gas delivery control system (1) and one or more appliances (ap) including a central heating installation. The one or more appliances are arranged for generating a request signal (s1) indicative for a requested supply of gas by at least one of the appliances.
08/21/14
20140231319
 Filtering of a time-dependent pressure signal patent thumbnailFiltering of a time-dependent pressure signal
A device removes first pulses in a pressure signal of a pressure sensor which is arranged in a fluid containing system to detect the first pulses, which originate from a first pulse generator, and second pulses, which originate from a second pulse generator. The first pulse generator operates in a sequence of pulse cycles, each pulse cycle resulting in at least one first pulse.
08/21/14
20140231066
 Coiled tubing system with multiple integral pressure sensors and dts patent thumbnailCoiled tubing system with multiple integral pressure sensors and dts
A multiple integral pressure transducer system for installation in oil field downhole coiled tubing systems.. .
08/21/14
20140230925
 Fluid monitoring and control system patent thumbnailFluid monitoring and control system
A fluid monitoring and control system includes a central hub having a central processor, a user interface and an input/output port. A plurality of control devices communicate with the central hub.
08/21/14
20140230911
 Pressure type flow control system with flow monitoring, and method for detecting anomaly in fluid supply system and handling method at abnormal monitoring flow rate using the same patent thumbnailPressure type flow control system with flow monitoring, and method for detecting anomaly in fluid supply system and handling method at abnormal monitoring flow rate using the same
A pressure type flow control system with flow monitoring includes an inlet, a control valve including a pressure flow control unit connected downstream of the inlet, a thermal flow sensor connected downstream of the control valve, an orifice installed on a fluid passage communicatively connected downstream of the thermal flow sensor, a temperature sensor provided near the fluid passage between the control valve and orifice, a pressure sensor provided for the fluid passage between the control valve and orifice, an outlet communicatively connected to the orifice, and a control unit including a pressure type flow rate arithmetic and control unit receiving a pressure signal from the pressure sensor and a temperature signal from the temperature sensor, and a flow sensor control unit to which a flow rate signal from the thermal flow sensor is input.. .
08/21/14
20140230789
 Module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line patent thumbnailModule for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line
A module for managing mass flow and dampening pressure pulsations in the supply line of a gaseous fuelled internal combustion engine comprises a hollow body defining an expanded volume that is fluidly connected directly to a pressure sensor and a temperature sensor. The module is placed along the supply line of a gaseous fuel engine between a fuel pressure increasing device and the fuel rail that supplies fuel to the engine.
08/21/14
20140230743
Animal euthanasia apparatus
An animal euthanasia device includes a chamber with an opening through which a partitioned cage may be wheeled. A pivotally attached door seals the opening using fixed edge seals and an inflatable door threshold seal.
08/21/14
20140230557
Sensor with vacuum-sealed cavity
A method and apparatus for detecting underwater sounds is disclosed. An embodiment of the apparatus includes a substrate with a vacuum-sealed cavity.
08/21/14
20140230537
Method and apparatus for use of electronic pressure gauge in extreme high temperature environment
Methods and apparatus for use of an electronic pressure gauge at high temperatures is presented. An electronic pressure sensor is exposed to wellbore pressure at a location having high-temperatures.
08/21/14
20140230526
Electronic device provided with automatic leak detection means
The electronic device (1) is provided with an automatic leak detection means, notably for a gas leak, in the case (2) of the device. The automatic leak detection means includes an internal pressure sensor (3), an external pressure sensor (4) and a calculation unit (5) connected to the internal pressure sensor and to the external pressure sensor.
08/21/14
20140230525
Electronic device provided with automatic leak detection means
The electronic device is provided with an automatic leak detection means, notably for a gas leak, in the case of the device. The automatic leak detection means includes a pressure sensor, a temperature sensor and a calculation unit connected to the pressure sensor and to the temperature sensor.
08/21/14
20140230409
Method and device for determining a starting time of a regeneration process for regenerating a diesel particle filter
Method for determining a starting time of a regeneration process of a particle filter which is connected into the exhaust train of an internal combustion engine, in particular of a diesel engine, wherein the data of an air mass flow rate meter, of an exhaust gas temperature sensor and of a differential pressure sensor are fed to a control unit and the control unit starts the regeneration on the basis of the data by means of the comparison with characteristic diagrams.. .
08/14/14
20140229124
Determining fluid leakage volume in pipelines
A method and an apparatus for determining leakage volume of fluid in transportation pipelines are provided. The method comprises: obtaining the negative pressure wave signals detected by at least two pressure sensors arranged on the pipeline; determining the pressure signal at the leakage location based on the negative pressure wave signals; determining the leakage rate during a leakage period based on the pressure signal at the leakage location according to a leakage model; and determining the leakage volume of the fluid in the pipeline based on the leakage rate and the leakage period.
08/14/14
20140228784
Negative pressure device for treating wounds
A device for treating wounds with negative pressure is provided that includes an adhesive film that defines a chamber in relation to the wound; a vacuum source can be adjusted to produce negative pressures in the same chamber; a canister for collecting liquids drained from the wound; a reservoir containing medicated liquids to be instilled in the wound; an unit for setting both the negative pressure and the quantity of administered medication; and a pressure sensor to detect the negative pressure present in said chamber. The device further includes a spiral diffuser mounted on said film comprising a high number of protrusions on tube coils, the spiral diffuser being connected both to vacuum source and to a pump; micro-valves for diffusing medicated liquids, one for each protrusion on coiled tube of spiral diffuser; and a pump administering medicated liquids exerting a pressure capable of opening the micro-valves present in protrusions..
08/14/14
20140228694
Apparatus and method of measuring blood pressure
Provided is a blood pressure measuring apparatus including: a pressurizing unit applying pressure to a blood vessel according to a first condition or a second condition; a pressure sensor sensing a sphygmus wave and a pressure of the blood vessel from the blood vessel under the first condition or the second condition; a standard blood pressure calculating unit for calculating a systolic standard blood pressure and a diastolic standard blood pressure; a continuous blood pressure calculating unit for calculating continuous blood pressure; and a repressurizing determining unit for determining whether pressure is applied to the blood vessel under the second condition during measuring of continuous blood pressure.. .
08/14/14
20140228693
Blood-pressure sensor
A blood-pressure sensor includes a substrate, a first electrode, a magnetization fixed layer, a nonmagnetic layer, a magnetization free layer, and a second electrode. The substrate is bent to generate a tensile stress at least in a first direction.
08/14/14
20140228654
Diagnostic measurement device
Measurement device and method for noninvasive determination of at least one physiological parameter, the device comprising a diagnostic sensor unit (1) for generating measurement signals, and an evaluation unit for processing the measurement signals. The diagnostic sensor unit (1) comprises at least one pressure sensor (3) which detects the pressure exerted locally onto the pressure sensor (3) by a body tissue which is to be examined.
08/14/14
20140227112
Vacuum pump
A vacuum pump for generating an underpressure has a pump chamber (14, 15) with an inlet (143) and an outlet (150), wherein the outlet (150) is equipped with a valve (3). According to the invention, the pump chamber (14, 15) is provided with a pressure sensor (23, 23′, 24).
08/14/14
20140227110
Diaphragm pump with automatic priming function
Illustrative embodiments of diaphragm pumps having an automatic priming function, as well as related systems and methods, are disclosed. In one illustrative embodiment, a method of priming a diaphragm pump includes sensing, with a pressure sensor disposed at a fluid outlet of the diaphragm pump, a pressure of a fluid being pumped by the diaphragm pump, transmitting a pressure signal associated with the sensed pressure from the pressure sensor to a controller of the diaphragm pump, and identifying, on the controller, whether the diaphragm pump is primed by determining whether a characteristic of the pressure signal has reached a threshold..
08/14/14
20140227107
Method for operating a feed pump operating in a pulsating manner and motor vehicle having a feed pump
A method for operating a feed pump operating in a pulsating manner in a feed unit to feed a liquid operating substance in a feeding direction, is used in a motor vehicle. The feed pump has a feed piston and a drive coil for driving the feed piston.
08/14/14
20140225747
Wireless waterline pressure sensor system for self-propelled irrigation systems
A water pressure sensing system for self-propelled irrigation systems has a waterline pressure sensing device mounted at the outermost sprinkler in wireless communications with a master control unit (mcu) mounted elsewhere on the irrigation system. The waterline pressure sensing device includes a water pressure sensor and a processor to detect changes in waterline pressure, in addition to a short-range radio for wireless communication with the mcu.
08/14/14
20140225730
Wearable personal locator device with removal indicator
Disclosed is a wearable personal locator device that communicates the location of a wearer to an administrator input terminal. The device is a wearable structure comprising either a wristband or adhesive patch, whereby the device registers whether or not the device is actively being worn by the wearer and provides a means to receive alert signals sent from the administrator input terminal.
08/14/14
20140224551
Smart phone scale
A weighing assembly (100,500,600) includes a portable computing device (“pcc”) (112) such as a smart phone, pad computer, laptop computer, or the like. The weighing assembly utilizes one or more features of the portable computing device in order to weigh an item, under control of a scale application program or “app” executable in the portable computing device.
08/14/14
20140224212
Leakage diagnosis apparatus for evaporated-gas purge system
A leakage diagnosis apparatus is applied to an evaporated-gas purge system including a negative-pressure sensor and a pressure detecting portion. The negative-pressure sensor introduces a negative pressure into an evaporation system.
08/14/14
20140224028
Pressure sensor arrangement for detecting a pressure of a fluid medium in a measurement area
A pressure sensor system for acquiring a pressure of a fluid medium in a measurement chamber, and a method for the production thereof, are provided, having a sensor housing, at least one sensor element that is situated on a bearer such that it can be exposed to the medium in order to measure a pressure of the medium, and an evaluation circuit for outputting a signal that indicates the pressure acting on the sensor element. The evaluation circuit is situated outside the medium and is energetically connected to the sensor element in contactless fashion.
08/14/14
20140223992
Apparatus and method for volume and mass estimation of a multiphase fluid stored at cryogenic temperatures
An apparatus and method estimate fluid mass in a cryogenic tank that holds a multiphase fluid comprising a liquid and a vapor. The apparatus comprises a level sensor, a pressure sensor and a computer.
08/07/14
20140222362
Automatic calibration adjustment of capacitance diaphragm gauges to compensate for errors due to changes in atmospheric pressure
In order to mitigate the negative effects of a change in atmospheric pressure, an improved capacitance diaphragm gauge (cdg) sensor incorporates an independent ambient atmospheric pressure sensor near the cdg sensor body. The ambient atmospheric sensor is located outside the cdg sensor body to sense the ambient atmospheric pressure surrounding the cdg sensor body.
08/07/14
20140220693
Automatic analyzer
A plunger 66 is moved downwardly in predetermined distance while the tip of the sample probe 15 is immersed in a sample to suck the sample into the probe. A pressure sensor 26 detects the pressure fluctuation during the suction operation, an ad converter converting the signals into digital signals to send the signals for a signal processing unit 76.
08/07/14
20140220469
Sensor integrated glass bulb temperature pressure relief device design for hydrogen storage systems
A tprd for a high pressure storage vessel including an integrated pressure sensor cooperative with an activation mechanism and a method of monitoring a tprd for use in a fuel cell system. The tprd comprises a release piston, moveable between an open and a closed position, which controls the flow of gas from a fuel storage vessel through a gas outlet port.
08/07/14
20140219793
Health monitoring for hollow blades
A system for detecting a defect in a hollow blade includes a pressure sensor mounted within a cavity of the hollow blade, wherein the pressure sensor measures a pressure within the cavity and provides an output indicative of measured pressure; and a controller to receive the output from the pressure sensor, wherein the controller indicates a defect in the hollow blade based upon the received output.. .
08/07/14
20140217343
Lifting apparatus for an aircraft
The invention relates to a lifting apparatus (16) for an aircraft (1), comprising: at least one cushion (19) which can be blown up and has at least two chambers (20, 21); at least one compressor; and at least one pressure control device, wherein each of the chambers is connected to the compressor (7) via the pressure control device by means of a hose (9), wherein the lifting apparatus comprises a pressure-sensitive device (23) having at least two pressure sensors (25), and the pressure-sensitive device is arranged between the uppermost chamber of the cushion and that region of the aircraft to be lifted.. .
08/07/14
20140216602
Automated fuel quality detection and dispenser control system and method, particularly for aviation fueling applications
A fuel quality monitoring system and method to automatically and/or continuously monitor quality of fuel dispensed and control the operation of the fuel dispenser. The control system monitors fuel quality to prevent unsafe refuelings when the fuel quality is unacceptable.
08/07/14
20140216280
Square balers
A square baler includes a control system having a closed loop mode of operation in which at least one of the volume of the feeder duct and the threshold pressure of the pressure sensor is varied automatically to maintain the capacity parameter within one of a plurality of desired capacity ranges. The desired capacity range is selected by the control system in such a manner as to maintain the width of each slice in the finished bale within predetermined limits..
08/07/14
20140216165
Subsea retrievable pressure sensor
A subsea retrievable pressure sensor for measuring fluid pressure at a well or other subsea fluid system. In one embodiment, a pressure sensor assembly includes a subsea pressure housing, a first pressure sensor, an electrical connector, a first hydraulic connector, and a latching mechanism.
08/07/14
20140216163
Pressure sensor and method for producing a pressure sensor
A pressure sensor (1) is specified, comprising a housing (2), a membrane (3), which forms with the housing (2) a chamber (4) closed off toward the outside, and a filling opening (6) for filling the chamber (4) with a fluid medium (5). The filling opening (6) is closed by means of a soldering or welding closure (7, 8).
08/07/14
20140216162
Sensor for high pressure processing of articles
A pressure sensor device and its use for confirming achievement of a selected pressure in a high pressure process (hpp) for sanitizing food is disclosed. The device includes at least a base and a sheet, each of which is substantially impermeable to the working fluid of the hpp and is deformable at the selected pressure.
08/07/14
20140216123
Die condition detection
A die (13, 213, 313) is supported in a die holder (381) such as a frame or an adapter (18, 518) supported in a frame such that it is operational use in a material deforming operation. One or both of the die and the die holder have at least one gas passage which is substantially closed by at least part of the die.
08/07/14
20140216073
Method of charging a coolant
To ensure precise charging of a coolant into a cooling system (6) via a hose (4), temperature sensors (ts and te) and pressure sensors (ps and pe) are mounted at the inlet side and/or outlet side of the hose (4). A signal may be applied from these sensors to a computer (11), which is capable of calculating the amount pumped through the hose (4) and thereby controlling it via a valve (5).
08/07/14
20140215684
Pressure sensing glove
An pressure sensing glove in which at least five, preferably at least seven and most preferably at least nine pressure sensors are intrinsic to the glove manufacture, usually sandwiched between layers of the glove. Between five to nine pressure sensors are positioned throughout the glove, and the pressure sensors themselves may be capacitive sensors, piezoelectric sensors, air filled bladder pressure sensors in communication with hollow tubes further connected to electronic pressure sensors, or any other sensor known in the art..
07/31/14
20140214353
Method to determine a pressure noise metric for fall detection systems
A wearable fall-detection device has a variety of sensors, including a pressure sensor, that provide signals for sampling environmental conditions acting on the device. An average of pressure data samples is used to determine a resultant that may indicate an amount of noise in a pressure data signal, and statistical analysis of the noise and the pressure signal average may be used to determine a confidence estimate value that indicates a level of confidence in the amount of noise that a pressure signal is subject to, or includes.
07/31/14
20140213992
Thoracic drainage device having reduced counter-pressure
A device for thoracic drainage comprises a container connector for a secretion collection container (3), which can be connected to the pleural cavity of a patient, and a venting device (10) for releasing air from the secretion collection container in passive operation. In order to keep the counterpressure as low as possible during the air release and thus make it easier to force air out of the pleural cavity (1) of a patient, the venting device has a controllable vent valve (12).
07/31/14
20140213916
Wireless mems left atrial pressure sensor
Systems for monitoring left atrial pressure using implantable cardiac monitoring devices and, more specifically, to a left atrial pressure sensor implanted through a septal wall are presented herein.. .
07/31/14
20140213915
Wireless mems left atrial pressure sensor
Systems for monitoring left atrial pressure using implantable cardiac monitoring devices and, more specifically, to a left atrial pressure sensor implanted through a septal wall are presented herein.. .
07/31/14
20140213308
Atmospheric pressure sensor
An atmospheric pressure sensor is disclosed which comprises an atmospheric pressure sensing element, a processing unit, and an interface unit. The atmospheric pressure sensing element is operable to measure the atmospheric pressure, and the processing unit is electrically coupled to the atmospheric pressure sensing element and is operable to read the measured atmospheric pressure from the atmospheric pressure sensing element.
07/31/14
20140210881
Inkjet printing system, fluid ejection system, and method thereof
An inkjet printing system, fluid ejection system and method thereof are disclosed. The fluid ejection system includes a fluid ejection device and a determination module to determine a supply condition based on the count value output by the converter module.
07/31/14
20140209756
Vehicle coupling fault detecting system
A vehicle coupling fault detecting system is disclosed. The system may include first and second selectively-pressurized fluid conduits containing first and second communication cables that are communicatively coupled when the first and second fluid conduits are connected together.
07/31/14
20140209749
Fuel pressure sensor line reservoir
The present invention concerns a device for use in an aircraft fuel pressure sensor line. More particularly, but not exclusively, this invention concerns a fuel pressure sensor line connecting an aircraft fuel pump to a pressure sensor.
07/31/14
20140209299
Snubbing stack
A snubbing apparatus for a wellhead has a snubbing stack with a upper sealing element and a lower sealing element that seal between the elongate string and the snubbing stack. A string driver carried by the snubbing stack manipulates the elongate string through the upper and lower sealing elements.
07/31/14
20140209220
Two-phase stainless steel, method of manufacturing the same, and diaphragm, pressure sensor, and diaphragm valve using two-phase stainless steel
It is an object of the present invention to provide a metal diaphragm capable of achieving a higher strength, excellent corrosion resistance, and a smooth surface condition, and a pressure sensor including the diaphragm. The diaphragm according to the present invention includes a two-phase stainless steel having a composition of 24 to 26 mass % cr, 2.5 to 3.5 mass % mo, 5.5 to 7.5 mass % ni, 0.03 mass % or less c, 0.08 to 0.3 mass % n, and the balance fe and inevitable impurities, and having a 0.2% proof stress of 1300 mpa or higher..
07/31/14
20140209179
Validation method for pressure sensor signal at electrical controlled high pressure gas storage systems
A method for validating a pressure sensor between a source of a gas and a pressure regulator that regulates a gas flow. The method includes providing a valve command signal and selecting a bias signal from a bias table.
07/31/14
20140209094
Detection system and method for aerosol delivery
An apparatus comprises a detector, a pressure sensor and a processor. The detector is operable to detect light that is scattered by an aerosol that is associated with a pressure.
07/31/14
20140209068
Method for plausibilizing a rail pressure sensor value
A method for plausibilizing a rail pressure sensor value of a rail pressure sensor of an internal combustion engine having a common rail system that has a fuel high-pressure piston delivery pump includes acquisition of the beginning of conveying by the piston delivery pump, calculation of the rail pressure from the compression work performed by the piston, and plausibilization of the rail pressure outputted by the rail pressure sensor on the basis of the calculated rail pressure.. .
07/31/14
20140208858
High stable fiber fabry-perot pressure sensor with glue-free packing and its fabrication method
The present invention relates to a high stable fiber fabry-perot pressure sensor with glue-free packing and its fabrication method. The sensor includes a sensor head, a sensor body with a through-hole in the axial direction and a optical fiber.
07/31/14
20140208857
Mems resonator pressure sensor
A resonant mems pressure sensor in which the resonator mass of the mems resonator is anchored both to the fixed base beneath the resonator cavity as well as to the top membrane over the resonator cavity. This provides a more robust fixing of the resonator mass and offers a dependence of resonant frequency on the pressure outside the cavity..
07/31/14
20140208781
Apparatus and method for sensing ice thickness and detecting failure modes of an ice maker
An ice maker comprising a refrigeration system, a water system, and a control system. The control system includes an air fitting disposed in the sump of the water system, a pneumatic tube, and a controller comprising a processor and an air pressure sensor.
07/31/14
20140208764
Systems and methods for measuring a flow profile in a turbine engine flow path
A method and system for measuring a flow profile in a portion of a flow path in a turbine engine is provided. The system includes a mass flow sensor assembly having a plurality of hot wire mass flow sensors, the mass flow sensor assembly disposed in the portion of the flow path at a location where the flow profile is to be measured.
07/24/14
20140207330
Device for detecting the impact of an object on a vehicle
The invention relates to a device for detecting the impact of an object on a vehicle, which comprises a hose filled with a filling medium. The device also comprises a first pressure sensor which is connected with a first end of the hose and a second pressure sensor connected with a second end of the hose.
07/24/14
20140207062
Apparatus and methods for measuring peripheral venous pressure and applications of same
In one aspect, an apparatus for measuring peripheral venous pressure includes a tubing having two ends with one end connectable to a fluid source and the other end connectable to a vein, a fluid controlling device configured to have an on position and an off position, and at least one pressure sensor configured to measure fluid pressures therein. When the fluid controlling device is in the on position, fluid flow in the tubing is allowed to pass through the fluid controlling device, such that the at least one pressure sensor measures both a fluid pressure from the fluid source and a distal venous pressure from the vein.
07/24/14
20140207036
Garment detection method and system for delivering compression treatment
A compression treatment system is provided that detects the number of and type of garments connected thereto. The system includes a plurality of ports, valves connected thereto and a number of garments having one or more bladders.
07/24/14
20140207009
Blood pressure measurement device
A blood pressure measurement device corrects the error caused by blood congestion. The device includes a blood pressure measurement section that calculates a blood pressure value of a patient based on the cuff pressure and pulse waves detected by a pressure sensor, a blood congestion determination section that determines a degree of blood congestion that occurred at a peripheral side of the measurement location due to the cuff pressure on the measurement location in accordance with a predetermined method, a blood pressure correction section that calculates a corrected blood pressure value based on the degree of the blood congestion, and a display that displays the corrected blood pressure value..
07/24/14
20140207007
Strain sensor element and blood pressure sensor
A strain sensor element comprises a laminated film which has a magnetic free layer, a spacer layer, and a magnetic reference layer. The free layer has a variable magnetization direction and a out-of-plane magnetization direction.
07/24/14
20140207006
Strain sensor element and blood pressure sensor
A strain sensor element comprises a laminated film which has a magnetic free layer, a spacer layer, and a magnetic reference layer. The free layer has a variable magnetization direction and a out-of-plane magnetization direction.
07/24/14
20140206953
System and method for detecting tissue surface properties
A system and method for detecting a tissue property. The system comprises a first unit positioned outside a patient body and a second unit positioned inside the patient's body.
07/24/14
20140206124
Pressure sensor and method of packaging same
A method of packaging a pressure sensor die includes providing a lead frame having a die pad and lead fingers that surround the die pad. A tape is attached to a first side of the lead frame.
07/24/14
20140204285
Flexible display device having touch and bending sensing function
A flexible display device having a touch and bending sensing function includes a plurality of pixels on a display area of a first substrate, and a pressure sensor portion between the first substrate and the plurality of pixels, the pressure sensor portion including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes above the first electrodes and arranged in a second direction.. .
07/24/14
20140202495
Glass wiping device and control method thereof
A glass wiping device and a control method thereof are provided. The glass wiping device comprising a driver mechanism (110) and a follower mechanism (120); the driver mechanism (110) and the follower mechanism (120) are respectively provided with a first magnet unit and a second magnet unit; the magnetic force between the first magnet unit and the second magnet unit enables the driver mechanisms (110) and the follower mechanism (120) to be correspondingly adsorbed on the inside and outside of the glass, and the follower mechanism (120) can follow the driver mechanism (110); the driver mechanism (110) or the follower mechanism (120) is provided with a pressure induction unit and a pressure indicating device (121) thereon; the pressure induction unit comprises a pressure sensor (41) and a controller (42); the pressure sensor (41) is used to sense the pressure of the driver mechanism (110) and the follower mechanism (120) against the glass; after receiving a pressure signal transmitted by the pressure sensor (41), the controller (42) controls the pressure indicating device (121) to display a relevant state.
07/24/14
20140202431
Fuel injection apparatus
A control unit obtains approximation straight lines before and during the fuel injection with respect to a first injection and a second injection among multiple fuel injections based on a pressure variation in the fuel accumulator which is sampled by the pressure sensor. The control unit employs data of which correlation coefficient is higher among a pilot injection and a main injection and obtains a hypothetical injection-start point accurately.
07/24/14
20140202260
Pressure sensor using mems resonator
A pressure sensor including: a mems resonator; a sweeping unit which sweeps a frequency of an excitation signal in a predetermined direction of sweeping, over a predetermined frequency range including a resonance frequency f0 of a vibrator in the mems resonator, while outputting the excitation signal to the mems resonator; an integrating unit which inputs a vibrating-state information signal as a characteristic amount indicative of a vibrating state of the vibrator from the mems resonator while the sweeping unit sweeps the frequency, integrates a plurality of the vibrating-state information signals at different frequencies of the excitation signal, and outputs the integrated value; and a conversion unit adapted to determine a pressure acting on the mems resonator, based on the integrated value.. .
07/24/14
20140202255
Fluid pressure sensor
In a fluid pressure sensor with a pressure sensing membrane and an electronic circuit, the electronic circuit is in a section realized so thin that a membrane is formed in this section of the electronic circuit. In the other sections, the electronic circuit is realized thicker than in the section that forms the membrane.
07/24/14
20140202139
Hydrocarbon delivery apparatus
An apparatus for controlling hydrocarbon delivery in an exhaust gas processing system of an engine that includes a heat generating device and a dpf, comprising a fuel injector and a control manifold, which has a pressure chamber holding compressed air for separating hydrocarbon from exhaust gas, and is fluidly connected to the fuel injector, a fuel control solenoid valve for controlling hydrocarbon supply, a pressure sensor, and a volume changing device, which provides a linear relationship between its volume change and pressure change in the control manifold. With the volume changing device, a deterioration factor value indicative of performance change of the hydrocarbon delivery device can be calculated for compensating temperature control, calculating the hydrocarbon conversion efficiencies of the heat generating device and the dpf in the exhaust gas processing system, detecting failures and mal-functions in the exhaust gas processing system and the engine..


Popular terms: [SEARCH]

Pressure Sensor topics: Pressure Sensor, Blood Pressure, Refrigerant, Storage Device, Electric Vehicle, Electronic Cigarette, Integrated Circuit, Signal Processing, Hemodynamic, Blood Vessel, Temperature Measurement, Ion Channel, Carotid Arteries, Carotid Artery, Intracranial

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