Matches 1 - 50 out of 84 1 2 >


Match Document Document Title
US20110023577 CIRCUIT AND METHOD FOR PRESSURE SENSOR TESTING  
A method for testing a pressure sensor having a first node and a second node includes coupling the first node to a first input of an amplifier and coupling a reference voltage to a second input of...
US20140208821 In-Situ System Calibration  
A method for re-calibrating installed downhole sensors used in hydrocarbon wells by the application of a calibration string inserted in the wells and deployed in close proximity to the installed...
US20150192440 Systems and Methods for Initiating Calibration of a Sensor  
A device having a sensor may be calibrated by obtaining a condition of a device incorporating the sensor and initiating a calibration operation for the sensor based, at least in part, on the...
US20140182352 System and Method for Evaluating the Functionality of a Blood Pressure Cuff  
A system and method for evaluating the functionality of a blood pressure cuff. The system includes a support mandrel that receives a stimulation cuff connected to a blood pressure simulation...
US20150000044 MATTRESS, PRESSURE SENSOR CALIBRATION METHOD, AND BED DEVICE  
When pressure detected by a pressure sensor connected to a calibration standard cell has continuously fallen within a regulated pressure range at calibration for a regulated duration at...
US20110146370 SENSOR HAVING AN INTERNAL CALIBRATION STRUCTURE  
A sensor has a measuring element that measures forces. The measuring element measures direct forces or measurement variables which are converted into forces by means of a measurement variable...
US20120035824 ABNORMALITY DETECTION DEVICE FOR DETECTION CIRCUIT AND ELECTRIC CIRCUIT, AND DETECTION SYSTEM AND ELECTRONIC SYSTEM WHICH USES ABNORMALITY DETECTION DEVICE  
In an electric circuit whose behavior is changed corresponding to a peripheral environment, an abnormality detection device can surely detect abnormality in the electric circuit even in a state...
US20050005673 Ferrite system  
A ferrite system for a sensor for monitoring tire pressure and/or tire temperature, comprises a transformer (3) whose primary coil is in the form of a tire antenna (29) and a stray coil (5), the...
US20140026633 EXTREMUM SEEKING ALGORITHM IN A VARIABLE TIME INTERVAL TO DETECT ANODE PRESSURE SENSOR STUCK FAILURE IN A FUEL CELL SYSTEM  
A system and method for detecting an anode pressure sensor failure in a fuel cell system. The system and method include a controller that sets an initial minimum anode pressure sensor value and an...
US20120240659 GAUGE WITH VISUAL CALIBRATION CONFIRMATION AND RELATED METHOD  
A device for taking pressure readings on a HVAC system includes a first needle connectable in communication with the HVAC system for taking a first pressure reading thereof. The first needle is...
US20150025817 MONITORING THE CHANGE IN HEIGHT OF A DEVICE USING AN AIR PRESSURE SENSOR  
There is provided a method of monitoring a change in height of a device, the device comprising a sensor for measuring the air pressure at the device, the method comprising determining a pressure...
US20120167659 PRESSURE SENSOR WITH PRESSURE-ACTUATED SWITCH  
Various embodiments relate to a pressure sensor and related methods of manufacturing and use. A pressure sensor may include an electrical contact included in a flexible membrane that deflects in...
US20110048101 METHOD FOR CALIBRATING A SENSOR WITHIN AN ENCLOSURE; SENSOR, DISPOSABLE, AND TREATMENT DEVICE INCLUDING A LIKE SENSOR  
The invention relates to a method for calibrating sensors, in particular RFID sensors, within an enclosure such as, e.g., a sterilization chamber. It furthermore relates to a sensor calibrated by...
US20120060583 CALIBRATION OF A PRESSURE SENSOR IN A HYDROGEN STORAGE SYSTEM  
A method and system for automatically calibrating a pressure sensor in a hydrogen storage system for a fuel cell vehicle. A low-range pressure sensor in the fuel cell system, which has much...
US20130031949 METHOD AND A DEVICE FOR CORRECTING A MEASUREMENT OF THE PRESSURE OF A GAS STREAM FLOWING IN AN AIRCRAFT ENGINE  
A method to correct a current measurement of pressure of a gas stream delivered during a mission by a sensor in the engine. The method includes: estimating a drift error affecting the sensor on...
US20080137339 LASER GUIDE  
A laser guide for rotating tools comprises a first housing portion and a second housing portion. A seal is provided between the first housing portion and the second housing portion. A lens is...
US20050145010 Medication safety enhancement for secondary infusion  
A system and method determine when fluid is not flowing properly from a secondary infusion source during a secondary infusion. The system includes an upstream pressure sensor and a processor...
US20100024517 Pressure Gauge  
This invention is a pressure gauge designed to measure pressure over a very wide range of pressures, while maintaining a very high accuracy throughout the range. This invention reduces the number...
US20140290329 IN SITU PROBE WITH IMPROVED DIAGNOSTICS AND COMPENSATION  
A process combustion transmitter is provided. The transmitter includes a process probe extendible into a flow of process combustion exhaust. The process probe has a measurement cell and a diffuser...
US20150177089 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...
US20130263643 METHOD FOR MEASURING A MICROELECTROMECHANICAL SEMICONDUCTOR COMPONENT  
The invention relates to a method for checking a pressure sensor comprising a reversibly deformable, in particular reversibly bendable measuring element (18) which supplies a measurement signal...
US20140190237 OUTPUT SPECIFICATION CALIBRATING APPARATUS FOR CAPACITIVE PRESSURE SENSOR  
An output specification calibrating apparatus for a capacitive pressure sensor. The output specification calibrating apparatus enables adjustment of non-linearity, offset, and gain of the...
US20110126608 OUT-OF-RANGE SENSOR RECALIBRATION  
A method for resetting a calibration of a sensor operating out-of-range in a hydraulic actuation system is provided. The hydraulic actuation system includes a pump, a reservoir, a plurality of...
US20140352658 SYSTEM AND METHOD TO DIAGNOSE FUEL SYSTEM PRESSURE SENSOR  
A system includes an ignition detection module, a pressure sensor, a pressure variation module, and a pressure sensor diagnostic module. The ignition detection module detects when an engine is...
US20130333440 DIFFERENTIAL PRESSURE TRANSMITTER WITH PRESSURE SENSOR  
A process variable transmitter for measuring a pressure of a process fluid includes a first inlet configured to couple to a first process pressure and a second inlet configured to couple to a...
US20150159574 FUEL RAIL PRESSURE SENSOR DIAGNOSTIC TECHNIQUES  
A first computer-implemented diagnostic method can run in response to an imminent deceleration fuel cutoff (DFCO) event. A second computer-implemented diagnostic method can run on engine shutdown....
US20120060584 CALIBRATION OF ALL PRESSURE TRANSDUCERS IN A HYDROGEN STORAGE SYSTEM  
A method and system for automatically calibrating all pressure sensors in a hydrogen storage system for a fuel cell vehicle. A pressure regulator in the hydrogen storage system, which has much...
US20090178462 Method for creating a Low Fluid Pressure Differential Electrical Generating System  
This invention involves a method of creating a hydroelectric turbine system that is capable of producing electricity while sustaining a majority of the fluid flow or hydraulic pressure within the...
US20140260519 SYSTEMS AND METHODS FOR IMPROVED DYNAMIC PRESSURE MEASUREMENTS  
A method, device, or system is provided for improving dynamic pressure measurements. In one embodiment, a method comprises receiving, at a filter structure having a restricting tube, an input...
US20130098137 TONOMETER CALIBRATION TOOL  
A tool for calibrating a non-contact tonometer (NCT) comprises a body having a mating feature configured for removably mounting the body on the nosepiece or on the measurement head of the NCT, a...
US20150198496 PRESSURE TESTING WITH CONTROLLED APPLIED FLUID  
Circuits, methods, and apparatus for testing pressure sensors and other integrated circuits and devices while applying a well-controlled pressure are provided. A fluid may be received by a flow...
US20100083731 Pressure-based diagnostic system for process transmitter  
A process transmitter for measuring a process variable in an industrial process comprises a gauge pressure sensor, an excitation source and transmitter circuitry. The gauge pressure sensor...
US20100077829 LOW DIFFERENTIAL PRESSURE MONITORING SYSTEM FOR ROOMS  
A pressure monitoring apparatus (10) including features that simplify in-situ calibration procedures. A pressure monitoring module (12) of the apparatus is coupled to external pressure lines (14,...
US20080307854 METHOD AND KIT FOR MAINTAINING A STERILE ENVIRONMENT DURING CALIBRATION OF A MEDICAL DEVICE  
A method for maintaining a medical device in a sterile atmosphere at a desired temperature during a calibration step is provided. The method includes packaging a medical device and temperature...
US20080148807 DIFFERENTIAL PRESSURE SENSOR FOR FILTER MONITORING  
The present inventors devised, among other things, exemplary differential pressure sensors suitable for use in a wide-variety filter-monitoring applications. One exemplary sensor, which operates...
US20110088447 DIAGNOSTIC METHOD AND APPARATUS FOR THERMAL REGENERATOR AFTER-TREATMENT DEVICE  
A method and apparatus for identifying a component failure within a thermal regenerator operates as follows. The burner control unit monitors at least one of a fuel pump characteristic for a fuel...
US20140216127 SEPARATED TYPE PRESSURE GAUGE  
In order to basically solve the problem of the change with time of a standard barometric pressure including a vacuum in a standard pressure chamber of a separated type pressure gauge, provided is...
US20130139565 FERROFLUID MODIFIED FILL FLUID FOR PRESSURE TRANSMITTERS  
A pressure transmitter for measuring a pressure of a process fluid comprises a transmitter housing, a pressure sensor, a hydraulic relay system, a ferrofluid and transmitter electronics. The...
US20130080032 PRESSURE SENSOR DIAGNOSING METHOD AND COMMON RAIL FUEL INJECTION CONTROL APPARATUS  
Disclosed is a common rail fuel injection control apparatus that is used in an engine that drives power equipment, an actual measurement temperature difference that is a difference between a...
US20130044001 HOLOGRAPHIC OCCLUSION DETECTION SYSTEM FOR INFUSION PUMPS  
A holographic occlusion detection system has a holographic label placed onto a sensing portion of a pressure sensor connected to infusion tubing. The sensor at the sensing portion can have a...
US20080208502 Method For Improving an Indirectly Measuring Tire Pressure Monitoring System  
Disclosed is a method of improving the recognition of a tire pressure loss in a tire pressure monitoring system in which at least one reference value (A) is formed on the basis of signals...
US20100125212 METHOD AND APPARATUS FOR TESTING ACCURACY OF BLOOD PRESSURE MONITORING APPARATUS  
A method for testing accuracy of blood pressure measurement in a blood pressure monitoring apparatus includes calculating a difference between measured blood pressures of a user measured at two or...
US20150207052 Thermoelectric Micro-Platform for Cooling and Temperature Sensing  
A thermoelectric micro-platform includes a suspended micro-platform, the suspended micro-platform being configured as a support layer with a device layer disposed thereon. Two arrays of...
US20080060410 DEVICE FOR DETECTING A VARIABLE FOR A PROCESS FLUID VIA DIFFERENTIAL MEASUREMENT  
Described herein is a device for detecting a physical variable for a process fluid via differential measurement, comprising a pressure transmitter having a main body, provided with a pressure...
US20140041437 THERMAL DIAGNOSTIC FOR SINGLE-CRYSTAL PROCESS FLUID PRESSURE SENSOR  
A method of verifying a condition of a single-crystal pressure sensor is provided. The method includes providing a single-crystal pressure sensor that has at least one electrical characteristic...
US20100212396 DOWNHOLE SENSOR APPARATUS AND METHOD  
The present invention relates to a sensor assembly for downhole use in a wellbore. This invention also relates to a new pack-off assembly housing the sensor. The new pack-off assembly protects the...
US20140260518 System, Method, and Apparatus for Certifying a Brake Pressure Calibration for an End-of-Train Device  
A system, method, and apparatus for certifying an end-of-train device pressure calibration is provided. The system includes a pressure calibration device configured to output a regulated pressure;...
US20100071440 PRESSURE SENSOR WITH INTEGRATED TEST DEVICE AND METHOD FOR TESTING SUCH A SENSOR  
The invention relates to a pressure sensor comprising a housing, a membrane and at least one measuring element for measuring a pressure acting upon the membrane from outside the housing. The...
US20140373596 LIQUID TRANSFER SYSTEMS AND METHODS OF CALIBRATION THEREOF  
Disclosed are methods adapted to calibrate a liquid transfer system. The methods include providing a probe having a fluidly-coupled pressure sensor, the pressure sensor adapted to sense an...
US20060096348 Method for measuring recirculation in catheters  
A system and method for measuring recirculation of blood in a catheter designed for implantation in a human is described. In one variation, the system comprises an artificial circulatory system...

Matches 1 - 50 out of 84 1 2 >