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Class 702/98 - Pressure


Subclass of Class 702 - Data processing: measuring, calibrating, or testing
Definition: Subject matter comprising means to calibrate or correct
No. of patents: 153
Last issue date: 07/12/2011


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NumberTitleIssue Date
7979229Displacement control signal correction method, displacement control device, construction machine and displacement control signal correction program
The present invention includes: a displacement altering unit for generating a displacement control pressure corresponding to a displacement control signal; an input unit for inputting a target displacement; a pressure calculating unit for calculating a displacement ...
07/12/2011
7912663Method 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 representing the rotational speeds of several vehicle wheels. A pressure loss ...
03/22/2011
7869971Safety valve testing
A method of measuring the condition of a safety valve includes measuring a condition parameter that varies with the sealing force of the valve. The condition parameter may be determined from in-line measurements, such as measurements of a pressure pso at which the v...
01/11/2011
7801693Fluid pressure measurement
A method and apparatus for improving accuracy of measurement of fluid pressure at a fluid port, such as at a supply port or control port of a fluid control valve, involves a closed-loop precision pressure measurement method with barometric pressure and temperature c...
09/21/2010
7788056Method of auto-calibrating aircraft cabin pressure sensors
A method of auto-calibrating aircraft cabin pressure sensors in a cabin pressure control system while in service, wherein at a constant sensed cabin pressure during a cruise flight phase at least one pressure sensor output voltage from each of two cabin pressure sen...
08/31/2010
7752002Methods and apparatus for non-invasive implantable pressure sensor calibration
An economical, repeatable, and non-invasive method and apparatus for the calibration of implantable pressure sensors that can minimize patient discomfort and risk of infection. In one embodiment, a calibration system for calibrating a first pressure sensor coupled t...
07/06/2010
7502704Method for monitoring the pressure of motor vehicle tires
A method for monitoring the pressure of motor vehicle tires is provided. In the method, a tire pressure value of the tire filling pressure and a tire temperature value are determined. While taking into account the tire temperature value, the determined tire pressure...
03/10/2009
7429948Device and method for calibrating and improving the accuracy of barometric altimeters with GPS-derived altitudes
In a combined GPS/altimeter device, the calibration and hence the accuracy of barometric altimeter measurements are enhanced with the aid of derived altitudes from a GPS. The device determines the need for calibration and perform the subsequent computations necessar...
09/30/2008
7383150Diving computer with programmable display
A diving computer is provided. The diving computer includes a computer connected to a dot matrix screen to display information concerning a dive. The computer has an interface to an external personal computer for reprogrammably configuring the information displayed ...
06/03/2008
7379828Method and apparatus for determining a quality metric of a measurement of a fluid parameter
An apparatus for measuring a parameter of a fluid passing through a pipe includes a spatial array of at least two sensors disposed at different axial locations along the pipe. Each of the sensors provides a signal indicative of unsteady pressure within the pipe at a...
05/27/2008
7361147Noninvasive blood pressure monitoring system
The preferred embodiment of the present invention comprises a single microprocessor-based interface that connects between a noninvasive blood pressure (NIBP) sensor and an invasive blood pressure (IBP) monitor or module. The interface effectively emulates an IBP tra...
04/22/2008
7363189Method and device for detecting decompression of tires, and program for judging decompression of tires
A detection method of reducing the air pressure of tires based on the rotational speed of wheels mounted on a vehicle. The method includes steps of: determining the rotational speed of each wheel, memorizing the rotational speed of each wheel, determining the loadin...
04/22/2008
7349814Measurement method and arrangement
The invention relates to a method and an arrangement for measuring a liquid flow in connection with a pump system. The invention is preferably implemented in a pump system where the pump (240) is driven by an alternating-current motor (230), whose rota...
03/25/2008
7349819Method for providing robustness to the solution of the cubic equation of state
The cubic equations of state (CEOS) relate pressure, temperature and molar volume of a mixture. The deviation of the physical properties of a mixture from ideality is expressed by the compressibility factor. The compressibility factor is calculated from the CEOS. Th...
03/25/2008
7340369Detection device for decreased tire pressures and method thereof
A device, and an analogous method and program, for detecting whether different tires are mounted on the left and right driving wheels of a vehicle and accurately detecting decreased tire pressures. The device detects the rotational speeds of wheels mounted on the ve...
03/04/2008
7305318Process and system for detecting decrease in tire air-pressure and tire deflation judging program
A judgment whether a decrease in tire air-pressure occurs or not is performed by a process comprising the steps of: detecting information on wheel rotational velocities of tires; obtaining a judgment value for decrease in tire air-pressure based on relative comparis...
12/04/2007
7295201Method and system for generating automated exploded views
A method for generating an automated exploded view of an assembly of parts is presented. The method includes determining at least one sequence of viable directions of motion of at least one moving part in the assembly of parts. Computer-readable medium and systems t...
11/13/2007
7268294Adaptor; controller and plug receptacle for electronic device
In a system which includes adaptors a controller and plug receptacles connected to electronic devices, an adaptor that can store identification information about electronic devices is connected to an electronic device, and the plug receptacle side to which the elect...
09/11/2007
7263459System for acquiring data from facilities and method
A field instrument and system for obtaining pressure, flow and temperature data from a facility. The field instrument includes an enclosure having an opening therein. An integrated analog sensor is sealingly contained within the opening. The field instrument further...
08/28/2007
7263418Method and device for visualizing a vehicle repairing
A method is provided for providing image data for visualizing a defective part and/or a repair process and/or a maintenance service of a road-bound vehicle, in particular a car or motorcycle. The aim is to reduce the translation costs for repair manuals. The method ...
08/28/2007
7259663Wheel state adjustment system and method thereof
A pressure detection sensor for detecting a tire internal air pressure and a wheel side communication device for transmitting a detection result of the pressure detection sensor using a preset transmission mode are provided on each wheel. The detection result from t...
08/21/2007
7243537Methods for measuring a formation supercharge pressure
A method of determining the supercharge pressure in a formation intersected by a borehole having a wall, the method comprising disposing a formation pressure test tool into the borehole having a probe for isolating a portion of the borehole. The method further compr...
07/17/2007
7240542Tire pressure estimation
A method, computer program product and apparatus for estimating the pneumatic pressure of a tire on a vehicle, comprising the steps of: receiving as an input a vehicle status sensor signal; estimating first parameter values of an adaptive filter based on a predeterm...
07/10/2007
7236902Device for impact sensing
A device for impact sensing is described which detects an impact by a pressure, a normalized signal being supplied to a processor for analyzing the pressure signal. This normalization may occur either in the pressure sensor, by the sensor element itself or by a sign...
06/26/2007
7231305Flow rate determination
A method for determining the bubble point pressure and the true flow rate of a fluid in a flow line of a flowing well is provided, wherein the method includes modifying fluid pressure in a predetermined region of the flow line, generating pressure data responsive to...
06/12/2007
7216533Methods for using a formation tester
A method of testing a downhole formation using a formation tester on a drill string. The formation tester is disposed downhole on a drill string and a formation test is performed by forming a seal between a formation probe assembly and the formation. A drawdown pist...
05/15/2007
7216048Calibrated pressure sensor
A control system coupled to a pressure sensor calibrates the pressure sensor. The control system may measure a plurality of capacitance values at a plurality of corresponding applied voltages to compare the values with a first calibration mechanism generated by samp...
05/08/2007
7209810Locomotive location system and method
A locomotive location system and method utilizes inertial measurement inputs, including orthogonal acceleration inputs and turn rate information, in combination with wheel-mounted tachometer information and GPS/DGPS position fixes to provide processed outputs indica...
04/24/2007
7206674Information display system for atypical flight phase
Method and system for displaying information on one or more aircraft flights, where at least one flight is determined to have at least one atypical flight phase according to specified criteria. A flight parameter trace for an atypical phase is displayed and compared...
04/17/2007
7197422System and method for determining proper tire inflation pressure based on current vehicle mass conditions
A tire pressure monitoring system as described herein leverages a real-time onboard vehicle mass estimate to determine whether tire pressure is appropriate for the current loading conditions. The system is suitable for use with vehicles having two or more placard ti...
03/27/2007
7197439Method for modeling semiconductor device process
A method for using a computer to calculate a pileup state of an impurity in an interface between an Si layer in which a source and a drain are formed, and an SiO2 layer brought in contact with the Si layer at a high speed, wherein data is first set assumi...
03/27/2007
7194375Pressure sensor
A pressure sensor 11 is provided with a connecter housing 30 having a pressure sensing element 20 arranged on an end surface thereof, a sensor housing 40 constructed to have the connecter housing 30 inserted thereinto, a pressure c...
03/20/2007
7178385Method and apparatus for detecting leaks
The present invention relates to a sensor apparatus configured to detect the presence of a gas, such as a tracer gas and a leak detection apparatus configured to detect the present of a tracer gas and indicate the location of a leak. The sensor apparatus includes mu...
02/20/2007
7173549Semiconductor integrated circuit in which voltage down converter output can be observed as digital value and voltage down converter output voltage is adjustable
An output voltage of a VDC circuit is subjected to A/D conversion with an on-chip A/D converter. Accordingly, an output voltage VDCout of the VDC circuit can be observed as a digital value, which facilitates measurement. Reduction in the number of terminals leads to...
02/06/2007
7171315Method and apparatus for measuring a parameter of a fluid flowing within a pipe using sub-array processing
A parameter of a fluid passing through a pipe is measured using a spatial array of sensors disposed at different axial locations along the pipe. The spatial array includes at least two overlapping sub-arrays. Using the pressure signals, a signal processor determines...
01/30/2007
7161476Electronic tire management system
An electronic tire maintenance system is provided for measuring a parameter of a device at a first location. The system includes a sensor for measuring the device parameter and generating a data signal representing the measured parameter. The system also includes a ...
01/09/2007
7152003Method and apparatus for determining a quality metric of a measurement of a fluid parameter
An apparatus for measuring a parameter of a fluid passing through a pipe includes a spatial array of at least two sensors disposed at different axial locations along the pipe. Each of the sensors provides a signal indicative of unsteady pressure within the pipe at a...
12/19/2006
7150560Device and method for determining total temperature for aircraft
The invention relates to a device for determining total temperature for aircraft. This device is particularly useful in a probe, called a multifunction probe, for measuring several aerodynamic parameters such as, for example, the total pressure (Pt), the static pres...
12/19/2006
7149639Method of detecting nozzle clogging and analytical instrument
A method of detecting nozzle clogging by the use of threshold values that can be set easily is accomplished. Also, an analytical instrument equipped with a nozzle clogging detector using threshold values that can be set easily is accomplished. Threshold values corre...
12/12/2006
7142152Device and method for calibrating and improving the accuracy of barometric altimeters with GPS-derived altitudes
A portable, handheld electronic navigation device includes an altimeter and a GPS unit. An internal memory stores cartographic data, for displaying the cartographic data on a display of the navigation device. Accordingly, the device is capable of displaying cartogra...
11/28/2006
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