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| Number | Title | Issue Date |
| 8175839 | Wireless interface for a plurality of transducers A wireless interface system can interface with any one of a plurality of transducers of different types, such as pressure sensors, temperature sensors, or current probes. In the system, transducers employ substantially identical connectors with a common connecting s... | 05/08/2012 |
| 7962307 | Integrated apparatus for measuring static pressure An apparatus for measuring a static pressure inside a component is provided. The apparatus includes a housing coupled to the component, the housing includes a moveable component disposed therein, the moveable component operably extendable into the component and retr... | 06/14/2011 |
| 7885783 | Remaining gas amount calculating device A remaining gas amount calculating device includes a hydrogen tank, an opening/closing valve arranged to deliver hydrogen gas from inside the hydrogen tank, a decompression valve arranged to decompress hydrogen gas delivered from the hydrogen tank, a pressure sensor... | 02/08/2011 |
| 7797124 | Dive computer with free dive mode and wireless data transmission A dive computer with a free dive mode and/or wireless data transmission capabilities. In one embodiment the invention relates to a diving apparatus including a dive computer having a free dive mode, where the dive computer is configured to calculate a nitrogen loadi... | 09/14/2010 |
| 7792657 | Pressure display apparatus A pressure display apparatus that includes a detected signal processor for processing a detected signal Si obtained from a pressure detector for detecting a pressure P, a pressure value display for displaying a detected pressure value Pd at least based on a processe... | 09/07/2010 |
| 7783448 | Sensor processing method A pressure sensor and method wherein a resonant pressure transducer has a frequency F which changed depending on the applied pressure P and the temperature T. A temperature sensor measures the temperature T. A memory includes stored therein data points corresponding... | 08/24/2010 |
| 7720628 | Digitally controlled sensor system Systems and methods for digitally controlling sensors. In one embodiment, a digital controller for a capacitance diaphragm gauge is embedded in a digital signal processor (DSP). The controller receives digitized input from a sensor AFE via a variable gain module, a ... | 05/18/2010 |
| 7668687 | Systems and methods for compensating pressure sensor errors A pressure sensor compensation system for a control system of an engine includes N engine-off pressure measuring modules. The N engine-off pressure measuring modules calculate differences between pressure values of a corresponding one of N pressure sensors and other... | 02/23/2010 |
| 7668688 | System, program product, and related methods for estimating and managing crude gravity in real-time Systems, program product, and methods to estimate and manage flowing fluid characteristics of a fluid stream flowing through a pipeline in real-time, are provided. A system can include a vertically oriented extent of a pipeline for transporting crude oil, a pair of ... | 02/23/2010 |
| 7613586 | Thermal vacuum gauge A system for determining a gas pressure or gauging a vacuum in a hermetically sealed enclosure. One or more heater structures and one or more temperature sensor structures situated on a substrate may be used in conjunction for measuring a thermal conductivity of a g... | 11/03/2009 |
| 7593828 | Method and apparatus for monitoring a variable geometry intake air compressor device A method for monitoring operation of a variable geometry turbocharger device includes monitoring exhaust gas pressure and vane position of the variable geometry turbocharger device. Exhaust pressure and vane position are estimated. Residual exhaust pressure and vane... | 09/22/2009 |
| 7577543 | Plugged impulse line detection A digital signal representative of a difference in pressure is received from a differential pressure transmitter. A noise signal is obtained by processing the signal through a band pass filter or otherwise to provide a filtered noise signal. Absolute values of the f... | 08/18/2009 |
| 7529637 | Method and apparatus to determine pressure in an unfired cylinder An article of manufacture and method are provided to determine pressure in an unfired cylinder of an internal combustion engine. The cylinder comprises a variable volume combustion chamber defined by a piston reciprocating within a cylinder between top-dead center a... | 05/05/2009 |
| 7474981 | Method and device for predicting risk of decompression sickness A mathematical model that models gas exchange of a central compartment with an environment having a model gas is provided. The central compartment is modeled to be in direct fluid communication with a plurality of peripheral compartments and with the environment to ... | 01/06/2009 |
| 7463995 | Systems and methods for detecting suction valve closure This invention relates generally to the application of an algorithm to calculate a line that intersects a dynamic pressure waveform at two points. These points represent the point immediately prior to the suction valve closure event and the point directly after the ... | 12/09/2008 |
| 7444245 | Field device for determining and/or monitoring a process variable Field device for determining and/or monitoring at least one process variable of a medium in a container. The field device includes: at least one mechanically oscillatable unit connected with the container via a process connection; and at least one driver/receiver un... | 10/28/2008 |
| 7444242 | Method and system for statistical pressure gradient and fluid contact analysis A method and system for statistical pressure gradient and fluid contact analysis. The method and system include planning for a pressure gradient test by using expected parameters and statistical expected error analysis to set the actual pressure gradient test parame... | 10/28/2008 |
| 7430492 | Device and method for controlling the state of an energy accumulator The invention concerns a device and method for checking the state of an accumulator with energy reserve that is connected to a fluid system. According to the invention, the fluid system is first of all pressurized and this fluid is maintained at an operating pressur... | 09/30/2008 |
| 7429948 | Device 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 |
| 7428466 | Self-correcting barometer and/or altimeter Altimeters correct themselves by analyzing pressure data to identify underlying climatic changes and modify sensed pressures accordingly to provide corrected altitude values. The detected underlying climatic changes are used to provide a barometer function independe... | 09/23/2008 |
| 7406387 | Apparatus and method for detecting blockage of impulse lines A detecting apparatus includes the following units. A pressure detecting unit detects in time series higher and lower static pressures and a differential pressure. Fluctuation calculating units calculate time series data sets of a differential pressure fluctuation, ... | 07/29/2008 |
| 7398176 | Battery testers with secondary functionality An electronic vehicle tester includes a battery tester configured to measure a parameter of a battery of a vehicle. A tire tester is configured to receive a parameter of a tire of the vehicle. A wireless receiver can be configured to receive pressure information fro... | 07/08/2008 |
| 7395177 | Method for monitoring tire pressure variation of automobile tire and system for realizing the same A method for monitoring tire pressure variation of automobile tires and a system of implementing thereof, which measures and obtains rotation speeds of individual automobile tires as reference values, and compares these reference values with the current rotation spe... | 07/01/2008 |
| 7388373 | Method of determining the permeability of an underground medium from NMR measurements of the permeability of rock fragments from the medium Method of determining the permeability of an underground medium from NMR logs of the permeability of rock fragments from the medium, based on prior calibration of the permeability resulting from this measurements, from direct measurement on rock fragments, such as c... | 06/17/2008 |
| 7383150 | Diving 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 |
| 7379839 | Multi-function air data probes employing neural networks for determining local air data parameters An air data sensing probe or MFP includes a barrel having multiple pressure sensing ports for sensing multiple pressures. Instrumentation coupled to the pressure sensing ports provides electrical signals related to the multiple pressures. A neural network, coupled t... | 05/27/2008 |
| 7379828 | Method 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 |
| 7363189 | Method 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 |
| 7347099 | Pressure transducer with external heater An improved pressure transducer is disclosed. The transducer includes a connector, an enclosure, a sensor portion, and an external heater disposed to heat the sensor portion. In some aspects, the sensor portion includes a sensor constructed from a brittle material a... | 03/25/2008 |
| 7349745 | Lead-lag input filter arrangement with adjustable initial conditions for electro-pneumatic control loops Systems and methods for urging a valve plug off a seat of a control valve and toward a set point in the absence of significant delay. Adjustable, user-selected input parameters to the input of a lead-lag filter in communication with the input of a control loop facil... | 03/25/2008 |
| 7331220 | Device and method for monitoring tyre pressures Disclosed is a tire pressure monitoring device for a motor vehicle. A tire pressure monitoring system with direct measurement includes a transmission device for transmitting tire pressure values determined by pressure sensors, and a tire pressure monitoring system w... | 02/19/2008 |
| 7331222 | Reliable remote tire pressure monitoring system with tire monitors operating in power saving mode A remote tire pressure monitoring system includes a tire monitor, a receiver, a transmitter, and a controller. The tire monitor is configured to operate in a power saving mode, in which it senses inflation pressure of a tire, determines a change in the inflation pre... | 02/19/2008 |
| 7329528 | Enzyme multimer and process of producing same An enzyme multimer is provided which comprises a plurality of monomer units including a first monomer unit having enzymatic activity and a second monomer unit having enzymatic activity, wherein each of the first monomer unit and the second monomer unit comprise a cy... | 02/12/2008 |
| 7330797 | Apparatus and method for measuring settlement of solids in a multiphase flow A method and apparatus for measuring a parameter of a flow passing through a pipe is provided, wherein the apparatus includes at least two spatial array of sensors disposed at different axial locations along the pipe, wherein each of the sensors provide a signal ind... | 02/12/2008 |
| 7328130 | Data acquisition system for system monitoring A method and monitoring system for tracking operational parameters of a drive train of a monitored system includes a sensor unit affixed to the drive train. The sensor unit includes a sensor for generating an analog signal in response to an operating condition of th... | 02/05/2008 |
| 7324007 | Instrumented rock bolt, data logger and user interface system A rock bolt includes a hollow body and a gap along a length of the hollow body. At least one strain gauge is affixed to an inner surface of the rock bolt and is accessible from the gap. The rock bolt may include a data logger within the hollow body and coupled to re... | 01/29/2008 |
| 7324919 | Apparatus for analysing the condition of a machine An apparatus for analysing the condition of a machine having a rotating shaft, includes: at least one input for receiving measurement data from a sensor for surveying a measuring point of the machine, the measurement data being dependent on rotation of the shaft; an... | 01/29/2008 |
| 7324102 | Method for generating unified three-dimensional models of complex infrastructure configurations Embodiments of the invention provide a method for creating a complete 3D model of complex infrastructure configurations, such as divided highways, roadway intersections, etc. Current CAD applications have been limited to creating 3D models based on the geometry of a... | 01/29/2008 |
| 7321840 | Apparatus for monitoring tire pressure A tire monitor and a tire pressure gauge for reading the data from the tire monitor are disclosed. The tire monitor includes an in-tire controller that stores a target inflation pressure representing the pressure to which the tire should be inflated when the tire is... | 01/22/2008 |
| 7313483 | Dive computer and method for determining gas formation The invention disclosed herein employs an algorithm, the Gas Formation Model (“GFM”), to calculate the formation of free gas in a human body. The GFM is based on a novel theory of the formation of free gas relative to the physiology of the human cardiovascular s... | 12/25/2007 |
