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| Number | Title | Issue Date |
| 7913536 | Compensation arrangement and method for operation thereof An arrangement and method for providing compensation to a cyclical input signal is disclosed. The arrangement comprises a first detection unit (20) for detecting a first event in a cyclical output signal; a compensation signal generation unit (14) for ... | 03/29/2011 |
| 7827845 | 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 indicator in a sterile container such that the indicator is visible to a ... | 11/09/2010 |
| 7730759 | Method and device for calibrating a humidity sensor and sensor arrangement having humidity sensor capable of calibration For calibrating a humidity sensor, the latter is used to measure the relative humidity (U1, U2) at each of two known gas pressure values (P1, P2), likewise to be measured if necessary. At the same time, other ambient conditions are kept c... | 06/08/2010 |
| 7707868 | Method for determining the operability of a pressure sensor A method for determining the operability of at least one pressure sensor of an internal combustion engine of a motor vehicle, in which the ambient pressure is first determined by the pressure sensor, and the ambient pressure determined by the pressure sensor is then... | 05/04/2010 |
| 7637141 | Self-calibrating barometer Methods and systems for adjusting a pressure value to account for an altitude-induced pressure effect. One method includes determining an average pressure value experienced at a first altitude, determining a ratio based on the average pressure value and a reference ... | 12/29/2009 |
| 7628054 | Calibration utility for non-linear measurement system A method and system for calibrating an analog sensor used in a digital measurement system is provided. The design comprises generating a precise pressure value set at multiple calibration points and supplying said precise pressure value set to an uncalibrated pressu... | 12/08/2009 |
| 7591165 | Control circuit for sensor array and related methods A control circuit for scanning a pressure or force responsive sensor array is disclosed. Pressure or force sensors formed of an array of pressure or force responsive sensor elements can be used to acquire pressure or force measurements in response to an applied load... | 09/22/2009 |
| 7331209 | Transducer acceleration compensation with frequency domain amplitude and/or phase compensation A method and system for correcting for the inertial error of a transducer as a function of frequency or effective mass coupling. ... | 02/19/2008 |
| 7318353 | Method and apparatus for a product displacement sensing device A displacement sensing device transduces deflection of a body disposed around a conduit into complementary signals indicative of the amount of displacement experienced by the conduit. The displacement sensing device includes a cuff and a sensor disposed on an outer ... | 01/15/2008 |
| 7281405 | Method and device for calibration sensors A method and device are disclosed for calibrating sensors, which sensors are arranged on semiconductor chips and are e.g. to be used for detecting a substance in a fluid. The sensors are calibrated while they are still assembled on a semiconductor wafer by exposing ... | 10/16/2007 |
| 7260470 | Method for calibration of the cylinder sensors suite on an internal combustion engine with individual cylinder operation in particular in a motor vehicle A method for calibrating at least two sensors for sensing a variable characterizing the combustion process in an internal combustion engine of a motor vehicle, operated in individual-cylinder fashion and having at least two cylinders, is provided. According to the p... | 08/21/2007 |
| 7222266 | Error-examining method for monitor circuit A monitor circuit has a first detection module for detecting an input signal and for generating a first examining signal according to the input signal, a second detection module electrically connected to the first detection module for generating an output signal acc... | 05/22/2007 |
| 7213441 | Method for adjusting sensor characteristics of humidity sensor An inspection device inspects a humidity sensor having a sensor portion and a circuit portion, which are integrated into one chip. The inspection device includes: an inspection chamber for accommodating a wafer, in which a plurality of humidity sensors are disposed ... | 05/08/2007 |
| 7177756 | Method, control appliance, and computer program for detecting defective pressure sensors in an internal combustion engine A method, a control unit, and a computer program for detecting a defective intake-manifold pressure sensor and/or a defective ambient-pressure sensor in an internal combustion engine having a variable valve timing are provided. The desired detection is carried out e... | 02/13/2007 |
| 7174773 | Leak-testing technique for differential pressure sensor array A leak-testing technique and apparatus for differential pressure sensor arrays is provided. A reference pressure sensor array is provided, wherein a seal is disposed between the reference pressure sensor array and a target differential pressure sensor array. A probe... | 02/13/2007 |
| 7167794 | Control apparatus for an internal combustion engine A control apparatus for an internal combustion engine can detect a tubing disconnection failure of an intake pressure sensor thereby to make it possible to give a warning to a user and to take appropriate measures to cope with such a failure situation. A control uni... | 01/23/2007 |
| 7158905 | Field replaceable sensor module and methods of use thereof A field replaceable sensor module having a housing, that is capable of being ready connected and disconnected to a multipurpose device The housing includes one or more input ports and one or more electtical interface connectors. One or more sensors are operatively c... | 01/02/2007 |
| 7148488 | Apparatus for measuring radiation and method of use A device for measuring radiation is disclosed. The device comprises optics and electronics at least partially enclosed in a housing portable by a single human being. In a preferred embodiment, the housing comprises a window to admit radiation of a desired wave lengt... | 12/12/2006 |
| 7134413 | Method for determining malfunction of pressure sensor A method for determining a malfunction of a pressure sensor determines that a stick malfunction occurs in the pressure sensor by an ECU calculating a difference between a maximum value and a minimum value of a voltage value output from the pressure sensor mounted in... | 11/14/2006 |
| 7124020 | System for calibrating apparatus for acquiring the pressure in a motor vehicle diesel engine cylinder The invention relates to a system for calibrating apparatus (28) for acquiring the pressure in a cylinder (10) of a motor vehicle diesel engine, of the type comprising a cylinder pressure sensor (30) associated with the cylinder and means (32... | 10/17/2006 |
| 7121265 | Method for operating a fuel supply system for an internal combustion engine in a motor vehicle A method for operating a fuel-supply system for an internal combustion engine of a motor vehicle is provided, the fuel-supply system having a fuel-storage tank, a fuel pump and a pressure sensor, the fuel pump supplying fuel from the fuel-storage tank to a pressure ... | 10/17/2006 |
| 7115320 | Polyester film and gas-barrier polyester film In order to provide a polyester film having superior impact resistance and flex pinhole resistance, and further exhibiting superior gas barrier properties after a metal or metal oxide is deposited on the film, with the inherent characteristics of polyester film main... | 10/03/2006 |
| 7116218 | Vehicle-tire-state detection/communication apparatus and tire-data communication apparatus A detection/communication apparatus to be installed on a vehicle having a plurality of tires. The apparatus includes: (a) tire state detectors which are provided on the respective tires and each of which detects a state of a corresponding one of the tires; (b) local... | 10/03/2006 |
| 7086272 | Calibration method for digital air pressure gauge The digital air pressure gauge includes an error correction lookup table database stored within a memory device within the gauge. The database includes reference air pressure values and associated measured air pressure values, where the reference air pressure values... | 08/08/2006 |
| 7054765 | Measuring transducer A measuring transducer having a sensor (2) transforming a measured parameter, recorded by the sensor, into an electrical sensor signal (3), a signal processing unit (6), adapted to convert the sensor signal into a measurement signal (7) a... | 05/30/2006 |
| 7017418 | System and method for sensing pressure A differential pressure sensor for use in an industrial application is described. The differential pressure sensor includes a membrane layer having a covered portion and an exposed portion where a first side of the exposed portion of the membrane layer is in fluid c... | 03/28/2006 |
| 7013735 | Pressure sensor A differential pressure sensor chip (4) comprises a diaphragm for measuring a differential pressure and converts a pressure received by the diaphragm for measuring the differential pressure into an electrical signal. A static pressure sensor chip (5) c... | 03/21/2006 |
| 7013712 | Method for testing containers, use of the method, and a testing device A method and device for testing containers, the method calling for a difference in pressure to be generated between the pressure inside the container and the pressure immediately surrounding the container, the behavior of one of these pressures permitting the gas ti... | 03/21/2006 |
| 7010954 | Method for calibrating a pressure sensor or a flow sensor at a rotary pump An intracardiac rotary pump (10) is provided with a pressure differential sensor (18) for supporting the pumping heart. The pressure differential sensor measures the pressure differential between aorta (AO) and left ventricle (LV). This pressure differ... | 03/14/2006 |
| 7003418 | Methods and systems for temperature compensation of physical property sensors Temperature compensation methods for physical property sensors are disclosed herein, based on a simple bridge circuit. An imbalance of the bridge circuit can be driven to a zero value, while a supply voltage thereof is simultaneously driven to a level required to br... | 02/21/2006 |
| 6935156 | Characterization of process pressure sensor A pressure sensor of a process device, is characterized by applying a plurality of pressures to the process sensor. Outputs of the plurality of pressures are received. A compensation relationship is determined based upon the pressure sensor output. The characterizat... | 08/30/2005 |
| 6935162 | Apparatus for detecting leakage in an evaporated fuel processing system An apparatus for determining leakage in an evaporated fuel processing system is provided. The evaporated fuel processing system extends from a fuel tank to a purge passage through which evaporated fuel from the fuel tank is purged to an intake manifold of an engine.... | 08/30/2005 |
| 6920400 | Method and apparatus for detecting a plugged port A method and apparatus for detecting and clearing a plugged sensor port in a system containing a fluid being monitored through the sensor port. The method comprises establishing a range beyond which a fluid variable is expected to vary within a predetermined time in... | 07/19/2005 |
| 6877357 | Method of checking the functional reliability of a pressure sensor A method of checking the functional reliability of a pressure sensor, the air pressure being detected inside a vehicle body part, the vehicle having at least one additional pressure sensor for detecting the air pressure. With the help of the method, it may be possib... | 04/12/2005 |
| 6823711 | Static and dynamic calibration of quartz pressure transducers A system and method for dynamically calibrating signals from a quartz pressure sensor to correct for temperature transients. A series of differences of time spaced temperature readings is stored in a tapped delay line and coupled to a transfer function. The transfer... | 11/30/2004 |
| 6766276 | Method and device for detecting a dysfunction of an ulatrasonic flowmeter A method for detecting malfunctions in a flowmeter includes the measuring of the receive signal VIN output by a transducer. A characteristic of the receive signal is compared to a predetermined reference characteristic VREF and the peak voltage... | 07/20/2004 |
| 6754611 | Failure diagnostic system for atmospheric pressure detecting device There is provided a failure diagnostic system for an atmospheric pressure detecting device, which is capable of rationally determining whether that device has failed or not and is capable of improving the diagnostic accuracy. The failure diagnostic system is compris... | 06/22/2004 |
| 6711934 | Chemical dispensing system A system for the operation of a number of commercial washing machines and automatically feeding liquid chemicals to the washing machines. The system has chemical reservoir pods with a pressure sensor and an output valve on each. The chemical pods are supplied with l... | 03/30/2004 |
| 6567731 | System and method incorporating feedforward for motor vehicle chassis control A control system for a plurality of motor vehicle chassis subsystems comprises a reference model, a state estimator, a feedforward controller, and a feedback controller. The reference model computes desired states of the chassis subsystems. The state esti... | 05/20/2003 |
| 6535830 | Scaled quadrature pulse signal generator A scaled quadrature pulse output signal is generated for representing direction and volume in predetermined increments of the flow of a liquid or a gas through a meter. An unscaled pulse signal is received from a meter. A scaling factor is applied to each... | 03/18/2003 |