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WO/2005/103728A2 |
A flow measurement calibration system and method is presented that actively regulates the pressure of the fluid being tested. A piston is slidably mounted to an inner wall of a chamber, which has a fluid inlet port for receiving an inflo...
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WO/2005/101031A1 |
The invention relates to a method for the offset compensation of a sensor signal, especially an acceleration sensor. Preferably, said acceleration sensor records movements in the direction of travel of a motor vehicle (longitudinal accel...
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WO/2005/098456A1 |
A method for enhancing the accuracy of a sensor is provided. The method includes determining a measure of the output of the sensor, determining whether the measure falls outside of an acceptable range for the output of the sensor, and, w...
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WO/2005/095998A1 |
Lateral sensitivity in a sensitivity matrix of an acceleration sensor is obtained by a single-axis vibration table. A cubic block (6) on which an acceleration sensor (5) is installed such that the direction of X-axis, defined on a table ...
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WO/2005/077029A2 |
The present invention is directed to an apparatus and method for a measurement system for the testing of transducers, and more particularly to the testing of piezoelectric traducers. The measurement system includes a transducer, a feedba...
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WO/2005/078389A1 |
An angular velocity sensor in which without providing any means separately from a driving section and a detecting section on a vibrator, failure diagnosis of the detecting section with high accuracy can be made even through the sensor ha...
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WO/2005/071370A1 |
A novel medium, method and system for proving a turbine meter for use with natural gas. The novel test medium is a gas having the following characteristics: (a) Density > 2xDensity of Natural Gas; (b) Dynamic Viscosity < Dynamic Viscosit...
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WO/2005/068937A1 |
An angular velocity sensor capable of abnormality diagnosing without providing, on a tuning fork vibrator, an abnormality diagnosing signal input electrode or a reference potential grounding electrode for reducing an error in angular vel...
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WO/2005/064350A1 |
To reduce a load on an anti-lock brake system for a vehicle, where the load is involved in control and processing in the system caused by a failure diagnosis of a sensor that is mounted on a vehicle and whose output varies depending on a...
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WO/2005/056360A1 |
The invention relates to the monitoring of a measuring device (1) located in a wheeled vehicle. Said measuring device (1) is configured so as to measure three linear accelerations (in unit 3) of the wheeled vehicle, which extend perpendi...
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WO/2005/055487A2 |
Hashing and pattern matching are used in an information processing system to process incoming messages from a network such as an Ethernet-based network (fig. 2, 180, 210, 220, 230). Using hashing and pattern matching increases the effici...
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WO/2005/043175A1 |
A high-g shock-producing device for testing a sample specimen (22) is described which includes a beam (12) and a shock column (50, 70, 90). The beam is of predetermined length and has at least one end substantially rigidly fixed with the...
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WO/2005/040985A2 |
A method for obtaining at least one calibration filter for a Mass Spectrometry (MS) instrument system. Measured isotope peak cluster data in a mass spectral range is obtained for a given calibration standard. Relative isotope abundances ...
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WO/2005/033648A1 |
A pressure sensor (60) of a process device (52), 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 pr...
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WO/2005/030544A2 |
The invention relates to a method for determining a movement quantity (s, v) in a vehicle consisting in determining a movement quantity for a wheel ($g(a)) representing the rotational motion of a vehicle wheel (4). Said movement quantity...
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WO/2005/015244A1 |
A method is disclosed for obtaining a signal representing motor vehicle acceleration. The method involves obtaining a high pass filtered vehicle acceleration signal and a low pass filtered vehicle acceleration signal. One of these signal...
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WO/2005/015060A1 |
There is disclosed a continuously variable ratio transmission assembly ('variator') comprising a roller which transmits drive between a pair of races, the roller being movable in accordance with changes in variator ratio, a hydraulic act...
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WO/2005/012924A1 |
The invention relates to an impact sensor and a method for testing the same. Said impact sensor comprises a sensor element and a filter for filtering the signals of the sensor element. Said filter is preferably a low-pass filter. The fil...
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WO/2004/113929A1 |
The invention relates to an in-situ control system, a characterisation device and a method for control of a moving angle of attack probe, for example, mounted on the skin of an aircraft. The probe comprises a moving vane (15), rotating a...
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WO/2004/097433A1 |
A dynamic matrix sensitivity measuring instrument for dynamic sensors, comprising a vibration block causing translation or rotary motion, an accelerometer, angular velocity meter or angular accelerometer, an output means for extracting o...
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WO/2004/065970A1 |
The invention relates to a method and device for calibrating the speedometer of a vehicle. The inventive device involves the use of a simulator consisting of a roller test bench comprising at least one roller which is driven by a wheel (...
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WO/2004/051286A2 |
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WO/2004/040320A1 |
The invention relates to a method for determining the angle of rotation and the rotational speed of a motor (1), particularly of a drive motor with closing force limitation for sliding roofs or window lifters, and to a device for carryin...
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WO2004027435A9 |
The present disclosure is directed to an apparatus and method for producing and comparing signals from various points in a MEMS device. By producing signals which should be of substantial identical characteristics, deviations from the si...
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WO/2004/034067A1 |
The invention relates to a method for operating a sensor, in particular a wheel speed sensor which transmits the output signals thereof to an electronic estimating device. The aim of said invention is to produce a sensor which is constru...
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WO/2004/031779A1 |
A speed sensor for a marine vessel includes a correction circuit to correct any sensor non-linearities so that the sensor produces an output with a pulse stream having a constant pulse rate, and reduces the pulse-to-pulse variations of t...
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WO/2004/020945A1 |
An electronic apparatus that does not malfunction by temperature drift of an angular velocity sensor, and a signal compensation system and signal compensation method for compensating the temperature drift. The electronic apparatus has an...
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WO/2004/019050A1 |
Disclosed is a device for monitoring a sensor, characterized in that a self-test is possible up to the limits of the measuring range for a closed-loop control. This is made possible by using a sensor whose measuring range is greater than...
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WO2002042133A9 |
The invention relates to an active magnetic sensor, in particular for detecting the rotational behaviour of a wheel. Said sensor comprises a magnetoelectric transducer (2), which is electrically connected to a modulator (5), a current-so...
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WO/2004/005938A1 |
The invention relates to a device (1) which comprises two parallel partial devices (5, 7) that are provided with three signal inputs (51, 71) each for achieving a redundant two-out-of-three rotational speed detection. Every partial devic...
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WO/2003/087849A1 |
Two concentric missiles (8, 10) from dual launching tubes (4, 5) are allowed to impinge to one end surface (2) of a metal rod (1) independently and simultaneously or at a specified time interval to generate elastic wave pulses. Dynamic a...
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WO/2003/087848A1 |
With an acceleration sensor (22), to be calibration-evaluated, fixed to the end surface (22) of a metal rod (1), a plurality of missiles (3) are allowed to impinge to the other end surface (2) of the metal bar at a specified time interva...
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WO/2003/087850A1 |
A metal bar (1) supported by a metal bar guide (30) so as to be tiltable at a proper angle is momentarily freed to be kept in a free fall condition, a missile (3) kept at the same angle as that of the metal bar is allowed to impinge to o...
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WO/2003/071249A1 |
The present invention provides a method and a device for simulating RPM (Revolutions Per Minute) information in systems comprising a controlling&sol regulating means and a revolving unit such as marine motor with a Bridge Manoeuvre Syste...
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WO/2003/064965A1 |
A compensation circuit for compensating for switching point errors in rotating target (58) or gear tooth sensors (56). The compensation circuit may include a processing unit (70) and a persistent storage device (72). The actual and compe...
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WO/2003/065054A1 |
A method for determining compensation coefficients for accelerometers which exhibit bias transients is described. The method comprises estimating bias accumulation from measured accelerometer outputs, determining a corrected acceleromete...
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WO/2003/059696A1 |
Disclosed is a method for evaluating the mounting location (p2) of an acceleration sensor component (2) in a vehicle (3) in terms of the transmission characteristics of acceleration impulses acting on the vehicle (3) to said mounting loc...
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WO/2003/054556A1 |
An angular velocity sensor for a rotor (2) and method of determining angular velocity in which the position at which event generation means (4) pass sensing means (5) is determined using information from the times at which the event gene...
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WO/2003/040656A1 |
A system for testing inertial measurement devices (10) on a multi-axis rate table (14) without having to utilize slip rings to transfer signals between the inertial measurement devices and remote processors by incorporating a processor (...
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WO/2003/034005A2 |
The resonant frequency of a device is determined by energizing the device with a short burst of energy to produce a decaying sinusoidal output, determining coefficients of a linear difference equation characterizing the decaying sinusoid...
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WO/2003/031317A2 |
The invention relates to a micromechanical sensor comprising: a substrate (1) with a structured layer (3) located thereon; a seismic mass (5) that can be displaced in relation to the structured layer (3) by a spring force; at least one m...
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WO/2003/021219A1 |
A drop detection device (100, 200) is provided having a spherical inertia member (120) disposed in an enclosure (110, 112, 210, 212). The enclosure has a plurality of faces (116), each face having a pressure contact member (118, 218). Th...
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WO/2003/016921A2 |
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WO/2003/014667A1 |
The invention relates to a method for trimming sensors with oscillating structures according to which a sensor element (14) that has an oscillatory structure for detecting a measured quantity is machined using a laser beam (17a) in order...
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WO/2002/093180A1 |
An apparatus and method for suspending and strain isolating a structure is provided, the apparatus having a first elongated flexure having first and second ends structured for connection to a support structure, and a second elongated fle...
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WO/2002/086434A2 |
In order to counteract a corruption of measured values due to aging, the invention provides a device and a method for calibrating a sensor, particularly a force sensor and, in particular, a belt force sensor (5), that enable the sensor t...
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WO/2002/066930A1 |
An angular velocity sensor, comprising two vibrators, wherein a grinding part of 2$g(m)m or less in surface roughness is formed on at least one ridge line of the two vibrators, whereby the weight balance of the two vibrators can be kept ...
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WO/2002/059627A1 |
A system and method for calibrating an accelerometer assembly is disclosed. In a preferred embodiment, the system includes a controllable motor that rotates an accelerometer assembly around a first axis of rotation (A1), a rotary stage f...
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WO/2002/052282A1 |
The invention relates to a method for monitoring wheel speeds, comprising the following steps: determination of wheel speeds (S01); determination of the wheel having the maximum wheel speed (S02); determination of the wheel having the mi...
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WO/2002/039065A1 |
To correct a systematic error of the indicator, the corrector or adapter-corrector is interposed in the speedometer or odometer chain so that the corrector receives a signal (U) proportional to the rotational speed of a gearbox output sh...
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