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WO/2013/157264A1 |
The inertial force sensor according to the present invention is provided with: fixed parts; beam parts that are connected to the fixed parts; spindle parts that are connected to the other ends of the beam parts and are displaced by an in...
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WO/2013/151692A2 |
A method includes receiving an input size of a wheel of a vehicle, determining a derived speed of the vehicle that is based on the input size of the wheel, determining a reference speed of the vehicle as the vehicle moves, comparing the ...
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WO/2013/144157A1 |
The invention relates to a method for determining a credibility state of measurements from an incidence sensor of an aircraft, including at least one test (90, 100) of the consistency between the incidence measurements from said sensor a...
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WO/2013/146428A1 |
This speed detection device that detects train speed on the basis of output signals from a tacho-generator (1a) determines whether or not a tacho-generator (1a) malfunction has occurred, on the basis of the results of a comparison betwee...
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WO/2013/139533A1 |
In an acceleration sensor (1) having two redundantly arranged micromechanical sensor elements (2, 3) with redundant signal paths each having an A/D converter (4, 5), the invention proposes, in order to check the plausibility of the outpu...
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WO/2013/124144A1 |
The invention relates to a method for calibrating an acceleration sensor, wherein measurements are generated depending on acceleration forces acting on the acceleration sensor in a first step, wherein the measurements are analysed in a s...
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WO/2013/113891A1 |
A method and an apparatus for determining a phase (θ) and a frequency (ω) of an electric quantity being associated with an operation of an electrical device are described. The method comprises extracting a fundamental component (Vα1, ...
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WO/2013/111454A1 |
The purpose of the invention is to provide a sensor signal output device wherein the reception-side device is able to receive accurate sensor signals by outputting the sensor signals when the sensors are operating normally and by not out...
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WO/2013/093328A1 |
A method for calibrating a sensor (1) for measuring data representative of the speed of a fluid stream connectable to means (2) for acquiring the measurement signal of said sensor (1), said method comprising a step of inserting said meas...
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WO/2013/091741A1 |
The invention relates to a method and to a device for determining the installation position of a sensor module (30) in a vehicle, namely for determining whether the sensor module (30) is fitted with the longitudinal axis (36) thereof ori...
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WO/2013/082127A1 |
The disclosure relates to mitigating the effect of a sudden change in sensor calibration parameters. An embodiment of the disclosure retrieves a current calibration parameter value for the sensor, determines a new calibration parameter v...
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WO/2013/068873A1 |
Sensors in one or more remote devices provide sensor output to a device having a controller. The controller analyzes the sensor data to determine the accuracy of the sensors outputting the sensor data. Based on the analysis, the controll...
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WO/2013/064319A1 |
The invention relates to an electronic circuit comprising a first chip and a second chip that are connected to each other by means of a first bonding wire. The first bonding wire is provided to transmit a useful signal. The first chip an...
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WO/2013/063995A1 |
A throttle calibrating method comprising: a step of receiving the speed of revolution: receiving the actual speed of revolution of an engine (6); a calculation step: calculating the average value M of the actual speed of revolution recei...
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WO/2013/064295A1 |
The invention relates to a method for detecting a measurement error during the determination of the speed of a vehicle (10) and/or the determination of a distance travelled by the vehicle (10), said method allowing measurement errors to ...
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WO/2013/056427A1 |
A check device, system and method for dynamic properties of a speed or acceleration sensor. The method includes: simultaneously performing signal collection on a displacement sensor (5) and a speed or acceleration sensor (4) moving synch...
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WO/2013/055253A1 |
The invention relates to gyroscopic instruments. The method for calibrating the scale factor of a hydraulic angular velocity sensor or an axisymmetric vibratory gyroscope, which method uses a control amplitude signal, a control precessio...
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WO/2013/046955A1 |
The present invention has a signal-processing LSI in which is installed a temperature sensor for measuring the sensor temperature, and a MEMS sensor chip installed on the signal-processing LSI; the MEMS sensor chip being installed on the...
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WO/2013/049579A1 |
A photonic integrated circuit and related method are presented. A photonic integrated circuit comprises a source of radiation, one or more optical amplifiers, a transceiver, and optical waveguides. The optical waveguides couple light bet...
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WO/2013/044632A1 |
The precise inclining platform device for performing static calibration of a seismometer includes a base part (11), a table board (12), a rotation mechanism (1), a drive mechanism (6), a detecting mechanism and a supporting frame (5). Th...
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WO/2013/040508A1 |
A system and method are disclosed for automatically calibrating capacitive transducers to neutralize feed-through capacitance using linear actuation. The method includes starting with an initial neutralization capacitance, applying no el...
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WO/2013/033756A1 |
Inertial sensors are typically mounted at an angular offset relative to a chassis, such as a vehicle chassis or electronic device chassis. This offset can influence the measurements of the angular orientation of said chassis derived from...
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WO/2013/033755A1 |
There is provided a method and system of recalibrating a sensor, preferably by determining a sensor bias for an Inertial Measurement Unit (IMU) in a vehicle. The sensor bias is determined by taking a measurement from the IMU at a first o...
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WO/2013/033754A1 |
There is provided a method and system of recalibrating a sensor, preferably by determining a sensor bias for an Inertial Measurement Unit (IMU) in a vehicle. The sensor bias is determined by taking measurements at three different attitud...
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WO/2013/033753A1 |
There is provided a method and system of recalibrating a sensor, preferably by determining a sensor bias for an Inertial Measurement Unit (IMU) in a vehicle. The sensor bias is determined by automatically taking measurements when the veh...
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WO/2013/016378A1 |
Methods and apparatus for accelerometer autocalibration in a mobile device are provided. In an example, a signal is received from the accelerometer. A substantially constant state of the signal, such as that caused by a freefall of the a...
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WO/2013/001656A1 |
A wind correction device (100) corrects the wind speed and the wind pressure. A wind detecting unit (101) is disposed on a moving body and detects the wind speed and wind pressure relative to the moving body. The wind detecting unit (101...
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WO/2012/153105A1 |
A method and system for calibrating a rotational accelerometer. The method includes attaching a rotational accelerometer (118A) to be tested to a plate (104) fitted with first (112A) and second (112B) linear accelerometers and vibrating ...
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WO/2012/140763A1 |
The present invention relates to a device and method for determining abnormality of a front/rear acceleration sensor used to detect the front/rear acceleration of a vehicle for vehicle driving control. According to the present invention,...
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WO/2012/112597A2 |
A system and method for measuring wind velocities are provided. A laser wind velocimeter with a radiation source includes a fiber laser. All optical signals, transmitted and received, are conveyed by optical fibers. An amplifier amplifie...
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WO/2012/108817A1 |
The invention relates to a method for calibration of an acceleration sensor (220) in order to determine acceleration indications of a motor vehicle(100, 10), comprising the step of determining a characteristic constant(α0) for said acce...
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WO/2012/084697A1 |
The invention relates to a method for calibrating a set of accelerometers integrated within respective microchips, said accelerometers being connected to microcontrollers of said respective microchips, said accelerometers measuring accel...
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WO/2012/072438A1 |
The invention relates to a method wherein the speed of the rotor of an electronically commutated synchronous machine is determined and/or controlled by means of one or more rotor position sensors, in particular three rotor position senso...
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WO/2012/069031A1 |
The invention relates to an arrangement (10) and to a method for determining interference fringe distances (d) in order to calibrate laser Doppler velocimeters for optical velocity measurements, wherein the laser Doppler velocimeter comp...
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WO/2012/064776A2 |
Embodiments of the present disclosure are directed to a method and apparatus for calibration of gyro sensors by using magnetic sensor measurements and background computation during normal product operation. In one embodiment, magnetic se...
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WO/2012/059863A1 |
The invention relates to a velocity determination apparatus (1) for determining a velocity of an object(2). A Doppler frequency measuring unit is adapted to measure Doppler frequencies in at least three different frequency directions, wh...
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WO/2012/056980A1 |
The purpose of the present invention is to provide a physical quantity detection device, whereby a communication load for transmitting sensor detection results is reduced, and a processing load of a receiving device that receives the sen...
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WO/2012/046497A1 |
An acceleration detection device (12) is provided with: a zero point correcting unit (21) for correcting the zero-point position of a sensor signal (Gsen) value by using the correction amount (absolute value of a correction value (Gd)) b...
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WO/2012/046498A1 |
An acceleration detection device provided with: a vibration component removal unit (20) for removing the vehicle body vibration component contained in a G sensor signal (Gsen-f) that passed through a filter (13) when transitioning from a...
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WO/2012/042252A1 |
A sensor arrangement and method for an inductively rotational sensor consisting of a remote clone coil connected to a processor. The clone coil is located between a proximity sensor including a sensor and a rotating target so that when i...
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WO/2012/039237A1 |
The present invention is applied to a mobile terminal having two casings connected to each other such that the two casings can be closed to and opened from each other. A mobile terminal according to the invention comprises: two display u...
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WO/2012/034183A1 |
A test module for a twin pitot tube airflow meter including a differential pressure sensor, the module including a controller coupled to a series of solenoid valves to control the differential pressure signal from the pitot tubes to the ...
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WO/2012/020739A1 |
In order to provide an inertial sensor capable of suppressing a wrong diagnosis even in an adverse environment such that sudden noise occurs, an inertial sensor is provided with a movable part (105), a first detection unit (C1, C2) for d...
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WO/2012/020165A1 |
The invention relates to a toothbrushing monitoring device (18). In order to obtain an efficient monitoring device, the monitoring device comprises: an input device (21), an acceleration sensor, a signal conditioner, a memory, a comparat...
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WO/2012/010809A1 |
The method of harmonization according to the invention comprises; - a step of obtaining (E20,E60), on the basis of inertial information measured (E10,E50) by a measurement device aboard the angular positioner, during at least one predete...
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WO/2011/155530A1 |
In the disclosed table device for inspecting angular velocity sensors: a rotary plate (20) is arranged on the output shaft of a motor (10) for providing angular velocities; angular velocity sensors (2) are arranged on the rotary plate (2...
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WO/2011/152947A1 |
A motion sensor has a state processor to identify states associated with a magnetic field signal provided by a magnetic field sensing element. The state processor includes a state peak logic module configured to generate states that have...
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WO/2011/152946A1 |
A motion sensor has a channel amplitude difference processor configured to adjust gains of two channels to bring a gain of a one channel toward a gain of the other channel when a gain mismatch is detected.
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WO/2011/152945A1 |
A motion sensor has an output protocol processor configured to provide a validated output signal after a determined time period, wherein the determined time period is extended if a vibration is detected.
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WO/2011/152453A1 |
Provided is a yaw rate detection device comprising: a vehicular yaw rate detection means for detecting the yaw rate of a vehicle and outputting a detection value; a left/right wheel speed detection means for detecting the wheel speed of ...
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