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WO/2011/111098A1 |
Disclosed is a vehicle-state detecting device which comprises acceleration sensors (1, 2, 3) each provided for an axis such that acceleration in directions along the three axes can be detected; and a computing unit (7) that calculates th...
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WO/2011/099133A1 |
An acceleration/deceleration detection system is provided with an acceleration/deceleration detector (10) which is disposed in an object to be measured and detects the acceleration/deceleration of the object to be measured, an accelerati...
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WO/2011/083511A1 |
Disclosed are a method of inspecting an angular velocity sensor and an apparatus for inspecting an angular velocity sensor capable of efficiently inspecting in a short time an angular velocity sensor that has at least two detection axes....
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WO/2011/066919A1 |
The invention relates to a method for detecting the failure of a frequency sensor (1), which has a polarization resistor and which is combined with a rotary member, comprising the steps of, when the rotary member is idle: feeding, into t...
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WO/2011/056875A1 |
A multi-dimensional sensor, a magnetometer or accelerometer, is calibrated based on the raw data provided by the sensor. Raw data is collected and may be used to generate ellipse or ellipsoid parameters, for a two-dimensional or three-di...
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WO/2011/055004A1 |
The invention relates to a monitoring method of a path of an animal, which method can be realized via a data transfer network, a monitoring arrangement used in the method, a server (31 ) and a computer program to be used in the monitorin...
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WO/2011/052128A1 |
Disclosed is an electronic device provided with a frequency-varying circuit, a filter, and an output voltage determination circuit. The frequency-varying circuit changes the sampling frequency of an A/D converter. The filter limits the f...
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WO/2011/050395A1 |
A method of calibrating inertial sensors of working equipment, such as a vehicle or survey equipment, includes determining whether the working equipment is in operation or not. Data is captured from inertial sensors and associated temper...
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WO/2011/038595A1 |
A calibrating positioning method and device thereof are used for calibrating parameters of a mechanical device. The method includes: obtaining a calibrating value of a parameter to be calibrated in a predetermined working mode, the calib...
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WO/2011/024576A1 |
Provided are highly accurate capacitance type physical quantity sensor and angular velocity sensor by adopting a configuration capable of suppressing noise derived from internal noise while maintaining resistance against exogenous noise....
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WO/2011/023270A1 |
The invention relates to a method for determining a flow, wherein flow velocities ΔV-LoS in the measuring direction (mr) are measured by means of sensors (2) at at least one measuring position, comprising the following steps: a) initial...
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WO/2011/009470A1 |
An apparatus for providing a modulated bitstream in dependence on a modulation content comprises a mapper configured to selectively provide a carrier bitstream portion or an inverted carrier bitstream portion in dependence on a binary va...
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WO/2011/003462A1 |
A vehicle accelerometer system comprises an accelerometer device (290); and a location determining device (250, 255, 492), wherein the location determining device (250, 255, 492) provides location data and the accelerometer device (290) ...
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WO/2011/003461A1 |
A vehicle accelerometer system comprises an accelerometer (290) for installation in a vehicle (500), a processor (210) for selection of accelerometer output data items for inclusion in an accelerometer output data set representative of m...
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WO/2011/001473A1 |
Disclosed is body velocity estimating device (10A) comprising an acceleration measuring unit (11), an acceleration separating unit (12), a filtering operation unit (13), an acceleration adding unit (14), an integrating operation unit (15...
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WO/2010/150416A1 |
The present invention discloses a speed and movement direction sensing device. The sensing device includes an incremental encoder, which generates three pulses shifted with 120 (electrical) degrees. A speed signal generation section rece...
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WO/2010/150596A1 |
The present invention discloses a speed and movement direction sensing device. The sensing device includes an incremental encoder, which generates three pulses shifted by about 120 (electrical) degrees. A speed signal generation section ...
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WO/2010/146818A1 |
Acceleration detection piezo-resistance elements (x1 to x4), (y1 to y4), and (z1 to z4) in the X-axis direction, Y-axis direction, and the Z-axis direction, respectively, of a three-dimensional acceleration sensor (10) are formed in the ...
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WO/2010/143615A1 |
An angular velocity detection system (1) (an example of a physical quantity detection device) is such that the detection electrodes thereof comprise a gyro sensor element (100) (an example of a physical quantity detection element) which ...
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WO/2010/140234A1 |
Provided is a sensor offset amount estimate device that can estimate a sensor offset amount with the good degree of precision. A sensor correction calculation unit (8) of a sensor offset amount estimate device (1) estimates each offset a...
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WO/2010/134411A1 |
Provided is an arrangement wherein installation angles of an acceleration sensor are calculated with high accuracy, thereby making high accuracy corrections of accelerations from the aforementioned acceleration sensor. A frequency analys...
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WO/2010/134152A1 |
Provided is a vehicle controller which can perform control appropriately even if an acceleration sensor is mounted on a movable portion of a vehicle. A vehicle controller comprises an acceleration sensor (6) fixed to a cabin (3) movable ...
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WO/2010/125492A1 |
The invention is related to a laser diode based multiple beam laser spot imaging system for characterization of vehicle dynamics. A laser diode based, preferably VCSEL based laser imaging system is utilized to characterize the vehicle dy...
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WO/2010/111229A1 |
A change in mass of a microbridge in a mass sensor can be sensed by applying a time-varying amplitude modulated electrostatic force to excite the microbridge into resonance at the frequency of amplitude modulation. An optical energy is t...
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WO/2010/099877A1 |
The invention relates to a method for self-calibrating an accelerometer mounted on a wheel of a vehicle while said vehicle is moving, such that the plane of maximum sensitivity thereof intersects the axis of rotation of the wheel. Accord...
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WO/2010/084448A1 |
The method is based on a determination of the orientation of the sensor to the surface moving with respect to the sensor and then acquiring data where the lateral velocity is small and the forward velocity is large. Then, the orientation...
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WO/2010/065272A2 |
A method to correct for a systematic error of a sensor having a plurality of accelerometers configured to measure gravitational acceleration, the method including: rotating the plurality of accelerometers about a first axis; obtaining a ...
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WO/2010/062176A1 |
A signal processing module (50) comprises a difference signal generating module (60) for generating at least one difference signal (Δ) from a first and a second acceleration measurement vector signal (S1, S2), the first and the second a...
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WO/2010/058594A1 |
The objective is to make it possible to estimate a highly reliable offset quickly or precisely according to the circumstances, and to further improve the reliability of the estimated offset even when a measurement data group has not been...
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WO/2010/055871A1 |
A rotating plate (230) is installed with the upper surface (231) thereof horizontal (S10), and a posture detecting device (1) is fixed on the surface (211) of a cubic jig (210) so that the X axis (first axis) is perpendicular to the surf...
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WO/2010/020405A1 |
The invention relates to a sensor having a measuring element that measures force, said element measuring direct forces or measurement variables which are converted into forces by means of a measurement variable converter in the sensor, w...
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WO/2010/021421A1 |
The present invention relates to a method and apparatus for determining phase sensitivity of an accelerometer based on an analysis of the harmonic components of the interference signal, which can estimate phase lags of an accelerometer t...
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WO/2009/151412A1 |
The proposed method can be used in control systems for detecting the fall of a person. The method monitors the state of solitary aged people, or invalids that live in isolated rooms or within remote areas without attendance. The method u...
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WO/2009/143838A1 |
The stimulation of waves in bars, in particular at high amplitudes, is used for the calibration of acceleration and force sensors. The invention relates to a method and a device for calibrating acceleration and force sensors by means of ...
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WO/2009/138947A1 |
The present invention provides a method and an apparatus for in situ test of transducers comprising sensing elements and associated conditioning preamplifiers. The invention makes it possible to evaluate the characteristics of the comple...
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WO/2009/137751A2 |
An accelerometer has an acceleration transducer producing uncorrected analog acceleration signals representing vertical, lateral, and longitudinal components of acceleration. An error correction system is connected to the acceleration tr...
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WO/2009/131122A1 |
A sensor drift amount estimating device includes a posture angle estimating means, a calculating means, and a drift amount estimating means. The posture angle estimating means calculates the derivative of the posture angle with respect t...
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WO/2009/129076A2 |
A system and method for calibrating a vehicle heading sensor, such as a yaw-rate sensor, when GPS signals are not available using a bias update model that employs a bias gain factor. In order for the bias update model to be accurate, the...
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WO/2009/122741A1 |
An acceleration sensor is provided with a drive circuit for outputting an alternating-current bias voltage with a variable bias voltage, a sensing element in which the capacitance value generated between a fixed electrode and a movable e...
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WO/2009/122739A1 |
A sensor device comprises a time point measurement unit which measures time point information and adds the time point information to an output relating to the generation of a fault detection signal which is outputted from a portion subje...
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WO/2009/123022A1 |
Provided are an acceleration sensor having a configuration in which the consumption of power to be consumed can be reduced and the sensor itself can be miniaturized without using any piezoelectric sensor or piezoelectric bimorph and a se...
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WO/2009/120753A1 |
Micromachined accelerometer and method in which a proof mass is suspended above a substrate for movement in response to acceleration, electrodes form capacitors which change in capacitance in response to movement of the proof mass, proce...
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WO/2009/101338A2 |
The method according to the invention implements a simulation of hybrid type making it possible to validate an inertial platform (3) of a craft on board a simulator (2) of angular movements, by comparing a trajectory of the craft calcula...
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WO/2009/070886A1 |
An apparatus as provided for measuring acceleration of a person's head or other object. The apparatus comprises a sensor for sensing acceleration and a controller for controlling recording of data resulting from the sensed acceleration d...
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WO/2009/071603A2 |
A method for calibrating a wheel speed detection system, comprising at least one wheel speed sensor and at least one electronic control unit, wherein the at least one wheel speed sensor output signal (S2) is analyzed in said electronic c...
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WO/2009/032204A1 |
Described herein is a method and apparatus for performing calibrations on robotic components. In one embodiment, a method for performing robotic calibrations includes moving the calibrating device across a target (e.g., a wafer chuck). N...
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WO/2009/031256A1 |
A sensor output compensator includes a sensor element for sensing a quantity of change in an object to be measured and outputting the quantity as a signal, an A/D conversion part for converting the signal output from the sensor element i...
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WO/2009/013424A2 |
The invention relates to a device for detecting the direction of rotation of a wheel, comprising a means (6) for determining the rotational speed of a wheel, said means having a rotating part (1) connected to the wheel (2) in a fixed man...
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WO/2009/000727A1 |
The invention relates to a method for length and/or velocity measurement, in particular for positioning tasks, in which an optical sensor carries out a length and/or velocity measurement on a measurement object in a contactless manner, w...
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WO/2008/153816A2 |
Methods, systems, and computer program products for using a reference meter to provide automated calibration for a fuel dispenser are disclosed. According to one method, first historical metering data associated with a fuel flow meter an...
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