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JP5453617B2 |
The stimulation of waves in bars, in particular at high amplitudes, is used for the calibration of acceleration and force sensors. A method and a device for calibrating acceleration and force sensors employing a Hopkinson bar for control...
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JP5445270B2 |
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JP5446491B2 |
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JP5441027B2 |
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JP5440521B2 |
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JP5439325B2 |
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JP2014038003A |
To provide a technology capable of increasing chances to derive an acceleration sensor offset correction value.A first acquisition unit 24 which acquires acceleration information about acceleration of a movable body from an acceleration ...
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JP5429133B2 |
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JP5425713B2 |
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JP2014504739A |
A method for calibration of an acceleration sensor (220) to determine acceleration indications of a motor vehicle (100, 110): Determine a characteristic constant (alpha0) for the acceleration sensor (220) at the time of refuelling the ve...
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JP5420127B2 |
An accelerometer (305) for measuring seismic data. The accelerometer (305) includes an integrated vent hole for use during a vacuum sealing process and a balanced metal pattern for reducing cap wafer bowing. The accelerometer (305) also ...
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JP2014021107A |
To provide an inertial sensing system in which the low update rate in a cold atom inertial sensor and the bias and scale factor drift in a micro-electrical-mechanical system (MEMS) inertial sensor are compensated by each other.An inertia...
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JP3188084U |
To provide a rotating device with a temperature control function, which increases the throughput of a quality determination test of a gyro / acceleration sensor and reduces the cost. A rotating disk 16 of a rotating device is equipped wi...
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JP5381235B2 |
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JP5369819B2 |
To appropriately perform self-diagnosis even if a detecting spring has high rigidity in a capacitive acceleration sensor having a self-diagnostic function performing self-diagnosis by applying a self-diagnostic signal so as to displace t...
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JP5368181B2 |
An angular velocity detection apparatus 1 (i.e., physical quantity detection apparatus) includes a gyro sensor element 100 (i.e., physical quantity detection element) that allows an angular velocity detection signal that corresponds to t...
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JP5373734B2 |
To provide a vehicle control device facilitating setting of a threshold value to be used for determining an abnormality of a yaw rate sensor and surely preventing an erroneous determination. A vehicle control device calculates a first de...
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JP5362373B2 |
To perform accurate survey of an object without requiring excessive labor for installation of each acceleration detection unit, in a physical survey system for surveying the object by using a plurality of acceleration detection units. In...
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JP5360362B2 |
An angular velocity detection circuit is connected to a resonator for making excited vibration on the basis of a drive signal and detects an angular velocity. The angular velocity detection circuit includes: a self-vibration component ex...
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JP5360361B2 |
An angular velocity detection circuit is connected to a resonator for making excited vibration on the basis of a drive signal and detects an angular velocity. The angular velocity detection circuit includes: a self-vibration component ex...
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JP5348408B2 |
To provide a physical quantity detector for performing reliable abnormality diagnosis/output, an abnormality diagnosis system of the physical quantity detector, and an abnormality diagnostic method of the physical quantity detector. An a...
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JP5320087B2 |
To provide a device and a system of detecting a physical quantity and a method of adjusting a 0-point voltage of the device capable of easily and externally setting an adjustment value of the 0-point voltage. The angular velocity detecti...
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JP5324524B2 |
To raise correcting accuracy when correcting a detection value of a yaw rate during moving. A yaw rate correcting device 10 includes: a steering angle sensor 13; a yaw rate sensor 11; a reference yaw rate computing part 21 which computes...
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JP2013213706A |
To provide a road gradient determination system capable of adequately performing a correction and accurately determining a road gradient even when a phenomenon of the drifting of the output value of an acceleration sensor due to change i...
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JP2013213744A |
To provide an attitude detecting device capable of improving accuracy of attitude estimation of a stick-like member by correcting a gravity direction when the stick-like member is operated at high speed.A CPU 11 stores acceleration speed...
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JP5316434B2 |
To provide an angular velocity sensor having stable output characteristics in which offset is not generated in an output signal after correction, even if the X-axis intercept of the output signal from a temperature sensor is changed. The...
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JP5304652B2 |
An acceleration sensor includes a driver circuit for outputting a biased alternating-current (AC) voltage having a variable bias voltage, a detector element having a capacitance provided between a fixed electrode and a movable electrode ...
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JP2013190377A |
To provide a state detection device that performs acceleration measurement and can estimate a moving speed while suppressing a calculation amount, and further to provide an electronic apparatus, a measurement system, a program or the lik...
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JP5299312B2 |
To provide an inertia force sensor device performing a comparative diagnosis for two inertia force sensors more accurately than conventional sensor devices. Each time a detection value of an offset-corrected first angular velocity sensor...
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JP5293814B2 |
Provided is a sensor offset amount estimate device capable of accurately estimating the offset amount of a sensor. In a sensor offset amount estimate device 1, a sensor correction calculation unit 8 estimates the offset amounts of a left...
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JP5288008B2 |
An acceleration/deceleration detecting system includes an acceleration/deceleration detector (10) configured to be disposed in a measurement object and detect acceleration/deceleration of the measurement object, an acceleration/decelerat...
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JP5278114B2 |
To provide a sensor device detecting each disconnection which may be generated in a sensing part or the like. When a power supply line 12 is disconnected, or both of piezo resistances Rs1, Rs2 are disconnected, an inequality: VsP, VsM
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JP2013171037A |
To provide a method for obtaining inertial measurement.This method includes a step of obtaining a plurality of continuous high sample rate reading values during a certain fixed period from a conventional inertial sensor. Discontinuous lo...
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JP5275661B2 |
The method and apparatus in one embodiment may have: a sensing element for an accelerometer having a bias, the sensing element having a rectangular plate supported by flexures which allow rotation about a transverse center line thereof; ...
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JP2013152174A |
To provide a sensor signal output device from which a receiving side device can receive a correct sensor signal, by outputting a sensor signal when a sensor is steadily operated, outputting no sensor signal when the sensor is broken down...
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JP2013137275A |
To provide a sensor operation detection device, a sensor operation detection system, and a sensor operation detection method that avoid an increase in size of the device due to an increase in mounting area of a sensor-side circuit, and a...
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JP5206060B2 |
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JP2013101107A |
To provide a method for specifying a measurement axis having an error of a three-axis sensor fixed to a traveling object in a fixed reference coordinate system.A step of generating an estimate vector bej corresponding to movement referen...
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JP5194243B2 |
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JP5173854B2 |
An attitude angle estimating means computes a derivative amount of an attitude angle with respect to a vertical axis of a vehicle body, and integrates the computed derivative amount of the attitude angle, and estimates the attitude angle...
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JP2013053852A |
To accurately obtain a detection value per sensing axis in a state that acceleration acting on an acceleration sensor is zero.An acceleration detector obtains a zero point per sensing axis of an acceleration sensor 111, when a vehicle is...
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JP2013510318A |
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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JP5159559B2 |
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JP3181789U |
To provide a novel heat ray current meter verification device capable of easily performing verification. A wind tunnel unit 10 for setting a heat ray probe 60, a manometer unit 20 for measuring a flow velocity in the wind tunnel, an air ...
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JP5146608B2 |
The running control device and method according to the present invention are those for determining abnormality of a longitudinal acceleration sensor which detects vehicular longitudinal acceleration that is used in a vehicle running cont...
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JP5137229B2 |
The present invention relates to an acceleration measuring device capable of acquiring the offset or both of the sensitivity and the offset necessary for correcting the output of a triaxial acceleration sensor. The invention is provided ...
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JP5131693B2 |
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JP5121202B2 |
A probe card 4 connected with an evaluation unit for evaluating a characteristic of a microstructure formed on a wafer 8 by outputting a test sound wave to a movable section 16a of the microstructure, includes: a probe 4a, which is elect...
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JP5110878B2 |
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 sen...
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JP5110796B2 |
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