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JP3803854B2 |
To provide a calibration method which becomes standards for a reproducibility or an accuracy of values of a contact pressure gage for soft objects and surfaces for measuring a constraining pressure to living bodies, a body pressure to be...
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JP3791253B2 |
To acquire precisely an abnormal signal outputted from a signal processing circuit, and execute smoothly interruption control for a control operation of an EPS(electrically-driven power steering) controller. A sensor circuit signal Sa is...
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JP2006090745A |
To provide a torquemeter protecting device and a torquemeter calibrator capable of preventing surely a torquemeter from being damaged.This torquemeter protecting device for protecting the torquemeter in a torquemeter calibrator 1 for imp...
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JP2006071454A |
To resolve the problem wherein not all flexible pressure-sensitive body can be polarized and if the polarization is conducted normally in the polarization process cannot be confirmed, when small defects exists during impression of high v...
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JP2006064605A |
To provide a torque calibration device of an electric dynamometer wherein a horizontal distance from the center of a rotation part to a hanging position of a weight for calibration is not changed even when a calibration arm is turned fro...
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JP2006507501A |
An apparatus for facilitating calibration of sensors embedded within an object includes: a foundation; a force generator mounted on the foundation configured to generate a force in a first direction; a load cell connected with the force ...
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JP3746795B2 |
PURPOSE: To provide a diagnosing apparatus by which partial or collective failure can be detected. CONSTITUTION: This torque sensor comprises an input member 2, an output member 5, a LED light source 20, a pair of photodetector units 28a...
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JP2006010350A |
To provide a method and a device for diagnosing failure of a torque sensor, capable of performing a reliable failure diagnosis only by adding a circuit for diagnosis without adding a new detection section to a sensor section for diagnosi...
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JP2005351683A |
To provide a technique for more surely managing the measuring accuracy of a torque measurement means provided with a fastening tool.The management system for managing the fastening tool equipped with the torque measurement means comprise...
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JP2005321236A |
To provide a structure capable of constituting at low cost, and capable of precisely calculating the load activated between a hub 11 and an outer race 1 regardless of secular change or assemble error.The revolution speed of balls 8a, 8b ...
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JP2005531758A |
A force sensor, in particular for detecting the forces on a vehicle seat, includes a force measurement cell ( 1 ) that has a Hall element. The force measurement cell ( 1 ) includes at least one bending bar ( 2, 3 ), which from the exerti...
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JP2005219573A |
To provide an electric power steering control device capable of continuing an assist function by precisely computing an alternative torque value at the failure of a torque sensor.This electric power steering control device of a vehicle t...
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JP2005195362A |
To provide a rotation angle detector capable of determining a trouble by only output signals.In this rotation angle detector, the first and second targets 3b, 3c mutually prime in their numbers are provided respectively in rotors 12b, 12...
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JP3664055B2 |
To provide a highly reliable torque sensor capable of determining failures in a torque detecting circuit. An A.C. voltage Vosc is impressed on detecting coils 13 and 14, and the voltages which appear at both ends of the coils are inputte...
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JP2005147702A |
To provide a measuring device capable of measuring accurately the response characteristics of a force sensor with respect to a force changing stepwise.A measuring unit 1 formed by installing a direct-acting bearing 3 for supporting a mov...
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JP2005147701A |
To provide a method capable of accurately and properly measuring the response characteristics of a force sensor with respect to the force of a sine wave-shaped continuous wave.A movable part 5, provided in the direct-acting state on a di...
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JP3650916B2 |
To provide a chassis dynamometer wherein calibration work is easy. Relating to a chassis dynamometer wherein, a roller 3 attached to a spindle axis 2 of a dynamo main body 1 provide with a motor, the roller is rotated with a drive wheel ...
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JP3653545B2 |
To solve the problem that highly reliable measurement can not be performed because dynamic linearity of a strain gage is not guaranteed in measurement of vibration or impact using the strain gage. The strain gage 4 which is an evaluation...
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JP3647903B2 |
PURPOSE: To provide a test equipment which can test a piezoelectric transducer used in an air back system of ear or the like, on the spot. CONSTITUTION: The test equipment comprises a piezoelectric transducer 7, a means in a physical sys...
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JP2005106513A |
To provide a calibration method for a pressure-sensitive sensor capable of reducing a calibration data to be stored, while evading lowering of precision.In this calibration method for the pressure-sensitive sensor distribution-arranged w...
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JP3627028B2 |
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JP3623592B2 |
To contrive simplification of temperature correction of a force sensor. The force sensor is placed at usable lower limit temperature in a state in which excitation voltage is impressed to a sensing part, and repeating detection of inside...
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JP2005037334A |
To provide a selection assistant device of an automatic transmission capable of expanding layout flexibility by downsizing a selection lever and also capable of obtaining a characteristic of selection lever control force according to a d...
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JP3616917B2 |
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JP2005024385A |
To provide a pressure sensitive sensor that has a simple configuration at the tip section, can reduce an insensitive region, can also reduce the outer diameter of the tip section, and can detect the disconnection and short-circuiting of ...
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JP3614640B2 |
To facilitate the identification of the primary components responsible for thermal efficiency deterioration by calculating the heat balance regarding each component of the thermal power plant, performing convergence calculations of the m...
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JP2005009951A |
To provide a neutral point adjustment method and a device therefor for minimizing displacement of the neutral point of a torque sensor.After inputting rightward torque into the torque sensor from a torque giving means, the input torque i...
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JP2004534215A |
A device and a method for calibrating a sensor, e.g., a force sensor such as a belt-force sensor, which allow reliable calibration of the sensor in a simple manner to counteract age-related distortion of measured values. The device for c...
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JP2004317158A |
To monitor stress changes in a long period on stress measurement on a member to be measured, a structure made of a nonmagnetic material.A measuring plate 2 made of a magnetic body is pasted to the member to be measured 1 made of a nonmag...
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JP3575319B2 |
To realize a torque sensor in which the detection of a torque and the detection of the abnormality of a torque detection circuit can be performed with a simple circuit constitution. The inductance of a sensor coil 41 is used as the induc...
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JP2004279351A |
To compactify a device, to reduce a physical burden to a worker for calibration, and to apply a great load to a very small area.This pressure device for calibration of a pressure sensor sheet is provided with: a base; a patch 4 mounted o...
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JP2004264178A |
To easily measure force such as resistance force, thrust force and torque generated in a measuring object such as a model ship and model propeller, for a short time, to allow automation for measurement, and to widen a measuring range.Thi...
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JP2004251697A |
To provide a torque wrench management system, realizing the torque wrench management by computerization.In displaying the management display screen for managing the torque wrench information measured by a torque wrench tester by each reg...
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JP2004239696A |
To obtain stable oscillation detection values regardless of disturbances and to quantitatively determine whether a knocking detector is normal or not.At inspection on the knocking detector 52 installed in a cylinder block of an engine, t...
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JP2004191189A |
To detect damage in wiring or the like to enhance reliability, by comparing output voltages each other when conducting mutual switching between a power source terminal and an output terminal in a bridge circuit.The power source-output te...
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JP2004150845A |
To actualize a compact loading device used for calibrating a torque measuring instrument for a dynamometer.When a ball screw 85 is given one turn in a positive direction from a state shown in (a), an elevating stage 89 moves up as shown ...
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JP3523193B2 |
A strain gauge strip (10a) of the type that can be mechanically applied to a support (1) subject to deformation, is made of Samarium monosulphide and provides optimum performance in terms of precision and sensitivity, without being affec...
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JP3494715B2 |
PURPOSE: To measure the spring constant, which changes with the lapse of time accurately and to perform calibration, in a device, in which a weight meter mounted on a vehicle measures the displacement of a spring used in the suspension o...
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JP2004037432A |
To provide a measuring system with a testing function for confirming normality of a measuring instrument.The measuring system capable of checking and reporting resistance of each electric terminal of each measuring instrument is develope...
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JP2003534542A |
The deformation sensor does not require a supplementary sensor to check functionality. This deformation sensor includes an optical transmission medium, multiple transmission elements, which couple the light of various wavelengths into th...
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JP3458938B2 |
To improve the accuracy of quality evaluation by providing a plurality of measuring elements for torque detecting part which are fitted to a fitting jig a specified distance away from a rotary spindle and by making them rotation symmetri...
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JP3451814B2 |
To obtain a verification apparatus for dynamometer in which the pit for chassis dynamometer is reduced while enhancing the workability and safety of verification work. A load meter 5 is coupled between a fixed part and one torque arm 4c ...
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JP2003254850A |
To provide a three-line system sensor output processing circuit with a self-diagnosis function which enables precision increase by an increase of a dynamic range of voltage of a transmission signal, without increasing transmission lines....
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JP3444952B2 |
PURPOSE: To facilitate trouble return by preventing the simultaneous trouble of a strain gauge and to detect the trouble of a load cell during use by bonding strain gauges to respective strain generating parts at a plurality of different...
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JP3437048B2 |
To make it possible to enhance the reliability of a load cell by a method wherein one end of a sheetlike regulation member having a definite frictional resistance is fixed to a fixation part and the other end is inserted into a slight ga...
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JP3413695B2 |
To facilitate a measuring operation in a narrow space in the measuring device of a torque detecting device. A horizontally awing rail 19 is provided on a carriage 7 through a support part 18 and at the same time a vertically moving rail ...
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JP3413690B2 |
To protect a brake against seizure by stopping a brake dynamometer if the output from a torque meter or the hydraulic pressure of brake exceeds an allowable level at the time of the brake off, thereby suppressing the inaccurate brake tes...
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JP3413475B2 |
To evaluate a bearing more accurately by separating the output frequency band of a torque sensor through a filter into a plurality of desired bands thereby decomposing the torque of the outer and inner rings of the bearing into a spike-l...
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JP3411254B2 |
To provide a distortion calibrator, which enables accurate generation of a bridge output with a level corresponding to a set distortion value over a wide range of distortion along and to have a simple structure. This apparatus includes a...
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JP2003139632A |
To dispense with a fastening tool.A pair of holes 1b of an upper hole and a lower hole are formed at the tip of a torque arm 1, and a tapped hole 1c is formed in the middle. Along with forming a pair of holes 3b of an upper hole and a lo...
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