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JP2008145269 |
To provide a sensor system capable of acquiring both a wide dynamic range and high sensitivity, in detection of a physical quantity.A nonlinear signal processing circuit section 200 is provided for inputting, and processing, a signal hav...
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JP2008128998 |
To provide a smoothing filter device and a speed detector using it capable of smoothing exactly time-series data which have a dispersion into a value near the center of data dispersion amplitude.The smoothing filter device 1 which smooth...
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JP2008096280 |
To provide a portable apparatus capable of performing stable and highly-accurate measurement by suppressing easily temperature drift.A ranging device equipped with sensors 31, 32, and a casing 2 for storing the sensors 31, 32 is provided...
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JP2008083039 |
To provide a temperature compensation circuit which regulates optionally a level and a positive or negative polarity of a temperature coefficient of a temperature compensation output voltage.The temperature compensation circuit has a mea...
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JP2008070354 |
To allow temperature compensation with desired accuracy, even when the offset and the gain of an electrical sensor output signal has non-linear temperature dependences and second latent higher temperature dependences.A sensor temperature...
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JP2008064747 |
To provide a fiber sensing system capable of identifying sensor position, arranging a plurality of sensors in the same optical transmission path, and of easy integration of two-wavelength systems.The fiber sensing system 1 comprises an o...
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JP2008058016 |
To provide a temperature compensating circuit for implementing a temperature compensation having a continuous characteristic, while it is reduced in circuit scale.An output voltage VOUT at a connection node 14 is determined based on curr...
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JP2008045936 |
To control the effects of thermal noise which is problematic to electro-mechanical devices having a movable part involving vibrations and movements.Two or more electro-mechanical devices 11, 12, etc. having a movable part 1 capable of vi...
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JP2008028779 |
To provide a detection sensor, a master unit, and a sensor system for preventing the careless setting change of detection conditions.A sensor unit 10 of a sensor system is not provided with any jog switch and setting mode changeover swit...
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JP2008014745 |
To provide a sensor unit which can be used even in the case three or more sensor inputs are required, and further can save a labor of a designer and reduce the capacity of a memory mounted on a microcomputer.The sensor unit comprises: th...
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JP2007171024 |
To prevent a signal detection circuit from being influenced due to noise, with an expensive structure having no filter circuit installed, and a substrate for sensor control with the signal detection circuit, to which detection signal fro...
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JP2007163485 |
To provide a system for measuring accurately a total instantaneous mass flow rate to a burner for monitoring engine health, capable of reducing a thermal load, and capable of eliminating a fuel throttle valve, a dual-rotor turbine meter ...
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JP2007163445 |
To provide an environmental data collection system having consulting function for selection of a place, and to provide a method for installation of an observation device, and correction of acquired data to intrinsic values.The system for...
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JP2007156997 |
To provide an electric current output type detection device capable of suppressing the deterioration of detection precision, even if variations in the supply voltage are produced, while suppressing increase in power consumption.The elect...
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JP3963115 |
To manufacture a semiconductor physical quantity sensor apparatus by a CMOS manufacture process at a low cost where electrical trimming is performed even with less number of terminals. There are provided a sensor element 15, an auxiliary...
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JP2007132947 |
To provide method and system of applying an electric power to a pressure and temperature sensing element.In the system, a polarity change is added to a current source of a sensor. The sensor includes one piezo-resistance sensing element ...
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JP2007129101 |
To control a movable stage with high precision in all sections including a measuring section and a non-measuring section.Information corresponding to the actual position of a movable stage for a plurality of target positions in the measu...
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JP3956877 |
To correct a temperature for a sensor in a short time under the condition where a quantization error is eliminated while restraining cost-up. The ambient temperature of an angular velocity sensor 11 is detected as a resistance signal val...
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JP3953889 |
To detect the angle of rotation of a rotor at a high accuracy without being subjected to the temperature change influence. A first sine phase voltage showing the rotation angle of a resolver is derived from the sum of a rotation angle vo...
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JP3952098 |
To enable a ball to be moved to a measurement position without manual assistance, suppress effect of a body temperature and eliminate individual differences, etc., thereby improving accuracy by setting a ball-moving means, a ball diamete...
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JP2007108183 |
To accurately calibrate a probe for measuring the temperature of a substrate in a substrate processing chamber.The probe includes a light pipe, one end of which is inserted into the processing chamber. The other end of the light pipe is ...
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JP2007101251 |
To perform offset adjustment and full-scale adjustment by variation or the like of components.The sensor device detects the physical quantity by calculating variation part of relative oscillation frequency in the first and second oscilla...
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JP2007089023 |
To provide a signal processing device capable of suitably eliminating noise included in an output signal from a sensor according to the magnitude of the noise.The signal processing device 1 comprises a filtering means 2 for subtracting a...
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JP2007078610 |
To provide a sensing object value estimating device for improving detection precision by estimating a sensing object value when there is input exceeding a dynamic range of a sensor, and to provide its estimating method.An integration val...
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JP2007078419 |
To provide a sampling measuring instrument of high reliability capable of restraining a measured value from being deviated even when sampling timing is interrupted by other computation processing or the like.An ECU for controlling an SCV...
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JP2007071681 |
To accurately process signal of whole range of physical quantities.The detection output of a gas sensor 10 detecting, when a sinusoidal voltage Vin with a specific period is impressed from a drive power source 20, is inversely amplified ...
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JP3915238 |
To miniaturize the whole body and keep the precision of physical quantity detection value in good state for a long duration. Time division processing is carried out for standard signal Sa from a standard voltage generating circuit 5, tem...
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JP2007040988 |
To provide, especially, an induction type angle measuring device and an operation method that modulates a magnetic field so that very precise sweep spacing can be determined even during primary measurement operation.In the device, a scan...
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JP2007024502 |
To provide a data processing apparatus which can filter measured data which represents an unequality in intervals between measurement points.For a measured data group in which coordinate information of the measurement points distributed ...
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JP2007025888 |
To remove a disturbance component from a measured value when a stage rotates centered on gravity in a θ direction owing to a disturbance.In a main arithmetic processing section 70, subtracters 72, 74, 76 obtain deviations of measured va...
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JP3891288 |
To provide an electrically driven steering apparatus capable of continuing to detect a steering angle even if one rotation angle sensor fails. The steering angle is respectively acquired using three rotation angle sensors (a first resolv...
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JP2006338552 |
To provide an inspection data DB associating every piece of inspection data with the measuring instrument that has measured it, and prevent wrong use of uncalibrated measuring instruments.An inspection data input terminal 1 reads measuri...
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JP3888196 |
To reduce a time for adjusting output characteristic of a pressure sensor. A first amplifying/adjusting circuit 20 outputs a normal output voltage and a second amplifying/adjusting circuit 21 outputs a reference voltage. A judging circui...
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JP2006322888 |
To inexpensively provide a detector capable of eliminating an influence of a noise generated inside an amplifier for amplifying a detection signal of a sensor to obtain a precise detection result.The amplifiers 12a, 12b amplify the detec...
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JP2006317353 |
To be capable of implementing a high accuracy multi-point correction of the measured data in a built-in microcomputer with low computing power and small storage capacity.When multi-point correction of the measured data 10 is implemented ...
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JP2006317361 |
To provide a structure capable of suppressing the effects of changes in the rigidity of rolling bearing units with changes in temperature and accurately determining loads exerted on the rolling bearing units.The amount of displacement in...
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JP3877998 |
To directly obtain the temperature of an angle sensor without additionally installing a temperature sensor and to provide information relating to a position and information relating to a temperature without increasing the number of kinds...
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JP3876483 |
To realize an increase in the precision of a detected pressure value and to shorten time necessary for computing the pressure detected value. An analog multiplexer 6 causes a reference signal Sa from a reference voltage generating circui...
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JP2006308448 |
To provide a correction value memory unit capable of raising accuracy of correction value.Between a temperature sensor 13, a gyro sensor 14 and a battery 15, a terminal 16 connected with the battery 15 without putting an ignition switch ...
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JP3874813 |
PURPOSE: To realize highly accurate high speed weighing by setting an operation command corresponding to the weighing conditions, e.g. the kind of object to be weighed and the carrying speed of a conveyor. CONSTITUTION: Predetermined fil...
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JP2006300863 |
To compute an ideal value of a physical quantity while suppressing effect of response delays and errors on the basis of measured values of physical quantities such as the flow rate and pressure of air and model measured values of a measu...
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JP2006300641 |
To provide a physical quantity detector capable of satisfying both of a wide dynamic range and high detecting accuracy and moreover detecting physical quantity with sufficient accuracy in measuring range met users request.The physical qu...
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JP3869867 |
PURPOSE: To provide a position detecting device which continue to move to a sufficient degree when an exterior power source device breaks down for a long time without requiring a buttery source and which performs energy switching for kee...
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JP2006284412 |
To provide an apparatus and a method for checking the accuracy of a measuring instrument more easily.The management apparatus for accuracy of a measuring-instrument comprises a measured-value reading means for acquiring measured values m...
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JP2006279839 |
To provide a sensor device with a highly accurate output value, without requiring the temperature detecting circuit or temperature detection.In this constitution, the sensor device includes a reference voltage generating circuit 3 for ge...
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JP2006279768 |
To provide an amplifying circuit, which is connected with a low-pass filter and reduces times for correcting amplifying characteristics and turning on power supply, and to provide its control method.The amplifying circuit 10 operates in ...
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JP2006275761 |
To provide a setting technique of sensor modules capable of resolving characteristic dispersion, while reflecting actual operating conditions.Physical quantities provided to sensor modules are set at a predetermined value (step S2) and t...
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JP2006266802 |
To reduce an error value in a span without increasing the number of calibration points.The measurement apparatus with a linearizer for an object to be measured having nonlinear characteristics performs broken line approximation on a meas...
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JP2006266738 |
To provide a sensitivity switching type sensor circuit capable of remarkably reducing the sudden change of signal at the time of gain switching.The current sensor circuit 1 provided with amplifiers of a high gain 11 and a low gain 12, an...
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JP2006250744 |
To enable a radio sensor device to carry out a conversion process from a detected value into a measured value, more effectively and more precisely.The radio sensor device is equipped with: at least one sensor 101; a signal processing sec...
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