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JP3052118 |
PURPOSE: To prevent warp of a shelf board and to make it possible to change the height of the shelf plate, by providing a rail of a recess groove whose lower side is opened, and loading the end of the recess groove on a shelf pad units p...
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JP2000097099 |
To diagnose the presence of freezing of an intake pressure sensor for an internal-combustion engine.If the admitting conditions for diagnosing the freezing of an intake pressure sensor are met when an ignition switch(IGN SW) is on, a dia...
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JP2000074770 |
To make measurable the vacuum degree accurately with high reproducibility by providing discharge terminals in a low pressure chamber contg. an article to be sealed and measuring the discharge start voltage across a discharge gap with a v...
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JP2000065668 |
To provide an automatic calibrating device for pressure and differential pressure transmitter which can make calibrating work easier, can shorten calibrating time, and can improve the accuracy of measurement by unitizing apparatuses for ...
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JP2000048999 |
To provide an inspecting method for a high-frequency power source and an inspecting method for a pressure guage to allow easy and quick inspection for the power source and the pressure guage in high-frequency plasma processing. This plas...
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JP2000028702 |
To enable to use with an array of optical fiber interference sensors by determining an optimal offset value of an in-phase component on the in-phase component signal of a selected digital down converter. The inboard receiver 102 of a sub...
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JP2000028467 |
To enable the self-diagnosis of the correct operation of a device while the device is being used even in the case of the installation of a single device. This device is constituted of a closed circuit network. The branches of the closed ...
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JP2000032622 |
To provide a soundness diagnosing method capable of confirming soundness of a pressure sensor and obtain a gas pressure detecting apparatus provided with a soundness diagnosing means of the pressure sensor. A measurement auxiliary appara...
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JP2000028466 |
To obtain a diagnostic apparatus by which a detecting means can be diagnosed simply while the operation of an apparatus or the like to which the detecting means is attached is being continued by a method wherein the detection value of ei...
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JP2000019039 |
To provide a pressure transducer capable of maintaining highly accurate measurement over a wide temperature range without the need for updating a correction constant or exchanging ROM at the time of new connection or exchange. A pressure...
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JP11351995 |
To measure a load on a support of a structure with no change in structure type nor decomposition of a structure, etc., by using a load meter as a support of the structure. Related to a load meter 41, for example, which is used as a suppo...
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JP11351996 |
To provide a method and an apparatus for sensor calibration where spatial correspondence between the pressure data from a pressure sensor and a camera image is determined. Camera image of a pressure sensor is fetched at an image input se...
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JP11337436 |
To early detect generation of a drift phenomenon of a pressure gage even when a plant is kept driving by comparing a pressure calculation value obtained from a throttle degree of a pressure-regulating valve and a pressure measurement val...
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JP11326104 |
To permit the measurement of characteristics of a plurality of pressure sensors under the same condition, by simultaneously exerting the same pressure on a plurality of pressure sensors set at a setting jig from one pressure supplying pa...
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JP11324827 |
To detect such failure that a detecting value is fluctuated continuously by repeating deviation judgment for judging whether a deviation between a detecting value of a pressure sensor and its average value is larger than a prescribed val...
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JP11326100 |
To provide a manometer fitting device capable of replacing a manometer without breaking vacuum at the time of replacement. A housing 11 fitted to a piping 6 connected to a tank is provided with a diaphragm 12 sealing a coolant 7 on the t...
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JP11304620 |
To enhance noise resistance of pressure sensor. The pressure sensor comprises a plurality of strain gauges G1-G4 forming a bridge circuit which can be adjusted by selecting an electrode to be used. A gauge film 32 is provided with correc...
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JP11304624 |
To obtain a self-calibrating sensor in which an input/output line exclusively used for a calibrating operation is omitted and whose production costs can be reduced. In a self-calibrating sensor 1, a sensor element 11 by which a change in...
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JP11295175 |
To simplify the structure of an arithmetic processing means by using a portion calculating the calibration value of the arithmetic processing means with a specific equation and a portion for making an output correction in common. The ele...
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JP11271163 |
To provide a calibration method, for a pressure sensor, in which the complicated adjusting operation of a trimmer can be performed without handwork and in which the operating capability of an A/D converter can be used to the full and to ...
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JP11218457 |
To detect the failure of a fuel tank internal pressure sensor in specified load range in which the tank internal pressure does not change and avoid wrong detection in the failure diagnosis of an evaporated fuel feed system. When a tank i...
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JP11183289 |
To protect a CMOS integrated circuit for processing the output of a capacitance type pressure sensor against an external noise. A CP sensor IC2 made of a CMOSIC is connected to capacitance type pressure sensor element 1. A first Zener di...
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JP11173938 |
To provide a highly reliably airtight, inexpensive, and high-accuracy pressure sensor. The pressure sensor is composed of upper and lower cases 11 and 12 respectively having insertion structures and fluid introducing holes 13 and 14 and ...
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JP11148878 |
To obtain a reduction circuit in which the drift of a pressure sensor is corrected at low costs. An electric charge is generated across a crystal 2 according to a strain clue to an applied voltage. An integrating circuit 3 converts the e...
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JP11148881 |
To provide a calibration apparatus, for a pressure converter, by which a static pressure can be calibrated simultaneously regarding a plurality of pressure converters while a pressure is set over a wide range and by which a dynamic chara...
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JP11094678 |
To widen versatility for the structure of a sensor to enhance production economics, precision, and reliability by processing and outputting an electric signal based on a calibration data received from the outside or stored in a memory pa...
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JP11040821 |
To provide a device for easily detecting abnormalities in a diaphragm. This abnormality-detecting device is equipped with a linear resistor r formed on a diaphragm 23, wherein the one end of the resistor r is connected to abnormality-det...
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JP11030563 |
To measure a pressure drop of liquid relatively easily and accurately. A liquid supply source containing a liquid to be subjected to pressure measurement is connected to liquid injection pipes 7 and 8. With the opening and closing valves...
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JP11023401 |
To provide a characteristic measuring apparatus for a pressure sensor which can highly accurate measure characteristic by suppressing the generation of a mechanical stress. This characteristic measuring apparatus is for measuring a press...
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JP10332518 |
To provide the instrument which suppresses the generation of mechanical stress and can measure characteristics with high precision. This instrument is a characteristic measuring instrument for measuring pressure characteristics of a pres...
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JP10332519 |
To provide the instrument which suppresses the generation of mechanical stress and can measure characteristics with high precision and high efficiency. This instrument is a characteristic measuring instrument for measuring pressure chara...
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JP10325776 |
To perform a calibration operation and the control of maintenance data according to a pressure transmitter at the field occasionally for rationalization and saving power, by incorporating a pressure calibration control unit and a communi...
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JP10326813 |
To provide a characteristics measurement device for a pressure sensor, wherein a characteristics is measured with high precision by suppressing the occurrence of a mechanical stress. This device comprises a wiring board 4 where an IC soc...
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JP10326814 |
To provide a characteristics measurement device for a pressure sensor, wherein a characteristics is measured with high precision by suppressing occurrence of a mechanical stress. This device comprises a wiring board 3 provided with an IC...
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JP10325775 |
To provide a pressure restrictor whose durability is excellent and by which a pressure can be regulated with good accuracy. A pressure restrictor 4 is constituted so as to be arranged and installed in the halfway part of a pressure-guide...
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JP10300609 |
To reliably connect a lead member to a substrate electrode in an electrostatic capacitance type sensor, and also remove change of floating capacitance by a projecting part of the lead member of the substrate electrode. This electrostatic...
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JP10300617 |
To provide the characteristic measuring device of a pressure sensor capable of suppressing generation of mechanical stress and measuring characteristics with high precision. This device has a pressure sensor main body 1; a pressure intro...
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JP10300615 |
To realize on-line self-diagnosis for all failure modes by an arrangement wherein a microcomputer in a system using a semiconductor pressure sensor processes two output signals for amplifying and regulating the pressures prevailing befor...
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JP10300618 |
To provide the characteristic measuring device of a pressure sensor capable of suppressing generation of mechanical stress and measuring characteristics with high precision. In the characteristic measuring device of a pressure sensor whi...
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JP10300616 |
To provide the characteristic measuring device of a pressure sensor capable of suppressing generation of mechanical stress and measuring characteristics with high precision and high efficiency. There is formed an insertion hole 41 having...
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JP10293079 |
To provide characteristics of a pressure sensor measuring device wherein occurrence of mechanical stress is suppressed for high precision and efficiency characteristics measurement. The characteristics measuring device measures a pressur...
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JP10293078 |
To provide characteristics of pressure sensor measuring with high precision and efficiency device and a method for attaching it by suppressing occurrence of mechanical stress. The measuring device comprises a pressure applying jig 2 prov...
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JP10281912 |
To provide a pressure sensor device in which the increase in size or cost and complicated processing are suitably avoided, and a more precise sensor value corrected in dispersion of a characteristic or mechanical difference every sensor ...
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JP10274588 |
To provide a centrifugal differential pressure generating device that can generate micro differential pressure with high accuracy by reducing the influence of temperature. In a centrifugal differential pressure generating device for gene...
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JP10275836 |
To provide a characteristic measuring device for a pressure sensor, which can carry out a high-precision and high-efficiency measurement of characteristics by preventing a mechanical stress and to provide a method for placing the same. A...
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JP10267775 |
To prevent fluctuation of the offset voltage of a sensor chip which is adjusted before the sensor chip is mounted on the partition wall of a capillary, even when the sensor chip is mounted on the partition wall. A sensor assembly 15 cons...
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JP10267962 |
To provide a mechanism by which the operation test of a sensor can be performed simply. A groove is formed on the rear surface of a semiconductor pellet 10 so as to become flexible, and a weight body 20 is bonded to the rear surface in t...
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JP10239201 |
To provide a measuring apparatus by which a characteristic can be measured with high accuracy and with high efficiency by a method wherein a mechanical stress due to a dislocation or the like is absorbed by a tube and the greater part of...
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JP2814794 |
PURPOSE: To economize labor in work by providing an altitude/speed tester which automatically executes the tests for an altimeter and a speedometer in utllization of the air pressure and outputs the test results. CONSTITUTION: As for an ...
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JP10213510 |
To suppress occurrence of mechanical stress and highly accurately and efficiently measure characteristics by applying a pressure to a diaphragm via a flexible tube connected to a pressure supply piping and a pressure introducing pipe con...
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