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JP04270492 |
PURPOSE: To efficiently execute the test of this heat sensor by changing the time constant of a CR circuit composed of a temperature detector, of which the resistance value is changed corresponding to a temperature, and a capacitor. CONS...
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JP04118573 |
PURPOSE: To achieve a correct temperature compensation to an output of a semiconductor sensor by performing an output compensation of the semiconductor sensor corresponding to an action temperature determined by a temperature determining...
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JP04065698 |
PURPOSE: To detect a fault in an intermediate area by deciding the fault when sensor detection data which is sampled deviates from last data by more than a permissible value. CONSTITUTION: A sampling means 2 samples the detection output ...
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JP04010054 |
PURPOSE: To shorten the processing time for the approximate calculation by connecting the output of a multiplication means of a 2nd arithmetic part to one of both inputs of each of both multiplication means of the 1st and 2nd arithmetic ...
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JP02165856 |
PURPOSE: To easily decide existence of abnormality in temp. measuring elements by calculating temp. differences and differential values of molten steel rising in a mold with each temp. measuring element at the time of detecting the temp....
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JP01234774 |
PURPOSE: To maintain a highly accurate level of constant temperature for a long period with simple operations by disposing a cooling pipe which is open at the top in the axial center or the cell made of quartz glass containing a certain ...
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JP01102331 |
PURPOSE: To measure resistance accurately by forming a voltage divider with first and second segments that are mutually connected at an output joint part and maintaining a thermistor at a reference temperature. CONSTITUTION: As far as a ...
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JP63248450 |
PURPOSE: To realize a device capable of soaking at low temp. with high precision in a simple constitution and to preferably use it for various calibrations and tests by providing a heating heater and a passing means of refrigerant to a s...
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JP63217261 |
PURPOSE: To permit exact measurement by bringing a sensor into thermal contact with fluid of which the physical property values are previously known, determining the surface temp. thereof by using the relation between the physical proper...
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JP63055478 |
PURPOSE: To execute the vibration-proof screening of all products by providing an interlocking operation control unit for executing a control for carrying in and out a product, an opening/closing control for a door, and a control of ON a...
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JP62226028 |
PURPOSE: To decrease a measurement error and the damage of an optical fiber, etc. which are generated after a calibration, by placing a thermostat in the vicinity of a part whose temperature is to be measured, and executing a temperature...
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JP62220820 |
PURPOSE: To measure accurate temperature with good response without any trouble even under an ultra high vacuum by winding metallic foil which has excellent heat conductivity around the temperature sensing part of a resistance thermomete...
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JP62066133 |
PURPOSE: To reduce the variation of a resistance value against an external distortion or stress by connecting the third lead loaded with a standard resistor, to one of two leads connected to two electrodes of a heat sensitive element. CO...
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JP61284622 |
PURPOSE: To reduce a work man-hour required for calibrating a temperature measurement value and to improve the time efficiency by providing a reference temperature sensor for calibrating a temperature sensor and a time control keying cir...
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JP61209331 |
PURPOSE: To attain to reduce the number of parts, by inputting the differential voltage of a plurality of bridge circuits having temp. measuring resistors connected thereto and that of non-equilibrium bridge circuits and using an amplify...
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JP61209346 |
PURPOSE: To stabilize a fixed point substance for a long period of time while realizing a temp. fixed point, by melting the fixed point substance by providing a hermetically sealed fixed point cell in an oil bath. CONSTITUTION: A hermeti...
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JP61193175 |
PURPOSE: To monitor the temperature control of a heat roll when a copying machine is stopped, by measuring the turning-on time of a heater by a timer when the temperature of the heat roll is controlled in accordance with a set temperatur...
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JP61160030 |
PURPOSE: To enhance productivity while reducing manufacturing cost, by respectively connecting metallic leads to the electrodes opposed to a temp. sensitive element and connecting adjustable standard resistors to one of the leads and a t...
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JP61144521 |
PURPOSE: To obtain a sensor which can correct a temperature characteristic of an element at a lot cost and automatically by covering a part of a lead wire connected to a temperature sensing element, with a holding sheet, and displaying a...
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JP61143624 |
PURPOSE: To permit to improve temperature accuracy by a method wherein a resistor, correcting the resistance value of a heat-sensitive unit which senses the temperature of an object to be cooked, is provided in the title stove. CONSTITUT...
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JP61133829 |
PURPOSE: To enable a highly accurate adjustment of absolute values while lowering the cost, by variably setting the measured resistance value of a thermosensitive element to correct variations in the temperature at the point of adjusting...
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JP61116630 |
PURPOSE: To detect disconnection and short circuiting positively, by attaching an atmospheric temperature detector, a comparator and a differentiator to a detector to enable the detection of changes in the signal whenever a short circuit...
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JP61117425 |
PURPOSE: To manufacture a temperature sensor of economical constitution efficiently by measuring the resistance value of a thermistor at specific temperature, checking which prescribed group the value belongs to, and connecting a corresp...
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JP61083926 |
PURPOSE: To enable simultaneous measurement of displacement with respect to changes in the temperature of a heat responsive element and vibration state thereof in the same optical system, by providing a displacement measuring section for...
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JP60259920 |
PURPOSE: To enable accurate calibration, by installing in a container an integrated module composed of sensor section sensitive for body temperature, arithmetic section calculating body temperature by an output signal from the sensor sec...
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JP60192207 |
PURPOSE: To surely obtain the true normal value of a detect signal, by using the detect signal nearest to a normal waiting area as a holding signal from time to time and comparing the holding signal with the boundary signal between the n...
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JP60169729 |
PURPOSE: To obtain highly accurate calibration data for every piece of thermistors to be calibrated by easy operation, by constituting the device based on the detected value of the thermistor to be calibrated at a calibrating temperature...
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JP60127433 |
PURPOSE: To perform highly accurate calibration in a short time, when a temperature detector, which is provided with a heat sensitive resistor and a reference resistor in an oscillating circuit, is calibrated, by automatically adjusting ...
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JP60046434 |
PURPOSE: To perform calibration easily and to increase precision by obtaining the difference frequency signal between the output of a crystal oscillator and a surface acoustic wave oscillator with a large temperature coefficient and a re...
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JP60006836 |
PURPOSE: To prevent a triple-point cell of water from falling when shaven ice turns into water by spreading plural beltlike or cordlike elastic bodies at the opening part of a dewer bottle, and constraining and holding the neck of the tr...
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JP59225324 |
PURPOSE: To enhance the versatility in element selection, by dispensing with strict selection of the accuracy in the reference resistance value of a reference resistor or a temp. measuring resistor by adjusting the resistance value of th...
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JP59200934 |
PURPOSE: To improve the quality of temperature measuring value data and to detect and restore a fault quickly by deciding the abnormality of a process I/O device when a measuring value of a testing reference resistor exceeds an allowable...
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JP59092336 |
PURPOSE: To measure quantitatively the magnetic field in the space where a sample is present when the sample becomes superconduction by utilizing the sample at a fixed point of temperature itself as a magnetic field sensor. CONSTITUTION:...
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JP59088631 |
PURPOSE: To perform preciseness judgement while automatically reading graduation and indication, by a method wherein the image of a measuring instrument to be subjected to preciseness judgement is taken in to be converted to digital data...
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JP59081565 |
PURPOSE: To generate a nearly actual test signal for a specific time when a test signal generating probe attached to a sublance reaches molten metal, by providing a timer which is started by a couple of terminals projecting from the lowe...
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JP59073731 |
PURPOSE: To enhance reliability of measured data and to improve working efficiency, by transmitting artificial data, which is determined in advance, by polarity conversion or AC phase conversion of power supply. CONSTITUTION: The rotary ...
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JP59042422 |
PURPOSE: To display a correct temperature, by finding a linear equation from each measured value by an external computer at the time of placing a sensor at different temperatures and storing a constant and calculating reversely said temp...
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JP59030030 |
PURPOSE: To improve the reliability of the measured result, by providing a display test circuit, a function test circuit, and a switch circuit, performing self- diagnosis of circuit functions at the start of the measurement within a shor...
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JP58169040 |
PURPOSE: To detect whether there is a mercurial column or not at high speed, by a method wherein picture data of a clinical thermometer are added in predetermined direction on the screeen. CONSTITUTION: Picture data of a clinical thermom...
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JP58154632 |
PURPOSE: To obtain a highly efficient, small-sized and lightweight testing device for a temperature detector, by changing the ratio of flow rate of high temperature fluid to that of low temperature fluid while keeping the total flow rate...
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JP58079123 |
PURPOSE: To simplify the structure of a conveyer, by providing the water jetting nozzle in a hot water tank, and dipping the mercury containing part of each thermometer that is conveyed into the warm water jetted from the opening part of...
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JP58072017 |
PURPOSE: To allow the contacts of a thermocouple to maintain zero degrees always accurately by detecting the upper and lower limits of the entire volume of the ice and water in a device communicating with a Dewar vessel including the ins...
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JP58061432 |
PURPOSE: To perform a stable and highly accurate temperature measurement for a long period, by calibrating automatically in the process of operation in case of measuring real temperature by storing only the A/D conversion value in a memo...
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JP58060229 |
PURPOSE: To perform a calibration at each temperature fully automatically by setting arbitrary low temperature conditions along a broad range. CONSTITUTION: A preset signal is transmitted to a voltage generator 18 from an electronic comp...
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JP58014952 |
PURPOSE: To obtain the thermostatic apparatus having high accuracy comprising an inverted bell-jar shaped container capable of flowing a fluid through the space of the double wall thereof, capable of using a gas as a direct heating mediu...
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JP57191524 |
PURPOSE: To measure the temperature error of a thermocouple to be measured accurately by heating a standard thermocouple and the thermocouple to be measured in a heating atmosphere while their tip parts are inserted into a single cap mad...
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JP57179758 |
PURPOSE: To eliminate the need for a thermostatic chamber and at the same time to decrease the time of measurement, by inserting a measuring resistance of a known temperature coefficient to one of the two bridge circuits and a measuring ...
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JP57165728 |
PURPOSE: To improve working efficiency by sequentially switching a plurality of elements in a constant temperature oven, connecting them to an operation control part, measuring resistance values, and simultaneously computing and displayi...
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JP57088330 |
PURPOSE: To obtain plural fixed points simultaneously by partitioning a fixed point material packing cell to plural pieces and packing mutually different fixed point materials. CONSTITUTION: The 1st fixed point material 4 is packed in th...
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JP57026724 |
PURPOSE: To detect defective and nondefective accurately by calculating the difference in the leading end position of the mercury column of a clinical thermometer held at a set temp. and the scale position of the clinical thermometer cor...
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