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Document Title |
JPH10132687A |
To accurately judge the presence or absence of empty can leakage by a method wherein a gas is introduced into empty cans to be detected, and such a point that the pressure in empty cans is dropped more than a peak value and is mitigated ...
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JPH10122992A |
To provide a small-sized lightweight photo-pressure sensor by using a bismuth-substituted rare earth iron garnet monocrystal film as photoelastic element. As the photoelastic element of a photo-pressure sensor formed of a polarizer, a ph...
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JPH10122993A |
To provide a small-sized lightweight photo-pressure sensor by using a nonmagnetic rare earth garnet monocrystal as photoelastic element. As the photoelastic element of an optical pressure sensor formed of a polarizer, a photoelastic elem...
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JP2728530B2 |
PCT No. PCT/EP89/00053 Sec. 371 Date Nov. 24, 1989 Sec. 102(e) Date Nov. 24, 1989 PCT Filed Jan. 17, 1989 PCT Pub. No. WO89/06512 PCT Pub. Date Jul. 27, 1989.An optical reflection hydrophone probe is described for determining the pressur...
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JPH1073507A |
To provide a method which can be applied at low costs and easily in order to ensure the internal pressure of a container in a gas inflator at an air bag system and which can be verified easily and to provide a detector which is used for ...
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JP2726860B2 |
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JPH1062285A |
To accurately adjust an internal pressure of a can even when permanent deformation of the can occurs under a pasteurization treatment of the aluminum can by confining a part of the can desired to measure an intrinsic frequency to a shell...
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JPH1061513A |
To mount a pressure detector for a fuel tank on a fuel tank easily, reduce the number of parts, and improve productivity by arranging a pressure detecting port on a member for installing a fuel pump, fixing a base member through a seal m...
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JPH1019706A |
To provide a device for measuring vacuum pressure by which vacuum pressure in a pressure-reduced space can be measured accurately and simply. This device is provided with a container 1 in which water is filled at a given water level, a h...
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JPH1019684A |
To precisely measure temperature and pressure in a pressure-reduced atmosphere by calculating the pressure from a preliminarily stored relation between saturated temperature and saturated steam pressure on the basis of the detected tempe...
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JP2702465B2 |
To correctly measure the filling amount without being influenced by a composition change of natural gas, by operating the filling amount from a volume based on a residual pressure of a cylinder or the like. Before a cylinder 32 is starte...
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JP2697244B2 |
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JPH09318478A |
To provide a internal pressure detector of a pneumatic fender material in which the workload of maintenance can be decreased. Internal pressure detecting units 10 provided for pneumatic fender materials fixed to in-water structures, such...
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JPH09288027A |
To obtain a measuring apparatus by which a pressure can be measured precisely even when the pressure is changed suddenly by a method wherein a second pressure-measuring pipe in which an orifice is installed in the middle of a water-fille...
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JPH09273972A |
To remove influence of temperature changes from the value shown on a display device of a gasmeter detected by a pressure sensor in the managing of the amount of a gas by a pressure or other values derived from the pressure. Simultaneousl...
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JPH09257619A |
To properly measure inner pressure of a vessel under environment having no communication means by finding time counting information from a timer and pressure change information with the lapse of time, and storing them in the memory in a ...
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JPH09242988A |
To automatically conduct a pressure proof test of a high pressure gas vessel with a reduce manpower by providing a carrying device which grips the high pressure gas vessel with a chuck and carries it from a waiting position to a testing ...
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JPH09229799A |
To enable an optical pressure guage to measure pressure, by arranging a polarizer, a wave plate and an analyzer, in order from the incidence side, penetrating and retaining the wave plate by a strut whose ends are retained by the polariz...
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JPH09226728A |
To detect whether or not an internal pressure of a can is appropriate and whether the can is in a straight standing (normal) state or in an abnormal (inverted or falling) state. An apparatus K for inspecting internal pressure of can insp...
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JP2645897B2 |
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JP2639308B2 |
PURPOSE: To provide a pressure sensor, a temperature sensor, and a temperature pressure sensor device with improved sensitivity, environmental resistance, and reliability. CONSTITUTION: An Si substrate 1 is formed partially and thinly as...
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JP2639725B2 |
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JPH09189633A |
To easily inspect the internal pressures of different kinds of cans differed in dimension. A device body 300 has a space changing mechanism 330, the space changing mechanism 330 is formed of a first moving frame 331 for supporting a can ...
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JPH09189632A |
To easily inspect the internal pressure of a can. First and second can body pressure detectors 370, 390 to be pressed by the drum part of a can to detect the can internal pressure have first and second detecting heads 375, 395 as pressed...
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JPH09189631A |
To enable defective cans to be removed precisely even when an error occurs as to the speed at which the cans are conveyed, so as to simplify internal pressure inspection, by actuating a defective can removing device based on can detectio...
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JPH09166510A |
To measure internal pressure correctly at a high speed even in a bad surface state of thin film of a closed container by obtaining the internal pressure of the closed container in the basis of the change point of a differential coefficie...
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JPH09159567A |
To measure the internal pressure of a sealed container with high accuracy and improve inspection efficiency by applying the constitution that a sealed container to be corrected is discriminated on the basis of data detected with an orien...
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JPH09145516A |
To more correctly judge whether or not a sealed container is good which is turned to a positive pressure thereinside depending on an intensity of light reflected from a lid face thereof and incident on a photodetector. The apparatus turn...
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JPH09133597A |
To obtain an apparatus for measuring the external pressure appropriately in an environment having no means for communicating with the outside, e.g. in a can, by disposing a pressure sensor, a timer, a control section, a memory and an int...
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JPH09133598A |
To improve a pneumatic test method for functionality for tank vent such that leakage can be diagnosed surely by eliminating the creep effect of a fuel tank. The inventive test system comprises an adsorption filter AF coupled with a fuel ...
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JP2610776B2 |
PURPOSE: To detect and measure various physical parameters by providing a sensor whose variation in spectroreflectivity or spectrotransmissivity is induced by a physical parameter to be measured, and whose output light is spectrally modu...
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JP2604181B2 |
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JP2605239B2 |
PURPOSE: To combine changing function of resonance frequency with ultrasonic transducer function by applying an electromagnetic energy to an antenna coil forming a closed loop to generate a high frequency current, applying the high frequ...
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JPH09105693A |
To make it possible to simply measure the internal pressure of a vessel at a low cost by the previously obtained relationship between the resonance frequency and the internal pressure of the vessel by exciting the vessel and measuring th...
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JPH09101225A |
To ensure a significant variation in the quantity of light through a small bending deformation in pressure measurement using an optical fiber. An optical fiber 10 has a regulated frequency (V value) lower than 90% of a regulated cut-off ...
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JPH0961281A |
To provide a novel leak tester for drums wherein only by setting a drum at a specific portion, all subsequent operations and tests necessary for leak test can be automatically performed. A leak tester includes a base 11 on which a drum D...
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JPH0961275A |
To simply detect a part defective in hydrogen gas pressure in a mercury relay at a low cost in a short time by generating discharge and light emission between contact terminals of the relay and detecting only a light wavelength for excit...
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JP2586838B2 |
PURPOSE: To directly detect a tsunami which occurs in the offing in a moment with an inexpensive simple constitution. CONSTITUTION: One ring fiber 1 composed of three optical fiber loops 1a, 1b, and 1c having different lengths (1a>1b>1c)...
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JPH0949776A |
To provide an optical cable being capable of being used for a pressure sensor without necessity of a special structure with low loss without restriction in an installing position. The optical cable comprises an optical fiber core wire 1 ...
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JPH0933368A |
To precisely measure the pressure applied to a pressurizing body part by providing a corner prism and a pressurizing body on the tips of two optical fibers, and measuring the phase difference between the incident light of one optical fib...
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JP2563766B2 |
PURPOSE: To allow even an unskilled person to handle a gas cylinder easily by enabling accurate and quick determination of residual usable time. CONSTITUTION: A residual usable time calculation processing section 46 is provided to calcul...
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JPH08327486A |
PURPOSE: To assemble many fiber-optic sensors at a time so as to improve the efficiency of the assembling work of the sensors and, at the same time, to make the assembling work easier by using a guide having a plurality of through holes ...
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JP2560604B2 |
PURPOSE: To provide an electromagnetic force automatic balancing type measuring apparatus for providing a system with high response and stability, and for facilitating a measure for coexisting a wide dynamic range and high resolution wit...
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JPH08304202A |
PURPOSE: To provide an optical fiber pressure sensor which has a small size and never cause any damage to its peripheral member. CONSTITUTION: An optical fiber pressure sensor is constituted by putting a bottomed cylindrical body 1 which...
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JPH08304204A |
PURPOSE: To provide a method for manufacturing a diaphragm unit for obtaining a flat diaphragm film which does not bend nor break and an optical fiber type pressure sensor the pressure sensitive section of which can be increased in size ...
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JPH08304203A |
PURPOSE: To provide an optical pressure sensor which is usable without any special explosion-proof construction, highly reliable optical pressure detecting method and pressure sensor which can be manufactured easily, and multipoint measu...
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JPH08297061A |
PURPOSE: To obtain a tactile sensor for detecting a two-dimensional surface state, or the like, efficiently without being accompanied by the danger of electric spark or electric shock while suppressing an electromagnetic trouble. CONSTIT...
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JPH08278217A |
PURPOSE: To obtain a pressure sensor by which a pressure can be detected with high sensitivity, which is small and light in weight and also hard to break by a method wherein a heat source and a pyroelectric element are arranged near the ...
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JP2541277B2 |
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JP2534606B2 |
PURPOSE: To provide the pressure switch which has its zero point easily adjusted and is high in safety and reliability. CONSTITUTION: A light-reflective pressure receiving film 1 completely partitions two chambers A and B from each other...
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