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Patent Searching and Data


Matches 851 - 900 out of 1,699

Document Document Title
JP3101671B2  
JP2000292291A
To obtain detailed characteristics stably through a simple structure. The sensor 11 representing the inner pressure variation of an enclosed container in the form of a strain comprises an insulator layer, i.e., a dielectric layer 21 form...  
JP2000292294A
To convert the magnitude of strain easily into a variation of inductance and into a variation of frequency through a simple structure by an arrangement wherein a strain sensor forms a coil of thin magnetic film having magnetostriction in...  
JP2000292295A
To obtain detailed characteristics stably through a simple structure. The sensor 11 formed on the bottom face part and representing the inner pressure variation of an enclosed container in the form of a strain comprises a thin film magne...  
JP2000266622A
To make efficiently performable GO/NO-GO judgement on the internal pressure of a can by canceling measurement errors due to the vibrations of a conveyer and highly accurately measuring the depth of the bottom of a can at a predetermined ...  
JP2000258273A
To provide a fluid pressure detector in which fluid pressure at a plurality of points can be measured from open opening of piping or a tank. The fluid pressure detector comprises a fluid pressure measuring apparatus 4, piping 6 through w...  
JP3087268B2  
JP3079156B2  
JP2000221085A
To provide a BG(Bragg grating) pressure sensor suitable for pressure measurement of plural points without a large influence of intensity fluctuation of a light source. This BG pressure sensor has a sensing part 6 (a diaphragm 61) displac...  
JP3098633B2
PURPOSE: To measure the flow rate of a fluid inside a pipe connected to a main pipe by using a meter, to measure the pressure of the fluid near the meter and to automatically estimate the pressure of a fluid in the main pipe on the basis...  
JP2000214013A
To detect pressure highly accurately and inexpensively at a large number of points distributed in a two-dimensional wide area by transmitting light between two optical waveguides intersecting each other and fluctuating its quantity of li...  
JP2000203552A
To simply inspect the bottom of a can by tapping, and to easily inspect inner pressure of the can by forming a step part connected with an annular recessed part on the inside of the annular recessed part in the can wherein an annular pro...  
JP3067494B2  
JP3088792B2
PURPOSE: To obtain a sensor device to be arranged at high density. CONSTITUTION: A sensor element 1 or a sensor element group is formed of a cathode layer 12 and a cathode end connected therewith, and an anode layer 14 opposing thereto. ...  
JP3058239B2  
JP2000131180A
To obtain a device for detecting the airtightness of a can where the judgment of the airtight state of the can is accurately and securely made by hammering. Vibration force when a can 1 is hit by a hammer 2 is detected by a vibration for...  
JP2000121487A
To provide a method for inspecting a leak of an empty can or the like with which a proper judgment through leak inspection with use of a pressure air can be maintained even if a pressure sensitive sensor becomes dull or is changed in sen...  
JP3049208B2
To provide the same local bending in response to the same pressure with the looseness and flexibility of an optical fiber when assigning the optical fiber local bending corresponding to pressure. An inner cylinder pipe 7 with a flange 9 ...  
JP2000070269A
To remote control curving, advancing and retreating by analyzing an active endoscope which executes a curving action by using a shape memory alloy coil as three-dimensional shape information by a magnetic sensor and a CPU circuit. An adv...  
JP3038321B2
To measure the amount of leakage quickly and accurately by discharging a gas corresponding to a discharge flow rate that is recorded when measuring a differential pressure into a master chamber. A control part 15 closes a valve V8 and pr...  
JP3011327B2  
JP2000015722A
To realize the stable inspection of a failure due to the poor bonding between a bottom paper and a cone paper by a method wherein the leakage of a paper cup is judged on the basis of the change of the air pressure within the paper cup wi...  
JP2990524B2  
JPH11513488A
(57) It is characterized by summary book invention blowing air into groundwater, and supplying the pressure in a measurement pipe to an absolute-pressure cell about the method of measuring hydrostatic pressure, especially the hydrostatic...  
JPH11304631A
To obtain a can hitting inspection system by which a proper can be sorted by a method wherein the natural oscillation frequency of a can to which a shock is given and the displacement of the bottom of the can are detected, the positive p...  
JP2967310B2  
JPH11271162A
To measure an absolute pressure highly accurately, by setting an optical fiber which guides to a reflecting part of a diaphragm warping in accordance with a pressure to be measured, a laser light having a frequency modulated to a wavefor...  
JPH11248584A
To provide an arithmetic mechanism for instrument which can synthesize the outputs of a plurality of instruments, for example, a pressure gauge and a thermometer and can output the product of the outputs. An arithmetic mechanism has at l...  
JPH11248580A
To provide a pressure sensor which can be manufactured easily by making simpler the constitution of containers for housing the sensor sections of an optical fiber cable. Housing containers 5a, 5b,..., 5n are constituted, for example, to ...  
JPH11248581A
To provide a water pressure sensor which is provided with an optical fiber grating and measures and monitors the surface level of water by converting the fluctuation of the surface level into the fluctuation of the oscillation wavelength...  
JPH11242143A
To provide an optical fiber durable against long-term use under conditions of high temp. and high humidity by using a polyimide resin having a specified chemical structure as a coating material. The optical fiber and optical fiber clad a...  
JP2946130B2  
JPH11237299A
To automatically and relatively rapidly detect the leakage of a container. A leakage inspection device is provided with pressurization devices 2 and 4 for pressurizing a drum can 1, a pressure detection device 5 for detecting the inner p...  
JPH11237300A
To relatively easily and automatically detect the leakage of a drum can. A leakage inspection device is provided with a pressurization pipe 3 that connects a reference drum can 1 without any leakage and a drum can 2 to be inspected and h...  
JP2969297B2
PURPOSE: To exclude the effect due to the presence of the air gap between cans in measuring the internal pressure of each of continuously fed cans by receiving the infrared rays emitted from the can to be measured. CONSTITUTION: An appar...  
JPH11218457A
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...  
JPH11218458A
To stably detect the pressure of a fluid at a high accuracy, using an optical fiber and enable the batch pressure measurement at a plurality of points by connecting a plurality of pressure sensors in series to one optical fiber. A pressu...  
JPH11194062A
To provide a fuel tank sensor assembly for detecting an operation state in a fuel tank end reducing probability that liquid fuel flows from an assembly. A fuel tank sensor assembly for the fuel tank of a vehicle contains a sensor element...  
JPH11183290A
To make the constitution compact by measuring the pressure and a temperature of a plate having an electric fault by one unit in a wide range. A light emitting diode 22 emits a pulse light and introduces the light into an optical fiber 23...  
JP2948391B2
PURPOSE: To make it possible to improve the precision in measurement of a pressure inside a hermetically sealed vessel, to make an apparatus small in size and, besides, to shorten measuring time. CONSTITUTION: A vessel to be inspected (e...  
JP2912869B2  
JPH11166875A
To provide a method and a device for inspecting the internal pressure of a sealed container, whereby the condition of the internal pressure of the sealed container, such as a can, can be grasped with increased reliability from a sound pr...  
JPH11166876A
To provide a pressure-sealed partial pressure sensor which comprises a measuring head and light guide fibers coupled to the measuring head, and which is suited for determining the partial pressure of gas or vapor over a wide measuring ra...  
JP2898751B2  
JP2934415B2
To measure the amount of leakage accurately by providing a tank in vacuum state and first connecting the tank when an inspection object starts to be evacuated and rapidly evacuating the air in the inspection object. When the exchange of ...  
JPH11505921A
(57) The compensation for a summary optical fiber intensity abnormal-conditions sensor and an operating state monitoring device self-adjust light intensity, in order to be able to perform continuous proofreading of an optical fiber senso...  
JP2893324B2  
JPH11108784A
To easily identify a blocking pressure by displaying a measured instruction pressure as a blocking pressure when the continuance of the use stop state of a combustor is determined. When a pressure switch 33 is turned ON, a pressure value...  
JPH11110673A
To provide an optical pressure sensor having high accuracy and not requiring a wide area and also not being influenced by a loss accompanying the transmission of an optical signal, by using a contactless pressure sensor which is not elec...  
JPH11101704A
To provide a vacuum pressure measuring method and device for accurately and simply measuring vacuum pressure at a reduced pressure part. Water in a container 3 being connected to a reduced pressure part 1 where pressure should be measure...  

Matches 851 - 900 out of 1,699