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JPS6488224A |
PURPOSE:To easily set sensitivity by performing the transmission of pressure to a photoelastic material using a continuous body such as a liquid, by inputting light to the photoelastic material and detecting the rotation of a plane of po...
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JPH0115008B2 |
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JPS6466532A |
PURPOSE:To achieve a pressure measurement in a wide range from a very low to high level, by detecting an attenuation value of an ultrasonic wave when it is transmitted through a liquid to be measured. CONSTITUTION:An ultrasonic wave tran...
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JPS646691B2 |
This specification discloses an absolute pressure sensor and measuring technique using an electrochemical apparatus as a feedback element in an oscillator circuit. The sensor needs no reference pressure or reference vacuum. Contributing ...
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JPS646688B2 |
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JPS6410968A |
PURPOSE: To prevent deformation of containers, by detecting the deformation of the containers with impedance and regulating the pressure in a retort according to the detected impedance in thermally sterilizing hermetically sealed contain...
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JPS645139U |
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JPS6367845B2 |
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JPS63311137A |
PURPOSE:To simplify the manufacturing process and the constitution of a sensor, by providing a pressure applying means, which is arranged on one light path of two light paths and changes the phase constant of the light path with pressure...
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JPS6360327B2 |
© A photo transducer circuit (30) selectively controls the current which is transmitted between power terminals (32, 34). A light emitter (20) transmits light to a first photo receiver (24) and a second photo receiver (26). A vane (16) ...
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JPS6360334B2 |
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JPS6359090B2 |
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JPS6353520B2 |
PURPOSE:To inspect a pressure in an enclosed vessel by a nondestructive means, by a method wherein a given ratio of a radiation gaseous substance is mixed in a gaseous substance with which an enclosed vessel is filled, and after sealing,...
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JPS6353486B2 |
The present invention relates to a system for measuring from the outside a pressure within the heart in a living body or a pressure in a body of the industrial field which does not allow measurement by directly inserting a pressure measu...
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JPS63253228A |
PURPOSE:To easily measure pressure by applying the pressure to a coloring body which colors when applied with pressure through a pressure reception part and measuring its degree of coloring. CONSTITUTION:The screw part 2 of a cylinder bo...
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JPS6351243B2 |
An optical fiber having at least two cores positioned in a common cladding can be fabricated to be responsive to strain or hydrostatic pressure but not to temperature through the selection of materials, spacing and shape of the cores and...
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JPS63241339A |
The invention relates to a method and to apparatus for remotely measuring the distribution of a physico-chemical parameter in a medium. The method consists in exciting measurement points (20) situated in a medium (17) in succession via a...
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JPS63205534A |
PURPOSE:To widen the detection range of pressure and to hold reliability for a long period by displacing a magnetic means by variation in pressure and converting it into variation of the magnetic field in a magneto-optical element. CONST...
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JPS6342732B2 |
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JPS6330987Y2 |
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JPS63186117A |
PURPOSE:To measure pressure with high accuracy by simple structure by detecting a component in a specific direction of a birefringent index elliptic body as light intensity. CONSTITUTION:Laser light emitted by a semiconductor laser gener...
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JPS63171336A |
PURPOSE:To enable internal pressure to be determined in stable condition and with high reliability by locally pressing from outside the drum wall portion of a hermetically sealed container with positive internal pressure by prescribed pr...
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JPS63157027A |
PURPOSE:To obtain a high-accuracy pressure transducer which is not affected by temperature by providing a reference light source, an optical branching filter, a phase compensator, a pressure receiving plate, an optical multiplexer, and a...
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JPS6322531B2 |
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JPS6399839A |
A miniaturized pressure transducer is disclosed wherein light transmitted through a single optical fiber (F') is reflected by a diaphragm exposed to and deflected in accordance with the pressure being measured. The terminal end of the fi...
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JPS6318417B2 |
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JPS6317166B2 |
In a system for measuring the pressure of a gas sealed in a lamp, a laser beam emitted from a laser unit and converged by a convergent lamp is split by a first half mirror into first and second laser beams. The first laser beam is focuse...
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JPS6315538B2 |
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JPS6310773B2 |
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JPS62294928A |
PURPOSE: To increase a detecting accuracy by a simple construction by providing an optical attenuator composed of an elastomer wherein a coloring matter is dispersed in a light path so that the elastomer can detect a pressure change as a...
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JPS62274206A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6255092B2 |
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JPS62265547A |
PURPOSE: To perform high-accuracy conversion by converting an acoustic wave into an electric signal by utilizing dielectric constant disturbance from the reflected wave or transmitted wave of a microwave due to the disturbance of a mediu...
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JPS62263514A |
An improved pressure transmitter having a body (112) with signal pressure responsive means (128) and output pressure means having pressure responsive means (166), a supply of fluid pressure to said output pressure means, and adjusting me...
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JPS6252808B2 |
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JPS6236113Y2 |
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JPS6240649B2 |
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JPS62195531A |
A sensor comprises a beam 1, e.g. of silicon, which resonates at a frequency dependent on the force imposed on the beam. Light on line 11 induces resonance of the beam 1 by means of the photothermal effect. The light reflected from the b...
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JPS6235049B2 |
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JPS62156533A |
PURPOSE: To obtain a pressure detector usable even in the high temperature with the low cost by detecting an electric current flowing in a solid electrolytic oxygen pump element and outputting a signal in accordance with the pressure of ...
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JPS62138732A |
PURPOSE: To decide whether or not the internal pressure in a sealed container is proper or not without reference to the positioning accuracy of the container by measuring the quantity of stress nearby the center part of the lid part of t...
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JPS6223804B2 |
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JPS6217692B2 |
Apparatus for measuring the value of a fluid variable comprises a vibrator tube through which the fluid may be passed and which is mounted for clamped-clamped flexural vibration in a holding structure whose stiffness is at least 40% grea...
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JPS6249744U |
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JPS626174B2 |
Surface acoustic waves are propagated across a thin, flexible diaphragm which is subjected to an applied external pressure. Since the wave velocity and path length vary with diaphragm deformation, the acoustic wave delay time is a functi...
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JPS6228631A |
PURPOSE: To easily measure the pressure of a high-temperature gas, by providing two oxygen partial pressure detecting cells among a standard gas space, gas space to be measured, and atmosphere changing space. CONSTITUTION: The 1st oxygen...
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JPS6228632A |
PURPOSE: To make accurate nondestructive measurement for the internal pressure of a closed vessel, by closely contacting the opening section of a measuring chamber with the outer surface of a thin film which at least constitutes part of ...
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JPS6218637U |
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JPS6212827A |
PURPOSE: To detect the combustion pressure accurately even under the bad environment due to a temperature variation or the like by correcting the combustion pressure based on the output of a photodetector under a specific engine state. C...
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JPS61258115A |
A current-pressure transducer, in particular for a vacuum control in automotive vehicles, is developed with a chamber (11) which is provided with a connection (18) for supply vacuum, with a connection (19) for removal of control pressure...
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