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Patent Searching and Data


Matches 901 - 950 out of 3,588

Document Document Title
JP2000337986A
To provide a capacitive pressure detecting element which can secure good responsiveness in a high flow rate domain while maintaining sensitivity required for detecting a very small differential pressure in a low flow rate domain and, in ...  
JP3134828B2
To provide the structure of a differential pressure sensor that is suited for obtaining an accurate pressure signal and can be manufactured easily and a method for assembling the sensor. A semiconductor chip 1 with a pressure-sensitive p...  
JP2000321160A
To miniaturize a device and to easily maintain and insect the device by performing the √ conversion from the differential pressure signal of process fluid that is detected by a pressure reception part and displaying the conversion resu...  
JP3129613B2
PURPOSE: To diagnose the abnormality of a sensor so as to improve the reliability of a device by providing the sensor possessing sensibility mainly to a static pressure on a semiconductor chip, and comparing its measured signal with a st...  
JP3131374B2
To provide a differential pressure type semiconductor sensor of thin type. On the side surface of a body 2 to which a sensor chip 1 containing a pressure reception diaphragm 10a is jointed, first and second insertion openings 15 and 16 w...  
JP3129121B2
PURPOSE: To detect the clogging of a pressure introduction pipe by an apparatus easy to maintain and improve the pressure-measuring reliability, by detecting a clogging state of one or both of the pressure introduction pipes from the cor...  
JP2000314650A
To provide a capacitance-type gas/liquid detector by which a change in a capacitance caused by a liquid coming into contact with a sensor can be detected surely and easily. This gas/liquid detector 10 for an ionic liquid is provided with...  
JP3127431B2
To enable measurement with high accuracy even by a diaphragm with small pore size. Each of reference static pressure, reference differential pressure, and reference temperature is impressed on the main body of detection by a few points i...  
JP3127430B2
To prevent a transmission part from rotating to the main body at the time of receiving external forces. A tubular part 18 is protrudingly provided for the enclosure 5 of a main body 2, and this tubular part 18 is fitted into a cylindrica...  
JP3106249B2  
JP3106805B2  
JP3123314B2
PURPOSE: To prevent a center diaphragm from zero-point variation during jointing and when an excessive pressure is applied by making a pressure receiving member with a single member, arranging two sets of pressure receiving chambers, tha...  
JP3120640B2
PURPOSE: To prevent clearance corrosion from occurring by providing a space part or a qroove at the outer-periphery side of the diaphragm mounting part of a pressure reception chamber. CONSTITUTION: A pressure reception cover 8, two sepa...  
JP2000513803A  
JP2000283399A
To improve airtight performance by limiting a mechanical joint part to be only between a process connector and a transmitter by jointing stainless steel pipes to each other by welding to constitute required piping. This piping mechanism ...  
JP2000278797A
To provide a self-utterance detector that can well detect only vibration of a voice band propagated to an inner wall of an external auditory miatus. A detection section 13 made of a soft resin that is formed to have a cap form whose one ...  
JP3095025B2  
JP3094380B2  
JP3111816B2
PURPOSE: To facilitate maintenance while reducing the size and saving manhour by providing a signal processing section with a deflectable inlet for introducing time wiring of host controls. CONSTITUTION: Under a state where a transmitter...  
JP2000512379A  
JP3089834B2  
JP3089580B2  
JP3090175B2  
JP3087268B2  
JP2000241277A
To avoid standing of bubbles in a fluid within a sensor. A first substrate 1 is provided with a detection electrode 16 while a second substrate 2 is provided with a boss part 4 oppositely to the detection electrode 16 and a measuring rec...  
JP2000241290A
To determine a test time corresponding to the threshold value of pressure variation of a pressure sensor easily without relying upon calculation. The volume varying unit M comprises a body 10 having a cylinder chamber 11, a piston 20 scr...  
JP3107516B2
To realize a composite sensor which can detect by single sensor the water level and water quality or the flow rate and water quality in the water storage system such as reservoir, paddy field, etc. A first glass substrate 2 having a pres...  
JP3105087B2
PURPOSE: To obtain a differential-pressure detector, which can obtain the highly reliable detected value of differential pressure all the time without the effect of temperature change. CONSTITUTION: Liquid separating diaphragms 4 and 5 a...  
JP3105680B2
PURPOSE: To provide a miniature semiconductor differential pressure sensor having protective function for diaphragm in which a microgap can be obtained between a diaphragm and an excess pressure stopper member. CONSTITUTION: Two fluid pr...  
JP2000234978A
To provide a differential-pressure detecting device which can be miniaturized easily and which is of high reliability and to provide a fluid-pressure actuator which uses the detecting device and which is of high reliability. In this diff...  
JP3070338B2  
JP2000205985A
To reliably compensate for a zero point after assembling by arranging a means for displacing a high pressure side or low pressure side pressure receiving diaphragm by prescribed quantity by moving a high pressure side or low pressure sid...  
JP3070045B2  
JP3065792B2  
JP3067306B2  
JP2000180284A
To compensate zero point shift by obtaining the factor of a linear expression nearly approximated to the total quantity of zero point shift based on temperature change of pressure transmission liquid by computation or actual measurement,...  
JP3080212B2
To improve static pressure and temperature characteristic by providing 1st to 4th measuring chambers for forming diaphragms in a semiconductor substrate, first and second sensors for allowing the 3rd and 4th measuring chambers the to com...  
JP3047503B2  
JP2000146738A
To obtain a pressure measuring apparatus by which the damage of a liquid-contact diaphragm can be detected easily by a method wherein, in an initial state that the fluid pressure of a fluid to be measured is not applied to the liquid-con...  
JP2000146642A
To obtain a highly sensitive, highly accurate, and stable flow detection with a simple structure and at a low cost. A flow sensor is provided with both a tubular body A to convert the flow of a fluid (a) into a pressure difference ΔP be...  
JP2000146736A
To supply a pressure-detecting device that has higher productivity and reliability than before and allows the specifications of a package to be changed easily. A pressure sensor is composed of a pressure detection element 11, a sensor pe...  
JP3067382B2
PURPOSE: To obtain a high performance apparatus simple, smaller and inexpensive eliminating the need for a pressureproof case and a sealed terminal by forming a thin film-like first gap, a recess, a second gap and the like on a silicon s...  
JP2000505563A  
JP2000121409A
To provide a device and method for diagnosing the obstacle of a purge type instrument for quickly and efficiently diagnosing the obstacle of a purge tube based on a signal from a purge type instrument at the time of the normal operation ...  
JP2000121475A
To provide an electrostatic capacity type pressure detector which facilitates connection work of its terminals to an external circuit, simplifies its external circuit side construction, and makes it possible to compute the pressure of a ...  
JP2000088736A
To permit the numerical determination of the degree of blocking and location of a fin, etc., by pressing a pressure detecting opening against a micro ventilation space as delivering pressurized air into a measuring container, detecting t...  
JP2000503766A  
JP3025313B2  
JP3022618B2  
JP2000081357A
To provide a differential pressure detector for detecting a micro pressure difference with high accuracy through a simple structure. The differential pressure detector comprises a first diaphragm (A) 3 forming a first air chamber, a seco...  

Matches 901 - 950 out of 3,588