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Patent Searching and Data


Matches 601 - 650 out of 3,711

Document Document Title
JP2009133755A
To protect more surely a battery stored in a field device.In a differential pressure transmitter D1 operated by the power of the battery B, equipped with a measuring circuit board 11 for measuring a prescribed process quantity relative t...  
JP4278549B2  
JP2009128329A
To provide a pressure measuring instrument improved in a difference of pressure transmission speeds of high pressure side and the low pressure side when a static pressure is varied.The pressure measurement instrument includes:a first pre...  
JP4272525B2  
JP2009520206A  
JP2009085769A
To provide an apparatus for measuring fluid inside a pipe line and a clogging diagnosing system, capable of accurately diagnosing clogging in a connecting pipe at all times, without being affected by process flow rates or process states....  
JP4249891B2  
JP4248352B2  
JP4240267B2  
JP2009053083A
To provide a pressure sensing device and a pressure sensing system capable of detecting clogging of a connecting pipe, at low cost and at a high sensitivity.A differential-pressure/pressure transmitter 2 as a pressure detector, is provid...  
JP2009025240A
To provide an optical differential pressure measuring method and an optical differential pressure sensor having large sensitivity to fine pressure variation and capable of precisely measuring the fine pressure variation on a surface of a...  
JP2009019988A
To provide a pressure gauge reducing the weight and the manufacturing cost.The pressure gauge the flange of which is installed to the main body capsule comprises: a female screw provided in the main body capsule to install a high-pressur...  
JP4216628B2  
JP2008304245A
To provide a pressure sensor capable of reducing the influence, when different influences due to external stresses, such as, vibrations received by a plurality of sensor chips having each protective member provided on a pressure-receivin...  
JP2008292217A
To provide a diaphragm seal type pressure measuring device which reduces leakage amounts of liquids put inside a first and a second connecting pipe and sealed, when the first and second connecting pipes are separated at an attaching/deta...  
JP2008292185A
To achieve a differential pressure transmitter capable of preventing breaking of a differential pressure sensor due to sudden change of a differential pressure.This differential pressure transmitter is provided with a differential pressu...  
JP2008542726A  
JP2008542717A  
JP2008286802A
To provide pressure sensing diaphragms, formed by the smooth surface (12), which deflect in response to local pressures against the surface to enable the measurement of unperturbed local pressures of materials sheared between plates and ...  
JP4186824B2  
JP4177047B2  
JP2008256370A
To provide a differential pressure monitoring panel that indicates a differential pressure meter accurate and stabilizing the indication, even immediately after switching operation, despite the case of employing only a single differentia...  
JP4163880B2  
JP4159991B2  
JP2008216114A
To provide a pressure sensor capable of detecting not only a differential pressure but also an absolute pressure.The pressure sensor acquires a differential pressure of each pressure introduced to each pressure introduction port 11, 12 b...  
JP2008209385A
To provide a semiconductor sensor for spreading the range of fluid and flow rate to be measured, by preventing corrosion due to the penetration of fluid and damage due to the pressure of fluid.The semiconductor sensor 1 includes at least...  
JP2008196960A
To provide a semiconductor sensor capable of measuring a differential pressure between two spaces.This semiconductor sensor is equipped with a semiconductor substrate and a pressure-receiving member bonded to the semiconductor substrate....  
JP2008185388A
To provide a fine differential pressure gage hardly influenced by a temperature change inside/outside an apparatus, capable adjusting a zero point more accurately with a simple structure, and resultantly measuring a fine differential pre...  
JP4124967B2  
JP4112840B2  
JP4103028B2  
JP2008128979A
To provide a differential pressure sensor usable favorably even in combustion gas or the like, and allowing precise measurement by simple constitution.This differential pressure sensor outputs, as a detection result, an electrification q...  
JP4086423B2  
JP2008511005A  
JP4046078B2  
JP4044307B2  
JP4040971B2  
JP2008008762A
To provide a pressure sensor which makes the same the sizes of thermal stresses applied on first and second pressure detection parts.The pressure sensor S1 comprises: a case 10; first and second sensor chips 20 and 30 stored in the insid...  
JP4035261B2  
JP2007333414A
To provide a differential pressure measuring system capable of accurately optically measuring differential pressure by reducing optical loss of irradiating light. The system includes: a light source 114 for emitting irradiating light; a ...  
JP2007327976A
To provide an easily-manufacturable pressure sensor capable of providing an excellent temperature characteristic and a wide measuring pressure range, and miniaturizing a package. A differential pressure sensor chip 4 includes a diaphragm...  
JP2007322264A
To achieve a transmitter with a diaphragm seal for enhancing and ensuring a strength of pressure extraction piping. The transmitter with the diaphragm seal comprises a pressure receiving diaphragm block to which a pressure receiving diap...  
JP2007322296A
To prevent intrusion of, for example, corrosive exhaust gas into a pressure detector 2. This differential pressure detection device equipped with the pressure detector 2 for detecting a pressure between a pair of detection ports 3, 4 has...  
JP4021957B2  
JP4013755B2  
JP2007292733A
To detect accurately the clogging state of a connecting tube without being influenced by the flow rate of fluid. A device includes a differential pressure detection means for detecting a differential pressure of the fluid based on a high...  
JP3999599B2  
JP3999600B2  
JP2007529742A  
JP2007528501A  

Matches 601 - 650 out of 3,711