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Patent Searching and Data


Matches 401 - 450 out of 3,711

Document Document Title
JP2014048292A
To provide a pressure sensor with a differential capacitive output.A MEMS pressure sensor device is provided that can provide both a linear output with regard to external pressure and a differential capacitance output so as to improve th...  
JP5439716B2  
JP5430700B2  
JP5424415B2  
JP2014032186A
To properly detect a reference pressure for controlling a room pressure.A fine differential pressure transmitter includes: a differential pressure detection part for detecting a difference between pressure used as a reference and pressur...  
JP5416967B2  
JP5409965B2  
JP2014016350A
To provide a method for correcting an offset for a pressure difference measured using a differential pressure sensor situated in an air duct.A method for canceling an offset 100 by an output signal 96 of a pressure sensor 88, 90, 94 incl...  
JP5403858B2  
JP2014006141A
To improve earthquake resistance of a pressure sensor device.In the pressure sensor device, a first mounting part is provided on a side wall surface on a long-side side of a housing so that the whole of a fixing hole of the first mountin...  
JP2014006135A
To improve connection strength of wire bonding.The pressure sensor device comprises: a housing which has a first pressure introduction passage, a second pressure introduction passage, and a connector part; a first pressure detection elem...  
JP2013257225A
To provide a pressure transmitter improved in hydrogen blocking effect and reduced in susceptibility to the influence of hydrogen permeation by appropriately designing the fixed structure of a diaphragm coated with a hydrogen blocking fi...  
JP5365456B2  
JP2013542429A  
JP2013234959A
To provide a pressure sensor capable of downsizing a frame while protecting gauge resistor formation surfaces.Two sensor chips (11, 12) respectively include diaphragms (23, 33) and gauge resistors (24, 34) formed on surfaces (20, 30) opp...  
JP5343837B2  
JP5343677B2  
JP5329757B2  
JP5330703B2  
JP5309277B2  
JP5309276B2  
JP5302164B2  
JP5302178B2  
JP2013190325A
To provide a differential pressure transmitter which achieves further miniaturization of a body by decreasing a diameter of a pressure sensing diaphragm without causing problems such as hydrogen permeation and cracks.A sensor chip 11 is ...  
JP2013190343A
To reduce generation of stress due to restraint of a sensor diaphragm to secure expected proof pressure.Of an area S1 of a peripheral part 11-2c of stopper members 11-2 facing one surface of a sensor diaphragm 1-1, an area S1a on the out...  
JP2013185873A
To prevent peeling in a joint part inside a sensor chip.A first conduit member 12 is joined with one surface of a sensor chip 11. A second conduit member 13 is joined with the other surface of the sensor chip 11. At a predetermined inter...  
JP2013185917A
To increase the total number of sensor pairs satisfying specifications of measurement accuracy determined to different output, and to decrease the number of sensor single bodies which are waisted by finding no pair.For example, if a phys...  
JP2013185970A
To obtain desired frequency characteristics while reducing a detection error or oscillation by disturbance.A pressure sensor includes a detection circuit for detecting a difference between an output of a first pressure fluctuation sensor...  
JP2013181949A
To completely prevent a junction of a sensor chip from being peeled off.A differential pressure transmitter is provided with: a P1 side protective pressure-receiving diaphragm 14a branching and receiving a measurement pressure P1; a P2 s...  
JP2013181952A
To immediately learn abnormalities such as peeling and breakage of a junction of a sensor chip.In a differential pressure sensor 200 including a sensor chip 3 joined to a wall surface 1-1a of a partition wall 1-1 located on the side of a...  
JP2013181947A
To fill encapsulation liquid to a detailed part of the end of an encapsulation path of a miniaturized workpiece without increasing a size of a device.An internal space of a device body 1 is partitioned by a diaphragm 10 to form an encaps...  
JP2013181951A
To make peel-off of a junction of a sensor chip hardly occur.A differential pressure sensor 200 is provided with a sensor chip 3 joined onto a wall surface 1-1a of a partition wall 1-1 positioned on the side of a first space 1-2, so that...  
JP2013181950A
To eliminate a zero point adjustment mechanism of a differential pressure sensor, to eliminate necessity to adjust a zero point as an independent process after completion of assembly of the differential pressure sensor, and to guarantee ...  
JP2013535016A  
JP2013174449A
To provide a differential pressure measurement device having a welded section which is resistant to stress corrosion cracking at low cost.A differential pressure measurement device has a tabular pressure sensing block, a thin and tabular...  
JP2013170978A
To determine normality or abnormality of a differential pressure-pressure composite sensor on the basis of a single evaluation indicator.A method includes: fully closing a flow rate control valve and then letting a secondary side open to...  
JP2013533974A  
JP5268963B2  
JP2013156196A
To provide a pressure sensor which has high accuracy, high reliability, and especially high moisture resistance without pressure sensitivity changing according to the change in environmental conditions.A pressure sensor 10 includes: a pr...  
JP2013156197A
To provide a pressure sensor, a pressure gauge, and an electronic apparatus which have high accuracy, high reliability, and especially high moisture resistance without pressure sensitivity changing according to the change in environmenta...  
JP5265683B2  
JP2013531791A  
JP2013531255A  
JP5253110B2  
JP2013528803A  
JP5231566B2  
JP5224098B2  
JP5227729B2  
JP5227730B2  
JP2013524215A  

Matches 401 - 450 out of 3,711