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7616425 Photo-sensitive MEMS structure  
A heat-sensitive apparatus includes a substrate with a top surface, one or more bars being rotatably joined to the surface and having bimorph portions, and a plate rotatably joined to the surface...
7586749 Protecting casing for transducer  
A protecting casing for a transducer has an outer casing, an inner casing, a circuit board and a connector. The inner casing is detachably mounted in the outer casing and has a mounting hole and a...
7568395 Pressure sensor with dual chambers  
The present invention relates to a pressure sensor. The pressure sensor includes a substrate assembly. The substrate assembly defines sealed channels and includes a conductive layer. A conductive...
7546772 Piezoresistive pressure sensor  
A pressure sensor includes a housing portion with a fluid inlet and a polymer element within the housing portion. The polymer element may be coated with piezoresistive material to form a first...
7533573 Pressure sensor including temperature adjustment  
A pressure sensor for sensing a fluid pressure comprising: a first chamber including a first conductive membrane, wherein a fluid is sealed within the first chamber at a reference pressure such...
7530275 Pressure sensor set in an opening of a wall  
The invention refers to a pressure sensor comprising a membrane which separates a measuring device receiving the deformation of the membrane caused by pressure from the pressurised pressure space. ...
7530276 Semiconductor pressure sensor and manufacturing method thereof  
This invention aims to realize reduction in size without impairing measurement accuracy or connection reliability in a semiconductor pressure sensor in which a glass substrate is adhered to a...
7516667 Differential pressure sensor having symmetrically-provided sensor chips and pressure introduction passages  
A differential pressure sensor includes a case, a first and a second pressure sensing element, a first and a second pressure introduction passage, and a differential pressure determining element....
7516669 Capacitance sensing circuit for a pressure sensor  
The invention provides for a capacitance sensing circuit for a pressure sensor. The pressure sensor includes a sensor membrane and a compensation membrane. The circuit includes a controller...
7509867 Bioinformation detection device utilizing air pressure variation  
A bioinformation detection device, comprising a three-layer structure having a base, an elastic body, and a cover body, wherein a closed space is formed by a load applied to the structure, a strain...
7472600 Pressure sensor  
The invention relates to a pressure sensor ( 1 ), comprising a housing ( 2 ), a housing element ( 3 ) which may be exposed to a pressure chamber ( 10 ), mounted on the housing ( 2 ) by means of a...
7461558 Capacitive pressure sensor with sealed reference chamber  
A capacitive pressure sensor includes a substrate assembly. The substrate assembly includes a conductive layer and defines a plurality of channels terminating in closed ends. A conductive membrane...
7458272 Capacitative pressure sensor with ceramic membrane  
A pressure sensor for sensing a fluid pressure in harsh environments such as the air pressure in a tire formed on a wafer substrate. Associated circuitry deposited in CMOS layers on the wafer...
7454976 Pressure sensor for a vehicle  
A pressure sensor includes a case with an air passageway having a first opening leading to an inside of the case and a second opening leading to an outside of the case, pressure sensing means that...
7451654 Constant power dissipation in capacitance pressure transducers  
A system and method are described for maintaining power dissipation substantially constant across the sensor interface board of a capacitance pressure transducer. A shorted diaphragm level detector...
7446994 Variable capacitor and manufacturing method thereof  
A lower movable electrode 35 , having line sections 35 a , 35 a on both ends and a capacitor section 35 b in the center, and an upper movable electrode 37 , having line sections 37 a , 37 a ...
7437936 Window for measuring device  
The present disclosure provides for systems and methods for fabricating measuring devices, e.g., a pressure gauge, thermometer or the like. More particularly, the present disclosure provides for...
7418871 Method for detecting a pressure of a medium and pressure measuring device  
A pressure measuring device for detecting a pressure to be measured of a medium, having a pressure housing; a converter situated in the pressure housing for converting a mechanical force produced...
7412892 Method of making pressure transducer and apparatus  
A method for making a pressure transducer comprising: forming a recess in a diaphragm, the diaphragm having a thinned region that deflects responsively to pressure being applied thereto; depositing...
7404330 Pressure sensor  
A pressure sensor includes a metal housing and a semiconductor chip. The housing has a diaphragm unitary with the housing and an inlet for introducing fluid to the diaphragm. The inlet has a first...
7400488 Variable capacitance membrane actuator for wide band tuning of microstrip resonators and filters  
A device for varying the capacitance of an electronic circuit is disclosed. The device comprises a flexible membrane located above the electronic circuit, a metal layer connected to the flexible...
7395716 Variable capacitance measuring device  
A variable capacitance measuring device can comprise any one or more features in various different embodiments allow a reliable, compact device to be achieved. A capacitor electrode, a gettering...
7382599 Capacitive pressure sensor  
A capacitive pressure sensor is provided. The capacitive pressure sensor includes a glass substrate that has a pair of surfaces facing each other. A first silicon substrate has a fixed electrode...
7360431 Pressure sensor device including a diaphragm and a stopper member having a curved surface facing the diaphragm  
The pressure sensor device has a laminated diaphragm ( 12 ) in which a strain resistance gauge is formed in a surface and a stopper member ( 13 ) including a concave portion forming a curved...
7347110 Tactile sensing device and an apparatus using the same  
The present invention provides a tactile sensing device comprising a tactile sensing layer, a pressure adjusting unit, at least one pressure sensing unit and a control unit. The tactile sensing...
7345867 Capacitive pressure sensor and method of manufacturing the same  
A capacitive pressure sensor and method of manufacturing the same is provided. The capactive pressure sensor includes a glass substrate that has a pair of surfaces opposite to each other. A...
7345866 Continuously tunable RF MEMS capacitor with ultra-wide tuning range  
A method is provided of continuously varying the capacitance of a MEMS varactor having a cantilever assembly mounted on a base portion, the cantilever assembly having a first capacitance plate and...
7331238 Pressure detection device  
A pressure detection device includes a case unit which has therein an accommodation space and a pressure introduction passage, and a pressure detection unit having a detection surface for detecting...
7325457 Sensor and sensor module  
A sensor and sensor module with small power consumption and high reliability are disclosed. The sensor includes a capacitor having a capacitance varying with a physical quantity, a...
7308830 Pressure sensor fault detection  
A diagnostic system for a pressure sensor having a cavity configured to receive on applied pressure is provided. The cavity has a first and a second wall. A deflectable diaphragm is positioned in...
7278321 Pressure sensor  
A pressure sensor for sensing a pressure level of a medium. The pressure sensor includes a rigid substrate having a medium contacting side and a pressure sensitive resistor mounted on the medium...
7260996 Pressure measuring apparatus and pressure sensor thereof  
The present invention relates to a pressure measuring apparatus, characterized in that: the pressure measuring apparatus comprises a pressure sensor having a first resistor for sensing an external...
7260994 Low cost high-pressure sensor  
A pressure sensing apparatus including a thin disc of a metal having a ceramic material layer and piezoresistive elements formed thereon. A surface of the disc is bonded to a diaphragm assembly on...
7254008 Integrated capacitive microfluidic sensors method and apparatus  
A microfluidic device and method for capacitive sensing. The device includes a fluid channel including an inlet at a first end and an outlet at a second end, a cavity region coupled to the fluid...
7249515 Capacitive pressure sensor  
For minimizing the span error of a pressure sensor having an essentially cylindrical platform and a measuring membrane joined to an end face of the platform, with the pressure measuring cell being...
7242570 Vacuum capacitor  
A vacuum capacitor including an insulating cylinder having first and second ends which are opposite to each other. A stationary-side flange is installed to the first end of the insulating cylinder....
7201057 High-temperature reduced size manometer  
A pressure-sensing device and method for making and using such device having a temperature differential between two portions of the device is disclosed. A solid-state heat pump, such as a...
7181975 Wireless capacitance pressure sensor  
A wireless pressure sensor system has a pressure sensing capacitor and an inductor mounted on a common housing. The pressure sensing capacitor has a conductive diaphragm, a dielectric layer and a...
7171856 Electrical shield structure for pressure sensor  
A pressure sensor includes a case having a concave portion, a sensing portion disposed in the concave portion to output an electrical signal proportional to an applied pressure, a circuit portion...
7159465 Fluororesin thin film diaphragm pressure sensor and method of fabricating the same  
The present invention provides a highly corrosion-resistant diaphragm pressure sensor capable of obviating the effects of temperature drift that arises when a pressure-travel coefficient changes...
7153383 Weight sensor  
The invention provides a weight sensor ( 10 ) which includes a first electrically conductive sheet ( 12 ) electrically isolated from a second electrically conductive sheet ( 14 ) by inserts of a...
7150197 Capacitive pressure sensor  
For minimizing the span error of a pressure sensor having an essentially cylindrical platform and a measuring membrane joined to an end face of the platform, wherein the pressure measuring cell is...
7093495 Pressure sensor  
A pressure sensor for sensing a pressure level of a medium. The pressure sensor includes a rigid substrate having a medium contacting side and a pressure sensitive resistor mounted on the medium...
7086287 Electrostatic condenser type pressure sensor, and method for manufacturing the pressure sensor  
The present invention provides a small-sized electrostatic condenser type pressure sensor having high assembly accuracy but no dispersion in a detection accuracy, and a method for manufacturing the...
7085628 Apparatus for the correction of temperature drift for pressure sensor, pressure control apparatus and pressure-type flow rate control apparatus  
A pressure sensor, a pressure control apparatus, and a flow rate control apparatus are provided to automatically correct temperature drift of the pressure sensor and accurately detect pressure...
7082834 Flexible thin film pressure sensor  
Low pressure sensing and imperviousness to corrosion and to the effects of harsh environments are achieved in a pressure sensor that employs a flexible membrane supporting piezoresistive elements....
7083737 Method for manufacturing a micro-actuator  
A micro-actuator having a stage capable of a see-saw motion and a method for its manufacture are disclosed. In the micro-actuator according to the present invention, a plurality of parallel driving...
7061745 Variable capacitor adjustable by linear motor  
The disclosure describes a variable capacitor device, which is formed by a linear motor and a variable capacitor having at least one stator electrode and a movable electrode. A piezoelectric...
7042699 Vacuum variable capacitor  
A vacuum variable capacitor is includes of a vacuum container which is formed by sealing both end of a cylindrical insulator with a fixed-side end plate and a movable-side end plate, a movable...
7031136 Variable capacitors, composite materials  
Tunable capacitors ( 10, 20, 30, 40 ) have a dielectric material ( 16, 26, 36, 42 ) between electrodes, which dielectric material comprises an insulating material ( 17, 27, 37, 42 ) and...
Matches 1 - 50 out of 242 1 2 3 4 5 >