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US20150101415 Measuring arrangement with a ceramic measuring cell  
A measuring arrangement with a ceramic measuring cell and a metal process connection for connecting the measuring cell to a measuring environment, with the measuring cell being fastened in the...
US20120174681 CAPACITIVE CERAMIC PRESSURE MEASURING CELL AND PRESSURE SENSOR WITH SUCH A PRESSURE MEASURING CELL  
A capacitive pressure measuring cell, including a ceramic platform and a ceramic measuring membrane, which are connected pressure tightly along a joint to form a reference pressure chamber between...
US20080173089 Transducing system with integrated environmental sensors  
A transducing system includes a support structure configured to support a transducer and includes at least one environmental sensor carried by the support structure. The environmental sensor may...
US20110154905 CAPACITIVE SENSOR AND MANUFACTURING METHOD THEREOF  
A capacitive sensor includes a substrate, at least one first electrode, at least one second electrode, a sensing device, at least one anchor base, at least one movable frame, and a plurality of...
US20140309577 SMART SHUNT DEVICES AND METHODS  
Devices and methods for the measurement and control of fluid using one or two capacitors are described. The devices use Micro-Electro-Mechanical-Systems (MEMS) and radio-frequency inductive...
US20110056302 ELECTRONIC CIRCUIT FOR CONTROLLING A CAPACITIVE PRESSURE SENSOR AND CAPACITIVE PRESSURE SENSOR SYSTEM  
An electronic circuit (10) for controlling a capacitive pressure sensor (1), which capacitive pressure sensor (1) comprises a plate electrode capacitor (C) with a capacity that varies in...
US20120132006 CAPACTIVE PRESSURE SENSOR INCORPORATING A TEMPERATURE MEASUREMENT AND COMPATIBLE WITH HOT ENVIRONMENTS  
A capacitive measurement device including first measurement device designed to carry out a first measurement function in relation to a nearby object, the first measurement device including a body...
US20130233086 MEMS CAPACITIVE PRESSURE SENSOR  
A pressure sensor measures pressure by measuring the deflection of a MEMS membrane using a capacitive read-out method. There are two ways to implement the invention. One involves the use of an...
US20110100130 MEASURING CELL AND A METHOD OF USE THEREFOR  
The present invention is a measuring cell with a base body, a measurement membrane which is arranged on the base body, and a measurement device, where a clearance between the measurement membrane...
US20100300208 CAPACITIVE ELECTRO-MECHANICAL TRANSDUCER  
A capacitive electro-mechanical transducer includes a cell, the cell including a first electrode and a second electrode that is disposed opposite the first electrode with a gap therebetween; and a...
US20150226624 PRESSURE SENSOR  
A microelectromechanical pressure sensor structure wherein the length of the diaphragm is at least three times the width of the diaphragm. The oblong diaphragm experiences a minimized difference...
US20110000303 MONOLITHIC VACUUM MANOMETER UTILIZING ELECTROSTATIC INTERFERENCE AS A MEANS OF DETECTION  
A monolithic manometer and method of sensing pressure changes may include sensing a change in parasitic capacitive coupling between multiple parasitic capacitive coupled conductive elements in...
US20120167659 PRESSURE SENSOR WITH PRESSURE-ACTUATED SWITCH  
Various embodiments relate to a pressure sensor and related methods of manufacturing and use. A pressure sensor may include an electrical contact included in a flexible membrane that deflects in...
US20140174189 DROPLET-BASED CAPACITIVE PRESSURE SENSOR  
A pressure sensing apparatus which utilizes an electrolytic droplet retained between a first and second sensing electrode within a housing. Contact between the electrolyte droplet and the...
US20120247218 Absolute Capacitive Micro Pressure Sensor  
An absolute capacitive micro pressure sensor including a pressure sensor element with a mechanically fixed electrode and a deflectable pressure sensor membrane separated from the fixed electrode...
US20140069199 CAPACITIVE PRESSURE SENSOR  
High temperature pressure sensing devices and methods are disclosed. In some embodiments, a high temperature pressure sensor including intrinsic zero output and span correction versus temperature...
US20140069198 CAPACITIVE PRESSURE SENSOR  
High temperature pressure sensing devices and methods are disclosed. In some embodiments, a high temperature pressure sensor including intrinsic zero output and span correction versus temperature...
US20140069197 CAPACITIVE PRESSURE SENSOR  
High temperature pressure sensing devices and methods are disclosed. In some embodiments, a high temperature pressure sensor including intrinsic zero output and span correction versus temperature...
US20110071775 PRESSURE MEASUREMENT USING A MEMS DEVICE  
A device to measure pressure is disclosed. In one embodiment, the device includes at least one element with two layers separated by a space which changes over a variable time period in response to...
US20130000411 PRESSURE MEASUREMENT DEVICE HAVING AN OPTIMIZED SENSITIVITY  
A MEMS and/or NEMS pressure measurement device comprising a deformable membrane suspended on a substrate, one of the faces of the membrane being intended to be subjected to the pressure to be...
US20140060169 PRESSURE SENSOR WITH 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 the signal amplitude level....
US20090260447 DIAPHRAGM ATTACHING STRUCTURE OF ELECTROSTATIC CAPACITY TYPE PRESSURE GAGE  
The present invention provides a diaphragm attaching structure of an electrostatic capacity type pressure gauge which can achieve an improvement of a measuring precision by inhibiting a poor weld...
US20100199778 CAPACITIVE PRESSURE SENSOR  
A pressure sensor includes a platform 1 and an elastic measuring membrane 2, which is joined with a surface of the platform 1 to form a measuring chamber 3 sealed closed at the edge, wherein the...
US20140260647 PRESSURE SENSOR STABILIZATION  
A pressure sensor is provided which produces a measurement of the displacement and a measurement of a natural frequency of the diaphragm which are then combined to produce a compensated...
US20090260448 Apparatus for Measuring Pressure by Using Diaphragm and Method of Pressure Measurement by Using Diaphragm  
The present invention relates to a capacitance type pressure measurement apparatus by using a diaphragm, and more specifically to an apparatus for measuring pressure by using a diaphragm capable...
US20120118067 Capacitive Pressure Sensor with Improved Electrode Structure  
An improved capacitive manometer comprises a diaphragm that is constrained relative to an electrode structure spaced from the diaphragm. An electrode support structure is arranged to support the...
US20090301211 CAPACITANCE TYPE PRESSURE SENSOR  
A capacitance-type pressure sensor for measuring a change in a physical volume of a medium to be measured, by measuring two capacitances wherein the capacitances vary differently from each other...
US20130152694 SENSOR WITH VACUUM CAVITY AND METHOD OF FABRICATION  
A MEMS pressure sensor device comprises a sensor element positioned on top of a carrier and a cavity. The sensor element hermetically seals the cavity. An electrode is coupled to the cavity that...
US20150253212 MEMS DEVICE  
According to one embodiment, a MEMS device includes a variable capacitor including a lower electrode fixed to a substrate and a movable upper electrode provided above the lower electrode, a...
US20150122040 Pressure Measuring Device  
A pressure measuring device, comprising: a pressure measuring cell having a measuring membrane, at least one platform and a pressure chamber formed therebetween. An electrical transducer for...
US20130137958 MICROFABRICATED IMPLANTABLE WIRELESS PRESSURE SENSOR FOR USE IN BIOMEDICAL APPLICATIONS AND PRESSURE MEASUREMENT AND SENSOR IMPLANTATION METHODS  
A variable capacitor, a microfabricated implantable pressure sensor including a variable capacitor and an inductor, and related pressure measurement and implantation methods. The inductor may have...
US20110209552 RELATIVE PRESSURE SENSOR  
A relative pressure sensor for registering pressure of a medium relative to surrounding atmospheric pressure includes: a pressure measuring cell having a measuring membrane and a platform, wherein...
US20150185100 Method and Apparatus for Damping Diaphragm Vibration in Capacitance Diaphragm Gauges  
A system and method mitigate the effects of these external vibrations on a capacitance diaphragm gauge by sensing the motion of the diaphragm at the first natural frequency of the diaphragm of the...
US20140224027 Method and Apparatus for Damping Diaphragm Vibration in Capacitance Diaphragm Gauges  
A system and method mitigate the effects of these external vibrations on a capacitance diaphragm gauge by sensing the motion of the diaphragm at the first natural frequency of the diaphragm of the...
US20140020471 CARBON NANOTUBE TEMPERATURE AND PRESSURE SENSORS  
The present invention, in one embodiment, provides a method of measuring pressure or temperature using a sensor including a sensor element composed of a plurality of carbon nanotubes. In one...
US20090114029 ELECTROSTATIC CAPACITANCE DIAPHRAGM TYPE PRESSURE SENSOR  
An electrostatic capacitance diaphragm type pressure sensor which includes a stationary electrode and a diagraph that are arranged to oppose each other, and in which the diaphragm is deformed by...
US20130118265 MEMS CAPACITIVE PRESSURE SENSOR, OPERATING METHOD AND MANUFACTURING METHOD  
A MEMS pressure sensor wherein at least one of the electrode arrangements comprises an inner electrode and an outer electrode arranged around the inner electrode. The capacitances associated with...
US20120017691 ELECTROSTATIC CAPACITIVE PRESSURE SENSOR  
In an electrostatic capacitance pressure sensor provided with a pressure sensor chip of a diaphragm structure for detecting an electrostatic capacitance in accordance with a pressure of a medium...
US20100083731 Pressure-based diagnostic system for process transmitter  
A process transmitter for measuring a process variable in an industrial process comprises a gauge pressure sensor, an excitation source and transmitter circuitry. The gauge pressure sensor...
US20130042693 CANNULA ASSEMBLIES AND AMBULATORY INFUSION SYSTEMS WITH PRESSURE SENSORS MADE OF STACKED COPLANAR LAYERS  
Cannula assemblies with pressure sensors made of stacked coplanar layers and ambulatory infusion systems comprising the same are disclosed. The cannula assemblies include a hub and an infusion...
US20090158854 CAPACITANCE SENSING CIRCUIT FOR MEMBRANE PRESSURE SENSOR  
A capacitance sensing circuit for a membrane pressure sensor is provided. The sensing circuit has a controller, two switches in signal communication with the controller, a charge amplifier and a...
US20090255342 Capacitance Manometers and Methods of Making Same  
A capacitance manometer comprises: a flexible diaphragm including a first electrode structure; an electrode structure including second and third spaced-apart electrode structures secured relative...
US20110290031 CAPACITANCE TYPE PRESSURE SENSOR  
The present invention is adapted to prevent a diaphragm from being deformed by a thermal stress caused by thermal expansion coefficients of a sensor main unit and a fixing member and includes a...
US20140202254 Integrity Monitor for Reference Cavity of Capacitance Diaphragm Gauge  
A system and method detect the presence of an unacceptable quantity of gas molecules in the reference vacuum cavity of a capacitance diaphragm gauge (CDG). An independent pressure transducer has...
US20100083768 Thermal-based diagnostic system for process transmitter  
A process transmitter for measuring a process variable in an industrial process comprises a sensor module, a heating device and transmitter circuitry. The sensor module has a sensor for sensing a...
US20150198495 Pressure Transducer With Capacitively Coupled Source Electrode  
A capacitive pressure transducer of an embodiment of the present invention capacitively couples two electrodes on a substrate with a diaphragm electrode to form a transducing circuit without the...
US20100083767 Dual purpose pressure sensor  
A pressure transducer, particularly adapted to measure the pressure in a tire and to enable the tire to be filled includes a first housing, having an internal hollow. Positioned in the hollow of...
US20120265455 OVERLOAD SAFE PRESSURE SENSOR, ESPECIALLY PRESSURE DIFFERENCE SENSOR  
A pressure sensor includes a sensor body with a sensor chamber in the interior, at least a first separating membrane, forming a first separating membrane chamber connected with the sensor body. A...
US20090015269 Stray Capacitance Compensation for a Capacitive Sensor  
A capacitive sensor (10) producing an output signal (VOUT) that is insensitive to stray capacitance (CS) caused by environmental and aging conditions. The sensor includes a sensing electrode (11)...
US20110160560 Pressure sensor apparatus, system and method  
An implantable pressure sensor system having a sensor assembly configured and adapted to measure pressure in a volume, the sensor assembly including at least a first MEMS pressure sensor, an...

Matches 1 - 50 out of 158 1 2 3 4 >