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Differential pressure sensor and differential pressure sensor
A differential pressure sensor has a sensor chip that is, between a first inner wall surface and a second inner wall surface of a sensor chamber, joined by a...
Optical fiber pressure sensor and pressure measuring method using the same
Disclosed is an optical fiber pressure sensor including: a polarization beam splitter that splits input light from a broadband light source into two beams; a...
Optical pressure sensor
An optical pressure sensor is disclosed having a pressure sensing optical cavity. A temperature sensing optical cavity at the sensor head is used by an...
Diaphragm-type pressure gauge
A diaphragm-type pressure gauge which is attached to a vessel to be measured and measures a pressure by introducing a gas inside the vessel includes a housing...
Pressure sensor with deformable membrane and method of manufacture
A pressure sensor comprises a first substrate and a cap attached to the first substrate. The cap includes a processing circuit, a cavity and a deformable...
Microelectromechanical pressure sensors
A pressure sensitive element is provided. In one embodiment the pressure sensitive element comprises: a diaphragm with a gage side and a back side and a rim...
Sputter chamber pressure gauge with vibration absorber
A pressure gauge for measuring pressure in a vacuum chamber includes a flange couplable with the vacuum chamber, a pressure sensor configured to measure...
Diaphragm pressure gauge
A diaphragm pressure gauge includes a base, an inner cover, a diaphragm, a movement assembly, a pointer assembly, a dial plate, and an outer cover. The movement...
Bicycle pedaling force detector
A bicycle pedaling force detector is basically provided with that basically includes a first sensor circuit, a wireless communicator and a first electrical...
Methods for evaluating strain of crystalline devices
Methods for evaluating strain of crystalline structure are provided herein. In accordance with an exemplary embodiment, a method for evaluating strain of a...
The detection range and the detection precision of a sensor device that makes use of the deformation of a viscoelastic elastomer are made variable. The sensor...
Freeze, thaw and refreeze indicators based on rapid reactions in the solid
A freeze indicator, which is preferably a self-activating freeze indicator. The freeze indicator has a substrate with a freeze indicator composition coated...
Sensor and sensor mounting structure
A sensor (200) includes a temperature sensitive element (203); a first tubular member (212); a tubular rib (240); a second tubular member (260); and a tubular...
Temperature control apparatus
A temperature control apparatus includes a temperature monitoring integrated circuit (IC). The temperature monitoring IC has an output pin and is configured to...
Temperature control material
A sensitive and practicable temperature control material which precisely or determinably detects whether the temperature reaches a predetermined temperature by...
Diagnosis of the defective state of a bolometric detection array
Method of diagnosing the state of signal-forming chains of a detector including an array of detection bolometers, each chain comprising a bolometer, a circuit...
System and method for optical measurement of a target
The invention relates to a system and a method for optical measurement of a target, wherein the target is illuminated, either actively illuminated, reflecting...
Rotating-element spectroscopic ellipsometer and method for measurement
precision prediction of rotating-element...
Provided are a rotating-element spectroscopic ellipsometer and a method for measurement precision prediction of a rotating-element spectroscopic ellipsometer, a...
A microscope includes: a first light dividing part that divides a light flux of light from a light source into a first pump light flux and a second pump light...
Snapshot spectral imaging based on digital cameras
Snapshot spectral imagers comprise an imaging lens, a dispersed image sensor and a restricted isometry property (RIP) diffuser inserted in the optical path...
Spectral analysis device based on Brillouin dynamic grating and analysis
A spectroscopic analysis device based on Brillouin dynamic grating and its analysis method, which provides high resolution and large measuring range at the same...
Method and device for analyzing small particles in gas
A method for detecting decalibration of a device for analyzing particles, including irradiating particles with light, detecting light scattered from the...
Acquiring a Raman spectrum with multiple lasers
A spectrometer is provided for acquiring a Raman spectrum from a sample. The spectrometer includes a first laser, a second laser, a detector and a processing...
Systems and methods for controlling the optical path length between a
laser and an optical cavity
Systems and methods for controlling the optical path length between a feedback enabled laser and a cavity, and hence the optical feedback phase. A phasor...
Flow cell modules and liquid sample analyzers and methods including same
A flow cell for a fluorescence spectrometer includes a flow channel to receive a flow of a liquid sample, an excitation light entrance window to receive...
Pipeline integrity monitoring using fiber optics
In some examples of monitoring pipeline integrity using fiber optics, a first set of values that represent an attenuation of a light signal transmitted through...
Distributed acoustic sensing with multimode fiber
A method and system for distributed acoustic sensing using multimode optical fibers.
Weighing apparatus with secured communication means
A weighing apparatus 1 comprising a load cell 4, a processing unit 3 external of the load cell 4 and data means 7, 8, 9, 10 for operating the weighing apparatus...
Transport rail system with weighing means comprising a sensor for
measuring a change of a magnetic property
Transport rail system capable of detecting a weight of a rail vehicle, includes one or more rails, and one or more sensors for measuring a magnetic property. At...
Method and apparatus for a bidirectional meter proving system
During a water draw test, horizontal type bidirectional sphere provers with a straight calibrated section of pipe between the detector switches sometimes suffer...
Removable magnetostrictive probe with automatic calibration
A magnetostrictive sensing instrument comprises a probe including a tube having a near end and a distal end. A magnetostrictive wire is in the tube. An adaptor...
Calibration- and/or monitoring method for FMCW radar fill level measuring
A method is based on measuring a distance to a reference reflector arranged at a known distance, in order to calibrate and/or monitor a coherent frequency...
Tank overflow protection system and method
A tank overflow protection system and method for measuring process temperature and pressure utilizing one or more piezoresistive pressure transmitters. The...
Fluid flow testing for comparing container pour profiles
A fluid flow testing apparatus for measuring the pour profile of a container has a rotatable container carrier and an assembly for rotating the container...
Air mass flowmeter
An air mass flowmeter having a sensor element of microelectromechanical design, a heating element, and a temperature sensor element. The temperature sensor...
Micro flow sensor
A micro flow sensor includes: a flow path through which a fluid to be measured flows; a detection unit having a heater configured to heat the fluid to be...
Ultrasonic meter flow measurement monitoring system
The present invention provides an automated meter station monitoring system for a fluid comprising a processor having algorithms for verifying performance of a...
Pool skimmer flow measuring systems
The present invention relates to systems that allow users to observe the operation of pool skimmers. In some embodiments, the system includes a flow sensor...
Measuring head clamp-on device for ultrasonic flow-measuring heads
A measuring head clamp-on device for ultrasonic flow measuring heads includes a guide element for receiving at least one measuring head protective housing for...
Method and measuring device for volume measurement and evaluation
The invention relates to a method for measuring the volumetric flow (Q) of a fluid in a preferred direction by means of a volume measurement device having an...
A multiphase flow meter comprising two Venturis separated by a choke. The choke may be varied to adjust the properties of the multiphase fluid flow being...
Flow measuring device for lubrication systems
A flow measuring device for measuring flow of a fluid. A housing has a passage which extends between an inlet and an outlet. A shaft is disposed within the...
Flow rate measuring device and method capable of correcting gradient
The following disclosure relates to a flow rate measuring device and method capable of correcting a gradient. More particularly, the following disclosure...
Strip lighting device
A strip lighting device includes a main body having front and rear sides extending along a length of the main body. The front side is disposed towards a viewer...
Gauge with multiple color pointer tip
A gauge assembly having a pointer and gauge surface area with a scale representing operating parameters. The pointer has a first half and second half that are...
Sensor device for measuring at least one property of a fluid medium
A sensor device for measuring at least one property of a fluid medium, in particular of an exhaust gas of an internal combustion engine. The sensor device...
Retractable environment detector
Systems, methods and apparatus are provided through which in some implementations a retractable environmental detector system includes two portions, a base or...
Methods for fabricating apparatus having a hermetic seal
Methods for fabricating a hermetic seal to seal a portion of an apparatus, for example and without limitation, a portion having a MEMS sensor. One such method...
Orientation estimation based on backward-forward bayesian filtering
A system includes one or more processors, and data storage configured to store instructions that, when executed by the one or more processors, cause the system...
Aspects of the disclosure relate to computing technologies. In particular, aspects of the disclosure relate to mobile computing device technologies, such as...