Abstract: A sensor for measuring pressure, temperature or both may be provided. The sensor may include a diaphragm that may respond to a change in temperature or pressure, a base connected to the diaphragm, a cavity, and an optical fiber that may conduct light reflected off of a surface of the diaphragm. The diaphragm and base may be sapphire elements. An interrogator may be provided for detecting a deflection of the diaphragm.

Abstract: A waterproof food temperature probe includes a penetrating portion for inserting into food during cooking; a cable for coupling the penetrating portion to a display unit separated from the penetrating portion; and, a high temperature resistant seal portion permanently covering at least part of the penetrating portion and at least part of the cable. The seal portion prevents moisture from entering the penetrating portion thereby preventing the temperature probe from malfunctioning.

Abstract: A temperature probe and method for determining a temperature in a gas flow are disclosed. The probe includes a probe body. A free flow temperature sensor a free flow temperature of the gas flow and a total temperature sensor measures a total temperature of the gas flow. The method includes measuring a flow temperature in a free gas flow, providing a static gas volume in which essentially all kinetic energy of the flowing gas is recovered and converted into thermal energy, and measuring a total temperature in the static gas volume. An accurate determination of the total temperature of a gas flow, which is representative of a specific total enthalpy, can thereby be achieved while detecting fast and transient temperature changes.

Abstract: A failure diagnosis method of a temperature sensor of a switch device is provided. The method includes setting a sampling period using a temperature detected by the temperature sensor of the switch device and a temperature of cooling water for cooling the switch device. A temperature sensing value detected by the temperature sensor is then compared with a temperature reference value stored in a memory in the sampling period to determine whether failure occurs in the temperature sensor.

Abstract: An example apparatus can comprise an emitter to emit radio frequency radiation, an absorber that changes temperature based on emissions from the emitter, and one or more sensors to measure a temperature difference between a sample and a reference coupled to the absorber.

Abstract: Disclosed is a piezoelectric film sensor including an insulating substrate having a first electrode formed on at least one main surface thereof, a piezoelectric film which has a first main surface and a second main surface and in which the first main surface is provided on the first electrode side, and a conductive thin film member provided on the second main surface side. The piezoelectric film sensor is characterized in that the first main surface is disposed on a pressing surface side.

Abstract: A sense die comprises a chip comprising a sense diaphragm, one or more sense elements supported by the diaphragm, one or more bond pads supported by a first side of the chip, a structural frame disposed on the first side of the chip, and one or more electrical contacts extending through the structural frame. Each of the one or more bond pads is electrically coupled to at least one of the one or more sense elements. The structural frame is disposed at least partially about the diaphragm, and the one or more electrical contacts are electrically coupled to the one or more bond pads.

Abstract: A distributed optical fiber sensor of dynamic stress state comprises: an optical assembly configured to generate a series of optical pulses; an optical fiber of optical length L; an optical system configured to: inject through the first end at least the series of optical pulses; receive at the level of the end at least one series of output optical pulses, arising from the input pulses after propagation and retro-propagation in the fiber; generate at least one continuous reference beam or reference optical pulses on the basis of the optical assembly or of output optical pulses; produce a series of interference zones corresponding to the interference between the reference beam or a reference pulse and a signal optical pulse arising from an output optical pulse; a holographic detector comprising: a liquid-crystal light valve, the valve disposed so that it at least partially covers the interference zones, and producing holograms on the basis of the interference zones; at least one optical detector configured to d

Abstract: A system for measuring torque on a component having a residually magnetized region is provided. The system includes a torque sensor for sensing an electromagnetic characteristic of the component and transmitting a plurality of signals that are indicative of the electromagnetic characteristic. The system also includes a computer communicatively coupled to the torque sensor for receiving the signals. The computer includes a processor and a memory. The processor is programmed to determine, using the signals, that the torque sensor is affected by the residually magnetized region of the component.

Abstract: A system may include a first sensor and a second sensor. The first sensor may include a driving pole that includes a driving coil that receives a driving current and emits a magnetic flux portion through a structure. The first sensor may also include a sensing pole that may include a sensing coil that receives the magnetic flux portion and generate a first signal based at least in part on the received magnetic flux portion. The first signal is based at least in part on a force on the structure. The second sensor may be disposed on the driving pole and may generate a second signal representative of a distance between the driving pole and the structure. The system may also include a circuit that may adjust the first signal based on the second signal.

Abstract: A method for creating a composite cable having at least one high-performance termination on at least one end. A high-performance termination is added to an end of a short synthetic tensile strength member. The strength of the tensile strength member and termination is then tested. Once tested satisfactorily, the short cable is spiced onto a long cable of the same type using prior art splicing techniques. The union of the short cable and the long cable creates a “composite” cable having a high-performance termination on at least one end. In most applications it is preferable to set the length of the short cable so that the interwoven splice will exist at a desired location.

Abstract: A method includes measuring tensions on a measuring wire coupled to a displacer of a servo gauge. The servo gauge is configured to raise and lower the displacer using a drum around which the measuring wire is wound. Different measured tensions are associated with different segments of the measuring wire. The method also includes calculating or adjusting a measurement associated with material in a tank using the measured tensions to account for a change in a length of the measuring wire. Calculating or adjusting the measurement could include calculating one or more first length adjustments for one or more segments of the measuring wire that are wound around the drum, calculating one or more second length adjustments for one or more other segments of the measuring wire that are unwound from the drum, and combining the first and second length adjustments to identify a final length adjustment.

Abstract: An archery training method includes measuring a load applied to a bow hand holding a bow or applied to a release hand drawing a bow string of the bow, the measuring being performed while the bow string is drawn to a cocked positioned for firing an arrow; comparing through a computer processor the measured load to a predetermined value; and activating an output device to generate a notice based on the comparison between the measured load and the predetermined value.

Abstract: In a sensor device, microcomputers acquire detection signals from plural sensor sections. A first signal line includes a main line and a sub line, and is capable of bidirectional communication between the sensor section and the microcomputers. A second signal line includes a main line and a sub line, and is capable of bidirectional communication between the sensor section and the microcomputers. A trigger signal is transmitted to the sensor section from the first microcomputer via the main line. A trigger signal is transmitted to the sensor section from the second microcomputer via the main line. Detection of steering torque can be continued in the occurrence of an abnormality in part of the sensor sections or microcomputers.

Abstract: A differential pressure sensor may provide a common mode corrected differential pressure reading. The differential pressure sensor may include two pressure sensing diaphragms. The pressure sensor may be configured so that the first diaphragm measures the differential pressure between two sections of a fluid. The pressure sensor may also be configured so that the second diaphragm measures the common mode error experienced by the die at the time the differential pressure is read by the first diaphragm. Electrical connectors may be configured so that the differential pressure outputs a common mode error corrected differential pressure reading based on the readings of the first and second diaphragm.

Abstract: A versatilely usable pressure sensor is described, which has a ceramic pressure measuring cell (5) clamped in the pressure sensor with interpositioning of a seal (1) outwardly sealing an interior of the pressure sensor and loadable via an opening (3) of the pressure sensor with a pressure (p) to be measured, and whose seal (1) comprises a film (21) of a thermoplastic material, especially polytetrafluoroethylene (PTFE), clamped (in an axial direction and extending perpendicularly to planes of the sealing surfaces (25, 27)) between a form-retaining, planar sealing surface (25) of the pressure measuring cell (5) and a form-retaining sealing surface (27, 27?) of a counterbody (19, 19?) outwardly surrounding the opening (3), characterized in that the film (21) includes a first film segment (23), which is clamped between the sealing surface (25) of the pressure measuring cell (5) and the sealing surface (27, 27?) of the counterbody (19), and the film (21) includes a second film segment (29), which extends over a la

Abstract: According to one embodiment, a sensor includes a first film, a first sensor portion, and a first element portion. The first film is deformable. The first sensor portion is provided at the first film. The first sensor portion includes a first magnetic layer, a second magnetic layer provided between the first film and the first magnetic layer, and a first intermediate layer provided between the first magnetic layer and the second magnetic layer. The first element portion includes a first piezoelectric layer fixed to the first film.

Abstract: A pressure sensor is provided with a cylindrical body made of a magnetostrictive material and configured to be deformed under a pressure of a fluid flowing inside and a detection portion configured to detect a change in magnetic field caused by distortion of the cylindrical body. The cylindrical body is provided with a peripheral wall portion curved or bent in an axial direction of the cylindrical body.

Abstract: Various exemplary embodiments of the present invention relate to an apparatus and method for providing location information of an external device by an electronic device. In this case, the electronic device includes an air pressure sensor, a display, and a processor. The processor may be configured for identifying air pressure of an external device, detecting air pressure of a region in which the electronic device is located by using the air pressure sensor. The processor may also be configured for detecting a direction in which the external device is located based on a difference between the air pressure of the external device and the air pressure of the region in which the electronic device is located. The processor may also be configured for controlling the display to display the direction in which the external device is located. Other exemplary embodiments may also be possible.

Abstract: A combustion pressure sensor mounted to a functional component attached to a combustion chamber of an internal combustion engine is provided, wherein a pressure receiving member and a pressure detection element are supported by a housing, the pressure receiving member being a pressure receiving surface for receiving a combustion pressure, the pressure detection element detecting a pressure from the pressure receiving surface, the mounting of the combustion pressure sensor to the functional component is performed by joining the functional component and a connecting member provided to at least one of the pressure receiving member and the housing, and the connecting member is composed of a joint portion and a distortion buffer portion, the joint portion being joined with the functional component, the distortion buffer portion reducing influence of distortion occurring in the joint portion on the pressure receiving member or the housing.

Abstract: A torque sensing system which includes a torque sensor capable of wirelessly communicating torque and misalignment data to a smartphone or a tablet using a protocol such as Wi-Fi or Bluetooth technology, and wirelessly communicating commands from the smartphone or table back to the torque sensor. The torque sensor electronics include an rf coil for taking power off of a stationary housing to a rotary shaft and one or more accelerometers for indicating misalignments.

Abstract: A test chamber is used within a system for testing microelectromechanical systems (MEMS) pressure sensors. The system includes a processor, two air tanks pressurized to different air pressures, a high speed switch mechanism, and the test chamber. The test chamber houses a MEMS pressure sensor to be tested, a control pressure sensor, and a temperature sensor. The MEMS pressure sensor and the control pressure sensor are located in a cavity within the test chamber. The cavity is of minimal size and has a domed inner surface. A response time of the MEMS pressure sensor within the cavity can be characterized by utilizing the system and subjecting the MEMS pressure sensor to a pressure stimulus pulse produced by switching between the two air tanks.

Abstract: A rotating body, which rotates about an axis, includes a recessed reference mark and at least one recessed dummy mark. The reference mark is provided on the surface of the rotating body, serves as a reference for detecting the rotational phase of the rotating body, and can be detected with an electromagnetic wave. The dummy mark is provided on the surface of the rotating body, and is located at a position separated from the reference mark by an angle greater than 90 degrees about the axis.

Abstract: A gas monitoring system for monitoring gas leaks from a gas turbine engine disposed within a gas turbine enclosure includes a controller including a processor and a memory communicatively coupled to the processor. The memory stores instructions which when executed by the processor perform operations including obtaining one or more operational parameters associated with a gas turbine system having the gas turbine engine from one or more sensors during operation of the gas turbine engine. The operations also include utilizing a gas leakage monitoring model to monitor for gas leaks within the gas turbine enclosure and to generate a gas index indicative of a severity of a gas leak within the gas turbine enclosure based on the one or more operational parameters. The operations further include outputting the index.

Abstract: A method for detecting a high temperature fluid leak in a turbomachine. The turbomachine includes a source of high temperature pressurized fluid, at least one fluid distribution line suitable for distributing said high temperature fluid, and a turbomachine compartment wherein the distribution line is at least partially housed. The method includes measuring at least two pressure parameters of the turbomachine compartment, including a measured pressure and a pressure variation over time; detecting a high temperature fluid leak when at least one of the two pressure parameters of the turbomachine compartment reaches a characteristic value of a high-temperature fluid leak in the compartment. A high-temperature fluid distribution system and a turbomachine comprising such a high temperature fluid distribution system.

Abstract: A fluid retention device may include a hydraulic manifold which may form or contain a vacuum conduit. A vacuum pump may be in fluid communication with the vacuum conduit. The vacuum pump may be configured generate a vacuum within the vacuum conduit. A fluid system coupler may be in fluid communication with the vacuum conduit, and the fluid system coupler may be configured to be coupled to a fluid containing system to communicate the vacuum generated by the vacuum pump into the fluid containing system to prevent redistribution of the fluid within the fluid containing system.

Abstract: A structural health monitoring system comprises: a flexible substrate configured for attachment to a structure, the flexible substrate having a plurality of sensors affixed thereon. The flexible substrate comprises a first portion configured for attachment to the structure, a second portion extending in continuous manner from the first portion, and a third portion extending in continuous manner from the second portion and being configured for attachment to the structure. The second portion includes a first section extending in continuous manner from the first portion, a second section connected between the first section and the third portion and having an edge extending in a direction different from an edge of the first section.

Abstract: The disclosed embodiments relate to a system that characterizes I/O performance of a computing device in terms of energy consumption across a range of vibrational operating environments. During operation, the system executes a test script on a computing device that is affixed to a programmable vibration table, wherein the test script causes the computing device to perform a predetermined I/O workload. While the test script is executing, the system controls the programmable vibration table to subject the computing device to different vibrational operating environments. At the same time, the system obtains test results by monitoring a progress of the test script and an associated power consumption of the computing device. Finally, the system uses the obtained test results to characterize the I/O performance of the computing device in terms of energy consumption across the range of vibrational operating environments.

Abstract: A method and an apparatus for determining surface data and/or measurement data relating to a surface, for the quality control of an at least a partially transparent object, an ophthalmic lens, having an optically active first surface and an opposite optically active second surface. The method includes irradiating polarized light with an irradiation polarization from at least one illumination device onto an analysis area of the object to be examined, wherein, for the purpose of setting the irradiation polarization, the light is passed through a polariser assigned to the illumination device or integrated in the latter, and receiving light which is reflected at the first and/or second surface and has an analysis polarization by use of at least one receiving device, wherein the light is passed through an analyser assigned to the receiving device or integrated in the latter.

Abstract: A lensmeter includes a light emission portion, a light reception portion, a storage unit, a display unit and a display control unit. The light emission portion emits light so as to radiate the light onto a lens-to-be-inspected. The light reception portion receives the light transmitted through the lens-to-be-inspected to measure an optical characteristic of the lens-to-be-inspected. The storage unit stores a measured value of the optical characteristic of the lens-to-be-inspected. The display unit displays the measured value of the optical characteristic of the lens-to-be-inspected stored in the storage unit. The display control unit causes the display unit to display a target pattern including at least two different colors, and changes the target pattern in accordance with the measured value stored in the storage unit.

Abstract: A shape measuring method includes moving an object surface to a plurality of measurement positions along a set trajectory, irradiating a measuring beam sequentially onto a plurality of partial regions of the object surface, detecting a wavefront of reflected light from the plurality of partial regions, and acquiring a shape of the object surface based on the wavefront. Placement error is measured with respect to the trajectory of the object surface at each of at least two measurement positions, based on a detected wavefront of reflected light, and estimated with respect to the object surface trajectory at a position other than at the least two measurement positions, based on the actually measured placement errors. Placement error of the object surface is corrected based on the placement error with respect to the trajectory.

Abstract: A tool for testing the termination of optical connectors has a housing, a cradle attached to the housing, and a cover removeably attached to the cradle. The cradle is configured to restrain a fiber optic connector and the cover is configured to at least partially block ambient light from reaching the fiber optic connector. In another embodiment, a tool for testing the termination of optical connectors has a housing, a cradle attached to the housing, a launch fiber, and a ferrule adapter. The ferrule adapter is connected such that it rotates about a pivot point on the cradle.

Abstract: A system includes a plurality of different types of fiber optic connectors each having at least one stub optical fiber configured to be spliced to at least one cable optical fiber. The system also includes a tool configured to: a) receive and detect the different types of fiber optic connectors; and b) set a threshold value for an acceptable indication of continuity for at least one splice between the at least one stub optical fiber and the at least one cable optical fiber based on which type of the fiber optic connector is received and detected.

Abstract: A system and method for simultaneously addressing multiple parallel distributed fiber optic sensors using a single interrogation instrument is disclosed. One or more of the fiber optic sensors are provided with a non-reflective delay element to prevent an overlap in time between backscatter returns from the distributed fiber optic sensors, thereby allowing the backscatter returns from each sensor to be distinguished based on round-trip transit time.

Abstract: Systems, methods, and devices of the various embodiments enable mitigation of the effects of birefringence in Optical Frequency Domain Reflectometer (OFDR) sensing fiber. Various embodiments enable the measurement of the polarization state of the light in a sensing fiber throughout the entire sensing cable in a highly distributed manner typical of OFDR systems. Various embodiments enable the production of a distributed fiber birefringence measurement throughout the length of an OFDR sensing fiber. Various embodiments may enable OFDR to be 100% polarization diverse, meaning that polarization effects in the fiber optic cables and sensing fiber do not negatively effect measurements. Additionally, the highly distributed measurement of the polarization state and related birefringence in a sensing fiber of the various embodiments may enable new types of measurements such as pressure, twisting, and bending along the sensing fiber.

Abstract: A system, method and apparatus for making evident, diesel exhaust fuel (DEF) contamination is provided. The system, for use with a diesel exhaust fluid system, includes a container having an opening to receive a diesel exhaust fluid. A reactive device is located near the opening and reactive upon exposure to one or more predetermined components potentially present in a fluid pourable into the container through the opening. The reactive device is not reactive to the diesel exhaust fluid.

Abstract: A method for monitoring a shock strut may comprise measuring a first shock strut pressure, measuring a first shock strut temperature, measuring a second shock strut pressure, measuring a second shock strut temperature, measuring a shock strut stroke, and determining a servicing condition of the shock strut based upon the first shock strut pressure, the first shock strut temperature, the second shock strut pressure, the second shock strut temperature, and the shock strut stroke and taking into account at least one of an absorption of a gas with a fluid and desorption of the gas with the fluid. In various embodiments, the method may further comprises measuring a third shock strut pressure, measuring a third shock strut temperature, wherein the servicing condition is further based upon the third shock strut pressure and the third shock strut temperature.

Abstract: Disclosed is a biological sample collector 500 comprising a solid support 12 having plural discrete areas (22, 24, 26, 28 FIG. 1) for accepting a biological sample, each area being chemically differentiated, for example by having a different chemical treatment sorbed onto the solid support. An envelope 530 encloses the solid support. A cover portion 520 can cover the biological sample after collection to prevent infection. UV light can be applied to the collected sample to reduce the risk of infection.

Abstract: A method of sorting cells on a FACS includes providing a culture of cells stained with a dye. The dye is excited using photons at a first wavelength. A fluorescence and emission of the dye is collected at a second wavelength. Droplets of the cells are produced by pumping the cell culture at a first pressure through a nozzle having a nozzle diameter. The droplets are produced at a first frequency. The cells are sorted by a desired property. The desired property can include sorting the cells by size using at least one of a forward scatter area (FSC-A), a forward scatter height (FSC-H), a forwards scatter width (FSC-W), side scatter area (SSC-A), a side scatter height (SSC-H) and a side scatter width (SSC-W) of the fluorescence of the dye to determine a size of the cells.

Abstract: It has surprisingly been discovered that it is possible to stabilise biomolecules such as RNA, DNA and proteins in biological samples such as cells, tissues, biopsies and blood using deep eutectic solvents (DES). It has also been discovered that DES mixtures can be used to fix and preserve cell morphology in biological samples such as tissue blocks, cancer biopsies and whole blood. This invention describes methods to stabilise and preserve biomolecules, whole cells, tissues, blood and biological samples using DES mixtures.

Abstract: A smear preparing apparatus includes: a smear unit that prepares a smear slide by smearing a sample on a slide; a buffer solution preparation unit that prepares diluted buffer solution by diluting a highly-concentrated buffer solution; a diluted staining solution preparation unit that prepares diluted staining solution by diluting a highly-concentrated staining solution with the diluted buffer solution; and a stain unit that stains the smear slide prepared by the smear unit with the diluted staining solution.

Abstract: A cryogen refilling system includes a reservoir assembly for holding cryogen and a delivery channel in fluid communication with the reservoir assembly for delivering cryogen from the reservoir assembly to a microscope cryogen holder. The delivery channel includes at least one control valve. The system also includes a sensor-lid assembly and a controller. The sensor-lid assembly includes a sensor assembly configured to detect a level of cryogen in the microscope cryogen holder. The controller is configured to receive sensor data from the sensor assembly, analyze the sensor data to determine whether the microscope cryogen holder requires refilling, and in response to determining that the microscope cryogen holder requires refilling, cause a valve control mechanism to open the at least one control valve of the delivery channel.

Abstract: A fusion bead testing device is provided for testing the strength of a fusion bead removed from a pipe joint. The testing device comprises a first pressing means for exerting a force against the fusion bead. If the fusion bead splits as a result of the applied force then the fusion bead fails a quality control test and the fusion bead and consequently the pipe joint from which the bead was removed are deemed too weak. The fusion bead testing apparatus comprises an automatic split detection device for detecting a split in the bead.

Abstract: The present disclosure relates to systems and methods for determining a fluid characteristic of a fluid flowing within a flow region.

Abstract: A system is for determining a viscoelastic property of a flexible seal, such as for use in connection with a vessel having a junction formed between first and second rigid parts that serve to compress the seal in use. A magnetic material is coupled to the flexible seal, and a generator such as an electric coil is provided for generating a magnetic field for causing the magnetic material to output a signal representative of a dynamic mechanical response of the magnetic material. A sensor senses the signal. An analyzer may be provided for analyzing the signal to determine the viscoelastic property of the object. Flexible seals with one or more embedded permanent magnets are disclosed, as are a method and apparatus for manufacturing such a seal using superconductive levitation to position a magnetic material, such as a permanent magnet, in a mold cavity during injection of a molding material.

Abstract: A method for determining the water content in the atmosphere by image processing comprises: determining the number of particles contained in a size range; measuring the mass of particles having a size in the size range from the determined number of particles; determining the number of particles having a size equal to a threshold size; evaluating the number of particles outside of the given size range from the determined number of particles and from the threshold size; estimating the mass of particles outside of the size range from the evaluated number of particles; and determining the water content by addition of the estimated mass and the measured mass.

Abstract: An aerosol distribution determining system is provided. The system includes a set of pairs. Each of the pairs includes a light emitter mounted to a black object for respectively emitting electromagnetic radiation and absorbing a portion of the electromagnetic radiation. The system further includes a hyperspectral imaging camera for capturing hyperspectral images of the electromagnetic radiation in an absence of and in a presence of an aerosol distribution. The system also includes a data processing system for determining at least one of a size, a vertical density distribution, and a shape of particles in the aerosol distribution based on information derived using the hyperspectral images.

Abstract: An air quality monitoring system for a motor vehicle includes a plurality of air sampling points on the motor vehicle, a single air quality sensor and a conduit system connecting the plurality of air sampling points with the single air quality sensor.

Abstract: An apparatus and method for testing gas permeability in concrete are provided. The apparatus is used for testing gas permeability of a concrete test sample, and includes a gas supply apparatus, an instrument body and a gas flow meter. The instrument body includes a frame body. A gas inlet ring, a gas outlet ring and a connection plate are successively arranged on the frame body from inside to outside. An input end of the gas inlet ring is connected with the gas supply apparatus, and an output end is connected with an input end of the gas outlet ring through the concrete test sample. An output end of the gas outlet ring is connected with the gas flow meter.

Abstract: A microviable particle counting system includes: a microviable particle counting instrument configured to detect autofluorescence of a microviable particle in a sample as fluid, thereby counting the microviable particle in the sample; and a former-stage irradiator provided at a former stage of the microviable particle counting instrument to irradiate the sample with ultraviolet light. The ultraviolet light contains first ultraviolet light having such a wavelength that a carbon-carbon covalent bond is disconnected, and the first ultraviolet light has a wavelength shorter than 200 nm.