Abstract: An optical wavelength identifying system comprises an optical wavelength detecting device, a memory, a modulator, a comparison module, and an instruction module. The optical wavelength detecting device comprises a polarizer, a detecting element, a measuring device and a data processor. The polarizer is configured to transform an incident light into a polarized light. The detecting element is configured to form a temperature difference or a potential difference, wherein the detecting element comprises a carbon nanotube structure comprising a plurality of carbon nanotubes oriented along the same direction. The measuring device is electrically connected to the detecting element and configured to measure the temperature difference or the potential difference. The data processor is electrically connected to the measuring device and configured to obtain the optical wavelength by calculating and analyzing the temperature difference or the potential difference.

Abstract: An optical wavelength detecting device, the device including: a polarizer configured to transform an incident light into a polarized light; a detecting element configured to receive the polarized light and form a temperature difference or a potential difference between two points of the detecting element, wherein the detecting element includes a carbon nanotube structure including a plurality of carbon nanotubes oriented along the same direction, and angles between a polarizing direction of the polarized light and an oriented direction of the plurality of carbon nanotubes is adjustable; a measuring device electrically connected to the detecting element and configured to measure the temperature difference or the potential difference; a data processor electrically connected to the measuring device and configured to obtain the optical wavelength by calculating and analyzing the temperature difference or the potential difference.

Abstract: Disclosed is a low-cost, portable photo thermal spectroscopy (PTS) reader for use in detecting the presence of diseases in the bodily fluid of affected patients. The PTS reader is designed to be durable, easy to use and provide readings from the Lateral Flow Assay (LFA) with rapid results. Also provided are methods of use.

Abstract: A method and a sensing device are provided. The sensing device may include a readout circuit, a bulk, a holding element and a heterojunction bipolar transistor; wherein heterojunction bipolar transistor is configured to generate detection signals responsive to a temperature of at least a portion of the heterojunction bipolar transistor; wherein the holding element is configured to support the heterojunction bipolar transistor; wherein the heterojunction bipolar transistor is thermally isolated from the bulk; wherein the readout circuit is electrically coupled to the heterojunction bipolar transistor; and wherein the readout circuit is configured to receive the detection signals and to process the detection signals to provide information about electromagnetic radiation that affected the temperature of the at least portion of the heterojunction bipolar transistor.

Abstract: Various techniques are disclosed for bolometer circuits and related methods for thermal imaging in a difference domain, where each pixel value represents a difference in incident IR radiation intensity between adjacent bolometers. For example, a bolometer circuit may include an array of bolometers each configured to generate a pixel signal in response to a bias and incident infrared radiation. Each column of the bolometer array may comprise an amplifier, a first plurality of switches each configured to selectively provide a supply voltage to a respective one of bolometers of the each column, a second plurality of switches each configured to selectively route a difference of the pixel signals of a respective adjacent pair of the bolometers of the each column to an input of the amplifier, and a third plurality of switches configured to selectively provide a common voltage to a respective one of the bolometers of the each column.

Abstract: An optical wavelength detecting device, the device including: a polarizer configured to transform an incident light into a polarized light; a detecting element configured to receive the polarized light and form a temperature difference or a potential difference between two points of the detecting element, wherein the detecting element comprises a carbon nanotube structure including a plurality of carbon nanotubes oriented along the same direction, and angles between a polarizing direction of the polarized light and an oriented direction of the plurality of carbon nanotubes is adjustable; a measuring device electrically connected to the detecting element and configured to measure the temperature difference or the potential difference; a data processor electrically connected to the measuring device and configured to obtain the optical wavelength by calculating and analyzing the temperature difference or the potential difference.

Abstract: An photosensitive device, the sensor comprising: a plurality of photosensitive units distributed in an array, each photosensitive unit configured to receive and convert light signal, wherein the photosensitive unit comprises a detecting element and a polarizer, the detecting element comprises a carbon nanotube structure comprising a plurality of carbon nanotubes oriented along the same direction, and the polarizer is configured to generate polarized light to irradiate a part surface of the carbon nanotube structure; a measuring device configured to measure temperature differences or potential differences generated in the carbon nanotube structure by irradiating; a data processor configured to analyze and calculate the potential differences or the temperature differences to obtain the wavelength of the light signal.

Abstract: A drain covering device is described with built in temperature sensors and lights which signal various measured temperatures which are acceptable, cold, or hot for an intended use. The device is easily separable and can be rinsed and stored using an attached suction cup.

Abstract: A device for mounting a temperature sensor for a motor is provided. The device is replaceably mounted at a predetermined position of a motor and allows a temperature to be more easily detected when heat is generated as the motor operates. The device is configured to allow a temperature sensor to more smoothly perform a sensing function and allows improved replacement of the temperature sensor upon malfunction of the temperature sensor breaks down. The device includes a structure with the temperature sensor disposed in a temperature sensor fixing bracket, and a thermally conductive substance is received and sealed between the temperature sensor fixing bracket and the temperature sensor. The temperature sensor is detachably coupled to an end coil of a motor.

Abstract: A method for assembling sensor on a housing. The sensor provided with a body, a protrusion and an electrical connection cable. The housing being provided with a blind hole shaped to engage with the protrusion of the sensor. The assembly method provides the following phases: a) inserting the protrusion in the blind hole of the housing bringing an end wall of the protrusion into contact with a bottom wall of the blind hole, b) tightening a bushing to a first tightening torque value, the bushing having an external thread that engages with an internal thread of the blind hole and an internal thread that engages with an external thread of the protrusion, in which all of the threads have the same pitch, c) tightening a hexagonal nut to a second tightening torque value.

Abstract: A first heat flux sensor, which outputs a first sensor signal according to a heat flux passing therethrough, a second heat flux sensor, which outputs a second sensor signal according to a heat flux passing therethrough, a thermal buffer body, which has a predetermined heat capacity, and a heat releasing body, which has a predetermined heat capacity, are provided, and the first heat flux sensor, the thermal buffer body, the second heat flux sensor and the heat releasing body are arranged in this order from a sensing subject side. The first sensor signal, which corresponds to the heat flux between the sensing subject and the thermal buffer body, is outputted from the first heat flux sensor, and the second sensor signal, which corresponds to the heat flux between the thermal buffer body and the heat releasing body, is outputted from the second heat flux sensor.

Abstract: A high precision high reliability and quick response thermosensitive chip and manufacturing method thereof is provided, including a thermosensitive ceramic semiconductor substrate; glass protective layers are alternately spray-coated and sintered on the two surfaces of the thermosensitive ceramic semiconductor substrate; and the two surfaces of the thermosensitive ceramic semiconductor substrate having the glass protective layers are printed with metal electrode layers. The thermosensitive chip achieves quick response, accurate control of resistance precision and has high precision; in addition, the glass protective layers thereof enable the thermosensitive chip to have high reliability.

Abstract: Visual and electronically readable temperature indicators and methods of making the same have an electric circuit with a microchip and a bridge within the circuit, and a facing material over the electric circuit. The bridge includes either a single layer or multiple layers that include a conductive material, a phase change material having a pre-selected melt temperature, a binder, a first colorant that is soluble in the phase change material and/or a second colorant that is a special effect pigment. In operation, at temperatures below the pre-selected melt temperature, the bridge is electrically conductive, and at a temperature at or above the pre-selected melt temperature, the phase change material melts and dilutes the conductive material, so that the bridge is electrically non-conductive, and a color change occurs that is visible to the user through the facing material such as through a transparent window or in an absorbent material.

Abstract: An apparatus for measuring body core temperature includes a light guide with an internally reflective tube. The light guide is coupled to an earpiece, and has a lens or an aperture positioned at one of its ends. A sensor is positioned at the other end of the light guide, and a processor is coupled to the sensor. The sensor senses infrared radiation from an infrared source at the end of the light guide, and the processor determines a temperature of the infrared source at the end of the light guide via a transfer function that correlates a measure of the infrared radiation observed by the sensor and an effect of radiation of the light guide.

Abstract: A pressure measurement device includes a platen, a pressure sensor, a signal acquisition section, and a data processing section. The pressure sensor includes a plurality of pressure-sensitive points arranged on the platen. The signal acquisition section is configured to acquire measurement data that is obtained when a measurement object in contact with a surface of the platen passes over the pressure sensor a plurality of times. The measurement object moves relative to the platen and along a circular orbit on the platen. The data processing section is configured to calculate periods in each of which the measurement object passes over the pressure sensor and to acquire period data for each of the periods from the measurement data.

Abstract: The torque sensor includes a detection unit for detecting the magnetic transition through a through hole formed so as to penetrate a radial-side surface of the housing; a housing chamber formed to be raised outward in a radial direction from an outer circumferential surface of the housing so that the through hole opens into the housing chamber accommodating the detection unit; a communication hole provided so as to extend in the tangential direction with respect to an outer circumference of the housing, the communication hole making an outside of the housing and an inside of the housing chamber communicate with each other; and an output terminal fitted into the communication hole and connected to the detection unit in a tilting state, the output terminal being configured to output a signal to the outside on the basis of a detected signal.

Abstract: A system includes a magnetostrictive sensor having a sensor head including a driving pole. The driving pole includes a driving coil that may receive a driving current and may emit a magnetic flux portion through a rotary structure. The sensor head also includes a sensing pole including a sensing coil that may receive the magnetic flux portion and may transmit a signal based at least in part on the received magnetic flux portion. The received magnetic flux portion is based at least in part on a force on the rotary structure. The sensor head also includes a temperature sensor disposed on the sensor head. The temperature sensor may measure a temperature of the rotary structure.

Abstract: A system for measuring power generated by a skier is disclosed. The power generated by the skier may be calculated based upon each complete revolution of a ski pole or ski movement. To do so, the system may include various sensors that measure a force exerted on a ski pole or ski, the angle of the ski pole or ski, and the velocity of the skier at various time instants within each ski pole or ski revolution. A processing unit may calculate power generated by the skier in the skier's direction of travel using the force exerted in the skier's direction of travel during a complete revolution of ski pole (or ski) movement and the velocity of the skier.

Abstract: A sensing device or apparatus (110) for inserting into a hole, cavity or receptacle (120), such as a hole, cavity or receptacle in a shaft, locking device or load pin (20) for a connector (5), the sensing device or apparatus (110) having an elongate member (125) such as a beam or rod; one or more sensing elements (180a, 180b, 180c, 180d, 180b?, 180c?, 180d?) for sensing load, strain, deformation or force in or on the elongate member (125); wherein the elongate member (125) is provided with at least one engaging portion (130) for engaging an inner wall of the hole, cavity or the receptacle (120). A corresponding shaft, load pin or locking device, connector and methods of using, measuring and assembling are also provided herein.

Abstract: A force/torque sensor includes a number n of deformable beams connecting the TAP to the MAP, wherein n?4. At least four of the n deformable beams are instrumented with strain gages affixed to surfaces of the beams, such that each beam outputs two gage signals. The eight gage signals are grouped into four sets of six gage signals, such that each set includes the gage signals from three of the four instrumented beams. Each set of six gage signals is multiplied by a calibration matrix to yield a set of six force and torque values. The four sets of force and torque values are compared. If one set disagrees with the other three by greater than a predetermined tolerance, a sensor fault is signaled.

Abstract: Disclosed is a method of processing a periodic voltage signal, called the input signal, relating to the pressure existing in a combustion chamber of a cylinder of an internal combustion engine. The method includes a step (E6) of determining a second instant of unlocking of the base signal during a second peak phase, a step (E7) of determining a second instant of locking, which is subsequent to the second instant of unlocking and for which the input signal is in the plateau phase consecutive to the second peak phase, and a step (E8) of generating a base signal between the second instant of unlocking and the second instant of locking on the basis of a slope value of a straight line determined during a first peak phase between a first instant of unlocking and a first instant of locking.

Abstract: The data-accepting part accepts normal time information data and non-normal time information data, which are outputted from measurement equipment connected to the management apparatus, the data-identifying part identifies the normal time information data and the non-normal time information data based on the difference in the transmission path of the data, or based on identification information given to the data, and the data-output part outputs the above-mentioned normal time information data and the non-normal time information data, such that an operator identifies the information data.

Abstract: A method (45) for determining the total pressure in a cylinder (Pcyl) of an engine as a function of the angular position (crk) of a crankshaft (14) and from a quantity of fuel to be injected in possibly several injections, includes: determining the pressure in the cylinder when there is no combustion, the pressure being called the pressure without combustion (Pcyl_m), determining, for each injection (inji), a curve of sub-variation of pressure (?Pcomb_i) caused by the combustion of the fuel quantity injected during the such injection (inji), the shape of the curve being estimated as a function of the quantity of fuel to be injected (MFi) and of the angular position for start of injection (SOIi) of the corresponding injection, determining the total pressure in the cylinder (Pcyl) by adding together the pressure without combustion (Pcyl_m) and the pressures given by the pressure sub-variation curves (?Pcomb_i) of each injection (inji).

Abstract: Disclosed is a method for detecting anomalies in a distribution network equipped with sensors. The steps are: acquiring for each sensor a time series of physical measurements separated by time intervals; defining time windows each corresponding to a plurality of successive time intervals; extracting operational characteristics of each time series in each time window; forming, for each time window, at least one current vector having for coordinates the operational characteristics, structural data relating to the network and situational characteristics specific to the time window; comparing the current vector with preceding vectors corresponding to preceding time windows and the situational characteristics and structural data of which are similar to those of the current vector; and signalling an anomaly in cases where the current vector is significantly dissimilar to the preceding vectors.

Abstract: A sensor information collecting apparatus includes: a sensor module including a sensor; a sensor amplifier; an acceleration sensor; a control unit; a power supply unit; an illumination unit; an illumination driver; and a battery, which supplies a battery voltage to the acceleration sensor, the control unit, and the power supply unit, wherein, when an acceleration level is equal to or more than a threshold value for data-storing, the control unit activates the sensor amplifier and controls the memory to store the detection data, and wherein, when the acceleration sensor detects an acceleration level which is less than the threshold value for data-storing and is equal to or more than a threshold value for data-transmitting, the control unit outputs an optical communication signal and the illumination driver controls the illumination unit to emit light, on which the optical communication signal is superimposed.

Abstract: A transportable wind tunnel testing automobiles, motorcycles, bicycles, scale-model aircraft, building structures, and other products requiring high-quality and low noise directed air flow. The wind tunnel comprises one or more containers which can be separately transported on trailers. Each wind tunnel container comprises one or more fans, conditioning screens, acoustic baffles, and a reduction or contraction section. Wind tunnels may be connected end-to-end or side-to-side, with joined outflow. The wind tunnel containers can be used on the trailers, or can be removed and temporarily installed at a location.

Abstract: Two-port optical retro-reflectors with high isolation and high return loss are described. Such retro-reflectors are designed to increase the number of optical filtering using one or more filters uniquely disposed to increase the isolation and return loss.

Abstract: A method for measuring the backlash of a gear train includes the steps of providing a gear train with an input end and an output end, spinning the input end of the gear train while loading the output end of the gear train with torque, and executing at least one round of measurement. The round of measurement includes the steps of measuring the rotational speed and/or angular position of the input end of the gear train and providing a first signal, measuring the rotational speed and/or angular position of the output end of the gear train and providing a second signal, and comparing the first and second signals with each other.

Abstract: A rolling bearing apparatus includes a bearing main body having an outer ring that is a fixed ring and an inner ring that is a rotating ring, the outer ring and the inner ring being concentrically provided, and a plurality of rolling elements provided between the outer ring and the inner ring, and a control unit having a vibration detector attached to the outer ring and a calculation unit that calculates a value for vibration of the bearing main body and a rotation speed thereof based on a detection signal from the vibration detector. The calculation unit calculates the rotation speed based on frequency components of vibration obtained from the detection signal and the number of vibrations inherent in the bearing main body.

Abstract: A semiconductor sensor includes a cavity; a fluid connection between the cavity and an inlet area; a pump diaphragm that bounds the cavity; and a measuring diaphragm that bounds the cavity. The fluid connection includes a diffusion channel having multiple openings in the inlet area or multiple diffusion channels having respectively an opening in the inlet area, and it is possible to close at least one of the openings using laser light in order to influence an effective length or an effective cross section of the fluid connection.

Abstract: In various embodiments, the present disclosure provides a probe seating and locking device comprising a main body and a sleeve disposed at least partially concentrically about a probe. In various embodiments, the main body comprises a relief cut, a probe channel in communication with the relief cut, and a probe housing extending from the main body, wherein the probe housing has a probe passage in communication with the probe channel. In various embodiments, the probe passage comprises a first end, a second end, and a sensing aperture, wherein the probe housing is coupled to the main body at the first end. In various embodiments, the probe is disposed in the probe channel and is in contact with the seating step.

Abstract: The present disclosure is directed to an integrated electrostatic sensor for detecting dust and/or other airborne particulates in an engine, e.g. in an aircraft gas turbine engine. The electrostatic sensor includes an outer housing having a sensing face, an electrode configured within the outer housing adjacent to the sensing face, and an amplifier configured with the electrode. The electrode contains a plurality of electrons configured to move as charged dust particles flow past the sensing face. Thus, the amplifier is configured to detect a dust level as a function of the electron movement. The electrostatic sensor also includes a circuit board configured within the outer housing and electrically coupled to the amplifier. Thus, the circuit board is configured to send the one or more signals to a controller of the engine indicative of the dust level.

Abstract: A degradation cause estimation device is provided with a degradation detector for detecting the amount of degradation undergone by a device, a state observation device for detecting observation values for internal portions, values observed from outside, or device control and operation information, a degradation section detector for detecting a section undergoing degradation using the output values of the degradation detector, and a cause estimator for estimating the cause of the degradation using the device state observations for the degradation section, and outputs the cause for the degradation section.

Abstract: According to one embodiment, an electric-vehicle testing apparatus includes processing circuitry. The circuitry generates a first signal corresponding to accelerator operation amount and a second signal corresponding to brake operation amount in accordance with test conditions. The circuitry controls torque of a test motor included in a test object. The circuitry computes running resistance to be assumed using a rotation speed of the test motor. The circuitry computes braking force using the second signal and an actual vehicle speed obtained from the rotation speed of the test motor. The circuitry controls torque of a load motor coupled to the test motor, based on a second command value corresponding to the running resistance and the braking force.

Abstract: Devices and methods for processing animal or human tissue are provided. The devices may include a vacuum surface to secure the tissue in place and an apparatus for removing fat or other material from the tissue. The apparatus can include one or more blades and/or a fluid jet system.

Abstract: Devices and methods for collecting trace amounts of samples are provided. A device can utilize a sterile syringe integrated with a venturi-type vacuum source for sample collection. The device can be used in a variety of applications for collecting specimens that are otherwise difficult to retrieve using conventional sample collecting techniques.

Abstract: A method for filling a receptacle with a precise amount of liquid includes filling the receptacle while forming a controlled meniscus to prevent spillage. If an excess amount of liquid is deposited, then excess is then withdrawn such that the receptacle contains only the desired amount of liquid.

Abstract: Methods and systems for reducing the run-to-run variability in measurement results obtained by a sample analysis system. The method and system utilize data from previous sample runs to optimize analysis parameters for future test runs. The methods and systems are particularly suitable for microfluidic sample analysis.

Abstract: The quality of staining histological specimens has an impact on the histological assessment of the specimen. One of the causes for variability in the accuracy is the variations in the staining of the specimens to be tested in the working laboratories. The present invention provides a method for assessing the staining quality in a working laboratory and providing a quantitative quality measure for the staining quality. Thereby, it is possible for each working laboratory to evaluate their staining quality and to get feedback of how to improve the quality. The invention further relates to a system and a software program for carrying out the method.

Abstract: Disclosed embodiments concern a composition comprising DAB chromogen, and/or derivative thereof, a stabilizer, and polymer capable of preventing or reducing DAB precipitation relative to a composition that does not comprise the polymer. Also disclosed herein is a method for using the disclosed composition and embodiments of a kit.

Abstract: In a first aspect, the invention relates to the use of a UV-polymerizable composition as an embedding medium for biological samples. The UV-polymerizable composition is a composition with a refractive index ranging from n=1.45 to n=1.6 after a polymerization process. In another aspect, the invention relates to a method for producing embedded biological samples using said UV-polymerizable composition and to the embedded biological samples themselves. The biological samples can be used in a wide variety of areas, such as diagnostics among others, and are suitable in particular for RNA-based diagnostics.

Abstract: A magnetic device includes a substrate and an array including a plurality of magnetic particles, in which a magnetic dipole moment direction of each magnetic particle in a majority of the magnetic particles in the array alternates with respect to a magnetic dipole direction of a directly adjacent magnetic particle or directly adjacent magnetic particles in the array.

Abstract: A film-shaped aperture array includes a first principal surface and a second principal surface opposed to each other and a plurality of apertures penetrating the first principal surface and the second principal surface. A projection projecting from the second principal surface in a normal direction of the second principal surface is provided in at least one region in contact with three or more of the plurality of apertures in a part of the second principal surface, when viewed in plan from the normal direction of the second principal surface.

Abstract: A hardness test block wherein the number of test sites is optimized for a given test block size and a hardness being tested. The hardness test block has an alignment template that enables an operator to be assured of having the test bock grid pattern aligned properly with the indenter of a hardness testing machine. Another means for aligning the test block with the hardness testing apparatus is a cradle for the test block so that the primary test surface as well as the opposite surface can both be used for testing purposes such that the cradle protects the test surface from being contacted by the anvil of the hardness testing machine during the test operation. Another alternative is having a plurality of legs or pins on the test surface of the test block to prevent the test surface from contacting the anvil when the opposite test surface is being used for testing.

Abstract: In order to measure a fluid flow or flow conditions of a fluid flow through an apparatus, electrodes are provided across which capacitance values are determined. The capacitances are used in conjunction with a predetermined model to determine a revised model for the system. If the modelled to be satisfactory, then the values representative of the flow conditions are output. If it is not, then the model is tuned to reduce the error. A novel arrangement of electrodes is also provided along with apparatus embodying the method. The invention also provides a way of determining fluid properties, for example, density, volume present contained within a vessel or tank whether flowing or stationary.

Abstract: “UNIVERSAL MACHINE FOR RHEOLOGICAL AND MECHANICAL TESTS” which is, more precisely, an universal machine (1) of rheological and mechanical tests for modular tests of cementitious materials, as well as mining, asphaltic and polymeric materials, foods, pharmaceutical products, cosmetics, etc. The aforementioned universal machine (1) is comprised of the arrangement of a set of modules (CM) that make up means of rheological and mechanical tests for the assessment of longitudinal forces perpendicular to the rotation direction of the alternate current servomotor (5).

Abstract: An exemplary paddle includes a central shaft having a first end and a second end. One or more lateral blades extend laterally from the central shaft, and each lateral blade including a geared end positioned adjacent the central shaft and a distal end opposite the geared end. Each lateral blade provides a blade gear at the geared end. A drive shaft is movably positioned within the central shaft and operatively coupled to the one or more lateral blades such that rotation of the drive shaft about a central axis rotates the one or more lateral blades about a corresponding one or more blade axes. The one or more lateral blades are able to move between a horizontal position and a vertical position via independent actuation.

Abstract: The invention relates to a system and a process for analyzing the interaction between a drop of fluid which is immiscible in an ambient medium and a surface, this surface being another drop of fluid or else alternatively a solid surface. The system also comprises processing means suitable for determining, according to data collected by an image acquisition and processing device, a value of interfacial tension of the drop after a contact between the drop and the surface, and a value of pressure difference between the internal pressure of the drop and the pressure in the ambient medium without having to know the position of the apex of the drop. The invention also relates to a device for forming drops and bringing drops into contact and to a device for forming a drop of fluid and bringing a drop of fluid into contact with a solid surface for the purpose of analyzing them by means of the appropriate system.

Abstract: Systems and methods for classifying blood cells in a blood sample are disclosed. A series of frames of the blood sample as it flows through a field of view of an image capture device are captured and analysed. Advantageously, the disclosed systems and methods combine the availability of morphological cell data with the convenience of a flow-through arrangement. The classification results can be used for estimating cell counts in a blood sample.

Abstract: A system is described that provides for the measurement and control of proppant concentration in a liquefied gas fluid stream utilizing a non-nuclear optical detection device such as a near-infrared (NIR), visible (Vis), and ultraviolet (UV) photometer/nephelometer to be used in the fracture treatment of subterranean hydrocarbon formations.