Abstract: A device and method for securing an orifice flowmeter and preventing unauthorized access to the flowmeter while in service is disclosed. The security device includes a housing having a top surface, a bottom surface, a closed end, an open end, a front surface, and a back surface forming a cavity. Through bores extend coaxially through the top surface and the bottom surface proximate the open end. Some embodiments include protrusions coupled to the interior of cavity. The protrusions together with the back surface of the housing are configured to surround exposed portions of the flowmeter, such that the addition of a shackle portion of a locking device through the through bores will prevent removal of the security device from the flowmeter and subsequently prevent access to the flowmeter.

Abstract: The present invention is configured to, on the basis of an upstream side parameter having a value that is related to a change rate of an upstream side voltage when a flow rate of measuring target fluid changes, and a downstream side parameter having a value that is related to a change rate of a downstream side voltage when the flow rate of the measuring target fluid changes, calculate a fluid-specific value exhibiting a specific value depending on the thermal conductivity of the fluid.

Abstract: A thermal flow meter is provided that can accurately correct zero point and span errors, which change depending on an ambient temperature, independently of a fluid type. The thermal flow meter includes: a flow path through which measuring target fluid flows; an upstream side electrical resistive element provided on the upstream side of the flow path; a downstream side electrical resistive element provided on the downstream side of the flow path; and a flow rate calculation part that calculates a flow rate of the measuring target fluid on the basis of an upstream side voltage that is a voltage applied to the upstream side electrical resistive element, a downstream side voltage that is a voltage applied to the downstream side electrical resistive element, and the thermal conductivity of the measuring target fluid.

Abstract: A device and method to automatically switch referral matrices in a meter (120) to identify an unknown material circulating in a process application (900) and determine the material concentration, whether it may be a cleaning material or a process material. The present invention utilizes a measured line density and line temperature of the material along with a reference temperature to calculate a reference density. Using the reference temperature and reference density, a concentration percentage of the material may be determined.

Abstract: There is described a method for remotely monitoring an exhaust plume emitted by an exhaust stack, the method comprising: determining a velocity of a flow of the exhaust plume at an output of the exhaust stack, the exhaust plume comprising one molecule; propagating a first light within the exhaust plume, the first light being propagated in close proximity to the output of the exhaust stack; detecting a second light emitted by the exhaust plume and measuring an energy of the second light, the second light resulting from an interaction of the first light with the exhaust plume; and determining a mass emission rate of the at least one molecule using the measured energy of the detected second light, the velocity, and a surface area of the exhaust plume at the output of the exhaust stack, the surface area being orthogonal to a direction of the flow of the exhaust plume.

Abstract: A liquid-level detection device for detecting a level of a liquid surface of liquid stored in a container, includes a rotatable body that rotates in accordance with the liquid surface, a fixation body having a main body part fixed to the container and a supporting part projecting from the main body part in an axial direction along a rotation axis of the rotatable body to rotatably support the rotatable body, a pair of magnet parts held by the rotatable body at arrangement positions with the rotation axis therebetween to generate a magnetic flux passing through the supporting part, and a detecting part having an element part disposed inside the supporting part to output a detection result according to a density of a magnetic flux passing through the element part. The rotatable body includes an exposed surface that is located outward of the supporting part and the pair of magnet parts in the axial direction and that is exposed into the container.

Abstract: A method for ascertaining a compensated flow and/or a compensated flow velocity, wherein the compensation of a flow related measurement error occurs in the context of a flow measurement with a two path measuring of an ultrasonic, flow measuring device, comprising: an arrangement of at least two ultrasonic transducers pairs on a tube, or pipe, wherein the ultrasonic transducers are in a 180°, two path, one traverse, or a 90°, two path, two traverse arrangement, by means of an evaluation unit of a flow measuring device and/or a computer, characterized by steps as follows: a) feeding information relative to the type of a flow influencing, tube, or pipe, element into the evaluation unit and/or into the computer; b) feeding information relative to distance (xa-xd) of the arrangement of the ultrasonic transducer pairs from the flow influencing, tube, or pipe, element into the evaluation unit and/or into the computer; c) compensating a measurement error by means of a correction factor kD as a function of information

Abstract: An integrated weighing system having a calibration system for calibrating the weighing system based on geographical location information, and optionally, based on barometric information.

Abstract: Certain embodiments of the invention may be found in an ultra low power dosimeter assembly. The ultra low power dosimeter assembly may comprise a low power voltage source and a table circuit. The table circuit may be adapted to convert an input voltage to a second voltage level. The second voltage level may correspond to noise dose. The ultra low power dosimeter assembly may also comprise a switch adapted to trigger a control circuit. The control circuit may provide progressive attenuation of an output signal as the second voltage level increases. In certain embodiments, the control circuit may also be adapted to send one or more warning signals to a user of the ultra low power dosimeter. The one or more warning signals may be sent when the control circuit determines the second voltage level has reached one or more pre-determined threshold voltage levels.

Abstract: A system may monitor a vibration isolating connection between a first part and a second part. The system may include a light source, an optical sensor mounted to receive light from the light source, and a processing unit for providing an output indicative of the deformation of the vibration isolating connection based on the output of the optical sensor.

Abstract: Methods for determining separate velocity components of an acoustic wavefield that are incident on a distributed fiber optic sensor are disclosed. A fiber optic sensor includes fiber that is spatially distributed in non-parallel planes of a three-dimensional volume having three orthogonal axes. The fiber includes a first fiber pattern that is spatially distributed within a first plane of the three-dimensional volume, and a second fiber pattern that is spatially distributed within a second plane of the volume. The fiber patterns are interrogated separately by a distributed fiber optic interrogation system. The individual responses from each pattern are combined and processed to determine separate velocity components of the acoustic wavefield relative to the orthogonal axes of the three-dimensional volume.

Abstract: According to an example, a fan vibration testing apparatus includes a beam. The fan vibration testing apparatus further includes a fan mounting head disposed at a first location on the beam and including a cut-out, and a rod including first and second opposite rod ends. The rod may be attached at the first rod end to the fan mounting head, and the second rod end may be exposed to retain a fan within the cut-out.

Abstract: There is provided an image display apparatus including: a light source unit; at least one light modulation device configured to modulate light from the light source unit, and to emit a modulated light beam; and a sensor configured to receive diffracted light of the modulated light beam emitted from the at least one light modulation device, and to measure intensity of the modulated light.

Abstract: A spectroscopy system includes detectors configured to obtain detection spectrums of respective detection areas that are located at different positions of an object; and an information processor configured to obtain a target spectrum of a target area by using position information of the detection areas and the detection spectrums obtained by the detectors.

Abstract: A colorimeter with multiple sensings of light to provide higher accuracy measurements of the primaries of a human-standard observer based color space is provided. This color space (target color space) must have the characteristic of two chromaticity coordinates and an achromatic primary like CIELAB, CIELUV or xyY in CIE 1931. The calibration of the device includes training with a set of calibration illuminants. Two sets of calibration-factors are determined. The first set of calibration factors yields intensity of primaries optimized with respect to chromaticity, the second set yields the optimized intensity of the achromatic primary. The combination of these sets of calibration factors enable the colorimeter to deliver values of that light with respect to three primaries of a human-standard-observer-based color space optimized with respect to chromaticity and the achromatic primary.

Abstract: The present disclosure describes an ultraviolet (UV) sensor configured to detect a target UV spectrum (e.g., UVB spectrum). The UV sensor includes a first photodiode with a first UV spectral response and a second photodiode with a second UV spectral response. A filter layer having a graded spectral response is formed over the second photodiode, and the second UV spectral response is affected by a controlled parameter (e.g., thickness) of the filter layer. The UV sensor further includes a subtraction circuit coupled with the first photodiode and the second photodiode. The subtraction circuit is configured to provide a differential response based on a difference between the first UV spectral response and the second UV spectral response. The controlled parameter of the filter layer can be selected such that the differential response provides a detected spectral response of the target spectrum.

Abstract: In a spectroscopic analysis system and a spectroscopic analysis method of the present invention, in determining a content percentage of a component contained in a measurement object based on a measurement object spectrum, one or more calibration curves for obtaining the content percentage of the component contained in the measurement object are selected out of a plurality of calibration curves generated based on reference spectra corresponding to a plurality of sections, into which a content percentage of each of a plurality of components is divided, and classified according to the sections using the measurement object spectrum and the reference spectra.

Abstract: A two-dimensional (2D) spectroscopy system and a 2D spectroscopic analysis method are disclosed. The 2D spectroscopy system includes: a light transmission delayer configured for forming a plurality of first light pulses from first light pulse and causing a relative time delay therebetween; a response pulse wave generator configured for generating a plurality of response pulse waves responds and having a relative time delay, and for irradiating the plurality of response pulse waves on the sample; an optical readout pulse array generator configured for forming an optical readout pulse array by splitting the second light pulse into a plurality of regions having different time delays and spatially discriminated from one another; and a reader configured for reading out by overlapping the optical readout pulse array with a signal generated from the sample.

Abstract: The present invention provides an interferometer and the like, that is capable of ensuring the speed stability of the movable mirror while achieving the speed up of the reciprocal movement of the moving mirror and suppressing the increment of the maximum instantaneous thrust force required for the turning back as much as possible. The interferometer includes a moving mirror, a movement mechanism for reciprocating the moving mirror, a movement control part for controlling the movement mechanism and allowing the moving mirror to be reciprocated at a constant speed, and a measurement part for measuring a position of the moving mirror. The movement control part is adapted to receive target position data indicating a target position of the moving mirror, and control the movement mechanism to bring the measurement position of the moving mirror measured by the measurement part close to the target position indicated by the target position data.

Abstract: The present invention discloses a chromaticity test method and a chromaticity test apparatus. The chromaticity test method comprises the following steps: S1 : measuring a size of a pixel of a product to be tested; S2: determining an aperture of a light transmission hole for testing according to the size of the pixel measured in S1; and, S3: selecting a corresponding light transmission hole according to the aperture determined in S2 and then performing a chromaticity test on the product to be tested. By the chromaticity test method provided by the present invention, the waste of time resulted from the inappropriate selection of a light transmission hole is reduced, and the test efficiency is improved while the accuracy of testing is ensured.

Abstract: A pyroelectric body includes an oxide containing iron, manganese, bismuth, and gadolinium, wherein the oxide has a perovskite-type crystal structure, and in the oxide, the ratio of the number of atoms of gadolinium to the total number of atoms of A-site elements is 8.0 at % or more and 18 at % or less. In the oxide, the ratio of the number of atoms of manganese to the total number of atoms of B-site elements is preferably 1.0 at % or more and 2.0 at % or less. In the oxide, the ratio of the number of atoms of titanium to the total number of atoms of B-site elements is preferably 0 at % or more and 4.0 at % or less. The pyroelectric body is preferably used at an environmental temperature in the range of ?40° C. or higher and 40° C. or lower.

Abstract: The invention relates to a heat-testing rig for a pantograph wearing strip (10), comprising a housing (11) for receiving said wearing strip to be tested; current supply and return means (13, 14), characterised in that it comprises at least one tool (15, 16, 17, 18, 19) carrying at least one segment (20, 21) of a catenary contact wire which can be supplied with current by said supply means and can be brought into mechanical contact with an upper surface of said wearing strip (10) to be tested, so as to form a point, known as the hot point, where current passes between this wire segment and said wearing strip, and means for measuring the temperature of said wearing strip. The invention further relates to a corresponding heat-testing method.

Abstract: A measuring object for use in a heating apparatus for the thermal treatment of substrates is described, wherein the measuring object is the substrate to be treated or an object which in use has a substantially known temperature relation to the substrate to be treated, wherein the measuring object comprises a surface having at least one surface area, which acts as a measuring surface for an optical temperature measurement. A predetermined structure in the form of a plurality of recessions is formed in the surface area, in order to influence the emissivity of the surface area.

Abstract: A wine thermometer is described. The wine thermometer is a device for measuring the temperature of a wine bottle comprising a wireless temperature sensing device and a display device. The wireless temperature sensing device comprises a resilient band which is sized and shaped to connect to a wine bottle, one or more temperature sensors and a wireless transmitter. The display device comprises a display and a wireless receiver. The display device is separate from and in wireless communication with the wireless temperature sensing device. The display device is arranged to receive temperature data from the temperature sensor and to indicate the temperature of the wine bottle as measured by the one or more temperature sensors. The wireless temperature sensing device may be located in a fridge, and be adapted for fridge use.

Abstract: A method for determining an actual temperature of a coil of an electric machine, includes detecting a voltage in a no-load state of the electric machine; detecting a current strength in an induced short circuit state of the electric machine; calculating an actual stator coil resistance as a function of the voltage detected during the no-load state and the current strength detected during the active short circuit” state; and calculating the actual temperature of the coil of the electric machine as a function of the actual stator coil resistance.

Abstract: Provided is a temperature detection circuit having less manufacturing fluctuations in detection temperature and capable of easily adjusting the manufacturing fluctuations in detection temperature. The temperature detection circuit includes: a constant current circuit configured to output a constant current; a voltage-controlled current circuit, which is controlled by a voltage output from a heat sensitive element and is configured to output a current corresponding to temperature; and a current comparator configured to compare the constant current and the current corresponding to temperature, and output a detection signal indicating that a predetermined temperature is detected. Temperature characteristics of the constant current circuit and temperature characteristics of the voltage-controlled current circuit have a correlation with each other.

Abstract: A method includes alternately coupling a selected one of a plurality of current sources and two or more of the plurality of current sources to a first terminal of a bipolar device during first and second phases of a modulator cycle of a plurality of modulator cycles. The method further includes providing sampled voltages from the first terminal of the bipolar device to a modulator to produce a modulator output signal, filtering the modulator output signal to produce a filtered output signal using a back-end filter having an impulse response, and determining a temperature in response to the filtered output signal.

Abstract: The invention concerns a heat-sensitive resistor with a negative or positive temperature coefficient, comprising respectively an antimony-doped tin oxide-based resistive element or a carbon black-based resistive element, containing a polymer having a dielectric constant between 2 and 3, a molar mass between 50000 and 150000 g/mol, and a glass transition temperature Tg between 40 and 100° C.

Abstract: To provide a high accuracy temperature detection device, a D/A conversion circuit includes a ladder network, constant current circuits and switch circuits. A temperature sensing circuit such as a diode is kept at a threshold temperature of a protecting operation against overheating and the switch circuits are switched according to a predetermined adjustment data value such that a temperature detection voltage is in a prescribed range. Since each of the switch circuits connects between corresponding one of the constant current circuits and a common terminal while disconnecting between the corresponding one of the constant current circuits and corresponding one of current terminals, an electric current flowing to the temperature sensing circuit is constant regardless of the adjustment data value and a correction resolution of the temperature detection voltage is constant.

Abstract: Methods and apparatuses for determining in-situ a temperature of a substrate with a thermal sensor in a vacuum chamber are described herein. In one embodiment a thermal sensor has a transmitter configured to transmit electromagnetic waves, a receiver configured to receive electromagnetic waves, and a controller configured to control the transmitter and receiver, wherein the controller determines a temperature from a difference between the transmitted electromagnetic wave and the received electromagnetic wave.

Abstract: The invention relates to a temperature distribution measuring apparatus for measuring a temperature distribution within an object caused by heating the object. A temperature distribution measuring unit (13, 71) measures the temperature distribution in a measurement region within the object, while the object is heated, and a temperature measurement control unit (22) controls the temperature distribution measuring unit such that the measurement region is modified depending on the measured temperature distribution, in order to measure different temperature distributions in different measurement regions.

Abstract: A temperature control system of a mobile device is provided. The system includes a memory for storing a set temperature value and a release temperature value, a temperature sensor for sensing an internal temperature of the mobile device; at least one module that emits heat, and a controller. The controller compares the output of the temperature sensor with the set temperature value in a normal mode in order to determine whether the mobile device is overheated, and controls, if the mobile device is overheated, the at least one module to operate in a heat generation suppressing mode, compares the output of the temperature sensor with the release temperature value in the heat generation suppressing mode in order to determine whether to release the heat generation suppressing mode, and executes the normal mode if the heat generation suppressing mode is released according to the comparison result.

Abstract: Certain example embodiments include a press sensor element that includes a piezoelectric layer having a first surface in communication with a first layer, the first layer including a first conductive region, where the first conductive region covers at least a central portion the first surface. The sensor element includes a second surface in communication with a second layer, the second layer including a second conductive region, a third conductive region, and a first non-conductive void region separating the second conductive region and the third conductive region. An area of the first conductive region is configured in size relative to an area of the third conductive region to substantially reduce a thermally-induced voltage change between two or more of the first, second, and third conductive regions responsive to a corresponding temperature change of at least a portion of the piezoelectric layer.

Abstract: A torque-measuring shaft includes a measuring shaft disposed on a shaft axis of the torque-measuring shaft, loadable in torsion and having at least one rotationally symmetric surface region disposed coaxially with the shaft axis as well as a measuring device disposed on the measuring shaft for measuring a torsion of the measuring shaft, wherein the torque-measuring shaft has a material weakening disposed in radial direction inside the measuring shaft, eccentrically relative to the shaft axis.

Abstract: A thrust bias detection system for a mobile machine is disclosed. The mobile machine may have a first track assembly and a second track assembly. The thrust bias detection system may have a first wear sensor configured to generate a signal indicative of a first wear measurement of a first track link surface, and a second wear sensor configured to generate a signal indicative of a second wear measurement of a second track link surface. The thrust bias detection system may also have a controller in communication with the first and second wear sensors and configured to determine whether at least one of the first and second track assemblies has experienced thrust bias, based on the signals.

Abstract: The present invention provides a mechanical arm and a pickup device. The mechanical arm includes a mechanical arm body and a pressure sensing system. The pressure sensing system is fixedly connected with the mechanical arm body, for sensing whether the mechanical arm body is to be collided with a picked-up object.

Abstract: A pressure-measuring cell having a ceramic measuring membrane and a ceramic counter body, wherein the measuring membrane is joined to the counter body in such a way that a pressure chamber is formed between the measuring membrane and the counter body. The pressure-measuring cell also has a capacitive transducer for detecting a pressure-dependent deformation of the measuring membrane, which capacitive transducer has at least one membrane electrode arranged on the measuring membrane and at least one electrode on the counter body side, wherein according to the invention at least one membrane electrode comprises a titanium oxide.

Abstract: A tire pressure decrease detection apparatus comprising a rotation speed information detection unit for detecting rotation speed information of wheels of a vehicle, a resonance frequency estimate unit for time-series estimating a torsional resonance frequency of the rotation speed information from the rotation speed information obtained by the rotation speed information detection unit, and a judgment unit for judging a decrease in pressure of tires installed in the wheels based on the estimated torsional resonance frequency. The resonance frequency estimate unit includes a noise removal unit for removing a noise superimposed on a wheel speed signal serving as the rotation speed information for each of the wheels with using an active noise control technology.

Abstract: A Long Lifetime Cold Cathode Ionization Vacuum Gauge Design with an extended anode electrode having an axially directed tip, a cathode electrode, and a baffle structure. The axially directed tip of the anode electrode can have a rounded exterior with a diameter at least 10% greater than the diameter of the anode electrode.

Abstract: A calibration apparatus for a wheelchair dynamometer include a body, a motor, a sensor, a wheel and a controller. The motor may be installed at the body to generate a torque. The sensor may be configured to measure a torque or a revolution per minute (RPM) generated from the motor. The wheel may be rotated by the torque. The controller may be configured to control the torque or the RPM generated from the motor and display a torque or a RPM measured by the sensor.

Abstract: In an embodiment, a method for calibrating a pressure sensor device is disclosed. The method involves determining the resonant frequency of a membrane of the pressure sensor device after the pressure sensor device has been attached to a circuit board, calculating a change in the resonant frequency from a resonant frequency stored in memory, calculating strain of the membrane of the pressure sensor device from the change in resonant frequency, and calibrating the pressure sensor device based on a capacitance-to-pressure curve calculated using the strain of the membrane of the pressure sensor device.

Abstract: A method and apparatus for testing a duct leak detection system of an aircraft is disclosed. A sensor of the duct leak detection system is selected at an interface of the duct leak detection system. An alternating current is sent through the selected sensor and a resistance of the selected sensor is measured using the alternating current. An indicative signal is generated at the interface when the measured resistance of the selected sensor is outside of a specification of the selected sensor.

Abstract: A micromechanical shock sensor includes a proof mass coupled to a surface of a substrate and a projection element extending laterally from the proof mass. The shock sensor further includes a latch mechanism and a retention anchor. The latch mechanism has a latch spring attached to the surface and a latch tip extending from a movable end of the latch spring. The retention anchor is attached to the surface and is located proximate the latch tip. The proof mass is configured for planar movement relative to the substrate when the proof mass is subjected to a force of at least a threshold magnitude. Movement of the proof mass in response to the force causes the latch tip to become retained between the projection element and the retention anchor to place the shock sensor in a latched state. The latched state may be detected by optical inspection, probe, or external readout.

Abstract: An apparatus including a piston bore, exhibiting a longitudinal axis, and a piston, including a piston head and a piston shaft. The piston being axially displace-able within the piston bore along the longitudinal axis. The piston bore and a first surface of the piston head form a first working volume and displacement of the piston alters the first working volume. The apparatus also includes a first plurality of injectors coupled to the first working volume and a first common rail. The first plurality of injectors are configured to inject a hydraulic fluid from the common rail into the first working volume. The first common rail is configured to store the hydraulic fluid at an elevated pressure of 1,000 bar or greater. The apparatus includes a flow path between the first working volume and a reservoir for the hydraulic fluid.

Abstract: A tire performance testing apparatus capable of reproducing conditions in which tire runs on actual road having a pothole, that is, conditions in which tire hits projection after moving in the air. The tire performance testing apparatus includes a tire running surface, a projection installing surface disposed on the front side of the end of the tire running surface in the traveling direction of a vehicle traveling on the tire running surface and positioned lower than the end of the tire running surface, and a projection disposed on the projection installing surface in such a manner as to protrude upward from the projection installing surface. And the distance between the end of the tire running surface and the projection is so set that the tire of a vehicle traveling on the tire running surface hits the projection after getting airborne away from the end of the tire running surface.

Abstract: A tire defect tester and a method of operation are disclosed. In one aspect, the tire defect tester includes a first electrode arranged to direct energy toward a tire, and a second electrode arranged on an opposite side of the tire from the first electrode to receive energy passing through the tire from the first electrode. The tire defect tester further includes an energy sensor electrically connected to the second electrode and a fault indicator circuit responsive to the energy sensor and configured to indicate the presence of a flaw upon energy above a threshold level being sensed at the second electrode.

Abstract: An apparatus for testing a vehicle airbag ECU is provided. The apparatus includes a support plate having a first surface for mounting the airbag ECU and a wheel rotatable about a rotational axis. An input chute is positioned above the wheel and configured to direct an aggregate to the wheel. A motor is connected to a power supply and drivingly connected to the wheel. A controller is programmed to operate the motor and to selectively vary a rotational speed of the motor and the wheel. The wheel is configured to project the aggregate to impact a second surface of the support plate that is opposite the first surface.

Abstract: A method for creation of a non-destructive inspection (NDI) standard employs a coupon of bonded layers or a composite structure having a predetermined thickness. A predetermined pulse width is defined. The coupon and a laser source are positioned with respect to one another and the laser source is used to create a laser pulse having the predetermined pulse width to create a disbond or delamination in the bond layer at a predetermined location. The coupon may then be used as a standard for calibration of NDI inspection tools by scanning the coupon with the tool to provide an inspection output. The output is then examined to confirm that the disbond or delamination in the coupon is properly identified in the output.

Abstract: A gasoline blend spot sampling system and method including an adjustable volume mechanism for retaining an adjustable volume of gasoline for sampling, a coolant system integrated with the adjustable volume mechanism, and a sample collection assembly using a blunt-end tube for use with an open-mouthed bottle. Various three-way valves are actuated to route gasoline through various stages of a sampling process, from a gasoline fast loop to a purge loop to a gasoline capture stage to a sample bottling stage.

Abstract: The invention relates to a method and a sample separation device (400) for the separation of material from a region of interest, the “sample-ROI” (RS), in a biological sample (11). An embodiment of the invention comprises the application of a structured cover sheet (20) that has an aperture (24) at the sample-ROI to the sample (11). Sample material can then selectively be removed from the sample-ROI through the aperture (24) in the cover sheet. The cover sheet (20) may for example be a tape with an adhesive on one side. The aperture (24) in the cover sheet (20) may automatically be cut out after the selection of a region of interest in a (microscopic) image (I) of the sample. Alternatively, the structured cover sheet (20) maybe produced by printing or plotting. Moreover, sample material may preferably be removed by lysing and may further be subjected to molecular diagnostics (MDx).