Abstract: A method for measuring a velocity of a fluid, comprising the steps of, acquiring an ultrasonic measuring signal after it has travelled in the fluid over a path of defined length; defining measurement zone of the ultrasonic measuring signal which includes a plurality of measurement lobes; for each measurement lobe, measuring a zero crossing point associated with said measurement lobe; selecting at least two zero crossing points which satisfy a predefined precision criterion; estimating a time of flight for the ultrasonic measuring signal from the selected zero crossing points; utilizing the time of flight to estimate the velocity of the fluid.

Abstract: An ultrasonic flowmeter comprising a conduit in a support housing and at least two ultrasonic transducers in a measuring insert which can be inserted into the support housing and the conduit perpendicularly to the conduit. The conduit comprises a circular cylindrical receptacle with a diameter larger than the inside diameter of the conduit and a depth encompassing the inside of the conduit, for inserting the measuring insert into the conduit perpendicular to the flow direction. Four ultrasonic transducers are provided in a wall of the measuring insert, the transducers define at least two measuring paths which cross each other in top view. The transducers are arranged in the measuring insert wall such that ultrasonic signals emitted and received by the ultrasonic transducers on the measuring paths have a transit time difference th?tr dependent on the flow velocity v and/or the flow rate Q of a fluid flowing in the conduit.

Abstract: A method for determining a temperature of a fluid flowing through a pipe section includes: determining a temperature of the pipe section; obtaining a reference temperature at a distance from a surface of the pipe section; determining a heat transfer behaviour, in particular a thermal resistance, of a boundary layer of the fluid on an inner wall of the pipe section based on at least one material property and/or at least one value of a state variable of the fluid; and determining the temperature of the fluid based on the heat transfer behaviour of the boundary layer, a heat transfer behavior, in particular a thermal resistance, of the pipe section, the temperature of the pipe section, and the reference temperature.

Abstract: The Coriolis mass flowmeter comprises a measuring transducer having at least one measuring tube (10), an exciter mechanism and a sensor arrangement as well as, both electrically coupled with the exciter mechanism as well as also with the sensor arrangement, an electronic transmitter circuit (ME) having a measurement- and control electronics (MCE) and a drive electronics (Exc) connected to the measuring and control electronics and/or driven by the measuring and control electronics. The measuring tube is adapted to convey a fluid measured substance flowing at least at times and during that to be caused to vibrate.

Abstract: The present disclosure provides a method for regulating an inert gas flow in a crystal pulling furnace, a method for preparing monocrystalline silicon, and monocrystalline silicon. The method for regulating an inert gas flow includes introducing the inert gas into a main furnace chamber of the crystal pulling furnace from an auxiliary furnace chamber of the crystal pulling furnace, and regulating a flow direction of the inert gas flow introduced into the auxiliary furnace chamber of the crystal pulling furnace.

Abstract: A foam-level detector is disclosed. The foam-level detector includes mesh disposed on one or more arms attached to a carrier. The carrier is configured to engage a tube so as to be slidable along the longitudinal axis of the tube. The mesh is configured to engage a foam layer such as to float at or near the surface of the foam. The arms may be pivotally attached to the carrier. The carrier may include a magnet configured to magnetically engage a magnet disposed in the tube. The magnet in the tube may be configured to electrically connect two materials, each material having an electrical resistance per unit length of the material. A measure of the resistance of the conductive path formed by the magnet in the tube and the two materials may be used to infer the position of the foam-float along the tube.

Abstract: A measurement apparatus includes a first sensor, scanner head, and computing device coupled to the first sensor that stores relative signal level ranges at selected spectral marker region(s) compared to a common region each corresponding to a composite sheet material grade and an associated sensor calibration. The computing device measures a first signal in the spectral marker region and a second signal in the common region of a composite sheet including a sheet material and a high-z material, determining a current relative signal level comparing a current signal level of the first and second signal, and identifying a current composite sheet material grade for the composite sheet from the composite material grades using the current relative signal level. Based on the current composite material grade a current sensor calibration is chosen from the sensor calibrations, and ?1 physical parameter for the composite sheet is determined from the current sensor calibration.

Abstract: The invention relates to a device (50; 50a to 50c) for determining the weight of a capsule (10) arranged in a receptacle (26) of a capsule holder (25) of an incrementally rotated conveyor wheel (21), comprising a transfer device (52; 52a to 52c) for transferring at least one capsule (10) from the capsule holder (25) into a capsule receiver (55) having a plurality of receptacles (54) for respectively one capsule (10), and back again, wherein the capsule receptacle (55) has a movable arrangement in a plane parallel to the conveyor plane of the conveyor wheel (21).

Abstract: An axle load measuring apparatus includes a displacement calculator, a storage, and an axle load calculator. The displacement calculator detects displacements of positions on a road caused by an axle load using a captured image of the road and a vehicle thereon. When a certain amount of load is applied to a predetermined position of the road, the storage stores a displacement function representing shape information of a spatial distribution of a displacement of the road originated from the predetermined position. The axle load calculator calculates the axle load based on the displacements of the positions and the displacement function.

Abstract: A weighing apparatus includes a load cell, a fixing portion to which one end of the load cell is fixed, a hopper configured to store articles, a connecting portion configured to connect the other end of the load cell and the hopper to each other, a first support portion facing a first portion provided to the load cell or the connecting portion via a first gap and configured to support the first portion along a first direction when a first limit load acts on the hopper, and a second support portion facing a second portion provided to the load cell or the connecting portion via a second gap and configured to support the second portion along a second direction intersecting the first direction while the first support portion supports the first portion when a second limit load larger than the first limit load acts on the hopper.

Abstract: A method and system of managing the acquisition of food in a commercial environment. An example method includes receiving, from a first scale, a container weight of a container when food is removed from the container. The method also includes determining a removed weight of the food from the container based on the container weight relative to an initial container weight, receiving, from a second scale, a plate weight of a plate when the food is added to the plate. The method also includes determining an added weight of the food to the plate based on the plate weight relative to an initial plate weight, determining whether the removed weight and the added weight match, and responsive to determining that the removed weight and the added weight match, providing information related to the food to be presented on a user interface at the food station.

Abstract: An apparatus for measuring the weight of a person, wherein the weight measuring apparatus has at least one digital display and operator control unit. The at least one display and operator control unit is connectable to the weight measuring apparatus in at least two different positions in the region of a top segment thereof, so as to realize improved operability of the apparatus from different sides.

Abstract: A monolithic weighing block is produced according to the principle of additive manufacturing, that is, 3D printing.

Abstract: A failure diagnosis system includes a sensor that is provided in a diagnosis target device and detects diagnosis target information of the diagnosis target device, an abnormality determination unit that determines whether or not an abnormality occurs in the diagnosis target device based on the diagnosis target information detected by the sensor, a storage unit that stores a site of the diagnosis target device where the abnormality determination is possible and a sensor installation location where a sensor needs to be installed for the abnormality determination of the site, a designation reception unit that receives designation of a site where the abnormality determination is performed, and a presentation unit that executes predetermined presentation processing. The presentation processing by the presentation unit includes processing of presenting the sensor installation location where the sensor needs to be installed to perform the abnormality determination of the designated site.

Abstract: A sensing system implements one or more MEMS microphones in order to measure mechanical waves. The sensing system can be part of a larger system used to determine motion and position of a user's hand or other body part. The MEMS microphones can be part of a plurality of MEMS microphones. There may additionally be MEMS microphones that transmit mechanical waves at certain frequencies that can be measured by the MEMS microphones and subsequently distinguished from other mechanical waves and used to determine additional information regarding movement and position.

Abstract: The present disclosure provides a vibration sensor, an audio device, and a method for assembling the vibration sensor. The vibration sensor includes a housing having an inner wall and an inner chamber, a gasket, an elastic film, and a MEMS chip having a back cavity; the gasket, the elastic film, and the MEMS chip received in the chamber; the gasket attached onto the inner wall, the elastic film attached onto one side of the gasket opposite to the inner wall, and the MEMS chip attached onto one side of the elastic film opposite to the gasket; a concave hole being defined in one side of the gasket facing the elastic film, the elastic film covering the concave hole, a through hole being defined in the elastic film and passing through the elastic film, and the through hole communicating the concave hole with the back cavity.

Abstract: According to one embodiment, a vibration detecting device includes a housing, a vibration sensor, a circuit board, a flexible wiring member, and an elastic member. The vibration sensor is accommodated in the housing. The circuit board is accommodated in the housing, and is provided with a first electric component configured to process a detection signal of the vibration sensor. The wiring member electrically connects the vibration sensor and the circuit board to each other. The elastic member contains a polymer material, and is accommodated in the housing as being in contact with the housing and the circuit board, and being detachable from the housing. The circuit board is held by the housing through the elastic member.

Abstract: Certain configurations are described herein of an optical spectrometer and instruments including an optical spectrometer. In some instances, the optical spectrometer is configured to spatially separate provided wavelengths of light to permit detection or imaging of each provided wavelength of light. Improved sensitivities and detection limits may be achieved using the optical spectrometers described herein.

Abstract: According to an aspect, there is provided a spectrometer comprising a first and second enclosed volumes. The second enclosed volume is formed by an absorption cell for containing a sample gas. The first enclosed volume of the spectrometer comprises an interferometer with a source of electromagnetic radiation, a first focusing mirror adapted to focus electromagnetic radiation received from the interferometer to the absorption cell, a second focusing mirror adapted to focus electromagnetic radiation received from the absorption cell and a detector adapted to detect electromagnetic radiation focused by the second focusing mirror. Moreover, the spectrometer comprises a main frame plate on which elements in the first enclosed volume are mounted and which is fixed to the absorption cell arranged on an opposing side of the main frame plate.

Abstract: An optical module includes: a mirror unit having a movable mirror and a fixed mirror; a beam splitter unit; a light incident unit that causes measurement light to be incident to the beam splitter unit; a first light detector that detects interference light of the measurement light; a second light source that emits laser light; a second light detector that detects interference light of the laser light; a first mirror that allows the measurement light to be transmitted therethrough and reflects the laser light; a second mirror that reflects a part of the laser light and allows the remainder of the laser light to be transmitted therethrough; a third mirror that reflects the laser light; and a return light suppressing unit that suppresses the laser light from becoming return light, and is disposed on a side opposite to the second optical device with respect to the second mirror.

Abstract: The present disclosure relates to a sensor device and an electronic device capable of providing a better spectral characteristic. A sensor device is provided with a semiconductor substrate on which a photodiode is formed, a filter included in a multilayer structure stacked on a light-receiving surface side of the semiconductor substrate, and a moth-eye structure arranged on an outermost surface above the filter. Then, a surface plasmon resonance filter or a Fabry-Perot resonator filter is used as the filter. The present technology may be applied to, for example, a spectral device which performs multi-spectroscopy or hyperspectral spectroscopy.

Abstract: A method includes determining a fielded color measurement instrument is not calibrated to measure light emitted by a fielded light emitting device, assembling a calibration matrix, such that a product of the calibration matrix multiplied by a response of the fielded color measurement instrument to the light emitted by the fielded light emitting device is a triplet that corresponds to a Commission Internationale de L'éclairage XYZ color space, wherein the calibration matrix contains measurements made by the fielded color measurement instrument of a first plurality of lights emitted by the fielded light emitting device and measurements made by a spectroradiometer of a second plurality of lights emitted by a reference light emitting device of a same make and model as the fielded light emitting device, wherein the spectroradiometer is located remotely from the fielded color measurement instrument, and storing the calibration matrix on the fielded color measurement instrument.

Abstract: A method for inspecting a heatsink in which a heat dissipation layer is formed on a surface of a substrate formed by casting, includes shooting the heat dissipation layer by image pickup means in a state where residual heat transferred from the substrate to the heat dissipation layer remains and thereby acquiring image data representing a temperature distribution on a surface of the heat dissipation layer, the heat dissipation layer being formed by performing a film-forming process on the surface of the substrate where residual heat that is generated when the substrate is cast remains, the image pickup means being configured to receive an emission of light from molecules of the heat dissipation layer.

Abstract: A heat source detection device is a heat source detection device that detects a heat source on the earth using observation data of a radiometer provided in a geostationary satellite and includes: a calculation unit that calculates a heat source proportion value indicating a proportion of a wavelength distribution due to the heat source included in the observation data to the observation data by curve fitting using Planck's law; and a determination unit that determines presence or absence of the heat source according to the heat source proportion value calculated by the calculation unit.

Abstract: The present invention is a motion detection system that will consistently report detected movement, while reducing the number of false reports. The motion detection system includes a receiver and a dual sensor motion detector. The dual sensor motion detector utilizes sensors mounted in a weatherproof chassis. The dual sensors are located at the same vertical height in the weatherproof chassis and separated by a predetermined distance from the center of the chassis. Each sensor is rotated at an angle away from the center of the chassis. Each sensor has a coverage area dictated by its viewing angle (or field-of-view) and viewing distance. By utilizing dual sensors, a user can set the dual sensor motion detector to an AND operation or an OR operation. Motion is detected when both sensors detect movement simultaneously or motion is detected when any one of the two sensors detects movement.

Abstract: According to an example, a technique for image processing is provided, the technique comprising: obtaining a first image and a second image that at least partially illustrate the same real-world scene, wherein the first image comprises a visible light image and the second image comprises a thermal image; identifying one or more spatial portions of the second image that represent a predefined temperature range; identifying one or more spatial portions of the first image that illustrate the same portions of the real-world scene as illustrated in the identified one or more spatial portions of the second image; and deriving, based on the first image, a composite image wherein the identified one or more spatial portions of the first image are emphasized.

Abstract: An electromagnetic wave sensor that limits the influence on bolometer membranes that is caused by heat from a local heat source is provided. Eelectromagnetic wave sensor has first substrate, second substrate that faces first substrate so as to form inner space between first substrate and second substrate, wherein second substrate transmits infrared rays; a plurality of bolometer membranes that is provided in inner space and that is supported by second substrate; local heat source that is formed in first substrate; first electric connection member that connects first substrate to second substrate; and lead that extends on or in second substrate and that connects first electric connection member to bolometer membrane.

Abstract: In one respect, disclosed is a device or system for solar irradiance measurement comprising at least two irradiance sensors deployed outdoors at substantially different angles, such that, by analysis of readings from said irradiance sensors, direct irradiance, diffuse irradiance, and/or global irradiance are determined. In another respect, the disclosed device or system may additionally determine ground-reflected irradiance.

Abstract: Temperature probe hubs are disclosed. An example temperature probe hub includes a housing and a control button. The housing includes a base. The base has a central portion, a peripheral portion bounding the central portion, and a filler extending between the central portion and the peripheral portion. The filler is configured to move the central portion relative to the peripheral portion in response to a compressive force applied to the filler. The control button is located within the housing. The control button is configured to be actuated in response to movement of the central portion of the housing relative to the peripheral portion of the housing.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for a device with improved ambient temperature detection. In some implementations, a device includes a housing that forms an interior space, and the housing includes an exterior surface, a pass-through region that defines a through-hole between the interior space to the exterior surface, and a recess at the exterior surface adjacent to the pass-through hole. The device includes a printed circuit board disposed within the interior space of the plastic housing.

Abstract: In one embodiment, a method includes receiving at a thermal modeling module, data from a Power Sourcing Equipment device (PSE) for cables extending from the PSE to Powered Devices (PDs), the cables configured to transmit power and data from the PSE to the PDs, calculating at the thermal modeling module, thermal characteristics for the cables based on the data, and identifying a thermal rise above a specified threshold at one of the cables. The data comprises real-time electrical data for the cables. An apparatus and logic are also disclosed herein.

Abstract: Temperature probe hubs are disclosed. An example temperature probe hub includes a housing, a drain, and a probe jack. The drain extends through the housing. The probe jack is located within the housing in fluid communication with the drain. The drain is configured to remove fluid from the probe jack.

Abstract: A platinum resistance temperature sensor having a housing that contains a platinum member. The housing includes a first substrate having a first support and a second support spaced apart from an upper surface of the first substrate. The first support of the first substrate supports a first portion of the platinum member and the second support supports a second portion of the platinum member. Medial portions of the platinum member are suspended over the upper surface of the first substrate between the first support and the second support.

Abstract: The present invention relates to a sensor for measuring temperature of a fluid within a vessel, the vessel having a first region and a second region and the fluid having a temperature profile extending between the first region and the second region, the sensor comprising an array of elements, each element having a temperature-dependent parameter, the array being capable of deployment within or adjacent the vessel such that the array extends along the vessel for measuring the temperature profile, the elements of the array being coupled together between an input and an output, the input being coupled or capable of being coupled to a driving source for driving the sensors, and the output being coupled or capable of being coupled to a detector for measuring an aggregate of the temperature-dependent parameter from the array of elements.

Abstract: An antenna device according to an exemplary embodiment includes a first metal layer, a first dielectric layer, a second metal layer, and a second dielectric layer. The first dielectric layer has a thermal conductivity and heat resistance that are higher than those of an FR-4 resin. The antenna device includes a first metal terminal and a second metal terminal, and a thermosensor. A pair of an input terminal and an output terminal of the thermosensor are electrically connected to the first metal terminal and the second metal terminal, respectively, and the second metal layer includes a first segment and a second segment. The first metal terminal is disposed above the first segment, and the second metal terminal is disposed above the second segment.

Abstract: A temperature measurement sensor according to an exemplary embodiment includes a substrate and an optical fiber provided on an upper surface of the substrate and extending along the upper surface. The temperature measurement sensor further includes a light introduction path of a space that allows a space above the upper surface and a space below a lower surface of the substrate to communicate with each other and an optical coupling portion provided on the upper surface and disposed in the light introduction path. The optical coupling portion is optically connected to the end surface of the optical fiber. The optical fiber forms the first pattern shape and the second pattern shape. The first pattern shape includes the optical fiber more densely than the second pattern shape. Light incident on the optical coupling portion from a side of the lower surface through the light introduction path reaches the end surface through the optical coupling portion.

Abstract: A generated-heat-quantity measuring method is a method that measures a generated heat quantity of a heat generating component mounted on a substrate.

Abstract: A pressure adaptive sensor system has at least one transmitting antenna and at least one receiving antenna adapted to receive a signal from at least one transmitting antenna. A measurement of received signals is used in order to determine pressure of an operable portion of the electrode on an object. The determined pressure is used by a pressure actuator to alter a contact profile when an electrode is in contact with skin or a surface.

Abstract: Disclosed are functional materials for use in additive manufacturing (AM). The functional material can comprise an elastomeric composition (e.g., a silicone composite) for use in, for example, direct ink writing. The elastomeric composition can include and elastomeric resin, and a magnetic nanorod filler dispersed within the elastomeric resin. Nanorod characteristics (e.g., length, diameter, aspect ratio) can be selected to create 3D-printed constructs with desired mechanical properties along different axes. Furthermore, since nickel nanorods are ferromagnetic, the spatial distribution and orientation of nanorods within the continuous phase can be controlled with an external magnetic field. This level of control over the nanostructure of the material system offers another degree of freedom in the design of functional parts and components with anisotropic properties. Magnetic fields can be used to remotely sense compression of the constructs, or alternatively, control the stiffness of these materials.

Abstract: In one aspect the invention provides a soft electronic component having a signal electrode and one or more shielding electrodes overlapping the signal electrode to shield the signal electrode, wherein the soft electronic component is arranged to provide one or more signal-coupling regions in which the signal electrode is exposed by the one or more shielding electrodes to allow capacitive coupling of the signal electrode to a signal electrode of another component, wherein the one or more shielding electrodes are arranged to provide one or more shield-coupling regions to allow the capacitive coupling of a shielding electrode to the other component, and wherein the coupling region is covered by a dielectric material.

Abstract: A charge amplifier that converts a charge signal to a voltage signal includes: a first conductive member through which the charge signal propagates; a second conductive member that is provided along at least a portion of the first conductive member; an insulating member provided between the first conductive member and the second conductive member; a potential controlling voltage signal output circuit that is connected to the second conductive member, and is configured to supply a potential controlling voltage signal to the second conductive member; and an integrating circuit that includes an input terminal and an output terminal, the input terminal being connected to the first conductive member, and is configured to output the voltage signal from the output terminal.

Abstract: A mechanical-stress sensor comprises a piezoelectric transducer (10), which is able to generate an electrical signal representing a shear stress. The piezoelectric transducer (10) comprises: a layer of piezoelectric material (11), which extends in a longitudinal direction and has a polarization axis (A), which extends in a direction transverse to the longitudinal direction; and at least one first electrode (E1) and one second electrode (E2), each having a plurality of fingers (F1, F2), which extend at a first major face and a second major face, respectively, of the layer of piezoelectric material (11).

Abstract: A force sensor including a first surface and a second surface facing each other in a first direction; a first protrusion protruded from the first surface toward the second surface; a first electrode on the first protrusion; a first force sensing layer on the first electrode; a second protrusion protruded from the second surface toward the first surface; and a second electrode on the second protrusion; wherein the first protrusion and the second protrusion are not overlapped with each other or are partially overlapped with each other.

Abstract: A semiconductor device includes a strain gauge on a substrate, the strain gauge configured to measure a stress of the substrate; and a temperature sensor disposed within the substrate, the temperature sensor being decoupled from the stress of the substrate.

Abstract: A toe dynamometer is configured to accurately and precisely measure toe extensor strength. The toe dynamometer includes a platform configured to accommodate a patient's foot, and a sensor assembly comprising a force sensor and a toe cap connected to the force sensor. The force sensor is configured to measure forces applied to the force sensor by toe flexion on the force sensor and from toe extension away on the force sensor through the toe cap.

Abstract: An apparatus and a method for detecting an impact using a speaker mounted in a vehicle, the apparatus includes at least two or more speakers mounted on different locations in a vehicle and a processing device that receives an induction current output from each of the at least two or more speakers when an external impact occurs on the vehicle, determines a current level of the induction current, and determines at least one of an intensity level of the impact or an impact location of the external impact based on the current level.

Abstract: A contact force measuring device for measuring a contact force of a spring contact includes a measuring probe having a height in a contact region identical to the height of the contact pin that fits into an opening defined between a pair of opposing spring contact arms of the spring contact. The probe includes an upper insulator element attached to an upper side of a piezoelectric element, and a lower insulator element is attached to a lower side of the piezoelectric element opposite the upper side. The contact force measuring device includes a holding device connected to one end of the probe, an evaluation unit, a supporting device and a positioning device.

Abstract: A force measurement system is disclosed herein. The force measurement system includes a force measurement assembly with at least one load transducer beam having a load transducer frame portion, and a plurality of deformation sensing elements disposed on the load transducer frame portion, a first one of the plurality of deformation sensing elements being sensitive to a first force component of the load and outputting a first output signal representative of the first force component of the load, and a second one of the plurality of deformation sensing elements being sensitive to a second force component of the load and outputting a second output signal representative of the second force component of the load, the first force component of the load being different from the second force component of the load; and a data processing device operatively coupled to the plurality of deformation sensing elements of the load transducer beam.

Abstract: The invention discloses a calculation method of ultimate moment resistance and moment-rotation relation for steel beam to concrete-filled steel tube column connections with bidirectional bolts, wherein the calculation method as follows: calculate ultimate moment resistance values of the connection for different failure modes, i.e. yielding of the endplate or T-stub in bending, failure of bolts in tension, failure of column in transverse compression, failure of panel zone in shear, and yielding of the steel beam in bending; the smallest one in the five ultimate moment resistance values is taken as the ultimate moment resistance of the connection; obtain the initial rotational stiffness of the connection by the test, simulation or theoretical calculation; then, the moment-rotation curve of the connection is obtained by substituting the initial rotational stiffness and the ultimate moment resistance into the proposed exponential model for the moment-rotation relation.

Abstract: A connection structure of a diaphragm pressure gauge contains: a holder, a coupling sleeve, a disc, a curved abutting bar, a fixing element, a case, a screw element, a circular film, and a defining element. The holder is connected to the coupling sleeve, multiple spaced ribs of the holder extend out of the coupling sleeve, and the holder includes the multiple spaced ribs. One of the multiple spaced ribs has at least one spaced protrusion, the disc includes at least one first locating orifice, the curved abutting bar includes a second locating orifice, and the at least one first locating orifice is fitted with the second locating orifice. The curved abutting bar abuts against the fixing element, and the defining element, the circular film and the screw element are connected below the fixing element to produce the diaphragm pressure gauge. The case is covered on the diaphragm pressure gauge.