Abstract: An instrument includes: a liquid-crystal display device including a display element and light sources provided along one side surface extending in the Y direction of the element; a first case having a reference positioning pin, and other positioning pins; and a second case having a reference hole into which the reference positioning pin is inserted, other holes into which the other positioning pins are inserted, a first region in which a first pointer-type instrument is provided, a second region in which a second pointer-type instrument is provided, and a third region in which the liquid crystal display device is provided between the first region and the second region. The third region has an edge corresponding to the position where the side surface 4a is disposed, and the reference hole is provided on the edge side with respect to the center of the third region in the X direction.

Abstract: Disclosed herein are an elastic encoder and manufacturing method thereof. The elastic encoder of the present invention includes a reinforcing rim which has a reinforcing body and a reinforcing flange formed along a peripheral part of the reinforcing body and which is manufactured using a metallic material; and a plastic magnet which is bound to the reinforcing flange so as to surround the reinforcing flange, includes synthetic resin, rubber material, and magnetic powder, and has a plurality of magnetic poles magnetized in a circumferential direction.

Abstract: A product [11] includes a foldable clamshell-type housing [10] folded to a closed position to contain a pre-formed sensor pad [17] that was formed in situ therein when the housing [10] was in an open position, prior to closing. The housing [10] has an enclosed volume [12] bounded by relatively thin and flexible walls [23, 34], and outwardly extending tabs [18] which facilitate opening. This structure enables the user to easily open the housing [10] to remove the sensor pad [17], a cured silicone composition, by pushing inward on an outer surface of the outer wall [34] of a base section [15] of the housing [10]. This product [11] reduces the amount of manipulation needed to place the sensor pad [17] in a desired position, for example, during installation of a rain sensor system for a vehicle windshield.

Abstract: A sensor according to an embodiment of the present disclosure includes: a base material; a sensor element placed on the base material; a wiring line electrically coupled to the sensor element; and a stretchable member that covers the sensor element and the wiring line and is bonded to the base material.

Abstract: A sensor module includes: a base member; at least one of a single or a plurality of sensors and vibrators arranged on the base member; and a protective member constituted of at least one flat surface or a curved surface, provided so as to cover the at least one of the sensors and the vibrators. A part or whole of the protective member is formed of a strengthened glass and the strengthened glass is a chemically strengthened glass or a physically strengthened glass.

Abstract: A portable metrology stand is disclosed that has three primary legs, which are rigidly, rotatably attached to a base support, which prevents the leg tubes from rotating outwardly beyond a defined angle by adjustable hard stops associated with the base support. The base support is itself supported by a center column disposed between the three legs. The legs are rigidly displaced from the center column by struts. A tensioning nut is threaded onto a bottom end of a clamping collar which is pulled up against an adjustable snap-ring in a snap-ring groove in the center column. Tightening the tensioning nut onto the clamping collar draws the clamping collar down into the tensioning nut thereby forcing outwardly the struts and forcing the legs against the adjustable hard stops.

Abstract: The present invention is a laser aligning tool that has two weight bodies, a laser pointer unit, and a threaded tubular shaft. The laser pointer unit is positioned within one of the two weight bodies. While both weight bodies are similar in shape and mass, and both connected to the threaded tubular shaft, only the weight body without the laser pointer unit can be detached from the threaded tubular shaft. The user may remove and place one weight body to the flange opening and introduce the threaded tubular shaft with the other weight body to the opening of another flange in preparation of alignment. The user may then turn on the laser pointer unit and ensure the laser beam traverse through both threaded tubular shaft and the detached weight body for proper alignment.

Abstract: Methods and apparatus are disclosed for calibration determinations for handheld moisture meters in the field. A calibration reference stand emulates a sample with an equivalent moisture content, allowing rapid determination whether a moisture meter is out of calibration, or determination of a new calibration value. The calibration reference stand includes an electromagnetic load, which can be formed of a metal sheet or high dielectric constant material, supported on a platform, and mechanical fixturing for reproducible positioning of a moisture meter on the stand. Associated methods and variations are disclosed.

Abstract: A variable area flowmeter having a float and having a display unit, the display unit includes a pointer element, the pointer element is connected directly or indirectly to the float such that the pointer element is mechanically deflected by the float during the measuring process. The variable area flowmeter that operates particularly reliably and is flexibly applicable at the same time is achieved in that the display unit comprises at least one bi-stable display which only requires an energy supply in order to modify the displayed representation and/or to restore the representation.

Abstract: Transmission/reception units 1 are fixed to both sides of a pipe body P in a clamp type. The transmission/reception unit 1 has a mounter 3 provided with a through-hole 3c and a transmitter/receiver 4 inserted into the through-hole 3c. The transmitter/receiver 4 has a surface contact portion 4a, an element fixing portion 4b provided with an installation hole 4c, and a ultrasound transmitting body 4e installed in the installation hole 4c. A transmitting/receiving element 4h is attached on a top surface 4g of the ultrasound transmitting body 4e. When the mounter 3 is fastened, a force applied to the mounter 3 is transmitted to the surface contact portion 4a such that the surface contact portion 4a comes into close contact with the pipe body P, therefore an ultrasonic beam is transmitted smoothly between the pipe body P and the transmitting/receiving element 4h.

Abstract: A sensor apparatus is provided for measuring within a region of a conduit for guiding a flow. The apparatus includes a transducer arrangement disposed at least partially around an external surface of a wall of the conduit and having one or more driver elements for exciting in operation a helical acoustic wave propagation within the wall of the conduit for leaking acoustical energy from the helical acoustic wave propagation over an extensive area of the wall of the conduit for stimulating waves in chordal paths within the flow, wherein the waves in the choral paths within the flow reenter the wall of the conduit to propagate further as a guided helical wave. The transducer arrangement includes one or more sensors for receiving a re-entered portion of the acoustic wave propagation along the paths within the flow which interacts with the flow and includes information characterizing properties of the flow.

Abstract: The present disclosure provides methods and systems for successfully and accurately measuring the flow velocity, velocity fluctuation and velocity profile of flows of fluids with unprecedented resolution.

Abstract: A vibratory flowmeter (5) for meter verification is provided, including meter electronics (20) configured to vibrate the flowmeter assembly (10) in a primary vibration mode using the first and second drivers (180L, 180R), determine first and second primary triode currents (230) of the first and second drivers (180L, 180R) for the primary vibration mode and determining first and second primary mode response voltages (231) generated by the first and second pickoff sensors (170L, 170R) for the primary vibration mode, generate a meter stiffness value (216) using the first and second primary mode currents (230) and the first and second primary mode response voltages (231), and verify proper operation of the vibratory flowmeter (5) using the meter stiffness value (216).

Abstract: A method and apparatus for verifying a load in a container includes detecting a detected load volume of the load within the container, comparing the detected load volume to an expected load volume of the load, and in response to determining a mismatch between the detected load volume and the expected load volume, transmitting an alert.

Abstract: A graduated mop liquid measurement pitcher includes a base, a plurality of sidewalls extending from the base to a liquid receiver, and a cylindrical handle. A first sidewall expands as it extends distally from the base to a waist and then tapers inward as it extends from the waist to the liquid receiver. A second sidewall and a third sidewall are substantially planar. A first plurality of demarcations is disposed along the second sidewall and indicate a number of mop heads of a first type capable of being saturated by a volume of liquid held by the graduated mop liquid measurement pitcher. A second plurality of demarcations is disposed along the third sidewall and indicates another number of mop heads of a second type capable of being saturated by another volume of liquid held by the graduated mop liquid measurement.

Abstract: A cap for a fluid sensor is provided. The cap comprises a cap input port including a first toolless connector configured to removably couple to a cable; and a cap output port including a second toolless connector configured to removably couple to a cable. The cap may further comprise an interface circuit including a circuit input port, a circuit output port, and a sensor port configured to couple to the fluid sensor. The first toolless connector may be configured to removably couple the circuit input port to a cable and the second toolless connector may be configured to removably couple the circuit output port to a cable. The circuit will automatically sequence the signals on the cable, so standard one-to-one wired cables can be used.

Abstract: A fill level measuring device for determining a fill level of a medium is provided, including a radar module configured to emit a transmission signal and to receive a received signal reflected on the medium, a controller configured to detect, based on the received signal, a measurement signal correlating with the fill level, and including a detector configured to detect a movement signal indicating a movement of the fill level measuring device and/or a position signal indicating a geographic position of the fill level measuring device. The controller includes activation circuitry configured to at least partially activate and/or deactivate the radar module depending on the movement signal and/or on the position signal detected by the detector.

Abstract: An apparatus, system, and method combining a liquid transfer device with a non-contact liquid fill height sensor to improve the reliability, accuracy, and precision of liquid transfers and to determine liquid fill height and liquid volume in a container before or after liquid transfers.

Abstract: A system and method for metering fluid flow is disclosed which has improved diagnostic capabilities. As well as informing a flow meter operator of the presence of a malfunction and its likely cause, the new systems and methods can also quantify an associated flow prediction bias.

Abstract: A diagnostics system comprising a controller for controlling operations of a mass flow controller. The controller is communicable coupled to at least one sensor and to a valve and tuned to control the valve based on a predetermined set point value and communication from the at least one sensor. The controller determines at least one predetermined value associated with a reverse flow of a fluid and either cause the controller to enter a hard fault or a safe state. The predetermined value of the flow is either a percentage of total flow or a percentage of total flow over a time period. The controller can log the date, time, and a device identifier in response to determining the at least one predetermined value. In addition, the diagnostics system can include a centralized controller configured to receive diagnostics data from a plurality of controllers and control operation of the controllers.

Abstract: A truck assembly for a rail vehicle includes at least one side frame including at least one lightener hole. At least one strain gage is disposed within the lightener hole(s). The strain gage(s) is configured to detect forces exerted into or onto the truck assembly. A method of detecting forces exerted into or onto a truck assembly of a rail vehicle includes disposing at least one strain gage within at least one lightener hole of at least one side frame of a truck assembly of the rail vehicle, and detecting the forces by the strain gage(s).

Abstract: A display rack comprises shelves and a base. Each shelf comprises a sensor mat comprising a lattice of load sensors. The base is configured for measuring a total weight, which includes weights of any objects positioned on the shelves. The system is configured for determining object addition or removal event data based on in time corresponding changes of: total weight measured at the base; and binary load status of multiple load sensors of a sensor mat of the display rack. A binary load status of a load sensor indicates whether the load sensor at least in part supports an object or not. The event data comprises: an object weight based on said change of total weight measured at the base; and an object support shape and an object location both based on said change of binary load status of multiple load sensors of said sensor mat of the display rack.

Abstract: The device includes a pressure-sensing pad which measures a load distribution across its surface and a rigid layer which measures total mass. The mass measurement may be used as a ground-truth measurement with which to calibrate the measurements collected by the pressure-sensing pad. Accordingly, a more accurate pressure distribution may be created using calibrated pressure distribution data. The pressure-sensing pad may include an array of sensors which may be in connection with a flexible layer. When pressure is applied to any of the sensors within the array of sensors, the flexible layer may compress and change the capacitance at the sensors on which the pressure is applied. The rigid layer may include strain gauges which measure the total mass on the device. A controller may include instructions for performing calculations to convert the measurements into a pressure map using calibrated measurements of the pressure distribution across the pressure-sensing pad.

Abstract: An acceleration change sensor includes a flexible member comprising extensions extending from a central portion. Piezoelectric capacitors are provided on respective extensions. A proof mass is coupled to the flexible member and offset from each extension of the plurality of extensions.

Abstract: An optical measurement stability control system includes a case, a circulating flow field, an optical measurement system and a heat dissipation flow field. The case has an airtight space. The circulating flow field is located in the airtight space and adapted to generate an airflow flowing in the airtight space. The optical measurement system is located in the airtight space and located on a flow path of the airflow. The heat dissipation flow field is connected to the case and located at an end of the flow path. The heat dissipation flow field discharges heat out of the airtight space by heat conduction and forced convection.

Abstract: A device includes a scattering structure and a collection structure. The scattering structure is arranged to concurrently scatter incident electromagnetic radiation along a first scattering axis and along a second scattering axis. The first scattering axis and the second scattering axis are non-orthogonal. The collection structure includes a first input port aligned with the first scattering axis and a second input port aligned with the second scattering axis. A method includes scattering electromagnetic radiation along a first scattering axis to create first scattered electromagnetic radiation and along a second scattering axis to create second scattered electromagnetic radiation. The first scattering axis and the second scattering axis are non-orthogonal. The first scattered electromagnetic radiation is detected to yield first detected radiation and the second scattered electromagnetic radiation is detected to yield second detected radiation.

Abstract: A device for collecting light from one or more incident light beams includes a first surface extending in a first plane and a second surface spaced-apart from the first surface. The second surface extends in a second plane parallel to the first plane. At least one of the first surface and the second surface including an optical polish or forming a reflective mirror coating. An edge surface extends from the first surface to the second surface. At least a portion of the edge surface forms a reflective mirror. At least one structure is formed in the first surface. The structure extends inwardly into the device from the first surface. The structure is configured to redirect light from a light source directed at the first surface.

Abstract: The present invention relates to an optoelectronic apparatus comprising: —an optoelectronic device comprising: —a transport structure (T) comprising a 2-dimensional layer; —a photosensitizing structure (P) configured and arranged to absorb incident light and induce changes in the electrical conductivity of the transport structure (T); and —drain (D) and source (S) electrodes electrically connected to respective separate locations of the transport structure (T); — noise suppression means comprising a modulation unit including: —a control unit to generate and apply on the drain (D) or source (S) electrodes a voltage oscillating signal having a component with a frequency of ?m/2?; and —a signal extraction unit to extract a required electric signal, from an output signal, with no components below ?m/2?. The present invention also concerns to a method for suppressing noise for an optoelectronic apparatus according to the invention, and to the use of the apparatus as a light detector or as an image sensor.

Abstract: The present disclosure relates to a high-fineness Fabry-Perot cavity (for use in the THz range) with a guide comprising lateral cavities arranged to guide an electromagnetic wave into the cavity. The invention also relates to a method for implementing a device including such a Fabry-Perot cavity.

Abstract: Various embodiments are directed to a method of utilizing an imaging system for detecting a greenhouse gas such as sulfur hexafluoride. The method may include (1) generating, by a first thermal camera coupled to a robotic platform, a static image of a scene utilizing a first spectral filter for passing wavelengths within an SF6 absorption range, (2) generating, by a second thermal camera coupled to the robotic platform, an additional static image of the scene utilizing a second spectral filter for passing wavelengths outside of the SF6 absorption range, and (3) detecting the presence of SF6 in the scene based, at least in part, on the static image, the additional static image, and a difference between the static image and the additional static image.

Abstract: An optical detector is provided with multiple light sources having distinct spectral characteristics, which are controlled on/off across a range of lighting intensity combinations. A measurement sensor receives radiated light that is reflected from a target surface via confined optical channels, and generates representative output signals. A local controller or a remote computing device receives the output signals or corresponding messages from the optical detector, and generates a low resolution spectral data set based on the signals for each of the lighting intensity combinations. The low resolution spectral data set is interpolated based on machine learning algorithms trained with high resolution data from a reference device to generate a high resolution spectral data set associated with the target surface.

Abstract: Methods of characterizing an optical retardance or a stress-related property of a glass-bases sample include directing a light beam into the glass-based sample while varying the polarization of the light beam to generate scattered light for each polarization are provided. The scattered light for each polarization is captured with an image sensor, which has an exposure time and a frame rate. The scattered light has an intensity distribution at the image sensor. The sample is moved so that the image sensor averages two or more different intensity distributions per frame to form an averaged intensity distribution for each polarization. The averaged intensity distributions for multiple frames are then used to characterize the optical retardance. The optical retardance can turn be used to determine stress-related properties of the glass-based sample. Moving the substrate reduces measurement noise scattered light having no optical retardance information.

Abstract: An ambient light color sensor adapted to determine color of ambient light and method for calibrating thereof. The ambient light color sensor comprises a sensor body having at least one diffuser and a light color sensing module disposed below the at least one diffuser. The light color sensing module comprises a plurality of channels adapted to detect light collected by the at least one diffuser at different wavelengths to produce sensor readings.

Abstract: A process for determining a tooth color of a filling or another restoration is provided which in particular is produced using composite materials, wherein at least one tooth is scanned or is visually detected. The process is characterized in that natural teeth are spectrally measured in advance, that the color values measured within a color space are classified into several, in particular four, categories which each form a color cloud extending in a three-dimensional fashion within the color space, which is done with the help of a structuring algorithm, in particular a Nearest Neighbour Algorithm, or a symmetry recognition algorithm, and that the tooth color of the filling is determined by means of evaluating to which category the tooth scanned has the smallest color distance, or to which color cloud the tooth scanned belongs.

Abstract: An optical characteristic evaluation method evaluates unevenness of an optical characteristic in an optical film based on analysis of a polarized state of light transmitting through an optical film and an analyzer. The method includes the following, measuring a phase difference and an orientation angle in a plurality of positions; and quantifying and evaluating the unevenness of the optical characteristic based on a parameter of a vector of output light calculated by a formula 1 using a vector showing a polarized state of input light and a matrix showing a polarizing characteristic of the optical film and the analyzer. The formula 1 is as follows, formula 1: F2=M×F1, F1: Stokes vector or Jones vector of input light, F2: Stokes vector or Jones vector of output light, M: Mueller matrix or Jones matrix of the optical film as the evaluation target and the analyzer.

Abstract: Provided is an optical sensor directed into a combustion chamber is used to selectively sense a predefined spectral range of an optical spectrum for different light paths running through the combustion chamber to measure a gas temperature distribution in the combustion chamber. A spectral intensity is determined for each spectral range and associated with an item of light path information which identifies the light path in question. The spectral intensities determined and and the associated items of light path information are fed as input data to a machine learning routine which is trained to reproduce spatially resolved training temperature distributions. Output data from the machine learning routine are then output as the gas temperature distribution.

Abstract: To obtain a temperature sensor device having high reliability and high sensitivity without cost increase. This temperature sensor device includes: a housing provided with a temperature sensor module having a temperature detection element and an external connection terminal connected to the temperature detection element via a lead wire, which are integrated using a first formation member made from a thermoplastic resin, the temperature sensor module being covered with a second formation member made from a thermoplastic resin, so as to form a connector for connecting the external connection terminal to an external signal processing circuit; and a case into which the temperature sensor module is press-fitted and which is opposed to the housing, wherein the first formation member and the second formation member are welded to each other.

Abstract: The disclosure is directed to techniques for a thermostat to determine the air temperature of a room based on measurements of temperatures sensors located inside a housing of the thermostat. Because the thermostat for an evaporative cooler operates at line voltage and controls current flowing to the evaporative cooler, the magnitude of current flowing through the thermostat may vary from nearly zero, when the thermostat is in the powered-off state, to a current on the order of several amps. The variation in current causes a variation in temperature inside the housing of the thermostat. The techniques of this disclosure compensate for changes the internal housing temperature caused by changes in operating mode. The compensation allows the temperature sensors inside the thermostat housing to determine the air temperature of the room in which the thermostat is located, without regard for the operating mode of the evaporative cooler system.

Abstract: Embodiments of the present disclosure discloses a temperature detecting device, a temperature detecting system and a temperature detecting method. The temperature detecting device includes: a bearing support, a first end of the bearing support being fixed; a temperature detector, provided on a second end of the bearing support; a moving component, configured to be connected with the bearing support, wherein the second end of the bearing support is movable with respect to the first end under driving of the moving component.

Abstract: The present disclosure relates to a method for manufacturing an apparatus for determining and/or monitoring temperature of a medium comprising method steps as follows: arranging a sensor element in a sensor head, producing a vacuum in an internal volume of the sensor head, introducing at least one fill material into at least a portion of the internal volume of the sensor head, and closing the sensor head. The present invention relates, moreover, to a correspondingly manufactured apparatus.

Abstract: Techniques for determining a temperature measurement of a junction of a power switch are described. A current can be applied to a control node, e.g., gate terminal, of the power switch, such as a field-effect transistor (FET) or an insulated-gate bipolar transistor (IGBT), while the power switch is in a steady-state region in which a gate-to-source voltage (e.g., FET) or a gate-to-emitter voltage (e.g., IGBT) of the power switch is constant. While in the steady-state region, the temperature measurements can be performed, thereby ensuring accuracy of the measurement.

Abstract: A circuit includes a temperature-sensitive voltage divider. The temperature-sensitive voltage divider includes a temperature-sensitive resistor and a second resistor having a first terminal coupled to a first terminal of the temperature-sensitive resistor. A temperature signal is generated at a first node coupled to the first terminal of the temperature-sensitive resistor. Detection logic is coupled to the first node to generate a detection signal responsive to the temperature signal.

Abstract: A temperature sensitive ink composition including a metal oxide nanoparticle; a binder; a solvent; an optional dispersant; and an optional surfactant; wherein the ink composition is a thermistor ink that exhibits a change in resistance which is dependent on temperature. A process for preparing the ink composition. A process including depositing the ink composition onto a substrate to form deposited features; and optionally, heating the deposited features on the substrate to form temperature sensitive features on the substrate, wherein depositing can include ink jet printing or aerosol jet printing.

Abstract: A high-resolution temperature sensor based on a built-in sac and a spectral valley-point-method includes a built-in sac, a metal block, two waveguides, two metal films and a signal light; the built-in sac is connected with a first waveguide; the metal block is disposed in the first waveguide, and is movable; the first waveguide is connected with a second waveguide; and the signal light is broadband light or the frequency-sweeping light.

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

Abstract: A three-dimensional grip detection sensor is provided that includes an outer wall. When a first region in the outer wall receives pressing operation, it undergoes first deformation recessed inward from the outer wall, and a second region undergoes second deformation opposite to first deformation and that projects outward from the outer wall. The three-dimensional grip detection sensor further includes a three-dimensional object that receives pressing operation, with a first sensor disposed on an outer wall and a second sensor disposed at a position asymmetric to the first sensor. Each of the first and second sensors includes a piezoelectric film deformed by the pressing operation, first and second electrodes on a first main surface of the piezoelectric film and disposed in parallel with the first electrode, and a reference electrode on a second main surface of the piezoelectric film.

Abstract: A pressure-sensitive sensor includes a first electrode, a second electrode, and a conductive resin located between the first electrode and the second electrode, wherein the conductive resin includes a first region, and a second region different from the first region in thickness in a direction in which the first electrode and the second electrode are arranged, and the second region surrounds the first region. Further, the thickness of the second region is thicker than the thickness of the first region. Further, a center of the first electrode is located within the first region in a plan view from the direction in which the first electrode and the second electrode are arranged.

Abstract: A sensors unit for an air compressor system, in a mutual module housing, includes: a pressure measuring unit for measuring a pressure; at least one further measuring unit for measuring another physical and/or chemical quantity; an evaluation and control unit configured to control the pressure measuring unit for measuring the pressure and the further measuring unit for measuring the other physical and/or chemical quantity as well as to provide measurement data; and an external interface for the output of the provided measurement data.

Abstract: Systems and methods described herein allow for reliable and computationally efficient detection of fluid leak events or abnormal fluid usage/flow events. A fluid flow meter can measure fluid flow parameter values during a training phase. The fluid flow meter can generate, using the fluid flow parameter data, a training fluid flow duration pattern indicative of, for each value range of a plurality of value ranges of a respective time threshold value. The time threshold value can represent an estimate of a maximum fluid flow duration, within a given fluid flow event, for fluid flow associated with the corresponding value range. During a detection phase, the fluid flow meter can determine, for a value range, a respective fluid flow duration within a current fluid flow event. The fluid flow meter can detect a leak event upon the fluid flow duration exceeds the time threshold value for the same value range.

Abstract: A system for leak testing an envelope for a tire assembly can include a rim, an envelope sized to accommodate a green tire assembly and secured to the rim, a vacuum system in fluid communication with the envelope, and a controller. The controller can be configured to pressurize the envelope to a predetermined pressure, compare a slope of pressure over time to a predetermined value, and enable proceeding with a depressurization of the envelope responsive to determining the slope of the pressure over time being more than or equal to the predetermined value.