Abstract: A vehicle includes a holding tank including a plurality of segments, each configured to hold an individual product, a plurality of suspension assemblies supporting the vehicle, and a volume determination system. The volume determination system is configured to receive image data from at least one imager system of the vehicle during a first filling process of a first segment of the holding tank, analyze the received image data to identify a termination of the first filling process, responsive to identifying the termination of the first filling process, receive first pressure measurements from the plurality of suspension assemblies, based at least partially on the received first pressure measurements, determine a volume of a first product within the first segment of the holding tank, and cause the determined volume of the product within the first segment of the plurality of segments to be output to an operator of the vehicle.

Abstract: A vehicle includes a chassis, a holding tank mounted to the chassis and configured to hold a product, a plurality of ground-engaging elements, a plurality of suspension assemblies interposed between the plurality of ground-engaging elements and the chassis, and a volume determination system of a central controller. The volume determination system is configured to receive pressure measurements from the plurality of suspension assemblies, based at least partially on the received pressure measurements, determine a volume of a product within the holding tank of the vehicle, and cause the determined volume of the product to be output to an operator of the vehicle.

Abstract: Methods and systems for the measurement of molten metal and metal alloy levels within a crucible are provided. The system includes a crucible, a probe having an electrode disposed at a lowermost probe position, and a processing system configured to receive a signal from the electrode to evaluate whether the electrode is in contact with the liquid metal. The system can include a plurality of probes, with each probe having an electrode positioned at a different height within the crucible interior. A multi-probe system can inform a system user on molten metal levels at various sectors within the crucible interior.

Abstract: This disclosure generally relates to a capacitive sensor for determining a fluid level in a milk container. In one embodiment, the capacitive sensor may be attached to a milk container of a breast pump device. The breast pump may include a breast shield adapted to at least in part receive a breast of a lactating user, an aggregate for generating suction for expressing milk from the breast, a milk container (4) providing a reservoir (26) for the expressed milk, a capacitive sensor (8) adapted to generate a signal indicative of the filling level within the reservoir (26) and a controller (12) for controlling the aggregate (14) and processing the signal of the capacitive sensor (8), wherein the capacitive sensor (8) includes at least two capacitive sensor elements (44, 46) having a different sensitivity to a change of the filling level and a similar sensitivity to a conductive object touching the milk container (4).

Abstract: An information processing device includes an acquisition device that acquires, as a first strength, a strength of a radio signal related to position information received at a position of a first height, and a first determination device that determines that the first height is a water level when an attenuation amount of the first strength with respect to a reference strength exceeds a predetermined value.

Abstract: Liquid level detectors may include a pump for drawing liquid from a reservoir, a channel fluidically coupling the pump to the reservoir, and a J-tube connected to an end of the channel within the reservoir. The J-tube may include a first tube section and a second tube section extending along the first tube section. Perforations may extend between the first tube section and the second tube section. A pressure sensor may be positioned and configured to sense a pressure of liquid drawn from the reservoir through the J-tube and the channel and to sense pressure drops when a liquid level in the reservoir passes the respective perforations. Various other related systems and methods are also disclosed.

Abstract: The present disclosure is directed to a method for detecting a liquid on a main surface of a body. The method is performed through a detection device including a processing module, a reference electrode at a reference electric voltage and a first sensing electrode on the main surface and configurated to detect an environmental electric and/or electrostatic charge variation indicative of the presence of the liquid. The method includes the steps of: biasing the first sensing electrode to a bias electric voltage; while the first sensing electrode is at the bias electric voltage, acquiring a first charge variation signal indicative of the electric and/or electrostatic charge variation detected by the first sensing electrode; verifying whether the first charge variation signal is indicative of the presence of the liquid on the main surface, at the first sensing electrode; and, if it is, determining the presence of the liquid on the main surface at the first sensing electrode.

Abstract: The disclosure relates to a scale operating according to the principle of electrodynamic force compensation and to a method for its operation. An automatic switchover from a measuring mode to an overload mode is provided for detecting overload forces. In this overload mode the load resistance formed by a coil and at least one measuring resistor is reduced in order to allow a higher coil current at the same output stage power.

Abstract: A product dispenser, preferably for frozen food product, having a storage hopper, a rotatable drum having paddles on a periphery thereof located at a bottom of the storage hopper, and a drive motor connected to the rotatable drum. Rotation of the drum causes the product to be delivered to a weighing/dispensing assembly having a load cell and one or more dump doors on which product to be dispensed accumulates. A controller is configured to actuate the drive motor to rotate the rotatable drum in a first rotational direction at a start of a dispensing cycle, and to then actuate the drive motor to rotate the rotatable drum in a second rotational direction, opposite to the first rotational direction in a next dispensing cycle. Within a dispensing cycle, the controller can also monitor a drive motor current draw, and reverse the drive motor if a current limit is exceeded.

Abstract: A weighing platform with a lattice load-bearing structure shaped spatially and made of load-bearing elements and connecting elements intersecting with them, affixed to a joint frame, where the load-bearing elements, in the place of intersection with the connecting profiles, have cuts in the shape adjusted to the shape of the connecting elements, and additionally the platform contains at least one load-bearing shell, measurement elements, regulated feet and connectors, where the connecting elements are located strictly in the cuts of the load-bearing structure at the depth, equal to height of the connecting elements and at the same time less than half of the height of the load-bearing elements, while to the bottom of the weighing platform at least two profile panels are fixed, with openings for the screw connectors, to which panels the measurement elements and regulated feet are fixed.

Abstract: An electronic balance includes an electromagnetic unit including a yoke with a magnet disposed inside, and configured to achieve a balance with a load of a to-be-weighed object by supplying a current to a coil disposed in a magnetic field of the magnet, and a temperature sensor configured to detect a temperature of the electromagnetic unit, wherein the temperature sensor is attached to a flexible board including a sensor attaching portion to which the temperature sensor is attached and a lead wire portion configured to connect the temperature sensor to an A/D converter, a sensor accommodating recess capable of accommodating the temperature sensor is formed on a surface of the yoke, and the temperature sensor is attached to the electromagnetic unit so that the temperature sensor is accommodated in the sensor accommodating recess, and the sensor attaching portion closes the sensor accommodating recess.

Abstract: Systems and methods are provided for selecting a preferred type of acoustic insulation apparatus in connection with a particular site. An isolation acoustic measurement corresponding to a reference type of acoustic insulation apparatus and a plurality of difference measurements may be determined. An on-site acoustic measurement corresponding to the reference type of acoustic insulation apparatus may be received. A predicted secondary on-site acoustic measurement may be determined for each distinct secondary type of acoustic insulation apparatus. An on-site ambient noise measurement may be received. The type of acoustic insulation apparatus being associated with the on-site acoustic measurement having the closest value to the on-site ambient noise measurement may be selected as the preferred type of acoustic insulation apparatus in connection with the particular site.

Abstract: There is provided an apparatus for detecting the contamination on the glass dome of the solar radiation observing sensor. The apparatus includes: the solar radiation observing sensor; the glass dome; a light source, wherein artificial light emitted from the light source is allowed to be incident on the medium of the glass dome at a predetermined angle and thus the artificial light incident on the medium of the glass dome is allowed to undergo total internal reflection; a light-collecting lens configured to collect natural light and a diffusedly-reflected part of the artificial light; and a contamination-detecting sensor configured to detect contamination, wherein the contamination-detecting sensor measures the natural light and the diffusedly-reflected part of the artificial light collected by the light-collecting lens.

Abstract: The present disclosure provides a sensing circuit, including a photo-sensing component, a first transistor, and a temperature-sensing component. The photo-sensing component is configured to receive a light and transmit a first current according to an intensity of the light. A gate terminal of the first transistor is configured to receive a first control circuit. The photo-sensing component and the first transistor are coupled in series between first and second nodes. The temperature-sensing component is coupled between the first and second nodes and is configured to generate a second current according to a temperature. The temperature-sensing component includes a channel structure, a first gate, a second gate, and a light-shielding structure. The channel structure is configured to transmit the second current.

Abstract: A compact spectrometer is disclosed that is suitable for use in mobile devices such as cellular telephones. In preferred embodiments, the spectrometer comprises a filter, at least one Fourier transform focusing element, a micro-lens array, and a detector, but does not use any dispersive elements. Methods for using the spectrometer as an end-user device for performing on-site determinations of food quality, in particular, by comparison with an updatable database accessible by all users of the device, are also disclosed.

Abstract: An integrated circuit spectrometer comprises a photonic circuit comprising: an optical input port for receiving light from a light source: and a filter array of filter elements, such as microring resonators, in optical communication with the optical input port. Each microring resonator is characterized by a different series of resonance wavelengths. If alternative filter elements are used, the filter elements may have different filter peaks to each other. The integrated circuit spectrometer also comprises a plurality of detectors, each of which is associated with one of said microring resonators to detect photons from an output of the microring resonator: and at least one processor configured to reconstruct, from signals received at the detectors, an input spectrum of the light received at the optical input port. The input spectrum may be reconstructed by an artificial neural network.

Abstract: A solar reflection full-band hyperspectral imaging detection system comprises a telescope light collection system, a field-of-view separation assembly, a spectrometer assembly, and a detector assembly. The field-of-view separation assembly comprises an integrated trisection field-of-view separator, a first field-of-view assembly, a second field-of-view assembly, and a third field-of-view assembly; the spectrometer assembly comprises a first spectrometer, a second spectrometer and a third spectrometer; and the detector assembly comprises a CMOS (Complementary Metal Oxide Semiconductor) detector, an InGaAs detector, and an HgCdTe detector. The present invention adopts the three-band spectrometer, and the spectrum aliasing, high photoelectric efficiency in the middle and low photoelectric efficiency at two ends, limited detection dynamic range, severe Etalon interference effect and the like of a two-band spectrometer with a traditional solar reflection full-band hyperspectral detection system are solved.

Abstract: A divided-aperture infrared spectral imaging (DAISI) system that is structured to provide identification of target chemical content in a single imaging shot based on spectrally-multiplexed operation. The system is devoid of spectral scanning acquisition of infrared (IR) spectral signatures of target content with an IR detector and does not require content.

Abstract: A full-range imaging method doubles imaging range of conventional techniques by removing mirror images of an imaged object that limit conventional images to a “half-range” and that are caused in part by the loss of phase information in a detected signal. Phase information of the detected signal is reconstructed with an averaging technique based on a modulated phase induced in the detected signal during scanning.

Abstract: This disclosure is directed to pulsed spectropolarimeters for conducting remote, non-perturbative measurements of the local magnetic field, density and temperature fields of a magnetized plasma medium. In one aspect, a pulsed spectropolarimeter includes a light source emitting a polarized light pulse having sufficiently narrow spatial extent at a prescribed wavelength and a light gathering optical system including a light gathering optic having an optic axis directed toward the medium and positioned to collect and collimate a predetermined solid angle of the scattered emission by the pulse in the backward direction, toward the source, while preserving the polarization state of the emission. A proportion of the emission is redirected to a spectrometer detector to determine the spectral distribution of the emission. A second optical collection and spectrometer system collects emission other than backscatter localized to the intersection of the pulse trajectory and the focus of this collection system.

Abstract: An earphone is provided. The earphone comprises a housing defining an audio opening, the audio opening is configured to be positioned within or facing toward an ear canal of a wearer in an wearing position of the earphone; a speaker driver positioned within the housing, the speaker driver comprising a diaphragm facing toward the audio opening, defining an audio channel between the diaphragm and the opening; a body temperature measuring module positioned within the audio channel, the body temperature measuring module comprising a reflector and a temperature sensor, the temperature sensor is configured to receive an infrared light transmitted through the audio opening and reflected by the reflector.

Abstract: A substrate processing system in accordance with one embodiment includes a processing chamber and an optical pyrometer assembly to measure an emitted thermal radiation originating substantially from a portion of target surfaces. The optical pyrometer includes a lightpipe that comprises a core and a hollow sheath surrounding the core. The core and the sheath are concentric with one another. The sheath is formed by a chemical vapor deposition process and includes local protrusions within a hollow interior thereof to maintain a position of the core within the sheath. In particular, the local protrusions are formed so as to center at least a distal end portion of the core within the sheath. A temperature of the target surface is determined from an intensity of a portion of the emitted thermal radiation near at least one wavelength.

Abstract: Provided are a long-wave infrared sensor and an electronic device including the same. The long-wave infrared sensor and the electronic device including the same include a pixel array including a plurality of pixels, an optical absorber layer arranged on the pixel array, and a drive circuit configured to drive the pixel array, wherein each of the plurality of pixels for a long-wave infrared sensor includes a lower electrode and an upper electrode which are arranged apart from each other, and a plurality of magnetic tunnel junction devices arranged regularly between the lower electrode and the upper electrode and electrically connected to each other in parallel, and the plurality of magnetic tunnel junction devices are arranged apart from each other with an empty space therebetween.

Abstract: Described are techniques for quality analysis using thermographic imaging. In one example, a system including a test chamber for receiving an unpowered component. The system further includes an external heat source for heating the unpowered component for a predetermined period of time. The system further includes a thermographic imaging system for collecting thermographic images of the unpowered component during the predetermined period of time. The system further includes a computer communicatively coupled to the thermographic imaging system and configured to classify a quality of the unpowered component based on the thermographic images of the unpowered component.

Abstract: The present invention relates to a sensor array comprising an inductive sensor (30, 31) and at least one temperature sensor (40, 41) for an electric machine, wherein the sensor array is arranged in a housing (10, 51, 52, 53, 54) and a single group of connectors (21) opens out of the housing (10, 20) in order to connect to an inverter of the electric machine.

Abstract: The temperature measurement system includes a thermocouple probe, a non-transitory computer-readable storage medium storing processor-executable instructions, and a processor. The processor-executable instructions are configured to enable to processor to form a model of the thermocouple probe, perform several computational fluid dynamic (CFD) analyses of the thermocouple probe using a predetermined Reynolds number, output a first temperature (T1CFD) and a second temperature (T2CFD) at the junctions for each simulation, apply a linear regression between the T1CFD and the T2CFD, output a slope from the linear regression, and output a corrected gas temperature with at least one algorithm.

Abstract: A thermocouple assembly is provided that allows a first type of thermocouple to be used with thermoelements compatible with a second type of thermocouple. For a single thermocouple, a translator device measures a temperature using a new thermocouple and determines and outputs a voltage difference to existing thermoelements for a replaced thermocouple. For two or more thermocouples, a new terminal block is provided between an existing transmitter and the existing thermocouples, which are replaced by new thermocouples of a different type connected to the new terminal block. Existing extension wires are used to make a thermocouple at the new terminal block. A multiplexer is connected to terminals at the existing transmitter or terminal block. Temperatures at the new thermocouples are determined by forming particular circuits and using the temperature at the new block. Additional temperatures can also be determined using existing extension thermoelements.

Abstract: A digital temperature sensor includes a current generation circuit, an oscillation circuit, a conversion circuit and a calculation circuit. The current generation circuit generates a proportional to absolute temperature (PTAT) current and a complementary to absolute temperature (CTAT) current. The oscillation circuit generates a first clock signal having a first cyclic period based on the PTAT current and generates a second clock signal having a second cyclic period based on the CTAT current. The conversion circuit generates a first temperature code based on the first clock signal such that the first temperature code decreases as the operation temperature increases and generates a second temperature code based on the second clock signal such that the second temperature code increases as the operation temperature increases. The calculation circuit calculates a difference between the first temperature code and the second temperature code and generates a corrected temperature code based on the difference.

Abstract: A method for predicting a temperature of a heat sink for cooling a power module including at least one switching element and a Negative Temperature Coefficient of Resistance (NTC) sensor is provided. The method for predicting a temperature of a heat sink includes: estimating a temperature variation of the NTC sensor using a power loss of the power module based on a power loss occurring in the at least one switching element according to driving of the power module and a thermal resistance of the power module; obtaining a temperature of the power module detected by the NTC sensor; and predicting the temperature of the heat sink from a difference between the temperature of the power module and the temperature variation of the NTC sensor.

Abstract: The present disclosure relates to a thermocouple wafer calibration system including: a main body portion composed of a chamber forming a sealed space, and a support installed a lower edge of the chamber and supporting the chamber to be spaced apart from the ground; a thermocouple wafer composed of a plate installed to be horizontal inside the sealed space of the chamber, and a first thermocouple unit attached to a upper surface of the plate so as to form a plurality of first measurement contact points; a calibration portion provided with a second thermocouple unit penetrating the chamber in a space where the chamber spaced from the ground, then partially accommodated inside the sealed space, and calibrated to form a plurality of second measurement contact points in contact with a lower surface of the plate at a position corresponding to each of the first measurement contact points; a temperature measurement portion partially accommodated inside the sealed space of the chamber and measuring a temperature of th

Abstract: A load sensor includes: an electrically-conductive elastic body; an electrically-conductive member having a linear shape and disposed so as to cross the electrically-conductive elastic body; and a dielectric body disposed between the electrically-conductive elastic body and the electrically-conductive member. A width of the electrically-conductive elastic body in a longitudinal direction of the electrically-conductive member is changed such that a relationship between a load and a contact area between the electrically-conductive elastic body and the electrically-conductive member via the dielectric body becomes close to a linear relationship.

Abstract: A load detection system includes: a first load sensor including a first element part in which capacitance changes in accordance with a load; a first detection circuit configured to perform charging and discharging of the first element part and acquire a voltage according to the capacitance at a detection timing in a charge period; a second load sensor including a second element part in which capacitance changes in accordance with a load; a second detection circuit configured to perform charging and discharging of the second element part and acquire a voltage according to the capacitance at a detection timing in a charge period; and a synchronization generation part configured to synchronize the charging of the first element part and the charging of the second element part.

Abstract: A soft pressure sensing apparatus is provided. In one aspect of the present pressure sensing apparatus, a polymeric member, including conductive particles therein, is located between offset angled and crossing sets of electrodes. A further aspect includes a controller configured to calculate at least one regularized least-squares algorithm, to reduce cross-talk between the resistive members. In another aspect, a pressure sensor apparatus includes a piezoresistive film encapsulated between layers of substantially perpendicular electrodes to create a resistor network circuit where the ability to reconstruct cell resistance from measured two-point resistance. A method of manufacturing a pressure sensor includes using a mechanical vinyl cutter for the electrodes and/or piezoelectric resistive members.

Abstract: A battery pressure measuring sensor according to an embodiment of the present disclosure includes a substrate; a plurality of variable resistor units provided at a plurality of locations in consideration of a swelling characteristic of a battery on the substrate and configured to change a resistance value within a corresponding resistance range according to a pressure applied to each unit; and a plurality of sensing lines configured to be connected to the plurality of variable resistor units, respectively.

Abstract: A sensor device includes a force sensor on a substrate, a light emitter to emit light from over the substrate, a light receiver to receive light on the substrate and detect proximity of an object, and an elastic member made of an elastic material and including a first portion covering the force sensor, a second portion extending around the light emitter and the light receiver, through at least spaces between the light emitter, the light receiver, and the force sensor, and a third portion coupling the first portion and the second portion to each other. The third portion in the elastic member has a lower height from the substrate than the first and second portions.

Abstract: A torque detection device includes a first yoke and a first magnetic guide member. A first opposing portion of the first magnetic guide member overlaps with a first-yoke ring of the first yoke when the first-yoke ring is projected onto the first opposing portion in an axial direction. Furthermore, the first opposing portion overlaps with an inner surface of a second tubular portion when the inner surface is projected onto the first opposing portion in the axial direction. A housing distance, which is a shortest distance measured from the first opposing portion to the inner surface, is longer than a yoke distance, which is a shortest distance measured from the first opposing portion to the first-yoke ring.

Abstract: In a torque sensor of a torque detection system, in a state where a torque is not generated, a first magnetic detector overlaps with one (e.g., N-pole) of a plurality of magnetic poles of a magnet when the one of the plurality of magnetic poles of the magnet is radially projected onto the first magnetic detector. A second magnetic detector overlaps with another one (e.g., S-pole) of the magnetic poles when the another one of the magnetic poles is radially projected onto the second magnetic detector. A motor control device calculates a sum of a value, which relates to a detected strength of a magnetic field detected by the first magnetic detector, and a value, which relates to a detected strength of the magnetic field detected by the second magnetic detector. The motor control device is configured to calculate a steering torque based on the sum.

Abstract: A torque detection device includes: a sensor case that receives a magnetic detector; and a cover that has a sensor cover portion and a rotor cover portion. The sensor cover portion is coupled to a surface of the sensor case which faces in an axial direction. The rotor cover portion is joined to the sensor cover portion and receives a rotor inserted in the rotor cover portion in the axial direction. Furthermore, the rotor cover portion limits movement of the rotor relative to the sensor case in a direction perpendicular to the axial direction.

Abstract: Disclosed herein is a tension monitoring apparatus. The apparatus comprises a fixing with a shank which in use is under tension, a strain sensor embedded in the shank of the fixing and configured to generate a strain sensor signal corresponding to tension in the shank. The apparatus further comprises a data processing means configured to receive the strain sensor signal, process the strain sensor signal in accordance with one or more characterising parameters associated with the strain sensor and thereby generate corresponding strain sensor data indicative of a strain to which the shank is subject. Additionally, the apparatus comprises a wireless transmitter for communicating the strain sensor data to a remote receiver, wherein the data processing means and the wireless transmitter are mounted in a module fixed to an end of the fixing.

Abstract: Aspects of monitoring using harsh environment sensing devices and systems are described. Multiple parameters are detected using the sensing devices immersed in a harsh environment such as a caustic solution. The parameters detected using the harsh environment sensing devices and systems include pressure, depth, density, temperature, or any combination thereof.

Abstract: A system and method for detecting blockages and/or leaking in a piping system. The travel speed, travel time, movement, images, audio, odor, and/or other data provided by a robot ball moving through the piping system may indicate if a blockage or leak exists. An electronic notification may be sent detailing the blockage and/or leak, which may include a location and corrective action.

Abstract: Systems and methods are described for detecting a leak based upon home telematics data. The method may include: (1) receiving home telematics data from one or more sensors associated with one or more pipes (or piping systems) in a structure, wherein the home telematics data is indicative of the frequency with which the one or more pipes are being used; (2) determining, using a trained machine learning algorithm, pipe activity associated with the one or more pipes is occurring at an irregular frequency; (3) determining, based upon at least the determination that the pipe activity associated with the one or more pipes is occurring at the irregular frequency, that the one or more pipes are leaking; and (4) transmitting an indication to a user associated with the home that the one or more pipes are leaking.

Abstract: A self-leveling sensor assembly comprising an outer bushing defining a bushing passage, a bushing axis extending centrally through the bushing passage; an inner housing received in the bushing passage and rotatable about the bushing axis, the inner housing comprising a housing weight disposed at a first housing side of the inner housing; and a vibration sensor mounted to the inner housing and defining a sensor axis; wherein the housing weight is configured to pull the first housing side of the inner housing downward to rotate the inner housing and the vibration sensor about the bushing axis and to align the sensor axis is a desired orientation.

Abstract: Systems and methods are disclosed herein for tire condition monitoring, and more particularly for detecting slow leakage of inflation pressure. Data acquisition devices (e.g., tire pressure monitoring system sensors) are mounted onboard motor vehicles and collect data samples corresponding to at least tire inflation pressure. The collected data samples may e.g. only be transmitted for analysis while the motor vehicle is in a fleet yard or otherwise wherein the contained air temperature effectively matches an ambient temperature. A time elapsed is calculated from a first data sample within a defined sampling period, and a statistical model is applied for at least the data samples corresponding to inflation pressure with respect to the time elapsed. A tire slow leak event is ascertained based on an evaluated amount of decrease in the inflation pressure from the statistical model, and an output signal is selectively generated corresponding to the ascertained slow leak event.

Abstract: A portable, case-enclosed pressure test manifold, configured to support both pneumatic and hydrostatic pressure testing, and comprising a downstream fluid path (e.g., a system test gauge, a ball valve, a system test port, a system relief valve, and other components/piping) and an upstream fluid path (e.g., a low-pressure gauge, a high-pressure gauge, and various other components/piping). A regulator and/or the ball valve selectively operate the downstream fluid path, defining a hydrostatic pressure testing path, to receive a liquid; and the upstream fluid path in combination with the downstream fluid path, defining a pneumatic pressure testing path, to receive a gas. Manifold components are pressure rated based on use and are ASME Code B31.3 compliant. Properly rated flexible hoses connect with either of the pneumatic or the hydrostatic pressure testing paths of the manifold. The case includes parking receptables and a carrying handle configured to stow the hose during transport.

Abstract: A method of diagnosing a pneumatic system that (1) pressurizes the system to a first inflation pressure, (2) ceases the pressurizing for a settling-in time period, (3) measures a settled-in pressure after the settling-in time period, (4) measures a decayed pressure after a decay time period, (5) determines a determined rate of decay of the pressure in the system over the decay time period, and (6) compares the determined rate of decay to a first stored decay rate.

Abstract: A gas leak detector includes a solar detector and a signal filter. The solar detector generates an electrical response by interfering a light signal with a solar signal and detecting a resultant interference signal. The signal filter is communicatively coupled to the solar detector and filters the electrical response to isolate a beat-note signal. The beat-note signal has an amplitude that is inversely related to a concentration of a species that forms a gaseous plume located along a path of the solar signal.

Abstract: A live natural gas system of instruments installed and capable of monitoring and collecting data from locations in a natural gas distribution system without the need to disrupt the flow of natural gas, including a plurality of instruments disposed at locations about a natural gas distribution pipe system, each capable of monitoring one or more of pressure, flow, temperature, humidity and vibration, each including a fluid dynamic sensor such as a pitot tube, capable of being positioned within gas flow within a distribution pipe; communication means for transmitting data collected to a remote location by means of a cellular system; a graphic user interface on which the collected data is displayed with geography information that gives a user the location of the instruments monitoring and collecting data; the instruments capable of being installed in gas-carrying pipes without the need to stop the flow of gas therewithin.

Abstract: In a computer-implemented method of detecting or predicting water damage within a structure, sensor data indicative of one or more conditions associated with the structure is generated. The condition(s) include at least one characteristic of air, construction materials, or water within the structure. The method may also include receiving the sensor data and data indicative of one or more other factors associated with an interior of the structure, detecting or predicting water damage to the structure by jointly analyzing the sensor data and the data indicative of the one or more other factors, and causing an indication of the detected or predicted water damage to be presented to a user.

Abstract: The purpose of the present invention is to provide a tower deterioration detection device and the like capable of detecting deterioration of a tower. A tower deterioration detection device includes: an optical signal reception unit for receiving an optical signal from an optical fiber cable laid in a tower; and a deterioration detection unit for detecting deterioration of the tower on the basis of a vibration pattern of the tower indicated by the optical signal.