Abstract: A nightvision system includes an underlying device that provides output light in a first spectrum. A transparent optical device transmits light in the first spectrum from the underlying device through the transparent optical device. The transparent optical device includes an active area of a semiconductor chip. The active area includes active elements that cause the underlying device to detect light from the underlying device and transparent regions formed in the active area which are transparent to the light in the first spectrum to allow light in the first spectrum to pass through from the underlying device to a user. An image processor processes feature maps produced using light detected by the first plurality of active elements. The image processor determines at least one of location, heading, elevation, or speed of the nightvision system or location of objects detected by the first plurality of active elements.

Abstract: A method for dynamically reducing the complexity of a 3D map in an ego vehicle including recording an environment of the ego vehicle; providing a 3D map; localizing the ego vehicle in the 3D map; and reducing the 3D map by removing roads that overlap each other on different levels of elevation.

Abstract: A map information managing device to be mounted on a vehicle includes a processor configured to set an area represented in map information including information used for autonomous driving control, depending on the level of autonomous driving control applied to the vehicle and the position of the vehicle, and request a map server to deliver the map information of the set area, via a communication terminal mounted on the vehicle.

Abstract: A system for pedestrian use includes an accelerometer having multiple electronic sensors; an electronic circuit operable to generate a signal stream representing magnitude of overall acceleration sensed by the accelerometer, and to electronically correlate a sliding window of the signal stream with itself to produce peaks at least some of which represent walking steps, and further operable to electronically execute a periodicity check to compare different step periods for similarity, and if sufficiently similar then to update a portion of the circuit substantially representing a walking-step count; and an electronic display responsive to the electronic circuit to display information at least in part based on the step count. Other systems, electronic circuits and processes are disclosed.

Abstract: A sensor module includes: a sensor; a semiconductor device including a driver configured to drive the sensor and a processor configured to process the output signal of the sensor; a switcher configured to switch whether or not to cut off or disable the feeding of the output signal of the sensor to the processor; a memory configured to store temperature correction schemes on a non-volatile basis; and a controller configured to perform temperature correction on the driver and the processor based on the temperature correction schemes.

Abstract: A method for the detection of incorrect measurement signal outputs of a field device, comprising: outputting of a measurement value by the field device as a first measurement signal, outputting of the measurement value by the field device as a second measurement signal, receiving by a detection system the first measurement signal and the second measurement signal or values derived therefrom, determining a measurement signal deviation between the first measurement signal and the second measurement signal by the detection system, and checking by the detection system whether a case of error is present, taking into account the measurement signal deviation and, optionally, taking into account at least one further error condition. The invention further relates to a detection system that can be used for carrying out the above-described method. According to another aspect of the invention, a field device is proposed that is suitable for carrying out the above-described method.

Abstract: A metering system including a utility meter having a processing circuit and a communication module interface. The metering system also includes a communication module electronically coupled to the utility meter via the communication module interface. The communication module interface is configured to transmit information to, and receive information from, the utility meter. The processing circuit of the utility meter includes one or more electronic processors that are configured to receive a first message from the communication, read a header frame of the first message, and determine a message type of the first message based on the header frame. The electronic processors are also configured to verify the first message based on the determined message type, and process the first message based on the determined message type.

Abstract: A resolver includes excitation coils and a detection coil. One of the excitation coils and the detection coil includes a sine coil and a cosine coil that transmit AC signals having phases of the electrical angle different from each other by 90 degrees. Further, the other coil is provided with an annular magnetic pole group in which a plurality of magnetic poles is disposed adjacent to each other in the circumferential direction at a facing face at which the rotor and the stator face each other. The plurality of sine coils and the plurality of the cosine coils are alternately disposed adjacent to each other in the circumferential direction at the facing face. The circumferential intervals between the magnetic poles included in the excitation coils and the detection coil are identical.

Abstract: A resolver includes a sine coil and a cosine coil that transmit AC signals having phases of the electrical angle different from each other by 90 degrees in one of a sheet-like excitation coil and a sheet-like detection coil disposed at a rotor or a stator, and a counter coil or a conductor disposed to face the sine coil and the cosine coil in the other of the excitation coil and the detection coil. In addition, an area (S) of a portion where each of the sine coil and the cosine coil and the counter coil or the conductor overlap each other when viewed in the axial direction of the resolver changes into a sinusoidal shape as the rotor rotates.

Abstract: A resolver includes an excitation coil provided at the rotor or the stator and formed on a sheet-shaped substrate, and a detection coil provided at the rotor or the stator and formed on the sheet-shaped substrate. At least one of the excitation coil and the detection coil is a sine coil and a cosine coil. In the sine coil, sine coil patterns of a pair of comb-shaped closed coils are disposed on the identical layer of the substrate. In the cosine coil, cosine coil patterns of a pair of comb-shaped closed coils are disposed on the identical layer of the substrate. Each of the pair of comb-shaped closed coils includes a first comb-shaped closed coil including an inward first projection and a second comb-shaped closed coil including an outward second projection.

Abstract: A device for identifying the location and type of an object according to the present invention comprises: a transmission and reception coil in which a conductive wire is wound concentrically and multiple times; a selection circuit for selectively connecting one end portion of the conductive wire of the transmission and reception coil to a first circuit end or a second circuit end; an output circuit formed to apply an alternating current of a first frequency to the first circuit end; a reception circuit for receiving an induced voltage applied to the second circuit end; and a control circuit for controlling the operation of the selection circuit to connect the output circuit to the one end portion of the transmission and reception coil in a transmission mode and connect the reception circuit to the one end portion of the transmission and reception coil in a reception mode, controlling the output circuit to apply the alternating current of the first frequency to the first circuit end in the transmission mode, a

Abstract: A resolver includes: a sine exciting coil and a cosine exciting coil; a detecting coil that is provided to a rotor and is placed facing the sine exciting coil and the cosine exciting coil; an exciting coil forming a closed circuit, together with the detecting coil, in the rotor; and a sine detecting coil and a cosine detecting coil that are provided to a stator, are placed facing the exciting coil, and transmit alternating current signals that are 90 electrical degrees apart in phase. The multiplication factor of angle of the sine detecting coil, the cosine detecting coil, and the exciting coil is different from the multiplication factor of angle of the sine exciting coil, the cosine exciting coil, and the detecting coil.

Abstract: A steering device (1) includes: a steering wheel (2); a plurality of proximity sensors (4, 5, 6, 7) which are arranged on a rim part (20) of the steering wheel (2), and output detection values (Ch_1, Ch_2, Ch_3, Ch_4) that vary according to distance between each arrangement position and the human body; and a grip determination device (8) which determines the presence/absence of gripping of the rim part (20) based on the detection values (Ch_1 to Ch_4) of the proximity sensors (4 to 7). The grip determination device (8) includes a selector (81) which selects a target sensor from among the plurality of proximity sensors (4 to 7) based on a change extent of detection values of the plurality of proximity sensors (4 to 7); and a determinator (82) which determines the presence/absence of gripping of the rim part (20) based on the detection value of the target sensor.

Abstract: A device for determining a reference curve for a rotational position of a rotary component rotatable about an axis of rotation. An encoder disk is connected to the rotary component and is rotatable about the axis of rotation where the encoder disk is circular and has a periodic outer contour with periods. A beam source emits a measuring beam directed onto the periodic outer counter of the encoder disk. A control unit is connected to a sensor unit. Each of the periods of the periodic outer contour of the encoder disk are made up of a respective first function portion and a respective second function portion where the first function portion and the second function portion follow a monotonic progression and where one of the first function portion and the second function portion increases monotonically and the other of the first function portion and the second function portions decreases monotonically.

Abstract: The present magnet holder and magnetic sensor bracket provide a robust, easily repaired magnet-and-sensor system. The axle extending through the holder and bracket is easily aligned in a shaft collar in the holder by an interlocking keyway. A slot extending through the collar allows deformation of the split collar to accommodate over-rotation without damage to the collar. The magnet assembly in the holder is held in place based on magnetic attraction, allowing both easy assembly and replacement. Likewise, the potential sensor attachment methods allow easy, rapid fabrication and replacement using assemblies with split sensor channels and retaining rings.

Abstract: A node mounting bracket for mounting a monitoring node within an access chamber includes a node support portion configured to engage and support the monitoring node; a spring leg extending substantially outward from the node support portion and configured to frictionally engage an inner chamber surface of the access chamber; and a handle extending substantially upward from the node support portion.

Abstract: A device for measuring at least one flow parameter of a fluid through a duct, in particular the flow rate thereof, including a portion forming an obstacle, intended to be brought into contact with the flow, the shape of which being chosen so as to generate turbulence in the flow; a vibration sensor sensitive to vibrations caused on the portion forming an obstacle by the turbulence; a processing unit configured to calculate the flow parameter of the fluid based on at least one vibration signal delivered by the vibration sensor.

Abstract: Differential pressure airflow sensor devices are disclosed. Disclosed are sensor devices for mounting on a fixed resistance having a low-pressure probe for extending through the fixed resistance from a housing and a high-pressure inlet to the housing. Disclosed are sensor devices having a plurality of pressure transducers.

Abstract: A magnetic meter is provided. The magnetic meter includes a flowtube having an inlet on a first end and an outlet on a second end, the inlet and outlet defining a direction of flow. The magnetic meter also includes a metal enclosure surrounding the flowtube. The metal enclosure is in fluid communication with the inlet and outlet of the flowtube and the metal enclosure extends, in the direction of flow, upstream beyond the inlet on the first end and downstream beyond the outlet on the second end of the flowtube. A method, meters and a metering system are also provided.

Abstract: A flow sensor including a fluid flow path, a first sensor configured to determine a first measurement of a thermal diffusivity and/or a viscosity of a fluid in the fluid flow path, a second sensor configured to determine a second measurement of a fluid flow velocity and/or a volumetric flow rate of the fluid in the fluid flow path, and at least one processor configured to adjust the second measurement based on the first measurement. A method including receiving fluid in a fluid flow path of a flow sensor, determining a first measurement of a thermal diffusivity and/or a viscosity of the fluid in the fluid flow path, determining a second measurement of a fluid flow velocity and/or a volumetric flow rate of the fluid in the fluid flow path, and adjusting the second measurement based on the first measurement.

Abstract: The present disclosure provides method, Internet of Things (IoT) system, and medium for correcting reading of a gas meter in smart gas. The method may be implemented by a smart gas device management platform of an IoT system for correcting reading of the gas meter in smart gas. The method may include: obtaining reading data of the gas meter, wherein the reading data includes a first reading data and a second reading data; determining a historical flow distribution condition; determining a current flow distribution condition; determining a first confidence level of the reading data; in response to a determination that the first confidence level is smaller than a confidence level threshold, obtaining a working condition parameter; and determining a correction value of the second reading data through a reading data correction model.

Abstract: An oil and gas metering system may include an edge platform having at least one of a supervisory computer or a peripheral device that have one or more memory devices storing instructions thereon that, when executed by one or more processors, cause the one or more processors to receive a historical data values from an oil and gas metering subsystem, the historical data values having values of a plurality of data points for a plurality of historical times; evaluate the historical data values by at least one of the supervisory computer or the peripheral device to generate evaluation results; generate user interface data having at least one of the historical data values or the evaluation results; and transmit the user interface data. The system may include a cloud platform configured to receive the user interface data from the edge platform and provide the user interface data to a user device.

Abstract: A fluid measurement sensor and a mass flow controller are provided. The fluid measurement sensor includes a sensor base, a cover plate, a housing, a sensing tube, and a thermal insulation layer; the housing is connected to the sensor base, the cover plate is connected to the housing from one side of the housing, an inner sidewall of the housing is provided with a first half groove, an inner sidewall of the cover plate is provided with a second half groove, and the first half groove and the second half groove form a mounting groove; and the sensing tube is provided with windings wound round the sensing tube, the sensing tube wrapped by the thermal insulation layer is disposed in the mounting groove, and two ends of the sensing tube penetrate through the sensor base.

Abstract: A fuel remaining amount measuring apparatus for a boat includes a fuel tank containing fuel, a load sensor to measure a weight of the fuel tank, and a corrector to receive a measured value of the weight of the fuel tank detected by the load sensor. The corrector is operable to correct an error due to at least one of a movement or a tilt of the boat.

Abstract: In the present description, a capacitive sensor system is described by means of which the amount of solid precursor in a precursor vessel for a semiconductor manufacturing process can be determined and to a method for using the same. The system comprises at least two electrodes that are arranged in a substantially parallel manner within the precursor vessel.

Abstract: A high-frequency module for radar-based level meters is based upon a transceiver unit for generating the radar signals and for determining the fill-level from corresponding received signals. The transceiver unit is enclosed for explosion protection purposes by an electronics encapsulation. A waveguide segment is connected to the transceiver unit to transmit the radar signals out of the electronics encapsulation to the outside. The waveguide segment is attached to a feedthrough of the electronics encapsulation such that the waveguide segment is guided out of the electronics encapsulation. The transceiver unit or the printed circuit board which carries it is thereby not attached directly to the electronics encapsulation, but in a free-standing manner to the waveguide segment. The printed circuit board can be made very compact since no space is required for further fastenings. As a result, the high-frequency module can be designed to be very compact overall.

Abstract: A system provides a level detector with a multi-axis magnetometer sensor that senses movement of a magnet connected to a float within a vessel. A temperature sensor may assist in compensating for changes to the magnetic field due to ambient temperature. Output from the sensor is provided to a local data processing unit which provides level data to a local display. The local data processing unit sends data through a communications port to a remote system which can track level remotely as well as assimilate and uniquely characterize data from other vessels to provide more accurate level measurement by the local processing unit.

Abstract: A weight measuring device includes a top layer including a plurality of first flats and at least one bi-stable spring band. The plurality of first flats are connected to each other via the at least one bi-stable spring band. The weight measuring device further includes a bottom layer including a plurality second flats connected the plurality of first flats. The weight measuring device further includes at least one force sensor interposed between the top layer and the bottom layer. The weight measuring device further includes a processor configured to determine a weight of an object placed on the top layer or the bottom layer based on signals generated from the at least one force sensor.

Abstract: This invention relates to improvements to a weighbridge belt scale, used in combination with a conveyor system, that incorporates a pair of base plates, attached to an existing conveyor structure, each base plate contains two weight sensors, which connect upon riser blocks, to provide for uniform clearance between the mount base plates, and the idler mount plates, of the conveyor system. Various rod end bearings allow for minor corrections to the assembly imperfection, and various shims can be used to make sure that the overall height of the standard idler and the scale weighbridge are adjusted to a height that matches with the other idler rollers of the conveyor belt system. This provides for more precise calculation of the parameters being detected by the weight sensors, so that more accurate determination of the weight, speed, and volume of the materials being conveyed, are attained.

Abstract: Provided is a large weight scale capable of weighing a to-be-weighed subject sitting in a wheelchair, including a rectangular weighing base on which the to-be-weighed subject gets on, weighing sensors disposed at four corners of the weighing base, and a control unit configured to perform arithmetic operations based on output values of the weighing sensors, wherein the large weight scale includes a bedsore detecting unit configured to detect and make a notification of the possibility of the to-be-weighed subject in a wheelchair developing a bedsore based on a first sum value of output values of a pair of the weighing sensors disposed on a left side of the weighing base, a second sum value of output values of a pair of the weighing sensors disposed on a right side of the weighing base, and a third sum value of output values of all of the weighing sensors.

Abstract: A wearable sensing device includes: a sensor provided on clothing worn by a worker wearing conductive work clothes; and an electronic device connected to the sensor. The electronic device includes a ground connection part that makes contact with the conductive work clothes to be electrically connected to the conductive work clothes.

Abstract: A vibration detector includes: a vibration member to vibrate in a thickness direction; a fixed end beam member connected to the vibration member at one end of the fixed end beam member in a first direction; a fixed member connected to another end of the fixed end beam member in the first direction; and a strain detection member on at least one of the fixed end beam member or the vibration member and to detect strain of the vibration member. A length of the one end in a second direction perpendicular to the first direction and the thickness direction is shorter than a length of one side of the vibration member in the second direction, the one side of the vibration member is opposed to the fixed member in the first direction.

Abstract: In some implementations, an optical assembly includes an optical power monitor to receive a portion of an optical beam and to perform a measurement on the portion of the optical beam; an optical tap to tap the optical beam and provide the portion of the optical beam; and an optical element to allow the portion of the optical beam from the optical tap to propagate toward the optical power monitor, wherein the optical element includes an absorptive material to absorb light other than the portion of the optical beam that is propagated toward the optical power monitor.

Abstract: A device, in particular, a pyranometer, for measuring solar irradiance, comprises a light detection means and a temperature measurement means, and for which the temperature measurement means is configured to measure the temperature of the light detection means, and a data processing means configured to determine the irradiance by taking into account, in situ, the temperature of the light detection means. An irradiance measurement system and an irradiance measurement method are also disclosed.

Abstract: A light sensing method having a sensing order adjusting mechanism is provided. The method includes steps of: in a previous sensing cycle, sensing a first light signal that is emitted by both of an ambient light source and a light-emitting component and then is reflected by a tested object; in the previous sensing cycle, sensing a second light signal that is emitted by both of the ambient light source and the light-emitting component and then is reflected by the tested object; in the previous sensing cycle, sensing an ambient light signal emitted by only the ambient light source; and in a next sensing cycle, sensing the first light signal, the second light signal and the ambient light signal in an order different from that in the previous sensing cycle.

Abstract: Disclosed is a device for inspecting optical power measurement of a light emitter, the device including: a reference light emitter; a measurer configured to measure optical power by receiving light emitted from one of the reference light emitter and a plurality of inspection target light emitters, the measurer including an integrating sphere, a photodiode detector, and a photocurrent or photovoltage measurement device; and a controller configured to calculate a first average of optical power of the plurality of inspection target light emitters by measuring first optical power of a first inspection target light emitter among the plurality of inspection target light emitters, and generate an alarm to stop using the measurer when a difference between the first average and a second optical power of the reference light emitter exceeds a first threshold. Thus, the inspection is more accurately and reliably carried out.

Abstract: A light receiver circuit with compensation of propagation times has at least one light sensor, one control circuit, one connecting line to a TDC circuit, and a test circuit. The test line is connected to a test signal source. The test circuit connects the test line to the control circuit and forwards the test signal to the control circuit. The control circuit routes a measurement signal of the light sensor to the TDC circuit and a test signal to the connecting line and to the TDC circuit to evaluate the test signal and propagation time of test signal from test circuit to TDC circuit. The light sensor array further includes a plurality of light receiver circuits of such kind. The invention also relates to a Lidar receiver for capturing optical events with a light sensor array with a TDC circuit and a test signal source and with a timecode generator.

Abstract: A photoelectric conversion apparatus in which a plurality of pixels are arranged is provided. Each of the plurality of pixels includes an avalanche photodiode arranged between a first potential supply line and a second potential supply line, a first switch element arranged between the first potential supply line and the avalanche photodiode, a second switch element arranged between the first switch element and the avalanche photodiode, a capacitive element including a first terminal and a second terminal connected to a first node that connects the first switch element and the second switch element, and a detection circuit configured to detect occurrence of avalanche breakdown of the avalanche photodiode in accordance with a change of a potential of a second node that connects the second switch element and the avalanche photodiode.

Abstract: A display panel has a display area and a non-display area surrounding the display area, and includes photosensitive components and a photosensitive driving circuit. The photosensitive components are used to sense ambient light, and the photosensitive driving circuit is connected to the photosensitive components to drive the photosensitive components. The photosensitive driving circuit is disposed in the non-display area, and at least a part of the photosensitive components is disposed in the non-display area.

Abstract: A monochromator apparatus for an optical spectrum analyzer (OSA) may include a diffraction grating and a sensor. For calibration of the monochromator, an optical signal may be received and a 0th order diffracted signal and an angle of the 0th order diffracted signal may be detected, where the 0th order diffracted signal is obtained by diffracting the optical signal on the diffraction grating. The angle of the 0th order diffracted signal may be set as a reference angle and a next order diffracted signal and an angle of the next order diffracted signal detected. A wavelength of the next order diffracted signal may be determined based on the reference angle and the other angle of the next order diffracted signal using a look-up table or a grating equation-based computation. The calibration may be performed for each sweep of the OSA, at the beginning of a measurement, periodically, or on-demand.

Abstract: A spectroscopic unit includes a housing having a wall part formed with an opening, a first aperture part formed with a first aperture, and a second aperture part formed with a second aperture, in which a length of the second aperture in the facing direction is larger than a length of the first aperture in the facing direction, an outer edge of the first aperture is positioned inside each of an outer edge of the opening and an outer edge of the second aperture, and the first aperture includes at least one of a first tapered portion reaching a first surface of the first aperture part and extending toward the first surface, and a second tapered portion reaching a second surface of the first aperture part and extending toward the second surface.

Abstract: An optical device includes: a first optical system; and a second optical system. The first optical system includes a first light splitting device configured to split measurement light emitted from a first light source into a first measurement light and a second measurement light and then mix the split measurement light, a first mirror configured to add a first modulation signal by being moved in an entering direction of the first measurement light and reflecting the first measurement light, a second mirror configured to reflect the second measurement light, and a first light receiving device configured to receive the measurement light including a sample-derived signal and the first modulation signal and output a first light receiving signal.

Abstract: A color measurement instrument for measuring colors of areas of interest of a target object includes a spectral engine, a color camera, a display, and a processor. The spectral engine has a first field of view. The camera has a second field of view, the second field of view being larger than the first field of view and encompassing the first field of view. The processor is coupled to the spectral engine, camera and display, and configured with instructions that, when executed, cause the processor to display a live view of the second field of view on the display with a representation of the location of the first field of view superimposed on the displayed live view, an area of interest is detected as wholly occupying the first field of view, and a measurement is made.

Abstract: A method for spatially resolved color determination, comprising the steps of projecting (S101) a first structured-light pattern having a first wavelength of light onto a dental object; detecting (S102) a first spatially resolved optical parameter set based on the reflected or remitted first structured-light pattern; projecting (S103) a second structured-light pattern having a second wavelength of light onto the dental object; detecting (S104) a second spatially resolved optical parameter set based on the reflected or remitted second structured-light pattern; and calculating (S105) a third spatially resolved optical parameter set at a third wavelength of light based on the first and second spatially resolved optical parameter sets.

Abstract: An apparatus includes a display, a facial interface, interface material positioned on the facial interface, the interface material including a first surface that abuts the facial interface and a second opposing the first surface, and a sensor positioned on the facial interface or within the interface material, the sensor being oriented towards the second surface, and at least a portion of the interface material being sensorally transparent and positioned between the sensors and the second surface.

Abstract: An element array circuit includes one or more first wiring lines, second wiring lines, impedance elements, one or more operational amplifiers, one or more conversion elements, and one or more switchers. The second wiring lines each extend in a direction different from a direction of extension of the first wiring lines. The impedance elements are each coupled to one each of the first and second wiring lines. The operational amplifiers each include a positive input terminal, a negative input terminal couplable to one of the second wiring lines, and an output terminal. The conversion elements are each coupled to the negative input terminal and the output terminal, and each convert a current flowing through the second wiring line coupled to the negative input terminal into a voltage. The switchers are each coupled to one of the conversion elements and come into a conducting state or a nonconducting state.

Abstract: An apparatus for correcting a temperature of an object using a shutter according to one embodiment of the present disclosure may comprise a temperature measurement module for measuring the temperature of the object and a temperature of the shutter, a noise temperature calculation module for calculating the temperature due to noise using the measured temperature of the shutter, and a temperature correction module for correcting the temperature of the object by subtracting the calculated temperature due to noise from the measured temperature of the object.

Abstract: A resistance measurement method for a vaporizer includes: reading a resistance value of the vaporizer every first preset time to obtain a first preset number of first resistance values; starting the vaporizer and lasting for a second preset time; reading the resistance value of the vaporizer every third preset time to obtain a second preset number of second resistance values; and calculating an average of the first resistance value and the second resistance value as an initial resistance value of the vaporizer.

Abstract: Embodiments disclosed herein include sensor devices. In an embodiment, a sensor device comprises a substrate, a first sensor of a first type on the substrate, where a catalytic layer is provided as at least part of the first sensor, a second sensor of the first type on the substrate and adjacent to the first sensor, and a lid over the substrate, where an opening through the lid is provided over the first sensor and the second sensor.

Abstract: An in-contact temperature measurement probe, which can measure temperature accurately on the surface of a current carrying wire, rod, heater, or other device, while maintaining the safety of the user via employing non-electrically conductive but thermally conductive materials.