Abstract: A foot presence sensor system for an active article of footwear can include a sensor housing configured to be disposed at or in an insole of the article, and a controller circuit, disposed within the sensor housing, configured to trigger one or more automated functions of the footwear based on a foot presence indication. In an example, the sensor system includes a capacitive sensor, and the sensor is configured to sense changes in a foot proximity to the sensor in footwear. Information about the sensed proximity can be used to determine a foot velocity characteristic, which in turn can be used to update an automated footwear function, such as an automatic lacing function, or can be used to determine a step count, foot strike force, a rate of travel, or other information about a foot, about an activity, or about the footwear.

Abstract: An object container apparatus includes a housing, a sensor sheet, and one or more computer processors coupled to the sensor sheet. The housing comprises one or more interior surfaces forming a cavity. The sensor sheet is positioned within the cavity and comprises one or more arrays of capacitive touch pads. The one or more arrays of capacitive touch pads are arranged substantially parallel to each other in order to form a space within the cavity where an object can be inserted. The one or more computer processors are coupled to the one or more arrays of capacitive touch pads and configured to process capacitance measurements derived from the one or more arrays of capacitive touch pads. The object container apparatus functions to detect an object in the space via processing of capacitance measurements by the one or more computer processors.

Abstract: Method and device for monitoring an electrical load connected to a power supply, with first and second current paths, each having an actuating element, the current transmission capacity of which is alterable by an actuating signal, wherein the operating state of each actuating element is characterized by a voltage drop and the actuating signal. An open-loop control device is configured to activate the actuating elements, at least at measuring intervals spaced apart from one another in time, and evaluate values of the electrical variables obtained for detecting a malfunction of the actuating element, wherein one of the two variables is held at a prescribed value, and the values of the other variable are correlated with one another. A field-effect transistor is activated such that the transistor is not connected through, but rather that a greater voltage drops across the transistor than would be the case in the connected through state.

Abstract: System and methods for accuracy improvement of an LVDT are provided. Aspects include determining a first voltage from the first PGA and a second voltage from the second PGA, wherein the first voltage is determined from a PGA coupled to a first secondary winding, and wherein the second voltage is determined from a second PGA coupled to a second secondary winding, iteratively performing: analyzing the first voltage to determine a gain correction is needed for a first gain for the first PGA, the gain correction comprising change to the first gain, and analyzing the second voltage to determine a gain correction is needed for a second gain for the second PGA, the gain correction comprising change to the second gain, based on determining a gain correction is not needed for the first gain and the second gain, calculating a position based on the first voltage and the second voltage.

Abstract: An apparatus for measuring a cell pitch of a fuel cell stack, the fuel cell stack including a plurality of unit cells stacked in a stacking direction, wherein each unit cell has a membrane electrode assembly (MEA) interposed between a pair of metal separators, is provided. The apparatus includes a detector configured to generate a magnetic field in response to application of a current while being moved along the stacking direction of the unit cells, and sense an induced current generated in the separators by the generated magnetic field to detect positions of the separators.

Abstract: A probe position monitoring structure includes a first common line and a contact portion configured for being directly contacted with a probe. The contact portion includes a first zigzag structure, and a first end of the first zigzag structure is directly connected with the first common line. A method of monitoring a position of a probe includes the following steps. The probe position monitoring structure is provided. The first zigzag structure is directly contacted with a first probe. A resistance measurement is performed to measure a resistance of a portion of the first zigzag structure located between the first probe and the first end for monitoring a position of the first probe.

Abstract: An electrical connecting device includes a probe head, and probes for measurement and probes for confirmation held by the probe head. The probe head holds the probes for measurement and the probes for confirmation in a state in which the respective tip ends are exposed therefrom. An exposed length from the probe head to the tip end is shorter for the probes for confirmation than for the probes for measurement.

Abstract: A magnetic field analysis device includes a magnetization application unit that divides a virtual space into a plurality of volume elements and applies magnetization to each of the volume elements, and a magnetic field calculation unit that calculates, on each of a plurality of observation points in the virtual space, based on the magnetization applied to a plurality of the volume elements around the observation point, a magnetic field generated at the observation point for each volume element and obtains a magnetic field generated at each of the plurality of the observation points based on a calculation result of each of the plurality of the volume elements.

Abstract: A ground fault detection circuit can include a band-pass filter that can have a first node and a second node that can be coupled to an earth ground. The first node can be coupled to a local ground of an automatic test equipment (ATE) system for an electrical device that can be coupled via at least one wire to the ATE. The band-pass filter can be configured to pass and amplify a test current signal established at the first node in response to a coupling of one of a conductor of the at least one wire carrying the test current signal to the local ground, and a conductive element of the electrical device carrying the test current signal to the local ground. A fault alert signal can be provided to provide an indication of ground fault based on a comparison of the amplified test current signal.

Abstract: An apparatus for determining magnetic properties of a portion of a magnetizable endless belt. The apparatus includes a primary coil for generating a magnetic field. The windings of the primary coil are wound around the endless belt. A secondary coil measures the magnetic flux density. A slotted yoke guides the magnetic flux. The endless belt extends through slots in the yoke. First measuring devices measure the magnetic field in a width portion parallel to the endless belt. Second measuring devices measure the magnetic field in the width portion parallel to the endless belt.

Abstract: An eddy current probe providing a first sensor element having a first body and a first induction coil mounted onto a distal portion of the first body, a second sensor element having a second body and a second induction coil mounted onto a distal portion of the second body, a probe casing provided with first and second through-holes inside which are respectively mounted proximal portions of the first and second bodies of the first and sensor elements, the distal portions of the first and second bodies protruding outwards with regard to the probe casing, and a cap mounted onto the probe casing and covering the distal portions of the first and second bodies and the first and second induction coils.

Abstract: A contact measurement system for measuring a parameter of a contact of a switchgear includes: a first device for measuring an electrical resistance of the contact and mapping the electrical resistance spatially and/or dynamically; a second device for measuring an axial force of the contact and to map the axial force spatially and/or dynamically as a measured axial force; and a third device for measuring a position of the contact. The contact measurement system determines a position-depending force characteristic based on the measured axial force of the contact and the position of the contact. The contact measurement system determines a status of the contact based on a combination of the position-depending force characteristic with the electrical resistance of the contact.

Abstract: A method for operating a battery sensor having at least one measuring resistor and at least one voltage capture device for capturing a voltage drop across the measuring resistor and for outputting at least one measured value dependent on the captured voltage drop and an evaluation circuit. The method including determining a correction value for the measured value by the evaluation circuit, and determining a first temperature value of the measuring resistor on the basis of the determined correction value by the evaluation circuit.

Abstract: Various implementations described herein relate to systems and methods for determining abnormal leakage current of a capacitor by determining a number of recent leakage current values for the capacitor and determining a maximum upper limit, minimum upper limit, maximum lower limit, and minimum lower limit based on leakage current values different from the recent leakage current values. A present upper limit and a present lower limit are determined for the recent leakage current values. Abnormal leakage current is determined in response to determining that the present upper limit being greater than an upper threshold (determined based on the maximum upper limit and the minimum upper limit) or the present lower limit being less than a lower threshold (determined based on the maximum lower limit and the minimum lower limit).

Abstract: A method for monitoring a circuit breaker includes measuring at least two operating condition related parameters of the circuit breaker during operation of the circuit breaker; obtaining first data representing a vector having at least two components respectively representing the at least two measurements of the at least two parameters; judging location of the vector represented by the obtained data with respect to a vector space having an envelope separating healthy and unhealthy status of the circuit breaker, where the envelope has at least one portion of curvature; and generating a signal indicating the health status of the circuit breaker in consideration of the location of the vector if it is outside of the envelope.

Abstract: A method of using a resonant cavity for measuring a complex permittivity ? and identifying of a sample (solid or liquid) of microliter volume size includes using a network analyzer to measure over a defined millimeter wave frequency range, a first resonance frequency at a cavity resonance mode, and calculating an unloaded quality factor of an enclosed resonant waveguide cavity of a defined internal dimensions, placing a sample on a surface of a bottom wall of the resonant waveguide cavity and measure a second resonance frequency and calculating a loaded quality factor; determining, a resonance frequency shift ?f=(fs?fo), determining a complex permittivity ? of the sample according to the resonance frequency shift ?f, the loaded quality factor, the unloaded quality factor and the defined internal dimensions; and identifying the sample using a database through the complex permittivity ?.

Abstract: A chamber and a system for real-time analysis of gas generated inside a secondary battery. The chamber and system are capable of adjusting temperature while directly applying heat to the secondary battery. The system may include a chamber, a pump module, and an analysis module. The chamber may include a first housing which is insulative, and configured to house the secondary battery mounted in an inner space surrounded by the first housing, a second housing which is thermally conductive and surrounding the first housing, an inlet connected to the pump module, a temperature sensor configured to measure a temperature of the secondary battery or a temperature inside the chamber, and a first heat generation member configured to heat the secondary battery, the first heat generation member being configured to be inserted into the second housing.

Abstract: A device, a system, and a method for testing a PCB are provided. The PCB includes a first electrical contact and is applied to a display panel. The device includes a test board, a display assembly, a circuit unit, an aligning portion, and a pressing portion. The PCB and the display assembly are positioned on the test board. One end of the circuit unit defines a second electrical contact, and the other end of the circuit unit defines a third electrical contact. The aligning portion is configured to align the first and the second electrical contacts. The third electrical contact is electrically communicated with the display assembly via an electrically conductive adhesive. The pressing portion is configured to press the circuit unit, so that the second electrical contact is electrically connected with the first electrical contact and the display assembly is electrically communicated with the PCB.

Abstract: A magnetic body inspection apparatus includes a magnetic field application unit configured to apply a magnetic field to a long material including a magnetic body to be inspected, a detector configured to excite, in a longitudinal direction of the long material, magnetization of the magnetic body, the detector being configured to acquire a detection signal based on the magnetic field of the magnetic body that has been excited, and a detection apparatus body including the magnetic field application unit and the detector, the detection apparatus body being configured to be attachable to the long material in a short-side direction of the long material.

Abstract: A pressure sensor, includes: a first substrate; a pressure sensing layer on one surface of the first substrate; and a driving electrode and a sensing electrode on the pressure sensing layer and spaced apart from each other, wherein the driving electrode and the sensing electrode are on a same layer, and each of the driving electrode and the sensing electrode is directly on the pressure sensing layer.