Abstract: A sensor for measuring electrochemical impedance includes a primary circuit that includes a primary electrically conducting coil and a secondary circuit that includes a secondary electrically conducting coil. The primary electrically conducting coil is inductively coupled to the secondary circuit. During operation, the secondary electrically conductive couple has contact electrodes that contact a medium for which the impedance is to be measured. An alternating current source energizes the primary electrically conducting coil during impedance measurements.

Abstract: A fluid property detecting device includes a detection portion configured to detect electric characteristics of a detection target fluid, a calculation portion configured to calculate a property value of the detection target fluid, and a storage portion configured to store the property value calculated by the calculation portion. The storage portion stores, in advance, as the reference detection value, the detection value of the electric characteristic of a reference fluid detected by the detection portion, and the calculation portion calculates the property value of the detection target fluid on the basis of a value obtained by subtracting the reference detection value from a detection value of the detection target fluid.

Abstract: Bypass detection modules associated with a device are provided. The bypass detection module is configured to determine if one of more switches have been opened to remove service from a customer; monitor electrical characteristic associated with both a line side of the device and a load side of the device responsive to determining that one of more of the one or more switches have been opened to remove service from the customer; and determine a state of the device based on the monitored electrical characteristics.

Abstract: Provided is a rotation detection device including: a power supply unit configured to output constant power supply; a rotation sensor unit configured to output a detection signal that depends on rotation of a vehicle; a controller configured to calculate on-time rotation information on the vehicle, which is information at a time when an ignition switch is on, to control a motor; and a calculation unit configured to calculate off-time rotation information on the vehicle by intermittently supplying a power supply voltage to the rotation sensor unit when the ignition switch is off, update a set value of an intermittent interval so that the set value becomes smaller when the off-time rotation information contains information indicating rotation of a motor for the vehicle, and otherwise update the set value of the intermittent interval so that the set value becomes larger.

Abstract: A utility cover assembly includes a base unit made at least partially from a first material, a cover made at least partially from a second material capable of acting as a tuning plate for electromagnetic energy and an insert ring made at least partially from a third material and arranged between the base unit and the cover.

Abstract: The present invention corresponds to a method and an apparatus for detecting faults in transmission and distribution systems.

Abstract: 1. A device for the contactless distance and/or position determination of a measurement object (1), with an electrically conductive measurement object (1) and with a sensor (3) operating in particular according to the inductive, capacitive or the eddy current principle, wherein the sensor (3) comprises a measurement device (4), characterized in that the measurement device (4) is formed by at least two measurement elements (5, 5?, 5?) which are spatially separated from each other. Moreover, a corresponding sensor (3) is indicated.

Abstract: The present disclosure discloses a charging indication method. The method includes: acquiring a current ratio of a remaining battery capacity to a total battery capacity; determining a target curvature angle of a flexible display screen associated with a terminal based at least on the current ratio; and controlling the flexible display screen to present the target curvature angle.

Abstract: In accordance with some embodiments, an antenna is presented. In some embodiments, an antenna includes a plurality of coil arrays arranged along a core; and a switch coupled to each of the plurality of coil arrays, the switch connecting the plurality of coil arrays in one of a plurality of configurations in response to one or more sensitivity control signal.

Abstract: In an installation method for laying magnetic markers (10) in a road for driving assist control on a vehicle side, a laying work vehicle (2) sequentially lays the magnetic markers (10) while moving along the road without performing a prior survey or the like of laying positions, and then by using a positioning work vehicle (3) including a magnetic sensor capable of detecting magnetism, the laid magnetic markers (10) are detected and the laying positions are identified to generate position data regarding the magnetic markers (10), thereby allowing reduction of cost of laying the magnetic markers (10).

Abstract: A battery monitoring apparatus acquires a first physical quantity detected by a first detecting unit, and acquires a second physical quantity detected by a second detecting unit at each predetermined detection period. The battery monitoring apparatus stores the acquired first physical quantity and the acquired second physical quantity in association with respective time parameters. The time parameter is a time of detection of the respective first or second physical quantity or a correlation value that is correlated with the time of detection of the respective first or second physical quantity. The battery monitoring apparatus monitors a state of a storage battery using a set of first physical quantity and second physical quantity of which a difference in the time of detection is shorter than the detection period, among the first physical quantities and the second physical quantities stored by the battery monitoring apparatus, based on the time parameters.

Abstract: A detection circuit includes a switch conversion unit and a collection control unit. The switch conversion unit is configured to: enable a first end of the switch conversion unit to connect to a third end of the switch conversion unit within first duration, and enable a second end of the switch conversion unit to connect to the third end of the switch conversion unit within second duration. The collection control unit is configured to: collect a voltage (V1) between a first end of a relay and a second end of a battery pack within the first duration, collect a voltage (V2) between a second end of the relay and the second end of the battery pack within the second duration, and determine, based on V1 and V2, whether the relay is faulty.

Abstract: The test socket includes a fifth housing 15 located in a central part of contact terminals 21 in an axial direction and having electrical conductivity, plural through-holes 15c being formed in the fifth housing 15 to pass the respective contact terminals 21 therethrough; a sixth housing 16 stacked in the axial direction on the fifth housing 15, passage holes being formed in the sixth housing 16, the passage holes being configured to position the contact terminals 21 in a direction orthogonal to the axial direction; and an eighth housing 18 having electrical conductivity and stacked in the axial direction by sandwiching the sixth housing 16 between the eighth housing 18 and fifth housing 15, wherein the sixth housing 16 is provided with through-vias configured to form a conductive path in the axial direction.

Abstract: An example test system includes a test head and a probe card assembly connected to the test head. The probe card assembly includes: a probe card having electrical contacts, a stiffener connected to the probe card to impart rigidity to the probe card, and a heater to heat to at least part of the probe card assembly. A prober is configured to move a device under test (DUT) into contact with the electrical contacts of the probe card assembly.

Abstract: An apparatus an apparatus comprising: a substrate having a plane; and an array of at least one conductive probe having a base affixed to the substrate, the at least one conductive probe having a major axis extending from the plane of the substrate and terminating at a tip, wherein the one or more conductive probes comprise at least three points that are non-collinear.

Abstract: A coil assembly includes a coil winding and a multilayer printed circuit board. The coil winding has multiple loops that are arranged in different layers of the printed circuit board and form a main magnetic field with a main measuring direction perpendicular to a main plane of the printed circuit board. The loops arranged in different layers are electrically connected together via at least one via. The printed circuit board has at least four vias or a whole-number multiple of four vias that form an equal number of reverse current paths and forward current paths between the loops of the coil winding. Each pair of vias with the same current path direction is arranged point-symmetrically relative to a common mirror point such that magnetic loops that are formed on printed circuit board secondary planes arranged perpendicularly to the main plane have opposite directions and compensate for one another.

Abstract: A switch control apparatus and method to diagnose whether a plurality of switches are controllable and effectively control the plurality of switches. According to an aspect of the present disclosure, it is possible to effectively maintain the states of the switches through a plurality of processors.

Abstract: A method for locating a buried casing stub may comprise a) identifying a target region, b) providing at each of a plurality of survey points in the target region a casing stub locator that includes a vector magnetometer, c) measuring the magnetic field at each of the survey points using the vector magnetometer so as to generate a plurality of magnetic field measurements, d) using the magnetic field measurements to generate a model of the magnetic field of the target region, e) fitting the model generated in step d) to a selected model of a magnetic anomaly created by the casing stub so as to generate model fit information (MFI), and f) locating the casing stub using the MFI. At each survey point, an expected Earth magnetic field can be subtracted from the measured magnetic field. A total station can measure the position and/or the azimuth of the package.

Abstract: Techniques and mechanisms for mitigating damage to voltage regulator (VR) circuitry of a packaged device. In an embodiment, the VR circuitry comprises a circuit leg between a first node and a second node. During a burn-in process, the VR circuitry provides a regulated output voltage to a load circuit via the first node, wherein the output voltage is based on a supply voltage received via the second node. While the VR circuitry provides the regulated output voltage to the load circuit, a supply current is provided to the load circuit via a path which is independent of any leg which is between the first node and the second node. In another embodiment, an integrated circuit (IC) chip of the packaged device comprises the load circuit, and the leg further comprises an off-chip coil structure which is distinct from the IC chip.

Abstract: An apparatus for inspecting a surface includes a housing and a probe. The housing includes a light source to direct light along a longitudinal axis and a shutter to selectively allow light to pass through to the probe. The probe includes a body portion and a head portion. The head portion of the probe includes a collector to detect photoelectrons emitted from the surface in response to light from the light source impinging on the surface. A proximal portion of the head portion moves relative to a distal portion of the head portion to allow for variations in angle relative to the surface.