Abstract: A pluggable state-of-charge (SOC) indicator and methods of use are disclosed. The pluggable SOC indicator includes at least one voltage input jack for connecting to a battery, at least one instance of control electronics, and at least one SOC indicator, such as a 5-bar liquid crystal display (LCD). Embodiments of the pluggable SOC indicator include, but are not limited to, a pluggable single-connector SOC indicator, a pluggable dual-connector SOC indicator, a pluggable tri-connector SOC indicator, and a pluggable quad-connector SOC indicator. Further, the control electronics are programmable for any input voltage range and/or battery discharge characteristics.

Abstract: Provided are a parasitic capacitance detection method, a memory, and a readable storage medium, relating to the field of semiconductor technologies. The detection method comprises: providing a plurality of semiconductor devices for testing, all the semiconductor devices being the same in a number of sources, a number of drains, a number of active layers, a number of gates, a number of wires and a cross-sectional area of the wire, all the semiconductor devices being different in a length of the wire therein; determining a capacitance between the wire per unit length and the gate in the semiconductor device, the capacitance between the wire per unit length and the gate being considered as a parasitic capacitance per unit length; determining a corresponding wire length of a to-be-detected semiconductor device; and determining a parasitic capacitance of the to-be-detected semiconductor device.

Abstract: A fuse monitoring device for monitoring a fuse supported by a fuse block, the fuse monitoring device including a housing. The housing includes a holder attachment mechanism configured to connect the fuse monitoring device to a fuse block. The housing also includes a mounting attachment mechanism configured to connect the fuse monitoring device to a mounting structure and at least one sensor configured to be operably connected to a fuse and configured to measure fuse data associated with the fuse. The monitoring device further includes at least one processor communicatively coupled to the at least one sensor.

Abstract: A piston assembly for use in a gas spring or damper can include a piston rod partially positioned within a pressure tube, and a linear position sensing apparatus capable of tracking and determining the velocity of the piston rod. The linear position sensing apparatus can include a sensor, such as a waveguide sensor, connected to the piston rod such that the sensor moves with the piston rod. A beacon, such as a magnet, can be contained within the pressure tube and the sensor can detect the position of the beacon relative to the sensor.

Abstract: A device and system for detecting a touch panel are used for detecting a metal mesh on the touch panel, where row direction channels and column direction channels on the metal meshes each include a plurality of touch units which are connected with each other. In the device for detecting a touch panel, a signal transceiving component includes a signal generating unit and a signal receiving unit, which are configured to be arranged on the same side of the metal meshes in preset relative positions, and send and receive a signal through capacitive coupling with the metal mesh, respectively; a defect detecting unit is configured to detect each of a plurality of touch units in the metal meshes based on a detection signal received by the signal receiving unit.

Abstract: The present disclosure relates to circuitry for detecting connection of a plug of an audio accessory device to a socket of an intermediate cable that is connected to a host device, wherein the plug of the accessory device is of a different type than the socket of the intermediate cable. The circuitry comprises a monitoring unit comprising a first terminal configured to be electrically connected to a first socket contact of the socket that is in electrical contact with a first plug contact of the plug when the plug is fully received in the socket; and a second terminal configured to be electrically connected to a second socket contact of the socket that is in electrical contact with a second plug contact of the plug when the plug is fully received in the socket.

Abstract: An eddy current sensor assembly includes an eddy current sensor and an output signal processing circuit that processes an output signal from the eddy current sensor. The output signal processing circuit includes a mixer circuit that accepts the output signal and a signal of the predetermined frequency as input, multiplies the two signals received as input, and outputs an output signal obtained by the multiplication, and a low-pass filter that accepts the output signal output by the mixer circuit as input, cuts a high-frequency signal included in the output signal received as input, and outputs at least a direct-current (DC) signal.

Abstract: A pulsed high frequency monitor of the present invention monitors the power level of a pulsed high frequency on the basis of a transition pattern in which the power level changes in time series instead of monitoring the power level by comparing the power level of the pulsed high frequency with a threshold value. The pulsed high frequency monitor comprises: a DC circuit that converts the pulsed high frequency into DC and outputs the power level; a power level change detection circuit that detects a level change of the power level; and a transition pattern determination circuit that determines a time-series transition pattern of the power level on the basis of the level change detected by the power level change detection circuit.

Abstract: Determining the ratio between two frequencies can be a useful electronic building block in different electronic circuits with very divers functionalities.

Abstract: A periodic arrangement of magnets are used to form structures that channel the potential energy that a magnet possesses into kinetic energy in a controlled fashion to perform some useful work or function. One function is to create a magnetic chute that converts the potential energy of a magnetic projectile into kinetic energy that is used to channel the projectile to follow a path achieving high velocities along a path. The path is formed by assembling magnets periodically along the path in a certain fashion to create a magnetic chute that allows the magnetic projectile to slide easily along the path since the projectile is confined by the shape of the magnetic chute.

Abstract: An inductive transducer apparatus for testing metallic objects using Pulsed Eddy Current topology. The Apparatus includes a transmitter coil, a receiver coil, and a hybrid core. The hybrid core has a high saturation point which allows the transducer to generate a strong initial magnetic field that may further induce strong eddy currents on the surface of the target capable of penetrating deep into metallic objects under inspection. The hybrid core also has a high permeability which enhances the transducer's sensitivity and allows to maintain high signal-to-noise-ratio and of the received signal associated with Eddy Current magnetic field decaying, thus enhancing the system's performance in environments where reliable quantitative analysis of flaws located deep underneath the surface of metal objects is required. A linearity compensation method may be applied to further enhance the performance of the system.

Abstract: An electric meter includes a housing, a first set of connection paths, and a second set of connection paths. The first set of connection paths couple to a meter socket and are electrically coupled to a first electrical connection path between first phases of an electric distribution power source, a distributed energy resource device, and a load. First electrical metrology components of the first electrical connection path are positioned within a first segment of the housing. The second set of connection paths couple to a meter socket and are electrically coupled to a second electrical connection path between second phases of the electric distribution power source, the distributed energy resource device, and the load. Second electrical metrology components of the second electrical connection path are positioned within a second segment of the housing that is non-overlapping with the first segment of the housing.

Abstract: Techniques for usage metering by bias temperature instability with differential sensing on pairs of matching transistors are provided. In one aspect, a usage metering device includes: at least one metering circuit on a chip, the at least one metering circuit having a pair of matching transistors, and a differential current sense circuit connected to the pair of matching transistors, wherein the pair of matching transistors includes a reference transistor which is unused during regular operation of the chip, and a stressed transistor that is on continuously during the regular operation of the chip, and wherein the differential current sense circuit determines a Vt difference between the reference transistor and the stressed transistor. A method for usage metering and a method of forming a usage metering device are also provided.

Abstract: There is provided a placement table having an upper surface on which a device to be processed is placed. The placement table comprises: a top plate having a placement surface for the device; a heating unit configured to heat the top plate; a plurality of temperature sensors configured to acquire temperature of the top plate at desired measurement positions in a plan view; and a positioning unit electrically connected to the temperature sensors and configured to position the temperature sensors at the measurement positions in a plan view. The positioning unit is formed of a flexible substrate having flexibility.

Abstract: The invention relates to a method for determining the material moisture of a material, comprising the following steps: referencing a material using a referencing device by determining the material moisture of a material sample of the material in accordance with the mass of the material sample; determining the dielectric material constant (DProbe) of the material sample in accordance with the material moisture; calibrating a first microwave sensor using the dielectric material constant of the material sample; measuring the dielectric material constant of the material online by means of the first microwave sensor; determining the material moisture of the material using the dielectric material constant previously measured online.

Abstract: A method may include receiving a command to move one or more armatures of a switching device from a first position that electrically couples a first contact to a second contact to a second position that electrically uncouples the first contact from the second contact. The method may also include selecting a current zero-crossing point along an electric waveform indicative of a change in current through the first contact and the second contact as a synchronization point, determining a predicted current zero-crossing point by adding a period measurement associated with a previously detected current zero-crossing point or a previously detected line-to-line crossing point in the electric waveform to the synchronization point, and transmitting a command to the switching device to move the armatures from the first position to the second position before or at the predicted current zero-crossing point.

Abstract: The present invention relates to a device wherein fluid or air-induced instability is converted into a flow sensing mechanism by building a CPW (Coplanar Wave Guide) resonator. Depending on the flow rate, periodic transitions between two bistable states emerge. Owing to the dependence of the transition period and the flow rate, the use of this effect for on-chip flow rate sensing is achieved with this invention. Moreover, the present invention ensures a flow rate sensor to be used in the ventilation machines for the treatment of the COVID-19 pandemic.

Abstract: An electrical ground connector for use as part of a test connector in an integrated circuit (IC) device testing apparatus having a resilient connector for electrical grounding and comprising a dual elastomer contact stacked vertically above a rigid ground block. The height of the ground block can be adjusted to compensate for the lack of height of the dual elastomer contacts, so that the entire connector has enough height to maintain electrical connection between a load board of the testing apparatus and the IC device.

Abstract: A method for detecting and analyzing olefins in petroleum by electrospray ionization mass spectrometry can include obtaining a hydrocarbon sample comprising at least about 90 wt % of saturate compounds; producing a solution comprising the hydrocarbon sample and a metal salt, the metal salt comprising a metal ion; forming olefin-metal ion complexes by electrospray ionization; and detecting the olefin-metal ion complexes using mass spectrometry.

Abstract: The invention relates to an apparatus for detecting a key press comprising a circuit substrate, to a key module with a key cap and a movement mechanism, and to a device for detecting the movement of the key cap, wherein this device comprises an electrical resonance circuit with a primary coil and a secondary coil with a short-circuited winding, which secondary coil is moved with the key cap, wherein the primary coil and the secondary coil are inductively coupled to one another, and the strength of the inductive coupling between the primary coil and secondary coil and thus at least one physical variable of the resonance circuit change during the movement of the key cap. The invention also relates to a keyboard comprising one or more such apparatuses and to a method for detecting a key press.