A current detection device of an embodiment includes a conductor, a first magnetic field detector, a second magnetic field detector, and a conductive film. The conductor includes a first region, a second region, and a third region connecting an edge of the first region and an edge of the second region. The first magnetic field detector is disposed between the first and second regions. The second magnetic field detector is disposed opposite to the first magnetic field detector with respect to the third region. The conductive film is bonded to a conductor layer including a slit having a width larger than each of widths of magneto-sensitive parts of the first and second magnetic field detectors and covers the slit, the conductor layer being provided between the conductor and each of the first and second magnetic field detectors.

The application provides a closed loop current transformer, in which a hall element is positioned in a notch of a magnetic ring and is used for generating an induced voltage according to the magnetic field generated in the magnetic ring by current to be measured. A first compensating coil and a second compensating coil are wound on opposite sides of the magnetic ring in the same winding direction. An input end of the power amplifier circuit is connected with an output end of the hall element, and an output end is connected with the first compensating coil and the second compensating coil respectively. The other ends of the first compensating coil and the second compensating coil are respectively connected with a signal detection circuit, and an output end of the signal detection circuit is used as an output end of the closed loop current transform.

A current sensor system, includes: a plurality of conductors that are integrated into a substrate, each of the plurality of conductors having a respective first through-hole formed therein and a plurality of current sensors, each of the plurality of current sensors being disposed on the substrate. Each of the plurality of current sensors is disposed above or below the respective first through-hole of a different one of the plurality of conductors, and the substrate includes a plurality of conductive traces, each coupled to at least one of the plurality of current sensors.

An arc detection device is used in a system including one or more power sources, a plurality of converters, and a plurality of load devices. The one or more power sources and the plurality of converters are connected to each other by a plurality of power lines. The plurality of converters and the plurality of load devices are connected to each other by a plurality of power lines. The arc detection device includes: an electric current detector that includes a magnetic core through which two or more power lines included in the plurality of power lines extend, and detects combined currents flowing through the two or more power lines according to the magnetic field produced at the magnetic core; and an arc determiner that determines, on the basis of the combined currents detected by the electric current detector, whether an electric arc has occurred.

The present application discloses a spin Hall device, a method for obtaining a Hall voltage, and a max pooling method. The spin Hall device includes a cobalt ferroboron layer. A top view and a bottom view of the spin Hall device are completely the same as a cross-shaped graph that has two axes of symmetry perpendicular to each other and equally divided by each other. The spin Hall device of the present application has non-volatility and analog polymorphic characteristics, can be used for obtaining a Hall voltage and applied to various circuits, is simple in structure and small in size, can save on-chip resources, and can meet computation requirements.

A non-intrusive electrical current detector system and method is disclosed. In one example, the system includes a magnetic field sensing device and a controller. The system provides a user with a way to monitor the running status of an electrical device, without the need to make electrical connections or separating conductors in a multi-conductor cable.

Multiple floor treatment operations, such as burnishing, polishing, and scrubbing, may be performed using a single floor treatment machine having a motor, the speed of which is governed by a controller that responses to sensor signals indicative of the type of floor treatments pad or pads operatively coupled to the motor.

A semiconductor package includes a leadframe forming a plurality of leads with a die attach site, a semiconductor die including a set of die contacts mounted to the die attach site in a flip chip configuration with each die contact of the set of die contacts electrically connected to leadframe via one of a set of solder joints, a set of solder joint capsules covering each of the set of solder joints against the leadframe, a clip mounted to the leadframe over the semiconductor die with a clip solder joint. The solder joint capsules restrict flow of the solder joints of the semiconductor die contacts in the flip chip configuration such that the solder remains in place if remelted during later clip solder reflow.

A control system for a wireless power transfer (WPT) system includes current sampling modules, voltage sampling modules, a logic conversion circuit, and a controller area network (CAN) communication module that are all connected to a microprocessor module; the current sampling module is connected to the logic conversion circuit through a signal isolation circuit, the logic conversion circuit is connected to a pulse-width modulation (PWM) module, the PWM module is connected to an inverter circuit or a DC/DC converter, and the current sampling module and the voltage sampling module are connected to a primary side or a secondary side of the WPT system; transmitter coils on the primary side are spaced apart on the road, a receiver coil on the secondary side is disposed on a chassis of an electric vehicle, and the transmitter coil includes a double rectangular coil, a ferrite core surface, and a shielding aluminum plate.

A wireless, non-invasive equipment for the monitoring of current flow directly in the wiring of the photovoltaic installations without having to cut the wire, that aims to remotely monitor and send the current readings of the wiring coming out of the photovoltaic solar panels, without having to disconnect the wires is disclosed. It consists in a portable housing, including inside a control circuit with its corresponding microprocessor and its DC/DC. The microprocessor is connected to different Hall effect sensors in order to measure the current flow through the wires of the installation and a RIFD reader for the identification of the installation. The equipment has a wireless communications module that sends the measured values together with the identification code of the installation.