The disclosure discloses a magnetic induction intensity detection device and a terminal equipment. The magnetic induction intensity detection device provided by an embodiment of the disclosure includes: a power supply, an electroluminescence component and a current detection component, wherein the electroluminescence component and the current detection component are connected in series; the power supply is configured to supply a voltage to the electroluminescence component so that the electroluminescence component generates a current; the current detection component is configured to detect a current variation flowing through the electroluminescence component, and determine a current magnetic induction intensity according to the current variation and a correspondence between current variations and magnetic induction intensities.

A magnetic field sensing system may include a first magnetic field sensing element; a second magnetic field sensing element; means for generating a first magnetic field having a first non-zero frequency; means for generating a second magnetic field having a second frequency; a conductive target positioned to generate a reflected magnetic field in response to the first magnetic field; means for producing a first signal representing the first magnetic field and the reflected magnetic field during a first alternating time period; means for producing a second signal representing the second magnetic field during a second alternating time period; means for calculating an error value as a function of the first and second signals, wherein the error value is based, at least in part, on the second signal during the first time period; and means for applying the error value to the first signal during the first alternating time period.

Provided is a magnetic detection device (100) having a simple configuration and being capable of stably detecting fine portions of a coin. The magnetic detection device (100) comprises an excitation coil (LX) that generates an alternating magnetic field in a transport path for transporting a coin in a first direction, and a plurality of detection coils (L1, L2) that are arranged at a predetermined pitch in a second direction and that output a detection signal based on an induction voltage caused by the alternating magnetic field. Each of the plurality of detection coils (L1, L2) outputs a detection signal on the basis of the induction voltage induced by the alternating magnetic field, which changes due to the coin being transported along the transportation path.

A magnetic field detection device includes a magnetic field detection element, a modulation coil, and a demodulator. The magnetic field detection element has a sensitivity axis in a first direction. The modulation coil is configured to apply, to the magnetic field detection element, an alternating current magnetic field having a first frequency and a component in a second direction, the second direction being orthogonal to the first direction. The demodulator is configured to demodulate an output signal having the first frequency and outputted from the magnetic field detection element, and detect, on a basis of an amplitude of the output signal, an intensity of a measurement magnetic field to be received by the magnetic field detection element.

An inductive sensor insusceptible to external electromagnetic fields. The sensor coil is designed so as to have a first winding part and a second winding part connected thereto, the first winding part and the second winding part being wound in opposite directions. The first winding part is connected to a first coil terminal and the second winding part is connected to a second coil terminal.

Disclosed herein is an electric pot having an improved relay installation position. The electric pot includes a pot main body that is provided with a magnetic field generator generating a magnetic field at a lower portion of the pot main body, and a supporter that includes a magnetism detection sensor detecting magnitude of a magnetic field generated by the magnetic field generator and, based on the detected magnitude of a magnetic field, generating a voltage and that includes a comparator comparing the voltage generated by the magnetism detection sensor with a predetermined reference voltage and, based on the comparison, controlling a switchover operation of a relay part, thereby controlling the relay part through a simple circuit configuration and through magnetic field generation and detection means without an additional communication means.

A magnetic-inductive flowmeter for measuring the flow of a conductive medium having a measuring tube, a magnetic field generator, a magnetic circuit device for guiding the measuring magnetic field, electrodes for detecting a flow-dependent electrical measuring voltage when the conductive medium flows through the measuring tube, and an electronic control and evaluation unit, and a method for operating the magnetic-inductive flowmeter. To make the magnetic-inductive flowmeter which smaller and cheaper, a sensor for detecting a physical disturbance variable acting on the magnetic circuit device is arranged on the magnetic circuit device, wherein the measuring magnetic field is influenced by the physical disturbance variable and wherein the control and evaluation unit is designed such that it detects and signals an exceeding or falling below of a pre-definable limit value of the physical disturbance variable and/or performs a correction of the effect of the physical disturbance variable on the flow measurement.

A magnetic sensor comprises a magnetic material portion; an excitation portion; and a magnetic detection portion, the magnetic sensor detecting a magnetic field by the magnetic detection portion detecting a detection magnetic field generated due to magnetic moments of the magnetic material portion. The excitation portion is configured to include a conductive material formed into an elongated shape, the magnetic material portion is a soft magnetic film formed on a surface of the conductive material, and the magnetic moments of the magnetic material portion are oriented along circumferential directions of the conductive material orthogonal to a longitudinal direction of the conductive material such that the magnetic moments directed to one of the circumferential directions and the magnetic moments direction in another circumferential direction opposite to the one circumferential direction are distributed in substantially equal amounts.

A sensor die may include a set of sensing elements and a test structure associated with determining a magnetic sensitivity of the set of sensing elements. The test structure includes a first test sensing element sensitive in a direction in a plane defined by a surface of the sensor die, a second test sensing element sensitive in the direction in the plane defined by the surface of the sensor die, and a wire on chip (WoC) associated with applying a magnetic field to the first test sensing element and the second test sensing element. The first test sensing element, the second test sensing element, and the WoC may be arranged such that, when current flows through the WoC, the first test sensing element senses a component of the magnetic field in the direction, and the second test sensing element senses a component of the magnetic field in a perpendicular direction.

A magnetic sensor comprising: an application specific integrated circuit (ASIC); an insulating protective film formed on a surface of the ASIC; a substrate film formed on the insulating protective film; and a magnetic field detection element formed on the substrate film, the magnetic field detection element including two magnetic wires on the substrate film, a detection coil surrounding the two magnetic wires, two electrodes coupled to the two magnetic wires for wire energization, and two electrodes coupled to the coil for coil voltage detection.