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7615989 |
Method and apparatus for DC integrated current sensor
Integrated current sensors are used in DC electric power systems. An integrated current sensor ( 200 B) according to one embodiment comprises: a DC inductor ( 111 B) including a resistive component...
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7612553 |
Current sensor having sandwiched magnetic permeability layer
A current sensor includes a support structure ( 12 ), a magnetic field sensor ( 11 ) positioned on the support structure, a primary conductor comprising sandwich ( 13 ) including an electrically...
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7605580 |
Integrated hybrid current sensor
A sensor arrangement for measuring current is disclosed. The sensor arrangement includes a substrate, at least one Hall element integrated in or arranged on the substrate, a first coil that is...
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7589612 |
Current sensor
A current sensor that is compact can detect with high sensitivity and high accuracy a magnetic field generated by a current. The current sensor has a thin film coil including turn portions...
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7589517 |
Adaptive slope compensation for switching regulators
A system, method, and apparatus are arranged to provide adaptive slope compensation in a switching regulator that includes an inductor. A control loop of the switching regulator is responsive to a...
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7583073 |
Core-less current sensor
Core-less current sensor comprises two parallel conductors carrying equal currents in the same direction. The magnetic field in mid location of the two parallel conductors carrying equal currents...
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7583072 |
Current sensor for measuring current flowing through bus bar
A current sensor for detecting current flowing through a conductive bus bar. A fitting groove is formed in the bus bar. A package is fitted into the fitting groove including a magnetic detection...
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7579824 |
High-precision Rogowski current transformer
A high-precision Rogowski current transformer, the Rogowski coil is realized in a single printed circuit board while maintaining both the outside field rejection of a traditional Rogowski coil, and...
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7573274 |
Current sensor
A current sensor includes a busbar, a case, a connector, and a bare chip having a current detection circuit. The busbar has a crimp terminal at one end, a ring terminal at the other end, and a...
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7567074 |
Measuring device for measuring differential current, trip module comprising one such measuring device and switchgear unit having one such module
A device for measuring differential current designed to measure differential current in at least two current lines, comprising a first magnetic circuit designed to surround the current lines,...
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7564239 |
Magnetic field detector and a current monitoring device including such a detector
A magnetic field detector is provided that makes use of Magneto-Impedance in order to switch an oscillator between operating states as a function of magnetic field strengths.
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7564233 |
Shielded Rogowski coil assembly and methods
Shielded Rogowski coil systems having separate interface cables and methods for eliminating and monitoring noise in signal transmissions over the cables. An embodiment of a Rogowksi coil system...
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7557562 |
Inverted magnetic isolator
A current determiner comprising a first input conductor and a first current sensor, formed of a plurality of magnetoresistive, anisotropic, ferromagnetic thin-film layers at least two of which are...
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7550960 |
Method and apparatus for measuring voltage in a power switching device
A method and apparatus for determining a voltage potential in a power switching device. The method and apparatus uses a conductive shield surrounding a coil positioned around a connector in a power...
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7545136 |
Device for measuring current
A device for measuring current comprises a magnetic field sensor for measuring the magnetic field produced by a current I flowing through a current conductor and a yoke of a magnetic material with...
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7541799 |
Method and device for measuring a current flowing in an electrical conductor
A device for measuring a current flowing in an electrical conductor having a sensor disposed in the region of the electrical conductor for measuring the magnetic field surrounding the electrical...
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7538540 |
Bus bar current detecting apparatus
A current detecting portion A includes a magnetic shield attached to a bus bar BU, a magnetic shield attached to a bus bar BV, and a magnetic shield attached to a bus bar BW. On bus bars BV, BU and...
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7532000 |
Method and system for measurement of current flows in fastener arrays
A method and apparatus for simultaneously measuring current flows through fasteners in a multi-structure composite joint is provided. The method comprising inserting a printed circuit board between...
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7528594 |
Device for the reading of direct and/or alternating currents
The present invention is related to a device ( 1 ) for the detection of direct and/or alternating current to be used in the realization of highly sensitive amperometric measuring instruments or for...
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7528593 |
Current measuring device
A current measuring device for detecting current flowing in a current path includes a magnetic sensor for detecting a magnetic field and a magnetic sensor for detecting earth magnetism, the...
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7528592 |
Magnetoresistive sensor for current sensing
A system for sensing current in one or more first electrical conductors includes a frame and a retainer configured to receive the one or more first electrical conductors and constrain relative...
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7525300 |
Current measuring device and method
A current measuring device measures the current flowing through each conductor which connects a power supply with a motor. Coreless current sensors are arranged between pairs of the conductors....
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7518354 |
Multi-substrate integrated sensor
An electronic circuit includes a first substrate having a first substrate surface and a device supported by the first substrate surface. The device is selected from among a passive electronic...
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7511471 |
Magnetic bridge electric power sensor
A magnetic bridge power sensor including a magnetic bridge having plural magnetic circuits, an excitation coil to generate a magnetic flux in one of the magnetic circuits, and a magnetic flux...
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7508188 |
On-chip current sensing methods and systems
A switch regulator module includes a switch and a current sensing module. The switch has an input port and an output port. The current sensing module senses a first voltage at the input port of the...
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7504820 |
Current sensor with alternating magnetic excitation
A current measurement device includes a current sensor including a magnetic circuit, a plurality of windings including at least one excitation winding charged with the excitation of the magnetic...
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7501808 |
Current sensing device
A magnetic core is shaped in a ring having a gap and disposed to surround a conductive wire. When an electric current flows in the conductive wire, a magnetic field is generated in the gap. A...
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7495430 |
MEMS based current sensor using magnetic-to-mechanical conversion and reference components
A micro-electromechanical system (MEMS) current sensor is described as including a first conductor, a magnetic field shaping component for shaping a magnetic field produced by a current in the...
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7477058 |
Current sensor for measuring an electrical current in a circuit having a plurality of electrical conductors
The invention relates to a current sensor for monitoring electrical disturbances on an electrical circuit having an electrical conductor. The current sensor comprises a magnetic flux sensor for...
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7463016 |
Current sensor
A current sensor includes a conductor line, and a magnetic sensor in which resistance value changes according to a current magnetic field produced by a current to be detected flowing through the...
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7459900 |
Modular current sensor for modularized servo control system
A modular current sensing system for a servo control system that includes a magnetic core with an open center portion and a connection plate that includes at least three wire connectors, wherein...
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7453257 |
System and method for precision current source
Systems and methods of the present disclosure, in accordance with one or more embodiments, include a current source adapted to provides volts*sec at a fixed frequency, a magnetic core adapted to be...
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7453256 |
Micro-electromechanical system (MEMS) based current and magnetic field sensor
A micro-electromechanical system (MEMS) current and magnetic field sensor for sensing a magnetic field produced by a conductor includes a magneto-MEMS component for sensing the magnetic field and...
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7439726 |
Electrical measuring instrument having detachable current clamp probe
A current clamp meter having a current meter body and a detachable current clamp. The current meter body and the current clamp are configured so that the current clamp is detachable from the...
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7432699 |
Transformer with protection against direct current magnetization caused by zero sequence current
The present invention relates to a transformer being protected against direct current induced by geomagnetic flux changes, so called zero sequence current, whereby it comprises at least one...
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7427856 |
Current sensing apparatus
Disclosed is a current sensing apparatus which includes a first current transformer that, when energized, has a first input current and a first output current, the first output current being less...
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7427855 |
Circuit for measuring inrush current
A circuit for testing an inrush current of a power supply includes a rectifier ( 10 ), a capacitor ( 30 ), and an ammeter ( 90 ). The rectifier includes input terminals ( 1 ) adapted to connect...
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7414389 |
Low-power battery pack with hall-effect sensor
Some embodiments of a method and apparatus to facilitate battery management using a hall-effect sensor. The apparatus includes a hall-effect sensor and a battery management unit. The hall-effect...
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7400131 |
Current Sensor
A current sensor comprises a magnetic module, whereby a primary conductor, a compensating winding and a magnetic field probe are magnetically coupled to each other. The primary conductor carries a...
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7388372 |
Electrical system with magnetoresistive sensors
An electrical system includes a first monolithic circuit. The first monolithic circuit may include a first magnetoresistive sensor operable to sense magnetic flux and produce an output signal...
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7388363 |
Detector circuit to be used for measuring current
A detector circuit is to be used for measuring current by means of substantially identically wound ring core transformers, in which magnetomotive forces are induced by a main current. The...
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7378837 |
Method and system for calibrating a micro-electromechanical system (MEMS) based sensor using tunneling current sensing
A system and method for controlling a tunneling current between a first element and a second element of a micro-electro-mechanical system (MEMS) sensor. The system includes a tunneling current...
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7372354 |
Detector circuit to be used for measuring current
A detector circuit to be used for measuring current and including a main current transformer and two substantially identical auxiliary current transformers, where magnetomotive forces are induced...
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7362086 |
Integrated current sensor
A current sensor includes coupled inductors that generate an output current responsive to a detected current. The coupled inductor is implemented in an integrated circuit. An integrator circuit...
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7358716 |
Measuring method and measuring arrangement for measuring currents with a large dynamic range
A measuring method for measuring currents with a large dynamic range by means of a magnetic measuring module has the steps of switching into a high-current mode when a current threshold value is...
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7355381 |
Current sensor with reduced sensitivity to parasitic magnetic fields
A current sensor includes: several magnetic-field-sensitive components which are disposed on a support such as to be distributed around a conductor through which a current to be measured flows, and...
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7352164 |
Device for measuring an electric current
The present invention relates to a device 1 for measuring an electric current and is particularly well adapted to electricity counters. This device 1 comprises a primary conductor 2 having a...
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7336064 |
Apparatus for current measurement
The apparatus for measurement of a current which is flowing in an axially elongated electrical conductor at a first electrical potential. The apparatus contains at least one associated sensor...
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7332903 |
Device and method for measuring a current flowing in an electrical conductor
A device is provided for measuring a current flowing in an electrical conductor with a magnetic circuit for coupling to the electrical conductor. The magnetic circuit has an air gap, and a magnetic...
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7327133 |
Current measuring device using hall sensors
The present invention provides a current measuring device including a probe body having an elongated portion extending outward to a hook-shaped end wherein the hook-shaped end useful for isolating...
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