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8947083 Current detecting apparatus  
In a current detecting apparatus, a container member which constitutes a insulating housing includes an element supporting portion, a connector supporting portion, and a substrate fixing portion....
8907667 Generator of a homogenous magnetic field  
A generator having at least four coils wound around each of the winding axes, these four coils being spaced out from one another to cancel at least the first derivative up to the seventh...
8896305 Permanent or variable alternating magnetic field circulation sensor, and current sensor implementing such a sensor  
A permanent or variable magnetic field circulation sensor including apparatus for magnetic excitation further including at least one elongated excitation coil extending around an elongated supple...
8896306 Method and apparatus for detecting a magnetic characteristic variable in a core  
A technique is provided for detecting a magnetic characteristic variable in particular the magnetic field strength in a section of a core permeated by a magnetic flux. A portion of the magnetic...
8878530 Measurement method and magnetic sensor for the contactless detection of movements  
A measuring method of contactless magnetic detection of relative movement along a trajectory between a main creation system and a measuring system sensitive to the direction of the magnetic field,...
8841907 Current detecting apparatus  
The size of a current detecting apparatus is reduced by employing a small magnetic core, and problems caused by excessive heat generation and vibrations of a bass bar are prevented. In a current...
8810235 Current sensor and method for manufacturing sensor module for use in current sensor  
A current sensor for outputting a detection signal corresponding to a current flowing through a bus bar. The current sensor includes a magnetic core that concentrates and amplifies magnetic flux...
8803520 Magnetic core with superparamagnetic particles for current and magnetic field sensors  
A magnetic core for a magnetic field sensor is made from a material having a solid matrix in which are dispersed superparamagnetic particles, the solid matrix being chosen so as not to perturb the...
8773112 Current sensor  
To produce an insulated current sensor for slaving power devices in the field of avionics, use is made of a magnetic core through which there passes an element traversed by a current to be...
8754643 Coil design for miniaturized fluxgate sensors  
A system for detecting a magnetic flux includes: a magnetic-flux-generating coil having a first and second excitation-track elements extending essentially parallel to a reference plane; a...
8686722 Semiconductor fluxgate magnetometer  
A fluxgate magnetometer is formed in a semiconductor wafer fabrication sequence, which significantly reduces the size and cost of the fluxgate magnetometer. The semiconductor wafer fabrication...
8669763 Multi-axis fluxgate magnetic sensor  
A ring-shaped first ring-shaped magnetic core, a first excitation coil wound on the first ring-shaped magnetic core, two detection coils wound on the first ring-shaped magnetic core in such a...
8638092 Current sensor  
This disclosure is directed to current sensing techniques for use within a magnetic current sensor. According to one aspect of the disclosure, a current sensing device includes a magnetic core,...
8633688 Integrated magnetic sensor for detecting horizontal magnetic fields and manufacturing process thereof  
The integrated magnetic sensor for detecting an external magnetic field, is formed by a body of semiconductor material having a surface; an insulating layer covering the body of semiconductor...
8618796 Electrical current sensor  
Closed-loop current sensor comprising a magnetic circuit, a magnetic field sensor, and a compensation circuit configured to generate a magnetic field opposing a magnetic field created by an...
8456159 Stabilization system for sensors on moving platforms  
A stabilized field sensor apparatus collects field data, in particular magnetic field data, with reduced motion noise. The apparatus includes a tear drop shaped housing, a tow frame in the...
8350565 Ultra-sensitive magnetoimpedance sensor  
Provided is a magnetoimpedance (MI) sensor having a high magnetic sensor sensitivity and a wide measurement range. The MI sensor comprises an MI element, an electric current supply unit and a...
8339133 Thin film fluxgate sensor  
A fluxgate magnetic field sensor including an excitation current conductor (4) and a layer of saturable magnetic material cladding (6) having a plurality of feed-through channels (16) extending...
8237438 Very low noise magnetometer  
Disclosed herein is a very low noise fundamental mode orthogonal fluxgate magnetometer. Also disclosed is a method of measuring a magnetic field, and an integrated magnetotelluric station that can...
8098067 Magnetic sensor element and magnetic sensor using the same  
The present invention provides a fluxgate magnetic sensor element which includes: a substrate; an exciting pattern which is disposed on the substrate to generate a magnetic field; a magnetic thin...
8076930 Thin film 3 axis fluxgate and the implementation method thereof  
There is provided a thin film tri-gate fluxgate for detecting a component of a magnetic field in directions of three axes, the thin film tri-gate fluxgate comprising: two first thin film fluxgates...
8076932 Device and method for measuring the position of a mobile part  
A device for measuring the position of a mobile part (4), includes: at least one magnetic node (10) capable of modulating the amplitude of an excitation magnetic field according to the amplitude...
8076931 Current and magnetic field sensors, control method and magnetic core for said sensors  
The invention relates to a magnetic field sensor comprising at least one magnetic core (10) in which the magnetic cycle of the magnetic core is characterised in that the absolute value of the...
7977939 Non-contact engine parameter sensor  
A system and method for non-contact engine parameter sensing. A magnetized engine component establishes a magnetic field that varies in response to stress imparted within the engine. A magnetic...
7930133 Magnetic-sensor controller, magnetism measurement apparatus, offset setting method, and computer-readable medium on which offset setting program is recorded  
A magnetic-sensor controller includes an input section, a perpendicular-bisector calculation section, a storage section, and a setting section. The input section successively inputs a plurality of...
7898250 Coupled fluxgate magnetometers for DC and time-varying target magnetic field detection  
An apparatus for sensing and processing a magnetic flux signal comprising: an odd number of at least three fluxgate modules, a summer, and a processor. Each fluxgate module is configured to...
7859259 Magnetic filed compensation system with increased bandwidth  
The invention relates to a device for compensating for magnetic fields which has two sensors which are active in different frequency ranges and thus allows regulation with a bandwidth from 0 to 20...
7847543 Precision flexible current sensor  
A flexible current sensor including a sensing cable with a sensing coil wound on a cylindrical flexible core and electrical shielding located over said sensing coil and an outer isolation coat....
7834620 Orthogonal fluxgate magnetic field sensor  
Orthogonal fluxgate sensor for measuring an external magnetic field Hext, comprising a conductor for carrying an excitation current lexc, a ferromagnetic material adapted to saturate in the...
7755353 Three-axis fluxgate-type magnetism detecting device  
A three-axis fluxgate-type circuit having three fluxgate sensors for outputting three analog voltage values respectively. A controller normalizes three digital voltage values corresponding to said...
7746973 Signal detection circuit  
A signal detection circuit comprising: a differential amplifier to which an output voltage of a detection coil of a magnetic sensor is to be applied; a comparator to output a digital signal being...
7737687 Fluxgate sensor having conbzr magnetic core and fabrication method thereof  
A fluxgate sensor includes a magnetic core including CoNbZr, an excitation coil, and a magnetic field sensing coil. The fluxgate sensor can use CoNbZr. A low coercivity and high magnetic...
7714671 Wideband nonlinear “channelizer” for rapid processing of static and time-varying signals  
A target signal analyzer having at least one receiving antenna configured to receive the target signal, and a parallel array of oscillator rings. Each oscillator ring is operatively coupled to...
7710708 Two-axis geomagnetic sensor and method for manufacturing the same  
A two-axis geomagnetic sensor is disclosed. The two-axis geomagnetic sensor includes a first geomagnetic sensor part including a first wafer and a first geomagnetic sensor on a surface of the...
7656149 Current transformer and electric energy meter  
A current transformer detects a sine-wave alternating current having a maximum effective current value Imax(Arms) and a frequency f(Hz) and a half-sine-wave rectified current having a maximum peak...
7652472 Magnetic sensor signal detection circuit using a counter  
A signal detection circuit of a magnetic sensor includes a differential amplifier to which an output voltage of a detecting coil of the magnetic sensor is applied; a comparator to which the output...
7622918 Solenoid magentometer  
A magnetometer assembly (22) for a torque transducer (10) includes inner and outer coils (34,38,36,40) wrapped and supported on a bobbin assembly (22). The bobbin assembly (22) includes upper and...
7557571 Fluxgate sensor integrated in semiconductor substrate and method for manufacturing the same  
A fluxgate sensor is integrated in a semiconductor substrate. The fluxgate sensor has two bar type soft magnetic cores, or a rectangular-ring type soft magnetic core to form a closed magnetic path...
7535221 Magnetic sensor element and electronic directional measuring device  
A magnetic sensor element of a flux gate type comprising a magnetism sensitive part (8a) formed by winding a coil (3) around a magnetic core layer (8), and magnetism collective part (8b) for...
7528606 Coupled nonlinear sensor system for sensing a time-dependent target signal and method of assembling the system  
A coupled non-linear sensor system is provided for sensing a non-sinusoidal time-dependent target signal. The system comprises an odd number, other than one, of interconnected oscillatory sensors...
7477050 Magnetic sensor having a coil around a permeable magnetic core  
A differential wireless sensing device includes a first resonant device impinged on a substrate having a predetermined natural frequency, the first resonant device having a changeable resonant...
7420366 Coupled nonlinear sensor system  
A sensor system employing a plurality of nonlinear sensors utilizes a coupling network to interconnect the sensors wherein the coupling network inherently induces oscillations in the sensor...
7414399 Micromagnetometer of the fluxgate type with improved excitation coil  
The invention relates to a fluxgate micromagnetometer implemented in thin layers, fitted with at least one excitation coil with an arrangement and a structure that bring improvements particularly...
7407596 Fluxgate sensor integrated in printed circuit board and method for manufacturing the same  
A fluxgate sensor is integrated in a printed circuit board. The fluxgate sensor has two bar-type (or rectangular-ring shaped) soft magnetic cores to form a closed magnetic path on a printed...
7405561 Reduced power sensing apparatus having fluxgate and control method thereof  
A sensing apparatus includes a fluxgate module which outputs an analog signal corresponding to terrestrial magnetism using a fluxgate having a magnetic substance core and a driving coil, and an...
7394249 Printed circuit board with weak magnetic field sensor  
Disclosed is a printed circuit board with a weak magnetic field sensor according to the present invention, which includes a substrate having first excitation circuits and first detection circuits...
7391210 Integrated fluxgate-induction sensor  
An integrated fluxgate-induction sensor is formed of a combined fluxgate sensor and induction sensor using a common core. The sensor may be in serial operation where it switches between a fluxgate...
7391211 Digital fluxgate magnetometer  
A circuit for a fluxgate magnetometer includes a plurality of digital function blocks that are programmed as functions within a microcontroller. The microcontroller includes and implements the...
7382123 Micro fluxgate sensor and method of manufacturing the same  
A micro-machining method of manufacturing a micro fluxgate sensor manufactured having an amorphous magnetic core includes forming lower coils of an excitation coil and a magnetic field detecting...
7378843 Pulsed excitation and sampled detection fluxgate type magnetometer  
A magnetic field measuring device, equipped with a fluxgate magnetometer, the device including a magnetic sensor equipped with at least one magnetic core and a plurality of windings, and...
Matches 1 - 50 out of 345 1 2 3 4 5 6 7 >