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9030194 Position encoder apparatus  
A scanning device for a position encoder is provided that comprises a plurality of sensor elements for generating a plurality of sensor signals. A summation unit is also provided for generating at...
9024625 Rotation angle detector  
A rotation angle detector includes: a magnet attached to a rotating shaft and magnetized in a certain direction orthogonal to an axis of the rotating shaft; and a non-rotary magneto-electric...
9018948 Hall sensors and sensing methods  
Embodiments relate to multi-contact sensor devices and operating methods thereof that can reduce or eliminate offset error. In embodiments, sensor devices can comprise three or more contacts, and...
9007056 Monitoring device and monitoring method for rotary encoder  
Disclosed is a monitoring device for a rotary encoder electronically connectable to the monitoring device. A pulse generating unit generates a comparison pulse signal by extracting a portion...
8963540 Hall-effect-based angular orientation sensor and corresponding methods and devices  
A sensor for sensing an angular orientation of a magnetic field of a magnet includes: N≧2 Hall effect devices (HD1, HD2, . . . ), each having a detection direction and including a first and a...
8957675 Rotation angle detection device  
Upon detecting a peak value from output signals of one of either a first or a second magnetic sensor, an rotation angle computation device identifies, on basis of an amplitude compensation table...
8957670 Stroke amount detection device  
A stroke amount detection device includes a yoke, a magnetic flux generation section, and a magnetism detection section. The yoke has a protruding section that protrudes to outside the yoke. The...
8941374 Rotation detection device and manufacturing method for the same  
A rotation detector component detects a rotational state of a rotor and sends a rotational detection signal. A signal transmission component is electrically connected with a lead frame of the...
8933690 Angle detection apparatus  
According to an embodiment of the invention, an angle detection apparatus detects the angle of a rotation axis of a rotating device to generate a first signal and a second signal perpendicular to...
8928310 Magnetoelectronic angle sensor, in particular a reluctance resolver  
The present invention relates to a reluctance resolver (100) with an at least partially soft magnetic stator (104) and an at least partially soft magnetic rotor (102) which oppose each other by...
8907680 Voltage detector, malfunction detecting device, contactless power transmitting device, contactless power receiving device, and vehicle  
A voltage detector for detecting a voltage generated in a second resonant coil that is disposed to face a first resonant coil and that performs at least one of electric power transmission and...
8896297 Rotating angle detecting sensor  
An angle detection error is prevented by using a columnar permanent magnet that is radially double-pole-magnetized as a rotating angle detecting sensor while preventing a gap between a plurality...
8896295 Magnetic field sensor having multiple sensing elements and a programmable misalignment adjustment device for misalignment detection and correction in current sensing and other applications  
A sensor with multiple magnetic field sensing elements for use in current sensing and other applications is presented. The sensor includes an arrangement of two or more magnetic field sensing...
8878522 Magnetic linear position sensor  
A magnetic linear position sensor includes an array of N number of magnets. The array of magnets is distributed along a line to form a magnetic field relay along the line. The sizes and positions...
8878529 Sensor module and method for monitoring the function thereof  
A method for monitoring the function of a sensor module including sensor which generates a measurement signal for a physical quantity to be determined and applies the measurement signal to an...
8878524 Method for determining a distance and an integrated magnetic field measuring device  
An integrated magnetic field measuring device is provided that includes a semiconductor body arranged on a metal substrate and having a first surface, and a plurality of metal surfaces formed on...
8854034 Position detector and position detection method  
A position detector having a plurality of sensor units is used. Each of the sensor units is configured to determine positions. The sensor units are selectively used for outputting positions of a...
8847582 Method of robust position measurement  
A method of improving linear position sensing of clutch actuators with magnetic field sensors utilizes a dedicated magnetic field sensor solely to detect the ambient magnetic field. Typical three...
8847780 Proximity detection system and method and collision avoidance system and method using proximity detection  
The invention relates to a proximity detection system. The invention provides a proximity detection system comprising a generator that generates a magnetic field that establishes a boundary, where...
8797023 Coercive force specifying apparatus  
Provided is a coercive-force specifying apparatus capable of creating a demagnetization curve for each divisional area of a coercive-force distributed magnet without breaking the coercive-force...
8786275 Transmission gear position sensor using printed circuit element  
A gear position sensor employs a sliding electrical connection between arcuate conductors and flexible wiper arms held on opposite surfaces that rotate relative to each other with the movement of...
8786277 Environmental noise reduction for magnetometry  
A magnetic signal noise reduction and detection system has inputs configured to receive data from a first total field scalar magnetometer, data from a vector magnetometer, and data from a...
8736260 Magnetic field sensor and associated method that can establish a measured threshold value and that can store the measured threshold value in a memory device  
A magnetic field sensor includes a true power on state (TPOS) detector for which a measured threshold value is stored prior to power down and recalled upon power up. A corresponding method is...
8680847 Semiconductor chip and method for generating pulse edges, assigned synchronously to the movement of a mechanical part  
In a method for generating pulse edges, assigned synchronously to the movement of a mechanical part, a magnetic field is generated. At least two measuring signals phase-shifted to one another for...
8680848 Motion sensor, method, and computer-readable storage medium providing a motion sensor that adjusts gains of two circuit channels to bring the gains close to each other  
A motion sensor includes an amplitude difference processor coupled to receive a first signal representative of a first one of a plurality of AGC control signals and a second signal representative...
8664941 Magnetic sensor with low electric offset  
A magnetic sensing system, including: a magnetic component proximate a movable mechanical component; and a magnetic sensor configured to determine a movement of the mechanical component based on a...
8633685 System and method for measuring alignment errors of shafts  
The invention concerns a system for measuring the alignment error of two axles provided with a first and a second coupling part by means of a biaxial orthogonal magnetic sensor system comprising a...
8618794 Detecting inductive objects using inputs of integrated circuit device  
A system for detecting inductive objects includes an inductive sensor circuit for detecting changes in an electromagnetic field (“EMF”) environment and an integrated circuit (“IC”) device. The...
8611986 System and method for electromagnetic navigation in the vicinity of a metal object  
A system and method for performing object localization based on the emission of electromagnetic fields. The electromagnetic fields are simultaneously emitted from different transmitters. One...
8604780 Rotating field sensor  
A field generation unit generates a rotating magnetic field including a first partial magnetic field in a first position and a second partial magnetic field in a second position. The first and...
8570028 Transducer for a position sensor  
A transducer has a magnetic field concentrating member a first coil to couple with a first portion of the magnetic field concentrating member positioned adjacent the first coil and a second coil...
8564283 Rotation-angle-detecting apparatus, rotating machine and rotation-angle-detecting method  
An apparatus for detecting a rotation angle using a magnet rotor comprising a magnet having 2N poles, wherein N is a natural number, and a sensor device for detecting the direction of a magnetic...
8547086 Coercivity performance determination device for coercivity distribution magnet  
There is provided a coercivity performance determination device for a coercivity distribution magnet that is capable of determining, in a short period of time, with precision, and at as low a...
8542011 Apparatus and method for reducing a transient signal in a magnetic field sensor  
A magnetic field sensor includes a compensation loop coupled in series with normal circuit couplings in order to reduce a transient signal that would otherwise be generated when the magnetic field...
8536859 Distortion-immune position tracking using redundant measurements  
A method for tracking a position of an object includes using a field sensor associated with the object to measure field strengths of magnetic fields generated by two or more field generators,...
8531182 Control system and method for providing position measurement with redundancy for safety checking  
A control system for use in safety critical human/machine control interfaces is described, more particularly a joystick type control system and particularly a joystick type control system...
8519700 Magnetic angular position sensor including an isotropic magnet  
An angular position sensor includes a moving element consisting of at least one essentially cylindrical permanent magnet turning about it axis, at least two magnetosensitive elements and at least...
8512836 Packaging material comprising magnetisable portions  
A packaging material comprising a plurality of magnetizable portions thereon comprising at least one spot per package to be formed from the packaging material is disclosed. At least one of the...
8478560 Three wire transformer position sensor, signal processing circuitry, and temperature compensation circuitry therefor  
A three-wire transformer position sensor is provided that includes an excitation coil and an output coil. The excitation coil is adapted to be electrically excited with an excitation signal, and...
8476896 Method and sensor arrangement for determining the position and/or change of position of a measured object relative to a sensor  
A method for determining the position and/or change of position of a measured object relative to a sensor, where the sensor preferably has a sensor coil to which an alternating current is applied,...
8451002 Apparatus and method for reducing a transient signal in a magnetic field sensor  
A magnetic field sensor includes a compensation loop coupled in series with normal circuit couplings in order to reduce a transient signal that would otherwise be generated when the magnetic field...
8446147 Position detecting device having opposite-phase magnetic-field generating coil, medical device guiding system, position detecting method, and medical device guiding method  
Provided is a position detecting device including a first magnetic-field generating unit including at least one magnetic-field generating coil and that generates a first magnetic field in a...
8395377 Vibration and condition monitoring system and the parts thereof  
A vibration and condition monitoring system, with true digital signal processing based design, with very limited analog based general signal conditioning and integrated specific sensor...
8390273 Slew rate compensated wheel speed sensor signal processing method and system  
Anti-lock and intelligent braking systems have become ubiquitous in modern vehicles, which employ wheel speed sensors or WSSs. These WSSs generally uses current-domain signals (transmitted through...
8384375 Noncontact position sensor  
A non-contact position sensor includes a magnet, magnetoresistive elements arranged on a line extending in a predetermined direction on a pole surface of the magnet with predetermined intervals,...
8368389 Sensor unit  
In a sensor of a sensor unit in which working voltage or calibration voltage is supplied through a single input end, working voltage can be stably supplied to the sensor after initial calibration....
8339078 Apparatus and method for providing information relating to a motor  
This invention relates to an apparatus and method for deriving speed and position information for an electric motor. Apparatus for and a method of controlling a motor 100 are also disclosed. The...
8324892 Absolute encoder and method for generating an absolute value for a angle of rotation  
An electric motor (10) has: a stator (12) and a rotor (14) having a shaft (87). The rotor (14) has a sensor magnet (82) having a number SP of sensor poles (71, 72, 73, 74) for generating a...
8311760 Method for determining, section after section, a parameter-dependent correction value approximation course and sensor arrangement  
An embodiment of a method for a determination, section after section, of a parameter-dependent correction value approximation course includes determining a first measurement signal value with a...
8299783 Circuits and methods for calibration of a motion detector  
A circuit to detect a movement of an object has a calibration time period that ends when peak detectors in the circuit stop updating for a predetermined amount of time. A method associated with...