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9094015 Low-power activation circuit with magnetic motion sensor  
One embodiment of the present invention relates to a method and apparatus to perform a low power activation of a system by measuring the slope of a digital signal corresponding to a motion sensor...
9041387 360-degree angle sensor  
This disclosure is directed to techniques for magnetic field angular position sensing. A device designed in accordance with this disclosure may include a magnetoresistive sensor configured to...
9035645 Position detecting device  
A first and a second magnet are provided on a movable member so as to oppose to each other across a virtual plane. Each magnet is magnetized in a direction perpendicular to the movable member, so...
9035646 Portable terminal device and position detection method used therein  
A portable terminal device is disclosed that includes a movable part having a display part; an arm part supporting the movable part so that the movable part is rotatable at least ±90° with...
9018942 Position measurement using a variable flux collector  
A magnetically-based position sensor. The sensor includes a magnet assembly that moves along a path, a common collector, one or more magnetic sensing elements, a first variable collector, and a...
9018944 Hall-effect sensor arrangement  
A sensor arrangement is operative to sense a relative kinematic state of a magnet (110) and a Hall-effect sensor (202) with respect to each other. The Hall-effect sensor has a Hall plate (204) and...
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...
9018945 Relative angle sensing device having a soft magnetic body with integral bracket  
A relative angle sensing device that senses a relative angle between two rotary shafts is provided with: a hard magnetic body that is provided to one rotary shaft out of the two rotary shafts; a...
9007057 High resolution absolute encoder  
The device to measure the absolute rotation angle of a rotating shaft includes a rotating disc, fixed to the shaft. A group of permanent magnets of different sizes and polarities is disposed on a...
9007060 Electronic device with ring-connected hall effect regions  
An electronic device includes a number of n Hall effect regions with n>1, wherein the n Hall effect regions are isolated from each other. The electronic device also includes at least eight...
9007054 Angle sensor with misalignment detection and correction  
An angle sensor to provide sensor-to-magnet misalignment detection and correction capability in rotation angle measurement applications is presented. The angle sensor has magnetic field sensing...
9000762 Circuit assembly and method for programming a hall sensor having an upstream controller  
A circuit assembly having a controller in which the Hall sensor or a programmable circuit component integrated therein is programmed by clocking or modulating a Hall sensor power supply voltage. A...
8985354 Movement system configured for moving a payload in a plurality of directions  
A movement system includes a bridge crane, a trolley, and a movement device. The movement device includes an attachment portion, a plurality of housings, first and second curved elements, a cable,...
8981768 Device for measuring bending angle of constant velocity joint of drive shaft  
Provided is a device for measuring a bending angle of a constant velocity joint of a drive shaft, the device including an outer race provided at a drive shaft and having an opening part formed at...
8978698 Blowout preventer monitoring system and method of using same  
A blowout preventer for sealing a tubular of a wellbore is provided. The blowout preventer has a housing having a bore therethrough for receiving the tubular, at least one ram slidably...
8970207 Device for measuring drill bit displacement  
A measuring device 1 configured to receive a drill bit 3, and determine the relative displacement of the drill bit 3, is disclosed. The measuring device 1 is configured to be deployed proximate to...
8970205 Adjustable hall effect sensor system  
A adjustable Hall effect sensor system having a sensor positioning component is described. In one embodiment, the Hall effect sensor system is an independently adjustable sensor system, having a...
8970210 Bidirectional magnetic position sensor having field rotation  
The disclosure relates to a magnetic position sensor in at least two directions, the sensor including at least one magnetized element and a probe including at least two magneto-sensitive elements...
8963539 Electronic circuit, integrated circuit, and magnetic field detection device and electronic device including the same  
An electronic circuit for detecting magnetism includes: a detection unit in which at least three detection blocks including at least one magnetic field detection element are arranged, wherein by...
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...
8963535 Switch controlled current sensing using a hall effect sensor  
An electronic system includes a Hall sensor to sense a controlled current. The Hall sensor is positioned proximate to a signal path and develops a voltage that includes a component corresponding...
8963543 Angle sensor for sensing angular position of a rotatable shaft  
An angle sensor for sensing angular position of a rotatable shaft includes a drive gear, a measuring gear, and a sensor housing. The drive gear is connected to the shaft. The measuring gear is...
8963545 Magnetic sensor  
The present invention relates to a magnetic sensor that provides the sensitivity adjustment on a wafer and that has a superior mass productiveness and a small characteristic variation. The...
8963541 Position sensor using a moveable ferromagnetic element  
The invention relates to a contactless magnetic sensor for detecting a linear or angular position, comprising a moveable ferromagnetic element (1) the position of which is detected, and a stator...
8957674 Pump with rotor position measurement system  
A pump comprising an electrical motor drive (2) and a pump engine (3), the pump engine having a stator portion (32) and an axially and rotatably movable rotor portion (30) mounted in the stator...
8957671 Displacement detection device, vehicle steering system, and motor  
A motor rotation angle sensor includes a plurality of Hall elements and a plurality of switches, each a which is able to interrupt supply of power for operating a corresponding one of these Hall...
8957678 Sensor unit and magnetic flux concentrating module  
A sensor unit includes a printed circuit board, a Hall IC, a terminal member, and a capacitor. The printed circuit board has a conductive pattern. The Hall IC is disposed on the printed circuit...
8957669 Magnet and holder assembly having improved rotational and axial stability  
A magnet held in a magnet holder is constrained against radial or axial instability, or against both, by a shape on either component in contact with complementary shape on the other component, the...
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...
8952684 Magnetic force sensor sensing magnetic flux to calculate forces  
There is provided a magnetic force sensor including: an action unit elastically supported by a supporting member; a magnetic-flux generating source including two or more magnets which are disposed...
8941375 Contactless detection apparatus and method for detecting a rotation direction  
A contactless detection apparatus has a first magnet ring, a second magnet ring, a first magnetic sensor, a second magnetic sensor and a controller. The two magnet rings are respectively mounted...
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...
8937473 Angular position sensor and assembly comprising a rotary system and such a sensor  
Sensor for continuously measuring the angular position of a shaft rotatably mounted relative to a housing. The sensor includes a stator, a rotor attachable to the shaft, and permanent magnets...
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...
8933691 Rotary position sensor  
A rotary position sensor for determining the rotary position of a rotary component may include a sensor and a magnet. The sensor may be responsive to a characteristic of a magnetic field that...
8922201 Position detecting device for detecting the operation position of an operating portion of a vehicle  
A position detecting device affixed to a handle bar, wherein the positional displacement between a section to be detected and a detecting section is minimized to reduce the degradation of the...
8919375 Valve with position sensor  
Valve comprising a shutter (2) rotating as one (A) with a shaft (3) and a sensor sensing the rotational position of the shaft (3), which comprises a target holder (4a) push-fitted onto the shaft...
8922200 Method and device for determining a current angular position of a rotatable magnetic component in an electric drive  
The invention relates to a method for determining the actual angle position of a rotatable magnetic component in an electric drive (10) having an odd number of pole pairs. An actual angle...
8917087 Moving magnetic field generating apparatus  
A moving magnetic field generating apparatus includes a magnet array including magnets disposed at a first pitch such that N and S poles of adjacent magnets in the magnet array are alternated, and...
8917086 Position sensor for linear synchronous motors employing halbach arrays  
A position sensor suitable for use in linear synchronous motor (LSM) drive systems employing Halbach arrays to create their magnetic fields is described. The system has several advantages over...
8917088 Method and device for diagnosis of sensor faults for determination of angular position of polyphase rotary electrical machine  
Disclosed is a method and device for diagnosis of functioning faults caused by the angular position measurement sensors of the rotor of a polyphase rotary electrical machine comprising a stator,...
8912791 Magnetic sensor for determining the position and orientation of a target  
The invention relates to a magnetic sensor for determining the position of a part (2) movable firstly in rotation over a limited angular stroke by virtue of a rotary movement (R), and secondly in...
8912792 Systems and methods for rotor angle measurement in an electrical generator  
Disclosed herein are systems and methods for rotor angle measurement in an electrical generator. According to one embodiment, an intelligent electronic device may comprise control logic configured...
8907663 Height sensor module for a vehicle with sealing structure  
A height sensor module is disclosed, the module including a sensor housing formed at an upper side with an opening; a shaft rotatably formed at the sensor housing; a magnet arranged at an upper...
8896294 Magnetic position detector  
Magnetic members are arranged along a straight line and can be placed face-to-face with spin-valve magnetoresistive elements. The magnetic pole faces of the magnetic members which can be...
8896299 Position detector device capable of reducing the effect of external magnetic fields on precision in detection  
Provided is a position detector device capable of suppressing the effect of external magnetic fields on precision in detection. A position detector device (1) comprises: a subject to be detected...
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...
8890518 Arrangements for self-testing a circular vertical hall (CVH) sensing element and/or for self-testing a magnetic field sensor that uses a circular vertical hall (CVH) sensing element  
A switching arrangement around a circular vertical Hall (CVH) sensing element can provide a normal mode configuration responsive to magnetic fields at some times, and at least one of a first and a...
8884612 Configurable non-contact position sensor  
Embodiments herein relate to the general art of motor vehicles, and to the particular field motor vehicle components, especially sensors for electronic throttle controls. Particular embodiments...
8884616 XMR angle sensors  
Embodiments relate to xMR sensors, in particular AMR and/or TMR angle sensors with an angle range of 360 degrees. In embodiments, AMR angle sensors with a range of 360 degrees combine...