| Entries |
| Document | Title | Date |
|---|
| 20080204004 | Coil arrangement for electromagnetic tracking method and system - An electromagnetic tracking coil arrangement, comprising three co-planar electromagnetic sensors and a fourth electromagnetic sensor that is not co-planar with the three co-planar sensors, wherein the three co-planar electromagnetic sensors and the fourth electromagnetic sensor are each located at a vertex of a tetrahedron. | 08-28-2008 |
| 20080258715 | Sensor System for Detecting a Differential Angle - The invention relates to a sensor arrangement for detecting a difference angle, comprising at least one magnet field-sensitive sensor element ( | 10-23-2008 |
| 20080272768 | Angular Position Magnetic Sensor - A magnetic angular-position sensor is mounted between two carrier elements that are movable in rotation relative to each other about an axis of rotation. The sensor has firstly a magnetic body defining a working zone in which there extends a magnetic field having field lines perpendicular to the axis of rotation, and secondly a detector member having at least one probe extending in the working zone of the magnetic member in order to provide a signal as a function of the angular orientation of the probe relative to the field lines in the working zone. The magnetic member has two parallel magnet segments and two elongate pole pieces of ferromagnetic material extending perpendicularly to the magnet segments and covering the ends thereof. | 11-06-2008 |
| 20080290859 | Magnetic Sensor With Compensation - A sensing assembly. The sensing assembly is spaced apart from a magnet that has a magnet length, and includes a compensation module and a string of magnetic sensors that has a string length. The magnetic sensors are grouped into a plurality of magnetic sensor groups. Each of the magnetic sensors generates a respective intermediate signal based on the magnet. The compensation module assigns a plurality of respective gains to the respective magnetic sensor groups based on a difference between the magnet length and the string length, and applies the respective gains to the respective intermediate signals of the respective magnetic sensor groups to generate respective adjusted signals. | 11-27-2008 |
| 20080297145 | Increasing the working gap in a magnetic sensor with an auxiliary field - The invention relates to a sensor system ( | 12-04-2008 |
| 20080315867 | Joint for a Motor Vehicle - A joint for a motor vehicle has a joint housing ( | 12-25-2008 |
| 20090027045 | Apparatus for sensing position and/or torque - An apparatus for measuring relative displacement between a first shaft and a second shaft includes first and second rotor assemblies. The first rotor assembly is coupled to the first shaft and is centered on an axis. The second rotor assembly is coupled to the second shaft. The second rotor assembly has first and second stator plates. Each of the first and second stator plates includes an upper surface and a lower surface. The first and second stator plates include a plurality of teeth extending in a direction radial of the axis. The apparatus further includes at least one magnet having a magnetic field and disposed on the first rotor assembly. The apparatus includes a flux collector arrangement having first and second collectors positioned adjacent the first and second stator plates, respectively, forming a gap. A sensing device disposed within the gap senses a magnetic flux of the magnetic field. | 01-29-2009 |
| 20090039872 | ROTARY ENCODER AND METHOD FOR OPERATION OF A ROTARY ENCODER - A rotary encoder includes two component groups arranged in a manner allowing rotation relative to each other about an axis, the first component group having a triggering sensor and a plurality of magnetic sensors. The second component group includes a first magnet, a second magnet, and a third magnet. The component groups are configured such that, in response to a full revolution, the magnetic field of the first magnet and of the third magnet are detectable by the magnetic sensors. A trigger signal is able to be generated by the triggering sensor due to the second magnet and the third magnet, while the first magnet does not bring about a triggering of a trigger signal by the trigger sensor. | 02-12-2009 |
| 20090066319 | MAGNETIC ENCODER WITH SEPARATION OF SENSOR FROM THE ENVIRONMENT - A magnetic encoder for detecting for example movement of a continuous pipe, wire line, pipe joints, rod, etc. into a well includes a wheel in the contaminated environment of the well with a permanent magnet mounted on the wheel such that the magnet moves past a sensing location each time the wheel rotates to provide a count representative of the rotation of the wheel and thus if the forwarding distance of the tubing. A sensor responsive to presence of a field generated by the presence of the magnet is mounted in a cylinder defining a separate environment for the sensor inside the cylinder with a stainless steel end dividing wall separating the wheel from the sensor with a ferro-magnetic pin extending through the dividing wall such that the presence of the magnet at the sensing location causes actuation of the sensor. | 03-12-2009 |
| 20090066320 | DEADBOLT SENSOR FOR SECURITY SYSTEMS - The current invention provides an improved security system sensor assembly. The sensor assembly of the current invention reduces installation costs when adding a security system. to an existing structure by eliminating the need to install magnets on existing doors. The sensor assembly of the current invention allows the security system to monitor the locked or unlocked status of each monitored door by sensing when a deadbolt lock is in the locked position. Additionally, the sensor assembly will alert the security system when a deadbolt lock is moved from the locked position without authorization. | 03-12-2009 |
| 20090108834 | METHOD AND DEVICE FOR THE NON-CONTACT MEASUREMENT OF A DISPLACEMENT OF COMPONENTS RELATIVE TO ONE ANOTHER - A method and device for non-contact measurement of relative displacement (path difference) between a first component ( | 04-30-2009 |
| 20090121709 | Peptide nanostructures encapsulating A foreign material and method of manufacturing same - A composition comprising a material at least partially enclosed by a tubular, spherical or planar nanostructure composed of a plurality of peptides, wherein each of the plurality of peptides includes no more than 4 amino acids and whereas at least one of the 4 amino acids is an aromatic amino acid. | 05-14-2009 |
| 20090128137 | Method and arrangement for mounting a sensor designed for measuring the distance between stator and rotor - The invention relates to a sensor ( | 05-21-2009 |
| 20090140726 | Measurement Device for Measuring a Magnetic Field - A measuring device to measure a magnetic field having at least one measuring coil and at least one sensor to measure low-frequency magnetic fields, which measuring coil and which sensor have their planes of extension each positioned or positionable transverse to the flux direction of the magnetic field. The measuring coil and the sensor are connected to a signal processing device with which, depending on a first measurement signal provided by the measuring coil and a second measurement signal provided by the sensor, an output signal that essentially corresponds to the magnetic field can be generated. The measuring coil, the sensor, and the signal processing device are monolithically integrated into a semiconductor chip. The measuring coil may also be formed by means of traces of a printed circuit board on which the semiconductor chip that has the sensor and the signal processing device is located. | 06-04-2009 |
| 20090146645 | Position sensor - In order to be able to perform a measurement of the run time of an electrical impulse in a position sensor through a single slow timed timing generator, while still capable to achieve a high precision of the measurement result, the entire run time is determined, so that the number of the completely performed system timings is counted as a coarse time value, and the fractions thereof are counted as a fine time value, in which the electrical impulse is started at a fixed point in time of the system timing, e.g. at the beginning of the timing, and the difference value is measured between the end of the coarse time interval and the arrival of the wave as a fine time interval, which is then digitized and computed with the coarse time value. | 06-11-2009 |
| 20090146646 | Position sensor, evaluation circuit, and electric motor - The invention relates to a position sensor (PS) that is in position to deliver data for evaluating positioning data of an axle (OS) over a specified number of turns, where two transmissions (G | 06-11-2009 |
| 20090153135 | MAGNETOSTRICTIVE DISPLACEMENT TRANSDUCER WITH PHASE SHIFTED BIAS BURST - An assembly includes a magnetostrictive transducer that provides a transducer output. Amplifier circuitry receives the transducer output and generates a transducer output burst and a bias output burst. The transducer output burst and bias output burst overlap in time and differ by a phase difference. A burst processor receives the transducer output burst and the bias output burst. The burst processor provides a displacement output that is a function of a time when the transducer output burst and the bias output burst are at the same voltage level. | 06-18-2009 |
| 20090160433 | Arrangement for Detecting the Movement of a Body and a Method for the Operation of such an Arrangement - An arrangement for detecting a movement of a body, in which the body ( | 06-25-2009 |
| 20090195240 | Pickup coil having adjustable characteristic frequency - A pickup coil includes a sensing unit having an iron core, a permanent magnet magnetically coupled to a rear end position of the iron core, and a coil for sensing a change of magnetic flux occurring in the iron core; and a supporting frame member. The sensing unit is molded with a cup-shaped resin case. The sensing unit is integrally molded with the supporting frame member and is mounted on a mounting object via the supporting frame member. A plurality of weight units for adjusting a characteristic frequency of the coil is stored in a weight storage section formed inside the resin case at a position spaced away from the supporting frame member. The weight storage section is sized such that one or more weight units are accommodated therein. | 08-06-2009 |
| 20100026281 | MAGNETIC SENSOR CIRCUIT AND ELECTRONIC APPARATUS USING SAME - A magnetic sensor circuit of the present invention includes: a Hall device | 02-04-2010 |
| 20100033167 | MAGNETIC POSITION SENSOR - The invention relates to a magnetic position sensor ( | 02-11-2010 |
| 20100033168 | HAND AND PRESS-BUTTON DUAL-WAY MANUAL PULSE GENERATOR WITH BUILT-IN INDICATOR LAMPS - The present invention discloses a hand and press-button dual-way manual pulse generator with built-in indicator lamps, which comprises a rotation pulse input unit and a CPU. The CPU is connected with a forward rotation indicator lamp and an inverse rotation indicator lamp. The rotation signal input unit and/or the press-button signal input unit transmit the output signal to the CPU. The rotation pulse input unit transmits the output signal to the CPU where the output signal is processed and the control signal is then output through the difference chip. Meanwhile, the CPU collects control signals through the feedback circuit to realize self-check when the machine is turned on. The pulse generator has a non-contact structure extending significantly its service life than the prior art, which makes it durable. In addition, by installing a controller, built-in indicator lamps, and press-button control on the manual pulse generator, it offsets the technical defects of the current manual pulse generator, reduces the fault incidence, and greatly enhances work efficiency. Besides, the manual pulse generator has a simple structure that it is easy to manufacture and to widely spread in the field of the machine tool control. | 02-11-2010 |
| 20100045271 | ROTATION ANGLE DETECTOR - To provide a rotation angle detector, which is characterized in that the rotation angle detector is for detecting a rotation angle of a measurable rotation body, by which it becomes able to measure the rotation angle of the measurable rotation body with an accuracy as higher even in a case where there may be happened such as an axial backlash or the like on an axis of rotation in the measurable rotation body, and then such a rotation angle detector | 02-25-2010 |
| 20100045272 | POSITION DETECTOR - A position detector includes a magnet which moves in cooperation with movement of a detection subject. A magnetic sensor detects magnetic flux generated from the magnet and outputs first and second detection signals from two output terminals. A signal processing circuit differentially amplifies the detection signals to generate an analog signal. A control unit calculates movement of the detection subject based on the analog signal. An abnormality detection circuit includes a switching element which connects one of the output terminals of the magnetic sensor to ground. The control unit determines an abnormality in the magnetic sensor and the signal processing circuit by comparing the voltage level of the analog signal with a predetermined determination level, which is the voltage level of the analog signal when the first switching element is activated during normal operation of the magnetic sensor and the signal processing circuit. | 02-25-2010 |
| 20100085038 | Arrangement comprising a magnetic-field-dependent angle sensor - In order to reduce the dimensions of the mechanical components and the number and size of the sensory and electronic components in an arrangement comprising a magnetic-field-dependent angle sensor which is effectively connected to a magnetic transmitter which is arranged such that it can rotate with respect to the angle sensor, while maintaining or improving the resolution of the output signal, the angle sensor is formed by at least one magnetoelectric converter, the electrical properties of which are dependent on the magnetic field strength but independent of the polarity of the magnetic field acting on the at least one converter. The magnetic field strength is selected such that the at least one converter is controlled in saturation. | 04-08-2010 |
| 20100090687 | DOMAIN WALL MOVEMENT ON MAGNETIC STRIP TRACKS - Magnetic shift tracks or magnetic strips, to which application of a rotating magnetic field or by rotation of the strip itself allows accurate determination of domain wall movement. One particular embodiment is a method of determining a position of a domain wall in a magnetic strip. The method includes applying a rotating magnetic field to the magnetic strip, the magnetic field rotating around a longitudinal axis of the magnetic strip, and after applying the magnetic field, determining a displacement of the domain wall to a second position. | 04-15-2010 |
| 20100097050 | Displacement measuring apparatus - A displacement measuring apparatus is provided, which comprises a measuring sensor, a housing, a first board, a second board and a third board, which boards are arranged in the housing and are circuit carriers, wherein the second board and the third board are in each case oriented transversely to the first board, the second board and the third board are connected by means of a first plug-in connection device and the combination of the second board and third board is connected to the first board by means of a second plug-in connection device. | 04-22-2010 |
| 20100102799 | CARTRIDGE WITH FILL LEVEL DETECTION - A cartridge ( | 04-29-2010 |
| 20100148762 | MAGNETIC POSITION SENSOR - A magnetic position sensor is disclosed for detecting the location of a component which can be moved along an actuating path. The sensor can be located along an actuating path for generating a magnetic field whose polarity changes along the actuating path. At least one galvanomagnetic detector is provided which is located in a region of action of the magnetic field with at least two measurement fields and which can be adjusted relative to the magnetic field along the actuating path, wherein the galvanomagnetic detector is made for vectorial evaluation of the magnetic field. | 06-17-2010 |
| 20100156398 | Scanning unit - A magneto-strictive scanning unit is formed through an actuation pushrod disposed and guided on an outside of a tight housing of a position sensor, in which the delicate sensor is tightly encapsulated, and components of an actuation unit can be disassembled and repaired without opening the sensor housing. | 06-24-2010 |
| 20100156399 | POSITION DETECTING DEVICE, MEDICAL DEVICE GUIDANCE SYSTEM, POSITION DETECTING METHOD, AND MEDICAL DEVICE GUIDING METHOD - A position detecting device includes a detected object that includes a circuit with an internal coil; a magnetic-field generator that includes a magnetic-field generating coil for generating a magnetic field with respect to a detection space of the detected object; detection coils that detect an induced magnetic field generated from the internal coil caused by the magnetic field; a magnetic-field-generating-coil switching unit that selects a magnetic-field generating coil from the magnetic-field generating coils in the magnetic-field generator; a storage unit that stores predetermined information for selecting a magnetic-field generating coil from the magnetic-field generating coils in the magnetic-field generator; and a control unit that controls the magnetic-field-generating-coil switching unit to select the magnetic-field generating coil to be operated among the magnetic-field generating coils in the first magnetic-field generator, based on at least one of a position and a direction of the detected object and based on the predetermined information. | 06-24-2010 |
| 20100171489 | Magnetic Sensor - A magnetic sensor comprises a read head, a position identification scale and a motion identification scale. The read head is provided with a position sensing unit opposite the position identification scale, and a motion sensing unit opposite the motion identification scale. The read head is further provided with a signal processing unit that is connected with the position sensing unit and the motion sensing unit. By such arrangements, the sensing accuracy can be improved, and the material cost can be relatively reduced. | 07-08-2010 |
| 20100171490 | Method for Avoiding Overloading of a Shaft - The invention relates to a method for monitoring the bending of a shaft, particularly a shaft in a mixing kneader, the shaft having a bearing at least on one side. In a first step, the deviation of the shaft from the radial position is measured on at least one position different from the bearing of the shaft. In a further step, a reference value is optionally determined from the measured deviation from the radial position. In a third step, the deviation from the radial position as measured in the first step or the reference value found in the second step is compared with a predetermined limit value. | 07-08-2010 |
| 20100176800 | COIL POSITION DETECTION - A simple position determination is enabled by a device and a method to determine the position of a local coil in a magnetic resonance apparatus, wherein at least one signal emitted by at least one transmission coil is received by the local coil and is evaluated with a position determination device in order to determine the position of the local coil. | 07-15-2010 |
| 20100207608 | NON-CONTACT SENSOR SYSTEM AND METHOD FOR POSITION DETERMINATION - A non-contact sensor system is provided that comprises a first sensor element disposed on an outside surface of a chamber. The chamber comprises an inside surface configured to receive a piston, and the piston is configured to move a value X within the chamber without physically contacting the first sensor element. The non-contact sensor system further comprises a second sensor element disposed on the piston and separated from the first sensor element by a wall of the chamber. The first sensor element and the second sensor element are operatively coupled to facilitate sensing the value X. The non-contact sensor system may be configured to sense velocity, acceleration, volume, and other values. | 08-19-2010 |
| 20100207609 | NON-CONTACT SENSOR SYSTEM AND METHOD FOR SELECTION DETERMINATION - A non-contact sensor system is provided that comprises a first sensor element disposed on a stationary member, and a second sensor element disposed on a rotational member. The second sensor element is proximate the first sensor element without physically contacting the first sensor element. The rotational member is configured to facilitate selection of at least a first position and a second position, and the first sensor element and the second sensor element are operatively coupled to facilitate sensing of the selected position. | 08-19-2010 |
| 20100207610 | Magnetic Passive Position Sensor - A magnetic passive position sensor including a base plate and a cover which form a housing, a magnet that can be moved outside the housing, a resistance network that has several individual electric contacts, and a plurality of contact spring elements that are arranged within the range of motion of the magnet, are interconnected by a common base, and consist of a bending zone and a contact zone. The contact spring elements face the contacts of the resistance network in such a way that the contact zones can be moved from the magnets against the contacts of the resistance network, the contact zones of at least two contact spring elements being assigned to each individual contact of the resistance network. Two adjoining contact spring elements are mechanically interconnected. | 08-19-2010 |
| 20100219811 | Encoded Scale Body and Position/Displacement Measuring System - An encoded scale body for a position/displacement measuring system is provided, which comprises a support band, at least one encoding layer made of encoding material, which is arranged on the support band, and a cover band which covers the encoding material towards an outside space, the cover band being formed by the support band. | 09-02-2010 |
| 20100219812 | ISOLATED MAGNETOSTRICTIVE BUFFERED LIQUID LEVEL SENSOR - A magnetostrictive application probe is disclosed wherein the probe includes a preassembled sensor element mounted as an application housing installation as an installable unit. The modular nature allows interchanging with various electronic assemblies, and may be an explosion proof installation. | 09-02-2010 |
| 20100231204 | Low Hysteresis Sensor - A sensor comprises a magnetic field source, at least one flux conducting soft magnetic element with at least one air gap and at least one magnetic field sensor located in the air gap and measuring a change of the magnetic field of the magnetic field source. The flux conducting soft magnetic element consists of 35% by weight≦Ni≦50% by weight, 0% by weight≦Co≦2% by weight, 0% by weight≦Mn≦1.0% by weight, 0% by weight≦Si≦0.5% by weight and 0.5% by weight≦Cr≦8% by weight and/or 0.5% by weight≦Mo≦8% by weight, wherein (Mo+Cr)≦8, rest iron and unavoidable impurities. | 09-16-2010 |
| 20100271011 | MOVING VEHICLE SYSTEM AND METHOD OF DETECTING POSITION OF MOVING VEHICLE - A detection head is provided for a moving vehicle. The detection head includes a coil array defined by a plurality of coils arranged along a moving direction of the moving vehicle. Dummy coils are provided on both sides of the coil array. Based on a difference between outputs of the dummy coils, whether the moving vehicle is in a continuous segment where the magnetic marks are provided at a constant first pitch or a discrete segment where the magnetic marks are arranged at a pitch wider than the first pitch is identified. | 10-28-2010 |
| 20110101966 | MAGNETIC POSITION SENSOR COMPRISING A TAPPING LAYER CONSISTING OF AN AMORPHOUS METAL - The invention relates to a magnetic position sensor ( | 05-05-2011 |
| 20110210720 | ALIGNMENT SYSTEM - A magnetic hole finder arrangement having a test field detector including a GMR sensor and may having a test field detector including a first and second magnetic field detectors (which may be GMRs) arranged with respect to a hole location position, the detectors having magnetic axes each arranged transversely to a radius from the hole location position to the detector. The arrangement may include geomagnetic or ambient magnetic field compensation. | 09-01-2011 |
| 20110241657 | INPUT DEVICE - An input device including multiple magnets rotatably disposed, multiple magnetic field detecting elements, and a controller. The magnets have the N pole and the S pole formed at a predetermined angular pitch in a rotating direction. The magnetic field detecting elements are disposed facing the magnets. The controller outputs a driving signal in response to a pulse signal output from the magnetic field detecting elements. The controller changes the driving signal to be output in response to a time difference or the number of pulses of pulse signals output from the magnetic field detecting elements. | 10-06-2011 |
| 20110267044 | Position detection device - A position detection device includes an electromagnetic conversion element and a magnetic field generator. The electromagnetic conversion element is arranged on a given plane. The magnetic field generator is arranged facing one side of the electromagnetic conversion element in a direction vertical to the given plane and generates a magnetic field covering the electromagnetic conversion element. A relative position between the electromagnetic conversion element and the magnetic field generator is detected when a relative displacement parallel to the given plane is made by the electromagnetic conversion element and the magnetic field generator based on an output signal of the electromagnetic conversion element. The magnetic field generator has an opposed face that tilts to the electromagnetic conversion element, and generates the magnetic field from the opposed face. | 11-03-2011 |
| 20110298448 | Motion Sensor, Method, and Computer-Readable Storage Medium Providing a Motion Sensor That Can Rapidly Calibrate Gains - A motion sensor has a channel amplitude difference processor configured to adjust gains of two channels to bring a gain of a one channel toward a gain of the other channel when a gain mismatch is detected. | 12-08-2011 |
| 20110298449 | Motion Sensor, Method, and Computer-Readable Storage Medium Providing a Motion Sensor with a Validated Output Signal From the Motion Sensor - A motion sensor has an output protocol processor configured to provide a validated output signal after a determined time period, wherein the determined time period is extended if a vibration is detected. | 12-08-2011 |
| 20110309824 | ROTATION DETECTING DEVICE AND BEARING HAVING ROTATION DETECTING DEVICE - Provided are a rotation detecting device that highly precisely detects absolute angle with low noise, as well as a bearing assembly with such a rotation detecting device. Such a rotation detecting device includes magnetic encoders arranged coaxially with different number of magnetic poles as well as magnetic sensors that detect magnetic fields of those encoders. Each of the magnetic sensors can detect the encoders within each magnetic pole, and includes sensor elements as well as a phase detector that determines the phase of the sensor element in reference to a detected magnetic field signal and then outputs an ABZ phase signal. Such a rotation detecting device further includes a phase difference detector that determines a phase difference of the magnetic field signals in reference to an output from the phase detectors and an angle calculator that calculates the absolute angle of the encoders based on the detected phase difference. | 12-22-2011 |
| 20120001621 | Method of Determining Distance to a Ferrous Material - In one aspect of the present invention a method of determining a distance to a ferrous material comprises providing a plurality of magnetometers spaced at varying distances from a ferrous material, detecting a ferrous material with each of the plurality of magnetometers individually, establishing one of the plurality of magnetometers as a primary magnetometer, obtaining sensor readings from each of the plurality of magnetometers, forming a first ratio of the differences in the sensory readings of the primary magnetometer to the sensory readings of the other magnetometers, forming a second ratio of the differences in inversely cubed distances to the ferrous material from the primary magnetometer to inversely cubed distances to the ferrous material from the other magnetometers, setting the first ratio and the second ratio equal to each other, and calculating the distance to the ferrous material from the plurality of magnetometers. | 01-05-2012 |
| 20120019235 | 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 previously employed ones, especially in its simplicity and its freedom from being affected by weather conditions, accumulated dirt, or electrical interference from the LSM system itself. | 01-26-2012 |
| 20120139530 | ELECTROMAGNETIC ARRAY FOR SUBTERRANEAN MAGNETIC RANGING OPERATIONS - An electromagnetic array includes a plurality of axially spaced electromagnets deployed in a non-magnetic housing. The array further includes an electrical module, such as a diode bridge, configured to provide an electrical current having a fixed polarity to at least the first electromagnet in the array. The array may be configured to generate a magnetic field pattern having (i) a single magnetic dipole when the array is energized with an electrical current having a first polarity and (ii) at least one pair of opposing magnetic poles when the array is energized with an electrical current having the opposite polarity. The invention provides multiple independent ranging methodologies for determining the relative position between the wellbores. | 06-07-2012 |
| 20120249125 | Measuring Transducer Displacement - Displacement of a moving diaphragm in an electroacoustic transducer is measured by modulating an electrical signal based on changes in capacitance between the voice coil assembly and the magnetic structure resulting from relative motion between the voice coil and the magnetic structure. The modulated electrical signal is demodulated to produce an output signal having a value proportional to the displacement. | 10-04-2012 |
| 20120249126 | CIRCUITS AND METHODS FOR MOTION DETECTION - A circuit for detecting object movement includes one or more predetermined threshold detectors, one or more tracking threshold detectors, and an output selector to generate an output signal related to at least one of an output of a predetermined threshold detector or an output of a tracking threshold detector based on a predetermined condition. A method of detecting object movement includes generating: a magnetic field signal proportional to a magnetic field associated with the object, a tracking signal to track peaks of the magnetic field signal, a predetermined threshold output signal responsive to the magnetic field signal and to a predetermined threshold, and a tracking threshold output signal responsive to the magnetic field signal and to the tracking signal, and providing an output signal related to a selected one of the predetermined threshold output signal or the tracking threshold output signal based upon a predetermined condition. | 10-04-2012 |
| 20120313625 | VISUAL INDICATOR DEVICE FOR PROXIMITY SENSOR - A device for visually indicating a change in the operational state of a proximity sensor. The device includes a transparent housing having a cavity and a magnet device for generating a magnetic field. In addition, a sleeve is attached to the housing. The magnet device is concealed within the sleeve in a first position to indicate a first operational state. When a target is positioned adjacent the sensor end, magnetic attraction occurs between the target and the magnet device due to the magnetic field to cause movement of the magnet device to a second position within the cavity wherein the magnetic field does not act on the proximity sensor to change the operational state from the first operational state to a second operational state. Further, the magnet device is visible in the second position to indicate the second operational state. The target is attached to a moving element of the valve such as a valve stem such that a change in operational state of the proximity sensor corresponds to a change in operational state of the valve. | 12-13-2012 |
| 20120313626 | METHOD AND DEVICE FOR IDENTIFYING A SUBSET OF MEASUREMENTS, METHOD AND SYSTEM FOR LOCATING AN OBJECT, RECORDING MEDIUM FOR THESE METHODS - Identifying measurement subset comprising a disturbed measurement disturbed by a magnetic disturber includes emitting and measuring magnetic fields using mono-axial source/mono-axial transducer pairs to obtain real measurements distinguished by position of a source used to emit the field, position of transducer used to measure the field, and field frequency, a source being tied to a mobile object and the transducer tied to a frame of reference in which a position of the mobile object is to be expressed (or vice versa), estimating position of the object in the reference frame based on an observer and involving only a first subset of the measurements, estimating the measurements based at least in part on the estimated position Pi and on a direct model linking the object's position to the measurements, and determining whether or not the first measurement subset comprises a disturbed measurement by comparing the estimated and real measurements. | 12-13-2012 |
| 20120319679 | MAGNETIC FORCE MICROSCOPE AND MAGNETIC FIELD OBSERVATION METHOD USING SAME - A magnetic force microscope capable of measuring the absolute value of a magnetic field with high resolution without causing a change in magnetization state of the probe. The magnetic force microscope includes a cantilever, a probe, a displacement detector that detects a displacement of the probe, a specimen carrier, and various transfer units. The magnetic force microscope that measures an undulation distribution as well as a magnetic field distribution on the surface of a specimen placed on the specimen carrier is further provided with a magnetic-field impress-unit that impresses a magnetic field to the probe, and an output of the magnetic-field impress-unit is controlled such that a magnetic force impressed onto the probe | 12-20-2012 |
| 20130038320 | PROXIMITY DETECTION SYSTEM WITH CONCURRENT RF AND MAGNETIC FIELDS - This disclosure provides a method and system for extending the capability of a proximity detection system that is based on use of low frequency magnetic fields, to avoid conflicts in crowded work sites. The improvement is attained by combining the advantages of these low frequency magnetic fields with the advantages of much higher frequency, radiated (RF) signals that are controlled to be produced at the same time, concurrent with each other, in a coordinated and/or synchronous manner. | 02-14-2013 |
| 20130141082 | LINEAR POSITION SENSOR ASSEMBLY HAVING MAGNETIC SHIELD - A linear position sensor assembly having a magnetic shield minimizes interference (noise) from adjacent electrical and electromagnetic devices, particularly solenoids. The sensor assembly includes a permanent magnet linear contactless displacement (PLCD) sensor comprising a pair of magnetic field sensors which are spaced apart by a member of high magnetic permeability such as a metal bar. The sensors and metal bar are enclosed, i.e., surrounded on three sides, by a cover or shield of high magnetic permeability material such as steel or mu metal, for example. A permanent magnet is disposed in sensed proximity to the sensors and translates with a clutch actuator component. When the clutch actuator component translates axially, the two field sensors provide a signal to associated electronics having high linearity, low noise and no deadband. | 06-06-2013 |
| 20130221952 | ROTATION DETECTOR, WHEEL BEARING EQUIPPED THEREWITH AND PROCESS FOR MANUFACTURING THE SAME - A sensor assembly is sandwiched together with a rubber material mixed with a vulcanizing agent in a mold assembly including an upper mold and a lower mold. The upper and lower molds, while completely sandwiching the sensor assembly, are heated for a predetermined length of time, and a pressure is then applied to the sensor assembly to complete a compressive molding. | 08-29-2013 |
| 20130257416 | THROTTLE OPENING DETECTION DEVICE - A throttle opening detection device includes a rotor which is rotated in an interlocking manner by manipulation of an acceleration grip which is mounted together with the rotor on a handlebar. First magnets are arranged near a peripheral portion of one side surface of the rotor along the circumferential direction of the rotor, while second magnets are respectively laminated to the first magnets, and have opposite polarities to the first magnets. The first magnets with the second magnets laminated thereto are disposed with a set spacing therebetween. A magnetic sensor for detecting a magnetic force generated by all the magnets is arranged to oppose, with a clearance therebetween, the one side surface of the rotor in which the magnets are arranged, in an axial direction of the rotor. | 10-03-2013 |
| 20130271119 | CAPACITIVE ROTARY TRANSDUCER - A capacitive rotary encoder has a stator and a rotor as well as stator electrodes firmly arranged at the stator on an encoding path coaxial to the rotor axis, and coupling electrodes arranged at the rotor. The coupling electrodes are guided over the stator electrodes at a small axial distance from the encoding path by rotation of the rotor, wherein they each cover stator electrodes adjacent in the peripheral direction and connect the latter capacitively to each other. Interrogation electronics detects for each of the stator electrodes a capacitive coupling with an adjacent stator electrode caused by a coupling electrode of the rotor. This permits the reliable detection of the angular position of the rotor both statically and dynamically. | 10-17-2013 |
| 20130285649 | POSITION SENSOR - Position sensor ( | 10-31-2013 |
| 20130328551 | APPARATUS FOR DETERMINING THE POSITION OF THE ROTOR OF AN ELECTRICAL MACHINE - An apparatus for determining the position of the rotor of an electric machine in relation to the stator, wherein the electric machine has at least three winding phases, which each have at least one pole winding with a magnetizable core, with devices for detecting a measurement signal. The instantaneous degrees of magnetization of the pole winding cores influenced by the magnetic field of the rotor, depend on the position of the rotor. The devices for detecting the measurement signal for tapping off the measurement signal are provided exclusively outside the electric machine at connecting conductors used for energizing the electric machine. Preferably, switching devices for temporarily isolating at least one of the connecting conductors from an operating voltage source are provided, wherein the measurement signal can be tapped off at the connecting conductor which has been isolated from the operating voltage source. | 12-12-2013 |
| 20130335070 | ROTATION ANGLE SENSOR - A rotation angle sensor outputs detection signals based on a rotation angle of a rotary shaft. The detection signals that are output from the rotation angle sensor include first to fourth detection signals that sinusoidally change with the rotation angle of the rotary shaft and that are different in phase from one another. Here, a phase difference between the first detection signal and the second detection signal and a phase difference between the third detection signal and the fourth detection signal are each set to 90°. In addition, a phase difference between the first detection signal and the third detection signal and a phase difference between the second detection signal and the fourth detection signal are each set to 45°. | 12-19-2013 |
| 20130335071 | METHOD OF SCALE SUBSTRATE MANUFACTURE - The present invention relates to a method for producing a magnetic substrate for an encoder scale. The method comprising the step of mechanically working the substrate, wherein the substrate is cooled prior to the mechanical working step. In one embodiment, a stainless steel substrate is used. The stainless steel may comprise an austenite (non-magnetic) phase and a martensite (magnetic) phase. Mechanically working and cooling in this manner increases the amount of magnetic (martensite) phase material that is formed, thereby improving the magnetic contrast when non-magnetic (austenite) marking are subsequently formed on the substrate by laser marking. | 12-19-2013 |
| 20140002062 | MEASURING DEVICE FOR MEASURING FILM THICKNESS OF SILICON WAFER | 01-02-2014 |
| 20140015519 | Flow Valve and Method of Manufacturing such a Valve - Flow valve comprising a casing ( | 01-16-2014 |
| 20140043019 | ANGLE SENSOR, GEAR WHEEL FOR AN ANGLE SENSOR AND METHOD FOR PRODUCING SUCH A GEAR WHEEL - An angle sensor for determining a rotation angle of a rotatable body, such as a steering column in a motor vehicle, includes a gear wheel. The orientation of a magnetic field generated by the gearwheel is configured to be detected by a magnetic field sensor. The gear wheel is comprised of a magnetisable material, such as hard ferrite, into which a magnetisation is introduced. The gear wheel is stronger in a central region than in an edge region in which the teeth are arranged. In order to weakly magnetise the edge region, which minimizes a negative influence of the teeth on the homogeneity of the generated magnetic field, the front face of the gear wheel is configured to be magnetized. The magnetisation process advantageously takes place at the same time as an injection moulding process to form the gearwheel. A method is implemented to produce the gear wheel. | 02-13-2014 |
| 20140062463 | Circuits And Methods For Generating A Threshold Signal Used In A Motion Detector - A circuit to detect a movement of an object provides a threshold selection module that uses one or more threshold signals identified prior to a present cycle of magnetic field signal in order to establish a threshold signal used for a present cycle of the magnetic field signal. A method associated with the circuit is also described. | 03-06-2014 |
| 20140070797 | Capacitive Position Encoder - In one embodiment, a method comprises driving one or more drive electrodes formed on a substrate with one or more drive signals. A wiper comprising at least one arm is driven to a predetermined voltage. The wiper is electrically insulated from a plurality of sense electrodes formed on the substrate. For each sense electrode of the plurality of sense electrodes, a charge stored by the sense electrode is detected. A processor determines a position of the wiper based on the detected charges stored by the plurality of sense electrodes. | 03-13-2014 |
| 20140070798 | POSITION MEASUREMENT USING FLUX MODULATION AND ANGLE SENSING - Systems and methods for determining a position of a movable component. One system includes a controllable source of varying magnetic flux. In a particular embodiment, the magnetic flux is directed through a magnetic sensor using a first flux concentrator and a second flux concentrator. The sensor generates a sensor signal that is provided to an electrical circuit designed to demodulate the signal. The demodulated signal is provided to a controller. The controller converts the signal and calculates the position of the second flux concentrator relative to the first flux concentrator. The controller may take a predetermined action based on the calculated position of the second flux concentrator. | 03-13-2014 |
| 20140077794 | POSITION DETECTION DEVICE - A position detection device includes a first component provided by molding of a first mold resin with a first hall IC, a second component provided by molding of a second mold resin with a second hall IC, a terminal connected to a first wiring of the first component and to a second wiring of the second component, and a third mold resin molded to hold and protect the first component, the second component and the terminal. The third mold resin fixing the first component and the second component to each other. Accordingly, the position detection device can be provided, which includes a component usable commonly for a variety of position detection devices which are different in the number of hall ICs. | 03-20-2014 |
| 20140097830 | LOCATION DETECTOR DEVICE - A permanent magnet | 04-10-2014 |
| 20140125324 | RESOLVER AND METHOD OF MANUFACTURING THE SAME - Provided is a method of manufacturing a resolver having a stator mounted around a rotator and configured to detect a rotational angle of a motor, the method including: forming the stator to have a core with protrusions disposed at a predetermined interval along a rotational direction of the rotator; winding a signal source coil around the protrusions of the core to generate an alternate current (AC) magnetic field when an input voltage signal is applied thereto; and winding a plurality of output signal coils alternately along the rotational direction of the rotator around the protrusions of the core, along the rotational direction of the rotator, to generate induced voltage signals of different phases in response to the AC magnetic field generated by the signal source coil and the rotation of the rotator. | 05-08-2014 |
| 20140125325 | SENSOR AND METHOD OF CONTROLLING THE SAME - According to embodiments of the present invention, a sensor is provided. The sensor includes a substrate, a beam suspended from the substrate, and a plurality of conductive lines arranged on the beam, wherein the beam is adapted to be displaced in response to a current flowing through the plurality of conductive lines, and a magnetic field interacting with the beam, and wherein the sensor is configured to determine a property of the magnetic field based on the displacement of the beam. According to further embodiments of the present invention, a method of controlling a sensor is also provided. | 05-08-2014 |
| 20140152298 | POSITIONING METHOD - The invention relates to a positioning method for determining a position of a downhole tool moving at a velocity in a casing in a well, comprising the steps of measuring a magnitude and/or direction of a magnetic field by means of a first sensor several times over a time period while moving along a first part of the casing manufactured from metal, determining a manufacturing pattern of the casing along the first part from the measurement measuring a magnitude and/or direction of a magnetic field by means of the first sensor several times over a time period while moving along a second part of the casing manufactured from metal, determining the velocity of the tool along the second part, adjusting the determined velocity of the tool along the second part based upon the manufacturing pattern. | 06-05-2014 |
| 20140184203 | POSITION DETECTOR - A position detector includes a magnet disposed between first ends of first and second magnetic flux transmission parts and a magnet disposed between second ends of the first and second magnetic flux transmission parts. The position detector also includes a Hall IC that moves within a gap and relative to a rotating body. The Hall IC detects a density of the magnetic flux from the first and second magnetic flux transmission parts and outputs a signal according to the density of the magnetic flux passing therethrough in order to detect a position of a detection object. The position detector has third and fourth magnetic flux transmission parts disposed at ends of the first and second magnetic flux transmission parts in a non-contacting manner. As a result, the position detection accuracy of the position detector is improved. | 07-03-2014 |
| 20140184204 | POSITION DETECTOR - A position detector has a gap for providing a detection range. The gap has a gap width that is greater at the ends of the gap than at a center. Therefore, an amount of a spill magnetic flux and an amount of a direct magnetic flux respectively flowing through a position at and around an end portion of the gap are reduced when compared to a gap having a constant gap width along the direction of relative movement. Namely, the density of magnetic flux which passes through a Hall element that is positioned at each longitudinal end of the gap decreases. Therefore, at or around the ends of the gap, a rate of change of the magnetic flux density detected by the Hall element decreases and the linearity of an output signal from the Hall element is improved. | 07-03-2014 |
| 20140184205 | POSITION DETECTOR - A position detector has first and second magnets with a magnet width that is different from a gap width of a gap. As a result, the gap width and the magnet width are independent of each other. The gap width is minimized relative to a molding member that molds a Hall element. The first and second magnets have a specific magnet width that generates a required magnetic flux density without increasing the magnet width, which enables a volume reduction of the position detector. | 07-03-2014 |
| 20140191749 | MEASURING SYSTEM - A measuring system is provided that includes a magnetic field sensor array, an evaluation circuit for evaluating measurement signals of the magnetic field sensor array, and a rotatable encoder that has a mass element to change a magnetic field vector in the magnetic field sensor array. The encoder has a spring element in which the mass element is attached to the spring element. The encoder has a linear guide, and the mass element is guided in a radial direction in the linear guide such that during a rotation of the encoder the mass element can be moved by centrifugal force and the centrifugal force works against the spring force of the spring element. The magnetic field sensor array is arranged toward the encoder to measure a change, caused by the movement of the mass element, in the magnetic field vector. | 07-10-2014 |
| 20140197820 | MEASURING SYSTEM - A measuring system having a first magnetic field sensor, an encoder, and an evaluation circuit. The first magnetic field sensor and the second magnetic field sensor and the third magnetic field sensor are connected to the encoder. The evaluation circuit has a logic, which is set up to determine the position of the encoder based on a first measurement signal of a first magnetic field sensor and a second measurement signal of a second magnetic field sensor and a third measurement signal of a third magnetic field sensor. | 07-17-2014 |
| 20140218013 | MAGNETIC POSITION SENSORS, SYSTEMS AND METHODS - Magnetic position sensors, systems and methods are disclosed. In an embodiment, a position sensing system includes a magnetic field source; and a sensor module spaced apart from the magnetic field source, at least one of the magnetic field source or the sensor module configured to move relative to the other along a path, the sensor module configured to determine a position of the magnetic field source relative to the sensor module from a nonlinear function of a ratio of a first component of a magnetic field of the magnetic field source to a second component of the magnetic field of the magnetic field source. | 08-07-2014 |
| 20140232377 | METHOD AND ASSEMBLY FOR DETERMINING THE ROTATIONAL SPEED OF FERROMAGNETIC COMPONENTS - A method for determining the rotational speed of ferromagnetic disks via the detection of permeability changes in dependence on radially directed forces in the disk includes orienting, for the measurement, at least one contactless-operating magneto-elastic sensor toward a face of the ferromagnetic disk to be measured, for detecting permeability changes in the case of occurring radial forces, and for calculating the radial forces from the permeability changes. The primary use is in the field of contactless determining data of rotating components. | 08-21-2014 |
| 20140232378 | SENSOR ARRANGEMENT - The invention relates to a sensor arrangement ( | 08-21-2014 |
| 20140266161 | SYSTEMS AND METHODS FOR MAGNETOSTRICTIVE SENSING - Magnetostrictive sensing systems and methods are disclosed. One such system comprises a magnetostrictive wire having first and second ends. A magnet is movable along a length of the magnetostrictive wire. An excitation device is operable to apply an electrical excitation signal to the magnetostrictive wire. A torsional motion sensor is operable to detect a torsional motion of the magnetostrictive wire. A reflective termination is configured to reflect the torsional motion of the magnetostrictive wire. A processor is in communication with the excitation device and the torsional motion sensor. The processor is programmed to (i) apply the electrical excitation signal to the magnetostrictive wire with the excitation device, (ii) identify whether the torsional motion detected by the torsional motion sensor has been reflected by the reflection termination, and (iii) calculate a position of the magnet along the magnetostrictive wire based on only the detected torsional motion reflected by the reflection termination. | 09-18-2014 |
| 20140266162 | POSITION SENSOR WITH IMPROVED SIGNAL TO NOISE RATIO - A magnetostrictive position sensor achieves an improved signal to noise ratio by implementing several electronic control features, including: enclosing a waveguide within an approximately tubular return conductor, adjusting the energy of an interrogation pulse and then clamping the waveguide, tracking the peak voltage of a sensed signal, cutting off the signal of a pickup during the time period outside of a signal time frame, adjusting the pass band of a filter based on an interrogation rate and waveguide length, zeroing and scaling a signal without digitizing the signal, and avoiding noise from an interrogation voltage generator. | 09-18-2014 |
| 20140266163 | SYSTEMS AND METHODS FOR RAPID DETECTION OF ROTATION DIRECTION - Embodiments relate to sensor systems and methods for rapidly detecting a direction of rotation. In one embodiment, a sensor system is configured to identify positive and negative peaks of both speed and direction signals and to evaluate a sequential order of the peaks. A direction of rotation can be identified rapidly from the evaluation of the sequential order of peaks. | 09-18-2014 |
| 20140320115 | ROTATION ANGLE DETECTOR - A rotation angle detector for detecting the magnetic change caused by rotation of a rotatable member, has a resin molding, a pair of magnetic property detection members, and a plurality of sensor terminals. Each of the magnetic property detection members has a sensor portion for detecting the magnetic change caused by the rotatable member and a plurality of connecting leads. The sensor terminals are individually connected to each connecting lead. The magnetic property detection members are located within in the resin molding. The sensor portions of the magnetic property detection members are fixedly coupled to each other by an adhesive. | 10-30-2014 |
| 20140320116 | METHOD FOR DIAGNOSING A VARIABLE RELUCTANCE MAGNETIC DETECTION HEAD, AND DETECTION CIRCUIT - A variable-reluctance magnetic detection head delivers an electrical signal (Uin) and a rising wavefront of the electrical signal is compared with a first threshold (Th) in order to switch from a first state (B | 10-30-2014 |
| 20140354268 | POSITION SENSING DEVICE - A position sensing device has a first magnetic flux transmission unit that includes first thin boards made of long shape magnetic material stacked along a board thickness direction and a second magnetic flux transmission unit that includes second thin boards made of long shape magnetic material stacked along the board thickness direction, for defining a gap space between the first and second magnetic flux transmission units when disposing the first and second magnetic flux transmission units on a rotating body. Further, the position sensing device includes first and second magnets disposed between both ends of the first and second magnetic flux transmission units. A Hall IC disposed on a mold part moves within the gap space along a gap space longitudinal direction relative to the rotating body for outputting a signal according to a density of a magnetic flux passing therethrough. | 12-04-2014 |
| 20150015245 | MULTI-ROTATION ENCODER - A battery-less multi-rotation encoder including detection coils with the Barkhausen effect includes a rotation detection mechanism and a signal processing circuit. The detection coils generate voltage pulses with different positive and negative signs, and transmit them to the signal processing circuit, and the signal processing circuit includes a controller and an adder. The controller can set states of the detection coils to be High or Low and to maintain them at High or Low, based on the positive and negative signs of the respective voltage pulses and no voltage pulse being generated therefrom. The controller is configured to store the states of the respective detection coils in a memory. The adder can update a number of rotations according to the changes in the states of the respective detection coils. The signal processing circuit can determine the rotational angle of a rotational shaft within about 1/4 rotation unit. | 01-15-2015 |
| 20150022189 | POSITION DETECTION DEVICE - A detection unit is disposed at a position facing a first magnet with a spacer member interposed therebetween, the first magnet is disposed between the spacer member and a second magnet so that a polarity of the first magnet corresponds to a polarity of the second magnet opposite to the polarity of the first magnet, a magnetic force generated from the second magnet reaches a position distant from the detection unit in a space to be detected as compared to a magnetic force generated from the first magnet, a magnetic field is generated by composition of the magnetic force generated from the first magnet and the magnetic force generated from the second magnet, and the detection unit detects the approach of an object to be detected by detecting a change of a magnetic field that occurs when an influence of the magnetic force generated from the second magnet is changed. | 01-22-2015 |
| 20150077093 | ROTATION ANGLE DETECTING DEVICE - In a rotation angle detecting device, a first magnetic sensor and a second magnetic sensor are disposed at an interval of an electrical angle of 120 degrees around a rotation center axis of a rotor. An output signal of the first magnetic sensor is expressed by V | 03-19-2015 |
| 20150123652 | Magnet Device and Position Sensing System - The present disclosure provides a magnet device for providing the magnetic density changes/magnetic field changes in relation to a detecting position. The magnet device comprises a magnet member adapted to be mounted on a rotatable shaft and be rotated for producing the magnetic density changes/magnetic field changes in relation to the detecting position when the magnet member is rotating around the rotatable shaft. To concentrate/condense the density of the magnetic density changes/magnetic field changes, the magnet device includes a magnetic flux density concentrator. | 05-07-2015 |
| 20150145504 | Magnetoresistive Gear Tooth Sensor - The present invention discloses a magnetoresistive gear tooth sensor, which includes a magnetoresistive sensor chip and a permanent magnet. The magnetic sensor chip is comprised of at least one magnetoresistive sensor bridge, and each arm of the sensor bridge has at least one MTJ element group. The magnetoresistive gear tooth sensor has good temperature stability, high sensitivity, low power consumption, good linearity, wide linear range, and a simple structure. Additionally, the magnetoresistive gear tooth sensor has a concave soft ferromagnetic flux concentrator, which can be used to reduce the component of the magnetic field generated by the permanent magnet along the sensing direction of the MTJ sensor elements, enabling a wide linear range. Because it is arranged as a gradiometer, the magnetoresistive gear tooth sensor bridge is not affected by stray magnetic field; it is only affected by the gradient magnetic field generated by gear teeth in response to the permanent magnet bias. The magnetoresistive gear tooth sensor of the present invention is able to detect the position of a specific tooth or a missing tooth of a gear. This magnetoresistive gear tooth sensor is also capable of determining the speed and direction of motion of a gear. | 05-28-2015 |
| 20150145505 | DETECTION DEVICE - A magnet generates a magnetic field around a position where a detected object passes. The detected object is formed of a nonmagnetic and conductive material. A first core is a magnetic object equipped to the magnet on a detected object side. A coil is wound around a radially outside of the first core. A second core is a magnetic object connected to the first core on the detected object side. An outer diameter of the second core is greater than an outer diameter of the first core. | 05-28-2015 |
| 20150145506 | MAGNETIC SENSOR - A magnetic sensor includes a bias magnetic field generator and a magnetic detection element disposed on one side of the bias magnetic field generator, in a magnetic pole direction. The magnetic sensor identifies a medium, that is a magnetic powder adhered medium or a magnetic film adhered medium, passing across the magnetic detection element on the side opposite to the bias magnetic field generator. The magnetic detection element detects variation in a magnetic field component parallel to a movement direction of the medium identified. A passage region of the medium includes a specific region in which a magnetic field increases when distance from the magnetic detection element becomes larger in the magnetic pole direction. | 05-28-2015 |
| 20150308810 | SENSOR ASSEMBLY - A sensor assembly having a pair of sensors and a pair of sensor targets. Each of the sensors is an eddy current sensor that defines X, Y and Z axes that are orthogonal to one another such that the X-axes are aligned to a movement axis along which a structure is to be moved. The sensor targets are coupled to one another for common movement and are formed of an electrically conductive material that is configured to interact with a respective one of the eddy current sensors to cause the sensors to produce sensor signals that each vary in a distinct manner with movement of the targets parallel to the movement axis. The targets are configured such that their coordinated movement in a direction parallel to the Z-axes as they are moved along the movement axis has no effect on the determined location of the structure. A method is also provided. | 10-29-2015 |
| 20150345991 | STROKE DETECTION DEVICE, STROKE DETECTION METHOD, STROKE DETECTION SYSTEM, OPERATION LEVER UNIT, AND OPERATION LEVER STROKE DETECTION SYSTEM - A stroke detection device includes: four rods provided, moveably along respective axial directions, side by side on a same circumference of a device body, the stroke detection device detecting a change in relative positions of the four rods at a time the rods perform a stroke with respect to the device body; a magnet disposed to each of the rods such that a magnetic field is generated between rods adjacent to each other on the circumference and that the magnetic field varies at a time the rods adjacent to each other on the circumference perform a stroke relatively; and magnetic field detection units disposed on at least three positions between the magnets adjacent to each other in the device body, each of the magnetic field detection unit detecting the magnetic field between the magnets and outputting an electric signal in accordance with the detected magnetic field. | 12-03-2015 |
| 20150362307 | LINEAR SENSOR APPARATUS FOR VEHICLE - A linear sensor apparatus for a vehicle includes a housing which includes an accommodation space therein, a mobile member which is provided in the accommodation space and has at least a part that extends from the housing outward to be connected to a predetermined driving system of the vehicle and linearly moves between a first area and a second area according to driving of the driving system, a magnet member provided in the mobile member, and an output unit which outputs an OFF value when the magnet member is located in the first area and outputs an ON value when the magnet member is located in the second area. | 12-17-2015 |
| 20160003922 | SENSOR CONFIGURATION FOR A LATCH ASSEMBLY - A latch assembly comprising: a latch operative to adopt a latched condition and an unlatched condition; a magnet imparting a magnetic field; a sensor adapted to sense the magnetic field; the latch, magnet and sensor being configured such that a change in the condition of the latch effects a variance in the magnetic field sensed by the sensor such that the sensor is able to distinguish between the latched condition and the unlatched condition. | 01-07-2016 |
| 20160018476 | MOLDED SENSOR PACKAGE WITH AN INTEGRATED MAGNET AND METHOD OF MANUFACTURING MOLDED SENSOR PACKAGES WITH AN INTEGRATED MAGNET - A molded sensor package includes a leadframe having a sensor die attached to the leadframe, a magnet aligned with the sensor die and a single molding compound encasing the sensor die and attaching the magnet to the leadframe. A method of manufacturing the molded sensor package includes loading the magnet and the leadframe into a molding tool so that the magnet is aligned with the sensor die in the molding tool, molding the magnet and the sensor die with the same molding compound while loaded in the molding tool and curing the molding compound so that the magnet is attached to the leadframe by the same molding compound that encases the sensor die. | 01-21-2016 |
| 20160041010 | MAGNETIC POSITION DETECTION DEVICE AND MAGNETIC POSITION DETECTION METHOD - A magnetized scale ( | 02-11-2016 |
| 20160076911 | SYSTEM THAT OBTAINS A SWITCHING POINT WITH THE ENCODER IN A STATIC POSITION - A system including an encoder, multiple sensing elements and control logic. The encoder has a pole pitch and is configured to rotate in a direction of rotation. The multiple sensing elements are situated along the direction of rotation and span at least half the length of the pole pitch. The control logic is configured to receive signals from the multiple sensing elements based on the encoder in a static position and obtain a switching point based on the signals. | 03-17-2016 |
| 20160252339 | Method For Determining The Position Of A Target Along A Movement Axis While Being Insensitive To Movement Of The Target Along Axes That Are Orthogonal To The Movement Axis | 09-01-2016 |
