Abstract: Magnetic position sensors, systems and methods are disclosed. In an embodiment, a position sensing system includes a magnetic field source with a dipole moment in a direction along a z-axis; and a sensor module spaced apart from a center of the dipole moment a distance y0 along a y-axis and spaced apart a distance z0 from a center of the dipole moment along a z-axis, at least one of the magnetic field source or the sensor module configured to move relative to the other along a path in the y=y0 plane, the sensor module configured to determine a relative position of the magnetic field source to the sensor module with respect to the path from a ratio of a gradient dBz/dx to a gradient dBz/dy, where Bz is a magnetic field component associated with the permanent magnet, and where an x-axis, the y-axis and the z-axis are at right angles.

Abstract: A sensor assembly for determining a magnetization direction of an indicator magnet with respect to the sensor assembly includes a first magnetic field sensor for detecting a first and a second magnetic field component with respect to a first and a second spatial direction, and a second magnetic field sensor for detecting a third and a fourth magnetic field component with respect to the second spatial direction, wherein the first and the second magnetic field sensor are spaced apart from one another. Further, the sensor assembly includes a processor that is implemented to combine the first and the second magnetic field component to obtain a first combination quantity, to combine the third and the fourth magnetic field component to obtain a second combination quantity, to determine a position of the indicator magnet and the magnetization direction.

Abstract: A microtechnique device includes an actuator, designed to move movable equipment with a permanent magnet with respect to a support. The actuator is designed to move the movable equipment in two degrees of freedom from a position of rest, and the permanent magnet is chosen to have a magnetic field distribution that presents a main plane of symmetry and a main direction of magnetization passing through a centre. The device includes a first magnetic sensor and a second magnetic sensor, these two being designed to detect a movement of the magnet. The sensors are positioned with respect to the position of rest of the magnet in a specific manner in the main plane of symmetry of the magnetic field and near to extrema. The first and second sensors are then sensitive to the movements of the movable equipment perpendicular to their respective working axes.

Abstract: A transmission actuator for a transmission includes a split sensor configured to detect a switching position of a split phase rod of the transmission that can be longitudinally displaced in a split sensor measuring direction. The transmission actuator further includes a gate sensor configured to detect a gate rod position of a gate rod of the transmission that can be longitudinally displaced in a gate sensor measuring direction, and a gear sensor configured to detect a gear rod position of a gear rod of the transmission that can be longitudinally displaced in a gear sensor measuring direction. Two measuring directions extend substantially parallel and span a measuring direction plane, and a third measuring direction forms an obtuse angle with the measuring direction plane.

Abstract: A method for measuring a position using a magnet and a sensor for detecting the magnetic field strength of the magnet. The magnet and/or the sensor interact with a movable element so that a relative movement between the sensor and the magnet can be effected. The position of the movable element in accordance with the co-ordinates in a system of co-ordinates can be ascertained on the basis of the magnetic field generated by the magnet and detected by the sensor. The sensor ascertains the components of the magnetic field strength of the magnetic field in three linearly independent spatial directions. The magnet generates an analytically describable magnetic field. Each co-ordinate along a co-ordinate axis of the system of co-ordinates in a half-space of the magnetic field is determined individually and unambiguously by the combination of the components of the magnetic field strength detected by the sensor.

Abstract: A position detection apparatus includes a position pointer having a coil and a sensor unit for detecting the position of the position pointer. The sensor unit has a sensor board including a plurality of loop coils juxtaposed and extending in a predetermined direction, and the sensor unit detects a signal generated in the loop coils by electromagnetic induction between the coil of the position pointer and the loop coils, to thereby detect the position of the position pointer. The sensor unit further includes a shield member disposed on the sensor board remotely from the position pointer for reducing noise, and a magnetic path sheet formed from a plurality of magnetic path members of a substantially rectangular shape having a higher magnetic permeability than that of the shield member and disposed between the sensor board and the shield member.

Abstract: A system and method for determining the position of a moveable barrier relative to the fully open position and fully closed position. The invention utilizes in a preferred embodiment a geo-magnetic sensor to determine the extent to which the barrier has traveled from reference position of fully open or fully closed to some intermediate point. A multi-axis sensor provides an output which changes during the barrier's excursion relative to each of the respective axes so that direction or tilt may be readily known in between the closed and open positions. Operation of the gate or barrier may be more efficiently controlled when its precise location between open and closed is known.

Abstract: Energy self-sufficient apparatus with an energy converter, which comprises at least one permanent magnetic element, a second permanent magnetic element and a coil, wherein at least one of the permanent magnetic elements is arranged such that its magnetic field penetrates a coil and the second permanent magnetic element is arranged movable such that the magnetic field penetrating the coil can be changed by means of the movement.

Abstract: A human surrogate head model (HSHM) to measure brain/skull displacement due to a physical force, such as due to an explosive, ballistic, or automotive crash type of event. A HSHM may include a plurality of magnetic field generators positioned stationary relative to a HSHM skull, each to generate a magnetic field oriented with respect to a corresponding one of multiple directions. The HSHM may include one or more electromagnetic force (EMF)-based displacement sensors, each of which may include three inductive coils oriented orthogonally with respect to one another and co-aligned about a central point. A signal processor may be implemented to separate signals generated by each coil of each EMF-based displacement sensor into a plurality of component magnitudes, each attributable to a corresponding one of the magnetic fields. A computer-implemented model may be implemented to correlate between the component magnitudes and a corresponding position and orientation of the displacement sensor.

Abstract: 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 apparatus for providing information relating to the operation of an electrical motor 100 comprises a sampler 50, 51 for sampling the instantaneous motor current is and a processor 160 for determining the instantaneous rate of change of the motor current and providing information about the motion or position of said motor based on said instantaneous rate of change of the motor current. In this way speed and position information can be provided, at low speeds, and without using a speed sensor.

Abstract: A linear position measuring system and a method for determining an absolute position of a carriage along a slide rail are disclosed. An analog signal progression (S) based at on at least one reference point is here discretely scanned in response to a first threshold (SW1) and second threshold (SW2). The resultant digital values are stored in a first measured value register (MR1) and a second measured value register (MR2). The contents of the first and second measured value register (MR1, MR2) are compared with the respective contents of a first and second set measured value register. The reference point is output as an ideal reference point if the differential value lies within a predetermined tolerance range, and is otherwise discarded.

Abstract: A position detection apparatus includes a position detection target member, a magnet that moves in accordance with movement of the position detection target member, and a plurality of magnetic detectors provided on a surface opposite a movement plane of the magnet. A flat yoke is provided on the reverse face of the magnet. The magnetic polarity of a peripheral side part of the magnet is opposite to the magnetic polarity of a center part thereof. The peripheral side part is formed at a regional range that can be defined on the basis of a predetermined distance(s) measured from a side edge of the yoke.

Abstract: A belt monitoring system which can accurately monitor the condition of a conveyor belt by correcting it for the effect of belt deviation. Wear detecting magnets (11), which are rubber magnets spanning the entire belt width, are embedded at intervals along the circumferential direction of the conveyor belt (2). Also, position determining magnets (12, 12z) are embedded in positions a predetermined distance apart from the wear detecting magnets (11). In addition, a plurality of magnetic field detecting means (13: 13A-13G) for detecting the magnetic fields from the magnets (11, 12, 12z), which are arranged at predetermined intervals in the width direction of the conveyor belt (2), are disposed in a position spaced apart from the surface of the conveyor belt (2).

Abstract: A position sensor has at least one guide rail for a guide housing having a magnetic component. On the guide housing, an encapsulation is accommodated which electrically insulates and/or fixes a lead frame assembly and/or a circuit trace assembly. It forms a retainer for the magnetic component.

Abstract: In a measurement method, a plurality of magnetic field sensors (MS0-MS15) that are arranged along a circular periphery (CIR) and are each configured to emit a sensor signal (H0-H15) as a function of a magnetic field intensity is provided. A diametrically magnetized magnetic source (MAG) seated rotatably on the circular periphery (CIR) about an axis of rotation (RA) is further provided. A first set of sensor signals from the magnetic field sensors (MS0-MS15) is received and a first orientation (AL1) of an axis (AX) defined by a reference value transition (RFD) is determined as a function the first set. After a rotation of the magnetic source (MAG) about the axis of rotation (RA), a second set of sensor signals is received and a second orientation (AL2) of the axis (AX) is determined as a function of the second set of sensor signals. A position (X0, Y0) of the axis of rotation (RA) is acquired as a function of the first and the second orientation (AL1, AL2).

Abstract: Sensors, apparatus, and methods for measuring movements are disclosed. The sensors include input and output windings wound about a common location and an armature is equally positioned relative to both windings movable to vary inductance reactance of the sensor. The mass of the sensor and the ease of movements are such that flexible membranes, such as skin, can be monitored with insignificant interference. The sensor can be included in “Band-aid” bandage arrangement in which the bandage backing can be removed and held in place on skin by the bandage. A monitoring circuit, responsive to the changes in sensor impedance, provides indications of the detected movements. The monitoring circuit includes an arrangement for self-adjusting parameters so that the system can be automatically preset and continually reset. The monitoring circuit includes a power savings arrangement.

Abstract: A magnetic field sensor includes a sensing structure having a ring-shaped well, a plurality of contacts of equal size disposed along the ring-shaped well, a circuit having a plurality of electronic switches associated with the contacts of the sensing structure, a logic block for controlling the electronic switches, at least one current source, a voltage measuring device, a timing circuit providing a control signal for controlling the logic and providing a reference signal, wherein the logic block is configured to switch the switches under the control of the control signal so that a predetermined number of contacts of the plurality of contacts form a vertical Hall element supplied with current from the at least one current source and having two contacts connected to the voltage measuring device and circuitry configured to measure a phase shift between the reference signal and an output signal of the voltage measuring device.

Abstract: A door lock assembly capable of sensing its locking status is disclosed which comprises a magnet embedded in a bolt, the bolt being mounted to a door panel, and being able to move between a first position and a second position without a movement of the door panel, when in the first position the bolt being extended into a recess secured to a door frame for locking the door, when in the second position the bolt being retracted out of the recess for unlocking the door, and a magnetic sensor mounted in the recess and configured to detect a presence of the magnet when the magnet being in the first position and to detect an absence of the magnet when the magnet being in the second position.

Abstract: Magnetic proximity sensor, comprising a magnetic sensor element, and a magnet assembly having a first pole surface and a second pole surface, wherein the first pole surface of the magnet assembly is positioned adjacent to a sensor target surface of the magnetic proximity sensor, and the sensor element is positioned at a first distance from the second pole surface of the magnet assembly remote from the sensor target surface.

Abstract: A resolver is provided with a rotor plate fitted to a key groove in a rotating shaft and connected to the rotating shaft, and also with a resolver stator for detecting the rotational position of the rotor plate. The resolver stator is provided with a resolver cover for protecting a coil board of a stator core and fixed to the stator core. The coil board is provided with holes fitted to stator pins which are projections of the stator core, coil patterns each formed so as to center on each of the holes, and lead wires connected to the coil patterns formed on the coil board. The outer peripheral portion of the stator core is provided with long mounting holes for fixing the resolver to the housing of a rotating machine, such as an electric motor or a generator, and also with engaging holes engaging with claws of the resolver cover.

Abstract: 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 detection accuracy. A position detecting device 1 comprising: a section 4 to be detected which is rotated on the basis of the rotational operation of a handle grip 3 provided to a handle bar 2; a detecting section 5 which detects the section 4 to be detected; and a case 6 which contains the section 4 to be detected and the detecting section 5, wherein the position detecting device 1 is also provided with a support member 7 which rotatably supports the section 4 to be detected and to which the detecting section 5 is affixed.

Abstract: A magnetic position detecting device (10) includes a magnet (4); first to fourth magnetoelectric conversion elements (1A to 1D) formed on a virtual plane along a substrate (3); and a flux guide (5) made of a magnetic material. The flux guide (5) includes first and second protrusions (9B, 9A) provided at a distance from each other in the X-axis direction parallel to the virtual plane. As seen in the Z-axis direction perpendicular to the virtual plane, a center portion (MP) recessed in a concave shape is provided in the flux guide (5) in a mid-portion between the first and second protrusions. The first and fourth magnetoelectric conversion elements (1A to 1D) are provided approximately in the mid-portion between the first and second protrusions so as to cover a part of the center portion (MP) as seen in the Z-axis direction. The second magnetoelectric conversion element (1B) is provided between the first protrusion (9B) and the center portion (MP) as seen in the Z-axis direction.

Abstract: There is described an arrangement for detecting a change in a position between two parts which can be displaced in relation to one another. The arrangement has at least one electromechanical registering device having a monitoring chamber, which is shielded from manipulations taking effect from the outside, a number of monitoring bodies in the monitoring chamber, the number comprising at least two components and these components differing from one another in terms of a physical parameter, motion transfer means, which, in the event of the change in the positioning being returned to an initial state, cause the monitoring bodies to be moved from a first monitoring arrangement into a second monitoring arrangement. A sensor device has sensors which generate a sensor signal corresponding to the physical parameter of a monitoring body associated with each sensor in the first and second monitoring arrangement, and each sensor signal is fed to an evaluation unit.

Abstract: This device (6) for holding a sensor (4) or similar element in a casing (2) includes: two bearing tabs (18) designed to interact with the sensor (4), a rigid bridge (16) connecting the two bearing tabs (18), a holder (12) on which the rigid bridge (16) is mounted so that the rigid bridge (16) has a degree of rotational freedom and a degree of flexing freedom relative to the holder (12).

Abstract: A magnetic sensor according to the invention includes: a detector detecting the intensity of magnetic field; a comparison portion comparing the result of the detection with a set threshold value and outputting an output signal corresponding to the result of the comparison; and a threshold-value adjuster adjusting the threshold value. Thus, inconveniences due to a reverse magnetic field phenomenon or magnetic-field offset phenomenon can be solved as simple as possible.

Abstract: A position/displacement measuring system is provided comprising at least one magnetically encoded scale body with at least one encoding track and a sensor device with at least one sensor sensitive to the encoding, the at least one encoding track comprising main fields of at least a first type and a second type which are arranged in a periodically alternating manner in at least a first direction, the subfields of the first type and second type being north pole fields and south pole fields, wherein the main fields of the first type and the main fields of the second type are each subdivided into subfields of at least two different types; wherein a length and/or an encoding strength of the subfields within a main field varies in at least the first direction; and wherein, in the main fields of the first type, the total length in the first direction and/or the total surface of field portions of the first type is greater than the total length and/or the total surface of field portions which are not of the first type

Abstract: A sensor that includes an actuator having a plurality of actuator magnets. A detector proximate to and mechanically isolated from the actuator defines a bore. A detector magnet inside the bore may move in the bore from a first position to a second position. An optical signal passes through the detector so that the detector magnet blocks the optical signal when the detector magnet is in the first position.

Abstract: An angle detecting apparatus includes a rotor fixed to a rotating shaft, a pair of magnetic sensors arranged close to the outer periphery of the rotor so as to have a difference in angle (?/2) with respect to the center of rotation of the rotor, a differential operational circuit performing differential operation on detection signals output by the magnetic sensors to output a differential signal, and the angle calculating circuit calculating the angle of rotation of the rotating shaft based on the differential signal. The planar shape of the rotor is such that the sum of the distances between the center of rotation and the respective two points where two straight lines crossing at the center of rotation at a crossing angle of (?/2) cross the outer periphery of the rotor is constant, and the planar shape is symmetric with respect to a straight line passing through the center of rotation.

Abstract: In a method for detecting a force bearing value and position of a magnetostrictive body, the magnetostrictive body is stretched or shrunk by changes of passing magnetic fluxes or by the internal stress or external pushing or pulling force, such that the peripheral magnetic field surrounding the force bearing point is varied according to the stretching push or shrinking push, wherein its force bearing value or position is calculated by comparing the magnetic field distribution before and after the force bearing.

Abstract: In a range detection device, a movable member has a magnetized portion and can move with a manual valve of a control device. A supporting member includes a plate portion having a surface opposed to the magnetized portion and a recess formed in an opposite surface of the plate portion, and supports the movable member such that the movable member is capable of moving parallel with the plate portion. A substrate is placed in the recess and has a first hole that penetrates the substrate. A magnetic detection element is installed to a surface of the substrate at a side of the plate portion to correspond to a position of the first hole, and detects magnetism of the magnetized portion. A sealing member is filled in the recess and covers the substrate and the magnetic detection element.

Abstract: A method for measuring the pole position of a magnetic levitation vehicle on a magnetic levitation track. The pole orientation angle between the stator magnetic field of a track side stator and the magnetic reference axis of the magnetic levitation vehicle is determined by way of measured values from magnetic field sensors. The measured values for the stator magnetic field are measured using at least three magnetic field sensors, arranged along the vehicle longitudinal direction, a field strength value is determined for each measured value from the magnetic field sensors for each magnetic field sensor position and the pole orientation angle determined from at least a subset of the measured values from the magnetic field sensors when the determined field strength values meet given minimum requirements and, if not, an error signal is generated.

Abstract: The present invention is directed to a sensor with a body and a magnetic field sensor. The body includes a plurality of structures arranged in a first direction to effect a periodically varying magnetic field upon movement of the body in the first direction. The magnetic field sensor is configured to detect components of the magnetic field in a second direction and in a third direction, wherein the magnetic field sensor is arranged adjacent to the body such that the second direction is perpendicular to the first direction and such that the third direction is perpendicular to the first direction and to the second direction.

Abstract: A device (100) for detecting the position of a gearshift lever and/or selector lever (1) for a transmission has a signal-generating element (2.1; 2.2) that can be moved together with the gearshift lever and/or selector lever (1). The detection device (100) also has, as the measuring transducer, at least one sensor element (3, 4) that detects the signal from the signal-generating element (2.1; 2.2). A locking means (5) for the gearshift lever and/or selector lever (1) is associated with the signal-generating element (2.1; 2.2). The sensor element (3, 4) delivers, as the measured value, an analog signal (S1, S2) that is dependent on the plus-minus sign. A shifting device (200) for a transmission, especially for use in a motor vehicle, may include the device (100) for detecting the position of a gearshift lever and/or selector lever (1).

Abstract: A compact sensing device capable of sensing a rotational angle and a rotational velocity, or a rectilinear moving distance and a moving velocity. A displacement sensing device that senses a rotational angle of a moving member rotation and a distance of a linear movement of the moving member, or senses an angular velocity of the moving member rotation and a velocity of a linear movement of the moving member, includes: a first movable member, moved together with the moving member by a linear movement of the moving member; a second movable member holding the first movable member in a rotatable manner, and rotated together with the moving member by rotation of the moving member; a first sensor outputting a signal in accordance with a linear movement of the first movable member; and a second sensor outputting a signal in accordance with a rotation of the second movable member.

Abstract: This disclosure concerns a waveform corrector comprising a first portion calculating an offset value of an intermediate value between a maximum value and a minimum value of a signal with respect to a reference value; a second portion calculating an actual amplitude of the signal by subtracting the offset value from the maximum value or the minimum value; a third portion generating a first correction signal by subtracting the offset value from the digital signal; a fourth portion subtracting a value obtained by shifting a figure of the actual amplitude from the actual amplitude so that the actual amplitude converges into a reference amplitude; and a fifth portion subtracting a value obtained by shifting the first correction signal by an amount identical to a shift amount of the actual amplitude from the first correction signal so that the first correction signal converges into a second correction signal.

Abstract: An occupant detection system with noise reduction, a controller having noise reduction for an occupant detection system and a method for reducing noise in an occupant detection system. A high order digital filter is used to filter harmonics of a noise signal from an electrode signal used to determine an occupant presence or absence of the occupant. A way of sampling the electrode signal and the implementation of the high order digital filter cooperate such that the signal processing can be performed by a lower cost general purpose microprocessor as opposed to using a higher cost digital signal processor.

Abstract: A position indicator includes a tubular core member comprising a first magnetic core, a second magnetic core, a first coil, a second coil, a rod, a pen-pressure detecting element, a capacitor, and a switch. At least one of the first and second magnetic cores includes a recessed portion extending in the axial direction so as to form a through-hole when the first and second magnetic cores are combined, and the rod is inserted through the hole. The first coil is wound around the tubular core member, and the second coil is wound around the second magnetic core. The pen-pressure detecting element detects a pressure applied to an end of the rod (i.e., the pen tip). The capacitor is connected to the first coil to form a resonant circuit. The switch controls “on” and “off” states of the second coil to calculate a rotation angle of the position indicator.

Abstract: Distance measuring device comprising an emitter and a receiver, said emitter being arranged to produce a magnetic field by means of a resonant circuit having a resonant frequency, said receiver being arranged to pick up at said resonant frequency the magnetic field emitted by the emitter and convert the strength of the magnetic field picked up into a first signal having an energy value, said emitter being arranged to produce said magnetic field intermittently, each emission having a predetermined energy, said receiver being connected to a detector arranged to determine, by correlation of said first signal with a second predetermined signal having a waveform representative of a signal to be picked up by the receiver, a distance measurement signal representing the distance between the emitter and the receiver. The device finds its application in detectors for sleep disorders or other forms of illness.

Abstract: A resolver includes an excitation coil for receiving an excitation signal formed by amplitude modulation of a high-frequency signal and a detection coil for outputting a detection signal. The resolver is arranged to detect a change in position of a rotor provided with the excitation coil or the detection coil based on the detection signal varying with the change in position of the rotor. The high-frequency signal is a digitized signal generated from a reference clock.

Abstract: The invention relates to a sensor arrangement for detecting at least one of the movement and the position of two components of an assembly, which are located close to each other or are disposed one inside the other and can be moved relative to each other, said sensor arrangement comprising at least one first sensor for detecting at least one of the movement and the position of the one component and a second sensor for detecting at least one of the movement and the position of the other component, the sensors functioning according to different measuring principles without affecting each other mutually.

Abstract: In a method for determining a parameter set describing electric parameters of a route section of a magnetic suspension railway, the route section contains a stator section forming a drive section of the magnetic suspension railway and a route cable connecting the stator section to an associated converter device. In the method, the current and voltage values are measured at the electric connecting point between the route cable and the converter device. The parameters of the parameter set are determined using the measurement values, thus forming the parameter set. Accordingly, the current and voltage values are additionally measured at the electrical connecting point between the route cable and the stator section and the current values at the neutral point side of the stator section, if the stator section is electrically connected to the route cable. The additional measurement values are also considered when determining the parameters.

Abstract: An inductive proximity sensor and related method for sensing a presence/position of a target, with mounting effect compensation, are disclosed. In at least one embodiment, the method includes providing a proximity sensor having first and second coils that are both at least indirectly in communication with control circuitry. The method also includes receiving respective first and second signals at least indirectly indicative of respective first and second electromagnetic field components respectively experienced by the first coil as influenced both by a target and a structure supporting the sensor and the second coil as influenced by the supporting structure. The method further includes determining by way of the circuitry a third signal based at least in part upon the first signal, as modified based at least in part upon the second signal, whereby the third signal is indicative of the presence or position of the target relative to the sensor.

Abstract: A measuring arrangement where a magnet moves or is positioned because of the movement or position of an object, and this movement or positioning of the magnet is collected by a sensor, an in particular a non-magnetic dividing wall being provided between the magnet and the sensor. A mechanical converter, in particular a gear, being arranged between the object and the magnet.

Abstract: The invention relates to an inductive proximity sensor for embedding in a mild steel mounting plate, comprising an enclosure with a front wall of synthetic material forming a sensing face at a front end of the enclosure, an oscillator comprising a sensor coil with a core made of a material with a relative magnetic permeability larger than 1, typically a ferrite, which is arranged within the enclosure behind the front wall so that an open side of the core is directed towards the sensing face in order to direct the magnetic field of the coil towards a target in front of the sensing face, a hollow cylindrical metal member arranged perpendicular to the sensing face and surrounding the core, and a measuring circuit for measuring an attenuation of the oscillator due to eddy currents. The core is radially surrounded by a metal layer with a low electrical resistivity of less than 15 ??·cm and with a thickness of less than 40 ?m, in order to improve the embeddability of the sensor.

Abstract: Position/displacement measuring system, comprising a sensor head and an encoded scale body, the scale body extending in a first direction and in a second direction lying transversely to the first direction, and the scale body having a region for incremental position determination with an encoding in the first direction and a region for absolute position determination with an encoding in the second direction, the sensor head having a first sensor device with a sensor resolution parallel to the first direction, which is associated with the region for incremental position determination, and the sensor head having a second sensor device with a sensor resolution in a second direction, which is associated with the region for absolute position determination.

Abstract: A non-contact sensor system is provided that comprises a first sensor element disposed within a first member having an axis Y, and a second member configured to rotate about the axis Y at a value X. The second member is configured to interface with the first member. The non-contact sensor system further comprises a second sensor element disposed on the second member proximate the first sensor element without physically contacting the first sensor element, and 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, and other values.

Abstract: An induction detecting rotary encoder has first to third transmitting windings, first to third receiving windings, and first to third flux coupling winding. The first transmitting winding, the first receiving winding, and the first flux coupling body constitute a first angle detection track generating a cyclic change for N1 times per single rotation of the first rotor. The second transmitting winding, the second receiving winding, and the second flux coupling body constitute a second angle detection track generating a cyclic change for N2 times per single rotation of the first rotor. The third transmitting winding, the third receiving winding, and the third flux coupling body constitute a third angle detection track generating a cyclic change for N3 times per single rotation of the second rotor. N1, N2, and N3 are different from one another, and N3 is less than N1 and N2.

Abstract: To disclose a magnetic encoder being subjected to only small gap variation between a magnetic sensor element and a magnetic medium and readily assembled, and having a smaller number of components, high sliding resistance, and high stability against outside force, such as shock or the like. The magnetic sensor holding mechanism has a swirling spring plate structure having elasticity with respect to rotation around a rotation axis in a reciprocative slide relative movement direction, elasticity with respect to rotation around a rotation axis in a direction perpendicular to the reciprocative relative movement direction and in parallel to the magnetic medium, and elasticity in the direction perpendicular to the sensor element. A load between 50 mN and 80 mN is applied to press onto the magnetic medium.

Abstract: Provided are a pointing device and an electronic device including the pointing device. The pointing device includes: an actuating member configured to be moved by a user; a magnet part disposed at a lower side of the actuating member; a cover part configured to cover the actuating member while exposing a part of the actuating member; an intermediate member including a center part configured to support the magnet part, a plurality of pattern parts extending from the center part and having a curved shape, a plurality of fixing parts disposed at ends of the pattern parts and fixed to the cover part, and a plurality of fixing protrusion parts extending from the center part for fixing the magnet part and the center part to the actuating member; and a sensor unit configured to output an electric signal by detecting a movement of the magnet part.

Abstract: 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 (G1, G2) are affixed to the axle (OS) for being in position to transmit each the position of the axle to a rotary encoder (RE), the transmission ratios being chosen such that over the specified number of turns of the axle (OS) both transmissions (G1, G2) at the output differ in one turn, as well as to an evaluation circuit, and to an electric motor.