An alignment device may obtain a set of analog-to-digital converter (ADC) signals provided by an angle sensor operating in a homogeneous test mode. The set of ADC signals may be associated with a rotation of a target magnet relative to the angle sensor. The alignment device may identify a maximum ADC signal value based on the set of ADC signals. The alignment device may selectively position, by the alignment device, at least one of the angle sensor or the target magnet based on the maximum ADC signal value.

The present disclosure relates to chopper amplifier circuits with inherent chopper ripple suppression. Example implementations can realize a doubly utilized chopper amplifier circuit that is a current-saving circuit with a wake-up function that is capable of providing a self-wake signal in order to change into a fast, low-jitter/low-latency mode, and to provide a wake-up signal for a sleeping microprocessor or a system in response to signal changes.

The invention relates to a manual throttle twist grip having a sensor arrangement, mounted in a housing (2), for detecting the rotary motion of a tubular twist grip (1), having a magnet (6) which is operatively connected to the twist grip (1), having a sensor (11) fixed to the housing and designed to detect the motion of the magnet (6), wherein the sensor (11) is connected to a cable harness (10), and having a return spring, the spring force of which is directed against the manually generated rotary motion, wherein the magnet (6) is fixed to a support element (5) and the support element (5) is arranged at a distance from the twist grip (1), wherein a housing part (7) is associated with the magnet (6) and the support element (5) and wherein said housing part (7) is also used for receiving the sensor (11), a circuit board (9) and the end of the cable harness (10).

This lens drive device is provided with: a first movable part; a second movable part; a first drive part; and a second drive part. The first drive part and the second drive part respectively have a first ultrasonic motor and a second ultrasonic motor. The first ultrasonic motor and the second ultrasonic motor are arranged on sides opposite to each other with respect an optical axis, and independently drive the first movable part and the second movable part in the optical axis direction.

To reduce the influence of an unintended magnetic flux of a permanent magnet on detection accuracy. An absolute encoder (2) includes a magnet provided at a tip end side of any one of a first worm gear portion (11) and a second worm gear portion (22), and an angle sensor configured to detect a rotation angle of the magnet in response to a change in magnetic flux generated from the magnet. In the magnet, a first magnetic pole portion of a first polarity and a second magnetic pole portion of a second polarity different from the first polarity are formed adjacent to each other as viewed from an axial end surface of the magnet. The first magnetic pole portion and the second magnetic pole portion are formed adjacent to each other in a radial direction with a radial center of the magnet as a boundary, and the first magnetic pole portion and the second magnetic pole portion are formed adjacent to each other in an axial direction with an axial center as a boundary. The absolute encoder (2) is provided with a magnetic interference reduction member formed of a magnetic material on a radially outer peripheral surface of the magnet.

A vehicle chassis sensor assembly for measuring the ride height of a vehicle which comprises a rotary arm member including an overmolded magnet encapsulated in the rotary arm member. In one embodiment, the overmolded magnet includes a layer of overmold material defining an open overmold window in the side and/or top exterior surfaces of the layer of overmold material. Another embodiment includes a pair of spaced magnets that are completely encapsulated in a two step molding process before being molded into a rotary arm member.

A timely component movement measuring system for a vehicle is disclosed. The system includes a component of a vehicle, the component having a range of motion. The system also includes a sensor to measure a movement of the component through some or all of the range of motion of the component.

A sensor arrangement includes a ring magnet linearly displaceable along its vertical axis of the ring magnet and including an outer ring section of a first pole pair, an inner ring section of a second pole pair. At least one magnetic sensor circuitry is positioned a non-centered offset distance apart from the ring magnet in a plane perpendicular to the ring magnet's vertical axis. The at least one magnetic sensor can generate spatial magnetic data produced by linear displacement of the ring magnet. A computing unit coupled to the at least one magnetic sensor circuitry and configured to obtain the spatial magnetic data and to determine amount of displacement of the ring magnet after a linear displacement of the ring magnet based on the obtained spatial magnetic data.

The invention relates to an apparatus, in particular of a joystick, for detecting a tilt angle of a pivot lever (2, 2′), having a pivot lever (2, 2′) which can be tilted about a fulcrum (S) relative to a predefined axis (Z), having a magnetic device which is arranged on the pivot lever (2, 2′) and can be moved with the latter, and a sensor device (5) which is at a distance from the pivot lever (2, 2′) and is designed to detect a magnetic field, and having an evaluation device for determining the tilt angle on the basis of the detected magnetic field, wherein the magnetic device has at least one cylindrical permanent magnet (3, 3′) with uniaxial magnetization (4). The apparatus according to the invention is characterized in that the pivot lever (2, 2′) is held, with respect to its axis (Z), so that it can be translationally deflected in the direction of the sensor device (5), and the permanent magnet (3, 3′), on its end facing the sensor device (5), tapers radially cylindrically along the extent of a predefined axial end section. The invention also relates to a permanent magnet (3, 3′) for such an apparatus.

A system for monitoring the axial position of a rotating shaft includes a phonic wheel mounted coaxially to the shaft for rotation with a circumferential row of teeth. The system includes a sensor configured to detect the passage of the teeth by generating an alternating measurement signal. First and second portions of the teeth alternate around the row and contribute respective first and second components to the alternating measurement signal. The first portion of teeth vary in height in an axial direction of the wheel such that the relative height of the first and second portions varies with axial distance across the phonic wheel, and the sensor is positioned relative to the phonic wheel such that axial displacement of the shaft causes the signal to vary the first component's amplitude relative to the second component's amplitude due to the height variation, to monitor the axial position of the shaft.