Abstract: A magnetic field sensor includes a sensor and a processing circuit. The sensor is designed to generate on the basis of a varying magnetic field an oscillation signal that fluctuates around a mean value. The processing circuit is designed to generate an output signal on the basis of the oscillation signal. The processing circuit is designed, in a high-resolution mode different than a low-resolution mode, in each case to generate a mean value crossing pulse in the output signal when the oscillation signal attains the mean value, and to generate in each case a limit value crossing pulse in the output signal when the oscillation signal attains at least one limit value different than the mean value. A pulse width of at least either the mean value crossing pulse or the limit value crossing pulse is set to indicate that the magnetic field sensor is operating in the high-resolution mode.

Abstract: Apparatuses and methods for sending and receiving rotation speed information and corresponding computer programs and electronically readable data carriers are provided. A current interface is configured to transmit pulse sequences coding a number of bits. In a first bit group of the number of bits, it is flagged whether the pulse sequence has been sent for a zero crossing in a magnetic field. Information modulated onto a second bit group of the number of bits is selected on the basis of the first bit group.

Abstract: Some examples described herein may include receiving, by a sensor device, differential measurement signals from at least two sensor elements; generating, by the sensor device, fixed-calibrated channels from the differential measurement signals, generating, by the sensor device, self-calibrated channels from the differential measurement signals; determining, by the sensor device, offsets associated with the differential measurement signals based on the self-calibrated channels; determining, by the sensor device, whether a vibration occurred within the differential measurement signals based on the fixed-calibrated channels; and providing, by the sensor device, phase measurement information based on the offsets and whether the vibration occurred, wherein the phase measurement information identifies a phase of the rotatable object.

Abstract: Some examples described herein may include receiving, by a sensor device, differential measurement signals from at least two sensor elements; generating, by the sensor device, fixed-calibrated channels from the differential measurement signals, generating, by the sensor device, self-calibrated channels from the differential measurement signals; determining, by the sensor device, offsets associated with the differential measurement signals based on the self-calibrated channels; determining, by the sensor device, whether a vibration occurred within the differential measurement signals based on the fixed-calibrated channels; and providing, by the sensor device, phase measurement information based on the offsets and whether the vibration occurred, wherein the phase measurement information identifies a phase of the rotatable object.

Abstract: A modulable sports wheelchair includes a supporting frame, a front wheel, a pair of rear wheels and a sitting cage. The supporting frame is divided into a front half-frame connecting a support for the front wheel with a frame structure carrying the rear wheels. The frame structure has at least two longitudinal sides oriented in the movement direction of the wheelchair and two transverse sides spaced and oriented in the other direction so as to form the cage, which takes the shape of a compartment free from internal structural elements and is adapted to receive an athlete with an optimal position for propelling the wheelchair depending on the level and type of disability of the athlete.