Abstract: A sensor system having a current interface includes a supply and current interface, an electronic control unit and an enhanced initialization sensor. The supply and current interface is configured to receive a supply voltage. The electronic control unit is coupled to the supply and current interface. The enhanced initialization sensor is coupled to the supply and current interface. The enhanced initialization sensor is configured to initialize the supply and current interface at a suitable current level to mitigate erroneous information. measurement system.

Abstract: A sensing system and method for correcting an input waveform from a coded wheel. The coded wheel is configured to generate a signal that varies with rotation of the coded wheel relative to a sensor. The sensor is configured to sense the varying signal and output a corresponding input waveform. A correction module is configured to receive the input waveform and compare the input waveform to at least one stored waveform and to correct the input waveform if a defect is detected in the coded wheel in response to the comparison.

Abstract: An apparatus for providing an error signal for a control unit, the error signal indicating a malfunction of a sensor unit. The apparatus includes an input module configured to receive a sensor signal from the sensor unit, the sensor signal being a periodic signal between an upper level and a lower level of a physical quantity. Further, the apparatus includes a determination module configured to determine the malfunction of the sensor unit and an output module configured to provide the error signal indicating the malfunction for the control unit. The error signal comprises a predetermined level of the physical quantity which differs from the upper level and from the lower level.

Abstract: A sensor system having a current interface includes a supply and current interface, an electronic control unit and an enhanced initialization sensor. The supply and current interface is configured to receive a supply voltage. The electronic control unit is coupled to the supply and current interface. The enhanced initialization sensor is coupled to the supply and current interface. The enhanced initialization sensor is configured to initialize the supply and current interface at a suitable current level to mitigate erroneous information.

Abstract: A magnetic circuit may include a magnetic sensor. The magnetic sensor may determine an adjustment factor associated with calculating a variable switching threshold. The variable switching threshold may be a configurable switching threshold based on which the magnetic sensor provides outputs associated with a speed signal corresponding to a rotation of a tooth wheel. The magnetic sensor may provide an output, associated with the speed signal, based on the variable switching threshold.

Abstract: A sensor device includes a memory circuit and a transmission circuit. The transmission circuit sends a first data signal to an external receiver in a first state of a read-out-mode of the sensor device, if an oscillation period of the oscillating quantity is longer than a period threshold. Further, the transmission circuit sends a second data signal to the external receiver in a second state of the read-out-mode, if the oscillation period of the oscillating quantity is shorter than the period threshold. The second data signal contains information on at least one of a first local extremum sensor data value and a succeeding second local extremum sensor data value.

Abstract: A sensor subassembly having a memory unit for storing a sensor data value from the sensor subassembly and a transmission unit for sending a data signal with information about the stored sensor data value to an external receiver at a data rate that is dependent on a clock frequency of a clock signal produced by the sensor subassembly. The transmission unit sends the data signal with the information about the stored sensor data value on the basis of a piece of trigger information in an externally received control signal.

Abstract: At least one embodiment relates to magnetic field sensors being operable at different calibration modes, wherein the magnetic sensor is capable of switching between the different calibration modes during normal operation of the sensor. The switching may be possible in response to different motion types detected within the sensor. Such sensors may be used in vehicles such as cars, the sensors for example being part of the engine control system or the ABS. Another embodiment relates to a method of changing calibration modes during operation of sensors.

Abstract: A signal generator comprises a signal provider and a signal processing unit. The signal provider is configured to provide a sensor signal indicating a repeatedly detected event, occurring within differing time intervals. The signal processing unit is configured to generate a transmit signal based on the sensor signal. The transmit signal comprises event information representing the temporal occurrence of the event and additional information representing additional data. The event information comprises pulses associated to detected events, wherein the pulses are temporarily separated within the transmit signal according to the differing time intervals of detected events so that each time interval of the differing time intervals comprises one pulse associated to a detected event. Further, the additional data comprises at least one frame comprising a predefined number of additional data bits.

Abstract: A circuit for obtaining information on a physical quantity according to an embodiment includes a sensor arrangement sensitive to the physical quantity, at least one further sensor element sensitive to the physical quantity and a supply circuit configured to provide the sensor arrangement with a supply signal comprising a supply voltage controlled by the supply circuit in a closed-loop configuration. The supply circuit is further configured to provide the at least one further sensor element with a further supply signal comprising a further supply current such that a magnitude of the further supply current fulfills a predetermined relationship with a magnitude of a supply current of the supply signal. As a consequence, it may be possible to improve a trade-off between an improved compensation of variations, simplifying an implementation, simplifying the manufacturing, simplifying the sensing and providing stable sensing conditions.

Abstract: An apparatus for providing an error signal for a control unit, the error signal indicating a malfunction of a sensor unit. The apparatus includes an input module configured to receive a sensor signal from the sensor unit, the sensor signal being a periodic signal between an upper level and a lower level of a physical quantity. Further, the apparatus includes a determination module configured to determine the malfunction of the sensor unit and an output module configured to provide the error signal indicating the malfunction for the control unit. The error signal comprises a predetermined level of the physical quantity which differs from the upper level and from the lower level.

Abstract: A circuit for obtaining information on a physical quantity according to an embodiment includes a sensor arrangement sensitive to the physical quantity, at least one further sensor element sensitive to the physical quantity and a supply circuit configured to provide the sensor arrangement with a supply signal comprising a supply voltage controlled by the supply circuit in a closed-loop configuration. The supply circuit is further configured to provide the at least one further sensor element with a further supply signal comprising a further supply current such that a magnitude of the further supply current fulfills a predetermined relationship with a magnitude of a supply current of the supply signal. As a consequence, it may be possible to improve a trade-off between an improved compensation of variations, simplifying an implementation, simplifying the manufacturing, simplifying the sensing and providing stable sensing conditions.

Abstract: An apparatus for providing an error signal for a control unit, the error signal indicating a malfunction of a sensor unit. The apparatus includes an input module configured to receive a sensor signal from the sensor unit, the sensor signal being a periodic signal between an upper level and a lower level of a physical quantity. Further, the apparatus includes a determination module configured to determine the malfunction of the sensor unit and an output module configured to provide the error signal indicating the malfunction for the control unit. The error signal comprises a predetermined level of the physical quantity which differs from the upper level and from the lower level.

Abstract: An apparatus and corresponding method for outputting a protocol pulse based on a speed signal representing speed of an object. The apparatus includes a zero-crossing circuit, and a delay circuit. The zero-crossing circuit is configured to output the protocol pulse at a zero-crossing of the speed signal. The delay circuit is coupled to the output of the zero-crossing circuit and configured to delay the protocol pulse. A first edge of the protocol pulse is asynchronous with a clock, and a second edge of the protocol pulse is synchronous with the clock.

Abstract: An apparatus for providing an error signal for a control unit, the error signal indicating a malfunction of a sensor unit. The apparatus includes an input module configured to receive a sensor signal from the sensor unit, the sensor signal being a periodic signal between an upper level and a lower level of a physical quantity. Further, the apparatus includes a determination module configured to determine the malfunction of the sensor unit and an output module configured to provide the error signal indicating the malfunction for the control unit. The error signal comprises a predetermined level of the physical quantity which differs from the upper level and from the lower level.

Abstract: A sensor system having a current interface includes a supply and current interface, an electronic control unit and an enhanced initialization sensor. The supply and current interface is configured to receive a supply voltage. The electronic control unit is coupled to the supply and current interface. The enhanced initialization sensor is coupled to the supply and current interface. The enhanced initialization sensor is configured to initialize the supply and current interface at a suitable current level to mitigate erroneous information.

Abstract: A sensor subassembly having a memory unit for storing a sensor data value from the sensor subassembly and a transmission unit for sending a data signal with information about the stored sensor data value to an external receiver at a data rate that is dependent on a clock frequency of a clock signal produced by the sensor subassembly. The transmission unit sends the data signal with the information about the stored sensor data value on the basis of a piece of trigger information in an externally received control signal.

Abstract: At least one embodiment relates to magnetic field sensors being operable at different calibration modes, wherein the magnetic sensor is capable of switching between the different calibration modes during normal operation of the sensor. The switching may be possible in response to different motion types detected within the sensor. Such sensors may be used in vehicles such as cars, the sensors for example being part of the engine control system or the ABS. Another embodiment relates to a method of changing calibration modes during operation of sensors.

Abstract: A sensing system and method. A coded wheel is configured to generate a signal that varies with rotation of the coded wheel. A sensor is configured to sense the varying signal and output a corresponding signal. A correction module is configured to receive the signal output by the sensor and compare the received signal to a stored signal and detect a defect in the coded wheel in response to the comparison.

Abstract: A circuit for obtaining information on a physical quantity according to an embodiment includes a sensor arrangement sensitive to the physical quantity, at least one further sensor element sensitive to the physical quantity and a supply circuit configured to provide the sensor arrangement with a supply signal comprising a supply voltage controlled by the supply circuit in a closed-loop configuration. The supply circuit is further configured to provide the at least one further sensor element with a further supply signal comprising a further supply current such that a magnitude of the further supply current fulfills a predetermined relationship with a magnitude of a supply current of the supply signal. As a consequence, it may be possible to improve a trade-off between an improved compensation of variations, simplifying an implementation, simplifying the manufacturing, simplifying the sensing and providing stable sensing conditions.