Patent application number | Description | Published |
20090013773 | Transmission System For Tire State Quantities - A transmission device for motor vehicles for transmitting signals about tire condition variables from a wheel to an electronic evaluating or control unit arranged in the area of the vehicle body, wherein the tire condition variables can be detected especially by one or a plurality of sensor subassemblies ( | 01-15-2009 |
20100301845 | ABSOLUTE MEASUREMENT STEERING ANGLE SENSOR ARRANGEMENT - An angle sensor arrangement for measuring the rotational angle of a shaft comprising a first gearwheel and a first magnetic encoder with at least one encoder track. The first gearwheel and the first magnetic encoder rotate with shaft. The angle sensor arrangement also comprises a second gearwheel and a second magnetic encoder with at least one encoder track. The second encoder rotates with the second gearwheel, and the first and second gearwheels interact. At least one magnetic field sensor element is assigned to the first encoder and to the second encoder, respectively and the first and second gearwheels are embodied in terms of their common transmission ratio and the first and second magnetic encoders are embodied in terms of their pole numbers. | 12-02-2010 |
20110304324 | MAGNETIC ENCODER - A magnetic encoder having at least one encoder track including one or more pole pairs, wherein the magnetization directions of subregions within at least one of the poles are embodied so as to change substantially continuously and/or monotonically along the encoder track. | 12-15-2011 |
20130069634 | SPEED SENSOR COMPRISING A COSTAS LOOP - A speed sensor including at least one sensor element and an analog-to-digital converter that digitizes the output signals of the at least one sensor element, and a Costas loop unit that is connected to the output of the analog-to-digital converter. | 03-21-2013 |
20130073250 | SENSOR ARRANGEMENT FOR SPEED MEASUREMENT - A sensor array including an electronic control unit and a speed sensor that has at least one sensor element. The speed sensor and the electronic control unit are interconnected by at least one line. The speed sensor includes a signal processing circuit which is designed in such a way as to obtain at least one digital frequency signal from the output signal of the sensor element, the at least one digital frequency signal being encoded in a data item, being stored in at least one first memory unit, and being transmitted to the electronic control unit. | 03-21-2013 |
20140116132 | DEVICE FOR MEASURING ANGLE AND ANGULAR VELOCITY OF DISTANCE AND SPEED - A device for measuring angle and angular velocity or distance and speed of a moving part is described. The device has a sensor which is or can be arranged in a stationary manner and an encoder which is or can be arranged on the moving part and, together with the sensor, generates a modulation signal to be demodulated by the sensor. For the frequency measurement which is needed to measure the angular velocity/speed, the encoder has a structure which reproduces a periodic pattern and is interrupted by at least one index area for the angle/distance measurement. In the index area, the encoder has a substitute pattern which differs from the periodic pattern by at least one physical variable which can be detected by the sensor but has a structure which also enables the frequency measurement in the index area. | 05-01-2014 |
20140150551 | DEVICE FOR MEASURING THE ANGULAR VELOCITY OR VELOCITY OF A MOVING PART AND FOR DETECTING THE DIRECTION OF MOTION OF THE MOVING PART - Motion detection device consisting of a single encoder and a single stationary sensor element, the encoder, which is arranged on a movable part, representing an asymmetrical pattern. The angular velocity or velocity and the direction of motion of a moving part are determined from the sensor signal by measuring the edge steepness or the rise time or fall time, spectrally analyzing the frequency and the phase relation of a harmonic to the phase of the fundamental mode, or evaluating the asymmetries of a sequence of rectangular pulses. | 06-05-2014 |
20140292315 | COMBINED STEERING TORQUE-STEERING ANGLE SENSOR - A steering torque-steering angle sensor comprising a steering torque sensor module and a steering angle sensor module, wherein the steering torque sensor module operates with a magnetic effective principle and has in this respect a first magnetic encoder and at least one first magnetic field sensor element, wherein the steering angle sensor module has at least a second magnetic field sensor element and a third magnetic field sensor element, wherein the second magnetic field sensor element directly or indirectly senses the magnetic field of the first magnetic encoder, that is to say of the magnetic encoder of the steering torque sensor module, and wherein the third magnetic field sensor element senses the magnetic field of an additional, second magnetic encoder. | 10-02-2014 |
20140334477 | METHOD AND DEVICE FOR SYNCHRONIZING NETWORK SUBSCRIBERS IN AN ON-BOARD NETWORK OF A VEHICLE - A method is disclosed for synchronizing network subscribers in an on-board network of a vehicle, the method comprising: receiving a message dependent on a first clock present in a first network subscriber by at least one second network subscriber if a predetermined condition has been satisfied, and synchronizing a second clock in the second network subscriber on the basis of the message dependent on the first timer if the predetermined condition has been satisfied. | 11-13-2014 |