Method for transmitting rotational speed information and additional data and circuit device
1997
(57) in the form of Abstract: switching signal (ES), and the data supplied by the rotational speed sensor, and the additional data (ZD), for transmission via one signal line (3), set column of the current pulse (P) of time is derived from the switching signal. Interval or pulse separation of the pulses includes a rotation speed information. Add a pulse separation data (ZD) is transmitted. In this case, additional data by the individual rotation signal sensor pulse (P); transmission (ZD Bt0~Bt7) are synchronized. This method is particularly used for active sensor (1). In this case, the sensor pulse (P) and the additional data (ZD) is transmitted in the form of a current signal (Bt0~Bt7). In stop state, when the sensor pulse (P) does not occur, the transmission of additional data is started by the auxiliary synchronization pulse (Sy2).
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