No-contact rotation angle detecting apparatus of the rotatable member
1995
(57) Abstract: sensor device (5) is formed by at least two sensor elements, relative to the rotatable member (2) sensor device (5), the magnetic field lines emanating from the rotatable member (2) (B) is in each rotational position, arranged so as to run transversely with respect to the sensor structure is given in advance by the direction of current (I) in the sensor element (6, 7). Direction component of the magnetic field lines by the evaluation device (B) are possible evaluated to determine the rotational position (rotational angle alpha), which is the phase position between the input signal of the respective sensor element and the output signal is evaluated It is realized by Rukoto. AC voltage or a DC voltage of a sine or cosine shaped is supplied as an input signal.
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