| 摘要 |
PURPOSE:To adjust the position signal which detects the relative displacement quantities between magnetizing bodies and detecting heads highly accurately and simply even after the detecting heads are fixed, by synthesizing the outputs detected by two detecting bodies by a synthesizing means whose synthesizing ratio can be varied. CONSTITUTION:The relative displacement quantities between the magnetizing bodies 1 and 1' and the heads 2 and 2' can be precisely detected through the magnetizing bodies 1 and 1', the detecting heads 2 and 2' which face said bodies, respectively, detector circuits 3 and 3', and the like. In this case, even though a distance between the heads 2 and 2' is L+l with respect to a distance L between the magnetizing bodies 1 and 1', and the head 2' is separated by l and fixed, the synthesizing ratio is varied by varying the ratio of resistors R1 and R2 which form a synthesizing position signal. Therefore, even after the detecting heads are fixed, the position signal which detects the relative displacement quantities between the magnetic bodies and the detecting heads can be adjusted highly accurately and simply so that the position of the detecting heads are not substantially deviated. |
