摘要 |
PROBLEM TO BE SOLVED: To solve the following problem: it is difficult to magnetize a compact ring magnet in the circumferential direction thereof at the same intensity and an equal interval while there is a rotating operation member providing click feeling by a magnetic attraction force of a magnet.SOLUTION: A rotating operation unit includes: a first yoke having a plurality of first teeth formed in the circumferential direction thereof and rotating; a second yoke having a plurality of second teeth formed in the circumferential direction thereof and fixed such that the second teeth face the first teeth of the first yoke; a magnet arranged between the first yoke and the second yoke, wherein a magnet surface facing the first yoke and a magnet surface facing the second yoke are magnetized to a magnetic pole different with each other; a first magnetic sensor detecting a change of a magnetic flux generated by the rotation of the first yoke; and a second magnetic sensor detecting the change of the magnetic flux generated by the rotation of the first yoke, in a phase different from that of the first magnetic sensor. |