| 摘要 |
PROBLEM TO BE SOLVED: To provide a push button device capable of stabilizing the posture of a button when it is pushed.SOLUTION: A push button device (1, 10 or 20) comprises: a button part 4 movable along a predetermined direction; support parts (2 and 3) for supporting the button part 4; a plurality of first magnets (5-1 to 5-4) which are fixed to the support parts (2 and 3) so as to surround the center of the button part 4, and which has a first magnetic pole on the side facing the button part 4; a plurality of second magnets (5-5 to 5-8) which are arranged at a position further away from the center of the button part 4 by a predetermined distance than the respective first magnets are or at a position closer by the predetermined distance to the center of the button part 4 than the respective first magnets are, and each of which has a first magnetic pole on the side facing the first magnets; and sensors (6 and 8) for detecting that the button part 4 has been pressed by a predetermined amount. |
