| 摘要 |
PURPOSE: An information input unit is provided to prevent the movement of a rotary cover using an attractive force or repulsive force between a magnet and a plate. CONSTITUTION: A switch element and a hall element are arranged on a substrate(110). A holder(130) is fixed to the substrate. A rotary cover(140) is rotatably arranged on the holder and drives a switching element. A support frame is combined with the inner circumference of the rotary cover. Outer circumference of the support frame is combined with the outer circumference of the holder. A support unit fixes the rotary cover and the support frame. A magnet(170) is arranged on one side of the support unit to face the holder. A plate(180) is fixed to the holder to face the magnet and has magnetism.
|
