Patent ID: 11971738
Assignee: SEOYON E-HWA CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC G  B  H | IPC B  G  H

Claim 0:
1. A user interface device, comprising:
a rail extending in a first direction;
a hinge configured to slide along the rail in the first direction;
a knob coupled to the hinge to slide in the first direction and configured to detect a rotation input; and
a magnet holder disposed to face the hinge in a second direction of the hinge and extending in the first direction;
wherein the hinge is provided with a first magnet,
the magnet holder is provided with a second magnet and a third magnet facing the first magnet, a surface of the second and the third magnets facing the first magnet have magnetic poles opposite to a magnetic pole of a surface of the first magnet facing the second and the third magnets,
the first magnet reacts to a magnetic force of the second or third magnets so that the knob is held to a first position or a second position respectively, and
a strength of the magnetic force between the first magnet and the second or third magnets is adjustable,
wherein the first magnet is coupled to the hinge to be movable in the second direction.