Patent ID: 11881364
Assignee: SEOYON E-HWA CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  G | IPC B  H

Claim 0:
1. A user interface device, comprising:
a hinge configured to slide in a first direction along a rail extending in the first direction; and
a knob coupled to the hinge to slide in the first direction and configured to detect a rotation input;
wherein the knob comprises:
a knob base coupled to the hinge,
a bearing including a first member coupled to the knob base and a second member rotatable about a rotation axis with respect to the first member, and
a knob body coupled to the second member and configured to rotate with respect to the knob base;
wherein the knob body is detachably coupled to the second member,
wherein the knob body is provided with a plurality of second magnets having a first predetermined radius based on a center of rotation and arranged at equal intervals along a circumferential direction, and the knob base is provided with a plurality of third magnets having a second predetermined radius based on a renter of rotation and arranged at equal intervals along a circumferential direction, the number of third magnets equaling to the number of the second magnets.