Tactile transmission device and user interface system including the same

A tactile transmission device, comprising:

• a base unit forming one surface of the tactile transmission device;
• a tip-tilt elastic member stacked on the base unit and configured to transmit a tactile feel to a finger of a user in a first direction oriented upward from a bottom surface of the finger and a second direction intersecting the first direction at a predetermined angle;
• and
• a cover disposed at an upper side of the tip-tilt elastic member to form another surface of the tactile transmission device,
• wherein the tip-tilt elastic member includes:
• a load support unit provided at a center portion of the tip-tilt elastic member and configured to support a load of the finger;
• and
• a pressing unit provided at an edge portion of the tip-tilt elastic member and configured to press in the first direction,
• wherein a first wire-type actuator is installed at the pressing unit, and when being elastically deformed, the first wire-type actuator presses the pressing unit to elastically deform the tip-tilt elastic member so that the tactile feel is transmitted to the finger in the first and second directions.