Abstract: The present disclosure relates to an apparatus for controlling movement of an ultrasonic wave generating unit, the apparatus characterized by comprising: a transfer unit for moving the ultrasonic wave generating unit; and a control unit for controlling the operation of the ultrasonic wave generating unit and the transfer unit, wherein the control unit controls the ultrasonic wave generating unit such that, when the ultrasonic wave generating unit moves, ultrasonic waves are irradiated at intervals to the skin on a movement path of the ultrasonic wave generating unit.

Abstract: Disclosed is a dual-display presentation apparatus. The dual-display presentation apparatus comprises an auxiliary member having a first display unit on a side thereof, a main body having a second display unit on a side thereof and having a support member and a depression for receiving the support member on the other side thereof, and a connection member, which is a hinge unit, combining the auxiliary member and the main body, in which locations of the auxiliary member and the main body can be adjusted by swiveling and tilting the connection member. Using the dual-display presentation apparatus, work efficiency and deal-making efficiency can be enhanced.