Abstract: An automatic vending machine having holographic products comprises: a user interface unit; a display unit comprising one or multiple displays; an image display processing unit for processing to display, on the display unit, a thematic image including a plurality of image objects and one or more three-dimensional product image objects included within the thematic image; and a sale processing unit for processing the sale of an actual product corresponding to the three-dimensional product image object selected for purchase by means of the user interface, wherein the image display processing unit rotates the three-dimensional product image object in accordance with a user input from the user interface unit.

Abstract: Disclosed is a system for synchronizing 3D image multiple screens in real-time. The system comprises: an operation server for playing back 3D content; a plurality of displays displaying the whole, each display displaying just a part of the 3D content; a plurality of rendering clients each rendering just a part of the 3D content to output to a corresponding display; and a synchronization integration control server for controlling so that the plurality of rendering clients can render while synchronized.