| 摘要 |
PURPOSE: An advertising apparatus using a laser projector is provided to produce a beautiful advertizing effect as well as increase spatial utilization. CONSTITUTION: A first laser projector(100) constitutes a first rotary body(110) in a lower part and projects a laser beam(100a) to a front side . A second projector(200) constitutes a second rotary body(210) in the lower part and moves to left and right and top and bottom. The second projector projects a laser beam(200a) to the front side and interferes a laser beam, which is located to be corresponded to the first laser projector and projected, with the laser beam of the first laser projector. |
