| 摘要 |
PURPOSE: A hanging banner with a projector is provided to reduce the waste of a banner by eliminating the troublesome that a banner should be manufactured for each event. CONSTITUTION: A projector(10) transfigures a lens according to the proportion of a banner(20) and projects. The banner is arranged in an event hall and shows an image which is reflected from the projector. A set top box(30) is connected to the projector and controls the projector. |
